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" 23b39b8393SJiri Olsa #include "asm/bug.h" 2489812fc8SJiri Olsa 2589812fc8SJiri Olsa #define MAX_NAME_LEN 100 2686470930SIngo Molnar 2782ba1f2fSJiri Olsa #ifdef PARSER_DEBUG 2882ba1f2fSJiri Olsa extern int parse_events_debug; 2982ba1f2fSJiri Olsa #endif 30ac20de6fSZheng Yan int parse_events_parse(void *data, void *scanner); 31e637d177SHe Kuang static int get_config_terms(struct list_head *head_config, 32e637d177SHe Kuang struct list_head *head_terms __maybe_unused); 33bcd3279fSFrederic Weisbecker 34dcb4e102SKan Liang static struct perf_pmu_event_symbol *perf_pmu_events_list; 35dcb4e102SKan Liang /* 36dcb4e102SKan Liang * The variable indicates the number of supported pmu event symbols. 37dcb4e102SKan Liang * 0 means not initialized and ready to init 38dcb4e102SKan Liang * -1 means failed to init, don't try anymore 39dcb4e102SKan Liang * >0 is the number of supported pmu event symbols 40dcb4e102SKan Liang */ 41dcb4e102SKan Liang static int perf_pmu_events_list_num; 42dcb4e102SKan Liang 43705750f2SYunlong Song struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { 441dc12760SJiri Olsa [PERF_COUNT_HW_CPU_CYCLES] = { 451dc12760SJiri Olsa .symbol = "cpu-cycles", 461dc12760SJiri Olsa .alias = "cycles", 471dc12760SJiri Olsa }, 481dc12760SJiri Olsa [PERF_COUNT_HW_INSTRUCTIONS] = { 491dc12760SJiri Olsa .symbol = "instructions", 501dc12760SJiri Olsa .alias = "", 511dc12760SJiri Olsa }, 521dc12760SJiri Olsa [PERF_COUNT_HW_CACHE_REFERENCES] = { 531dc12760SJiri Olsa .symbol = "cache-references", 541dc12760SJiri Olsa .alias = "", 551dc12760SJiri Olsa }, 561dc12760SJiri Olsa [PERF_COUNT_HW_CACHE_MISSES] = { 571dc12760SJiri Olsa .symbol = "cache-misses", 581dc12760SJiri Olsa .alias = "", 591dc12760SJiri Olsa }, 601dc12760SJiri Olsa [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 611dc12760SJiri Olsa .symbol = "branch-instructions", 621dc12760SJiri Olsa .alias = "branches", 631dc12760SJiri Olsa }, 641dc12760SJiri Olsa [PERF_COUNT_HW_BRANCH_MISSES] = { 651dc12760SJiri Olsa .symbol = "branch-misses", 661dc12760SJiri Olsa .alias = "", 671dc12760SJiri Olsa }, 681dc12760SJiri Olsa [PERF_COUNT_HW_BUS_CYCLES] = { 691dc12760SJiri Olsa .symbol = "bus-cycles", 701dc12760SJiri Olsa .alias = "", 711dc12760SJiri Olsa }, 721dc12760SJiri Olsa [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { 731dc12760SJiri Olsa .symbol = "stalled-cycles-frontend", 741dc12760SJiri Olsa .alias = "idle-cycles-frontend", 751dc12760SJiri Olsa }, 761dc12760SJiri Olsa [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { 771dc12760SJiri Olsa .symbol = "stalled-cycles-backend", 781dc12760SJiri Olsa .alias = "idle-cycles-backend", 791dc12760SJiri Olsa }, 801dc12760SJiri Olsa [PERF_COUNT_HW_REF_CPU_CYCLES] = { 811dc12760SJiri Olsa .symbol = "ref-cycles", 821dc12760SJiri Olsa .alias = "", 831dc12760SJiri Olsa }, 841dc12760SJiri Olsa }; 8586470930SIngo Molnar 86705750f2SYunlong Song struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { 871dc12760SJiri Olsa [PERF_COUNT_SW_CPU_CLOCK] = { 881dc12760SJiri Olsa .symbol = "cpu-clock", 891dc12760SJiri Olsa .alias = "", 901dc12760SJiri Olsa }, 911dc12760SJiri Olsa [PERF_COUNT_SW_TASK_CLOCK] = { 921dc12760SJiri Olsa .symbol = "task-clock", 931dc12760SJiri Olsa .alias = "", 941dc12760SJiri Olsa }, 951dc12760SJiri Olsa [PERF_COUNT_SW_PAGE_FAULTS] = { 961dc12760SJiri Olsa .symbol = "page-faults", 971dc12760SJiri Olsa .alias = "faults", 981dc12760SJiri Olsa }, 991dc12760SJiri Olsa [PERF_COUNT_SW_CONTEXT_SWITCHES] = { 1001dc12760SJiri Olsa .symbol = "context-switches", 1011dc12760SJiri Olsa .alias = "cs", 1021dc12760SJiri Olsa }, 1031dc12760SJiri Olsa [PERF_COUNT_SW_CPU_MIGRATIONS] = { 1041dc12760SJiri Olsa .symbol = "cpu-migrations", 1051dc12760SJiri Olsa .alias = "migrations", 1061dc12760SJiri Olsa }, 1071dc12760SJiri Olsa [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { 1081dc12760SJiri Olsa .symbol = "minor-faults", 1091dc12760SJiri Olsa .alias = "", 1101dc12760SJiri Olsa }, 1111dc12760SJiri Olsa [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { 1121dc12760SJiri Olsa .symbol = "major-faults", 1131dc12760SJiri Olsa .alias = "", 1141dc12760SJiri Olsa }, 1151dc12760SJiri Olsa [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { 1161dc12760SJiri Olsa .symbol = "alignment-faults", 1171dc12760SJiri Olsa .alias = "", 1181dc12760SJiri Olsa }, 1191dc12760SJiri Olsa [PERF_COUNT_SW_EMULATION_FAULTS] = { 1201dc12760SJiri Olsa .symbol = "emulation-faults", 1211dc12760SJiri Olsa .alias = "", 1221dc12760SJiri Olsa }, 123d22d1a2aSAdrian Hunter [PERF_COUNT_SW_DUMMY] = { 124d22d1a2aSAdrian Hunter .symbol = "dummy", 125d22d1a2aSAdrian Hunter .alias = "", 126d22d1a2aSAdrian Hunter }, 127bae9cc41SArnaldo Carvalho de Melo [PERF_COUNT_SW_BPF_OUTPUT] = { 128bae9cc41SArnaldo Carvalho de Melo .symbol = "bpf-output", 129bae9cc41SArnaldo Carvalho de Melo .alias = "", 130bae9cc41SArnaldo Carvalho de Melo }, 13186470930SIngo Molnar }; 13286470930SIngo Molnar 133cdd6c482SIngo Molnar #define __PERF_EVENT_FIELD(config, name) \ 134cdd6c482SIngo Molnar ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) 13586470930SIngo Molnar 136cdd6c482SIngo Molnar #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) 137cdd6c482SIngo Molnar #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) 138cdd6c482SIngo Molnar #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) 139cdd6c482SIngo Molnar #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) 14086470930SIngo Molnar 1416b58e7f1SUlrich Drepper #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ 142f6bdafefSJason Baron while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ 1436b58e7f1SUlrich Drepper if (sys_dirent.d_type == DT_DIR && \ 144f6bdafefSJason Baron (strcmp(sys_dirent.d_name, ".")) && \ 145f6bdafefSJason Baron (strcmp(sys_dirent.d_name, ".."))) 146f6bdafefSJason Baron 147ae07b63fSPeter Zijlstra static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) 148ae07b63fSPeter Zijlstra { 149ae07b63fSPeter Zijlstra char evt_path[MAXPATHLEN]; 150ae07b63fSPeter Zijlstra int fd; 151ae07b63fSPeter Zijlstra 152ebf294bfSArnaldo Carvalho de Melo snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, 153ae07b63fSPeter Zijlstra sys_dir->d_name, evt_dir->d_name); 154ae07b63fSPeter Zijlstra fd = open(evt_path, O_RDONLY); 155ae07b63fSPeter Zijlstra if (fd < 0) 156ae07b63fSPeter Zijlstra return -EINVAL; 157ae07b63fSPeter Zijlstra close(fd); 158ae07b63fSPeter Zijlstra 159ae07b63fSPeter Zijlstra return 0; 160ae07b63fSPeter Zijlstra } 161ae07b63fSPeter Zijlstra 1626b58e7f1SUlrich Drepper #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ 163f6bdafefSJason Baron while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ 1646b58e7f1SUlrich Drepper if (evt_dirent.d_type == DT_DIR && \ 165f6bdafefSJason Baron (strcmp(evt_dirent.d_name, ".")) && \ 166ae07b63fSPeter Zijlstra (strcmp(evt_dirent.d_name, "..")) && \ 167ae07b63fSPeter Zijlstra (!tp_event_has_id(&sys_dirent, &evt_dirent))) 168f6bdafefSJason Baron 169270bbbe8SLi Zefan #define MAX_EVENT_LENGTH 512 170f6bdafefSJason Baron 171f6bdafefSJason Baron 1721ef2ed10SFrederic Weisbecker struct tracepoint_path *tracepoint_id_to_path(u64 config) 173f6bdafefSJason Baron { 1741ef2ed10SFrederic Weisbecker struct tracepoint_path *path = NULL; 175f6bdafefSJason Baron DIR *sys_dir, *evt_dir; 176f6bdafefSJason Baron struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; 1778aa8a7c8SStephane Eranian char id_buf[24]; 178725b1368SEric Dumazet int fd; 179f6bdafefSJason Baron u64 id; 180f6bdafefSJason Baron char evt_path[MAXPATHLEN]; 181725b1368SEric Dumazet char dir_path[MAXPATHLEN]; 182f6bdafefSJason Baron 183ebf294bfSArnaldo Carvalho de Melo sys_dir = opendir(tracing_events_path); 184f6bdafefSJason Baron if (!sys_dir) 185725b1368SEric Dumazet return NULL; 186f6bdafefSJason Baron 1876b58e7f1SUlrich Drepper for_each_subsystem(sys_dir, sys_dirent, sys_next) { 188725b1368SEric Dumazet 189ebf294bfSArnaldo Carvalho de Melo snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, 190725b1368SEric Dumazet sys_dirent.d_name); 191725b1368SEric Dumazet evt_dir = opendir(dir_path); 192725b1368SEric Dumazet if (!evt_dir) 1936b58e7f1SUlrich Drepper continue; 194725b1368SEric Dumazet 1956b58e7f1SUlrich Drepper for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { 196725b1368SEric Dumazet 197725b1368SEric Dumazet snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, 198f6bdafefSJason Baron evt_dirent.d_name); 199725b1368SEric Dumazet fd = open(evt_path, O_RDONLY); 200f6bdafefSJason Baron if (fd < 0) 201f6bdafefSJason Baron continue; 202f6bdafefSJason Baron if (read(fd, id_buf, sizeof(id_buf)) < 0) { 203f6bdafefSJason Baron close(fd); 204f6bdafefSJason Baron continue; 205f6bdafefSJason Baron } 206f6bdafefSJason Baron close(fd); 207f6bdafefSJason Baron id = atoll(id_buf); 208f6bdafefSJason Baron if (id == config) { 209f6bdafefSJason Baron closedir(evt_dir); 210f6bdafefSJason Baron closedir(sys_dir); 21159b4caebSJulia Lawall path = zalloc(sizeof(*path)); 2121ef2ed10SFrederic Weisbecker path->system = malloc(MAX_EVENT_LENGTH); 2131ef2ed10SFrederic Weisbecker if (!path->system) { 2141ef2ed10SFrederic Weisbecker free(path); 2151ef2ed10SFrederic Weisbecker return NULL; 2161ef2ed10SFrederic Weisbecker } 2171ef2ed10SFrederic Weisbecker path->name = malloc(MAX_EVENT_LENGTH); 2181ef2ed10SFrederic Weisbecker if (!path->name) { 21974cf249dSArnaldo Carvalho de Melo zfree(&path->system); 2201ef2ed10SFrederic Weisbecker free(path); 2211ef2ed10SFrederic Weisbecker return NULL; 2221ef2ed10SFrederic Weisbecker } 2231ef2ed10SFrederic Weisbecker strncpy(path->system, sys_dirent.d_name, 2241ef2ed10SFrederic Weisbecker MAX_EVENT_LENGTH); 2251ef2ed10SFrederic Weisbecker strncpy(path->name, evt_dirent.d_name, 2261ef2ed10SFrederic Weisbecker MAX_EVENT_LENGTH); 2271ef2ed10SFrederic Weisbecker return path; 228f6bdafefSJason Baron } 229f6bdafefSJason Baron } 230f6bdafefSJason Baron closedir(evt_dir); 231f6bdafefSJason Baron } 232f6bdafefSJason Baron 233f6bdafefSJason Baron closedir(sys_dir); 2341ef2ed10SFrederic Weisbecker return NULL; 2351ef2ed10SFrederic Weisbecker } 2361ef2ed10SFrederic Weisbecker 237e7c93f09SNamhyung Kim struct tracepoint_path *tracepoint_name_to_path(const char *name) 238e7c93f09SNamhyung Kim { 239e7c93f09SNamhyung Kim struct tracepoint_path *path = zalloc(sizeof(*path)); 240e7c93f09SNamhyung Kim char *str = strchr(name, ':'); 241e7c93f09SNamhyung Kim 242e7c93f09SNamhyung Kim if (path == NULL || str == NULL) { 243e7c93f09SNamhyung Kim free(path); 244e7c93f09SNamhyung Kim return NULL; 245e7c93f09SNamhyung Kim } 246e7c93f09SNamhyung Kim 247e7c93f09SNamhyung Kim path->system = strndup(name, str - name); 248e7c93f09SNamhyung Kim path->name = strdup(str+1); 249e7c93f09SNamhyung Kim 250e7c93f09SNamhyung Kim if (path->system == NULL || path->name == NULL) { 25174cf249dSArnaldo Carvalho de Melo zfree(&path->system); 25274cf249dSArnaldo Carvalho de Melo zfree(&path->name); 253e7c93f09SNamhyung Kim free(path); 254e7c93f09SNamhyung Kim path = NULL; 255e7c93f09SNamhyung Kim } 256e7c93f09SNamhyung Kim 257e7c93f09SNamhyung Kim return path; 258e7c93f09SNamhyung Kim } 259e7c93f09SNamhyung Kim 2601424dc96SDavid Ahern const char *event_type(int type) 2611424dc96SDavid Ahern { 2621424dc96SDavid Ahern switch (type) { 2631424dc96SDavid Ahern case PERF_TYPE_HARDWARE: 2641424dc96SDavid Ahern return "hardware"; 2651424dc96SDavid Ahern 2661424dc96SDavid Ahern case PERF_TYPE_SOFTWARE: 2671424dc96SDavid Ahern return "software"; 2681424dc96SDavid Ahern 2691424dc96SDavid Ahern case PERF_TYPE_TRACEPOINT: 2701424dc96SDavid Ahern return "tracepoint"; 2711424dc96SDavid Ahern 2721424dc96SDavid Ahern case PERF_TYPE_HW_CACHE: 2731424dc96SDavid Ahern return "hardware-cache"; 2741424dc96SDavid Ahern 2751424dc96SDavid Ahern default: 2761424dc96SDavid Ahern break; 2771424dc96SDavid Ahern } 2781424dc96SDavid Ahern 2791424dc96SDavid Ahern return "unknown"; 2801424dc96SDavid Ahern } 2811424dc96SDavid Ahern 282e814fdddSWang Nan static int parse_events__is_name_term(struct parse_events_term *term) 283e814fdddSWang Nan { 284e814fdddSWang Nan return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; 285e814fdddSWang Nan } 2867ae92e74SYan, Zheng 287e814fdddSWang Nan static char *get_config_name(struct list_head *head_terms) 288e814fdddSWang Nan { 289e814fdddSWang Nan struct parse_events_term *term; 290e814fdddSWang Nan 291e814fdddSWang Nan if (!head_terms) 292e814fdddSWang Nan return NULL; 293e814fdddSWang Nan 294e814fdddSWang Nan list_for_each_entry(term, head_terms, list) 295e814fdddSWang Nan if (parse_events__is_name_term(term)) 296e814fdddSWang Nan return term->val.str; 297e814fdddSWang Nan 298e814fdddSWang Nan return NULL; 299e814fdddSWang Nan } 3007ae92e74SYan, Zheng 301410136f5SStephane Eranian static struct perf_evsel * 302410136f5SStephane Eranian __add_event(struct list_head *list, int *idx, 3037ae92e74SYan, Zheng struct perf_event_attr *attr, 304930a2e29SJiri Olsa char *name, struct cpu_map *cpus, 305930a2e29SJiri Olsa struct list_head *config_terms) 30689812fc8SJiri Olsa { 30789812fc8SJiri Olsa struct perf_evsel *evsel; 30889812fc8SJiri Olsa 30989812fc8SJiri Olsa event_attr_init(attr); 31089812fc8SJiri Olsa 311ef503831SArnaldo Carvalho de Melo evsel = perf_evsel__new_idx(attr, (*idx)++); 312c5cd8ac0SDavid Ahern if (!evsel) 313410136f5SStephane Eranian return NULL; 31489812fc8SJiri Olsa 315f30a79b0SJiri Olsa evsel->cpus = cpu_map__get(cpus); 316fce4d296SAdrian Hunter evsel->own_cpus = cpu_map__get(cpus); 317f30a79b0SJiri Olsa 3189db1763cSArnaldo Carvalho de Melo if (name) 31989812fc8SJiri Olsa evsel->name = strdup(name); 320930a2e29SJiri Olsa 321930a2e29SJiri Olsa if (config_terms) 322930a2e29SJiri Olsa list_splice(config_terms, &evsel->config_terms); 323930a2e29SJiri Olsa 324b847cbdcSJiri Olsa list_add_tail(&evsel->node, list); 325410136f5SStephane Eranian return evsel; 32689812fc8SJiri Olsa } 32789812fc8SJiri Olsa 328c5cd8ac0SDavid Ahern static int add_event(struct list_head *list, int *idx, 329930a2e29SJiri Olsa struct perf_event_attr *attr, char *name, 330930a2e29SJiri Olsa struct list_head *config_terms) 3317ae92e74SYan, Zheng { 332930a2e29SJiri Olsa return __add_event(list, idx, attr, name, NULL, config_terms) ? 0 : -ENOMEM; 3337ae92e74SYan, Zheng } 3347ae92e74SYan, Zheng 3350b668bc9SArnaldo Carvalho de Melo static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) 33686470930SIngo Molnar { 33786470930SIngo Molnar int i, j; 33861c45981SPaul Mackerras int n, longest = -1; 33986470930SIngo Molnar 34086470930SIngo Molnar for (i = 0; i < size; i++) { 3410b668bc9SArnaldo Carvalho de Melo for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { 34261c45981SPaul Mackerras n = strlen(names[i][j]); 34389812fc8SJiri Olsa if (n > longest && !strncasecmp(str, names[i][j], n)) 34461c45981SPaul Mackerras longest = n; 34561c45981SPaul Mackerras } 34689812fc8SJiri Olsa if (longest > 0) 34786470930SIngo Molnar return i; 34886470930SIngo Molnar } 34986470930SIngo Molnar 3508953645fSIngo Molnar return -1; 35186470930SIngo Molnar } 35286470930SIngo Molnar 35343d0b978SWang Nan typedef int config_term_func_t(struct perf_event_attr *attr, 35443d0b978SWang Nan struct parse_events_term *term, 35543d0b978SWang Nan struct parse_events_error *err); 35643d0b978SWang Nan static int config_term_common(struct perf_event_attr *attr, 35743d0b978SWang Nan struct parse_events_term *term, 35843d0b978SWang Nan struct parse_events_error *err); 35943d0b978SWang Nan static int config_attr(struct perf_event_attr *attr, 36043d0b978SWang Nan struct list_head *head, 36143d0b978SWang Nan struct parse_events_error *err, 36243d0b978SWang Nan config_term_func_t config_term); 36343d0b978SWang Nan 364c5cd8ac0SDavid Ahern int parse_events_add_cache(struct list_head *list, int *idx, 36543d0b978SWang Nan char *type, char *op_result1, char *op_result2, 3662c97b0d4SArnaldo Carvalho de Melo struct parse_events_error *err, 36743d0b978SWang Nan struct list_head *head_config) 36886470930SIngo Molnar { 36989812fc8SJiri Olsa struct perf_event_attr attr; 37043d0b978SWang Nan LIST_HEAD(config_terms); 37143d0b978SWang Nan char name[MAX_NAME_LEN], *config_name; 37261c45981SPaul Mackerras int cache_type = -1, cache_op = -1, cache_result = -1; 37389812fc8SJiri Olsa char *op_result[2] = { op_result1, op_result2 }; 37489812fc8SJiri Olsa int i, n; 37586470930SIngo Molnar 37686470930SIngo Molnar /* 37786470930SIngo Molnar * No fallback - if we cannot get a clear cache type 37886470930SIngo Molnar * then bail out: 37986470930SIngo Molnar */ 3800b668bc9SArnaldo Carvalho de Melo cache_type = parse_aliases(type, perf_evsel__hw_cache, 38189812fc8SJiri Olsa PERF_COUNT_HW_CACHE_MAX); 38286470930SIngo Molnar if (cache_type == -1) 38389812fc8SJiri Olsa return -EINVAL; 38486470930SIngo Molnar 38543d0b978SWang Nan config_name = get_config_name(head_config); 38689812fc8SJiri Olsa n = snprintf(name, MAX_NAME_LEN, "%s", type); 38789812fc8SJiri Olsa 38889812fc8SJiri Olsa for (i = 0; (i < 2) && (op_result[i]); i++) { 38989812fc8SJiri Olsa char *str = op_result[i]; 39089812fc8SJiri Olsa 391275ef387SJiri Olsa n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); 39261c45981SPaul Mackerras 39361c45981SPaul Mackerras if (cache_op == -1) { 3940b668bc9SArnaldo Carvalho de Melo cache_op = parse_aliases(str, perf_evsel__hw_cache_op, 39561c45981SPaul Mackerras PERF_COUNT_HW_CACHE_OP_MAX); 39661c45981SPaul Mackerras if (cache_op >= 0) { 3970b668bc9SArnaldo Carvalho de Melo if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) 39889812fc8SJiri Olsa return -EINVAL; 39961c45981SPaul Mackerras continue; 40061c45981SPaul Mackerras } 40161c45981SPaul Mackerras } 40261c45981SPaul Mackerras 40361c45981SPaul Mackerras if (cache_result == -1) { 4040b668bc9SArnaldo Carvalho de Melo cache_result = parse_aliases(str, perf_evsel__hw_cache_result, 40561c45981SPaul Mackerras PERF_COUNT_HW_CACHE_RESULT_MAX); 40661c45981SPaul Mackerras if (cache_result >= 0) 40761c45981SPaul Mackerras continue; 40861c45981SPaul Mackerras } 40961c45981SPaul Mackerras } 41061c45981SPaul Mackerras 41186470930SIngo Molnar /* 41286470930SIngo Molnar * Fall back to reads: 41386470930SIngo Molnar */ 4148953645fSIngo Molnar if (cache_op == -1) 4158953645fSIngo Molnar cache_op = PERF_COUNT_HW_CACHE_OP_READ; 41686470930SIngo Molnar 41786470930SIngo Molnar /* 41886470930SIngo Molnar * Fall back to accesses: 41986470930SIngo Molnar */ 42086470930SIngo Molnar if (cache_result == -1) 42186470930SIngo Molnar cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; 42286470930SIngo Molnar 42389812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 42489812fc8SJiri Olsa attr.config = cache_type | (cache_op << 8) | (cache_result << 16); 42589812fc8SJiri Olsa attr.type = PERF_TYPE_HW_CACHE; 42643d0b978SWang Nan 42743d0b978SWang Nan if (head_config) { 4282c97b0d4SArnaldo Carvalho de Melo if (config_attr(&attr, head_config, err, 42943d0b978SWang Nan config_term_common)) 43043d0b978SWang Nan return -EINVAL; 43143d0b978SWang Nan 43243d0b978SWang Nan if (get_config_terms(head_config, &config_terms)) 43343d0b978SWang Nan return -ENOMEM; 43443d0b978SWang Nan } 43543d0b978SWang Nan return add_event(list, idx, &attr, config_name ? : name, &config_terms); 43686470930SIngo Molnar } 43786470930SIngo Molnar 438272ed29aSJiri Olsa static void tracepoint_error(struct parse_events_error *e, int err, 43919658171SJiri Olsa char *sys, char *name) 44019658171SJiri Olsa { 44119658171SJiri Olsa char help[BUFSIZ]; 44219658171SJiri Olsa 443ec183d22SAdrian Hunter if (!e) 444ec183d22SAdrian Hunter return; 445ec183d22SAdrian Hunter 44619658171SJiri Olsa /* 44719658171SJiri Olsa * We get error directly from syscall errno ( > 0), 44819658171SJiri Olsa * or from encoded pointer's error ( < 0). 44919658171SJiri Olsa */ 45019658171SJiri Olsa err = abs(err); 45119658171SJiri Olsa 45219658171SJiri Olsa switch (err) { 45319658171SJiri Olsa case EACCES: 454272ed29aSJiri Olsa e->str = strdup("can't access trace events"); 45519658171SJiri Olsa break; 45619658171SJiri Olsa case ENOENT: 457272ed29aSJiri Olsa e->str = strdup("unknown tracepoint"); 45819658171SJiri Olsa break; 45919658171SJiri Olsa default: 460272ed29aSJiri Olsa e->str = strdup("failed to add tracepoint"); 46119658171SJiri Olsa break; 46219658171SJiri Olsa } 46319658171SJiri Olsa 46419658171SJiri Olsa tracing_path__strerror_open_tp(err, help, sizeof(help), sys, name); 465272ed29aSJiri Olsa e->help = strdup(help); 46619658171SJiri Olsa } 46719658171SJiri Olsa 468c5cd8ac0SDavid Ahern static int add_tracepoint(struct list_head *list, int *idx, 469e2f9f8eaSJiri Olsa char *sys_name, char *evt_name, 470272ed29aSJiri Olsa struct parse_events_error *err, 471e637d177SHe Kuang struct list_head *head_config) 472bcd3279fSFrederic Weisbecker { 47382fe1c29SArnaldo Carvalho de Melo struct perf_evsel *evsel; 474bcd3279fSFrederic Weisbecker 475ef503831SArnaldo Carvalho de Melo evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); 47619658171SJiri Olsa if (IS_ERR(evsel)) { 477272ed29aSJiri Olsa tracepoint_error(err, PTR_ERR(evsel), sys_name, evt_name); 4788dd2a131SJiri Olsa return PTR_ERR(evsel); 47919658171SJiri Olsa } 480bcd3279fSFrederic Weisbecker 481e637d177SHe Kuang if (head_config) { 482e637d177SHe Kuang LIST_HEAD(config_terms); 483e637d177SHe Kuang 484e637d177SHe Kuang if (get_config_terms(head_config, &config_terms)) 485e637d177SHe Kuang return -ENOMEM; 486e637d177SHe Kuang list_splice(&config_terms, &evsel->config_terms); 487e637d177SHe Kuang } 488e637d177SHe Kuang 48982fe1c29SArnaldo Carvalho de Melo list_add_tail(&evsel->node, list); 49082fe1c29SArnaldo Carvalho de Melo return 0; 491bcd3279fSFrederic Weisbecker } 492bcd3279fSFrederic Weisbecker 493c5cd8ac0SDavid Ahern static int add_tracepoint_multi_event(struct list_head *list, int *idx, 494e2f9f8eaSJiri Olsa char *sys_name, char *evt_name, 495272ed29aSJiri Olsa struct parse_events_error *err, 496e637d177SHe Kuang struct list_head *head_config) 497bcd3279fSFrederic Weisbecker { 498bcd3279fSFrederic Weisbecker char evt_path[MAXPATHLEN]; 499bcd3279fSFrederic Weisbecker struct dirent *evt_ent; 500bcd3279fSFrederic Weisbecker DIR *evt_dir; 50127bf90bfSJiri Olsa int ret = 0, found = 0; 502bcd3279fSFrederic Weisbecker 503ebf294bfSArnaldo Carvalho de Melo snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); 504bcd3279fSFrederic Weisbecker evt_dir = opendir(evt_path); 505bcd3279fSFrederic Weisbecker if (!evt_dir) { 506272ed29aSJiri Olsa tracepoint_error(err, errno, sys_name, evt_name); 50789812fc8SJiri Olsa return -1; 508bcd3279fSFrederic Weisbecker } 509bcd3279fSFrederic Weisbecker 51089812fc8SJiri Olsa while (!ret && (evt_ent = readdir(evt_dir))) { 511bcd3279fSFrederic Weisbecker if (!strcmp(evt_ent->d_name, ".") 512bcd3279fSFrederic Weisbecker || !strcmp(evt_ent->d_name, "..") 513bcd3279fSFrederic Weisbecker || !strcmp(evt_ent->d_name, "enable") 514bcd3279fSFrederic Weisbecker || !strcmp(evt_ent->d_name, "filter")) 515bcd3279fSFrederic Weisbecker continue; 516bcd3279fSFrederic Weisbecker 51789812fc8SJiri Olsa if (!strglobmatch(evt_ent->d_name, evt_name)) 518fb1d2edfSMasami Hiramatsu continue; 519fb1d2edfSMasami Hiramatsu 52027bf90bfSJiri Olsa found++; 52127bf90bfSJiri Olsa 522e637d177SHe Kuang ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name, 523272ed29aSJiri Olsa err, head_config); 524bcd3279fSFrederic Weisbecker } 525bcd3279fSFrederic Weisbecker 52627bf90bfSJiri Olsa if (!found) { 52727bf90bfSJiri Olsa tracepoint_error(err, ENOENT, sys_name, evt_name); 52827bf90bfSJiri Olsa ret = -1; 52927bf90bfSJiri Olsa } 53027bf90bfSJiri Olsa 5310bd3f084SJiri Olsa closedir(evt_dir); 53289812fc8SJiri Olsa return ret; 533bcd3279fSFrederic Weisbecker } 534bcd3279fSFrederic Weisbecker 535c5cd8ac0SDavid Ahern static int add_tracepoint_event(struct list_head *list, int *idx, 536e2f9f8eaSJiri Olsa char *sys_name, char *evt_name, 537272ed29aSJiri Olsa struct parse_events_error *err, 538e637d177SHe Kuang struct list_head *head_config) 539f35488f9SJiri Olsa { 540f35488f9SJiri Olsa return strpbrk(evt_name, "*?") ? 541e637d177SHe Kuang add_tracepoint_multi_event(list, idx, sys_name, evt_name, 542272ed29aSJiri Olsa err, head_config) : 543e637d177SHe Kuang add_tracepoint(list, idx, sys_name, evt_name, 544272ed29aSJiri Olsa err, head_config); 545f35488f9SJiri Olsa } 546f35488f9SJiri Olsa 547c5cd8ac0SDavid Ahern static int add_tracepoint_multi_sys(struct list_head *list, int *idx, 548e2f9f8eaSJiri Olsa char *sys_name, char *evt_name, 549272ed29aSJiri Olsa struct parse_events_error *err, 550e637d177SHe Kuang struct list_head *head_config) 551f35488f9SJiri Olsa { 552f35488f9SJiri Olsa struct dirent *events_ent; 553f35488f9SJiri Olsa DIR *events_dir; 554f35488f9SJiri Olsa int ret = 0; 555f35488f9SJiri Olsa 556f35488f9SJiri Olsa events_dir = opendir(tracing_events_path); 557f35488f9SJiri Olsa if (!events_dir) { 558272ed29aSJiri Olsa tracepoint_error(err, errno, sys_name, evt_name); 559f35488f9SJiri Olsa return -1; 560f35488f9SJiri Olsa } 561f35488f9SJiri Olsa 562f35488f9SJiri Olsa while (!ret && (events_ent = readdir(events_dir))) { 563f35488f9SJiri Olsa if (!strcmp(events_ent->d_name, ".") 564f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "..") 565f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "enable") 566f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "header_event") 567f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "header_page")) 568f35488f9SJiri Olsa continue; 569f35488f9SJiri Olsa 570f35488f9SJiri Olsa if (!strglobmatch(events_ent->d_name, sys_name)) 571f35488f9SJiri Olsa continue; 572f35488f9SJiri Olsa 573f35488f9SJiri Olsa ret = add_tracepoint_event(list, idx, events_ent->d_name, 574272ed29aSJiri Olsa evt_name, err, head_config); 575f35488f9SJiri Olsa } 576f35488f9SJiri Olsa 577f35488f9SJiri Olsa closedir(events_dir); 578f35488f9SJiri Olsa return ret; 579f35488f9SJiri Olsa } 580f35488f9SJiri Olsa 5814edf30e3SWang Nan struct __add_bpf_event_param { 5824edf30e3SWang Nan struct parse_events_evlist *data; 5834edf30e3SWang Nan struct list_head *list; 584*95088a59SWang Nan struct list_head *head_config; 5854edf30e3SWang Nan }; 5864edf30e3SWang Nan 5874edf30e3SWang Nan static int add_bpf_event(struct probe_trace_event *tev, int fd, 5884edf30e3SWang Nan void *_param) 5894edf30e3SWang Nan { 5904edf30e3SWang Nan LIST_HEAD(new_evsels); 5914edf30e3SWang Nan struct __add_bpf_event_param *param = _param; 5924edf30e3SWang Nan struct parse_events_evlist *evlist = param->data; 5934edf30e3SWang Nan struct list_head *list = param->list; 5941f45b1d4SWang Nan struct perf_evsel *pos; 5954edf30e3SWang Nan int err; 5964edf30e3SWang Nan 5974edf30e3SWang Nan pr_debug("add bpf event %s:%s and attach bpf program %d\n", 5984edf30e3SWang Nan tev->group, tev->event, fd); 5994edf30e3SWang Nan 6004edf30e3SWang Nan err = parse_events_add_tracepoint(&new_evsels, &evlist->idx, tev->group, 601*95088a59SWang Nan tev->event, evlist->error, 602*95088a59SWang Nan param->head_config); 6034edf30e3SWang Nan if (err) { 6044edf30e3SWang Nan struct perf_evsel *evsel, *tmp; 6054edf30e3SWang Nan 6064edf30e3SWang Nan pr_debug("Failed to add BPF event %s:%s\n", 6074edf30e3SWang Nan tev->group, tev->event); 6084edf30e3SWang Nan list_for_each_entry_safe(evsel, tmp, &new_evsels, node) { 6094edf30e3SWang Nan list_del(&evsel->node); 6104edf30e3SWang Nan perf_evsel__delete(evsel); 6114edf30e3SWang Nan } 6124edf30e3SWang Nan return err; 6134edf30e3SWang Nan } 6144edf30e3SWang Nan pr_debug("adding %s:%s\n", tev->group, tev->event); 6154edf30e3SWang Nan 6161f45b1d4SWang Nan list_for_each_entry(pos, &new_evsels, node) { 6171f45b1d4SWang Nan pr_debug("adding %s:%s to %p\n", 6181f45b1d4SWang Nan tev->group, tev->event, pos); 6191f45b1d4SWang Nan pos->bpf_fd = fd; 6201f45b1d4SWang Nan } 6214edf30e3SWang Nan list_splice(&new_evsels, list); 6224edf30e3SWang Nan return 0; 6234edf30e3SWang Nan } 6244edf30e3SWang Nan 62584c86ca1SWang Nan int parse_events_load_bpf_obj(struct parse_events_evlist *data, 62684c86ca1SWang Nan struct list_head *list, 627*95088a59SWang Nan struct bpf_object *obj, 628*95088a59SWang Nan struct list_head *head_config) 62984c86ca1SWang Nan { 63084c86ca1SWang Nan int err; 63184c86ca1SWang Nan char errbuf[BUFSIZ]; 632*95088a59SWang Nan struct __add_bpf_event_param param = {data, list, head_config}; 633aa3abf30SWang Nan static bool registered_unprobe_atexit = false; 63484c86ca1SWang Nan 63584c86ca1SWang Nan if (IS_ERR(obj) || !obj) { 63684c86ca1SWang Nan snprintf(errbuf, sizeof(errbuf), 63784c86ca1SWang Nan "Internal error: load bpf obj with NULL"); 63884c86ca1SWang Nan err = -EINVAL; 63984c86ca1SWang Nan goto errout; 64084c86ca1SWang Nan } 64184c86ca1SWang Nan 64284c86ca1SWang Nan /* 643aa3abf30SWang Nan * Register atexit handler before calling bpf__probe() so 644aa3abf30SWang Nan * bpf__probe() don't need to unprobe probe points its already 645aa3abf30SWang Nan * created when failure. 646aa3abf30SWang Nan */ 647aa3abf30SWang Nan if (!registered_unprobe_atexit) { 648aa3abf30SWang Nan atexit(bpf__clear); 649aa3abf30SWang Nan registered_unprobe_atexit = true; 650aa3abf30SWang Nan } 651aa3abf30SWang Nan 652aa3abf30SWang Nan err = bpf__probe(obj); 653aa3abf30SWang Nan if (err) { 654aa3abf30SWang Nan bpf__strerror_probe(obj, err, errbuf, sizeof(errbuf)); 655aa3abf30SWang Nan goto errout; 656aa3abf30SWang Nan } 657aa3abf30SWang Nan 6581e5e3ee8SWang Nan err = bpf__load(obj); 6591e5e3ee8SWang Nan if (err) { 6601e5e3ee8SWang Nan bpf__strerror_load(obj, err, errbuf, sizeof(errbuf)); 6611e5e3ee8SWang Nan goto errout; 6621e5e3ee8SWang Nan } 6631e5e3ee8SWang Nan 6644edf30e3SWang Nan err = bpf__foreach_tev(obj, add_bpf_event, ¶m); 6654edf30e3SWang Nan if (err) { 6664edf30e3SWang Nan snprintf(errbuf, sizeof(errbuf), 6674edf30e3SWang Nan "Attach events in BPF object failed"); 6684edf30e3SWang Nan goto errout; 6694edf30e3SWang Nan } 6704edf30e3SWang Nan 6714edf30e3SWang Nan return 0; 67284c86ca1SWang Nan errout: 67384c86ca1SWang Nan data->error->help = strdup("(add -v to see detail)"); 67484c86ca1SWang Nan data->error->str = strdup(errbuf); 67584c86ca1SWang Nan return err; 67684c86ca1SWang Nan } 67784c86ca1SWang Nan 678a34f3be7SWang Nan static int 679a34f3be7SWang Nan parse_events_config_bpf(struct parse_events_evlist *data, 680a34f3be7SWang Nan struct bpf_object *obj, 681a34f3be7SWang Nan struct list_head *head_config) 682a34f3be7SWang Nan { 683a34f3be7SWang Nan struct parse_events_term *term; 684a34f3be7SWang Nan int error_pos; 685a34f3be7SWang Nan 686a34f3be7SWang Nan if (!head_config || list_empty(head_config)) 687a34f3be7SWang Nan return 0; 688a34f3be7SWang Nan 689a34f3be7SWang Nan list_for_each_entry(term, head_config, list) { 690a34f3be7SWang Nan char errbuf[BUFSIZ]; 691a34f3be7SWang Nan int err; 692a34f3be7SWang Nan 693a34f3be7SWang Nan if (term->type_term != PARSE_EVENTS__TERM_TYPE_USER) { 694a34f3be7SWang Nan snprintf(errbuf, sizeof(errbuf), 695a34f3be7SWang Nan "Invalid config term for BPF object"); 696a34f3be7SWang Nan errbuf[BUFSIZ - 1] = '\0'; 697a34f3be7SWang Nan 698a34f3be7SWang Nan data->error->idx = term->err_term; 699a34f3be7SWang Nan data->error->str = strdup(errbuf); 700a34f3be7SWang Nan return -EINVAL; 701a34f3be7SWang Nan } 702a34f3be7SWang Nan 7037630b3e2SWang Nan err = bpf__config_obj(obj, term, data->evlist, &error_pos); 704a34f3be7SWang Nan if (err) { 7057630b3e2SWang Nan bpf__strerror_config_obj(obj, term, data->evlist, 706a34f3be7SWang Nan &error_pos, err, errbuf, 707a34f3be7SWang Nan sizeof(errbuf)); 708a34f3be7SWang Nan data->error->help = strdup( 7097630b3e2SWang Nan "Hint:\tValid config terms:\n" 710e571e029SWang Nan " \tmap:[<arraymap>].value<indices>=[value]\n" 711e571e029SWang Nan " \tmap:[<eventmap>].event<indices>=[event]\n" 7127630b3e2SWang Nan "\n" 713e571e029SWang Nan " \twhere <indices> is something like [0,3...5] or [all]\n" 714a34f3be7SWang Nan " \t(add -v to see detail)"); 715a34f3be7SWang Nan data->error->str = strdup(errbuf); 716a34f3be7SWang Nan if (err == -BPF_LOADER_ERRNO__OBJCONF_MAP_VALUE) 717a34f3be7SWang Nan data->error->idx = term->err_val; 718a34f3be7SWang Nan else 719a34f3be7SWang Nan data->error->idx = term->err_term + error_pos; 720a34f3be7SWang Nan return err; 721a34f3be7SWang Nan } 722a34f3be7SWang Nan } 723a34f3be7SWang Nan return 0; 724a34f3be7SWang Nan } 725a34f3be7SWang Nan 726*95088a59SWang Nan /* 727*95088a59SWang Nan * Split config terms: 728*95088a59SWang Nan * perf record -e bpf.c/call-graph=fp,map:array.value[0]=1/ ... 729*95088a59SWang Nan * 'call-graph=fp' is 'evt config', should be applied to each 730*95088a59SWang Nan * events in bpf.c. 731*95088a59SWang Nan * 'map:array.value[0]=1' is 'obj config', should be processed 732*95088a59SWang Nan * with parse_events_config_bpf. 733*95088a59SWang Nan * 734*95088a59SWang Nan * Move object config terms from the first list to obj_head_config. 735*95088a59SWang Nan */ 736*95088a59SWang Nan static void 737*95088a59SWang Nan split_bpf_config_terms(struct list_head *evt_head_config, 738*95088a59SWang Nan struct list_head *obj_head_config) 739*95088a59SWang Nan { 740*95088a59SWang Nan struct parse_events_term *term, *temp; 741*95088a59SWang Nan 742*95088a59SWang Nan /* 743*95088a59SWang Nan * Currectly, all possible user config term 744*95088a59SWang Nan * belong to bpf object. parse_events__is_hardcoded_term() 745*95088a59SWang Nan * happends to be a good flag. 746*95088a59SWang Nan * 747*95088a59SWang Nan * See parse_events_config_bpf() and 748*95088a59SWang Nan * config_term_tracepoint(). 749*95088a59SWang Nan */ 750*95088a59SWang Nan list_for_each_entry_safe(term, temp, evt_head_config, list) 751*95088a59SWang Nan if (!parse_events__is_hardcoded_term(term)) 752*95088a59SWang Nan list_move_tail(&term->list, obj_head_config); 753*95088a59SWang Nan } 754*95088a59SWang Nan 75584c86ca1SWang Nan int parse_events_load_bpf(struct parse_events_evlist *data, 75684c86ca1SWang Nan struct list_head *list, 757d509db04SWang Nan char *bpf_file_name, 758a34f3be7SWang Nan bool source, 759a34f3be7SWang Nan struct list_head *head_config) 76084c86ca1SWang Nan { 761a34f3be7SWang Nan int err; 762*95088a59SWang Nan struct bpf_object *obj; 763*95088a59SWang Nan LIST_HEAD(obj_head_config); 764*95088a59SWang Nan 765*95088a59SWang Nan if (head_config) 766*95088a59SWang Nan split_bpf_config_terms(head_config, &obj_head_config); 76784c86ca1SWang Nan 768d509db04SWang Nan obj = bpf__prepare_load(bpf_file_name, source); 7696371ca3bSWang Nan if (IS_ERR(obj)) { 77084c86ca1SWang Nan char errbuf[BUFSIZ]; 77184c86ca1SWang Nan 7726371ca3bSWang Nan err = PTR_ERR(obj); 77384c86ca1SWang Nan 77484c86ca1SWang Nan if (err == -ENOTSUP) 77584c86ca1SWang Nan snprintf(errbuf, sizeof(errbuf), 77684c86ca1SWang Nan "BPF support is not compiled"); 77784c86ca1SWang Nan else 778d3e0ce39SWang Nan bpf__strerror_prepare_load(bpf_file_name, 779d3e0ce39SWang Nan source, 780d3e0ce39SWang Nan -err, errbuf, 781d3e0ce39SWang Nan sizeof(errbuf)); 78284c86ca1SWang Nan 78384c86ca1SWang Nan data->error->help = strdup("(add -v to see detail)"); 78484c86ca1SWang Nan data->error->str = strdup(errbuf); 78584c86ca1SWang Nan return err; 78684c86ca1SWang Nan } 78784c86ca1SWang Nan 788*95088a59SWang Nan err = parse_events_load_bpf_obj(data, list, obj, head_config); 789a34f3be7SWang Nan if (err) 790a34f3be7SWang Nan return err; 791*95088a59SWang Nan err = parse_events_config_bpf(data, obj, &obj_head_config); 792*95088a59SWang Nan 793*95088a59SWang Nan /* 794*95088a59SWang Nan * Caller doesn't know anything about obj_head_config, 795*95088a59SWang Nan * so combine them together again before returnning. 796*95088a59SWang Nan */ 797*95088a59SWang Nan if (head_config) 798*95088a59SWang Nan list_splice_tail(&obj_head_config, head_config); 799*95088a59SWang Nan return err; 80084c86ca1SWang Nan } 80184c86ca1SWang Nan 80289812fc8SJiri Olsa static int 80389812fc8SJiri Olsa parse_breakpoint_type(const char *type, struct perf_event_attr *attr) 8041b290d67SFrederic Weisbecker { 8051b290d67SFrederic Weisbecker int i; 8061b290d67SFrederic Weisbecker 8071b290d67SFrederic Weisbecker for (i = 0; i < 3; i++) { 80889812fc8SJiri Olsa if (!type || !type[i]) 8091b290d67SFrederic Weisbecker break; 8101b290d67SFrederic Weisbecker 8117582732fSJiri Olsa #define CHECK_SET_TYPE(bit) \ 8127582732fSJiri Olsa do { \ 8137582732fSJiri Olsa if (attr->bp_type & bit) \ 8147582732fSJiri Olsa return -EINVAL; \ 8157582732fSJiri Olsa else \ 8167582732fSJiri Olsa attr->bp_type |= bit; \ 8177582732fSJiri Olsa } while (0) 8187582732fSJiri Olsa 8191b290d67SFrederic Weisbecker switch (type[i]) { 8201b290d67SFrederic Weisbecker case 'r': 8217582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_R); 8221b290d67SFrederic Weisbecker break; 8231b290d67SFrederic Weisbecker case 'w': 8247582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_W); 8251b290d67SFrederic Weisbecker break; 8261b290d67SFrederic Weisbecker case 'x': 8277582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_X); 8281b290d67SFrederic Weisbecker break; 8291b290d67SFrederic Weisbecker default: 83089812fc8SJiri Olsa return -EINVAL; 8311b290d67SFrederic Weisbecker } 8321b290d67SFrederic Weisbecker } 83389812fc8SJiri Olsa 8347582732fSJiri Olsa #undef CHECK_SET_TYPE 8357582732fSJiri Olsa 8361b290d67SFrederic Weisbecker if (!attr->bp_type) /* Default */ 8371b290d67SFrederic Weisbecker attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; 8381b290d67SFrederic Weisbecker 83989812fc8SJiri Olsa return 0; 8401b290d67SFrederic Weisbecker } 8411b290d67SFrederic Weisbecker 842c5cd8ac0SDavid Ahern int parse_events_add_breakpoint(struct list_head *list, int *idx, 8433741eb9fSJacob Shin void *ptr, char *type, u64 len) 8441b290d67SFrederic Weisbecker { 84589812fc8SJiri Olsa struct perf_event_attr attr; 8461b290d67SFrederic Weisbecker 84789812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 8489fafd98fSJiri Olsa attr.bp_addr = (unsigned long) ptr; 8491b290d67SFrederic Weisbecker 85089812fc8SJiri Olsa if (parse_breakpoint_type(type, &attr)) 85189812fc8SJiri Olsa return -EINVAL; 8521b290d67SFrederic Weisbecker 8533741eb9fSJacob Shin /* Provide some defaults if len is not specified */ 8543741eb9fSJacob Shin if (!len) { 85589812fc8SJiri Olsa if (attr.bp_type == HW_BREAKPOINT_X) 8563741eb9fSJacob Shin len = sizeof(long); 857aa59a485SFrederic Weisbecker else 8583741eb9fSJacob Shin len = HW_BREAKPOINT_LEN_4; 8593741eb9fSJacob Shin } 8603741eb9fSJacob Shin 8613741eb9fSJacob Shin attr.bp_len = len; 862aa59a485SFrederic Weisbecker 86389812fc8SJiri Olsa attr.type = PERF_TYPE_BREAKPOINT; 8644a841d65SJovi Zhang attr.sample_period = 1; 8651b290d67SFrederic Weisbecker 866930a2e29SJiri Olsa return add_event(list, idx, &attr, NULL, NULL); 8671b290d67SFrederic Weisbecker } 8681b290d67SFrederic Weisbecker 8693b0e371cSJiri Olsa static int check_type_val(struct parse_events_term *term, 8703b0e371cSJiri Olsa struct parse_events_error *err, 8713b0e371cSJiri Olsa int type) 8723b0e371cSJiri Olsa { 8733b0e371cSJiri Olsa if (type == term->type_val) 8743b0e371cSJiri Olsa return 0; 8753b0e371cSJiri Olsa 8763b0e371cSJiri Olsa if (err) { 8773b0e371cSJiri Olsa err->idx = term->err_val; 8783b0e371cSJiri Olsa if (type == PARSE_EVENTS__TERM_TYPE_NUM) 8793b0e371cSJiri Olsa err->str = strdup("expected numeric value"); 8803b0e371cSJiri Olsa else 8813b0e371cSJiri Olsa err->str = strdup("expected string value"); 8823b0e371cSJiri Olsa } 8833b0e371cSJiri Olsa return -EINVAL; 8843b0e371cSJiri Olsa } 8853b0e371cSJiri Olsa 88617cb5f84SWang Nan /* 88717cb5f84SWang Nan * Update according to parse-events.l 88817cb5f84SWang Nan */ 88917cb5f84SWang Nan static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = { 89017cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_USER] = "<sysfs term>", 89117cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG] = "config", 89217cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG1] = "config1", 89317cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG2] = "config2", 89417cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_NAME] = "name", 89517cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD] = "period", 89617cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ] = "freq", 89717cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE] = "branch_type", 89817cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_TIME] = "time", 89917cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CALLGRAPH] = "call-graph", 90017cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_STACKSIZE] = "stack-size", 90117cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_NOINHERIT] = "no-inherit", 90217cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_INHERIT] = "inherit", 90317cb5f84SWang Nan }; 90417cb5f84SWang Nan 9051669e509SWang Nan static bool config_term_shrinked; 9061669e509SWang Nan 9071669e509SWang Nan static bool 9081669e509SWang Nan config_term_avail(int term_type, struct parse_events_error *err) 9091669e509SWang Nan { 9101669e509SWang Nan if (term_type < 0 || term_type >= __PARSE_EVENTS__TERM_TYPE_NR) { 9111669e509SWang Nan err->str = strdup("Invalid term_type"); 9121669e509SWang Nan return false; 9131669e509SWang Nan } 9141669e509SWang Nan if (!config_term_shrinked) 9151669e509SWang Nan return true; 9161669e509SWang Nan 9171669e509SWang Nan switch (term_type) { 9181669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG: 9191669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG1: 9201669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG2: 9211669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_NAME: 9221669e509SWang Nan return true; 9231669e509SWang Nan default: 9241669e509SWang Nan if (!err) 9251669e509SWang Nan return false; 9261669e509SWang Nan 9271669e509SWang Nan /* term_type is validated so indexing is safe */ 9281669e509SWang Nan if (asprintf(&err->str, "'%s' is not usable in 'perf stat'", 9291669e509SWang Nan config_term_names[term_type]) < 0) 9301669e509SWang Nan err->str = NULL; 9311669e509SWang Nan return false; 9321669e509SWang Nan } 9331669e509SWang Nan } 9341669e509SWang Nan 9351669e509SWang Nan void parse_events__shrink_config_terms(void) 9361669e509SWang Nan { 9371669e509SWang Nan config_term_shrinked = true; 9381669e509SWang Nan } 9391669e509SWang Nan 9400b8891a8SHe Kuang static int config_term_common(struct perf_event_attr *attr, 9413b0e371cSJiri Olsa struct parse_events_term *term, 9423b0e371cSJiri Olsa struct parse_events_error *err) 9438f707d84SJiri Olsa { 94416fa7e82SJiri Olsa #define CHECK_TYPE_VAL(type) \ 94516fa7e82SJiri Olsa do { \ 9463b0e371cSJiri Olsa if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ 94716fa7e82SJiri Olsa return -EINVAL; \ 94816fa7e82SJiri Olsa } while (0) 94916fa7e82SJiri Olsa 95016fa7e82SJiri Olsa switch (term->type_term) { 9518f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG: 95216fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9538f707d84SJiri Olsa attr->config = term->val.num; 9548f707d84SJiri Olsa break; 9558f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG1: 95616fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9578f707d84SJiri Olsa attr->config1 = term->val.num; 9588f707d84SJiri Olsa break; 9598f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG2: 96016fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9618f707d84SJiri Olsa attr->config2 = term->val.num; 9628f707d84SJiri Olsa break; 9638f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: 96416fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9658f707d84SJiri Olsa break; 96609af2a55SNamhyung Kim case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: 96709af2a55SNamhyung Kim CHECK_TYPE_VAL(NUM); 96809af2a55SNamhyung Kim break; 9698f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: 9708f707d84SJiri Olsa /* 9718f707d84SJiri Olsa * TODO uncomment when the field is available 9728f707d84SJiri Olsa * attr->branch_sample_type = term->val.num; 9738f707d84SJiri Olsa */ 9748f707d84SJiri Olsa break; 97532067712SKan Liang case PARSE_EVENTS__TERM_TYPE_TIME: 97632067712SKan Liang CHECK_TYPE_VAL(NUM); 97732067712SKan Liang if (term->val.num > 1) { 97832067712SKan Liang err->str = strdup("expected 0 or 1"); 97932067712SKan Liang err->idx = term->err_val; 98032067712SKan Liang return -EINVAL; 98132067712SKan Liang } 98232067712SKan Liang break; 983d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 984d457c963SKan Liang CHECK_TYPE_VAL(STR); 985d457c963SKan Liang break; 986d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 987d457c963SKan Liang CHECK_TYPE_VAL(NUM); 988d457c963SKan Liang break; 989374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 990374ce938SWang Nan CHECK_TYPE_VAL(NUM); 991374ce938SWang Nan break; 992374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 993374ce938SWang Nan CHECK_TYPE_VAL(NUM); 994374ce938SWang Nan break; 9956b5fc39bSJiri Olsa case PARSE_EVENTS__TERM_TYPE_NAME: 9966b5fc39bSJiri Olsa CHECK_TYPE_VAL(STR); 9976b5fc39bSJiri Olsa break; 9988f707d84SJiri Olsa default: 999ffeb883eSHe Kuang err->str = strdup("unknown term"); 1000ffeb883eSHe Kuang err->idx = term->err_term; 1001ffeb883eSHe Kuang err->help = parse_events_formats_error_string(NULL); 10028f707d84SJiri Olsa return -EINVAL; 10038f707d84SJiri Olsa } 100416fa7e82SJiri Olsa 10051669e509SWang Nan /* 10061669e509SWang Nan * Check term availbility after basic checking so 10071669e509SWang Nan * PARSE_EVENTS__TERM_TYPE_USER can be found and filtered. 10081669e509SWang Nan * 10091669e509SWang Nan * If check availbility at the entry of this function, 10101669e509SWang Nan * user will see "'<sysfs term>' is not usable in 'perf stat'" 10111669e509SWang Nan * if an invalid config term is provided for legacy events 10121669e509SWang Nan * (for example, instructions/badterm/...), which is confusing. 10131669e509SWang Nan */ 10141669e509SWang Nan if (!config_term_avail(term->type_term, err)) 10151669e509SWang Nan return -EINVAL; 10168f707d84SJiri Olsa return 0; 101716fa7e82SJiri Olsa #undef CHECK_TYPE_VAL 10188f707d84SJiri Olsa } 10198f707d84SJiri Olsa 10200b8891a8SHe Kuang static int config_term_pmu(struct perf_event_attr *attr, 10210b8891a8SHe Kuang struct parse_events_term *term, 10220b8891a8SHe Kuang struct parse_events_error *err) 10230b8891a8SHe Kuang { 10240b8891a8SHe Kuang if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER) 10250b8891a8SHe Kuang /* 10260b8891a8SHe Kuang * Always succeed for sysfs terms, as we dont know 10270b8891a8SHe Kuang * at this point what type they need to have. 10280b8891a8SHe Kuang */ 10290b8891a8SHe Kuang return 0; 10300b8891a8SHe Kuang else 10310b8891a8SHe Kuang return config_term_common(attr, term, err); 10320b8891a8SHe Kuang } 10330b8891a8SHe Kuang 1034e637d177SHe Kuang static int config_term_tracepoint(struct perf_event_attr *attr, 1035e637d177SHe Kuang struct parse_events_term *term, 1036e637d177SHe Kuang struct parse_events_error *err) 1037e637d177SHe Kuang { 1038e637d177SHe Kuang switch (term->type_term) { 1039e637d177SHe Kuang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 1040e637d177SHe Kuang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 1041374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 1042374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 1043e637d177SHe Kuang return config_term_common(attr, term, err); 1044e637d177SHe Kuang default: 1045e637d177SHe Kuang if (err) { 1046e637d177SHe Kuang err->idx = term->err_term; 1047e637d177SHe Kuang err->str = strdup("unknown term"); 1048e637d177SHe Kuang err->help = strdup("valid terms: call-graph,stack-size\n"); 1049e637d177SHe Kuang } 1050e637d177SHe Kuang return -EINVAL; 1051e637d177SHe Kuang } 1052e637d177SHe Kuang 1053e637d177SHe Kuang return 0; 1054e637d177SHe Kuang } 1055e637d177SHe Kuang 10568f707d84SJiri Olsa static int config_attr(struct perf_event_attr *attr, 10573b0e371cSJiri Olsa struct list_head *head, 10580b8891a8SHe Kuang struct parse_events_error *err, 10590b8891a8SHe Kuang config_term_func_t config_term) 10608f707d84SJiri Olsa { 10616cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term; 10628f707d84SJiri Olsa 10638f707d84SJiri Olsa list_for_each_entry(term, head, list) 10643b0e371cSJiri Olsa if (config_term(attr, term, err)) 10658f707d84SJiri Olsa return -EINVAL; 10668f707d84SJiri Olsa 10678f707d84SJiri Olsa return 0; 10688f707d84SJiri Olsa } 10698f707d84SJiri Olsa 1070930a2e29SJiri Olsa static int get_config_terms(struct list_head *head_config, 1071930a2e29SJiri Olsa struct list_head *head_terms __maybe_unused) 1072930a2e29SJiri Olsa { 1073930a2e29SJiri Olsa #define ADD_CONFIG_TERM(__type, __name, __val) \ 1074930a2e29SJiri Olsa do { \ 1075930a2e29SJiri Olsa struct perf_evsel_config_term *__t; \ 1076930a2e29SJiri Olsa \ 1077930a2e29SJiri Olsa __t = zalloc(sizeof(*__t)); \ 1078930a2e29SJiri Olsa if (!__t) \ 1079930a2e29SJiri Olsa return -ENOMEM; \ 1080930a2e29SJiri Olsa \ 1081930a2e29SJiri Olsa INIT_LIST_HEAD(&__t->list); \ 1082930a2e29SJiri Olsa __t->type = PERF_EVSEL__CONFIG_TERM_ ## __type; \ 1083930a2e29SJiri Olsa __t->val.__name = __val; \ 1084930a2e29SJiri Olsa list_add_tail(&__t->list, head_terms); \ 1085930a2e29SJiri Olsa } while (0) 1086930a2e29SJiri Olsa 1087930a2e29SJiri Olsa struct parse_events_term *term; 1088930a2e29SJiri Olsa 1089930a2e29SJiri Olsa list_for_each_entry(term, head_config, list) { 1090930a2e29SJiri Olsa switch (term->type_term) { 1091ee4c7588SJiri Olsa case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: 1092ee4c7588SJiri Olsa ADD_CONFIG_TERM(PERIOD, period, term->val.num); 109332067712SKan Liang break; 109409af2a55SNamhyung Kim case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: 109509af2a55SNamhyung Kim ADD_CONFIG_TERM(FREQ, freq, term->val.num); 109609af2a55SNamhyung Kim break; 109732067712SKan Liang case PARSE_EVENTS__TERM_TYPE_TIME: 109832067712SKan Liang ADD_CONFIG_TERM(TIME, time, term->val.num); 109932067712SKan Liang break; 1100d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 1101d457c963SKan Liang ADD_CONFIG_TERM(CALLGRAPH, callgraph, term->val.str); 1102d457c963SKan Liang break; 1103d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 1104d457c963SKan Liang ADD_CONFIG_TERM(STACK_USER, stack_user, term->val.num); 1105d457c963SKan Liang break; 1106374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 1107374ce938SWang Nan ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 1 : 0); 1108374ce938SWang Nan break; 1109374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 1110374ce938SWang Nan ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 0 : 1); 1111374ce938SWang Nan break; 1112930a2e29SJiri Olsa default: 1113930a2e29SJiri Olsa break; 1114930a2e29SJiri Olsa } 1115930a2e29SJiri Olsa } 1116930a2e29SJiri Olsa #undef ADD_EVSEL_CONFIG 1117930a2e29SJiri Olsa return 0; 1118930a2e29SJiri Olsa } 1119930a2e29SJiri Olsa 1120e637d177SHe Kuang int parse_events_add_tracepoint(struct list_head *list, int *idx, 1121e637d177SHe Kuang char *sys, char *event, 1122272ed29aSJiri Olsa struct parse_events_error *err, 1123e637d177SHe Kuang struct list_head *head_config) 1124e637d177SHe Kuang { 1125e637d177SHe Kuang if (head_config) { 1126e637d177SHe Kuang struct perf_event_attr attr; 1127e637d177SHe Kuang 1128272ed29aSJiri Olsa if (config_attr(&attr, head_config, err, 1129e637d177SHe Kuang config_term_tracepoint)) 1130e637d177SHe Kuang return -EINVAL; 1131e637d177SHe Kuang } 1132e637d177SHe Kuang 1133e637d177SHe Kuang if (strpbrk(sys, "*?")) 1134e637d177SHe Kuang return add_tracepoint_multi_sys(list, idx, sys, event, 1135272ed29aSJiri Olsa err, head_config); 1136e637d177SHe Kuang else 1137e637d177SHe Kuang return add_tracepoint_event(list, idx, sys, event, 1138272ed29aSJiri Olsa err, head_config); 1139e637d177SHe Kuang } 1140e637d177SHe Kuang 114187d650beSJiri Olsa int parse_events_add_numeric(struct parse_events_evlist *data, 114287d650beSJiri Olsa struct list_head *list, 1143b527bab5SRobert Richter u32 type, u64 config, 11448f707d84SJiri Olsa struct list_head *head_config) 114574d5b588SJaswinder Singh Rajput { 114689812fc8SJiri Olsa struct perf_event_attr attr; 1147930a2e29SJiri Olsa LIST_HEAD(config_terms); 114874d5b588SJaswinder Singh Rajput 114989812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 115089812fc8SJiri Olsa attr.type = type; 115189812fc8SJiri Olsa attr.config = config; 11528f707d84SJiri Olsa 1153930a2e29SJiri Olsa if (head_config) { 11540b8891a8SHe Kuang if (config_attr(&attr, head_config, data->error, 11550b8891a8SHe Kuang config_term_common)) 11568f707d84SJiri Olsa return -EINVAL; 11578f707d84SJiri Olsa 1158930a2e29SJiri Olsa if (get_config_terms(head_config, &config_terms)) 1159930a2e29SJiri Olsa return -ENOMEM; 1160930a2e29SJiri Olsa } 1161930a2e29SJiri Olsa 116210bf358aSWang Nan return add_event(list, &data->idx, &attr, 116310bf358aSWang Nan get_config_name(head_config), &config_terms); 1164b908debdSIngo Molnar } 1165b908debdSIngo Molnar 116636adec85SJiri Olsa int parse_events_add_pmu(struct parse_events_evlist *data, 116736adec85SJiri Olsa struct list_head *list, char *name, 116836adec85SJiri Olsa struct list_head *head_config) 11695f537a26SJiri Olsa { 11705f537a26SJiri Olsa struct perf_event_attr attr; 117146441bdcSMatt Fleming struct perf_pmu_info info; 11725f537a26SJiri Olsa struct perf_pmu *pmu; 1173410136f5SStephane Eranian struct perf_evsel *evsel; 1174930a2e29SJiri Olsa LIST_HEAD(config_terms); 11755f537a26SJiri Olsa 11765f537a26SJiri Olsa pmu = perf_pmu__find(name); 11775f537a26SJiri Olsa if (!pmu) 11785f537a26SJiri Olsa return -EINVAL; 11795f537a26SJiri Olsa 1180dc0a6202SAdrian Hunter if (pmu->default_config) { 1181dc0a6202SAdrian Hunter memcpy(&attr, pmu->default_config, 1182dc0a6202SAdrian Hunter sizeof(struct perf_event_attr)); 1183dc0a6202SAdrian Hunter } else { 11845f537a26SJiri Olsa memset(&attr, 0, sizeof(attr)); 1185dc0a6202SAdrian Hunter } 11865f537a26SJiri Olsa 1187ad962273SAdrian Hunter if (!head_config) { 1188ad962273SAdrian Hunter attr.type = pmu->type; 1189930a2e29SJiri Olsa evsel = __add_event(list, &data->idx, &attr, NULL, pmu->cpus, NULL); 1190ad962273SAdrian Hunter return evsel ? 0 : -ENOMEM; 1191ad962273SAdrian Hunter } 1192ad962273SAdrian Hunter 119346441bdcSMatt Fleming if (perf_pmu__check_alias(pmu, head_config, &info)) 1194a6146d50SZheng Yan return -EINVAL; 1195a6146d50SZheng Yan 11965f537a26SJiri Olsa /* 11975f537a26SJiri Olsa * Configure hardcoded terms first, no need to check 11985f537a26SJiri Olsa * return value when called with fail == 0 ;) 11995f537a26SJiri Olsa */ 12000b8891a8SHe Kuang if (config_attr(&attr, head_config, data->error, config_term_pmu)) 1201c056ba6aSJiri Olsa return -EINVAL; 12025f537a26SJiri Olsa 1203930a2e29SJiri Olsa if (get_config_terms(head_config, &config_terms)) 1204930a2e29SJiri Olsa return -ENOMEM; 1205930a2e29SJiri Olsa 1206e64b020bSJiri Olsa if (perf_pmu__config(pmu, &attr, head_config, data->error)) 12075f537a26SJiri Olsa return -EINVAL; 12085f537a26SJiri Olsa 120936adec85SJiri Olsa evsel = __add_event(list, &data->idx, &attr, 1210e814fdddSWang Nan get_config_name(head_config), pmu->cpus, 1211930a2e29SJiri Olsa &config_terms); 1212410136f5SStephane Eranian if (evsel) { 121346441bdcSMatt Fleming evsel->unit = info.unit; 121446441bdcSMatt Fleming evsel->scale = info.scale; 1215044330c1SMatt Fleming evsel->per_pkg = info.per_pkg; 12161d9e446bSJiri Olsa evsel->snapshot = info.snapshot; 1217410136f5SStephane Eranian } 1218410136f5SStephane Eranian 1219410136f5SStephane Eranian return evsel ? 0 : -ENOMEM; 12205f537a26SJiri Olsa } 12215f537a26SJiri Olsa 12226a4bb04cSJiri Olsa int parse_events__modifier_group(struct list_head *list, 12236a4bb04cSJiri Olsa char *event_mod) 122489efb029SJiri Olsa { 12256a4bb04cSJiri Olsa return parse_events__modifier_event(list, event_mod, true); 12266a4bb04cSJiri Olsa } 12276a4bb04cSJiri Olsa 122863dab225SArnaldo Carvalho de Melo void parse_events__set_leader(char *name, struct list_head *list) 12296a4bb04cSJiri Olsa { 12306a4bb04cSJiri Olsa struct perf_evsel *leader; 12316a4bb04cSJiri Olsa 1232854f7363SWang Nan if (list_empty(list)) { 1233854f7363SWang Nan WARN_ONCE(true, "WARNING: failed to set leader: empty list"); 1234854f7363SWang Nan return; 1235854f7363SWang Nan } 1236854f7363SWang Nan 123763dab225SArnaldo Carvalho de Melo __perf_evlist__set_leader(list); 123863dab225SArnaldo Carvalho de Melo leader = list_entry(list->next, struct perf_evsel, node); 12396a4bb04cSJiri Olsa leader->group_name = name ? strdup(name) : NULL; 124089efb029SJiri Olsa } 124189efb029SJiri Olsa 1242c5cd8ac0SDavid Ahern /* list_event is assumed to point to malloc'ed memory */ 12435d7be90eSJiri Olsa void parse_events_update_lists(struct list_head *list_event, 12445d7be90eSJiri Olsa struct list_head *list_all) 12455d7be90eSJiri Olsa { 12465d7be90eSJiri Olsa /* 12475d7be90eSJiri Olsa * Called for single event definition. Update the 124889efb029SJiri Olsa * 'all event' list, and reinit the 'single event' 12495d7be90eSJiri Olsa * list, for next event definition. 12505d7be90eSJiri Olsa */ 12515d7be90eSJiri Olsa list_splice_tail(list_event, list_all); 1252b847cbdcSJiri Olsa free(list_event); 12535d7be90eSJiri Olsa } 12545d7be90eSJiri Olsa 1255f5b1135bSJiri Olsa struct event_modifier { 1256f5b1135bSJiri Olsa int eu; 1257f5b1135bSJiri Olsa int ek; 1258f5b1135bSJiri Olsa int eh; 1259f5b1135bSJiri Olsa int eH; 1260f5b1135bSJiri Olsa int eG; 1261a1e12da4SJiri Olsa int eI; 1262f5b1135bSJiri Olsa int precise; 12637f94af7aSJiri Olsa int precise_max; 1264f5b1135bSJiri Olsa int exclude_GH; 12653c176311SJiri Olsa int sample_read; 1266e9a7c414SMichael Ellerman int pinned; 1267f5b1135bSJiri Olsa }; 126861c45981SPaul Mackerras 1269f5b1135bSJiri Olsa static int get_event_modifier(struct event_modifier *mod, char *str, 1270f5b1135bSJiri Olsa struct perf_evsel *evsel) 1271f5b1135bSJiri Olsa { 1272f5b1135bSJiri Olsa int eu = evsel ? evsel->attr.exclude_user : 0; 1273f5b1135bSJiri Olsa int ek = evsel ? evsel->attr.exclude_kernel : 0; 1274f5b1135bSJiri Olsa int eh = evsel ? evsel->attr.exclude_hv : 0; 1275f5b1135bSJiri Olsa int eH = evsel ? evsel->attr.exclude_host : 0; 1276f5b1135bSJiri Olsa int eG = evsel ? evsel->attr.exclude_guest : 0; 1277a1e12da4SJiri Olsa int eI = evsel ? evsel->attr.exclude_idle : 0; 1278f5b1135bSJiri Olsa int precise = evsel ? evsel->attr.precise_ip : 0; 12797f94af7aSJiri Olsa int precise_max = 0; 12803c176311SJiri Olsa int sample_read = 0; 1281e9a7c414SMichael Ellerman int pinned = evsel ? evsel->attr.pinned : 0; 1282f5b1135bSJiri Olsa 1283f5b1135bSJiri Olsa int exclude = eu | ek | eh; 1284f5b1135bSJiri Olsa int exclude_GH = evsel ? evsel->exclude_GH : 0; 1285f5b1135bSJiri Olsa 1286f5b1135bSJiri Olsa memset(mod, 0, sizeof(*mod)); 1287ceb53fbfSIngo Molnar 128861c45981SPaul Mackerras while (*str) { 1289ab608344SPeter Zijlstra if (*str == 'u') { 1290ab608344SPeter Zijlstra if (!exclude) 1291ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 129261c45981SPaul Mackerras eu = 0; 1293ab608344SPeter Zijlstra } else if (*str == 'k') { 1294ab608344SPeter Zijlstra if (!exclude) 1295ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 129661c45981SPaul Mackerras ek = 0; 1297ab608344SPeter Zijlstra } else if (*str == 'h') { 1298ab608344SPeter Zijlstra if (!exclude) 1299ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 130061c45981SPaul Mackerras eh = 0; 130199320cc8SJoerg Roedel } else if (*str == 'G') { 130299320cc8SJoerg Roedel if (!exclude_GH) 130399320cc8SJoerg Roedel exclude_GH = eG = eH = 1; 130499320cc8SJoerg Roedel eG = 0; 130599320cc8SJoerg Roedel } else if (*str == 'H') { 130699320cc8SJoerg Roedel if (!exclude_GH) 130799320cc8SJoerg Roedel exclude_GH = eG = eH = 1; 130899320cc8SJoerg Roedel eH = 0; 1309a1e12da4SJiri Olsa } else if (*str == 'I') { 1310a1e12da4SJiri Olsa eI = 1; 1311ab608344SPeter Zijlstra } else if (*str == 'p') { 1312ab608344SPeter Zijlstra precise++; 13131342798cSDavid Ahern /* use of precise requires exclude_guest */ 13141342798cSDavid Ahern if (!exclude_GH) 13151342798cSDavid Ahern eG = 1; 13167f94af7aSJiri Olsa } else if (*str == 'P') { 13177f94af7aSJiri Olsa precise_max = 1; 13183c176311SJiri Olsa } else if (*str == 'S') { 13193c176311SJiri Olsa sample_read = 1; 1320e9a7c414SMichael Ellerman } else if (*str == 'D') { 1321e9a7c414SMichael Ellerman pinned = 1; 1322ab608344SPeter Zijlstra } else 132361c45981SPaul Mackerras break; 1324ab608344SPeter Zijlstra 132561c45981SPaul Mackerras ++str; 132661c45981SPaul Mackerras } 132774d5b588SJaswinder Singh Rajput 132886470930SIngo Molnar /* 132989812fc8SJiri Olsa * precise ip: 133089812fc8SJiri Olsa * 133189812fc8SJiri Olsa * 0 - SAMPLE_IP can have arbitrary skid 133289812fc8SJiri Olsa * 1 - SAMPLE_IP must have constant skid 133389812fc8SJiri Olsa * 2 - SAMPLE_IP requested to have 0 skid 133489812fc8SJiri Olsa * 3 - SAMPLE_IP must have 0 skid 133589812fc8SJiri Olsa * 133689812fc8SJiri Olsa * See also PERF_RECORD_MISC_EXACT_IP 133786470930SIngo Molnar */ 133889812fc8SJiri Olsa if (precise > 3) 133989812fc8SJiri Olsa return -EINVAL; 134086470930SIngo Molnar 1341f5b1135bSJiri Olsa mod->eu = eu; 1342f5b1135bSJiri Olsa mod->ek = ek; 1343f5b1135bSJiri Olsa mod->eh = eh; 1344f5b1135bSJiri Olsa mod->eH = eH; 1345f5b1135bSJiri Olsa mod->eG = eG; 1346a1e12da4SJiri Olsa mod->eI = eI; 1347f5b1135bSJiri Olsa mod->precise = precise; 13487f94af7aSJiri Olsa mod->precise_max = precise_max; 1349f5b1135bSJiri Olsa mod->exclude_GH = exclude_GH; 13503c176311SJiri Olsa mod->sample_read = sample_read; 1351e9a7c414SMichael Ellerman mod->pinned = pinned; 1352e9a7c414SMichael Ellerman 1353f5b1135bSJiri Olsa return 0; 1354f5b1135bSJiri Olsa } 1355f5b1135bSJiri Olsa 1356534123f4SJiri Olsa /* 1357534123f4SJiri Olsa * Basic modifier sanity check to validate it contains only one 1358534123f4SJiri Olsa * instance of any modifier (apart from 'p') present. 1359534123f4SJiri Olsa */ 1360534123f4SJiri Olsa static int check_modifier(char *str) 1361534123f4SJiri Olsa { 1362534123f4SJiri Olsa char *p = str; 1363534123f4SJiri Olsa 1364534123f4SJiri Olsa /* The sizeof includes 0 byte as well. */ 13657f94af7aSJiri Olsa if (strlen(str) > (sizeof("ukhGHpppPSDI") - 1)) 1366534123f4SJiri Olsa return -1; 1367534123f4SJiri Olsa 1368534123f4SJiri Olsa while (*p) { 1369534123f4SJiri Olsa if (*p != 'p' && strchr(p + 1, *p)) 1370534123f4SJiri Olsa return -1; 1371534123f4SJiri Olsa p++; 1372534123f4SJiri Olsa } 1373534123f4SJiri Olsa 1374534123f4SJiri Olsa return 0; 1375534123f4SJiri Olsa } 1376534123f4SJiri Olsa 1377f5b1135bSJiri Olsa int parse_events__modifier_event(struct list_head *list, char *str, bool add) 1378f5b1135bSJiri Olsa { 1379f5b1135bSJiri Olsa struct perf_evsel *evsel; 1380f5b1135bSJiri Olsa struct event_modifier mod; 1381f5b1135bSJiri Olsa 1382f5b1135bSJiri Olsa if (str == NULL) 1383f5b1135bSJiri Olsa return 0; 1384f5b1135bSJiri Olsa 1385534123f4SJiri Olsa if (check_modifier(str)) 1386534123f4SJiri Olsa return -EINVAL; 1387534123f4SJiri Olsa 1388f5b1135bSJiri Olsa if (!add && get_event_modifier(&mod, str, NULL)) 1389f5b1135bSJiri Olsa return -EINVAL; 1390f5b1135bSJiri Olsa 13910050f7aaSArnaldo Carvalho de Melo __evlist__for_each(list, evsel) { 1392f5b1135bSJiri Olsa if (add && get_event_modifier(&mod, str, evsel)) 1393f5b1135bSJiri Olsa return -EINVAL; 1394f5b1135bSJiri Olsa 1395f5b1135bSJiri Olsa evsel->attr.exclude_user = mod.eu; 1396f5b1135bSJiri Olsa evsel->attr.exclude_kernel = mod.ek; 1397f5b1135bSJiri Olsa evsel->attr.exclude_hv = mod.eh; 1398f5b1135bSJiri Olsa evsel->attr.precise_ip = mod.precise; 1399f5b1135bSJiri Olsa evsel->attr.exclude_host = mod.eH; 1400f5b1135bSJiri Olsa evsel->attr.exclude_guest = mod.eG; 1401a1e12da4SJiri Olsa evsel->attr.exclude_idle = mod.eI; 1402f5b1135bSJiri Olsa evsel->exclude_GH = mod.exclude_GH; 14033c176311SJiri Olsa evsel->sample_read = mod.sample_read; 14047f94af7aSJiri Olsa evsel->precise_max = mod.precise_max; 1405e9a7c414SMichael Ellerman 1406e9a7c414SMichael Ellerman if (perf_evsel__is_group_leader(evsel)) 1407e9a7c414SMichael Ellerman evsel->attr.pinned = mod.pinned; 1408ceb53fbfSIngo Molnar } 140986470930SIngo Molnar 141089812fc8SJiri Olsa return 0; 141186470930SIngo Molnar } 141286470930SIngo Molnar 1413ac2ba9f3SRobert Richter int parse_events_name(struct list_head *list, char *name) 1414ac2ba9f3SRobert Richter { 1415ac2ba9f3SRobert Richter struct perf_evsel *evsel; 1416ac2ba9f3SRobert Richter 14170050f7aaSArnaldo Carvalho de Melo __evlist__for_each(list, evsel) { 1418ac2ba9f3SRobert Richter if (!evsel->name) 1419ac2ba9f3SRobert Richter evsel->name = strdup(name); 1420ac2ba9f3SRobert Richter } 1421ac2ba9f3SRobert Richter 1422ac2ba9f3SRobert Richter return 0; 1423ac2ba9f3SRobert Richter } 1424ac2ba9f3SRobert Richter 1425dcb4e102SKan Liang static int 1426dcb4e102SKan Liang comp_pmu(const void *p1, const void *p2) 1427dcb4e102SKan Liang { 1428dcb4e102SKan Liang struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; 1429dcb4e102SKan Liang struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; 1430dcb4e102SKan Liang 1431dcb4e102SKan Liang return strcmp(pmu1->symbol, pmu2->symbol); 1432dcb4e102SKan Liang } 1433dcb4e102SKan Liang 1434dcb4e102SKan Liang static void perf_pmu__parse_cleanup(void) 1435dcb4e102SKan Liang { 1436dcb4e102SKan Liang if (perf_pmu_events_list_num > 0) { 1437dcb4e102SKan Liang struct perf_pmu_event_symbol *p; 1438dcb4e102SKan Liang int i; 1439dcb4e102SKan Liang 1440dcb4e102SKan Liang for (i = 0; i < perf_pmu_events_list_num; i++) { 1441dcb4e102SKan Liang p = perf_pmu_events_list + i; 1442dcb4e102SKan Liang free(p->symbol); 1443dcb4e102SKan Liang } 1444dcb4e102SKan Liang free(perf_pmu_events_list); 1445dcb4e102SKan Liang perf_pmu_events_list = NULL; 1446dcb4e102SKan Liang perf_pmu_events_list_num = 0; 1447dcb4e102SKan Liang } 1448dcb4e102SKan Liang } 1449dcb4e102SKan Liang 1450dcb4e102SKan Liang #define SET_SYMBOL(str, stype) \ 1451dcb4e102SKan Liang do { \ 1452dcb4e102SKan Liang p->symbol = str; \ 1453dcb4e102SKan Liang if (!p->symbol) \ 1454dcb4e102SKan Liang goto err; \ 1455dcb4e102SKan Liang p->type = stype; \ 1456dcb4e102SKan Liang } while (0) 1457dcb4e102SKan Liang 1458dcb4e102SKan Liang /* 1459dcb4e102SKan Liang * Read the pmu events list from sysfs 1460dcb4e102SKan Liang * Save it into perf_pmu_events_list 1461dcb4e102SKan Liang */ 1462dcb4e102SKan Liang static void perf_pmu__parse_init(void) 1463dcb4e102SKan Liang { 1464dcb4e102SKan Liang 1465dcb4e102SKan Liang struct perf_pmu *pmu = NULL; 1466dcb4e102SKan Liang struct perf_pmu_alias *alias; 1467dcb4e102SKan Liang int len = 0; 1468dcb4e102SKan Liang 1469dcb4e102SKan Liang pmu = perf_pmu__find("cpu"); 1470dcb4e102SKan Liang if ((pmu == NULL) || list_empty(&pmu->aliases)) { 1471dcb4e102SKan Liang perf_pmu_events_list_num = -1; 1472dcb4e102SKan Liang return; 1473dcb4e102SKan Liang } 1474dcb4e102SKan Liang list_for_each_entry(alias, &pmu->aliases, list) { 1475dcb4e102SKan Liang if (strchr(alias->name, '-')) 1476dcb4e102SKan Liang len++; 1477dcb4e102SKan Liang len++; 1478dcb4e102SKan Liang } 1479dcb4e102SKan Liang perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); 1480dcb4e102SKan Liang if (!perf_pmu_events_list) 1481dcb4e102SKan Liang return; 1482dcb4e102SKan Liang perf_pmu_events_list_num = len; 1483dcb4e102SKan Liang 1484dcb4e102SKan Liang len = 0; 1485dcb4e102SKan Liang list_for_each_entry(alias, &pmu->aliases, list) { 1486dcb4e102SKan Liang struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; 1487dcb4e102SKan Liang char *tmp = strchr(alias->name, '-'); 1488dcb4e102SKan Liang 1489dcb4e102SKan Liang if (tmp != NULL) { 1490dcb4e102SKan Liang SET_SYMBOL(strndup(alias->name, tmp - alias->name), 1491dcb4e102SKan Liang PMU_EVENT_SYMBOL_PREFIX); 1492dcb4e102SKan Liang p++; 1493dcb4e102SKan Liang SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); 1494dcb4e102SKan Liang len += 2; 1495dcb4e102SKan Liang } else { 1496dcb4e102SKan Liang SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); 1497dcb4e102SKan Liang len++; 1498dcb4e102SKan Liang } 1499dcb4e102SKan Liang } 1500dcb4e102SKan Liang qsort(perf_pmu_events_list, len, 1501dcb4e102SKan Liang sizeof(struct perf_pmu_event_symbol), comp_pmu); 1502dcb4e102SKan Liang 1503dcb4e102SKan Liang return; 1504dcb4e102SKan Liang err: 1505dcb4e102SKan Liang perf_pmu__parse_cleanup(); 1506dcb4e102SKan Liang } 1507dcb4e102SKan Liang 1508dcb4e102SKan Liang enum perf_pmu_event_symbol_type 1509dcb4e102SKan Liang perf_pmu__parse_check(const char *name) 1510dcb4e102SKan Liang { 1511dcb4e102SKan Liang struct perf_pmu_event_symbol p, *r; 1512dcb4e102SKan Liang 1513dcb4e102SKan Liang /* scan kernel pmu events from sysfs if needed */ 1514dcb4e102SKan Liang if (perf_pmu_events_list_num == 0) 1515dcb4e102SKan Liang perf_pmu__parse_init(); 1516dcb4e102SKan Liang /* 1517dcb4e102SKan Liang * name "cpu" could be prefix of cpu-cycles or cpu// events. 1518dcb4e102SKan Liang * cpu-cycles has been handled by hardcode. 1519dcb4e102SKan Liang * So it must be cpu// events, not kernel pmu event. 1520dcb4e102SKan Liang */ 1521dcb4e102SKan Liang if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) 1522dcb4e102SKan Liang return PMU_EVENT_SYMBOL_ERR; 1523dcb4e102SKan Liang 1524dcb4e102SKan Liang p.symbol = strdup(name); 1525dcb4e102SKan Liang r = bsearch(&p, perf_pmu_events_list, 1526dcb4e102SKan Liang (size_t) perf_pmu_events_list_num, 1527dcb4e102SKan Liang sizeof(struct perf_pmu_event_symbol), comp_pmu); 1528dcb4e102SKan Liang free(p.symbol); 1529dcb4e102SKan Liang return r ? r->type : PMU_EVENT_SYMBOL_ERR; 1530dcb4e102SKan Liang } 1531dcb4e102SKan Liang 153290e2b22dSJiri Olsa static int parse_events__scanner(const char *str, void *data, int start_token) 1533ac20de6fSZheng Yan { 1534ac20de6fSZheng Yan YY_BUFFER_STATE buffer; 1535ac20de6fSZheng Yan void *scanner; 1536ac20de6fSZheng Yan int ret; 1537ac20de6fSZheng Yan 153890e2b22dSJiri Olsa ret = parse_events_lex_init_extra(start_token, &scanner); 1539ac20de6fSZheng Yan if (ret) 1540ac20de6fSZheng Yan return ret; 1541ac20de6fSZheng Yan 1542ac20de6fSZheng Yan buffer = parse_events__scan_string(str, scanner); 1543ac20de6fSZheng Yan 1544ac20de6fSZheng Yan #ifdef PARSER_DEBUG 1545ac20de6fSZheng Yan parse_events_debug = 1; 1546ac20de6fSZheng Yan #endif 1547ac20de6fSZheng Yan ret = parse_events_parse(data, scanner); 1548ac20de6fSZheng Yan 1549ac20de6fSZheng Yan parse_events__flush_buffer(buffer, scanner); 1550ac20de6fSZheng Yan parse_events__delete_buffer(buffer, scanner); 1551ac20de6fSZheng Yan parse_events_lex_destroy(scanner); 1552ac20de6fSZheng Yan return ret; 1553ac20de6fSZheng Yan } 1554ac20de6fSZheng Yan 155590e2b22dSJiri Olsa /* 155690e2b22dSJiri Olsa * parse event config string, return a list of event terms. 155790e2b22dSJiri Olsa */ 155890e2b22dSJiri Olsa int parse_events_terms(struct list_head *terms, const char *str) 155990e2b22dSJiri Olsa { 156023b6339bSArnaldo Carvalho de Melo struct parse_events_terms data = { 156190e2b22dSJiri Olsa .terms = NULL, 156290e2b22dSJiri Olsa }; 156390e2b22dSJiri Olsa int ret; 156490e2b22dSJiri Olsa 156590e2b22dSJiri Olsa ret = parse_events__scanner(str, &data, PE_START_TERMS); 156690e2b22dSJiri Olsa if (!ret) { 156790e2b22dSJiri Olsa list_splice(data.terms, terms); 156874cf249dSArnaldo Carvalho de Melo zfree(&data.terms); 156990e2b22dSJiri Olsa return 0; 157090e2b22dSJiri Olsa } 157190e2b22dSJiri Olsa 15722146afc6SArnaldo Carvalho de Melo parse_events_terms__delete(data.terms); 157390e2b22dSJiri Olsa return ret; 157490e2b22dSJiri Olsa } 157590e2b22dSJiri Olsa 1576b39b8393SJiri Olsa int parse_events(struct perf_evlist *evlist, const char *str, 1577b39b8393SJiri Olsa struct parse_events_error *err) 157886470930SIngo Molnar { 157923b6339bSArnaldo Carvalho de Melo struct parse_events_evlist data = { 158046010ab2SJiri Olsa .list = LIST_HEAD_INIT(data.list), 158146010ab2SJiri Olsa .idx = evlist->nr_entries, 1582b39b8393SJiri Olsa .error = err, 15837630b3e2SWang Nan .evlist = evlist, 158446010ab2SJiri Olsa }; 158546010ab2SJiri Olsa int ret; 158686470930SIngo Molnar 158790e2b22dSJiri Olsa ret = parse_events__scanner(str, &data, PE_START_EVENTS); 1588dcb4e102SKan Liang perf_pmu__parse_cleanup(); 158989812fc8SJiri Olsa if (!ret) { 159015bfd2ccSWang Nan struct perf_evsel *last; 159115bfd2ccSWang Nan 1592854f7363SWang Nan if (list_empty(&data.list)) { 1593854f7363SWang Nan WARN_ONCE(true, "WARNING: event parser found nothing"); 1594854f7363SWang Nan return -1; 1595854f7363SWang Nan } 1596854f7363SWang Nan 1597f114d6efSAdrian Hunter perf_evlist__splice_list_tail(evlist, &data.list); 159897f63e4aSNamhyung Kim evlist->nr_groups += data.nr_groups; 159915bfd2ccSWang Nan last = perf_evlist__last(evlist); 160015bfd2ccSWang Nan last->cmdline_group_boundary = true; 160115bfd2ccSWang Nan 160286470930SIngo Molnar return 0; 160386470930SIngo Molnar } 160486470930SIngo Molnar 16055d7be90eSJiri Olsa /* 16065d7be90eSJiri Olsa * There are 2 users - builtin-record and builtin-test objects. 16075d7be90eSJiri Olsa * Both call perf_evlist__delete in case of error, so we dont 16085d7be90eSJiri Olsa * need to bother. 16095d7be90eSJiri Olsa */ 161089812fc8SJiri Olsa return ret; 161189812fc8SJiri Olsa } 161289812fc8SJiri Olsa 1613b39b8393SJiri Olsa #define MAX_WIDTH 1000 1614b39b8393SJiri Olsa static int get_term_width(void) 1615b39b8393SJiri Olsa { 1616b39b8393SJiri Olsa struct winsize ws; 1617b39b8393SJiri Olsa 1618b39b8393SJiri Olsa get_term_dimensions(&ws); 1619b39b8393SJiri Olsa return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; 1620b39b8393SJiri Olsa } 1621b39b8393SJiri Olsa 1622b39b8393SJiri Olsa static void parse_events_print_error(struct parse_events_error *err, 1623b39b8393SJiri Olsa const char *event) 1624b39b8393SJiri Olsa { 1625b39b8393SJiri Olsa const char *str = "invalid or unsupported event: "; 1626b39b8393SJiri Olsa char _buf[MAX_WIDTH]; 1627b39b8393SJiri Olsa char *buf = (char *) event; 1628b39b8393SJiri Olsa int idx = 0; 1629b39b8393SJiri Olsa 1630b39b8393SJiri Olsa if (err->str) { 1631b39b8393SJiri Olsa /* -2 for extra '' in the final fprintf */ 1632b39b8393SJiri Olsa int width = get_term_width() - 2; 1633b39b8393SJiri Olsa int len_event = strlen(event); 1634b39b8393SJiri Olsa int len_str, max_len, cut = 0; 1635b39b8393SJiri Olsa 1636b39b8393SJiri Olsa /* 1637b39b8393SJiri Olsa * Maximum error index indent, we will cut 1638b39b8393SJiri Olsa * the event string if it's bigger. 1639b39b8393SJiri Olsa */ 1640141b2d31SAdrian Hunter int max_err_idx = 13; 1641b39b8393SJiri Olsa 1642b39b8393SJiri Olsa /* 1643b39b8393SJiri Olsa * Let's be specific with the message when 1644b39b8393SJiri Olsa * we have the precise error. 1645b39b8393SJiri Olsa */ 1646b39b8393SJiri Olsa str = "event syntax error: "; 1647b39b8393SJiri Olsa len_str = strlen(str); 1648b39b8393SJiri Olsa max_len = width - len_str; 1649b39b8393SJiri Olsa 1650b39b8393SJiri Olsa buf = _buf; 1651b39b8393SJiri Olsa 1652b39b8393SJiri Olsa /* We're cutting from the beggining. */ 1653b39b8393SJiri Olsa if (err->idx > max_err_idx) 1654b39b8393SJiri Olsa cut = err->idx - max_err_idx; 1655b39b8393SJiri Olsa 1656b39b8393SJiri Olsa strncpy(buf, event + cut, max_len); 1657b39b8393SJiri Olsa 1658b39b8393SJiri Olsa /* Mark cut parts with '..' on both sides. */ 1659b39b8393SJiri Olsa if (cut) 1660b39b8393SJiri Olsa buf[0] = buf[1] = '.'; 1661b39b8393SJiri Olsa 1662b39b8393SJiri Olsa if ((len_event - cut) > max_len) { 1663b39b8393SJiri Olsa buf[max_len - 1] = buf[max_len - 2] = '.'; 1664b39b8393SJiri Olsa buf[max_len] = 0; 1665b39b8393SJiri Olsa } 1666b39b8393SJiri Olsa 1667b39b8393SJiri Olsa idx = len_str + err->idx - cut; 1668b39b8393SJiri Olsa } 1669b39b8393SJiri Olsa 1670b39b8393SJiri Olsa fprintf(stderr, "%s'%s'\n", str, buf); 1671b39b8393SJiri Olsa if (idx) { 1672b39b8393SJiri Olsa fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err->str); 1673b39b8393SJiri Olsa if (err->help) 1674b39b8393SJiri Olsa fprintf(stderr, "\n%s\n", err->help); 1675b39b8393SJiri Olsa free(err->str); 1676b39b8393SJiri Olsa free(err->help); 1677b39b8393SJiri Olsa } 1678b39b8393SJiri Olsa 1679b39b8393SJiri Olsa fprintf(stderr, "Run 'perf list' for a list of valid events\n"); 1680b39b8393SJiri Olsa } 1681b39b8393SJiri Olsa 1682b39b8393SJiri Olsa #undef MAX_WIDTH 1683b39b8393SJiri Olsa 1684f120f9d5SJiri Olsa int parse_events_option(const struct option *opt, const char *str, 16851d037ca1SIrina Tirdea int unset __maybe_unused) 1686f120f9d5SJiri Olsa { 1687f120f9d5SJiri Olsa struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 1688b39b8393SJiri Olsa struct parse_events_error err = { .idx = 0, }; 1689b39b8393SJiri Olsa int ret = parse_events(evlist, str, &err); 16909175ce1fSAndi Kleen 1691b39b8393SJiri Olsa if (ret) 1692b39b8393SJiri Olsa parse_events_print_error(&err, str); 1693b39b8393SJiri Olsa 16949175ce1fSAndi Kleen return ret; 1695f120f9d5SJiri Olsa } 1696f120f9d5SJiri Olsa 16974ba1faa1SWang Nan static int 16984ba1faa1SWang Nan foreach_evsel_in_last_glob(struct perf_evlist *evlist, 16994ba1faa1SWang Nan int (*func)(struct perf_evsel *evsel, 17004ba1faa1SWang Nan const void *arg), 17014ba1faa1SWang Nan const void *arg) 1702c171b552SLi Zefan { 170369aad6f1SArnaldo Carvalho de Melo struct perf_evsel *last = NULL; 17044ba1faa1SWang Nan int err; 1705c171b552SLi Zefan 1706854f7363SWang Nan /* 1707854f7363SWang Nan * Don't return when list_empty, give func a chance to report 1708854f7363SWang Nan * error when it found last == NULL. 1709854f7363SWang Nan * 1710854f7363SWang Nan * So no need to WARN here, let *func do this. 1711854f7363SWang Nan */ 1712361c99a6SArnaldo Carvalho de Melo if (evlist->nr_entries > 0) 17130c21f736SArnaldo Carvalho de Melo last = perf_evlist__last(evlist); 171469aad6f1SArnaldo Carvalho de Melo 171515bfd2ccSWang Nan do { 17164ba1faa1SWang Nan err = (*func)(last, arg); 17174ba1faa1SWang Nan if (err) 1718c171b552SLi Zefan return -1; 17194ba1faa1SWang Nan if (!last) 17204ba1faa1SWang Nan return 0; 1721c171b552SLi Zefan 172215bfd2ccSWang Nan if (last->node.prev == &evlist->entries) 172315bfd2ccSWang Nan return 0; 172415bfd2ccSWang Nan last = list_entry(last->node.prev, struct perf_evsel, node); 172515bfd2ccSWang Nan } while (!last->cmdline_group_boundary); 172615bfd2ccSWang Nan 1727c171b552SLi Zefan return 0; 1728c171b552SLi Zefan } 1729c171b552SLi Zefan 17304ba1faa1SWang Nan static int set_filter(struct perf_evsel *evsel, const void *arg) 17314ba1faa1SWang Nan { 17324ba1faa1SWang Nan const char *str = arg; 17334ba1faa1SWang Nan 17344ba1faa1SWang Nan if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { 17354ba1faa1SWang Nan fprintf(stderr, 17364ba1faa1SWang Nan "--filter option should follow a -e tracepoint option\n"); 17374ba1faa1SWang Nan return -1; 17384ba1faa1SWang Nan } 17394ba1faa1SWang Nan 17404ba1faa1SWang Nan if (perf_evsel__append_filter(evsel, "&&", str) < 0) { 17414ba1faa1SWang Nan fprintf(stderr, 17424ba1faa1SWang Nan "not enough memory to hold filter string\n"); 17434ba1faa1SWang Nan return -1; 17444ba1faa1SWang Nan } 17454ba1faa1SWang Nan 17464ba1faa1SWang Nan return 0; 17474ba1faa1SWang Nan } 17484ba1faa1SWang Nan 17494ba1faa1SWang Nan int parse_filter(const struct option *opt, const char *str, 17504ba1faa1SWang Nan int unset __maybe_unused) 17514ba1faa1SWang Nan { 17524ba1faa1SWang Nan struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 17534ba1faa1SWang Nan 17544ba1faa1SWang Nan return foreach_evsel_in_last_glob(evlist, set_filter, 17554ba1faa1SWang Nan (const void *)str); 17564ba1faa1SWang Nan } 17574ba1faa1SWang Nan 17584ba1faa1SWang Nan static int add_exclude_perf_filter(struct perf_evsel *evsel, 17594ba1faa1SWang Nan const void *arg __maybe_unused) 17604ba1faa1SWang Nan { 17614ba1faa1SWang Nan char new_filter[64]; 17624ba1faa1SWang Nan 17634ba1faa1SWang Nan if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { 17644ba1faa1SWang Nan fprintf(stderr, 17654ba1faa1SWang Nan "--exclude-perf option should follow a -e tracepoint option\n"); 17664ba1faa1SWang Nan return -1; 17674ba1faa1SWang Nan } 17684ba1faa1SWang Nan 17694ba1faa1SWang Nan snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid()); 17704ba1faa1SWang Nan 17714ba1faa1SWang Nan if (perf_evsel__append_filter(evsel, "&&", new_filter) < 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 17804ba1faa1SWang Nan int exclude_perf(const struct option *opt, 17814ba1faa1SWang Nan const char *arg __maybe_unused, 17824ba1faa1SWang Nan int unset __maybe_unused) 17834ba1faa1SWang Nan { 17844ba1faa1SWang Nan struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 17854ba1faa1SWang Nan 17864ba1faa1SWang Nan return foreach_evsel_in_last_glob(evlist, add_exclude_perf_filter, 17874ba1faa1SWang Nan NULL); 17884ba1faa1SWang Nan } 17894ba1faa1SWang Nan 179086470930SIngo Molnar static const char * const event_type_descriptors[] = { 179186470930SIngo Molnar "Hardware event", 179286470930SIngo Molnar "Software event", 179386470930SIngo Molnar "Tracepoint event", 179486470930SIngo Molnar "Hardware cache event", 179541bdcb23SLiming Wang "Raw hardware event descriptor", 179641bdcb23SLiming Wang "Hardware breakpoint", 179786470930SIngo Molnar }; 179886470930SIngo Molnar 1799ab0e4800SYunlong Song static int cmp_string(const void *a, const void *b) 1800ab0e4800SYunlong Song { 1801ab0e4800SYunlong Song const char * const *as = a; 1802ab0e4800SYunlong Song const char * const *bs = b; 1803ab0e4800SYunlong Song 1804ab0e4800SYunlong Song return strcmp(*as, *bs); 1805ab0e4800SYunlong Song } 1806ab0e4800SYunlong Song 180786470930SIngo Molnar /* 1808f6bdafefSJason Baron * Print the events from <debugfs_mount_point>/tracing/events 1809f6bdafefSJason Baron */ 1810f6bdafefSJason Baron 1811a3277d2dSFrederic Weisbecker void print_tracepoint_events(const char *subsys_glob, const char *event_glob, 1812a3277d2dSFrederic Weisbecker bool name_only) 1813f6bdafefSJason Baron { 1814f6bdafefSJason Baron DIR *sys_dir, *evt_dir; 1815f6bdafefSJason Baron struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; 1816f6bdafefSJason Baron char evt_path[MAXPATHLEN]; 1817725b1368SEric Dumazet char dir_path[MAXPATHLEN]; 1818ab0e4800SYunlong Song char **evt_list = NULL; 1819ab0e4800SYunlong Song unsigned int evt_i = 0, evt_num = 0; 1820ab0e4800SYunlong Song bool evt_num_known = false; 1821f6bdafefSJason Baron 1822ab0e4800SYunlong Song restart: 1823ebf294bfSArnaldo Carvalho de Melo sys_dir = opendir(tracing_events_path); 1824f6bdafefSJason Baron if (!sys_dir) 1825725b1368SEric Dumazet return; 1826f6bdafefSJason Baron 1827ab0e4800SYunlong Song if (evt_num_known) { 1828ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 1829ab0e4800SYunlong Song if (!evt_list) 1830ab0e4800SYunlong Song goto out_close_sys_dir; 1831ab0e4800SYunlong Song } 1832ab0e4800SYunlong Song 18336b58e7f1SUlrich Drepper for_each_subsystem(sys_dir, sys_dirent, sys_next) { 1834668b8788SArnaldo Carvalho de Melo if (subsys_glob != NULL && 1835668b8788SArnaldo Carvalho de Melo !strglobmatch(sys_dirent.d_name, subsys_glob)) 1836668b8788SArnaldo Carvalho de Melo continue; 1837725b1368SEric Dumazet 1838ebf294bfSArnaldo Carvalho de Melo snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, 1839725b1368SEric Dumazet sys_dirent.d_name); 1840725b1368SEric Dumazet evt_dir = opendir(dir_path); 1841725b1368SEric Dumazet if (!evt_dir) 18426b58e7f1SUlrich Drepper continue; 1843725b1368SEric Dumazet 18446b58e7f1SUlrich Drepper for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { 1845668b8788SArnaldo Carvalho de Melo if (event_glob != NULL && 1846668b8788SArnaldo Carvalho de Melo !strglobmatch(evt_dirent.d_name, event_glob)) 1847668b8788SArnaldo Carvalho de Melo continue; 1848668b8788SArnaldo Carvalho de Melo 1849ab0e4800SYunlong Song if (!evt_num_known) { 1850ab0e4800SYunlong Song evt_num++; 1851a3277d2dSFrederic Weisbecker continue; 1852a3277d2dSFrederic Weisbecker } 1853a3277d2dSFrederic Weisbecker 1854f6bdafefSJason Baron snprintf(evt_path, MAXPATHLEN, "%s:%s", 1855f6bdafefSJason Baron sys_dirent.d_name, evt_dirent.d_name); 1856ab0e4800SYunlong Song 1857ab0e4800SYunlong Song evt_list[evt_i] = strdup(evt_path); 1858ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 1859ab0e4800SYunlong Song goto out_close_evt_dir; 1860ab0e4800SYunlong Song evt_i++; 1861f6bdafefSJason Baron } 1862f6bdafefSJason Baron closedir(evt_dir); 1863f6bdafefSJason Baron } 1864f6bdafefSJason Baron closedir(sys_dir); 1865ab0e4800SYunlong Song 1866ab0e4800SYunlong Song if (!evt_num_known) { 1867ab0e4800SYunlong Song evt_num_known = true; 1868ab0e4800SYunlong Song goto restart; 1869ab0e4800SYunlong Song } 1870ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 1871ab0e4800SYunlong Song evt_i = 0; 1872ab0e4800SYunlong Song while (evt_i < evt_num) { 1873ab0e4800SYunlong Song if (name_only) { 1874ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 1875ab0e4800SYunlong Song continue; 1876ab0e4800SYunlong Song } 1877ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], 1878ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_TRACEPOINT]); 1879ab0e4800SYunlong Song } 1880dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 1881ab0e4800SYunlong Song printf("\n"); 1882ab0e4800SYunlong Song 1883ab0e4800SYunlong Song out_free: 1884ab0e4800SYunlong Song evt_num = evt_i; 1885ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 1886ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 1887ab0e4800SYunlong Song zfree(&evt_list); 1888ab0e4800SYunlong Song return; 1889ab0e4800SYunlong Song 1890ab0e4800SYunlong Song out_close_evt_dir: 1891ab0e4800SYunlong Song closedir(evt_dir); 1892ab0e4800SYunlong Song out_close_sys_dir: 1893ab0e4800SYunlong Song closedir(sys_dir); 1894ab0e4800SYunlong Song 1895ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", 1896ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_TRACEPOINT]); 1897ab0e4800SYunlong Song if (evt_list) 1898ab0e4800SYunlong Song goto out_free; 1899f6bdafefSJason Baron } 1900f6bdafefSJason Baron 1901f6bdafefSJason Baron /* 190220c457b8SThomas Renninger * Check whether event is in <debugfs_mount_point>/tracing/events 190320c457b8SThomas Renninger */ 190420c457b8SThomas Renninger 190520c457b8SThomas Renninger int is_valid_tracepoint(const char *event_string) 190620c457b8SThomas Renninger { 190720c457b8SThomas Renninger DIR *sys_dir, *evt_dir; 190820c457b8SThomas Renninger struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; 190920c457b8SThomas Renninger char evt_path[MAXPATHLEN]; 191020c457b8SThomas Renninger char dir_path[MAXPATHLEN]; 191120c457b8SThomas Renninger 1912ebf294bfSArnaldo Carvalho de Melo sys_dir = opendir(tracing_events_path); 191320c457b8SThomas Renninger if (!sys_dir) 191420c457b8SThomas Renninger return 0; 191520c457b8SThomas Renninger 191620c457b8SThomas Renninger for_each_subsystem(sys_dir, sys_dirent, sys_next) { 191720c457b8SThomas Renninger 1918ebf294bfSArnaldo Carvalho de Melo snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, 191920c457b8SThomas Renninger sys_dirent.d_name); 192020c457b8SThomas Renninger evt_dir = opendir(dir_path); 192120c457b8SThomas Renninger if (!evt_dir) 192220c457b8SThomas Renninger continue; 192320c457b8SThomas Renninger 192420c457b8SThomas Renninger for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { 192520c457b8SThomas Renninger snprintf(evt_path, MAXPATHLEN, "%s:%s", 192620c457b8SThomas Renninger sys_dirent.d_name, evt_dirent.d_name); 192720c457b8SThomas Renninger if (!strcmp(evt_path, event_string)) { 192820c457b8SThomas Renninger closedir(evt_dir); 192920c457b8SThomas Renninger closedir(sys_dir); 193020c457b8SThomas Renninger return 1; 193120c457b8SThomas Renninger } 193220c457b8SThomas Renninger } 193320c457b8SThomas Renninger closedir(evt_dir); 193420c457b8SThomas Renninger } 193520c457b8SThomas Renninger closedir(sys_dir); 193620c457b8SThomas Renninger return 0; 193720c457b8SThomas Renninger } 193820c457b8SThomas Renninger 1939b41f1cecSNamhyung Kim static bool is_event_supported(u8 type, unsigned config) 1940b41f1cecSNamhyung Kim { 1941b41f1cecSNamhyung Kim bool ret = true; 194288fee52eSVince Weaver int open_return; 1943b41f1cecSNamhyung Kim struct perf_evsel *evsel; 1944b41f1cecSNamhyung Kim struct perf_event_attr attr = { 1945b41f1cecSNamhyung Kim .type = type, 1946b41f1cecSNamhyung Kim .config = config, 1947b41f1cecSNamhyung Kim .disabled = 1, 1948b41f1cecSNamhyung Kim }; 1949b41f1cecSNamhyung Kim struct { 1950b41f1cecSNamhyung Kim struct thread_map map; 1951b41f1cecSNamhyung Kim int threads[1]; 1952b41f1cecSNamhyung Kim } tmap = { 1953b41f1cecSNamhyung Kim .map.nr = 1, 1954b41f1cecSNamhyung Kim .threads = { 0 }, 1955b41f1cecSNamhyung Kim }; 1956b41f1cecSNamhyung Kim 1957ef503831SArnaldo Carvalho de Melo evsel = perf_evsel__new(&attr); 1958b41f1cecSNamhyung Kim if (evsel) { 195988fee52eSVince Weaver open_return = perf_evsel__open(evsel, NULL, &tmap.map); 196088fee52eSVince Weaver ret = open_return >= 0; 196188fee52eSVince Weaver 196288fee52eSVince Weaver if (open_return == -EACCES) { 196388fee52eSVince Weaver /* 196488fee52eSVince Weaver * This happens if the paranoid value 196588fee52eSVince Weaver * /proc/sys/kernel/perf_event_paranoid is set to 2 196688fee52eSVince Weaver * Re-run with exclude_kernel set; we don't do that 196788fee52eSVince Weaver * by default as some ARM machines do not support it. 196888fee52eSVince Weaver * 196988fee52eSVince Weaver */ 197088fee52eSVince Weaver evsel->attr.exclude_kernel = 1; 1971b41f1cecSNamhyung Kim ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; 197288fee52eSVince Weaver } 1973b41f1cecSNamhyung Kim perf_evsel__delete(evsel); 1974b41f1cecSNamhyung Kim } 1975b41f1cecSNamhyung Kim 1976b41f1cecSNamhyung Kim return ret; 1977b41f1cecSNamhyung Kim } 1978b41f1cecSNamhyung Kim 1979a3277d2dSFrederic Weisbecker int print_hwcache_events(const char *event_glob, bool name_only) 1980668b8788SArnaldo Carvalho de Melo { 1981ab0e4800SYunlong Song unsigned int type, op, i, evt_i = 0, evt_num = 0; 19820b668bc9SArnaldo Carvalho de Melo char name[64]; 1983ab0e4800SYunlong Song char **evt_list = NULL; 1984ab0e4800SYunlong Song bool evt_num_known = false; 1985ab0e4800SYunlong Song 1986ab0e4800SYunlong Song restart: 1987ab0e4800SYunlong Song if (evt_num_known) { 1988ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 1989ab0e4800SYunlong Song if (!evt_list) 1990ab0e4800SYunlong Song goto out_enomem; 1991ab0e4800SYunlong Song } 1992668b8788SArnaldo Carvalho de Melo 1993668b8788SArnaldo Carvalho de Melo for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { 1994668b8788SArnaldo Carvalho de Melo for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { 1995668b8788SArnaldo Carvalho de Melo /* skip invalid cache type */ 19960b668bc9SArnaldo Carvalho de Melo if (!perf_evsel__is_cache_op_valid(type, op)) 1997668b8788SArnaldo Carvalho de Melo continue; 1998668b8788SArnaldo Carvalho de Melo 1999668b8788SArnaldo Carvalho de Melo for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { 20000b668bc9SArnaldo Carvalho de Melo __perf_evsel__hw_cache_type_op_res_name(type, op, i, 20010b668bc9SArnaldo Carvalho de Melo name, sizeof(name)); 2002947b4ad1SIngo Molnar if (event_glob != NULL && !strglobmatch(name, event_glob)) 2003668b8788SArnaldo Carvalho de Melo continue; 2004668b8788SArnaldo Carvalho de Melo 2005b41f1cecSNamhyung Kim if (!is_event_supported(PERF_TYPE_HW_CACHE, 2006b41f1cecSNamhyung Kim type | (op << 8) | (i << 16))) 2007b41f1cecSNamhyung Kim continue; 2008b41f1cecSNamhyung Kim 2009ab0e4800SYunlong Song if (!evt_num_known) { 2010ab0e4800SYunlong Song evt_num++; 2011ab0e4800SYunlong Song continue; 2012ab0e4800SYunlong Song } 2013ab0e4800SYunlong Song 2014ab0e4800SYunlong Song evt_list[evt_i] = strdup(name); 2015ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 2016ab0e4800SYunlong Song goto out_enomem; 2017ab0e4800SYunlong Song evt_i++; 2018668b8788SArnaldo Carvalho de Melo } 2019668b8788SArnaldo Carvalho de Melo } 2020668b8788SArnaldo Carvalho de Melo } 2021668b8788SArnaldo Carvalho de Melo 2022ab0e4800SYunlong Song if (!evt_num_known) { 2023ab0e4800SYunlong Song evt_num_known = true; 2024ab0e4800SYunlong Song goto restart; 2025ab0e4800SYunlong Song } 2026ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 2027ab0e4800SYunlong Song evt_i = 0; 2028ab0e4800SYunlong Song while (evt_i < evt_num) { 2029ab0e4800SYunlong Song if (name_only) { 2030ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 2031ab0e4800SYunlong Song continue; 2032ab0e4800SYunlong Song } 2033ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], 2034ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_HW_CACHE]); 2035ab0e4800SYunlong Song } 2036dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 2037dc098b35SAndi Kleen printf("\n"); 2038ab0e4800SYunlong Song 2039ab0e4800SYunlong Song out_free: 2040ab0e4800SYunlong Song evt_num = evt_i; 2041ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 2042ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 2043ab0e4800SYunlong Song zfree(&evt_list); 2044ab0e4800SYunlong Song return evt_num; 2045ab0e4800SYunlong Song 2046ab0e4800SYunlong Song out_enomem: 2047ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); 2048ab0e4800SYunlong Song if (evt_list) 2049ab0e4800SYunlong Song goto out_free; 2050ab0e4800SYunlong Song return evt_num; 2051668b8788SArnaldo Carvalho de Melo } 2052668b8788SArnaldo Carvalho de Melo 2053705750f2SYunlong Song void print_symbol_events(const char *event_glob, unsigned type, 2054a3277d2dSFrederic Weisbecker struct event_symbol *syms, unsigned max, 2055a3277d2dSFrederic Weisbecker bool name_only) 205686470930SIngo Molnar { 2057ab0e4800SYunlong Song unsigned int i, evt_i = 0, evt_num = 0; 2058947b4ad1SIngo Molnar char name[MAX_NAME_LEN]; 2059ab0e4800SYunlong Song char **evt_list = NULL; 2060ab0e4800SYunlong Song bool evt_num_known = false; 2061ab0e4800SYunlong Song 2062ab0e4800SYunlong Song restart: 2063ab0e4800SYunlong Song if (evt_num_known) { 2064ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 2065ab0e4800SYunlong Song if (!evt_list) 2066ab0e4800SYunlong Song goto out_enomem; 2067ab0e4800SYunlong Song syms -= max; 2068ab0e4800SYunlong Song } 206986470930SIngo Molnar 20701dc12760SJiri Olsa for (i = 0; i < max; i++, syms++) { 2071668b8788SArnaldo Carvalho de Melo 2072e37df6c7SArnaldo Carvalho de Melo if (event_glob != NULL && syms->symbol != NULL && 2073668b8788SArnaldo Carvalho de Melo !(strglobmatch(syms->symbol, event_glob) || 2074668b8788SArnaldo Carvalho de Melo (syms->alias && strglobmatch(syms->alias, event_glob)))) 2075668b8788SArnaldo Carvalho de Melo continue; 207686470930SIngo Molnar 2077b41f1cecSNamhyung Kim if (!is_event_supported(type, i)) 2078b41f1cecSNamhyung Kim continue; 2079b41f1cecSNamhyung Kim 2080ab0e4800SYunlong Song if (!evt_num_known) { 2081ab0e4800SYunlong Song evt_num++; 2082a3277d2dSFrederic Weisbecker continue; 2083a3277d2dSFrederic Weisbecker } 2084a3277d2dSFrederic Weisbecker 2085ab0e4800SYunlong Song if (!name_only && strlen(syms->alias)) 2086947b4ad1SIngo Molnar snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); 208774d5b588SJaswinder Singh Rajput else 2088947b4ad1SIngo Molnar strncpy(name, syms->symbol, MAX_NAME_LEN); 208986470930SIngo Molnar 2090ab0e4800SYunlong Song evt_list[evt_i] = strdup(name); 2091ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 2092ab0e4800SYunlong Song goto out_enomem; 2093ab0e4800SYunlong Song evt_i++; 209486470930SIngo Molnar } 209586470930SIngo Molnar 2096ab0e4800SYunlong Song if (!evt_num_known) { 2097ab0e4800SYunlong Song evt_num_known = true; 2098ab0e4800SYunlong Song goto restart; 2099ab0e4800SYunlong Song } 2100ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 2101ab0e4800SYunlong Song evt_i = 0; 2102ab0e4800SYunlong Song while (evt_i < evt_num) { 2103ab0e4800SYunlong Song if (name_only) { 2104ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 2105ab0e4800SYunlong Song continue; 2106ab0e4800SYunlong Song } 2107ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]); 2108ab0e4800SYunlong Song } 2109dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 2110689d3018SMarti Raudsepp printf("\n"); 2111ab0e4800SYunlong Song 2112ab0e4800SYunlong Song out_free: 2113ab0e4800SYunlong Song evt_num = evt_i; 2114ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 2115ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 2116ab0e4800SYunlong Song zfree(&evt_list); 2117ab0e4800SYunlong Song return; 2118ab0e4800SYunlong Song 2119ab0e4800SYunlong Song out_enomem: 2120ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); 2121ab0e4800SYunlong Song if (evt_list) 2122ab0e4800SYunlong Song goto out_free; 2123668b8788SArnaldo Carvalho de Melo } 21241dc12760SJiri Olsa 21251dc12760SJiri Olsa /* 21261dc12760SJiri Olsa * Print the help text for the event symbols: 21271dc12760SJiri Olsa */ 2128a3277d2dSFrederic Weisbecker void print_events(const char *event_glob, bool name_only) 21291dc12760SJiri Olsa { 21301dc12760SJiri Olsa print_symbol_events(event_glob, PERF_TYPE_HARDWARE, 2131a3277d2dSFrederic Weisbecker event_symbols_hw, PERF_COUNT_HW_MAX, name_only); 21321dc12760SJiri Olsa 21331dc12760SJiri Olsa print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, 2134a3277d2dSFrederic Weisbecker event_symbols_sw, PERF_COUNT_SW_MAX, name_only); 21351dc12760SJiri Olsa 2136a3277d2dSFrederic Weisbecker print_hwcache_events(event_glob, name_only); 213773c24cb8SJaswinder Singh Rajput 2138dc098b35SAndi Kleen print_pmu_events(event_glob, name_only); 2139dc098b35SAndi Kleen 2140668b8788SArnaldo Carvalho de Melo if (event_glob != NULL) 2141668b8788SArnaldo Carvalho de Melo return; 214273c24cb8SJaswinder Singh Rajput 2143a3277d2dSFrederic Weisbecker if (!name_only) { 2144947b4ad1SIngo Molnar printf(" %-50s [%s]\n", 21455f537a26SJiri Olsa "rNNN", 21461cf4a063SArnaldo Carvalho de Melo event_type_descriptors[PERF_TYPE_RAW]); 21475f537a26SJiri Olsa printf(" %-50s [%s]\n", 21485f537a26SJiri Olsa "cpu/t1=v1[,t2=v2,t3 ...]/modifier", 21495f537a26SJiri Olsa event_type_descriptors[PERF_TYPE_RAW]); 2150dfc431cbSArnaldo Carvalho de Melo if (pager_in_use()) 2151dfc431cbSArnaldo Carvalho de Melo printf(" (see 'man perf-list' on how to encode it)\n\n"); 215286470930SIngo Molnar 2153947b4ad1SIngo Molnar printf(" %-50s [%s]\n", 21543741eb9fSJacob Shin "mem:<addr>[/len][:access]", 215541bdcb23SLiming Wang event_type_descriptors[PERF_TYPE_BREAKPOINT]); 2156dfc431cbSArnaldo Carvalho de Melo if (pager_in_use()) 21571b290d67SFrederic Weisbecker printf("\n"); 2158a3277d2dSFrederic Weisbecker } 21591b290d67SFrederic Weisbecker 2160a3277d2dSFrederic Weisbecker print_tracepoint_events(NULL, NULL, name_only); 216186470930SIngo Molnar } 21628f707d84SJiri Olsa 21636cee6cd3SArnaldo Carvalho de Melo int parse_events__is_hardcoded_term(struct parse_events_term *term) 21648f707d84SJiri Olsa { 216516fa7e82SJiri Olsa return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; 21668f707d84SJiri Olsa } 21678f707d84SJiri Olsa 21686cee6cd3SArnaldo Carvalho de Melo static int new_term(struct parse_events_term **_term, int type_val, 216916fa7e82SJiri Olsa int type_term, char *config, 2170cecf3a2eSJiri Olsa char *str, u64 num, int err_term, int err_val) 21718f707d84SJiri Olsa { 21726cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term; 21738f707d84SJiri Olsa 21748f707d84SJiri Olsa term = zalloc(sizeof(*term)); 21758f707d84SJiri Olsa if (!term) 21768f707d84SJiri Olsa return -ENOMEM; 21778f707d84SJiri Olsa 21788f707d84SJiri Olsa INIT_LIST_HEAD(&term->list); 217916fa7e82SJiri Olsa term->type_val = type_val; 218016fa7e82SJiri Olsa term->type_term = type_term; 21818f707d84SJiri Olsa term->config = config; 2182cecf3a2eSJiri Olsa term->err_term = err_term; 2183cecf3a2eSJiri Olsa term->err_val = err_val; 21848f707d84SJiri Olsa 218516fa7e82SJiri Olsa switch (type_val) { 21868f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_NUM: 21878f707d84SJiri Olsa term->val.num = num; 21888f707d84SJiri Olsa break; 21898f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_STR: 21908f707d84SJiri Olsa term->val.str = str; 21918f707d84SJiri Olsa break; 21928f707d84SJiri Olsa default: 21934be8be6bSAdrian Hunter free(term); 21948f707d84SJiri Olsa return -EINVAL; 21958f707d84SJiri Olsa } 21968f707d84SJiri Olsa 21978f707d84SJiri Olsa *_term = term; 21988f707d84SJiri Olsa return 0; 21998f707d84SJiri Olsa } 22008f707d84SJiri Olsa 22016cee6cd3SArnaldo Carvalho de Melo int parse_events_term__num(struct parse_events_term **term, 2202cecf3a2eSJiri Olsa int type_term, char *config, u64 num, 2203bb78ce7dSAdrian Hunter void *loc_term_, void *loc_val_) 220416fa7e82SJiri Olsa { 2205bb78ce7dSAdrian Hunter YYLTYPE *loc_term = loc_term_; 2206bb78ce7dSAdrian Hunter YYLTYPE *loc_val = loc_val_; 2207bb78ce7dSAdrian Hunter 220816fa7e82SJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, 2209cecf3a2eSJiri Olsa config, NULL, num, 2210cecf3a2eSJiri Olsa loc_term ? loc_term->first_column : 0, 2211cecf3a2eSJiri Olsa loc_val ? loc_val->first_column : 0); 221216fa7e82SJiri Olsa } 221316fa7e82SJiri Olsa 22146cee6cd3SArnaldo Carvalho de Melo int parse_events_term__str(struct parse_events_term **term, 2215cecf3a2eSJiri Olsa int type_term, char *config, char *str, 2216bb78ce7dSAdrian Hunter void *loc_term_, void *loc_val_) 221716fa7e82SJiri Olsa { 2218bb78ce7dSAdrian Hunter YYLTYPE *loc_term = loc_term_; 2219bb78ce7dSAdrian Hunter YYLTYPE *loc_val = loc_val_; 2220bb78ce7dSAdrian Hunter 222116fa7e82SJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, 2222cecf3a2eSJiri Olsa config, str, 0, 2223cecf3a2eSJiri Olsa loc_term ? loc_term->first_column : 0, 2224cecf3a2eSJiri Olsa loc_val ? loc_val->first_column : 0); 222516fa7e82SJiri Olsa } 222616fa7e82SJiri Olsa 22276cee6cd3SArnaldo Carvalho de Melo int parse_events_term__sym_hw(struct parse_events_term **term, 22281d33d6dcSJiri Olsa char *config, unsigned idx) 22291d33d6dcSJiri Olsa { 22301d33d6dcSJiri Olsa struct event_symbol *sym; 22311d33d6dcSJiri Olsa 22321d33d6dcSJiri Olsa BUG_ON(idx >= PERF_COUNT_HW_MAX); 22331d33d6dcSJiri Olsa sym = &event_symbols_hw[idx]; 22341d33d6dcSJiri Olsa 22351d33d6dcSJiri Olsa if (config) 22361d33d6dcSJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, 22371d33d6dcSJiri Olsa PARSE_EVENTS__TERM_TYPE_USER, config, 2238cecf3a2eSJiri Olsa (char *) sym->symbol, 0, 0, 0); 22391d33d6dcSJiri Olsa else 22401d33d6dcSJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, 22411d33d6dcSJiri Olsa PARSE_EVENTS__TERM_TYPE_USER, 2242cecf3a2eSJiri Olsa (char *) "event", (char *) sym->symbol, 2243cecf3a2eSJiri Olsa 0, 0, 0); 22441d33d6dcSJiri Olsa } 22451d33d6dcSJiri Olsa 22466cee6cd3SArnaldo Carvalho de Melo int parse_events_term__clone(struct parse_events_term **new, 22476cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term) 2248a6146d50SZheng Yan { 2249a6146d50SZheng Yan return new_term(new, term->type_val, term->type_term, term->config, 2250cecf3a2eSJiri Olsa term->val.str, term->val.num, 2251cecf3a2eSJiri Olsa term->err_term, term->err_val); 2252a6146d50SZheng Yan } 2253a6146d50SZheng Yan 2254fc0a2c1dSArnaldo Carvalho de Melo void parse_events_terms__purge(struct list_head *terms) 22558f707d84SJiri Olsa { 22566cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term, *h; 22578f707d84SJiri Olsa 2258a8adfcebSWang Nan list_for_each_entry_safe(term, h, terms, list) { 22592d055bf2SWang Nan if (term->array.nr_ranges) 22602d055bf2SWang Nan free(term->array.ranges); 2261a8adfcebSWang Nan list_del_init(&term->list); 22628f707d84SJiri Olsa free(term); 22638f707d84SJiri Olsa } 2264a8adfcebSWang Nan } 2265b39b8393SJiri Olsa 22662146afc6SArnaldo Carvalho de Melo void parse_events_terms__delete(struct list_head *terms) 2267fc0a2c1dSArnaldo Carvalho de Melo { 22682146afc6SArnaldo Carvalho de Melo if (!terms) 22692146afc6SArnaldo Carvalho de Melo return; 2270fc0a2c1dSArnaldo Carvalho de Melo parse_events_terms__purge(terms); 2271d20a5f2bSWang Nan free(terms); 2272fc0a2c1dSArnaldo Carvalho de Melo } 2273fc0a2c1dSArnaldo Carvalho de Melo 22742d055bf2SWang Nan void parse_events__clear_array(struct parse_events_array *a) 22752d055bf2SWang Nan { 22762d055bf2SWang Nan free(a->ranges); 22772d055bf2SWang Nan } 22782d055bf2SWang Nan 2279b39b8393SJiri Olsa void parse_events_evlist_error(struct parse_events_evlist *data, 2280b39b8393SJiri Olsa int idx, const char *str) 2281b39b8393SJiri Olsa { 2282b39b8393SJiri Olsa struct parse_events_error *err = data->error; 2283b39b8393SJiri Olsa 2284a6ced2beSAdrian Hunter if (!err) 2285a6ced2beSAdrian Hunter return; 2286b39b8393SJiri Olsa err->idx = idx; 2287b39b8393SJiri Olsa err->str = strdup(str); 2288b39b8393SJiri Olsa WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); 2289b39b8393SJiri Olsa } 2290ffeb883eSHe Kuang 229117cb5f84SWang Nan static void config_terms_list(char *buf, size_t buf_sz) 229217cb5f84SWang Nan { 229317cb5f84SWang Nan int i; 229417cb5f84SWang Nan bool first = true; 229517cb5f84SWang Nan 229617cb5f84SWang Nan buf[0] = '\0'; 229717cb5f84SWang Nan for (i = 0; i < __PARSE_EVENTS__TERM_TYPE_NR; i++) { 229817cb5f84SWang Nan const char *name = config_term_names[i]; 229917cb5f84SWang Nan 23001669e509SWang Nan if (!config_term_avail(i, NULL)) 23011669e509SWang Nan continue; 230217cb5f84SWang Nan if (!name) 230317cb5f84SWang Nan continue; 230417cb5f84SWang Nan if (name[0] == '<') 230517cb5f84SWang Nan continue; 230617cb5f84SWang Nan 230717cb5f84SWang Nan if (strlen(buf) + strlen(name) + 2 >= buf_sz) 230817cb5f84SWang Nan return; 230917cb5f84SWang Nan 231017cb5f84SWang Nan if (!first) 231117cb5f84SWang Nan strcat(buf, ","); 231217cb5f84SWang Nan else 231317cb5f84SWang Nan first = false; 231417cb5f84SWang Nan strcat(buf, name); 231517cb5f84SWang Nan } 231617cb5f84SWang Nan } 231717cb5f84SWang Nan 2318ffeb883eSHe Kuang /* 2319ffeb883eSHe Kuang * Return string contains valid config terms of an event. 2320ffeb883eSHe Kuang * @additional_terms: For terms such as PMU sysfs terms. 2321ffeb883eSHe Kuang */ 2322ffeb883eSHe Kuang char *parse_events_formats_error_string(char *additional_terms) 2323ffeb883eSHe Kuang { 2324ffeb883eSHe Kuang char *str; 232517cb5f84SWang Nan /* "branch_type" is the longest name */ 232617cb5f84SWang Nan char static_terms[__PARSE_EVENTS__TERM_TYPE_NR * 232717cb5f84SWang Nan (sizeof("branch_type") - 1)]; 2328ffeb883eSHe Kuang 232917cb5f84SWang Nan config_terms_list(static_terms, sizeof(static_terms)); 2330ffeb883eSHe Kuang /* valid terms */ 2331ffeb883eSHe Kuang if (additional_terms) { 233226dee028SWang Nan if (asprintf(&str, "valid terms: %s,%s", 233326dee028SWang Nan additional_terms, static_terms) < 0) 2334ffeb883eSHe Kuang goto fail; 2335ffeb883eSHe Kuang } else { 233626dee028SWang Nan if (asprintf(&str, "valid terms: %s", static_terms) < 0) 2337ffeb883eSHe Kuang goto fail; 2338ffeb883eSHe Kuang } 2339ffeb883eSHe Kuang return str; 2340ffeb883eSHe Kuang 2341ffeb883eSHe Kuang fail: 2342ffeb883eSHe Kuang return NULL; 2343ffeb883eSHe Kuang } 2344