1d2709c7cSDavid Howells #include <linux/hw_breakpoint.h> 28dd2a131SJiri Olsa #include <linux/err.h> 386470930SIngo Molnar #include "util.h" 46b58e7f1SUlrich Drepper #include "../perf.h" 5361c99a6SArnaldo Carvalho de Melo #include "evlist.h" 669aad6f1SArnaldo Carvalho de Melo #include "evsel.h" 74b6ab94eSJosh Poimboeuf #include <subcmd/parse-options.h> 886470930SIngo Molnar #include "parse-events.h" 94b6ab94eSJosh Poimboeuf #include <subcmd/exec-cmd.h> 1042f60c2dSKan Liang #include "string.h" 115aab621bSArnaldo Carvalho de Melo #include "symbol.h" 125beeded1SJason Baron #include "cache.h" 138755a8f2SArjan van de Ven #include "header.h" 1484c86ca1SWang Nan #include "bpf-loader.h" 156e81c74cSMasami Hiramatsu #include "debug.h" 16592d5a6bSJiri Olsa #include <api/fs/tracing_path.h> 17ac20de6fSZheng Yan #include "parse-events-bison.h" 1890e2b22dSJiri Olsa #define YY_EXTRA_TYPE int 1989812fc8SJiri Olsa #include "parse-events-flex.h" 205f537a26SJiri Olsa #include "pmu.h" 21b41f1cecSNamhyung Kim #include "thread_map.h" 22f30a79b0SJiri Olsa #include "cpumap.h" 2340218daeSMasami Hiramatsu #include "probe-file.h" 24b39b8393SJiri Olsa #include "asm/bug.h" 2589812fc8SJiri Olsa 2689812fc8SJiri Olsa #define MAX_NAME_LEN 100 2786470930SIngo Molnar 2882ba1f2fSJiri Olsa #ifdef PARSER_DEBUG 2982ba1f2fSJiri Olsa extern int parse_events_debug; 3082ba1f2fSJiri Olsa #endif 31ac20de6fSZheng Yan int parse_events_parse(void *data, void *scanner); 32e637d177SHe Kuang static int get_config_terms(struct list_head *head_config, 33e637d177SHe Kuang struct list_head *head_terms __maybe_unused); 34bcd3279fSFrederic Weisbecker 35dcb4e102SKan Liang static struct perf_pmu_event_symbol *perf_pmu_events_list; 36dcb4e102SKan Liang /* 37dcb4e102SKan Liang * The variable indicates the number of supported pmu event symbols. 38dcb4e102SKan Liang * 0 means not initialized and ready to init 39dcb4e102SKan Liang * -1 means failed to init, don't try anymore 40dcb4e102SKan Liang * >0 is the number of supported pmu event symbols 41dcb4e102SKan Liang */ 42dcb4e102SKan Liang static int perf_pmu_events_list_num; 43dcb4e102SKan Liang 44705750f2SYunlong Song struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { 451dc12760SJiri Olsa [PERF_COUNT_HW_CPU_CYCLES] = { 461dc12760SJiri Olsa .symbol = "cpu-cycles", 471dc12760SJiri Olsa .alias = "cycles", 481dc12760SJiri Olsa }, 491dc12760SJiri Olsa [PERF_COUNT_HW_INSTRUCTIONS] = { 501dc12760SJiri Olsa .symbol = "instructions", 511dc12760SJiri Olsa .alias = "", 521dc12760SJiri Olsa }, 531dc12760SJiri Olsa [PERF_COUNT_HW_CACHE_REFERENCES] = { 541dc12760SJiri Olsa .symbol = "cache-references", 551dc12760SJiri Olsa .alias = "", 561dc12760SJiri Olsa }, 571dc12760SJiri Olsa [PERF_COUNT_HW_CACHE_MISSES] = { 581dc12760SJiri Olsa .symbol = "cache-misses", 591dc12760SJiri Olsa .alias = "", 601dc12760SJiri Olsa }, 611dc12760SJiri Olsa [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 621dc12760SJiri Olsa .symbol = "branch-instructions", 631dc12760SJiri Olsa .alias = "branches", 641dc12760SJiri Olsa }, 651dc12760SJiri Olsa [PERF_COUNT_HW_BRANCH_MISSES] = { 661dc12760SJiri Olsa .symbol = "branch-misses", 671dc12760SJiri Olsa .alias = "", 681dc12760SJiri Olsa }, 691dc12760SJiri Olsa [PERF_COUNT_HW_BUS_CYCLES] = { 701dc12760SJiri Olsa .symbol = "bus-cycles", 711dc12760SJiri Olsa .alias = "", 721dc12760SJiri Olsa }, 731dc12760SJiri Olsa [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { 741dc12760SJiri Olsa .symbol = "stalled-cycles-frontend", 751dc12760SJiri Olsa .alias = "idle-cycles-frontend", 761dc12760SJiri Olsa }, 771dc12760SJiri Olsa [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { 781dc12760SJiri Olsa .symbol = "stalled-cycles-backend", 791dc12760SJiri Olsa .alias = "idle-cycles-backend", 801dc12760SJiri Olsa }, 811dc12760SJiri Olsa [PERF_COUNT_HW_REF_CPU_CYCLES] = { 821dc12760SJiri Olsa .symbol = "ref-cycles", 831dc12760SJiri Olsa .alias = "", 841dc12760SJiri Olsa }, 851dc12760SJiri Olsa }; 8686470930SIngo Molnar 87705750f2SYunlong Song struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { 881dc12760SJiri Olsa [PERF_COUNT_SW_CPU_CLOCK] = { 891dc12760SJiri Olsa .symbol = "cpu-clock", 901dc12760SJiri Olsa .alias = "", 911dc12760SJiri Olsa }, 921dc12760SJiri Olsa [PERF_COUNT_SW_TASK_CLOCK] = { 931dc12760SJiri Olsa .symbol = "task-clock", 941dc12760SJiri Olsa .alias = "", 951dc12760SJiri Olsa }, 961dc12760SJiri Olsa [PERF_COUNT_SW_PAGE_FAULTS] = { 971dc12760SJiri Olsa .symbol = "page-faults", 981dc12760SJiri Olsa .alias = "faults", 991dc12760SJiri Olsa }, 1001dc12760SJiri Olsa [PERF_COUNT_SW_CONTEXT_SWITCHES] = { 1011dc12760SJiri Olsa .symbol = "context-switches", 1021dc12760SJiri Olsa .alias = "cs", 1031dc12760SJiri Olsa }, 1041dc12760SJiri Olsa [PERF_COUNT_SW_CPU_MIGRATIONS] = { 1051dc12760SJiri Olsa .symbol = "cpu-migrations", 1061dc12760SJiri Olsa .alias = "migrations", 1071dc12760SJiri Olsa }, 1081dc12760SJiri Olsa [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { 1091dc12760SJiri Olsa .symbol = "minor-faults", 1101dc12760SJiri Olsa .alias = "", 1111dc12760SJiri Olsa }, 1121dc12760SJiri Olsa [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { 1131dc12760SJiri Olsa .symbol = "major-faults", 1141dc12760SJiri Olsa .alias = "", 1151dc12760SJiri Olsa }, 1161dc12760SJiri Olsa [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { 1171dc12760SJiri Olsa .symbol = "alignment-faults", 1181dc12760SJiri Olsa .alias = "", 1191dc12760SJiri Olsa }, 1201dc12760SJiri Olsa [PERF_COUNT_SW_EMULATION_FAULTS] = { 1211dc12760SJiri Olsa .symbol = "emulation-faults", 1221dc12760SJiri Olsa .alias = "", 1231dc12760SJiri Olsa }, 124d22d1a2aSAdrian Hunter [PERF_COUNT_SW_DUMMY] = { 125d22d1a2aSAdrian Hunter .symbol = "dummy", 126d22d1a2aSAdrian Hunter .alias = "", 127d22d1a2aSAdrian Hunter }, 128bae9cc41SArnaldo Carvalho de Melo [PERF_COUNT_SW_BPF_OUTPUT] = { 129bae9cc41SArnaldo Carvalho de Melo .symbol = "bpf-output", 130bae9cc41SArnaldo Carvalho de Melo .alias = "", 131bae9cc41SArnaldo Carvalho de Melo }, 13286470930SIngo Molnar }; 13386470930SIngo Molnar 134cdd6c482SIngo Molnar #define __PERF_EVENT_FIELD(config, name) \ 135cdd6c482SIngo Molnar ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) 13686470930SIngo Molnar 137cdd6c482SIngo Molnar #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) 138cdd6c482SIngo Molnar #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) 139cdd6c482SIngo Molnar #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) 140cdd6c482SIngo Molnar #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) 14186470930SIngo Molnar 14222a9f41bSArnaldo Carvalho de Melo #define for_each_subsystem(sys_dir, sys_dirent) \ 14322a9f41bSArnaldo Carvalho de Melo while ((sys_dirent = readdir(sys_dir)) != NULL) \ 14422a9f41bSArnaldo Carvalho de Melo if (sys_dirent->d_type == DT_DIR && \ 14522a9f41bSArnaldo Carvalho de Melo (strcmp(sys_dirent->d_name, ".")) && \ 14622a9f41bSArnaldo Carvalho de Melo (strcmp(sys_dirent->d_name, ".."))) 147f6bdafefSJason Baron 148ae07b63fSPeter Zijlstra static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) 149ae07b63fSPeter Zijlstra { 150ae07b63fSPeter Zijlstra char evt_path[MAXPATHLEN]; 151ae07b63fSPeter Zijlstra int fd; 152ae07b63fSPeter Zijlstra 153ebf294bfSArnaldo Carvalho de Melo snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, 154ae07b63fSPeter Zijlstra sys_dir->d_name, evt_dir->d_name); 155ae07b63fSPeter Zijlstra fd = open(evt_path, O_RDONLY); 156ae07b63fSPeter Zijlstra if (fd < 0) 157ae07b63fSPeter Zijlstra return -EINVAL; 158ae07b63fSPeter Zijlstra close(fd); 159ae07b63fSPeter Zijlstra 160ae07b63fSPeter Zijlstra return 0; 161ae07b63fSPeter Zijlstra } 162ae07b63fSPeter Zijlstra 16322a9f41bSArnaldo Carvalho de Melo #define for_each_event(sys_dirent, evt_dir, evt_dirent) \ 16422a9f41bSArnaldo Carvalho de Melo while ((evt_dirent = readdir(evt_dir)) != NULL) \ 16522a9f41bSArnaldo Carvalho de Melo if (evt_dirent->d_type == DT_DIR && \ 16622a9f41bSArnaldo Carvalho de Melo (strcmp(evt_dirent->d_name, ".")) && \ 16722a9f41bSArnaldo Carvalho de Melo (strcmp(evt_dirent->d_name, "..")) && \ 16822a9f41bSArnaldo Carvalho de Melo (!tp_event_has_id(sys_dirent, evt_dirent))) 169f6bdafefSJason Baron 170270bbbe8SLi Zefan #define MAX_EVENT_LENGTH 512 171f6bdafefSJason Baron 172f6bdafefSJason Baron 1731ef2ed10SFrederic Weisbecker struct tracepoint_path *tracepoint_id_to_path(u64 config) 174f6bdafefSJason Baron { 1751ef2ed10SFrederic Weisbecker struct tracepoint_path *path = NULL; 176f6bdafefSJason Baron DIR *sys_dir, *evt_dir; 17722a9f41bSArnaldo Carvalho de Melo struct dirent *sys_dirent, *evt_dirent; 1788aa8a7c8SStephane Eranian char id_buf[24]; 179725b1368SEric Dumazet int fd; 180f6bdafefSJason Baron u64 id; 181f6bdafefSJason Baron char evt_path[MAXPATHLEN]; 182725b1368SEric Dumazet char dir_path[MAXPATHLEN]; 183f6bdafefSJason Baron 184ebf294bfSArnaldo Carvalho de Melo sys_dir = opendir(tracing_events_path); 185f6bdafefSJason Baron if (!sys_dir) 186725b1368SEric Dumazet return NULL; 187f6bdafefSJason Baron 18822a9f41bSArnaldo Carvalho de Melo for_each_subsystem(sys_dir, sys_dirent) { 189725b1368SEric Dumazet 190ebf294bfSArnaldo Carvalho de Melo snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, 19122a9f41bSArnaldo Carvalho de Melo sys_dirent->d_name); 192725b1368SEric Dumazet evt_dir = opendir(dir_path); 193725b1368SEric Dumazet if (!evt_dir) 1946b58e7f1SUlrich Drepper continue; 195725b1368SEric Dumazet 19622a9f41bSArnaldo Carvalho de Melo for_each_event(sys_dirent, evt_dir, evt_dirent) { 197725b1368SEric Dumazet 198725b1368SEric Dumazet snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, 19922a9f41bSArnaldo Carvalho de Melo evt_dirent->d_name); 200725b1368SEric Dumazet fd = open(evt_path, O_RDONLY); 201f6bdafefSJason Baron if (fd < 0) 202f6bdafefSJason Baron continue; 203f6bdafefSJason Baron if (read(fd, id_buf, sizeof(id_buf)) < 0) { 204f6bdafefSJason Baron close(fd); 205f6bdafefSJason Baron continue; 206f6bdafefSJason Baron } 207f6bdafefSJason Baron close(fd); 208f6bdafefSJason Baron id = atoll(id_buf); 209f6bdafefSJason Baron if (id == config) { 210f6bdafefSJason Baron closedir(evt_dir); 211f6bdafefSJason Baron closedir(sys_dir); 21259b4caebSJulia Lawall path = zalloc(sizeof(*path)); 2131ef2ed10SFrederic Weisbecker path->system = malloc(MAX_EVENT_LENGTH); 2141ef2ed10SFrederic Weisbecker if (!path->system) { 2151ef2ed10SFrederic Weisbecker free(path); 2161ef2ed10SFrederic Weisbecker return NULL; 2171ef2ed10SFrederic Weisbecker } 2181ef2ed10SFrederic Weisbecker path->name = malloc(MAX_EVENT_LENGTH); 2191ef2ed10SFrederic Weisbecker if (!path->name) { 22074cf249dSArnaldo Carvalho de Melo zfree(&path->system); 2211ef2ed10SFrederic Weisbecker free(path); 2221ef2ed10SFrederic Weisbecker return NULL; 2231ef2ed10SFrederic Weisbecker } 22422a9f41bSArnaldo Carvalho de Melo strncpy(path->system, sys_dirent->d_name, 2251ef2ed10SFrederic Weisbecker MAX_EVENT_LENGTH); 22622a9f41bSArnaldo Carvalho de Melo strncpy(path->name, evt_dirent->d_name, 2271ef2ed10SFrederic Weisbecker MAX_EVENT_LENGTH); 2281ef2ed10SFrederic Weisbecker return path; 229f6bdafefSJason Baron } 230f6bdafefSJason Baron } 231f6bdafefSJason Baron closedir(evt_dir); 232f6bdafefSJason Baron } 233f6bdafefSJason Baron 234f6bdafefSJason Baron closedir(sys_dir); 2351ef2ed10SFrederic Weisbecker return NULL; 2361ef2ed10SFrederic Weisbecker } 2371ef2ed10SFrederic Weisbecker 238e7c93f09SNamhyung Kim struct tracepoint_path *tracepoint_name_to_path(const char *name) 239e7c93f09SNamhyung Kim { 240e7c93f09SNamhyung Kim struct tracepoint_path *path = zalloc(sizeof(*path)); 241e7c93f09SNamhyung Kim char *str = strchr(name, ':'); 242e7c93f09SNamhyung Kim 243e7c93f09SNamhyung Kim if (path == NULL || str == NULL) { 244e7c93f09SNamhyung Kim free(path); 245e7c93f09SNamhyung Kim return NULL; 246e7c93f09SNamhyung Kim } 247e7c93f09SNamhyung Kim 248e7c93f09SNamhyung Kim path->system = strndup(name, str - name); 249e7c93f09SNamhyung Kim path->name = strdup(str+1); 250e7c93f09SNamhyung Kim 251e7c93f09SNamhyung Kim if (path->system == NULL || path->name == NULL) { 25274cf249dSArnaldo Carvalho de Melo zfree(&path->system); 25374cf249dSArnaldo Carvalho de Melo zfree(&path->name); 254e7c93f09SNamhyung Kim free(path); 255e7c93f09SNamhyung Kim path = NULL; 256e7c93f09SNamhyung Kim } 257e7c93f09SNamhyung Kim 258e7c93f09SNamhyung Kim return path; 259e7c93f09SNamhyung Kim } 260e7c93f09SNamhyung Kim 2611424dc96SDavid Ahern const char *event_type(int type) 2621424dc96SDavid Ahern { 2631424dc96SDavid Ahern switch (type) { 2641424dc96SDavid Ahern case PERF_TYPE_HARDWARE: 2651424dc96SDavid Ahern return "hardware"; 2661424dc96SDavid Ahern 2671424dc96SDavid Ahern case PERF_TYPE_SOFTWARE: 2681424dc96SDavid Ahern return "software"; 2691424dc96SDavid Ahern 2701424dc96SDavid Ahern case PERF_TYPE_TRACEPOINT: 2711424dc96SDavid Ahern return "tracepoint"; 2721424dc96SDavid Ahern 2731424dc96SDavid Ahern case PERF_TYPE_HW_CACHE: 2741424dc96SDavid Ahern return "hardware-cache"; 2751424dc96SDavid Ahern 2761424dc96SDavid Ahern default: 2771424dc96SDavid Ahern break; 2781424dc96SDavid Ahern } 2791424dc96SDavid Ahern 2801424dc96SDavid Ahern return "unknown"; 2811424dc96SDavid Ahern } 2821424dc96SDavid Ahern 283e814fdddSWang Nan static int parse_events__is_name_term(struct parse_events_term *term) 284e814fdddSWang Nan { 285e814fdddSWang Nan return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; 286e814fdddSWang Nan } 2877ae92e74SYan, Zheng 288e814fdddSWang Nan static char *get_config_name(struct list_head *head_terms) 289e814fdddSWang Nan { 290e814fdddSWang Nan struct parse_events_term *term; 291e814fdddSWang Nan 292e814fdddSWang Nan if (!head_terms) 293e814fdddSWang Nan return NULL; 294e814fdddSWang Nan 295e814fdddSWang Nan list_for_each_entry(term, head_terms, list) 296e814fdddSWang Nan if (parse_events__is_name_term(term)) 297e814fdddSWang Nan return term->val.str; 298e814fdddSWang Nan 299e814fdddSWang Nan return NULL; 300e814fdddSWang Nan } 3017ae92e74SYan, Zheng 302410136f5SStephane Eranian static struct perf_evsel * 303410136f5SStephane Eranian __add_event(struct list_head *list, int *idx, 3047ae92e74SYan, Zheng struct perf_event_attr *attr, 305930a2e29SJiri Olsa char *name, struct cpu_map *cpus, 306930a2e29SJiri Olsa struct list_head *config_terms) 30789812fc8SJiri Olsa { 30889812fc8SJiri Olsa struct perf_evsel *evsel; 30989812fc8SJiri Olsa 31089812fc8SJiri Olsa event_attr_init(attr); 31189812fc8SJiri Olsa 312ef503831SArnaldo Carvalho de Melo evsel = perf_evsel__new_idx(attr, (*idx)++); 313c5cd8ac0SDavid Ahern if (!evsel) 314410136f5SStephane Eranian return NULL; 31589812fc8SJiri Olsa 316f30a79b0SJiri Olsa evsel->cpus = cpu_map__get(cpus); 317fce4d296SAdrian Hunter evsel->own_cpus = cpu_map__get(cpus); 318f30a79b0SJiri Olsa 3199db1763cSArnaldo Carvalho de Melo if (name) 32089812fc8SJiri Olsa evsel->name = strdup(name); 321930a2e29SJiri Olsa 322930a2e29SJiri Olsa if (config_terms) 323930a2e29SJiri Olsa list_splice(config_terms, &evsel->config_terms); 324930a2e29SJiri Olsa 325b847cbdcSJiri Olsa list_add_tail(&evsel->node, list); 326410136f5SStephane Eranian return evsel; 32789812fc8SJiri Olsa } 32889812fc8SJiri Olsa 329c5cd8ac0SDavid Ahern static int add_event(struct list_head *list, int *idx, 330930a2e29SJiri Olsa struct perf_event_attr *attr, char *name, 331930a2e29SJiri Olsa struct list_head *config_terms) 3327ae92e74SYan, Zheng { 333930a2e29SJiri Olsa return __add_event(list, idx, attr, name, NULL, config_terms) ? 0 : -ENOMEM; 3347ae92e74SYan, Zheng } 3357ae92e74SYan, Zheng 3360b668bc9SArnaldo Carvalho de Melo static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) 33786470930SIngo Molnar { 33886470930SIngo Molnar int i, j; 33961c45981SPaul Mackerras int n, longest = -1; 34086470930SIngo Molnar 34186470930SIngo Molnar for (i = 0; i < size; i++) { 3420b668bc9SArnaldo Carvalho de Melo for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { 34361c45981SPaul Mackerras n = strlen(names[i][j]); 34489812fc8SJiri Olsa if (n > longest && !strncasecmp(str, names[i][j], n)) 34561c45981SPaul Mackerras longest = n; 34661c45981SPaul Mackerras } 34789812fc8SJiri Olsa if (longest > 0) 34886470930SIngo Molnar return i; 34986470930SIngo Molnar } 35086470930SIngo Molnar 3518953645fSIngo Molnar return -1; 35286470930SIngo Molnar } 35386470930SIngo Molnar 35443d0b978SWang Nan typedef int config_term_func_t(struct perf_event_attr *attr, 35543d0b978SWang Nan struct parse_events_term *term, 35643d0b978SWang Nan struct parse_events_error *err); 35743d0b978SWang Nan static int config_term_common(struct perf_event_attr *attr, 35843d0b978SWang Nan struct parse_events_term *term, 35943d0b978SWang Nan struct parse_events_error *err); 36043d0b978SWang Nan static int config_attr(struct perf_event_attr *attr, 36143d0b978SWang Nan struct list_head *head, 36243d0b978SWang Nan struct parse_events_error *err, 36343d0b978SWang Nan config_term_func_t config_term); 36443d0b978SWang Nan 365c5cd8ac0SDavid Ahern int parse_events_add_cache(struct list_head *list, int *idx, 36643d0b978SWang Nan char *type, char *op_result1, char *op_result2, 3672c97b0d4SArnaldo Carvalho de Melo struct parse_events_error *err, 36843d0b978SWang Nan struct list_head *head_config) 36986470930SIngo Molnar { 37089812fc8SJiri Olsa struct perf_event_attr attr; 37143d0b978SWang Nan LIST_HEAD(config_terms); 37243d0b978SWang Nan char name[MAX_NAME_LEN], *config_name; 37361c45981SPaul Mackerras int cache_type = -1, cache_op = -1, cache_result = -1; 37489812fc8SJiri Olsa char *op_result[2] = { op_result1, op_result2 }; 37589812fc8SJiri Olsa int i, n; 37686470930SIngo Molnar 37786470930SIngo Molnar /* 37886470930SIngo Molnar * No fallback - if we cannot get a clear cache type 37986470930SIngo Molnar * then bail out: 38086470930SIngo Molnar */ 3810b668bc9SArnaldo Carvalho de Melo cache_type = parse_aliases(type, perf_evsel__hw_cache, 38289812fc8SJiri Olsa PERF_COUNT_HW_CACHE_MAX); 38386470930SIngo Molnar if (cache_type == -1) 38489812fc8SJiri Olsa return -EINVAL; 38586470930SIngo Molnar 38643d0b978SWang Nan config_name = get_config_name(head_config); 38789812fc8SJiri Olsa n = snprintf(name, MAX_NAME_LEN, "%s", type); 38889812fc8SJiri Olsa 38989812fc8SJiri Olsa for (i = 0; (i < 2) && (op_result[i]); i++) { 39089812fc8SJiri Olsa char *str = op_result[i]; 39189812fc8SJiri Olsa 392275ef387SJiri Olsa n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); 39361c45981SPaul Mackerras 39461c45981SPaul Mackerras if (cache_op == -1) { 3950b668bc9SArnaldo Carvalho de Melo cache_op = parse_aliases(str, perf_evsel__hw_cache_op, 39661c45981SPaul Mackerras PERF_COUNT_HW_CACHE_OP_MAX); 39761c45981SPaul Mackerras if (cache_op >= 0) { 3980b668bc9SArnaldo Carvalho de Melo if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) 39989812fc8SJiri Olsa return -EINVAL; 40061c45981SPaul Mackerras continue; 40161c45981SPaul Mackerras } 40261c45981SPaul Mackerras } 40361c45981SPaul Mackerras 40461c45981SPaul Mackerras if (cache_result == -1) { 4050b668bc9SArnaldo Carvalho de Melo cache_result = parse_aliases(str, perf_evsel__hw_cache_result, 40661c45981SPaul Mackerras PERF_COUNT_HW_CACHE_RESULT_MAX); 40761c45981SPaul Mackerras if (cache_result >= 0) 40861c45981SPaul Mackerras continue; 40961c45981SPaul Mackerras } 41061c45981SPaul Mackerras } 41161c45981SPaul Mackerras 41286470930SIngo Molnar /* 41386470930SIngo Molnar * Fall back to reads: 41486470930SIngo Molnar */ 4158953645fSIngo Molnar if (cache_op == -1) 4168953645fSIngo Molnar cache_op = PERF_COUNT_HW_CACHE_OP_READ; 41786470930SIngo Molnar 41886470930SIngo Molnar /* 41986470930SIngo Molnar * Fall back to accesses: 42086470930SIngo Molnar */ 42186470930SIngo Molnar if (cache_result == -1) 42286470930SIngo Molnar cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; 42386470930SIngo Molnar 42489812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 42589812fc8SJiri Olsa attr.config = cache_type | (cache_op << 8) | (cache_result << 16); 42689812fc8SJiri Olsa attr.type = PERF_TYPE_HW_CACHE; 42743d0b978SWang Nan 42843d0b978SWang Nan if (head_config) { 4292c97b0d4SArnaldo Carvalho de Melo if (config_attr(&attr, head_config, err, 43043d0b978SWang Nan config_term_common)) 43143d0b978SWang Nan return -EINVAL; 43243d0b978SWang Nan 43343d0b978SWang Nan if (get_config_terms(head_config, &config_terms)) 43443d0b978SWang Nan return -ENOMEM; 43543d0b978SWang Nan } 43643d0b978SWang Nan return add_event(list, idx, &attr, config_name ? : name, &config_terms); 43786470930SIngo Molnar } 43886470930SIngo Molnar 439272ed29aSJiri Olsa static void tracepoint_error(struct parse_events_error *e, int err, 4408c619d6aSWang Nan const char *sys, const char *name) 44119658171SJiri Olsa { 44219658171SJiri Olsa char help[BUFSIZ]; 44319658171SJiri Olsa 444ec183d22SAdrian Hunter if (!e) 445ec183d22SAdrian Hunter return; 446ec183d22SAdrian Hunter 44719658171SJiri Olsa /* 44819658171SJiri Olsa * We get error directly from syscall errno ( > 0), 44919658171SJiri Olsa * or from encoded pointer's error ( < 0). 45019658171SJiri Olsa */ 45119658171SJiri Olsa err = abs(err); 45219658171SJiri Olsa 45319658171SJiri Olsa switch (err) { 45419658171SJiri Olsa case EACCES: 455272ed29aSJiri Olsa e->str = strdup("can't access trace events"); 45619658171SJiri Olsa break; 45719658171SJiri Olsa case ENOENT: 458272ed29aSJiri Olsa e->str = strdup("unknown tracepoint"); 45919658171SJiri Olsa break; 46019658171SJiri Olsa default: 461272ed29aSJiri Olsa e->str = strdup("failed to add tracepoint"); 46219658171SJiri Olsa break; 46319658171SJiri Olsa } 46419658171SJiri Olsa 46519658171SJiri Olsa tracing_path__strerror_open_tp(err, help, sizeof(help), sys, name); 466272ed29aSJiri Olsa e->help = strdup(help); 46719658171SJiri Olsa } 46819658171SJiri Olsa 469c5cd8ac0SDavid Ahern static int add_tracepoint(struct list_head *list, int *idx, 4708c619d6aSWang Nan const char *sys_name, const char *evt_name, 471272ed29aSJiri Olsa struct parse_events_error *err, 472e637d177SHe Kuang struct list_head *head_config) 473bcd3279fSFrederic Weisbecker { 47482fe1c29SArnaldo Carvalho de Melo struct perf_evsel *evsel; 475bcd3279fSFrederic Weisbecker 476ef503831SArnaldo Carvalho de Melo evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); 47719658171SJiri Olsa if (IS_ERR(evsel)) { 478272ed29aSJiri Olsa tracepoint_error(err, PTR_ERR(evsel), sys_name, evt_name); 4798dd2a131SJiri Olsa return PTR_ERR(evsel); 48019658171SJiri Olsa } 481bcd3279fSFrederic Weisbecker 482e637d177SHe Kuang if (head_config) { 483e637d177SHe Kuang LIST_HEAD(config_terms); 484e637d177SHe Kuang 485e637d177SHe Kuang if (get_config_terms(head_config, &config_terms)) 486e637d177SHe Kuang return -ENOMEM; 487e637d177SHe Kuang list_splice(&config_terms, &evsel->config_terms); 488e637d177SHe Kuang } 489e637d177SHe Kuang 49082fe1c29SArnaldo Carvalho de Melo list_add_tail(&evsel->node, list); 49182fe1c29SArnaldo Carvalho de Melo return 0; 492bcd3279fSFrederic Weisbecker } 493bcd3279fSFrederic Weisbecker 494c5cd8ac0SDavid Ahern static int add_tracepoint_multi_event(struct list_head *list, int *idx, 4958c619d6aSWang Nan const char *sys_name, const char *evt_name, 496272ed29aSJiri Olsa struct parse_events_error *err, 497e637d177SHe Kuang struct list_head *head_config) 498bcd3279fSFrederic Weisbecker { 499bcd3279fSFrederic Weisbecker char evt_path[MAXPATHLEN]; 500bcd3279fSFrederic Weisbecker struct dirent *evt_ent; 501bcd3279fSFrederic Weisbecker DIR *evt_dir; 50227bf90bfSJiri Olsa int ret = 0, found = 0; 503bcd3279fSFrederic Weisbecker 504ebf294bfSArnaldo Carvalho de Melo snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); 505bcd3279fSFrederic Weisbecker evt_dir = opendir(evt_path); 506bcd3279fSFrederic Weisbecker if (!evt_dir) { 507272ed29aSJiri Olsa tracepoint_error(err, errno, sys_name, evt_name); 50889812fc8SJiri Olsa return -1; 509bcd3279fSFrederic Weisbecker } 510bcd3279fSFrederic Weisbecker 51189812fc8SJiri Olsa while (!ret && (evt_ent = readdir(evt_dir))) { 512bcd3279fSFrederic Weisbecker if (!strcmp(evt_ent->d_name, ".") 513bcd3279fSFrederic Weisbecker || !strcmp(evt_ent->d_name, "..") 514bcd3279fSFrederic Weisbecker || !strcmp(evt_ent->d_name, "enable") 515bcd3279fSFrederic Weisbecker || !strcmp(evt_ent->d_name, "filter")) 516bcd3279fSFrederic Weisbecker continue; 517bcd3279fSFrederic Weisbecker 51889812fc8SJiri Olsa if (!strglobmatch(evt_ent->d_name, evt_name)) 519fb1d2edfSMasami Hiramatsu continue; 520fb1d2edfSMasami Hiramatsu 52127bf90bfSJiri Olsa found++; 52227bf90bfSJiri Olsa 523e637d177SHe Kuang ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name, 524272ed29aSJiri Olsa err, head_config); 525bcd3279fSFrederic Weisbecker } 526bcd3279fSFrederic Weisbecker 52727bf90bfSJiri Olsa if (!found) { 52827bf90bfSJiri Olsa tracepoint_error(err, ENOENT, sys_name, evt_name); 52927bf90bfSJiri Olsa ret = -1; 53027bf90bfSJiri Olsa } 53127bf90bfSJiri Olsa 5320bd3f084SJiri Olsa closedir(evt_dir); 53389812fc8SJiri Olsa return ret; 534bcd3279fSFrederic Weisbecker } 535bcd3279fSFrederic Weisbecker 536c5cd8ac0SDavid Ahern static int add_tracepoint_event(struct list_head *list, int *idx, 5378c619d6aSWang Nan const char *sys_name, const char *evt_name, 538272ed29aSJiri Olsa struct parse_events_error *err, 539e637d177SHe Kuang struct list_head *head_config) 540f35488f9SJiri Olsa { 541f35488f9SJiri Olsa return strpbrk(evt_name, "*?") ? 542e637d177SHe Kuang add_tracepoint_multi_event(list, idx, sys_name, evt_name, 543272ed29aSJiri Olsa err, head_config) : 544e637d177SHe Kuang add_tracepoint(list, idx, sys_name, evt_name, 545272ed29aSJiri Olsa err, head_config); 546f35488f9SJiri Olsa } 547f35488f9SJiri Olsa 548c5cd8ac0SDavid Ahern static int add_tracepoint_multi_sys(struct list_head *list, int *idx, 5498c619d6aSWang Nan const char *sys_name, const char *evt_name, 550272ed29aSJiri Olsa struct parse_events_error *err, 551e637d177SHe Kuang struct list_head *head_config) 552f35488f9SJiri Olsa { 553f35488f9SJiri Olsa struct dirent *events_ent; 554f35488f9SJiri Olsa DIR *events_dir; 555f35488f9SJiri Olsa int ret = 0; 556f35488f9SJiri Olsa 557f35488f9SJiri Olsa events_dir = opendir(tracing_events_path); 558f35488f9SJiri Olsa if (!events_dir) { 559272ed29aSJiri Olsa tracepoint_error(err, errno, sys_name, evt_name); 560f35488f9SJiri Olsa return -1; 561f35488f9SJiri Olsa } 562f35488f9SJiri Olsa 563f35488f9SJiri Olsa while (!ret && (events_ent = readdir(events_dir))) { 564f35488f9SJiri Olsa if (!strcmp(events_ent->d_name, ".") 565f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "..") 566f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "enable") 567f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "header_event") 568f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "header_page")) 569f35488f9SJiri Olsa continue; 570f35488f9SJiri Olsa 571f35488f9SJiri Olsa if (!strglobmatch(events_ent->d_name, sys_name)) 572f35488f9SJiri Olsa continue; 573f35488f9SJiri Olsa 574f35488f9SJiri Olsa ret = add_tracepoint_event(list, idx, events_ent->d_name, 575272ed29aSJiri Olsa evt_name, err, head_config); 576f35488f9SJiri Olsa } 577f35488f9SJiri Olsa 578f35488f9SJiri Olsa closedir(events_dir); 579f35488f9SJiri Olsa return ret; 580f35488f9SJiri Olsa } 581f35488f9SJiri Olsa 5824edf30e3SWang Nan struct __add_bpf_event_param { 5834edf30e3SWang Nan struct parse_events_evlist *data; 5844edf30e3SWang Nan struct list_head *list; 58595088a59SWang Nan struct list_head *head_config; 5864edf30e3SWang Nan }; 5874edf30e3SWang Nan 588cd102d70SWang Nan static int add_bpf_event(const char *group, const char *event, int fd, 5894edf30e3SWang Nan void *_param) 5904edf30e3SWang Nan { 5914edf30e3SWang Nan LIST_HEAD(new_evsels); 5924edf30e3SWang Nan struct __add_bpf_event_param *param = _param; 5934edf30e3SWang Nan struct parse_events_evlist *evlist = param->data; 5944edf30e3SWang Nan struct list_head *list = param->list; 5951f45b1d4SWang Nan struct perf_evsel *pos; 5964edf30e3SWang Nan int err; 5974edf30e3SWang Nan 5984edf30e3SWang Nan pr_debug("add bpf event %s:%s and attach bpf program %d\n", 599cd102d70SWang Nan group, event, fd); 6004edf30e3SWang Nan 601cd102d70SWang Nan err = parse_events_add_tracepoint(&new_evsels, &evlist->idx, group, 602cd102d70SWang Nan event, evlist->error, 60395088a59SWang Nan param->head_config); 6044edf30e3SWang Nan if (err) { 6054edf30e3SWang Nan struct perf_evsel *evsel, *tmp; 6064edf30e3SWang Nan 6074edf30e3SWang Nan pr_debug("Failed to add BPF event %s:%s\n", 608cd102d70SWang Nan group, event); 6094edf30e3SWang Nan list_for_each_entry_safe(evsel, tmp, &new_evsels, node) { 6104edf30e3SWang Nan list_del(&evsel->node); 6114edf30e3SWang Nan perf_evsel__delete(evsel); 6124edf30e3SWang Nan } 6134edf30e3SWang Nan return err; 6144edf30e3SWang Nan } 615cd102d70SWang Nan pr_debug("adding %s:%s\n", group, event); 6164edf30e3SWang Nan 6171f45b1d4SWang Nan list_for_each_entry(pos, &new_evsels, node) { 6181f45b1d4SWang Nan pr_debug("adding %s:%s to %p\n", 619cd102d70SWang Nan group, event, pos); 6201f45b1d4SWang Nan pos->bpf_fd = fd; 6211f45b1d4SWang Nan } 6224edf30e3SWang Nan list_splice(&new_evsels, list); 6234edf30e3SWang Nan return 0; 6244edf30e3SWang Nan } 6254edf30e3SWang Nan 62684c86ca1SWang Nan int parse_events_load_bpf_obj(struct parse_events_evlist *data, 62784c86ca1SWang Nan struct list_head *list, 62895088a59SWang Nan struct bpf_object *obj, 62995088a59SWang Nan struct list_head *head_config) 63084c86ca1SWang Nan { 63184c86ca1SWang Nan int err; 63284c86ca1SWang Nan char errbuf[BUFSIZ]; 63395088a59SWang Nan struct __add_bpf_event_param param = {data, list, head_config}; 634aa3abf30SWang Nan static bool registered_unprobe_atexit = false; 63584c86ca1SWang Nan 63684c86ca1SWang Nan if (IS_ERR(obj) || !obj) { 63784c86ca1SWang Nan snprintf(errbuf, sizeof(errbuf), 63884c86ca1SWang Nan "Internal error: load bpf obj with NULL"); 63984c86ca1SWang Nan err = -EINVAL; 64084c86ca1SWang Nan goto errout; 64184c86ca1SWang Nan } 64284c86ca1SWang Nan 64384c86ca1SWang Nan /* 644aa3abf30SWang Nan * Register atexit handler before calling bpf__probe() so 645aa3abf30SWang Nan * bpf__probe() don't need to unprobe probe points its already 646aa3abf30SWang Nan * created when failure. 647aa3abf30SWang Nan */ 648aa3abf30SWang Nan if (!registered_unprobe_atexit) { 649aa3abf30SWang Nan atexit(bpf__clear); 650aa3abf30SWang Nan registered_unprobe_atexit = true; 651aa3abf30SWang Nan } 652aa3abf30SWang Nan 653aa3abf30SWang Nan err = bpf__probe(obj); 654aa3abf30SWang Nan if (err) { 655aa3abf30SWang Nan bpf__strerror_probe(obj, err, errbuf, sizeof(errbuf)); 656aa3abf30SWang Nan goto errout; 657aa3abf30SWang Nan } 658aa3abf30SWang Nan 6591e5e3ee8SWang Nan err = bpf__load(obj); 6601e5e3ee8SWang Nan if (err) { 6611e5e3ee8SWang Nan bpf__strerror_load(obj, err, errbuf, sizeof(errbuf)); 6621e5e3ee8SWang Nan goto errout; 6631e5e3ee8SWang Nan } 6641e5e3ee8SWang Nan 665cd102d70SWang Nan err = bpf__foreach_event(obj, add_bpf_event, ¶m); 6664edf30e3SWang Nan if (err) { 6674edf30e3SWang Nan snprintf(errbuf, sizeof(errbuf), 6684edf30e3SWang Nan "Attach events in BPF object failed"); 6694edf30e3SWang Nan goto errout; 6704edf30e3SWang Nan } 6714edf30e3SWang Nan 6724edf30e3SWang Nan return 0; 67384c86ca1SWang Nan errout: 67484c86ca1SWang Nan data->error->help = strdup("(add -v to see detail)"); 67584c86ca1SWang Nan data->error->str = strdup(errbuf); 67684c86ca1SWang Nan return err; 67784c86ca1SWang Nan } 67884c86ca1SWang Nan 679a34f3be7SWang Nan static int 680a34f3be7SWang Nan parse_events_config_bpf(struct parse_events_evlist *data, 681a34f3be7SWang Nan struct bpf_object *obj, 682a34f3be7SWang Nan struct list_head *head_config) 683a34f3be7SWang Nan { 684a34f3be7SWang Nan struct parse_events_term *term; 685a34f3be7SWang Nan int error_pos; 686a34f3be7SWang Nan 687a34f3be7SWang Nan if (!head_config || list_empty(head_config)) 688a34f3be7SWang Nan return 0; 689a34f3be7SWang Nan 690a34f3be7SWang Nan list_for_each_entry(term, head_config, list) { 691a34f3be7SWang Nan char errbuf[BUFSIZ]; 692a34f3be7SWang Nan int err; 693a34f3be7SWang Nan 694a34f3be7SWang Nan if (term->type_term != PARSE_EVENTS__TERM_TYPE_USER) { 695a34f3be7SWang Nan snprintf(errbuf, sizeof(errbuf), 696a34f3be7SWang Nan "Invalid config term for BPF object"); 697a34f3be7SWang Nan errbuf[BUFSIZ - 1] = '\0'; 698a34f3be7SWang Nan 699a34f3be7SWang Nan data->error->idx = term->err_term; 700a34f3be7SWang Nan data->error->str = strdup(errbuf); 701a34f3be7SWang Nan return -EINVAL; 702a34f3be7SWang Nan } 703a34f3be7SWang Nan 7047630b3e2SWang Nan err = bpf__config_obj(obj, term, data->evlist, &error_pos); 705a34f3be7SWang Nan if (err) { 7067630b3e2SWang Nan bpf__strerror_config_obj(obj, term, data->evlist, 707a34f3be7SWang Nan &error_pos, err, errbuf, 708a34f3be7SWang Nan sizeof(errbuf)); 709a34f3be7SWang Nan data->error->help = strdup( 7107630b3e2SWang Nan "Hint:\tValid config terms:\n" 711e571e029SWang Nan " \tmap:[<arraymap>].value<indices>=[value]\n" 712e571e029SWang Nan " \tmap:[<eventmap>].event<indices>=[event]\n" 7137630b3e2SWang Nan "\n" 714e571e029SWang Nan " \twhere <indices> is something like [0,3...5] or [all]\n" 715a34f3be7SWang Nan " \t(add -v to see detail)"); 716a34f3be7SWang Nan data->error->str = strdup(errbuf); 717a34f3be7SWang Nan if (err == -BPF_LOADER_ERRNO__OBJCONF_MAP_VALUE) 718a34f3be7SWang Nan data->error->idx = term->err_val; 719a34f3be7SWang Nan else 720a34f3be7SWang Nan data->error->idx = term->err_term + error_pos; 721a34f3be7SWang Nan return err; 722a34f3be7SWang Nan } 723a34f3be7SWang Nan } 724a34f3be7SWang Nan return 0; 725a34f3be7SWang Nan } 726a34f3be7SWang Nan 72795088a59SWang Nan /* 72895088a59SWang Nan * Split config terms: 72995088a59SWang Nan * perf record -e bpf.c/call-graph=fp,map:array.value[0]=1/ ... 73095088a59SWang Nan * 'call-graph=fp' is 'evt config', should be applied to each 73195088a59SWang Nan * events in bpf.c. 73295088a59SWang Nan * 'map:array.value[0]=1' is 'obj config', should be processed 73395088a59SWang Nan * with parse_events_config_bpf. 73495088a59SWang Nan * 73595088a59SWang Nan * Move object config terms from the first list to obj_head_config. 73695088a59SWang Nan */ 73795088a59SWang Nan static void 73895088a59SWang Nan split_bpf_config_terms(struct list_head *evt_head_config, 73995088a59SWang Nan struct list_head *obj_head_config) 74095088a59SWang Nan { 74195088a59SWang Nan struct parse_events_term *term, *temp; 74295088a59SWang Nan 74395088a59SWang Nan /* 74495088a59SWang Nan * Currectly, all possible user config term 74595088a59SWang Nan * belong to bpf object. parse_events__is_hardcoded_term() 74695088a59SWang Nan * happends to be a good flag. 74795088a59SWang Nan * 74895088a59SWang Nan * See parse_events_config_bpf() and 74995088a59SWang Nan * config_term_tracepoint(). 75095088a59SWang Nan */ 75195088a59SWang Nan list_for_each_entry_safe(term, temp, evt_head_config, list) 75295088a59SWang Nan if (!parse_events__is_hardcoded_term(term)) 75395088a59SWang Nan list_move_tail(&term->list, obj_head_config); 75495088a59SWang Nan } 75595088a59SWang Nan 75684c86ca1SWang Nan int parse_events_load_bpf(struct parse_events_evlist *data, 75784c86ca1SWang Nan struct list_head *list, 758d509db04SWang Nan char *bpf_file_name, 759a34f3be7SWang Nan bool source, 760a34f3be7SWang Nan struct list_head *head_config) 76184c86ca1SWang Nan { 762a34f3be7SWang Nan int err; 76395088a59SWang Nan struct bpf_object *obj; 76495088a59SWang Nan LIST_HEAD(obj_head_config); 76595088a59SWang Nan 76695088a59SWang Nan if (head_config) 76795088a59SWang Nan split_bpf_config_terms(head_config, &obj_head_config); 76884c86ca1SWang Nan 769d509db04SWang Nan obj = bpf__prepare_load(bpf_file_name, source); 7706371ca3bSWang Nan if (IS_ERR(obj)) { 77184c86ca1SWang Nan char errbuf[BUFSIZ]; 77284c86ca1SWang Nan 7736371ca3bSWang Nan err = PTR_ERR(obj); 77484c86ca1SWang Nan 77584c86ca1SWang Nan if (err == -ENOTSUP) 77684c86ca1SWang Nan snprintf(errbuf, sizeof(errbuf), 77784c86ca1SWang Nan "BPF support is not compiled"); 77884c86ca1SWang Nan else 779d3e0ce39SWang Nan bpf__strerror_prepare_load(bpf_file_name, 780d3e0ce39SWang Nan source, 781d3e0ce39SWang Nan -err, errbuf, 782d3e0ce39SWang Nan sizeof(errbuf)); 78384c86ca1SWang Nan 78484c86ca1SWang Nan data->error->help = strdup("(add -v to see detail)"); 78584c86ca1SWang Nan data->error->str = strdup(errbuf); 78684c86ca1SWang Nan return err; 78784c86ca1SWang Nan } 78884c86ca1SWang Nan 78995088a59SWang Nan err = parse_events_load_bpf_obj(data, list, obj, head_config); 790a34f3be7SWang Nan if (err) 791a34f3be7SWang Nan return err; 79295088a59SWang Nan err = parse_events_config_bpf(data, obj, &obj_head_config); 79395088a59SWang Nan 79495088a59SWang Nan /* 79595088a59SWang Nan * Caller doesn't know anything about obj_head_config, 79695088a59SWang Nan * so combine them together again before returnning. 79795088a59SWang Nan */ 79895088a59SWang Nan if (head_config) 79995088a59SWang Nan list_splice_tail(&obj_head_config, head_config); 80095088a59SWang Nan return err; 80184c86ca1SWang Nan } 80284c86ca1SWang Nan 80389812fc8SJiri Olsa static int 80489812fc8SJiri Olsa parse_breakpoint_type(const char *type, struct perf_event_attr *attr) 8051b290d67SFrederic Weisbecker { 8061b290d67SFrederic Weisbecker int i; 8071b290d67SFrederic Weisbecker 8081b290d67SFrederic Weisbecker for (i = 0; i < 3; i++) { 80989812fc8SJiri Olsa if (!type || !type[i]) 8101b290d67SFrederic Weisbecker break; 8111b290d67SFrederic Weisbecker 8127582732fSJiri Olsa #define CHECK_SET_TYPE(bit) \ 8137582732fSJiri Olsa do { \ 8147582732fSJiri Olsa if (attr->bp_type & bit) \ 8157582732fSJiri Olsa return -EINVAL; \ 8167582732fSJiri Olsa else \ 8177582732fSJiri Olsa attr->bp_type |= bit; \ 8187582732fSJiri Olsa } while (0) 8197582732fSJiri Olsa 8201b290d67SFrederic Weisbecker switch (type[i]) { 8211b290d67SFrederic Weisbecker case 'r': 8227582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_R); 8231b290d67SFrederic Weisbecker break; 8241b290d67SFrederic Weisbecker case 'w': 8257582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_W); 8261b290d67SFrederic Weisbecker break; 8271b290d67SFrederic Weisbecker case 'x': 8287582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_X); 8291b290d67SFrederic Weisbecker break; 8301b290d67SFrederic Weisbecker default: 83189812fc8SJiri Olsa return -EINVAL; 8321b290d67SFrederic Weisbecker } 8331b290d67SFrederic Weisbecker } 83489812fc8SJiri Olsa 8357582732fSJiri Olsa #undef CHECK_SET_TYPE 8367582732fSJiri Olsa 8371b290d67SFrederic Weisbecker if (!attr->bp_type) /* Default */ 8381b290d67SFrederic Weisbecker attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; 8391b290d67SFrederic Weisbecker 84089812fc8SJiri Olsa return 0; 8411b290d67SFrederic Weisbecker } 8421b290d67SFrederic Weisbecker 843c5cd8ac0SDavid Ahern int parse_events_add_breakpoint(struct list_head *list, int *idx, 8443741eb9fSJacob Shin void *ptr, char *type, u64 len) 8451b290d67SFrederic Weisbecker { 84689812fc8SJiri Olsa struct perf_event_attr attr; 8471b290d67SFrederic Weisbecker 84889812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 8499fafd98fSJiri Olsa attr.bp_addr = (unsigned long) ptr; 8501b290d67SFrederic Weisbecker 85189812fc8SJiri Olsa if (parse_breakpoint_type(type, &attr)) 85289812fc8SJiri Olsa return -EINVAL; 8531b290d67SFrederic Weisbecker 8543741eb9fSJacob Shin /* Provide some defaults if len is not specified */ 8553741eb9fSJacob Shin if (!len) { 85689812fc8SJiri Olsa if (attr.bp_type == HW_BREAKPOINT_X) 8573741eb9fSJacob Shin len = sizeof(long); 858aa59a485SFrederic Weisbecker else 8593741eb9fSJacob Shin len = HW_BREAKPOINT_LEN_4; 8603741eb9fSJacob Shin } 8613741eb9fSJacob Shin 8623741eb9fSJacob Shin attr.bp_len = len; 863aa59a485SFrederic Weisbecker 86489812fc8SJiri Olsa attr.type = PERF_TYPE_BREAKPOINT; 8654a841d65SJovi Zhang attr.sample_period = 1; 8661b290d67SFrederic Weisbecker 867930a2e29SJiri Olsa return add_event(list, idx, &attr, NULL, NULL); 8681b290d67SFrederic Weisbecker } 8691b290d67SFrederic Weisbecker 8703b0e371cSJiri Olsa static int check_type_val(struct parse_events_term *term, 8713b0e371cSJiri Olsa struct parse_events_error *err, 8723b0e371cSJiri Olsa int type) 8733b0e371cSJiri Olsa { 8743b0e371cSJiri Olsa if (type == term->type_val) 8753b0e371cSJiri Olsa return 0; 8763b0e371cSJiri Olsa 8773b0e371cSJiri Olsa if (err) { 8783b0e371cSJiri Olsa err->idx = term->err_val; 8793b0e371cSJiri Olsa if (type == PARSE_EVENTS__TERM_TYPE_NUM) 8803b0e371cSJiri Olsa err->str = strdup("expected numeric value"); 8813b0e371cSJiri Olsa else 8823b0e371cSJiri Olsa err->str = strdup("expected string value"); 8833b0e371cSJiri Olsa } 8843b0e371cSJiri Olsa return -EINVAL; 8853b0e371cSJiri Olsa } 8863b0e371cSJiri Olsa 88717cb5f84SWang Nan /* 88817cb5f84SWang Nan * Update according to parse-events.l 88917cb5f84SWang Nan */ 89017cb5f84SWang Nan static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = { 89117cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_USER] = "<sysfs term>", 89217cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG] = "config", 89317cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG1] = "config1", 89417cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG2] = "config2", 89517cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_NAME] = "name", 89617cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD] = "period", 89717cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ] = "freq", 89817cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE] = "branch_type", 89917cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_TIME] = "time", 90017cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CALLGRAPH] = "call-graph", 90117cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_STACKSIZE] = "stack-size", 90217cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_NOINHERIT] = "no-inherit", 90317cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_INHERIT] = "inherit", 904792d48b4SArnaldo Carvalho de Melo [PARSE_EVENTS__TERM_TYPE_MAX_STACK] = "max-stack", 905626a6b78SWang Nan [PARSE_EVENTS__TERM_TYPE_OVERWRITE] = "overwrite", 906626a6b78SWang Nan [PARSE_EVENTS__TERM_TYPE_NOOVERWRITE] = "no-overwrite", 907dd60fba7SMathieu Poirier [PARSE_EVENTS__TERM_TYPE_DRV_CFG] = "driver-config", 90817cb5f84SWang Nan }; 90917cb5f84SWang Nan 9101669e509SWang Nan static bool config_term_shrinked; 9111669e509SWang Nan 9121669e509SWang Nan static bool 9131669e509SWang Nan config_term_avail(int term_type, struct parse_events_error *err) 9141669e509SWang Nan { 9151669e509SWang Nan if (term_type < 0 || term_type >= __PARSE_EVENTS__TERM_TYPE_NR) { 9161669e509SWang Nan err->str = strdup("Invalid term_type"); 9171669e509SWang Nan return false; 9181669e509SWang Nan } 9191669e509SWang Nan if (!config_term_shrinked) 9201669e509SWang Nan return true; 9211669e509SWang Nan 9221669e509SWang Nan switch (term_type) { 9231669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG: 9241669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG1: 9251669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG2: 9261669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_NAME: 9271669e509SWang Nan return true; 9281669e509SWang Nan default: 9291669e509SWang Nan if (!err) 9301669e509SWang Nan return false; 9311669e509SWang Nan 9321669e509SWang Nan /* term_type is validated so indexing is safe */ 9331669e509SWang Nan if (asprintf(&err->str, "'%s' is not usable in 'perf stat'", 9341669e509SWang Nan config_term_names[term_type]) < 0) 9351669e509SWang Nan err->str = NULL; 9361669e509SWang Nan return false; 9371669e509SWang Nan } 9381669e509SWang Nan } 9391669e509SWang Nan 9401669e509SWang Nan void parse_events__shrink_config_terms(void) 9411669e509SWang Nan { 9421669e509SWang Nan config_term_shrinked = true; 9431669e509SWang Nan } 9441669e509SWang Nan 9450b8891a8SHe Kuang static int config_term_common(struct perf_event_attr *attr, 9463b0e371cSJiri Olsa struct parse_events_term *term, 9473b0e371cSJiri Olsa struct parse_events_error *err) 9488f707d84SJiri Olsa { 94916fa7e82SJiri Olsa #define CHECK_TYPE_VAL(type) \ 95016fa7e82SJiri Olsa do { \ 9513b0e371cSJiri Olsa if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ 95216fa7e82SJiri Olsa return -EINVAL; \ 95316fa7e82SJiri Olsa } while (0) 95416fa7e82SJiri Olsa 95516fa7e82SJiri Olsa switch (term->type_term) { 9568f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG: 95716fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9588f707d84SJiri Olsa attr->config = term->val.num; 9598f707d84SJiri Olsa break; 9608f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG1: 96116fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9628f707d84SJiri Olsa attr->config1 = term->val.num; 9638f707d84SJiri Olsa break; 9648f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG2: 96516fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9668f707d84SJiri Olsa attr->config2 = term->val.num; 9678f707d84SJiri Olsa break; 9688f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: 96916fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9708f707d84SJiri Olsa break; 97109af2a55SNamhyung Kim case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: 97209af2a55SNamhyung Kim CHECK_TYPE_VAL(NUM); 97309af2a55SNamhyung Kim break; 9748f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: 9758f707d84SJiri Olsa /* 9768f707d84SJiri Olsa * TODO uncomment when the field is available 9778f707d84SJiri Olsa * attr->branch_sample_type = term->val.num; 9788f707d84SJiri Olsa */ 9798f707d84SJiri Olsa break; 98032067712SKan Liang case PARSE_EVENTS__TERM_TYPE_TIME: 98132067712SKan Liang CHECK_TYPE_VAL(NUM); 98232067712SKan Liang if (term->val.num > 1) { 98332067712SKan Liang err->str = strdup("expected 0 or 1"); 98432067712SKan Liang err->idx = term->err_val; 98532067712SKan Liang return -EINVAL; 98632067712SKan Liang } 98732067712SKan Liang break; 988d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 989d457c963SKan Liang CHECK_TYPE_VAL(STR); 990d457c963SKan Liang break; 991d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 992d457c963SKan Liang CHECK_TYPE_VAL(NUM); 993d457c963SKan Liang break; 994374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 995374ce938SWang Nan CHECK_TYPE_VAL(NUM); 996374ce938SWang Nan break; 997374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 998374ce938SWang Nan CHECK_TYPE_VAL(NUM); 999374ce938SWang Nan break; 1000626a6b78SWang Nan case PARSE_EVENTS__TERM_TYPE_OVERWRITE: 1001626a6b78SWang Nan CHECK_TYPE_VAL(NUM); 1002626a6b78SWang Nan break; 1003626a6b78SWang Nan case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: 1004626a6b78SWang Nan CHECK_TYPE_VAL(NUM); 1005626a6b78SWang Nan break; 10066b5fc39bSJiri Olsa case PARSE_EVENTS__TERM_TYPE_NAME: 10076b5fc39bSJiri Olsa CHECK_TYPE_VAL(STR); 10086b5fc39bSJiri Olsa break; 1009792d48b4SArnaldo Carvalho de Melo case PARSE_EVENTS__TERM_TYPE_MAX_STACK: 1010792d48b4SArnaldo Carvalho de Melo CHECK_TYPE_VAL(NUM); 1011792d48b4SArnaldo Carvalho de Melo break; 10128f707d84SJiri Olsa default: 1013ffeb883eSHe Kuang err->str = strdup("unknown term"); 1014ffeb883eSHe Kuang err->idx = term->err_term; 1015ffeb883eSHe Kuang err->help = parse_events_formats_error_string(NULL); 10168f707d84SJiri Olsa return -EINVAL; 10178f707d84SJiri Olsa } 101816fa7e82SJiri Olsa 10191669e509SWang Nan /* 10201669e509SWang Nan * Check term availbility after basic checking so 10211669e509SWang Nan * PARSE_EVENTS__TERM_TYPE_USER can be found and filtered. 10221669e509SWang Nan * 10231669e509SWang Nan * If check availbility at the entry of this function, 10241669e509SWang Nan * user will see "'<sysfs term>' is not usable in 'perf stat'" 10251669e509SWang Nan * if an invalid config term is provided for legacy events 10261669e509SWang Nan * (for example, instructions/badterm/...), which is confusing. 10271669e509SWang Nan */ 10281669e509SWang Nan if (!config_term_avail(term->type_term, err)) 10291669e509SWang Nan return -EINVAL; 10308f707d84SJiri Olsa return 0; 103116fa7e82SJiri Olsa #undef CHECK_TYPE_VAL 10328f707d84SJiri Olsa } 10338f707d84SJiri Olsa 10340b8891a8SHe Kuang static int config_term_pmu(struct perf_event_attr *attr, 10350b8891a8SHe Kuang struct parse_events_term *term, 10360b8891a8SHe Kuang struct parse_events_error *err) 10370b8891a8SHe Kuang { 1038dd60fba7SMathieu Poirier if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER || 1039dd60fba7SMathieu Poirier term->type_term == PARSE_EVENTS__TERM_TYPE_DRV_CFG) 10400b8891a8SHe Kuang /* 10410b8891a8SHe Kuang * Always succeed for sysfs terms, as we dont know 10420b8891a8SHe Kuang * at this point what type they need to have. 10430b8891a8SHe Kuang */ 10440b8891a8SHe Kuang return 0; 10450b8891a8SHe Kuang else 10460b8891a8SHe Kuang return config_term_common(attr, term, err); 10470b8891a8SHe Kuang } 10480b8891a8SHe Kuang 1049e637d177SHe Kuang static int config_term_tracepoint(struct perf_event_attr *attr, 1050e637d177SHe Kuang struct parse_events_term *term, 1051e637d177SHe Kuang struct parse_events_error *err) 1052e637d177SHe Kuang { 1053e637d177SHe Kuang switch (term->type_term) { 1054e637d177SHe Kuang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 1055e637d177SHe Kuang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 1056374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 1057374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 1058792d48b4SArnaldo Carvalho de Melo case PARSE_EVENTS__TERM_TYPE_MAX_STACK: 1059626a6b78SWang Nan case PARSE_EVENTS__TERM_TYPE_OVERWRITE: 1060626a6b78SWang Nan case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: 1061e637d177SHe Kuang return config_term_common(attr, term, err); 1062e637d177SHe Kuang default: 1063e637d177SHe Kuang if (err) { 1064e637d177SHe Kuang err->idx = term->err_term; 1065e637d177SHe Kuang err->str = strdup("unknown term"); 1066e637d177SHe Kuang err->help = strdup("valid terms: call-graph,stack-size\n"); 1067e637d177SHe Kuang } 1068e637d177SHe Kuang return -EINVAL; 1069e637d177SHe Kuang } 1070e637d177SHe Kuang 1071e637d177SHe Kuang return 0; 1072e637d177SHe Kuang } 1073e637d177SHe Kuang 10748f707d84SJiri Olsa static int config_attr(struct perf_event_attr *attr, 10753b0e371cSJiri Olsa struct list_head *head, 10760b8891a8SHe Kuang struct parse_events_error *err, 10770b8891a8SHe Kuang config_term_func_t config_term) 10788f707d84SJiri Olsa { 10796cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term; 10808f707d84SJiri Olsa 10818f707d84SJiri Olsa list_for_each_entry(term, head, list) 10823b0e371cSJiri Olsa if (config_term(attr, term, err)) 10838f707d84SJiri Olsa return -EINVAL; 10848f707d84SJiri Olsa 10858f707d84SJiri Olsa return 0; 10868f707d84SJiri Olsa } 10878f707d84SJiri Olsa 1088930a2e29SJiri Olsa static int get_config_terms(struct list_head *head_config, 1089930a2e29SJiri Olsa struct list_head *head_terms __maybe_unused) 1090930a2e29SJiri Olsa { 1091930a2e29SJiri Olsa #define ADD_CONFIG_TERM(__type, __name, __val) \ 1092930a2e29SJiri Olsa do { \ 1093930a2e29SJiri Olsa struct perf_evsel_config_term *__t; \ 1094930a2e29SJiri Olsa \ 1095930a2e29SJiri Olsa __t = zalloc(sizeof(*__t)); \ 1096930a2e29SJiri Olsa if (!__t) \ 1097930a2e29SJiri Olsa return -ENOMEM; \ 1098930a2e29SJiri Olsa \ 1099930a2e29SJiri Olsa INIT_LIST_HEAD(&__t->list); \ 1100930a2e29SJiri Olsa __t->type = PERF_EVSEL__CONFIG_TERM_ ## __type; \ 1101930a2e29SJiri Olsa __t->val.__name = __val; \ 1102930a2e29SJiri Olsa list_add_tail(&__t->list, head_terms); \ 1103930a2e29SJiri Olsa } while (0) 1104930a2e29SJiri Olsa 1105930a2e29SJiri Olsa struct parse_events_term *term; 1106930a2e29SJiri Olsa 1107930a2e29SJiri Olsa list_for_each_entry(term, head_config, list) { 1108930a2e29SJiri Olsa switch (term->type_term) { 1109ee4c7588SJiri Olsa case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: 1110ee4c7588SJiri Olsa ADD_CONFIG_TERM(PERIOD, period, term->val.num); 111132067712SKan Liang break; 111209af2a55SNamhyung Kim case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: 111309af2a55SNamhyung Kim ADD_CONFIG_TERM(FREQ, freq, term->val.num); 111409af2a55SNamhyung Kim break; 111532067712SKan Liang case PARSE_EVENTS__TERM_TYPE_TIME: 111632067712SKan Liang ADD_CONFIG_TERM(TIME, time, term->val.num); 111732067712SKan Liang break; 1118d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 1119d457c963SKan Liang ADD_CONFIG_TERM(CALLGRAPH, callgraph, term->val.str); 1120d457c963SKan Liang break; 1121d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 1122d457c963SKan Liang ADD_CONFIG_TERM(STACK_USER, stack_user, term->val.num); 1123d457c963SKan Liang break; 1124374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 1125374ce938SWang Nan ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 1 : 0); 1126374ce938SWang Nan break; 1127374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 1128374ce938SWang Nan ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 0 : 1); 1129374ce938SWang Nan break; 1130792d48b4SArnaldo Carvalho de Melo case PARSE_EVENTS__TERM_TYPE_MAX_STACK: 1131792d48b4SArnaldo Carvalho de Melo ADD_CONFIG_TERM(MAX_STACK, max_stack, term->val.num); 1132792d48b4SArnaldo Carvalho de Melo break; 1133626a6b78SWang Nan case PARSE_EVENTS__TERM_TYPE_OVERWRITE: 1134626a6b78SWang Nan ADD_CONFIG_TERM(OVERWRITE, overwrite, term->val.num ? 1 : 0); 1135626a6b78SWang Nan break; 1136626a6b78SWang Nan case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: 1137626a6b78SWang Nan ADD_CONFIG_TERM(OVERWRITE, overwrite, term->val.num ? 0 : 1); 1138626a6b78SWang Nan break; 1139dd60fba7SMathieu Poirier case PARSE_EVENTS__TERM_TYPE_DRV_CFG: 1140dd60fba7SMathieu Poirier ADD_CONFIG_TERM(DRV_CFG, drv_cfg, term->val.str); 1141dd60fba7SMathieu Poirier break; 1142930a2e29SJiri Olsa default: 1143930a2e29SJiri Olsa break; 1144930a2e29SJiri Olsa } 1145930a2e29SJiri Olsa } 1146930a2e29SJiri Olsa #undef ADD_EVSEL_CONFIG 1147930a2e29SJiri Olsa return 0; 1148930a2e29SJiri Olsa } 1149930a2e29SJiri Olsa 1150e637d177SHe Kuang int parse_events_add_tracepoint(struct list_head *list, int *idx, 11518c619d6aSWang Nan const char *sys, const char *event, 1152272ed29aSJiri Olsa struct parse_events_error *err, 1153e637d177SHe Kuang struct list_head *head_config) 1154e637d177SHe Kuang { 1155e637d177SHe Kuang if (head_config) { 1156e637d177SHe Kuang struct perf_event_attr attr; 1157e637d177SHe Kuang 1158272ed29aSJiri Olsa if (config_attr(&attr, head_config, err, 1159e637d177SHe Kuang config_term_tracepoint)) 1160e637d177SHe Kuang return -EINVAL; 1161e637d177SHe Kuang } 1162e637d177SHe Kuang 1163e637d177SHe Kuang if (strpbrk(sys, "*?")) 1164e637d177SHe Kuang return add_tracepoint_multi_sys(list, idx, sys, event, 1165272ed29aSJiri Olsa err, head_config); 1166e637d177SHe Kuang else 1167e637d177SHe Kuang return add_tracepoint_event(list, idx, sys, event, 1168272ed29aSJiri Olsa err, head_config); 1169e637d177SHe Kuang } 1170e637d177SHe Kuang 117187d650beSJiri Olsa int parse_events_add_numeric(struct parse_events_evlist *data, 117287d650beSJiri Olsa struct list_head *list, 1173b527bab5SRobert Richter u32 type, u64 config, 11748f707d84SJiri Olsa struct list_head *head_config) 117574d5b588SJaswinder Singh Rajput { 117689812fc8SJiri Olsa struct perf_event_attr attr; 1177930a2e29SJiri Olsa LIST_HEAD(config_terms); 117874d5b588SJaswinder Singh Rajput 117989812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 118089812fc8SJiri Olsa attr.type = type; 118189812fc8SJiri Olsa attr.config = config; 11828f707d84SJiri Olsa 1183930a2e29SJiri Olsa if (head_config) { 11840b8891a8SHe Kuang if (config_attr(&attr, head_config, data->error, 11850b8891a8SHe Kuang config_term_common)) 11868f707d84SJiri Olsa return -EINVAL; 11878f707d84SJiri Olsa 1188930a2e29SJiri Olsa if (get_config_terms(head_config, &config_terms)) 1189930a2e29SJiri Olsa return -ENOMEM; 1190930a2e29SJiri Olsa } 1191930a2e29SJiri Olsa 119210bf358aSWang Nan return add_event(list, &data->idx, &attr, 119310bf358aSWang Nan get_config_name(head_config), &config_terms); 1194b908debdSIngo Molnar } 1195b908debdSIngo Molnar 119636adec85SJiri Olsa int parse_events_add_pmu(struct parse_events_evlist *data, 119736adec85SJiri Olsa struct list_head *list, char *name, 119836adec85SJiri Olsa struct list_head *head_config) 11995f537a26SJiri Olsa { 12005f537a26SJiri Olsa struct perf_event_attr attr; 120146441bdcSMatt Fleming struct perf_pmu_info info; 12025f537a26SJiri Olsa struct perf_pmu *pmu; 1203410136f5SStephane Eranian struct perf_evsel *evsel; 1204930a2e29SJiri Olsa LIST_HEAD(config_terms); 12055f537a26SJiri Olsa 12065f537a26SJiri Olsa pmu = perf_pmu__find(name); 12075f537a26SJiri Olsa if (!pmu) 12085f537a26SJiri Olsa return -EINVAL; 12095f537a26SJiri Olsa 1210dc0a6202SAdrian Hunter if (pmu->default_config) { 1211dc0a6202SAdrian Hunter memcpy(&attr, pmu->default_config, 1212dc0a6202SAdrian Hunter sizeof(struct perf_event_attr)); 1213dc0a6202SAdrian Hunter } else { 12145f537a26SJiri Olsa memset(&attr, 0, sizeof(attr)); 1215dc0a6202SAdrian Hunter } 12165f537a26SJiri Olsa 1217ad962273SAdrian Hunter if (!head_config) { 1218ad962273SAdrian Hunter attr.type = pmu->type; 1219930a2e29SJiri Olsa evsel = __add_event(list, &data->idx, &attr, NULL, pmu->cpus, NULL); 1220ad962273SAdrian Hunter return evsel ? 0 : -ENOMEM; 1221ad962273SAdrian Hunter } 1222ad962273SAdrian Hunter 122346441bdcSMatt Fleming if (perf_pmu__check_alias(pmu, head_config, &info)) 1224a6146d50SZheng Yan return -EINVAL; 1225a6146d50SZheng Yan 12265f537a26SJiri Olsa /* 12275f537a26SJiri Olsa * Configure hardcoded terms first, no need to check 12285f537a26SJiri Olsa * return value when called with fail == 0 ;) 12295f537a26SJiri Olsa */ 12300b8891a8SHe Kuang if (config_attr(&attr, head_config, data->error, config_term_pmu)) 1231c056ba6aSJiri Olsa return -EINVAL; 12325f537a26SJiri Olsa 1233930a2e29SJiri Olsa if (get_config_terms(head_config, &config_terms)) 1234930a2e29SJiri Olsa return -ENOMEM; 1235930a2e29SJiri Olsa 1236e64b020bSJiri Olsa if (perf_pmu__config(pmu, &attr, head_config, data->error)) 12375f537a26SJiri Olsa return -EINVAL; 12385f537a26SJiri Olsa 123936adec85SJiri Olsa evsel = __add_event(list, &data->idx, &attr, 1240e814fdddSWang Nan get_config_name(head_config), pmu->cpus, 1241930a2e29SJiri Olsa &config_terms); 1242410136f5SStephane Eranian if (evsel) { 124346441bdcSMatt Fleming evsel->unit = info.unit; 124446441bdcSMatt Fleming evsel->scale = info.scale; 1245044330c1SMatt Fleming evsel->per_pkg = info.per_pkg; 12461d9e446bSJiri Olsa evsel->snapshot = info.snapshot; 1247410136f5SStephane Eranian } 1248410136f5SStephane Eranian 1249410136f5SStephane Eranian return evsel ? 0 : -ENOMEM; 12505f537a26SJiri Olsa } 12515f537a26SJiri Olsa 12526a4bb04cSJiri Olsa int parse_events__modifier_group(struct list_head *list, 12536a4bb04cSJiri Olsa char *event_mod) 125489efb029SJiri Olsa { 12556a4bb04cSJiri Olsa return parse_events__modifier_event(list, event_mod, true); 12566a4bb04cSJiri Olsa } 12576a4bb04cSJiri Olsa 125863dab225SArnaldo Carvalho de Melo void parse_events__set_leader(char *name, struct list_head *list) 12596a4bb04cSJiri Olsa { 12606a4bb04cSJiri Olsa struct perf_evsel *leader; 12616a4bb04cSJiri Olsa 1262854f7363SWang Nan if (list_empty(list)) { 1263854f7363SWang Nan WARN_ONCE(true, "WARNING: failed to set leader: empty list"); 1264854f7363SWang Nan return; 1265854f7363SWang Nan } 1266854f7363SWang Nan 126763dab225SArnaldo Carvalho de Melo __perf_evlist__set_leader(list); 126863dab225SArnaldo Carvalho de Melo leader = list_entry(list->next, struct perf_evsel, node); 12696a4bb04cSJiri Olsa leader->group_name = name ? strdup(name) : NULL; 127089efb029SJiri Olsa } 127189efb029SJiri Olsa 1272c5cd8ac0SDavid Ahern /* list_event is assumed to point to malloc'ed memory */ 12735d7be90eSJiri Olsa void parse_events_update_lists(struct list_head *list_event, 12745d7be90eSJiri Olsa struct list_head *list_all) 12755d7be90eSJiri Olsa { 12765d7be90eSJiri Olsa /* 12775d7be90eSJiri Olsa * Called for single event definition. Update the 127889efb029SJiri Olsa * 'all event' list, and reinit the 'single event' 12795d7be90eSJiri Olsa * list, for next event definition. 12805d7be90eSJiri Olsa */ 12815d7be90eSJiri Olsa list_splice_tail(list_event, list_all); 1282b847cbdcSJiri Olsa free(list_event); 12835d7be90eSJiri Olsa } 12845d7be90eSJiri Olsa 1285f5b1135bSJiri Olsa struct event_modifier { 1286f5b1135bSJiri Olsa int eu; 1287f5b1135bSJiri Olsa int ek; 1288f5b1135bSJiri Olsa int eh; 1289f5b1135bSJiri Olsa int eH; 1290f5b1135bSJiri Olsa int eG; 1291a1e12da4SJiri Olsa int eI; 1292f5b1135bSJiri Olsa int precise; 12937f94af7aSJiri Olsa int precise_max; 1294f5b1135bSJiri Olsa int exclude_GH; 12953c176311SJiri Olsa int sample_read; 1296e9a7c414SMichael Ellerman int pinned; 1297f5b1135bSJiri Olsa }; 129861c45981SPaul Mackerras 1299f5b1135bSJiri Olsa static int get_event_modifier(struct event_modifier *mod, char *str, 1300f5b1135bSJiri Olsa struct perf_evsel *evsel) 1301f5b1135bSJiri Olsa { 1302f5b1135bSJiri Olsa int eu = evsel ? evsel->attr.exclude_user : 0; 1303f5b1135bSJiri Olsa int ek = evsel ? evsel->attr.exclude_kernel : 0; 1304f5b1135bSJiri Olsa int eh = evsel ? evsel->attr.exclude_hv : 0; 1305f5b1135bSJiri Olsa int eH = evsel ? evsel->attr.exclude_host : 0; 1306f5b1135bSJiri Olsa int eG = evsel ? evsel->attr.exclude_guest : 0; 1307a1e12da4SJiri Olsa int eI = evsel ? evsel->attr.exclude_idle : 0; 1308f5b1135bSJiri Olsa int precise = evsel ? evsel->attr.precise_ip : 0; 13097f94af7aSJiri Olsa int precise_max = 0; 13103c176311SJiri Olsa int sample_read = 0; 1311e9a7c414SMichael Ellerman int pinned = evsel ? evsel->attr.pinned : 0; 1312f5b1135bSJiri Olsa 1313f5b1135bSJiri Olsa int exclude = eu | ek | eh; 1314f5b1135bSJiri Olsa int exclude_GH = evsel ? evsel->exclude_GH : 0; 1315f5b1135bSJiri Olsa 1316f5b1135bSJiri Olsa memset(mod, 0, sizeof(*mod)); 1317ceb53fbfSIngo Molnar 131861c45981SPaul Mackerras while (*str) { 1319ab608344SPeter Zijlstra if (*str == 'u') { 1320ab608344SPeter Zijlstra if (!exclude) 1321ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 132261c45981SPaul Mackerras eu = 0; 1323ab608344SPeter Zijlstra } else if (*str == 'k') { 1324ab608344SPeter Zijlstra if (!exclude) 1325ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 132661c45981SPaul Mackerras ek = 0; 1327ab608344SPeter Zijlstra } else if (*str == 'h') { 1328ab608344SPeter Zijlstra if (!exclude) 1329ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 133061c45981SPaul Mackerras eh = 0; 133199320cc8SJoerg Roedel } else if (*str == 'G') { 133299320cc8SJoerg Roedel if (!exclude_GH) 133399320cc8SJoerg Roedel exclude_GH = eG = eH = 1; 133499320cc8SJoerg Roedel eG = 0; 133599320cc8SJoerg Roedel } else if (*str == 'H') { 133699320cc8SJoerg Roedel if (!exclude_GH) 133799320cc8SJoerg Roedel exclude_GH = eG = eH = 1; 133899320cc8SJoerg Roedel eH = 0; 1339a1e12da4SJiri Olsa } else if (*str == 'I') { 1340a1e12da4SJiri Olsa eI = 1; 1341ab608344SPeter Zijlstra } else if (*str == 'p') { 1342ab608344SPeter Zijlstra precise++; 13431342798cSDavid Ahern /* use of precise requires exclude_guest */ 13441342798cSDavid Ahern if (!exclude_GH) 13451342798cSDavid Ahern eG = 1; 13467f94af7aSJiri Olsa } else if (*str == 'P') { 13477f94af7aSJiri Olsa precise_max = 1; 13483c176311SJiri Olsa } else if (*str == 'S') { 13493c176311SJiri Olsa sample_read = 1; 1350e9a7c414SMichael Ellerman } else if (*str == 'D') { 1351e9a7c414SMichael Ellerman pinned = 1; 1352ab608344SPeter Zijlstra } else 135361c45981SPaul Mackerras break; 1354ab608344SPeter Zijlstra 135561c45981SPaul Mackerras ++str; 135661c45981SPaul Mackerras } 135774d5b588SJaswinder Singh Rajput 135886470930SIngo Molnar /* 135989812fc8SJiri Olsa * precise ip: 136089812fc8SJiri Olsa * 136189812fc8SJiri Olsa * 0 - SAMPLE_IP can have arbitrary skid 136289812fc8SJiri Olsa * 1 - SAMPLE_IP must have constant skid 136389812fc8SJiri Olsa * 2 - SAMPLE_IP requested to have 0 skid 136489812fc8SJiri Olsa * 3 - SAMPLE_IP must have 0 skid 136589812fc8SJiri Olsa * 136689812fc8SJiri Olsa * See also PERF_RECORD_MISC_EXACT_IP 136786470930SIngo Molnar */ 136889812fc8SJiri Olsa if (precise > 3) 136989812fc8SJiri Olsa return -EINVAL; 137086470930SIngo Molnar 1371f5b1135bSJiri Olsa mod->eu = eu; 1372f5b1135bSJiri Olsa mod->ek = ek; 1373f5b1135bSJiri Olsa mod->eh = eh; 1374f5b1135bSJiri Olsa mod->eH = eH; 1375f5b1135bSJiri Olsa mod->eG = eG; 1376a1e12da4SJiri Olsa mod->eI = eI; 1377f5b1135bSJiri Olsa mod->precise = precise; 13787f94af7aSJiri Olsa mod->precise_max = precise_max; 1379f5b1135bSJiri Olsa mod->exclude_GH = exclude_GH; 13803c176311SJiri Olsa mod->sample_read = sample_read; 1381e9a7c414SMichael Ellerman mod->pinned = pinned; 1382e9a7c414SMichael Ellerman 1383f5b1135bSJiri Olsa return 0; 1384f5b1135bSJiri Olsa } 1385f5b1135bSJiri Olsa 1386534123f4SJiri Olsa /* 1387534123f4SJiri Olsa * Basic modifier sanity check to validate it contains only one 1388534123f4SJiri Olsa * instance of any modifier (apart from 'p') present. 1389534123f4SJiri Olsa */ 1390534123f4SJiri Olsa static int check_modifier(char *str) 1391534123f4SJiri Olsa { 1392534123f4SJiri Olsa char *p = str; 1393534123f4SJiri Olsa 1394534123f4SJiri Olsa /* The sizeof includes 0 byte as well. */ 13957f94af7aSJiri Olsa if (strlen(str) > (sizeof("ukhGHpppPSDI") - 1)) 1396534123f4SJiri Olsa return -1; 1397534123f4SJiri Olsa 1398534123f4SJiri Olsa while (*p) { 1399534123f4SJiri Olsa if (*p != 'p' && strchr(p + 1, *p)) 1400534123f4SJiri Olsa return -1; 1401534123f4SJiri Olsa p++; 1402534123f4SJiri Olsa } 1403534123f4SJiri Olsa 1404534123f4SJiri Olsa return 0; 1405534123f4SJiri Olsa } 1406534123f4SJiri Olsa 1407f5b1135bSJiri Olsa int parse_events__modifier_event(struct list_head *list, char *str, bool add) 1408f5b1135bSJiri Olsa { 1409f5b1135bSJiri Olsa struct perf_evsel *evsel; 1410f5b1135bSJiri Olsa struct event_modifier mod; 1411f5b1135bSJiri Olsa 1412f5b1135bSJiri Olsa if (str == NULL) 1413f5b1135bSJiri Olsa return 0; 1414f5b1135bSJiri Olsa 1415534123f4SJiri Olsa if (check_modifier(str)) 1416534123f4SJiri Olsa return -EINVAL; 1417534123f4SJiri Olsa 1418f5b1135bSJiri Olsa if (!add && get_event_modifier(&mod, str, NULL)) 1419f5b1135bSJiri Olsa return -EINVAL; 1420f5b1135bSJiri Olsa 1421e5cadb93SArnaldo Carvalho de Melo __evlist__for_each_entry(list, evsel) { 1422f5b1135bSJiri Olsa if (add && get_event_modifier(&mod, str, evsel)) 1423f5b1135bSJiri Olsa return -EINVAL; 1424f5b1135bSJiri Olsa 1425f5b1135bSJiri Olsa evsel->attr.exclude_user = mod.eu; 1426f5b1135bSJiri Olsa evsel->attr.exclude_kernel = mod.ek; 1427f5b1135bSJiri Olsa evsel->attr.exclude_hv = mod.eh; 1428f5b1135bSJiri Olsa evsel->attr.precise_ip = mod.precise; 1429f5b1135bSJiri Olsa evsel->attr.exclude_host = mod.eH; 1430f5b1135bSJiri Olsa evsel->attr.exclude_guest = mod.eG; 1431a1e12da4SJiri Olsa evsel->attr.exclude_idle = mod.eI; 1432f5b1135bSJiri Olsa evsel->exclude_GH = mod.exclude_GH; 14333c176311SJiri Olsa evsel->sample_read = mod.sample_read; 14347f94af7aSJiri Olsa evsel->precise_max = mod.precise_max; 1435e9a7c414SMichael Ellerman 1436e9a7c414SMichael Ellerman if (perf_evsel__is_group_leader(evsel)) 1437e9a7c414SMichael Ellerman evsel->attr.pinned = mod.pinned; 1438ceb53fbfSIngo Molnar } 143986470930SIngo Molnar 144089812fc8SJiri Olsa return 0; 144186470930SIngo Molnar } 144286470930SIngo Molnar 1443ac2ba9f3SRobert Richter int parse_events_name(struct list_head *list, char *name) 1444ac2ba9f3SRobert Richter { 1445ac2ba9f3SRobert Richter struct perf_evsel *evsel; 1446ac2ba9f3SRobert Richter 1447e5cadb93SArnaldo Carvalho de Melo __evlist__for_each_entry(list, evsel) { 1448ac2ba9f3SRobert Richter if (!evsel->name) 1449ac2ba9f3SRobert Richter evsel->name = strdup(name); 1450ac2ba9f3SRobert Richter } 1451ac2ba9f3SRobert Richter 1452ac2ba9f3SRobert Richter return 0; 1453ac2ba9f3SRobert Richter } 1454ac2ba9f3SRobert Richter 1455dcb4e102SKan Liang static int 1456dcb4e102SKan Liang comp_pmu(const void *p1, const void *p2) 1457dcb4e102SKan Liang { 1458dcb4e102SKan Liang struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; 1459dcb4e102SKan Liang struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; 1460dcb4e102SKan Liang 1461dcb4e102SKan Liang return strcmp(pmu1->symbol, pmu2->symbol); 1462dcb4e102SKan Liang } 1463dcb4e102SKan Liang 1464dcb4e102SKan Liang static void perf_pmu__parse_cleanup(void) 1465dcb4e102SKan Liang { 1466dcb4e102SKan Liang if (perf_pmu_events_list_num > 0) { 1467dcb4e102SKan Liang struct perf_pmu_event_symbol *p; 1468dcb4e102SKan Liang int i; 1469dcb4e102SKan Liang 1470dcb4e102SKan Liang for (i = 0; i < perf_pmu_events_list_num; i++) { 1471dcb4e102SKan Liang p = perf_pmu_events_list + i; 1472dcb4e102SKan Liang free(p->symbol); 1473dcb4e102SKan Liang } 1474dcb4e102SKan Liang free(perf_pmu_events_list); 1475dcb4e102SKan Liang perf_pmu_events_list = NULL; 1476dcb4e102SKan Liang perf_pmu_events_list_num = 0; 1477dcb4e102SKan Liang } 1478dcb4e102SKan Liang } 1479dcb4e102SKan Liang 1480dcb4e102SKan Liang #define SET_SYMBOL(str, stype) \ 1481dcb4e102SKan Liang do { \ 1482dcb4e102SKan Liang p->symbol = str; \ 1483dcb4e102SKan Liang if (!p->symbol) \ 1484dcb4e102SKan Liang goto err; \ 1485dcb4e102SKan Liang p->type = stype; \ 1486dcb4e102SKan Liang } while (0) 1487dcb4e102SKan Liang 1488dcb4e102SKan Liang /* 1489dcb4e102SKan Liang * Read the pmu events list from sysfs 1490dcb4e102SKan Liang * Save it into perf_pmu_events_list 1491dcb4e102SKan Liang */ 1492dcb4e102SKan Liang static void perf_pmu__parse_init(void) 1493dcb4e102SKan Liang { 1494dcb4e102SKan Liang 1495dcb4e102SKan Liang struct perf_pmu *pmu = NULL; 1496dcb4e102SKan Liang struct perf_pmu_alias *alias; 1497dcb4e102SKan Liang int len = 0; 1498dcb4e102SKan Liang 1499dcb4e102SKan Liang pmu = perf_pmu__find("cpu"); 1500dcb4e102SKan Liang if ((pmu == NULL) || list_empty(&pmu->aliases)) { 1501dcb4e102SKan Liang perf_pmu_events_list_num = -1; 1502dcb4e102SKan Liang return; 1503dcb4e102SKan Liang } 1504dcb4e102SKan Liang list_for_each_entry(alias, &pmu->aliases, list) { 1505dcb4e102SKan Liang if (strchr(alias->name, '-')) 1506dcb4e102SKan Liang len++; 1507dcb4e102SKan Liang len++; 1508dcb4e102SKan Liang } 1509dcb4e102SKan Liang perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); 1510dcb4e102SKan Liang if (!perf_pmu_events_list) 1511dcb4e102SKan Liang return; 1512dcb4e102SKan Liang perf_pmu_events_list_num = len; 1513dcb4e102SKan Liang 1514dcb4e102SKan Liang len = 0; 1515dcb4e102SKan Liang list_for_each_entry(alias, &pmu->aliases, list) { 1516dcb4e102SKan Liang struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; 1517dcb4e102SKan Liang char *tmp = strchr(alias->name, '-'); 1518dcb4e102SKan Liang 1519dcb4e102SKan Liang if (tmp != NULL) { 1520dcb4e102SKan Liang SET_SYMBOL(strndup(alias->name, tmp - alias->name), 1521dcb4e102SKan Liang PMU_EVENT_SYMBOL_PREFIX); 1522dcb4e102SKan Liang p++; 1523dcb4e102SKan Liang SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); 1524dcb4e102SKan Liang len += 2; 1525dcb4e102SKan Liang } else { 1526dcb4e102SKan Liang SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); 1527dcb4e102SKan Liang len++; 1528dcb4e102SKan Liang } 1529dcb4e102SKan Liang } 1530dcb4e102SKan Liang qsort(perf_pmu_events_list, len, 1531dcb4e102SKan Liang sizeof(struct perf_pmu_event_symbol), comp_pmu); 1532dcb4e102SKan Liang 1533dcb4e102SKan Liang return; 1534dcb4e102SKan Liang err: 1535dcb4e102SKan Liang perf_pmu__parse_cleanup(); 1536dcb4e102SKan Liang } 1537dcb4e102SKan Liang 1538dcb4e102SKan Liang enum perf_pmu_event_symbol_type 1539dcb4e102SKan Liang perf_pmu__parse_check(const char *name) 1540dcb4e102SKan Liang { 1541dcb4e102SKan Liang struct perf_pmu_event_symbol p, *r; 1542dcb4e102SKan Liang 1543dcb4e102SKan Liang /* scan kernel pmu events from sysfs if needed */ 1544dcb4e102SKan Liang if (perf_pmu_events_list_num == 0) 1545dcb4e102SKan Liang perf_pmu__parse_init(); 1546dcb4e102SKan Liang /* 1547dcb4e102SKan Liang * name "cpu" could be prefix of cpu-cycles or cpu// events. 1548dcb4e102SKan Liang * cpu-cycles has been handled by hardcode. 1549dcb4e102SKan Liang * So it must be cpu// events, not kernel pmu event. 1550dcb4e102SKan Liang */ 1551dcb4e102SKan Liang if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) 1552dcb4e102SKan Liang return PMU_EVENT_SYMBOL_ERR; 1553dcb4e102SKan Liang 1554dcb4e102SKan Liang p.symbol = strdup(name); 1555dcb4e102SKan Liang r = bsearch(&p, perf_pmu_events_list, 1556dcb4e102SKan Liang (size_t) perf_pmu_events_list_num, 1557dcb4e102SKan Liang sizeof(struct perf_pmu_event_symbol), comp_pmu); 1558dcb4e102SKan Liang free(p.symbol); 1559dcb4e102SKan Liang return r ? r->type : PMU_EVENT_SYMBOL_ERR; 1560dcb4e102SKan Liang } 1561dcb4e102SKan Liang 156290e2b22dSJiri Olsa static int parse_events__scanner(const char *str, void *data, int start_token) 1563ac20de6fSZheng Yan { 1564ac20de6fSZheng Yan YY_BUFFER_STATE buffer; 1565ac20de6fSZheng Yan void *scanner; 1566ac20de6fSZheng Yan int ret; 1567ac20de6fSZheng Yan 156890e2b22dSJiri Olsa ret = parse_events_lex_init_extra(start_token, &scanner); 1569ac20de6fSZheng Yan if (ret) 1570ac20de6fSZheng Yan return ret; 1571ac20de6fSZheng Yan 1572ac20de6fSZheng Yan buffer = parse_events__scan_string(str, scanner); 1573ac20de6fSZheng Yan 1574ac20de6fSZheng Yan #ifdef PARSER_DEBUG 1575ac20de6fSZheng Yan parse_events_debug = 1; 1576ac20de6fSZheng Yan #endif 1577ac20de6fSZheng Yan ret = parse_events_parse(data, scanner); 1578ac20de6fSZheng Yan 1579ac20de6fSZheng Yan parse_events__flush_buffer(buffer, scanner); 1580ac20de6fSZheng Yan parse_events__delete_buffer(buffer, scanner); 1581ac20de6fSZheng Yan parse_events_lex_destroy(scanner); 1582ac20de6fSZheng Yan return ret; 1583ac20de6fSZheng Yan } 1584ac20de6fSZheng Yan 158590e2b22dSJiri Olsa /* 158690e2b22dSJiri Olsa * parse event config string, return a list of event terms. 158790e2b22dSJiri Olsa */ 158890e2b22dSJiri Olsa int parse_events_terms(struct list_head *terms, const char *str) 158990e2b22dSJiri Olsa { 159023b6339bSArnaldo Carvalho de Melo struct parse_events_terms data = { 159190e2b22dSJiri Olsa .terms = NULL, 159290e2b22dSJiri Olsa }; 159390e2b22dSJiri Olsa int ret; 159490e2b22dSJiri Olsa 159590e2b22dSJiri Olsa ret = parse_events__scanner(str, &data, PE_START_TERMS); 159690e2b22dSJiri Olsa if (!ret) { 159790e2b22dSJiri Olsa list_splice(data.terms, terms); 159874cf249dSArnaldo Carvalho de Melo zfree(&data.terms); 159990e2b22dSJiri Olsa return 0; 160090e2b22dSJiri Olsa } 160190e2b22dSJiri Olsa 16022146afc6SArnaldo Carvalho de Melo parse_events_terms__delete(data.terms); 160390e2b22dSJiri Olsa return ret; 160490e2b22dSJiri Olsa } 160590e2b22dSJiri Olsa 1606b39b8393SJiri Olsa int parse_events(struct perf_evlist *evlist, const char *str, 1607b39b8393SJiri Olsa struct parse_events_error *err) 160886470930SIngo Molnar { 160923b6339bSArnaldo Carvalho de Melo struct parse_events_evlist data = { 161046010ab2SJiri Olsa .list = LIST_HEAD_INIT(data.list), 161146010ab2SJiri Olsa .idx = evlist->nr_entries, 1612b39b8393SJiri Olsa .error = err, 16137630b3e2SWang Nan .evlist = evlist, 161446010ab2SJiri Olsa }; 161546010ab2SJiri Olsa int ret; 161686470930SIngo Molnar 161790e2b22dSJiri Olsa ret = parse_events__scanner(str, &data, PE_START_EVENTS); 1618dcb4e102SKan Liang perf_pmu__parse_cleanup(); 161989812fc8SJiri Olsa if (!ret) { 162015bfd2ccSWang Nan struct perf_evsel *last; 162115bfd2ccSWang Nan 1622854f7363SWang Nan if (list_empty(&data.list)) { 1623854f7363SWang Nan WARN_ONCE(true, "WARNING: event parser found nothing"); 1624854f7363SWang Nan return -1; 1625854f7363SWang Nan } 1626854f7363SWang Nan 1627f114d6efSAdrian Hunter perf_evlist__splice_list_tail(evlist, &data.list); 162897f63e4aSNamhyung Kim evlist->nr_groups += data.nr_groups; 162915bfd2ccSWang Nan last = perf_evlist__last(evlist); 163015bfd2ccSWang Nan last->cmdline_group_boundary = true; 163115bfd2ccSWang Nan 163286470930SIngo Molnar return 0; 163386470930SIngo Molnar } 163486470930SIngo Molnar 16355d7be90eSJiri Olsa /* 16365d7be90eSJiri Olsa * There are 2 users - builtin-record and builtin-test objects. 16375d7be90eSJiri Olsa * Both call perf_evlist__delete in case of error, so we dont 16385d7be90eSJiri Olsa * need to bother. 16395d7be90eSJiri Olsa */ 164089812fc8SJiri Olsa return ret; 164189812fc8SJiri Olsa } 164289812fc8SJiri Olsa 1643b39b8393SJiri Olsa #define MAX_WIDTH 1000 1644b39b8393SJiri Olsa static int get_term_width(void) 1645b39b8393SJiri Olsa { 1646b39b8393SJiri Olsa struct winsize ws; 1647b39b8393SJiri Olsa 1648b39b8393SJiri Olsa get_term_dimensions(&ws); 1649b39b8393SJiri Olsa return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; 1650b39b8393SJiri Olsa } 1651b39b8393SJiri Olsa 1652b39b8393SJiri Olsa static void parse_events_print_error(struct parse_events_error *err, 1653b39b8393SJiri Olsa const char *event) 1654b39b8393SJiri Olsa { 1655b39b8393SJiri Olsa const char *str = "invalid or unsupported event: "; 1656b39b8393SJiri Olsa char _buf[MAX_WIDTH]; 1657b39b8393SJiri Olsa char *buf = (char *) event; 1658b39b8393SJiri Olsa int idx = 0; 1659b39b8393SJiri Olsa 1660b39b8393SJiri Olsa if (err->str) { 1661b39b8393SJiri Olsa /* -2 for extra '' in the final fprintf */ 1662b39b8393SJiri Olsa int width = get_term_width() - 2; 1663b39b8393SJiri Olsa int len_event = strlen(event); 1664b39b8393SJiri Olsa int len_str, max_len, cut = 0; 1665b39b8393SJiri Olsa 1666b39b8393SJiri Olsa /* 1667b39b8393SJiri Olsa * Maximum error index indent, we will cut 1668b39b8393SJiri Olsa * the event string if it's bigger. 1669b39b8393SJiri Olsa */ 1670141b2d31SAdrian Hunter int max_err_idx = 13; 1671b39b8393SJiri Olsa 1672b39b8393SJiri Olsa /* 1673b39b8393SJiri Olsa * Let's be specific with the message when 1674b39b8393SJiri Olsa * we have the precise error. 1675b39b8393SJiri Olsa */ 1676b39b8393SJiri Olsa str = "event syntax error: "; 1677b39b8393SJiri Olsa len_str = strlen(str); 1678b39b8393SJiri Olsa max_len = width - len_str; 1679b39b8393SJiri Olsa 1680b39b8393SJiri Olsa buf = _buf; 1681b39b8393SJiri Olsa 1682bd1a0be5SAdam Buchbinder /* We're cutting from the beginning. */ 1683b39b8393SJiri Olsa if (err->idx > max_err_idx) 1684b39b8393SJiri Olsa cut = err->idx - max_err_idx; 1685b39b8393SJiri Olsa 1686b39b8393SJiri Olsa strncpy(buf, event + cut, max_len); 1687b39b8393SJiri Olsa 1688b39b8393SJiri Olsa /* Mark cut parts with '..' on both sides. */ 1689b39b8393SJiri Olsa if (cut) 1690b39b8393SJiri Olsa buf[0] = buf[1] = '.'; 1691b39b8393SJiri Olsa 1692b39b8393SJiri Olsa if ((len_event - cut) > max_len) { 1693b39b8393SJiri Olsa buf[max_len - 1] = buf[max_len - 2] = '.'; 1694b39b8393SJiri Olsa buf[max_len] = 0; 1695b39b8393SJiri Olsa } 1696b39b8393SJiri Olsa 1697b39b8393SJiri Olsa idx = len_str + err->idx - cut; 1698b39b8393SJiri Olsa } 1699b39b8393SJiri Olsa 1700b39b8393SJiri Olsa fprintf(stderr, "%s'%s'\n", str, buf); 1701b39b8393SJiri Olsa if (idx) { 1702b39b8393SJiri Olsa fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err->str); 1703b39b8393SJiri Olsa if (err->help) 1704b39b8393SJiri Olsa fprintf(stderr, "\n%s\n", err->help); 1705b39b8393SJiri Olsa free(err->str); 1706b39b8393SJiri Olsa free(err->help); 1707b39b8393SJiri Olsa } 1708b39b8393SJiri Olsa 1709b39b8393SJiri Olsa fprintf(stderr, "Run 'perf list' for a list of valid events\n"); 1710b39b8393SJiri Olsa } 1711b39b8393SJiri Olsa 1712b39b8393SJiri Olsa #undef MAX_WIDTH 1713b39b8393SJiri Olsa 1714f120f9d5SJiri Olsa int parse_events_option(const struct option *opt, const char *str, 17151d037ca1SIrina Tirdea int unset __maybe_unused) 1716f120f9d5SJiri Olsa { 1717f120f9d5SJiri Olsa struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 1718b39b8393SJiri Olsa struct parse_events_error err = { .idx = 0, }; 1719b39b8393SJiri Olsa int ret = parse_events(evlist, str, &err); 17209175ce1fSAndi Kleen 1721b39b8393SJiri Olsa if (ret) 1722b39b8393SJiri Olsa parse_events_print_error(&err, str); 1723b39b8393SJiri Olsa 17249175ce1fSAndi Kleen return ret; 1725f120f9d5SJiri Olsa } 1726f120f9d5SJiri Olsa 17274ba1faa1SWang Nan static int 17284ba1faa1SWang Nan foreach_evsel_in_last_glob(struct perf_evlist *evlist, 17294ba1faa1SWang Nan int (*func)(struct perf_evsel *evsel, 17304ba1faa1SWang Nan const void *arg), 17314ba1faa1SWang Nan const void *arg) 1732c171b552SLi Zefan { 173369aad6f1SArnaldo Carvalho de Melo struct perf_evsel *last = NULL; 17344ba1faa1SWang Nan int err; 1735c171b552SLi Zefan 1736854f7363SWang Nan /* 1737854f7363SWang Nan * Don't return when list_empty, give func a chance to report 1738854f7363SWang Nan * error when it found last == NULL. 1739854f7363SWang Nan * 1740854f7363SWang Nan * So no need to WARN here, let *func do this. 1741854f7363SWang Nan */ 1742361c99a6SArnaldo Carvalho de Melo if (evlist->nr_entries > 0) 17430c21f736SArnaldo Carvalho de Melo last = perf_evlist__last(evlist); 174469aad6f1SArnaldo Carvalho de Melo 174515bfd2ccSWang Nan do { 17464ba1faa1SWang Nan err = (*func)(last, arg); 17474ba1faa1SWang Nan if (err) 1748c171b552SLi Zefan return -1; 17494ba1faa1SWang Nan if (!last) 17504ba1faa1SWang Nan return 0; 1751c171b552SLi Zefan 175215bfd2ccSWang Nan if (last->node.prev == &evlist->entries) 175315bfd2ccSWang Nan return 0; 175415bfd2ccSWang Nan last = list_entry(last->node.prev, struct perf_evsel, node); 175515bfd2ccSWang Nan } while (!last->cmdline_group_boundary); 175615bfd2ccSWang Nan 1757c171b552SLi Zefan return 0; 1758c171b552SLi Zefan } 1759c171b552SLi Zefan 17604ba1faa1SWang Nan static int set_filter(struct perf_evsel *evsel, const void *arg) 17614ba1faa1SWang Nan { 17624ba1faa1SWang Nan const char *str = arg; 17631e857484SMathieu Poirier bool found = false; 17641e857484SMathieu Poirier int nr_addr_filters = 0; 17651e857484SMathieu Poirier struct perf_pmu *pmu = NULL; 17664ba1faa1SWang Nan 17671e857484SMathieu Poirier if (evsel == NULL) 17681e857484SMathieu Poirier goto err; 17694ba1faa1SWang Nan 17701e857484SMathieu Poirier if (evsel->attr.type == PERF_TYPE_TRACEPOINT) { 17713541c034SMathieu Poirier if (perf_evsel__append_tp_filter(evsel, str) < 0) { 17724ba1faa1SWang Nan fprintf(stderr, 17734ba1faa1SWang Nan "not enough memory to hold filter string\n"); 17744ba1faa1SWang Nan return -1; 17754ba1faa1SWang Nan } 17764ba1faa1SWang Nan 17774ba1faa1SWang Nan return 0; 17784ba1faa1SWang Nan } 17794ba1faa1SWang Nan 17801e857484SMathieu Poirier while ((pmu = perf_pmu__scan(pmu)) != NULL) 17811e857484SMathieu Poirier if (pmu->type == evsel->attr.type) { 17821e857484SMathieu Poirier found = true; 17831e857484SMathieu Poirier break; 17841e857484SMathieu Poirier } 17851e857484SMathieu Poirier 17861e857484SMathieu Poirier if (found) 17871e857484SMathieu Poirier perf_pmu__scan_file(pmu, "nr_addr_filters", 17881e857484SMathieu Poirier "%d", &nr_addr_filters); 17891e857484SMathieu Poirier 17901e857484SMathieu Poirier if (!nr_addr_filters) 17911e857484SMathieu Poirier goto err; 17921e857484SMathieu Poirier 17931e857484SMathieu Poirier if (perf_evsel__append_addr_filter(evsel, str) < 0) { 17941e857484SMathieu Poirier fprintf(stderr, 17951e857484SMathieu Poirier "not enough memory to hold filter string\n"); 17961e857484SMathieu Poirier return -1; 17971e857484SMathieu Poirier } 17981e857484SMathieu Poirier 17991e857484SMathieu Poirier return 0; 18001e857484SMathieu Poirier 18011e857484SMathieu Poirier err: 18021e857484SMathieu Poirier fprintf(stderr, 18031e857484SMathieu Poirier "--filter option should follow a -e tracepoint or HW tracer option\n"); 18041e857484SMathieu Poirier 18051e857484SMathieu Poirier return -1; 18061e857484SMathieu Poirier } 18071e857484SMathieu Poirier 18084ba1faa1SWang Nan int parse_filter(const struct option *opt, const char *str, 18094ba1faa1SWang Nan int unset __maybe_unused) 18104ba1faa1SWang Nan { 18114ba1faa1SWang Nan struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 18124ba1faa1SWang Nan 18134ba1faa1SWang Nan return foreach_evsel_in_last_glob(evlist, set_filter, 18144ba1faa1SWang Nan (const void *)str); 18154ba1faa1SWang Nan } 18164ba1faa1SWang Nan 18174ba1faa1SWang Nan static int add_exclude_perf_filter(struct perf_evsel *evsel, 18184ba1faa1SWang Nan const void *arg __maybe_unused) 18194ba1faa1SWang Nan { 18204ba1faa1SWang Nan char new_filter[64]; 18214ba1faa1SWang Nan 18224ba1faa1SWang Nan if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { 18234ba1faa1SWang Nan fprintf(stderr, 18244ba1faa1SWang Nan "--exclude-perf option should follow a -e tracepoint option\n"); 18254ba1faa1SWang Nan return -1; 18264ba1faa1SWang Nan } 18274ba1faa1SWang Nan 18284ba1faa1SWang Nan snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid()); 18294ba1faa1SWang Nan 18303541c034SMathieu Poirier if (perf_evsel__append_tp_filter(evsel, new_filter) < 0) { 18314ba1faa1SWang Nan fprintf(stderr, 18324ba1faa1SWang Nan "not enough memory to hold filter string\n"); 18334ba1faa1SWang Nan return -1; 18344ba1faa1SWang Nan } 18354ba1faa1SWang Nan 18364ba1faa1SWang Nan return 0; 18374ba1faa1SWang Nan } 18384ba1faa1SWang Nan 18394ba1faa1SWang Nan int exclude_perf(const struct option *opt, 18404ba1faa1SWang Nan const char *arg __maybe_unused, 18414ba1faa1SWang Nan int unset __maybe_unused) 18424ba1faa1SWang Nan { 18434ba1faa1SWang Nan struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 18444ba1faa1SWang Nan 18454ba1faa1SWang Nan return foreach_evsel_in_last_glob(evlist, add_exclude_perf_filter, 18464ba1faa1SWang Nan NULL); 18474ba1faa1SWang Nan } 18484ba1faa1SWang Nan 184986470930SIngo Molnar static const char * const event_type_descriptors[] = { 185086470930SIngo Molnar "Hardware event", 185186470930SIngo Molnar "Software event", 185286470930SIngo Molnar "Tracepoint event", 185386470930SIngo Molnar "Hardware cache event", 185441bdcb23SLiming Wang "Raw hardware event descriptor", 185541bdcb23SLiming Wang "Hardware breakpoint", 185686470930SIngo Molnar }; 185786470930SIngo Molnar 1858ab0e4800SYunlong Song static int cmp_string(const void *a, const void *b) 1859ab0e4800SYunlong Song { 1860ab0e4800SYunlong Song const char * const *as = a; 1861ab0e4800SYunlong Song const char * const *bs = b; 1862ab0e4800SYunlong Song 1863ab0e4800SYunlong Song return strcmp(*as, *bs); 1864ab0e4800SYunlong Song } 1865ab0e4800SYunlong Song 186686470930SIngo Molnar /* 1867f6bdafefSJason Baron * Print the events from <debugfs_mount_point>/tracing/events 1868f6bdafefSJason Baron */ 1869f6bdafefSJason Baron 1870a3277d2dSFrederic Weisbecker void print_tracepoint_events(const char *subsys_glob, const char *event_glob, 1871a3277d2dSFrederic Weisbecker bool name_only) 1872f6bdafefSJason Baron { 1873f6bdafefSJason Baron DIR *sys_dir, *evt_dir; 187422a9f41bSArnaldo Carvalho de Melo struct dirent *sys_dirent, *evt_dirent; 1875f6bdafefSJason Baron char evt_path[MAXPATHLEN]; 1876725b1368SEric Dumazet char dir_path[MAXPATHLEN]; 1877ab0e4800SYunlong Song char **evt_list = NULL; 1878ab0e4800SYunlong Song unsigned int evt_i = 0, evt_num = 0; 1879ab0e4800SYunlong Song bool evt_num_known = false; 1880f6bdafefSJason Baron 1881ab0e4800SYunlong Song restart: 1882ebf294bfSArnaldo Carvalho de Melo sys_dir = opendir(tracing_events_path); 1883f6bdafefSJason Baron if (!sys_dir) 1884725b1368SEric Dumazet return; 1885f6bdafefSJason Baron 1886ab0e4800SYunlong Song if (evt_num_known) { 1887ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 1888ab0e4800SYunlong Song if (!evt_list) 1889ab0e4800SYunlong Song goto out_close_sys_dir; 1890ab0e4800SYunlong Song } 1891ab0e4800SYunlong Song 189222a9f41bSArnaldo Carvalho de Melo for_each_subsystem(sys_dir, sys_dirent) { 1893668b8788SArnaldo Carvalho de Melo if (subsys_glob != NULL && 189422a9f41bSArnaldo Carvalho de Melo !strglobmatch(sys_dirent->d_name, subsys_glob)) 1895668b8788SArnaldo Carvalho de Melo continue; 1896725b1368SEric Dumazet 1897ebf294bfSArnaldo Carvalho de Melo snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, 189822a9f41bSArnaldo Carvalho de Melo sys_dirent->d_name); 1899725b1368SEric Dumazet evt_dir = opendir(dir_path); 1900725b1368SEric Dumazet if (!evt_dir) 19016b58e7f1SUlrich Drepper continue; 1902725b1368SEric Dumazet 190322a9f41bSArnaldo Carvalho de Melo for_each_event(sys_dirent, evt_dir, evt_dirent) { 1904668b8788SArnaldo Carvalho de Melo if (event_glob != NULL && 190522a9f41bSArnaldo Carvalho de Melo !strglobmatch(evt_dirent->d_name, event_glob)) 1906668b8788SArnaldo Carvalho de Melo continue; 1907668b8788SArnaldo Carvalho de Melo 1908ab0e4800SYunlong Song if (!evt_num_known) { 1909ab0e4800SYunlong Song evt_num++; 1910a3277d2dSFrederic Weisbecker continue; 1911a3277d2dSFrederic Weisbecker } 1912a3277d2dSFrederic Weisbecker 1913f6bdafefSJason Baron snprintf(evt_path, MAXPATHLEN, "%s:%s", 191422a9f41bSArnaldo Carvalho de Melo sys_dirent->d_name, evt_dirent->d_name); 1915ab0e4800SYunlong Song 1916ab0e4800SYunlong Song evt_list[evt_i] = strdup(evt_path); 1917ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 1918ab0e4800SYunlong Song goto out_close_evt_dir; 1919ab0e4800SYunlong Song evt_i++; 1920f6bdafefSJason Baron } 1921f6bdafefSJason Baron closedir(evt_dir); 1922f6bdafefSJason Baron } 1923f6bdafefSJason Baron closedir(sys_dir); 1924ab0e4800SYunlong Song 1925ab0e4800SYunlong Song if (!evt_num_known) { 1926ab0e4800SYunlong Song evt_num_known = true; 1927ab0e4800SYunlong Song goto restart; 1928ab0e4800SYunlong Song } 1929ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 1930ab0e4800SYunlong Song evt_i = 0; 1931ab0e4800SYunlong Song while (evt_i < evt_num) { 1932ab0e4800SYunlong Song if (name_only) { 1933ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 1934ab0e4800SYunlong Song continue; 1935ab0e4800SYunlong Song } 1936ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], 1937ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_TRACEPOINT]); 1938ab0e4800SYunlong Song } 1939dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 1940ab0e4800SYunlong Song printf("\n"); 1941ab0e4800SYunlong Song 1942ab0e4800SYunlong Song out_free: 1943ab0e4800SYunlong Song evt_num = evt_i; 1944ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 1945ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 1946ab0e4800SYunlong Song zfree(&evt_list); 1947ab0e4800SYunlong Song return; 1948ab0e4800SYunlong Song 1949ab0e4800SYunlong Song out_close_evt_dir: 1950ab0e4800SYunlong Song closedir(evt_dir); 1951ab0e4800SYunlong Song out_close_sys_dir: 1952ab0e4800SYunlong Song closedir(sys_dir); 1953ab0e4800SYunlong Song 1954ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", 1955ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_TRACEPOINT]); 1956ab0e4800SYunlong Song if (evt_list) 1957ab0e4800SYunlong Song goto out_free; 1958f6bdafefSJason Baron } 1959f6bdafefSJason Baron 1960f6bdafefSJason Baron /* 196120c457b8SThomas Renninger * Check whether event is in <debugfs_mount_point>/tracing/events 196220c457b8SThomas Renninger */ 196320c457b8SThomas Renninger 196420c457b8SThomas Renninger int is_valid_tracepoint(const char *event_string) 196520c457b8SThomas Renninger { 196620c457b8SThomas Renninger DIR *sys_dir, *evt_dir; 196722a9f41bSArnaldo Carvalho de Melo struct dirent *sys_dirent, *evt_dirent; 196820c457b8SThomas Renninger char evt_path[MAXPATHLEN]; 196920c457b8SThomas Renninger char dir_path[MAXPATHLEN]; 197020c457b8SThomas Renninger 1971ebf294bfSArnaldo Carvalho de Melo sys_dir = opendir(tracing_events_path); 197220c457b8SThomas Renninger if (!sys_dir) 197320c457b8SThomas Renninger return 0; 197420c457b8SThomas Renninger 197522a9f41bSArnaldo Carvalho de Melo for_each_subsystem(sys_dir, sys_dirent) { 197620c457b8SThomas Renninger 1977ebf294bfSArnaldo Carvalho de Melo snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, 197822a9f41bSArnaldo Carvalho de Melo sys_dirent->d_name); 197920c457b8SThomas Renninger evt_dir = opendir(dir_path); 198020c457b8SThomas Renninger if (!evt_dir) 198120c457b8SThomas Renninger continue; 198220c457b8SThomas Renninger 198322a9f41bSArnaldo Carvalho de Melo for_each_event(sys_dirent, evt_dir, evt_dirent) { 198420c457b8SThomas Renninger snprintf(evt_path, MAXPATHLEN, "%s:%s", 198522a9f41bSArnaldo Carvalho de Melo sys_dirent->d_name, evt_dirent->d_name); 198620c457b8SThomas Renninger if (!strcmp(evt_path, event_string)) { 198720c457b8SThomas Renninger closedir(evt_dir); 198820c457b8SThomas Renninger closedir(sys_dir); 198920c457b8SThomas Renninger return 1; 199020c457b8SThomas Renninger } 199120c457b8SThomas Renninger } 199220c457b8SThomas Renninger closedir(evt_dir); 199320c457b8SThomas Renninger } 199420c457b8SThomas Renninger closedir(sys_dir); 199520c457b8SThomas Renninger return 0; 199620c457b8SThomas Renninger } 199720c457b8SThomas Renninger 1998b41f1cecSNamhyung Kim static bool is_event_supported(u8 type, unsigned config) 1999b41f1cecSNamhyung Kim { 2000b41f1cecSNamhyung Kim bool ret = true; 200188fee52eSVince Weaver int open_return; 2002b41f1cecSNamhyung Kim struct perf_evsel *evsel; 2003b41f1cecSNamhyung Kim struct perf_event_attr attr = { 2004b41f1cecSNamhyung Kim .type = type, 2005b41f1cecSNamhyung Kim .config = config, 2006b41f1cecSNamhyung Kim .disabled = 1, 2007b41f1cecSNamhyung Kim }; 2008b41f1cecSNamhyung Kim struct { 2009b41f1cecSNamhyung Kim struct thread_map map; 2010b41f1cecSNamhyung Kim int threads[1]; 2011b41f1cecSNamhyung Kim } tmap = { 2012b41f1cecSNamhyung Kim .map.nr = 1, 2013b41f1cecSNamhyung Kim .threads = { 0 }, 2014b41f1cecSNamhyung Kim }; 2015b41f1cecSNamhyung Kim 2016ef503831SArnaldo Carvalho de Melo evsel = perf_evsel__new(&attr); 2017b41f1cecSNamhyung Kim if (evsel) { 201888fee52eSVince Weaver open_return = perf_evsel__open(evsel, NULL, &tmap.map); 201988fee52eSVince Weaver ret = open_return >= 0; 202088fee52eSVince Weaver 202188fee52eSVince Weaver if (open_return == -EACCES) { 202288fee52eSVince Weaver /* 202388fee52eSVince Weaver * This happens if the paranoid value 202488fee52eSVince Weaver * /proc/sys/kernel/perf_event_paranoid is set to 2 202588fee52eSVince Weaver * Re-run with exclude_kernel set; we don't do that 202688fee52eSVince Weaver * by default as some ARM machines do not support it. 202788fee52eSVince Weaver * 202888fee52eSVince Weaver */ 202988fee52eSVince Weaver evsel->attr.exclude_kernel = 1; 2030b41f1cecSNamhyung Kim ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; 203188fee52eSVince Weaver } 2032b41f1cecSNamhyung Kim perf_evsel__delete(evsel); 2033b41f1cecSNamhyung Kim } 2034b41f1cecSNamhyung Kim 2035b41f1cecSNamhyung Kim return ret; 2036b41f1cecSNamhyung Kim } 2037b41f1cecSNamhyung Kim 203840218daeSMasami Hiramatsu void print_sdt_events(const char *subsys_glob, const char *event_glob, 203940218daeSMasami Hiramatsu bool name_only) 204040218daeSMasami Hiramatsu { 204140218daeSMasami Hiramatsu struct probe_cache *pcache; 204240218daeSMasami Hiramatsu struct probe_cache_entry *ent; 204340218daeSMasami Hiramatsu struct strlist *bidlist, *sdtlist; 204440218daeSMasami Hiramatsu struct strlist_config cfg = {.dont_dupstr = true}; 204540218daeSMasami Hiramatsu struct str_node *nd, *nd2; 204640218daeSMasami Hiramatsu char *buf, *path, *ptr = NULL; 204740218daeSMasami Hiramatsu bool show_detail = false; 204840218daeSMasami Hiramatsu int ret; 204940218daeSMasami Hiramatsu 205040218daeSMasami Hiramatsu sdtlist = strlist__new(NULL, &cfg); 205140218daeSMasami Hiramatsu if (!sdtlist) { 205240218daeSMasami Hiramatsu pr_debug("Failed to allocate new strlist for SDT\n"); 205340218daeSMasami Hiramatsu return; 205440218daeSMasami Hiramatsu } 205540218daeSMasami Hiramatsu bidlist = build_id_cache__list_all(true); 205640218daeSMasami Hiramatsu if (!bidlist) { 205740218daeSMasami Hiramatsu pr_debug("Failed to get buildids: %d\n", errno); 205840218daeSMasami Hiramatsu return; 205940218daeSMasami Hiramatsu } 206040218daeSMasami Hiramatsu strlist__for_each_entry(nd, bidlist) { 206140218daeSMasami Hiramatsu pcache = probe_cache__new(nd->s); 206240218daeSMasami Hiramatsu if (!pcache) 206340218daeSMasami Hiramatsu continue; 206440218daeSMasami Hiramatsu list_for_each_entry(ent, &pcache->entries, node) { 206540218daeSMasami Hiramatsu if (!ent->sdt) 206640218daeSMasami Hiramatsu continue; 206740218daeSMasami Hiramatsu if (subsys_glob && 206840218daeSMasami Hiramatsu !strglobmatch(ent->pev.group, subsys_glob)) 206940218daeSMasami Hiramatsu continue; 207040218daeSMasami Hiramatsu if (event_glob && 207140218daeSMasami Hiramatsu !strglobmatch(ent->pev.event, event_glob)) 207240218daeSMasami Hiramatsu continue; 207340218daeSMasami Hiramatsu ret = asprintf(&buf, "%s:%s@%s", ent->pev.group, 207440218daeSMasami Hiramatsu ent->pev.event, nd->s); 207540218daeSMasami Hiramatsu if (ret > 0) 207640218daeSMasami Hiramatsu strlist__add(sdtlist, buf); 207740218daeSMasami Hiramatsu } 207840218daeSMasami Hiramatsu probe_cache__delete(pcache); 207940218daeSMasami Hiramatsu } 208040218daeSMasami Hiramatsu strlist__delete(bidlist); 208140218daeSMasami Hiramatsu 208240218daeSMasami Hiramatsu strlist__for_each_entry(nd, sdtlist) { 208340218daeSMasami Hiramatsu buf = strchr(nd->s, '@'); 208440218daeSMasami Hiramatsu if (buf) 208540218daeSMasami Hiramatsu *(buf++) = '\0'; 208640218daeSMasami Hiramatsu if (name_only) { 208740218daeSMasami Hiramatsu printf("%s ", nd->s); 208840218daeSMasami Hiramatsu continue; 208940218daeSMasami Hiramatsu } 209040218daeSMasami Hiramatsu nd2 = strlist__next(nd); 209140218daeSMasami Hiramatsu if (nd2) { 209240218daeSMasami Hiramatsu ptr = strchr(nd2->s, '@'); 209340218daeSMasami Hiramatsu if (ptr) 209440218daeSMasami Hiramatsu *ptr = '\0'; 209540218daeSMasami Hiramatsu if (strcmp(nd->s, nd2->s) == 0) 209640218daeSMasami Hiramatsu show_detail = true; 209740218daeSMasami Hiramatsu } 209840218daeSMasami Hiramatsu if (show_detail) { 209940218daeSMasami Hiramatsu path = build_id_cache__origname(buf); 210040218daeSMasami Hiramatsu ret = asprintf(&buf, "%s@%s(%.12s)", nd->s, path, buf); 210140218daeSMasami Hiramatsu if (ret > 0) { 210240218daeSMasami Hiramatsu printf(" %-50s [%s]\n", buf, "SDT event"); 210340218daeSMasami Hiramatsu free(buf); 210440218daeSMasami Hiramatsu } 210540218daeSMasami Hiramatsu } else 210640218daeSMasami Hiramatsu printf(" %-50s [%s]\n", nd->s, "SDT event"); 210740218daeSMasami Hiramatsu if (nd2) { 210840218daeSMasami Hiramatsu if (strcmp(nd->s, nd2->s) != 0) 210940218daeSMasami Hiramatsu show_detail = false; 211040218daeSMasami Hiramatsu if (ptr) 211140218daeSMasami Hiramatsu *ptr = '@'; 211240218daeSMasami Hiramatsu } 211340218daeSMasami Hiramatsu } 211440218daeSMasami Hiramatsu strlist__delete(sdtlist); 211540218daeSMasami Hiramatsu } 211640218daeSMasami Hiramatsu 2117a3277d2dSFrederic Weisbecker int print_hwcache_events(const char *event_glob, bool name_only) 2118668b8788SArnaldo Carvalho de Melo { 2119ab0e4800SYunlong Song unsigned int type, op, i, evt_i = 0, evt_num = 0; 21200b668bc9SArnaldo Carvalho de Melo char name[64]; 2121ab0e4800SYunlong Song char **evt_list = NULL; 2122ab0e4800SYunlong Song bool evt_num_known = false; 2123ab0e4800SYunlong Song 2124ab0e4800SYunlong Song restart: 2125ab0e4800SYunlong Song if (evt_num_known) { 2126ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 2127ab0e4800SYunlong Song if (!evt_list) 2128ab0e4800SYunlong Song goto out_enomem; 2129ab0e4800SYunlong Song } 2130668b8788SArnaldo Carvalho de Melo 2131668b8788SArnaldo Carvalho de Melo for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { 2132668b8788SArnaldo Carvalho de Melo for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { 2133668b8788SArnaldo Carvalho de Melo /* skip invalid cache type */ 21340b668bc9SArnaldo Carvalho de Melo if (!perf_evsel__is_cache_op_valid(type, op)) 2135668b8788SArnaldo Carvalho de Melo continue; 2136668b8788SArnaldo Carvalho de Melo 2137668b8788SArnaldo Carvalho de Melo for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { 21380b668bc9SArnaldo Carvalho de Melo __perf_evsel__hw_cache_type_op_res_name(type, op, i, 21390b668bc9SArnaldo Carvalho de Melo name, sizeof(name)); 2140947b4ad1SIngo Molnar if (event_glob != NULL && !strglobmatch(name, event_glob)) 2141668b8788SArnaldo Carvalho de Melo continue; 2142668b8788SArnaldo Carvalho de Melo 2143b41f1cecSNamhyung Kim if (!is_event_supported(PERF_TYPE_HW_CACHE, 2144b41f1cecSNamhyung Kim type | (op << 8) | (i << 16))) 2145b41f1cecSNamhyung Kim continue; 2146b41f1cecSNamhyung Kim 2147ab0e4800SYunlong Song if (!evt_num_known) { 2148ab0e4800SYunlong Song evt_num++; 2149ab0e4800SYunlong Song continue; 2150ab0e4800SYunlong Song } 2151ab0e4800SYunlong Song 2152ab0e4800SYunlong Song evt_list[evt_i] = strdup(name); 2153ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 2154ab0e4800SYunlong Song goto out_enomem; 2155ab0e4800SYunlong Song evt_i++; 2156668b8788SArnaldo Carvalho de Melo } 2157668b8788SArnaldo Carvalho de Melo } 2158668b8788SArnaldo Carvalho de Melo } 2159668b8788SArnaldo Carvalho de Melo 2160ab0e4800SYunlong Song if (!evt_num_known) { 2161ab0e4800SYunlong Song evt_num_known = true; 2162ab0e4800SYunlong Song goto restart; 2163ab0e4800SYunlong Song } 2164ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 2165ab0e4800SYunlong Song evt_i = 0; 2166ab0e4800SYunlong Song while (evt_i < evt_num) { 2167ab0e4800SYunlong Song if (name_only) { 2168ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 2169ab0e4800SYunlong Song continue; 2170ab0e4800SYunlong Song } 2171ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], 2172ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_HW_CACHE]); 2173ab0e4800SYunlong Song } 2174dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 2175dc098b35SAndi Kleen printf("\n"); 2176ab0e4800SYunlong Song 2177ab0e4800SYunlong Song out_free: 2178ab0e4800SYunlong Song evt_num = evt_i; 2179ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 2180ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 2181ab0e4800SYunlong Song zfree(&evt_list); 2182ab0e4800SYunlong Song return evt_num; 2183ab0e4800SYunlong Song 2184ab0e4800SYunlong Song out_enomem: 2185ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); 2186ab0e4800SYunlong Song if (evt_list) 2187ab0e4800SYunlong Song goto out_free; 2188ab0e4800SYunlong Song return evt_num; 2189668b8788SArnaldo Carvalho de Melo } 2190668b8788SArnaldo Carvalho de Melo 2191705750f2SYunlong Song void print_symbol_events(const char *event_glob, unsigned type, 2192a3277d2dSFrederic Weisbecker struct event_symbol *syms, unsigned max, 2193a3277d2dSFrederic Weisbecker bool name_only) 219486470930SIngo Molnar { 2195ab0e4800SYunlong Song unsigned int i, evt_i = 0, evt_num = 0; 2196947b4ad1SIngo Molnar char name[MAX_NAME_LEN]; 2197ab0e4800SYunlong Song char **evt_list = NULL; 2198ab0e4800SYunlong Song bool evt_num_known = false; 2199ab0e4800SYunlong Song 2200ab0e4800SYunlong Song restart: 2201ab0e4800SYunlong Song if (evt_num_known) { 2202ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 2203ab0e4800SYunlong Song if (!evt_list) 2204ab0e4800SYunlong Song goto out_enomem; 2205ab0e4800SYunlong Song syms -= max; 2206ab0e4800SYunlong Song } 220786470930SIngo Molnar 22081dc12760SJiri Olsa for (i = 0; i < max; i++, syms++) { 2209668b8788SArnaldo Carvalho de Melo 2210e37df6c7SArnaldo Carvalho de Melo if (event_glob != NULL && syms->symbol != NULL && 2211668b8788SArnaldo Carvalho de Melo !(strglobmatch(syms->symbol, event_glob) || 2212668b8788SArnaldo Carvalho de Melo (syms->alias && strglobmatch(syms->alias, event_glob)))) 2213668b8788SArnaldo Carvalho de Melo continue; 221486470930SIngo Molnar 2215b41f1cecSNamhyung Kim if (!is_event_supported(type, i)) 2216b41f1cecSNamhyung Kim continue; 2217b41f1cecSNamhyung Kim 2218ab0e4800SYunlong Song if (!evt_num_known) { 2219ab0e4800SYunlong Song evt_num++; 2220a3277d2dSFrederic Weisbecker continue; 2221a3277d2dSFrederic Weisbecker } 2222a3277d2dSFrederic Weisbecker 2223ab0e4800SYunlong Song if (!name_only && strlen(syms->alias)) 2224947b4ad1SIngo Molnar snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); 222574d5b588SJaswinder Singh Rajput else 2226947b4ad1SIngo Molnar strncpy(name, syms->symbol, MAX_NAME_LEN); 222786470930SIngo Molnar 2228ab0e4800SYunlong Song evt_list[evt_i] = strdup(name); 2229ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 2230ab0e4800SYunlong Song goto out_enomem; 2231ab0e4800SYunlong Song evt_i++; 223286470930SIngo Molnar } 223386470930SIngo Molnar 2234ab0e4800SYunlong Song if (!evt_num_known) { 2235ab0e4800SYunlong Song evt_num_known = true; 2236ab0e4800SYunlong Song goto restart; 2237ab0e4800SYunlong Song } 2238ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 2239ab0e4800SYunlong Song evt_i = 0; 2240ab0e4800SYunlong Song while (evt_i < evt_num) { 2241ab0e4800SYunlong Song if (name_only) { 2242ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 2243ab0e4800SYunlong Song continue; 2244ab0e4800SYunlong Song } 2245ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]); 2246ab0e4800SYunlong Song } 2247dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 2248689d3018SMarti Raudsepp printf("\n"); 2249ab0e4800SYunlong Song 2250ab0e4800SYunlong Song out_free: 2251ab0e4800SYunlong Song evt_num = evt_i; 2252ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 2253ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 2254ab0e4800SYunlong Song zfree(&evt_list); 2255ab0e4800SYunlong Song return; 2256ab0e4800SYunlong Song 2257ab0e4800SYunlong Song out_enomem: 2258ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); 2259ab0e4800SYunlong Song if (evt_list) 2260ab0e4800SYunlong Song goto out_free; 2261668b8788SArnaldo Carvalho de Melo } 22621dc12760SJiri Olsa 22631dc12760SJiri Olsa /* 22641dc12760SJiri Olsa * Print the help text for the event symbols: 22651dc12760SJiri Olsa */ 2266*c8d6828aSSukadev Bhattiprolu void print_events(const char *event_glob, bool name_only, bool quiet_flag, 2267*c8d6828aSSukadev Bhattiprolu bool long_desc) 22681dc12760SJiri Olsa { 22691dc12760SJiri Olsa print_symbol_events(event_glob, PERF_TYPE_HARDWARE, 2270a3277d2dSFrederic Weisbecker event_symbols_hw, PERF_COUNT_HW_MAX, name_only); 22711dc12760SJiri Olsa 22721dc12760SJiri Olsa print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, 2273a3277d2dSFrederic Weisbecker event_symbols_sw, PERF_COUNT_SW_MAX, name_only); 22741dc12760SJiri Olsa 2275a3277d2dSFrederic Weisbecker print_hwcache_events(event_glob, name_only); 227673c24cb8SJaswinder Singh Rajput 2277*c8d6828aSSukadev Bhattiprolu print_pmu_events(event_glob, name_only, quiet_flag, long_desc); 2278dc098b35SAndi Kleen 2279668b8788SArnaldo Carvalho de Melo if (event_glob != NULL) 2280668b8788SArnaldo Carvalho de Melo return; 228173c24cb8SJaswinder Singh Rajput 2282a3277d2dSFrederic Weisbecker if (!name_only) { 2283947b4ad1SIngo Molnar printf(" %-50s [%s]\n", 22845f537a26SJiri Olsa "rNNN", 22851cf4a063SArnaldo Carvalho de Melo event_type_descriptors[PERF_TYPE_RAW]); 22865f537a26SJiri Olsa printf(" %-50s [%s]\n", 22875f537a26SJiri Olsa "cpu/t1=v1[,t2=v2,t3 ...]/modifier", 22885f537a26SJiri Olsa event_type_descriptors[PERF_TYPE_RAW]); 2289dfc431cbSArnaldo Carvalho de Melo if (pager_in_use()) 2290dfc431cbSArnaldo Carvalho de Melo printf(" (see 'man perf-list' on how to encode it)\n\n"); 229186470930SIngo Molnar 2292947b4ad1SIngo Molnar printf(" %-50s [%s]\n", 22933741eb9fSJacob Shin "mem:<addr>[/len][:access]", 229441bdcb23SLiming Wang event_type_descriptors[PERF_TYPE_BREAKPOINT]); 2295dfc431cbSArnaldo Carvalho de Melo if (pager_in_use()) 22961b290d67SFrederic Weisbecker printf("\n"); 2297a3277d2dSFrederic Weisbecker } 22981b290d67SFrederic Weisbecker 2299a3277d2dSFrederic Weisbecker print_tracepoint_events(NULL, NULL, name_only); 230040218daeSMasami Hiramatsu 230140218daeSMasami Hiramatsu print_sdt_events(NULL, NULL, name_only); 230286470930SIngo Molnar } 23038f707d84SJiri Olsa 23046cee6cd3SArnaldo Carvalho de Melo int parse_events__is_hardcoded_term(struct parse_events_term *term) 23058f707d84SJiri Olsa { 230616fa7e82SJiri Olsa return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; 23078f707d84SJiri Olsa } 23088f707d84SJiri Olsa 23096cee6cd3SArnaldo Carvalho de Melo static int new_term(struct parse_events_term **_term, int type_val, 231016fa7e82SJiri Olsa int type_term, char *config, 2311cecf3a2eSJiri Olsa char *str, u64 num, int err_term, int err_val) 23128f707d84SJiri Olsa { 23136cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term; 23148f707d84SJiri Olsa 23158f707d84SJiri Olsa term = zalloc(sizeof(*term)); 23168f707d84SJiri Olsa if (!term) 23178f707d84SJiri Olsa return -ENOMEM; 23188f707d84SJiri Olsa 23198f707d84SJiri Olsa INIT_LIST_HEAD(&term->list); 232016fa7e82SJiri Olsa term->type_val = type_val; 232116fa7e82SJiri Olsa term->type_term = type_term; 23228f707d84SJiri Olsa term->config = config; 2323cecf3a2eSJiri Olsa term->err_term = err_term; 2324cecf3a2eSJiri Olsa term->err_val = err_val; 23258f707d84SJiri Olsa 232616fa7e82SJiri Olsa switch (type_val) { 23278f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_NUM: 23288f707d84SJiri Olsa term->val.num = num; 23298f707d84SJiri Olsa break; 23308f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_STR: 23318f707d84SJiri Olsa term->val.str = str; 23328f707d84SJiri Olsa break; 23338f707d84SJiri Olsa default: 23344be8be6bSAdrian Hunter free(term); 23358f707d84SJiri Olsa return -EINVAL; 23368f707d84SJiri Olsa } 23378f707d84SJiri Olsa 23388f707d84SJiri Olsa *_term = term; 23398f707d84SJiri Olsa return 0; 23408f707d84SJiri Olsa } 23418f707d84SJiri Olsa 23426cee6cd3SArnaldo Carvalho de Melo int parse_events_term__num(struct parse_events_term **term, 2343cecf3a2eSJiri Olsa int type_term, char *config, u64 num, 2344bb78ce7dSAdrian Hunter void *loc_term_, void *loc_val_) 234516fa7e82SJiri Olsa { 2346bb78ce7dSAdrian Hunter YYLTYPE *loc_term = loc_term_; 2347bb78ce7dSAdrian Hunter YYLTYPE *loc_val = loc_val_; 2348bb78ce7dSAdrian Hunter 234916fa7e82SJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, 2350cecf3a2eSJiri Olsa config, NULL, num, 2351cecf3a2eSJiri Olsa loc_term ? loc_term->first_column : 0, 2352cecf3a2eSJiri Olsa loc_val ? loc_val->first_column : 0); 235316fa7e82SJiri Olsa } 235416fa7e82SJiri Olsa 23556cee6cd3SArnaldo Carvalho de Melo int parse_events_term__str(struct parse_events_term **term, 2356cecf3a2eSJiri Olsa int type_term, char *config, char *str, 2357bb78ce7dSAdrian Hunter void *loc_term_, void *loc_val_) 235816fa7e82SJiri Olsa { 2359bb78ce7dSAdrian Hunter YYLTYPE *loc_term = loc_term_; 2360bb78ce7dSAdrian Hunter YYLTYPE *loc_val = loc_val_; 2361bb78ce7dSAdrian Hunter 236216fa7e82SJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, 2363cecf3a2eSJiri Olsa config, str, 0, 2364cecf3a2eSJiri Olsa loc_term ? loc_term->first_column : 0, 2365cecf3a2eSJiri Olsa loc_val ? loc_val->first_column : 0); 236616fa7e82SJiri Olsa } 236716fa7e82SJiri Olsa 23686cee6cd3SArnaldo Carvalho de Melo int parse_events_term__sym_hw(struct parse_events_term **term, 23691d33d6dcSJiri Olsa char *config, unsigned idx) 23701d33d6dcSJiri Olsa { 23711d33d6dcSJiri Olsa struct event_symbol *sym; 23721d33d6dcSJiri Olsa 23731d33d6dcSJiri Olsa BUG_ON(idx >= PERF_COUNT_HW_MAX); 23741d33d6dcSJiri Olsa sym = &event_symbols_hw[idx]; 23751d33d6dcSJiri Olsa 23761d33d6dcSJiri Olsa if (config) 23771d33d6dcSJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, 23781d33d6dcSJiri Olsa PARSE_EVENTS__TERM_TYPE_USER, config, 2379cecf3a2eSJiri Olsa (char *) sym->symbol, 0, 0, 0); 23801d33d6dcSJiri Olsa else 23811d33d6dcSJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, 23821d33d6dcSJiri Olsa PARSE_EVENTS__TERM_TYPE_USER, 2383cecf3a2eSJiri Olsa (char *) "event", (char *) sym->symbol, 2384cecf3a2eSJiri Olsa 0, 0, 0); 23851d33d6dcSJiri Olsa } 23861d33d6dcSJiri Olsa 23876cee6cd3SArnaldo Carvalho de Melo int parse_events_term__clone(struct parse_events_term **new, 23886cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term) 2389a6146d50SZheng Yan { 2390a6146d50SZheng Yan return new_term(new, term->type_val, term->type_term, term->config, 2391cecf3a2eSJiri Olsa term->val.str, term->val.num, 2392cecf3a2eSJiri Olsa term->err_term, term->err_val); 2393a6146d50SZheng Yan } 2394a6146d50SZheng Yan 2395fc0a2c1dSArnaldo Carvalho de Melo void parse_events_terms__purge(struct list_head *terms) 23968f707d84SJiri Olsa { 23976cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term, *h; 23988f707d84SJiri Olsa 2399a8adfcebSWang Nan list_for_each_entry_safe(term, h, terms, list) { 24002d055bf2SWang Nan if (term->array.nr_ranges) 24012d055bf2SWang Nan free(term->array.ranges); 2402a8adfcebSWang Nan list_del_init(&term->list); 24038f707d84SJiri Olsa free(term); 24048f707d84SJiri Olsa } 2405a8adfcebSWang Nan } 2406b39b8393SJiri Olsa 24072146afc6SArnaldo Carvalho de Melo void parse_events_terms__delete(struct list_head *terms) 2408fc0a2c1dSArnaldo Carvalho de Melo { 24092146afc6SArnaldo Carvalho de Melo if (!terms) 24102146afc6SArnaldo Carvalho de Melo return; 2411fc0a2c1dSArnaldo Carvalho de Melo parse_events_terms__purge(terms); 2412d20a5f2bSWang Nan free(terms); 2413fc0a2c1dSArnaldo Carvalho de Melo } 2414fc0a2c1dSArnaldo Carvalho de Melo 24152d055bf2SWang Nan void parse_events__clear_array(struct parse_events_array *a) 24162d055bf2SWang Nan { 24172d055bf2SWang Nan free(a->ranges); 24182d055bf2SWang Nan } 24192d055bf2SWang Nan 2420b39b8393SJiri Olsa void parse_events_evlist_error(struct parse_events_evlist *data, 2421b39b8393SJiri Olsa int idx, const char *str) 2422b39b8393SJiri Olsa { 2423b39b8393SJiri Olsa struct parse_events_error *err = data->error; 2424b39b8393SJiri Olsa 2425a6ced2beSAdrian Hunter if (!err) 2426a6ced2beSAdrian Hunter return; 2427b39b8393SJiri Olsa err->idx = idx; 2428b39b8393SJiri Olsa err->str = strdup(str); 2429b39b8393SJiri Olsa WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); 2430b39b8393SJiri Olsa } 2431ffeb883eSHe Kuang 243217cb5f84SWang Nan static void config_terms_list(char *buf, size_t buf_sz) 243317cb5f84SWang Nan { 243417cb5f84SWang Nan int i; 243517cb5f84SWang Nan bool first = true; 243617cb5f84SWang Nan 243717cb5f84SWang Nan buf[0] = '\0'; 243817cb5f84SWang Nan for (i = 0; i < __PARSE_EVENTS__TERM_TYPE_NR; i++) { 243917cb5f84SWang Nan const char *name = config_term_names[i]; 244017cb5f84SWang Nan 24411669e509SWang Nan if (!config_term_avail(i, NULL)) 24421669e509SWang Nan continue; 244317cb5f84SWang Nan if (!name) 244417cb5f84SWang Nan continue; 244517cb5f84SWang Nan if (name[0] == '<') 244617cb5f84SWang Nan continue; 244717cb5f84SWang Nan 244817cb5f84SWang Nan if (strlen(buf) + strlen(name) + 2 >= buf_sz) 244917cb5f84SWang Nan return; 245017cb5f84SWang Nan 245117cb5f84SWang Nan if (!first) 245217cb5f84SWang Nan strcat(buf, ","); 245317cb5f84SWang Nan else 245417cb5f84SWang Nan first = false; 245517cb5f84SWang Nan strcat(buf, name); 245617cb5f84SWang Nan } 245717cb5f84SWang Nan } 245817cb5f84SWang Nan 2459ffeb883eSHe Kuang /* 2460ffeb883eSHe Kuang * Return string contains valid config terms of an event. 2461ffeb883eSHe Kuang * @additional_terms: For terms such as PMU sysfs terms. 2462ffeb883eSHe Kuang */ 2463ffeb883eSHe Kuang char *parse_events_formats_error_string(char *additional_terms) 2464ffeb883eSHe Kuang { 2465ffeb883eSHe Kuang char *str; 2466626a6b78SWang Nan /* "no-overwrite" is the longest name */ 246717cb5f84SWang Nan char static_terms[__PARSE_EVENTS__TERM_TYPE_NR * 2468626a6b78SWang Nan (sizeof("no-overwrite") - 1)]; 2469ffeb883eSHe Kuang 247017cb5f84SWang Nan config_terms_list(static_terms, sizeof(static_terms)); 2471ffeb883eSHe Kuang /* valid terms */ 2472ffeb883eSHe Kuang if (additional_terms) { 247326dee028SWang Nan if (asprintf(&str, "valid terms: %s,%s", 247426dee028SWang Nan additional_terms, static_terms) < 0) 2475ffeb883eSHe Kuang goto fail; 2476ffeb883eSHe Kuang } else { 247726dee028SWang Nan if (asprintf(&str, "valid terms: %s", static_terms) < 0) 2478ffeb883eSHe Kuang goto fail; 2479ffeb883eSHe Kuang } 2480ffeb883eSHe Kuang return str; 2481ffeb883eSHe Kuang 2482ffeb883eSHe Kuang fail: 2483ffeb883eSHe Kuang return NULL; 2484ffeb883eSHe Kuang } 2485