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; 5844edf30e3SWang Nan }; 5854edf30e3SWang Nan 5864edf30e3SWang Nan static int add_bpf_event(struct probe_trace_event *tev, int fd, 5874edf30e3SWang Nan void *_param) 5884edf30e3SWang Nan { 5894edf30e3SWang Nan LIST_HEAD(new_evsels); 5904edf30e3SWang Nan struct __add_bpf_event_param *param = _param; 5914edf30e3SWang Nan struct parse_events_evlist *evlist = param->data; 5924edf30e3SWang Nan struct list_head *list = param->list; 5931f45b1d4SWang Nan struct perf_evsel *pos; 5944edf30e3SWang Nan int err; 5954edf30e3SWang Nan 5964edf30e3SWang Nan pr_debug("add bpf event %s:%s and attach bpf program %d\n", 5974edf30e3SWang Nan tev->group, tev->event, fd); 5984edf30e3SWang Nan 5994edf30e3SWang Nan err = parse_events_add_tracepoint(&new_evsels, &evlist->idx, tev->group, 6004edf30e3SWang Nan tev->event, evlist->error, NULL); 6014edf30e3SWang Nan if (err) { 6024edf30e3SWang Nan struct perf_evsel *evsel, *tmp; 6034edf30e3SWang Nan 6044edf30e3SWang Nan pr_debug("Failed to add BPF event %s:%s\n", 6054edf30e3SWang Nan tev->group, tev->event); 6064edf30e3SWang Nan list_for_each_entry_safe(evsel, tmp, &new_evsels, node) { 6074edf30e3SWang Nan list_del(&evsel->node); 6084edf30e3SWang Nan perf_evsel__delete(evsel); 6094edf30e3SWang Nan } 6104edf30e3SWang Nan return err; 6114edf30e3SWang Nan } 6124edf30e3SWang Nan pr_debug("adding %s:%s\n", tev->group, tev->event); 6134edf30e3SWang Nan 6141f45b1d4SWang Nan list_for_each_entry(pos, &new_evsels, node) { 6151f45b1d4SWang Nan pr_debug("adding %s:%s to %p\n", 6161f45b1d4SWang Nan tev->group, tev->event, pos); 6171f45b1d4SWang Nan pos->bpf_fd = fd; 6181f45b1d4SWang Nan } 6194edf30e3SWang Nan list_splice(&new_evsels, list); 6204edf30e3SWang Nan return 0; 6214edf30e3SWang Nan } 6224edf30e3SWang Nan 62384c86ca1SWang Nan int parse_events_load_bpf_obj(struct parse_events_evlist *data, 62484c86ca1SWang Nan struct list_head *list, 62584c86ca1SWang Nan struct bpf_object *obj) 62684c86ca1SWang Nan { 62784c86ca1SWang Nan int err; 62884c86ca1SWang Nan char errbuf[BUFSIZ]; 6294edf30e3SWang Nan struct __add_bpf_event_param param = {data, list}; 630aa3abf30SWang Nan static bool registered_unprobe_atexit = false; 63184c86ca1SWang Nan 63284c86ca1SWang Nan if (IS_ERR(obj) || !obj) { 63384c86ca1SWang Nan snprintf(errbuf, sizeof(errbuf), 63484c86ca1SWang Nan "Internal error: load bpf obj with NULL"); 63584c86ca1SWang Nan err = -EINVAL; 63684c86ca1SWang Nan goto errout; 63784c86ca1SWang Nan } 63884c86ca1SWang Nan 63984c86ca1SWang Nan /* 640aa3abf30SWang Nan * Register atexit handler before calling bpf__probe() so 641aa3abf30SWang Nan * bpf__probe() don't need to unprobe probe points its already 642aa3abf30SWang Nan * created when failure. 643aa3abf30SWang Nan */ 644aa3abf30SWang Nan if (!registered_unprobe_atexit) { 645aa3abf30SWang Nan atexit(bpf__clear); 646aa3abf30SWang Nan registered_unprobe_atexit = true; 647aa3abf30SWang Nan } 648aa3abf30SWang Nan 649aa3abf30SWang Nan err = bpf__probe(obj); 650aa3abf30SWang Nan if (err) { 651aa3abf30SWang Nan bpf__strerror_probe(obj, err, errbuf, sizeof(errbuf)); 652aa3abf30SWang Nan goto errout; 653aa3abf30SWang Nan } 654aa3abf30SWang Nan 6551e5e3ee8SWang Nan err = bpf__load(obj); 6561e5e3ee8SWang Nan if (err) { 6571e5e3ee8SWang Nan bpf__strerror_load(obj, err, errbuf, sizeof(errbuf)); 6581e5e3ee8SWang Nan goto errout; 6591e5e3ee8SWang Nan } 6601e5e3ee8SWang Nan 6614edf30e3SWang Nan err = bpf__foreach_tev(obj, add_bpf_event, ¶m); 6624edf30e3SWang Nan if (err) { 6634edf30e3SWang Nan snprintf(errbuf, sizeof(errbuf), 6644edf30e3SWang Nan "Attach events in BPF object failed"); 6654edf30e3SWang Nan goto errout; 6664edf30e3SWang Nan } 6674edf30e3SWang Nan 6684edf30e3SWang Nan return 0; 66984c86ca1SWang Nan errout: 67084c86ca1SWang Nan data->error->help = strdup("(add -v to see detail)"); 67184c86ca1SWang Nan data->error->str = strdup(errbuf); 67284c86ca1SWang Nan return err; 67384c86ca1SWang Nan } 67484c86ca1SWang Nan 675a34f3be7SWang Nan static int 676a34f3be7SWang Nan parse_events_config_bpf(struct parse_events_evlist *data, 677a34f3be7SWang Nan struct bpf_object *obj, 678a34f3be7SWang Nan struct list_head *head_config) 679a34f3be7SWang Nan { 680a34f3be7SWang Nan struct parse_events_term *term; 681a34f3be7SWang Nan int error_pos; 682a34f3be7SWang Nan 683a34f3be7SWang Nan if (!head_config || list_empty(head_config)) 684a34f3be7SWang Nan return 0; 685a34f3be7SWang Nan 686a34f3be7SWang Nan list_for_each_entry(term, head_config, list) { 687a34f3be7SWang Nan char errbuf[BUFSIZ]; 688a34f3be7SWang Nan int err; 689a34f3be7SWang Nan 690a34f3be7SWang Nan if (term->type_term != PARSE_EVENTS__TERM_TYPE_USER) { 691a34f3be7SWang Nan snprintf(errbuf, sizeof(errbuf), 692a34f3be7SWang Nan "Invalid config term for BPF object"); 693a34f3be7SWang Nan errbuf[BUFSIZ - 1] = '\0'; 694a34f3be7SWang Nan 695a34f3be7SWang Nan data->error->idx = term->err_term; 696a34f3be7SWang Nan data->error->str = strdup(errbuf); 697a34f3be7SWang Nan return -EINVAL; 698a34f3be7SWang Nan } 699a34f3be7SWang Nan 7007630b3e2SWang Nan err = bpf__config_obj(obj, term, data->evlist, &error_pos); 701a34f3be7SWang Nan if (err) { 7027630b3e2SWang Nan bpf__strerror_config_obj(obj, term, data->evlist, 703a34f3be7SWang Nan &error_pos, err, errbuf, 704a34f3be7SWang Nan sizeof(errbuf)); 705a34f3be7SWang Nan data->error->help = strdup( 7067630b3e2SWang Nan "Hint:\tValid config terms:\n" 707*e571e029SWang Nan " \tmap:[<arraymap>].value<indices>=[value]\n" 708*e571e029SWang Nan " \tmap:[<eventmap>].event<indices>=[event]\n" 7097630b3e2SWang Nan "\n" 710*e571e029SWang Nan " \twhere <indices> is something like [0,3...5] or [all]\n" 711a34f3be7SWang Nan " \t(add -v to see detail)"); 712a34f3be7SWang Nan data->error->str = strdup(errbuf); 713a34f3be7SWang Nan if (err == -BPF_LOADER_ERRNO__OBJCONF_MAP_VALUE) 714a34f3be7SWang Nan data->error->idx = term->err_val; 715a34f3be7SWang Nan else 716a34f3be7SWang Nan data->error->idx = term->err_term + error_pos; 717a34f3be7SWang Nan return err; 718a34f3be7SWang Nan } 719a34f3be7SWang Nan } 720a34f3be7SWang Nan return 0; 721a34f3be7SWang Nan } 722a34f3be7SWang Nan 72384c86ca1SWang Nan int parse_events_load_bpf(struct parse_events_evlist *data, 72484c86ca1SWang Nan struct list_head *list, 725d509db04SWang Nan char *bpf_file_name, 726a34f3be7SWang Nan bool source, 727a34f3be7SWang Nan struct list_head *head_config) 72884c86ca1SWang Nan { 72984c86ca1SWang Nan struct bpf_object *obj; 730a34f3be7SWang Nan int err; 73184c86ca1SWang Nan 732d509db04SWang Nan obj = bpf__prepare_load(bpf_file_name, source); 7336371ca3bSWang Nan if (IS_ERR(obj)) { 73484c86ca1SWang Nan char errbuf[BUFSIZ]; 73584c86ca1SWang Nan 7366371ca3bSWang Nan err = PTR_ERR(obj); 73784c86ca1SWang Nan 73884c86ca1SWang Nan if (err == -ENOTSUP) 73984c86ca1SWang Nan snprintf(errbuf, sizeof(errbuf), 74084c86ca1SWang Nan "BPF support is not compiled"); 74184c86ca1SWang Nan else 742d3e0ce39SWang Nan bpf__strerror_prepare_load(bpf_file_name, 743d3e0ce39SWang Nan source, 744d3e0ce39SWang Nan -err, errbuf, 745d3e0ce39SWang Nan sizeof(errbuf)); 74684c86ca1SWang Nan 74784c86ca1SWang Nan data->error->help = strdup("(add -v to see detail)"); 74884c86ca1SWang Nan data->error->str = strdup(errbuf); 74984c86ca1SWang Nan return err; 75084c86ca1SWang Nan } 75184c86ca1SWang Nan 752a34f3be7SWang Nan err = parse_events_load_bpf_obj(data, list, obj); 753a34f3be7SWang Nan if (err) 754a34f3be7SWang Nan return err; 755a34f3be7SWang Nan return parse_events_config_bpf(data, obj, head_config); 75684c86ca1SWang Nan } 75784c86ca1SWang Nan 75889812fc8SJiri Olsa static int 75989812fc8SJiri Olsa parse_breakpoint_type(const char *type, struct perf_event_attr *attr) 7601b290d67SFrederic Weisbecker { 7611b290d67SFrederic Weisbecker int i; 7621b290d67SFrederic Weisbecker 7631b290d67SFrederic Weisbecker for (i = 0; i < 3; i++) { 76489812fc8SJiri Olsa if (!type || !type[i]) 7651b290d67SFrederic Weisbecker break; 7661b290d67SFrederic Weisbecker 7677582732fSJiri Olsa #define CHECK_SET_TYPE(bit) \ 7687582732fSJiri Olsa do { \ 7697582732fSJiri Olsa if (attr->bp_type & bit) \ 7707582732fSJiri Olsa return -EINVAL; \ 7717582732fSJiri Olsa else \ 7727582732fSJiri Olsa attr->bp_type |= bit; \ 7737582732fSJiri Olsa } while (0) 7747582732fSJiri Olsa 7751b290d67SFrederic Weisbecker switch (type[i]) { 7761b290d67SFrederic Weisbecker case 'r': 7777582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_R); 7781b290d67SFrederic Weisbecker break; 7791b290d67SFrederic Weisbecker case 'w': 7807582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_W); 7811b290d67SFrederic Weisbecker break; 7821b290d67SFrederic Weisbecker case 'x': 7837582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_X); 7841b290d67SFrederic Weisbecker break; 7851b290d67SFrederic Weisbecker default: 78689812fc8SJiri Olsa return -EINVAL; 7871b290d67SFrederic Weisbecker } 7881b290d67SFrederic Weisbecker } 78989812fc8SJiri Olsa 7907582732fSJiri Olsa #undef CHECK_SET_TYPE 7917582732fSJiri Olsa 7921b290d67SFrederic Weisbecker if (!attr->bp_type) /* Default */ 7931b290d67SFrederic Weisbecker attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; 7941b290d67SFrederic Weisbecker 79589812fc8SJiri Olsa return 0; 7961b290d67SFrederic Weisbecker } 7971b290d67SFrederic Weisbecker 798c5cd8ac0SDavid Ahern int parse_events_add_breakpoint(struct list_head *list, int *idx, 7993741eb9fSJacob Shin void *ptr, char *type, u64 len) 8001b290d67SFrederic Weisbecker { 80189812fc8SJiri Olsa struct perf_event_attr attr; 8021b290d67SFrederic Weisbecker 80389812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 8049fafd98fSJiri Olsa attr.bp_addr = (unsigned long) ptr; 8051b290d67SFrederic Weisbecker 80689812fc8SJiri Olsa if (parse_breakpoint_type(type, &attr)) 80789812fc8SJiri Olsa return -EINVAL; 8081b290d67SFrederic Weisbecker 8093741eb9fSJacob Shin /* Provide some defaults if len is not specified */ 8103741eb9fSJacob Shin if (!len) { 81189812fc8SJiri Olsa if (attr.bp_type == HW_BREAKPOINT_X) 8123741eb9fSJacob Shin len = sizeof(long); 813aa59a485SFrederic Weisbecker else 8143741eb9fSJacob Shin len = HW_BREAKPOINT_LEN_4; 8153741eb9fSJacob Shin } 8163741eb9fSJacob Shin 8173741eb9fSJacob Shin attr.bp_len = len; 818aa59a485SFrederic Weisbecker 81989812fc8SJiri Olsa attr.type = PERF_TYPE_BREAKPOINT; 8204a841d65SJovi Zhang attr.sample_period = 1; 8211b290d67SFrederic Weisbecker 822930a2e29SJiri Olsa return add_event(list, idx, &attr, NULL, NULL); 8231b290d67SFrederic Weisbecker } 8241b290d67SFrederic Weisbecker 8253b0e371cSJiri Olsa static int check_type_val(struct parse_events_term *term, 8263b0e371cSJiri Olsa struct parse_events_error *err, 8273b0e371cSJiri Olsa int type) 8283b0e371cSJiri Olsa { 8293b0e371cSJiri Olsa if (type == term->type_val) 8303b0e371cSJiri Olsa return 0; 8313b0e371cSJiri Olsa 8323b0e371cSJiri Olsa if (err) { 8333b0e371cSJiri Olsa err->idx = term->err_val; 8343b0e371cSJiri Olsa if (type == PARSE_EVENTS__TERM_TYPE_NUM) 8353b0e371cSJiri Olsa err->str = strdup("expected numeric value"); 8363b0e371cSJiri Olsa else 8373b0e371cSJiri Olsa err->str = strdup("expected string value"); 8383b0e371cSJiri Olsa } 8393b0e371cSJiri Olsa return -EINVAL; 8403b0e371cSJiri Olsa } 8413b0e371cSJiri Olsa 84217cb5f84SWang Nan /* 84317cb5f84SWang Nan * Update according to parse-events.l 84417cb5f84SWang Nan */ 84517cb5f84SWang Nan static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = { 84617cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_USER] = "<sysfs term>", 84717cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG] = "config", 84817cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG1] = "config1", 84917cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG2] = "config2", 85017cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_NAME] = "name", 85117cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD] = "period", 85217cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ] = "freq", 85317cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE] = "branch_type", 85417cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_TIME] = "time", 85517cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CALLGRAPH] = "call-graph", 85617cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_STACKSIZE] = "stack-size", 85717cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_NOINHERIT] = "no-inherit", 85817cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_INHERIT] = "inherit", 85917cb5f84SWang Nan }; 86017cb5f84SWang Nan 8611669e509SWang Nan static bool config_term_shrinked; 8621669e509SWang Nan 8631669e509SWang Nan static bool 8641669e509SWang Nan config_term_avail(int term_type, struct parse_events_error *err) 8651669e509SWang Nan { 8661669e509SWang Nan if (term_type < 0 || term_type >= __PARSE_EVENTS__TERM_TYPE_NR) { 8671669e509SWang Nan err->str = strdup("Invalid term_type"); 8681669e509SWang Nan return false; 8691669e509SWang Nan } 8701669e509SWang Nan if (!config_term_shrinked) 8711669e509SWang Nan return true; 8721669e509SWang Nan 8731669e509SWang Nan switch (term_type) { 8741669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG: 8751669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG1: 8761669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG2: 8771669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_NAME: 8781669e509SWang Nan return true; 8791669e509SWang Nan default: 8801669e509SWang Nan if (!err) 8811669e509SWang Nan return false; 8821669e509SWang Nan 8831669e509SWang Nan /* term_type is validated so indexing is safe */ 8841669e509SWang Nan if (asprintf(&err->str, "'%s' is not usable in 'perf stat'", 8851669e509SWang Nan config_term_names[term_type]) < 0) 8861669e509SWang Nan err->str = NULL; 8871669e509SWang Nan return false; 8881669e509SWang Nan } 8891669e509SWang Nan } 8901669e509SWang Nan 8911669e509SWang Nan void parse_events__shrink_config_terms(void) 8921669e509SWang Nan { 8931669e509SWang Nan config_term_shrinked = true; 8941669e509SWang Nan } 8951669e509SWang Nan 8960b8891a8SHe Kuang static int config_term_common(struct perf_event_attr *attr, 8973b0e371cSJiri Olsa struct parse_events_term *term, 8983b0e371cSJiri Olsa struct parse_events_error *err) 8998f707d84SJiri Olsa { 90016fa7e82SJiri Olsa #define CHECK_TYPE_VAL(type) \ 90116fa7e82SJiri Olsa do { \ 9023b0e371cSJiri Olsa if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ 90316fa7e82SJiri Olsa return -EINVAL; \ 90416fa7e82SJiri Olsa } while (0) 90516fa7e82SJiri Olsa 90616fa7e82SJiri Olsa switch (term->type_term) { 9078f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG: 90816fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9098f707d84SJiri Olsa attr->config = term->val.num; 9108f707d84SJiri Olsa break; 9118f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG1: 91216fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9138f707d84SJiri Olsa attr->config1 = term->val.num; 9148f707d84SJiri Olsa break; 9158f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG2: 91616fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9178f707d84SJiri Olsa attr->config2 = term->val.num; 9188f707d84SJiri Olsa break; 9198f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: 92016fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 9218f707d84SJiri Olsa break; 92209af2a55SNamhyung Kim case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: 92309af2a55SNamhyung Kim CHECK_TYPE_VAL(NUM); 92409af2a55SNamhyung Kim break; 9258f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: 9268f707d84SJiri Olsa /* 9278f707d84SJiri Olsa * TODO uncomment when the field is available 9288f707d84SJiri Olsa * attr->branch_sample_type = term->val.num; 9298f707d84SJiri Olsa */ 9308f707d84SJiri Olsa break; 93132067712SKan Liang case PARSE_EVENTS__TERM_TYPE_TIME: 93232067712SKan Liang CHECK_TYPE_VAL(NUM); 93332067712SKan Liang if (term->val.num > 1) { 93432067712SKan Liang err->str = strdup("expected 0 or 1"); 93532067712SKan Liang err->idx = term->err_val; 93632067712SKan Liang return -EINVAL; 93732067712SKan Liang } 93832067712SKan Liang break; 939d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 940d457c963SKan Liang CHECK_TYPE_VAL(STR); 941d457c963SKan Liang break; 942d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 943d457c963SKan Liang CHECK_TYPE_VAL(NUM); 944d457c963SKan Liang break; 945374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 946374ce938SWang Nan CHECK_TYPE_VAL(NUM); 947374ce938SWang Nan break; 948374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 949374ce938SWang Nan CHECK_TYPE_VAL(NUM); 950374ce938SWang Nan break; 9516b5fc39bSJiri Olsa case PARSE_EVENTS__TERM_TYPE_NAME: 9526b5fc39bSJiri Olsa CHECK_TYPE_VAL(STR); 9536b5fc39bSJiri Olsa break; 9548f707d84SJiri Olsa default: 955ffeb883eSHe Kuang err->str = strdup("unknown term"); 956ffeb883eSHe Kuang err->idx = term->err_term; 957ffeb883eSHe Kuang err->help = parse_events_formats_error_string(NULL); 9588f707d84SJiri Olsa return -EINVAL; 9598f707d84SJiri Olsa } 96016fa7e82SJiri Olsa 9611669e509SWang Nan /* 9621669e509SWang Nan * Check term availbility after basic checking so 9631669e509SWang Nan * PARSE_EVENTS__TERM_TYPE_USER can be found and filtered. 9641669e509SWang Nan * 9651669e509SWang Nan * If check availbility at the entry of this function, 9661669e509SWang Nan * user will see "'<sysfs term>' is not usable in 'perf stat'" 9671669e509SWang Nan * if an invalid config term is provided for legacy events 9681669e509SWang Nan * (for example, instructions/badterm/...), which is confusing. 9691669e509SWang Nan */ 9701669e509SWang Nan if (!config_term_avail(term->type_term, err)) 9711669e509SWang Nan return -EINVAL; 9728f707d84SJiri Olsa return 0; 97316fa7e82SJiri Olsa #undef CHECK_TYPE_VAL 9748f707d84SJiri Olsa } 9758f707d84SJiri Olsa 9760b8891a8SHe Kuang static int config_term_pmu(struct perf_event_attr *attr, 9770b8891a8SHe Kuang struct parse_events_term *term, 9780b8891a8SHe Kuang struct parse_events_error *err) 9790b8891a8SHe Kuang { 9800b8891a8SHe Kuang if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER) 9810b8891a8SHe Kuang /* 9820b8891a8SHe Kuang * Always succeed for sysfs terms, as we dont know 9830b8891a8SHe Kuang * at this point what type they need to have. 9840b8891a8SHe Kuang */ 9850b8891a8SHe Kuang return 0; 9860b8891a8SHe Kuang else 9870b8891a8SHe Kuang return config_term_common(attr, term, err); 9880b8891a8SHe Kuang } 9890b8891a8SHe Kuang 990e637d177SHe Kuang static int config_term_tracepoint(struct perf_event_attr *attr, 991e637d177SHe Kuang struct parse_events_term *term, 992e637d177SHe Kuang struct parse_events_error *err) 993e637d177SHe Kuang { 994e637d177SHe Kuang switch (term->type_term) { 995e637d177SHe Kuang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 996e637d177SHe Kuang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 997374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 998374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 999e637d177SHe Kuang return config_term_common(attr, term, err); 1000e637d177SHe Kuang default: 1001e637d177SHe Kuang if (err) { 1002e637d177SHe Kuang err->idx = term->err_term; 1003e637d177SHe Kuang err->str = strdup("unknown term"); 1004e637d177SHe Kuang err->help = strdup("valid terms: call-graph,stack-size\n"); 1005e637d177SHe Kuang } 1006e637d177SHe Kuang return -EINVAL; 1007e637d177SHe Kuang } 1008e637d177SHe Kuang 1009e637d177SHe Kuang return 0; 1010e637d177SHe Kuang } 1011e637d177SHe Kuang 10128f707d84SJiri Olsa static int config_attr(struct perf_event_attr *attr, 10133b0e371cSJiri Olsa struct list_head *head, 10140b8891a8SHe Kuang struct parse_events_error *err, 10150b8891a8SHe Kuang config_term_func_t config_term) 10168f707d84SJiri Olsa { 10176cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term; 10188f707d84SJiri Olsa 10198f707d84SJiri Olsa list_for_each_entry(term, head, list) 10203b0e371cSJiri Olsa if (config_term(attr, term, err)) 10218f707d84SJiri Olsa return -EINVAL; 10228f707d84SJiri Olsa 10238f707d84SJiri Olsa return 0; 10248f707d84SJiri Olsa } 10258f707d84SJiri Olsa 1026930a2e29SJiri Olsa static int get_config_terms(struct list_head *head_config, 1027930a2e29SJiri Olsa struct list_head *head_terms __maybe_unused) 1028930a2e29SJiri Olsa { 1029930a2e29SJiri Olsa #define ADD_CONFIG_TERM(__type, __name, __val) \ 1030930a2e29SJiri Olsa do { \ 1031930a2e29SJiri Olsa struct perf_evsel_config_term *__t; \ 1032930a2e29SJiri Olsa \ 1033930a2e29SJiri Olsa __t = zalloc(sizeof(*__t)); \ 1034930a2e29SJiri Olsa if (!__t) \ 1035930a2e29SJiri Olsa return -ENOMEM; \ 1036930a2e29SJiri Olsa \ 1037930a2e29SJiri Olsa INIT_LIST_HEAD(&__t->list); \ 1038930a2e29SJiri Olsa __t->type = PERF_EVSEL__CONFIG_TERM_ ## __type; \ 1039930a2e29SJiri Olsa __t->val.__name = __val; \ 1040930a2e29SJiri Olsa list_add_tail(&__t->list, head_terms); \ 1041930a2e29SJiri Olsa } while (0) 1042930a2e29SJiri Olsa 1043930a2e29SJiri Olsa struct parse_events_term *term; 1044930a2e29SJiri Olsa 1045930a2e29SJiri Olsa list_for_each_entry(term, head_config, list) { 1046930a2e29SJiri Olsa switch (term->type_term) { 1047ee4c7588SJiri Olsa case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: 1048ee4c7588SJiri Olsa ADD_CONFIG_TERM(PERIOD, period, term->val.num); 104932067712SKan Liang break; 105009af2a55SNamhyung Kim case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: 105109af2a55SNamhyung Kim ADD_CONFIG_TERM(FREQ, freq, term->val.num); 105209af2a55SNamhyung Kim break; 105332067712SKan Liang case PARSE_EVENTS__TERM_TYPE_TIME: 105432067712SKan Liang ADD_CONFIG_TERM(TIME, time, term->val.num); 105532067712SKan Liang break; 1056d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 1057d457c963SKan Liang ADD_CONFIG_TERM(CALLGRAPH, callgraph, term->val.str); 1058d457c963SKan Liang break; 1059d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 1060d457c963SKan Liang ADD_CONFIG_TERM(STACK_USER, stack_user, term->val.num); 1061d457c963SKan Liang break; 1062374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 1063374ce938SWang Nan ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 1 : 0); 1064374ce938SWang Nan break; 1065374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 1066374ce938SWang Nan ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 0 : 1); 1067374ce938SWang Nan break; 1068930a2e29SJiri Olsa default: 1069930a2e29SJiri Olsa break; 1070930a2e29SJiri Olsa } 1071930a2e29SJiri Olsa } 1072930a2e29SJiri Olsa #undef ADD_EVSEL_CONFIG 1073930a2e29SJiri Olsa return 0; 1074930a2e29SJiri Olsa } 1075930a2e29SJiri Olsa 1076e637d177SHe Kuang int parse_events_add_tracepoint(struct list_head *list, int *idx, 1077e637d177SHe Kuang char *sys, char *event, 1078272ed29aSJiri Olsa struct parse_events_error *err, 1079e637d177SHe Kuang struct list_head *head_config) 1080e637d177SHe Kuang { 1081e637d177SHe Kuang if (head_config) { 1082e637d177SHe Kuang struct perf_event_attr attr; 1083e637d177SHe Kuang 1084272ed29aSJiri Olsa if (config_attr(&attr, head_config, err, 1085e637d177SHe Kuang config_term_tracepoint)) 1086e637d177SHe Kuang return -EINVAL; 1087e637d177SHe Kuang } 1088e637d177SHe Kuang 1089e637d177SHe Kuang if (strpbrk(sys, "*?")) 1090e637d177SHe Kuang return add_tracepoint_multi_sys(list, idx, sys, event, 1091272ed29aSJiri Olsa err, head_config); 1092e637d177SHe Kuang else 1093e637d177SHe Kuang return add_tracepoint_event(list, idx, sys, event, 1094272ed29aSJiri Olsa err, head_config); 1095e637d177SHe Kuang } 1096e637d177SHe Kuang 109787d650beSJiri Olsa int parse_events_add_numeric(struct parse_events_evlist *data, 109887d650beSJiri Olsa struct list_head *list, 1099b527bab5SRobert Richter u32 type, u64 config, 11008f707d84SJiri Olsa struct list_head *head_config) 110174d5b588SJaswinder Singh Rajput { 110289812fc8SJiri Olsa struct perf_event_attr attr; 1103930a2e29SJiri Olsa LIST_HEAD(config_terms); 110474d5b588SJaswinder Singh Rajput 110589812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 110689812fc8SJiri Olsa attr.type = type; 110789812fc8SJiri Olsa attr.config = config; 11088f707d84SJiri Olsa 1109930a2e29SJiri Olsa if (head_config) { 11100b8891a8SHe Kuang if (config_attr(&attr, head_config, data->error, 11110b8891a8SHe Kuang config_term_common)) 11128f707d84SJiri Olsa return -EINVAL; 11138f707d84SJiri Olsa 1114930a2e29SJiri Olsa if (get_config_terms(head_config, &config_terms)) 1115930a2e29SJiri Olsa return -ENOMEM; 1116930a2e29SJiri Olsa } 1117930a2e29SJiri Olsa 111810bf358aSWang Nan return add_event(list, &data->idx, &attr, 111910bf358aSWang Nan get_config_name(head_config), &config_terms); 1120b908debdSIngo Molnar } 1121b908debdSIngo Molnar 112236adec85SJiri Olsa int parse_events_add_pmu(struct parse_events_evlist *data, 112336adec85SJiri Olsa struct list_head *list, char *name, 112436adec85SJiri Olsa struct list_head *head_config) 11255f537a26SJiri Olsa { 11265f537a26SJiri Olsa struct perf_event_attr attr; 112746441bdcSMatt Fleming struct perf_pmu_info info; 11285f537a26SJiri Olsa struct perf_pmu *pmu; 1129410136f5SStephane Eranian struct perf_evsel *evsel; 1130930a2e29SJiri Olsa LIST_HEAD(config_terms); 11315f537a26SJiri Olsa 11325f537a26SJiri Olsa pmu = perf_pmu__find(name); 11335f537a26SJiri Olsa if (!pmu) 11345f537a26SJiri Olsa return -EINVAL; 11355f537a26SJiri Olsa 1136dc0a6202SAdrian Hunter if (pmu->default_config) { 1137dc0a6202SAdrian Hunter memcpy(&attr, pmu->default_config, 1138dc0a6202SAdrian Hunter sizeof(struct perf_event_attr)); 1139dc0a6202SAdrian Hunter } else { 11405f537a26SJiri Olsa memset(&attr, 0, sizeof(attr)); 1141dc0a6202SAdrian Hunter } 11425f537a26SJiri Olsa 1143ad962273SAdrian Hunter if (!head_config) { 1144ad962273SAdrian Hunter attr.type = pmu->type; 1145930a2e29SJiri Olsa evsel = __add_event(list, &data->idx, &attr, NULL, pmu->cpus, NULL); 1146ad962273SAdrian Hunter return evsel ? 0 : -ENOMEM; 1147ad962273SAdrian Hunter } 1148ad962273SAdrian Hunter 114946441bdcSMatt Fleming if (perf_pmu__check_alias(pmu, head_config, &info)) 1150a6146d50SZheng Yan return -EINVAL; 1151a6146d50SZheng Yan 11525f537a26SJiri Olsa /* 11535f537a26SJiri Olsa * Configure hardcoded terms first, no need to check 11545f537a26SJiri Olsa * return value when called with fail == 0 ;) 11555f537a26SJiri Olsa */ 11560b8891a8SHe Kuang if (config_attr(&attr, head_config, data->error, config_term_pmu)) 1157c056ba6aSJiri Olsa return -EINVAL; 11585f537a26SJiri Olsa 1159930a2e29SJiri Olsa if (get_config_terms(head_config, &config_terms)) 1160930a2e29SJiri Olsa return -ENOMEM; 1161930a2e29SJiri Olsa 1162e64b020bSJiri Olsa if (perf_pmu__config(pmu, &attr, head_config, data->error)) 11635f537a26SJiri Olsa return -EINVAL; 11645f537a26SJiri Olsa 116536adec85SJiri Olsa evsel = __add_event(list, &data->idx, &attr, 1166e814fdddSWang Nan get_config_name(head_config), pmu->cpus, 1167930a2e29SJiri Olsa &config_terms); 1168410136f5SStephane Eranian if (evsel) { 116946441bdcSMatt Fleming evsel->unit = info.unit; 117046441bdcSMatt Fleming evsel->scale = info.scale; 1171044330c1SMatt Fleming evsel->per_pkg = info.per_pkg; 11721d9e446bSJiri Olsa evsel->snapshot = info.snapshot; 1173410136f5SStephane Eranian } 1174410136f5SStephane Eranian 1175410136f5SStephane Eranian return evsel ? 0 : -ENOMEM; 11765f537a26SJiri Olsa } 11775f537a26SJiri Olsa 11786a4bb04cSJiri Olsa int parse_events__modifier_group(struct list_head *list, 11796a4bb04cSJiri Olsa char *event_mod) 118089efb029SJiri Olsa { 11816a4bb04cSJiri Olsa return parse_events__modifier_event(list, event_mod, true); 11826a4bb04cSJiri Olsa } 11836a4bb04cSJiri Olsa 118463dab225SArnaldo Carvalho de Melo void parse_events__set_leader(char *name, struct list_head *list) 11856a4bb04cSJiri Olsa { 11866a4bb04cSJiri Olsa struct perf_evsel *leader; 11876a4bb04cSJiri Olsa 1188854f7363SWang Nan if (list_empty(list)) { 1189854f7363SWang Nan WARN_ONCE(true, "WARNING: failed to set leader: empty list"); 1190854f7363SWang Nan return; 1191854f7363SWang Nan } 1192854f7363SWang Nan 119363dab225SArnaldo Carvalho de Melo __perf_evlist__set_leader(list); 119463dab225SArnaldo Carvalho de Melo leader = list_entry(list->next, struct perf_evsel, node); 11956a4bb04cSJiri Olsa leader->group_name = name ? strdup(name) : NULL; 119689efb029SJiri Olsa } 119789efb029SJiri Olsa 1198c5cd8ac0SDavid Ahern /* list_event is assumed to point to malloc'ed memory */ 11995d7be90eSJiri Olsa void parse_events_update_lists(struct list_head *list_event, 12005d7be90eSJiri Olsa struct list_head *list_all) 12015d7be90eSJiri Olsa { 12025d7be90eSJiri Olsa /* 12035d7be90eSJiri Olsa * Called for single event definition. Update the 120489efb029SJiri Olsa * 'all event' list, and reinit the 'single event' 12055d7be90eSJiri Olsa * list, for next event definition. 12065d7be90eSJiri Olsa */ 12075d7be90eSJiri Olsa list_splice_tail(list_event, list_all); 1208b847cbdcSJiri Olsa free(list_event); 12095d7be90eSJiri Olsa } 12105d7be90eSJiri Olsa 1211f5b1135bSJiri Olsa struct event_modifier { 1212f5b1135bSJiri Olsa int eu; 1213f5b1135bSJiri Olsa int ek; 1214f5b1135bSJiri Olsa int eh; 1215f5b1135bSJiri Olsa int eH; 1216f5b1135bSJiri Olsa int eG; 1217a1e12da4SJiri Olsa int eI; 1218f5b1135bSJiri Olsa int precise; 12197f94af7aSJiri Olsa int precise_max; 1220f5b1135bSJiri Olsa int exclude_GH; 12213c176311SJiri Olsa int sample_read; 1222e9a7c414SMichael Ellerman int pinned; 1223f5b1135bSJiri Olsa }; 122461c45981SPaul Mackerras 1225f5b1135bSJiri Olsa static int get_event_modifier(struct event_modifier *mod, char *str, 1226f5b1135bSJiri Olsa struct perf_evsel *evsel) 1227f5b1135bSJiri Olsa { 1228f5b1135bSJiri Olsa int eu = evsel ? evsel->attr.exclude_user : 0; 1229f5b1135bSJiri Olsa int ek = evsel ? evsel->attr.exclude_kernel : 0; 1230f5b1135bSJiri Olsa int eh = evsel ? evsel->attr.exclude_hv : 0; 1231f5b1135bSJiri Olsa int eH = evsel ? evsel->attr.exclude_host : 0; 1232f5b1135bSJiri Olsa int eG = evsel ? evsel->attr.exclude_guest : 0; 1233a1e12da4SJiri Olsa int eI = evsel ? evsel->attr.exclude_idle : 0; 1234f5b1135bSJiri Olsa int precise = evsel ? evsel->attr.precise_ip : 0; 12357f94af7aSJiri Olsa int precise_max = 0; 12363c176311SJiri Olsa int sample_read = 0; 1237e9a7c414SMichael Ellerman int pinned = evsel ? evsel->attr.pinned : 0; 1238f5b1135bSJiri Olsa 1239f5b1135bSJiri Olsa int exclude = eu | ek | eh; 1240f5b1135bSJiri Olsa int exclude_GH = evsel ? evsel->exclude_GH : 0; 1241f5b1135bSJiri Olsa 1242f5b1135bSJiri Olsa memset(mod, 0, sizeof(*mod)); 1243ceb53fbfSIngo Molnar 124461c45981SPaul Mackerras while (*str) { 1245ab608344SPeter Zijlstra if (*str == 'u') { 1246ab608344SPeter Zijlstra if (!exclude) 1247ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 124861c45981SPaul Mackerras eu = 0; 1249ab608344SPeter Zijlstra } else if (*str == 'k') { 1250ab608344SPeter Zijlstra if (!exclude) 1251ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 125261c45981SPaul Mackerras ek = 0; 1253ab608344SPeter Zijlstra } else if (*str == 'h') { 1254ab608344SPeter Zijlstra if (!exclude) 1255ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 125661c45981SPaul Mackerras eh = 0; 125799320cc8SJoerg Roedel } else if (*str == 'G') { 125899320cc8SJoerg Roedel if (!exclude_GH) 125999320cc8SJoerg Roedel exclude_GH = eG = eH = 1; 126099320cc8SJoerg Roedel eG = 0; 126199320cc8SJoerg Roedel } else if (*str == 'H') { 126299320cc8SJoerg Roedel if (!exclude_GH) 126399320cc8SJoerg Roedel exclude_GH = eG = eH = 1; 126499320cc8SJoerg Roedel eH = 0; 1265a1e12da4SJiri Olsa } else if (*str == 'I') { 1266a1e12da4SJiri Olsa eI = 1; 1267ab608344SPeter Zijlstra } else if (*str == 'p') { 1268ab608344SPeter Zijlstra precise++; 12691342798cSDavid Ahern /* use of precise requires exclude_guest */ 12701342798cSDavid Ahern if (!exclude_GH) 12711342798cSDavid Ahern eG = 1; 12727f94af7aSJiri Olsa } else if (*str == 'P') { 12737f94af7aSJiri Olsa precise_max = 1; 12743c176311SJiri Olsa } else if (*str == 'S') { 12753c176311SJiri Olsa sample_read = 1; 1276e9a7c414SMichael Ellerman } else if (*str == 'D') { 1277e9a7c414SMichael Ellerman pinned = 1; 1278ab608344SPeter Zijlstra } else 127961c45981SPaul Mackerras break; 1280ab608344SPeter Zijlstra 128161c45981SPaul Mackerras ++str; 128261c45981SPaul Mackerras } 128374d5b588SJaswinder Singh Rajput 128486470930SIngo Molnar /* 128589812fc8SJiri Olsa * precise ip: 128689812fc8SJiri Olsa * 128789812fc8SJiri Olsa * 0 - SAMPLE_IP can have arbitrary skid 128889812fc8SJiri Olsa * 1 - SAMPLE_IP must have constant skid 128989812fc8SJiri Olsa * 2 - SAMPLE_IP requested to have 0 skid 129089812fc8SJiri Olsa * 3 - SAMPLE_IP must have 0 skid 129189812fc8SJiri Olsa * 129289812fc8SJiri Olsa * See also PERF_RECORD_MISC_EXACT_IP 129386470930SIngo Molnar */ 129489812fc8SJiri Olsa if (precise > 3) 129589812fc8SJiri Olsa return -EINVAL; 129686470930SIngo Molnar 1297f5b1135bSJiri Olsa mod->eu = eu; 1298f5b1135bSJiri Olsa mod->ek = ek; 1299f5b1135bSJiri Olsa mod->eh = eh; 1300f5b1135bSJiri Olsa mod->eH = eH; 1301f5b1135bSJiri Olsa mod->eG = eG; 1302a1e12da4SJiri Olsa mod->eI = eI; 1303f5b1135bSJiri Olsa mod->precise = precise; 13047f94af7aSJiri Olsa mod->precise_max = precise_max; 1305f5b1135bSJiri Olsa mod->exclude_GH = exclude_GH; 13063c176311SJiri Olsa mod->sample_read = sample_read; 1307e9a7c414SMichael Ellerman mod->pinned = pinned; 1308e9a7c414SMichael Ellerman 1309f5b1135bSJiri Olsa return 0; 1310f5b1135bSJiri Olsa } 1311f5b1135bSJiri Olsa 1312534123f4SJiri Olsa /* 1313534123f4SJiri Olsa * Basic modifier sanity check to validate it contains only one 1314534123f4SJiri Olsa * instance of any modifier (apart from 'p') present. 1315534123f4SJiri Olsa */ 1316534123f4SJiri Olsa static int check_modifier(char *str) 1317534123f4SJiri Olsa { 1318534123f4SJiri Olsa char *p = str; 1319534123f4SJiri Olsa 1320534123f4SJiri Olsa /* The sizeof includes 0 byte as well. */ 13217f94af7aSJiri Olsa if (strlen(str) > (sizeof("ukhGHpppPSDI") - 1)) 1322534123f4SJiri Olsa return -1; 1323534123f4SJiri Olsa 1324534123f4SJiri Olsa while (*p) { 1325534123f4SJiri Olsa if (*p != 'p' && strchr(p + 1, *p)) 1326534123f4SJiri Olsa return -1; 1327534123f4SJiri Olsa p++; 1328534123f4SJiri Olsa } 1329534123f4SJiri Olsa 1330534123f4SJiri Olsa return 0; 1331534123f4SJiri Olsa } 1332534123f4SJiri Olsa 1333f5b1135bSJiri Olsa int parse_events__modifier_event(struct list_head *list, char *str, bool add) 1334f5b1135bSJiri Olsa { 1335f5b1135bSJiri Olsa struct perf_evsel *evsel; 1336f5b1135bSJiri Olsa struct event_modifier mod; 1337f5b1135bSJiri Olsa 1338f5b1135bSJiri Olsa if (str == NULL) 1339f5b1135bSJiri Olsa return 0; 1340f5b1135bSJiri Olsa 1341534123f4SJiri Olsa if (check_modifier(str)) 1342534123f4SJiri Olsa return -EINVAL; 1343534123f4SJiri Olsa 1344f5b1135bSJiri Olsa if (!add && get_event_modifier(&mod, str, NULL)) 1345f5b1135bSJiri Olsa return -EINVAL; 1346f5b1135bSJiri Olsa 13470050f7aaSArnaldo Carvalho de Melo __evlist__for_each(list, evsel) { 1348f5b1135bSJiri Olsa if (add && get_event_modifier(&mod, str, evsel)) 1349f5b1135bSJiri Olsa return -EINVAL; 1350f5b1135bSJiri Olsa 1351f5b1135bSJiri Olsa evsel->attr.exclude_user = mod.eu; 1352f5b1135bSJiri Olsa evsel->attr.exclude_kernel = mod.ek; 1353f5b1135bSJiri Olsa evsel->attr.exclude_hv = mod.eh; 1354f5b1135bSJiri Olsa evsel->attr.precise_ip = mod.precise; 1355f5b1135bSJiri Olsa evsel->attr.exclude_host = mod.eH; 1356f5b1135bSJiri Olsa evsel->attr.exclude_guest = mod.eG; 1357a1e12da4SJiri Olsa evsel->attr.exclude_idle = mod.eI; 1358f5b1135bSJiri Olsa evsel->exclude_GH = mod.exclude_GH; 13593c176311SJiri Olsa evsel->sample_read = mod.sample_read; 13607f94af7aSJiri Olsa evsel->precise_max = mod.precise_max; 1361e9a7c414SMichael Ellerman 1362e9a7c414SMichael Ellerman if (perf_evsel__is_group_leader(evsel)) 1363e9a7c414SMichael Ellerman evsel->attr.pinned = mod.pinned; 1364ceb53fbfSIngo Molnar } 136586470930SIngo Molnar 136689812fc8SJiri Olsa return 0; 136786470930SIngo Molnar } 136886470930SIngo Molnar 1369ac2ba9f3SRobert Richter int parse_events_name(struct list_head *list, char *name) 1370ac2ba9f3SRobert Richter { 1371ac2ba9f3SRobert Richter struct perf_evsel *evsel; 1372ac2ba9f3SRobert Richter 13730050f7aaSArnaldo Carvalho de Melo __evlist__for_each(list, evsel) { 1374ac2ba9f3SRobert Richter if (!evsel->name) 1375ac2ba9f3SRobert Richter evsel->name = strdup(name); 1376ac2ba9f3SRobert Richter } 1377ac2ba9f3SRobert Richter 1378ac2ba9f3SRobert Richter return 0; 1379ac2ba9f3SRobert Richter } 1380ac2ba9f3SRobert Richter 1381dcb4e102SKan Liang static int 1382dcb4e102SKan Liang comp_pmu(const void *p1, const void *p2) 1383dcb4e102SKan Liang { 1384dcb4e102SKan Liang struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; 1385dcb4e102SKan Liang struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; 1386dcb4e102SKan Liang 1387dcb4e102SKan Liang return strcmp(pmu1->symbol, pmu2->symbol); 1388dcb4e102SKan Liang } 1389dcb4e102SKan Liang 1390dcb4e102SKan Liang static void perf_pmu__parse_cleanup(void) 1391dcb4e102SKan Liang { 1392dcb4e102SKan Liang if (perf_pmu_events_list_num > 0) { 1393dcb4e102SKan Liang struct perf_pmu_event_symbol *p; 1394dcb4e102SKan Liang int i; 1395dcb4e102SKan Liang 1396dcb4e102SKan Liang for (i = 0; i < perf_pmu_events_list_num; i++) { 1397dcb4e102SKan Liang p = perf_pmu_events_list + i; 1398dcb4e102SKan Liang free(p->symbol); 1399dcb4e102SKan Liang } 1400dcb4e102SKan Liang free(perf_pmu_events_list); 1401dcb4e102SKan Liang perf_pmu_events_list = NULL; 1402dcb4e102SKan Liang perf_pmu_events_list_num = 0; 1403dcb4e102SKan Liang } 1404dcb4e102SKan Liang } 1405dcb4e102SKan Liang 1406dcb4e102SKan Liang #define SET_SYMBOL(str, stype) \ 1407dcb4e102SKan Liang do { \ 1408dcb4e102SKan Liang p->symbol = str; \ 1409dcb4e102SKan Liang if (!p->symbol) \ 1410dcb4e102SKan Liang goto err; \ 1411dcb4e102SKan Liang p->type = stype; \ 1412dcb4e102SKan Liang } while (0) 1413dcb4e102SKan Liang 1414dcb4e102SKan Liang /* 1415dcb4e102SKan Liang * Read the pmu events list from sysfs 1416dcb4e102SKan Liang * Save it into perf_pmu_events_list 1417dcb4e102SKan Liang */ 1418dcb4e102SKan Liang static void perf_pmu__parse_init(void) 1419dcb4e102SKan Liang { 1420dcb4e102SKan Liang 1421dcb4e102SKan Liang struct perf_pmu *pmu = NULL; 1422dcb4e102SKan Liang struct perf_pmu_alias *alias; 1423dcb4e102SKan Liang int len = 0; 1424dcb4e102SKan Liang 1425dcb4e102SKan Liang pmu = perf_pmu__find("cpu"); 1426dcb4e102SKan Liang if ((pmu == NULL) || list_empty(&pmu->aliases)) { 1427dcb4e102SKan Liang perf_pmu_events_list_num = -1; 1428dcb4e102SKan Liang return; 1429dcb4e102SKan Liang } 1430dcb4e102SKan Liang list_for_each_entry(alias, &pmu->aliases, list) { 1431dcb4e102SKan Liang if (strchr(alias->name, '-')) 1432dcb4e102SKan Liang len++; 1433dcb4e102SKan Liang len++; 1434dcb4e102SKan Liang } 1435dcb4e102SKan Liang perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); 1436dcb4e102SKan Liang if (!perf_pmu_events_list) 1437dcb4e102SKan Liang return; 1438dcb4e102SKan Liang perf_pmu_events_list_num = len; 1439dcb4e102SKan Liang 1440dcb4e102SKan Liang len = 0; 1441dcb4e102SKan Liang list_for_each_entry(alias, &pmu->aliases, list) { 1442dcb4e102SKan Liang struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; 1443dcb4e102SKan Liang char *tmp = strchr(alias->name, '-'); 1444dcb4e102SKan Liang 1445dcb4e102SKan Liang if (tmp != NULL) { 1446dcb4e102SKan Liang SET_SYMBOL(strndup(alias->name, tmp - alias->name), 1447dcb4e102SKan Liang PMU_EVENT_SYMBOL_PREFIX); 1448dcb4e102SKan Liang p++; 1449dcb4e102SKan Liang SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); 1450dcb4e102SKan Liang len += 2; 1451dcb4e102SKan Liang } else { 1452dcb4e102SKan Liang SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); 1453dcb4e102SKan Liang len++; 1454dcb4e102SKan Liang } 1455dcb4e102SKan Liang } 1456dcb4e102SKan Liang qsort(perf_pmu_events_list, len, 1457dcb4e102SKan Liang sizeof(struct perf_pmu_event_symbol), comp_pmu); 1458dcb4e102SKan Liang 1459dcb4e102SKan Liang return; 1460dcb4e102SKan Liang err: 1461dcb4e102SKan Liang perf_pmu__parse_cleanup(); 1462dcb4e102SKan Liang } 1463dcb4e102SKan Liang 1464dcb4e102SKan Liang enum perf_pmu_event_symbol_type 1465dcb4e102SKan Liang perf_pmu__parse_check(const char *name) 1466dcb4e102SKan Liang { 1467dcb4e102SKan Liang struct perf_pmu_event_symbol p, *r; 1468dcb4e102SKan Liang 1469dcb4e102SKan Liang /* scan kernel pmu events from sysfs if needed */ 1470dcb4e102SKan Liang if (perf_pmu_events_list_num == 0) 1471dcb4e102SKan Liang perf_pmu__parse_init(); 1472dcb4e102SKan Liang /* 1473dcb4e102SKan Liang * name "cpu" could be prefix of cpu-cycles or cpu// events. 1474dcb4e102SKan Liang * cpu-cycles has been handled by hardcode. 1475dcb4e102SKan Liang * So it must be cpu// events, not kernel pmu event. 1476dcb4e102SKan Liang */ 1477dcb4e102SKan Liang if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) 1478dcb4e102SKan Liang return PMU_EVENT_SYMBOL_ERR; 1479dcb4e102SKan Liang 1480dcb4e102SKan Liang p.symbol = strdup(name); 1481dcb4e102SKan Liang r = bsearch(&p, perf_pmu_events_list, 1482dcb4e102SKan Liang (size_t) perf_pmu_events_list_num, 1483dcb4e102SKan Liang sizeof(struct perf_pmu_event_symbol), comp_pmu); 1484dcb4e102SKan Liang free(p.symbol); 1485dcb4e102SKan Liang return r ? r->type : PMU_EVENT_SYMBOL_ERR; 1486dcb4e102SKan Liang } 1487dcb4e102SKan Liang 148890e2b22dSJiri Olsa static int parse_events__scanner(const char *str, void *data, int start_token) 1489ac20de6fSZheng Yan { 1490ac20de6fSZheng Yan YY_BUFFER_STATE buffer; 1491ac20de6fSZheng Yan void *scanner; 1492ac20de6fSZheng Yan int ret; 1493ac20de6fSZheng Yan 149490e2b22dSJiri Olsa ret = parse_events_lex_init_extra(start_token, &scanner); 1495ac20de6fSZheng Yan if (ret) 1496ac20de6fSZheng Yan return ret; 1497ac20de6fSZheng Yan 1498ac20de6fSZheng Yan buffer = parse_events__scan_string(str, scanner); 1499ac20de6fSZheng Yan 1500ac20de6fSZheng Yan #ifdef PARSER_DEBUG 1501ac20de6fSZheng Yan parse_events_debug = 1; 1502ac20de6fSZheng Yan #endif 1503ac20de6fSZheng Yan ret = parse_events_parse(data, scanner); 1504ac20de6fSZheng Yan 1505ac20de6fSZheng Yan parse_events__flush_buffer(buffer, scanner); 1506ac20de6fSZheng Yan parse_events__delete_buffer(buffer, scanner); 1507ac20de6fSZheng Yan parse_events_lex_destroy(scanner); 1508ac20de6fSZheng Yan return ret; 1509ac20de6fSZheng Yan } 1510ac20de6fSZheng Yan 151190e2b22dSJiri Olsa /* 151290e2b22dSJiri Olsa * parse event config string, return a list of event terms. 151390e2b22dSJiri Olsa */ 151490e2b22dSJiri Olsa int parse_events_terms(struct list_head *terms, const char *str) 151590e2b22dSJiri Olsa { 151623b6339bSArnaldo Carvalho de Melo struct parse_events_terms data = { 151790e2b22dSJiri Olsa .terms = NULL, 151890e2b22dSJiri Olsa }; 151990e2b22dSJiri Olsa int ret; 152090e2b22dSJiri Olsa 152190e2b22dSJiri Olsa ret = parse_events__scanner(str, &data, PE_START_TERMS); 152290e2b22dSJiri Olsa if (!ret) { 152390e2b22dSJiri Olsa list_splice(data.terms, terms); 152474cf249dSArnaldo Carvalho de Melo zfree(&data.terms); 152590e2b22dSJiri Olsa return 0; 152690e2b22dSJiri Olsa } 152790e2b22dSJiri Olsa 15282146afc6SArnaldo Carvalho de Melo parse_events_terms__delete(data.terms); 152990e2b22dSJiri Olsa return ret; 153090e2b22dSJiri Olsa } 153190e2b22dSJiri Olsa 1532b39b8393SJiri Olsa int parse_events(struct perf_evlist *evlist, const char *str, 1533b39b8393SJiri Olsa struct parse_events_error *err) 153486470930SIngo Molnar { 153523b6339bSArnaldo Carvalho de Melo struct parse_events_evlist data = { 153646010ab2SJiri Olsa .list = LIST_HEAD_INIT(data.list), 153746010ab2SJiri Olsa .idx = evlist->nr_entries, 1538b39b8393SJiri Olsa .error = err, 15397630b3e2SWang Nan .evlist = evlist, 154046010ab2SJiri Olsa }; 154146010ab2SJiri Olsa int ret; 154286470930SIngo Molnar 154390e2b22dSJiri Olsa ret = parse_events__scanner(str, &data, PE_START_EVENTS); 1544dcb4e102SKan Liang perf_pmu__parse_cleanup(); 154589812fc8SJiri Olsa if (!ret) { 154615bfd2ccSWang Nan struct perf_evsel *last; 154715bfd2ccSWang Nan 1548854f7363SWang Nan if (list_empty(&data.list)) { 1549854f7363SWang Nan WARN_ONCE(true, "WARNING: event parser found nothing"); 1550854f7363SWang Nan return -1; 1551854f7363SWang Nan } 1552854f7363SWang Nan 1553f114d6efSAdrian Hunter perf_evlist__splice_list_tail(evlist, &data.list); 155497f63e4aSNamhyung Kim evlist->nr_groups += data.nr_groups; 155515bfd2ccSWang Nan last = perf_evlist__last(evlist); 155615bfd2ccSWang Nan last->cmdline_group_boundary = true; 155715bfd2ccSWang Nan 155886470930SIngo Molnar return 0; 155986470930SIngo Molnar } 156086470930SIngo Molnar 15615d7be90eSJiri Olsa /* 15625d7be90eSJiri Olsa * There are 2 users - builtin-record and builtin-test objects. 15635d7be90eSJiri Olsa * Both call perf_evlist__delete in case of error, so we dont 15645d7be90eSJiri Olsa * need to bother. 15655d7be90eSJiri Olsa */ 156689812fc8SJiri Olsa return ret; 156789812fc8SJiri Olsa } 156889812fc8SJiri Olsa 1569b39b8393SJiri Olsa #define MAX_WIDTH 1000 1570b39b8393SJiri Olsa static int get_term_width(void) 1571b39b8393SJiri Olsa { 1572b39b8393SJiri Olsa struct winsize ws; 1573b39b8393SJiri Olsa 1574b39b8393SJiri Olsa get_term_dimensions(&ws); 1575b39b8393SJiri Olsa return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; 1576b39b8393SJiri Olsa } 1577b39b8393SJiri Olsa 1578b39b8393SJiri Olsa static void parse_events_print_error(struct parse_events_error *err, 1579b39b8393SJiri Olsa const char *event) 1580b39b8393SJiri Olsa { 1581b39b8393SJiri Olsa const char *str = "invalid or unsupported event: "; 1582b39b8393SJiri Olsa char _buf[MAX_WIDTH]; 1583b39b8393SJiri Olsa char *buf = (char *) event; 1584b39b8393SJiri Olsa int idx = 0; 1585b39b8393SJiri Olsa 1586b39b8393SJiri Olsa if (err->str) { 1587b39b8393SJiri Olsa /* -2 for extra '' in the final fprintf */ 1588b39b8393SJiri Olsa int width = get_term_width() - 2; 1589b39b8393SJiri Olsa int len_event = strlen(event); 1590b39b8393SJiri Olsa int len_str, max_len, cut = 0; 1591b39b8393SJiri Olsa 1592b39b8393SJiri Olsa /* 1593b39b8393SJiri Olsa * Maximum error index indent, we will cut 1594b39b8393SJiri Olsa * the event string if it's bigger. 1595b39b8393SJiri Olsa */ 1596141b2d31SAdrian Hunter int max_err_idx = 13; 1597b39b8393SJiri Olsa 1598b39b8393SJiri Olsa /* 1599b39b8393SJiri Olsa * Let's be specific with the message when 1600b39b8393SJiri Olsa * we have the precise error. 1601b39b8393SJiri Olsa */ 1602b39b8393SJiri Olsa str = "event syntax error: "; 1603b39b8393SJiri Olsa len_str = strlen(str); 1604b39b8393SJiri Olsa max_len = width - len_str; 1605b39b8393SJiri Olsa 1606b39b8393SJiri Olsa buf = _buf; 1607b39b8393SJiri Olsa 1608b39b8393SJiri Olsa /* We're cutting from the beggining. */ 1609b39b8393SJiri Olsa if (err->idx > max_err_idx) 1610b39b8393SJiri Olsa cut = err->idx - max_err_idx; 1611b39b8393SJiri Olsa 1612b39b8393SJiri Olsa strncpy(buf, event + cut, max_len); 1613b39b8393SJiri Olsa 1614b39b8393SJiri Olsa /* Mark cut parts with '..' on both sides. */ 1615b39b8393SJiri Olsa if (cut) 1616b39b8393SJiri Olsa buf[0] = buf[1] = '.'; 1617b39b8393SJiri Olsa 1618b39b8393SJiri Olsa if ((len_event - cut) > max_len) { 1619b39b8393SJiri Olsa buf[max_len - 1] = buf[max_len - 2] = '.'; 1620b39b8393SJiri Olsa buf[max_len] = 0; 1621b39b8393SJiri Olsa } 1622b39b8393SJiri Olsa 1623b39b8393SJiri Olsa idx = len_str + err->idx - cut; 1624b39b8393SJiri Olsa } 1625b39b8393SJiri Olsa 1626b39b8393SJiri Olsa fprintf(stderr, "%s'%s'\n", str, buf); 1627b39b8393SJiri Olsa if (idx) { 1628b39b8393SJiri Olsa fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err->str); 1629b39b8393SJiri Olsa if (err->help) 1630b39b8393SJiri Olsa fprintf(stderr, "\n%s\n", err->help); 1631b39b8393SJiri Olsa free(err->str); 1632b39b8393SJiri Olsa free(err->help); 1633b39b8393SJiri Olsa } 1634b39b8393SJiri Olsa 1635b39b8393SJiri Olsa fprintf(stderr, "Run 'perf list' for a list of valid events\n"); 1636b39b8393SJiri Olsa } 1637b39b8393SJiri Olsa 1638b39b8393SJiri Olsa #undef MAX_WIDTH 1639b39b8393SJiri Olsa 1640f120f9d5SJiri Olsa int parse_events_option(const struct option *opt, const char *str, 16411d037ca1SIrina Tirdea int unset __maybe_unused) 1642f120f9d5SJiri Olsa { 1643f120f9d5SJiri Olsa struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 1644b39b8393SJiri Olsa struct parse_events_error err = { .idx = 0, }; 1645b39b8393SJiri Olsa int ret = parse_events(evlist, str, &err); 16469175ce1fSAndi Kleen 1647b39b8393SJiri Olsa if (ret) 1648b39b8393SJiri Olsa parse_events_print_error(&err, str); 1649b39b8393SJiri Olsa 16509175ce1fSAndi Kleen return ret; 1651f120f9d5SJiri Olsa } 1652f120f9d5SJiri Olsa 16534ba1faa1SWang Nan static int 16544ba1faa1SWang Nan foreach_evsel_in_last_glob(struct perf_evlist *evlist, 16554ba1faa1SWang Nan int (*func)(struct perf_evsel *evsel, 16564ba1faa1SWang Nan const void *arg), 16574ba1faa1SWang Nan const void *arg) 1658c171b552SLi Zefan { 165969aad6f1SArnaldo Carvalho de Melo struct perf_evsel *last = NULL; 16604ba1faa1SWang Nan int err; 1661c171b552SLi Zefan 1662854f7363SWang Nan /* 1663854f7363SWang Nan * Don't return when list_empty, give func a chance to report 1664854f7363SWang Nan * error when it found last == NULL. 1665854f7363SWang Nan * 1666854f7363SWang Nan * So no need to WARN here, let *func do this. 1667854f7363SWang Nan */ 1668361c99a6SArnaldo Carvalho de Melo if (evlist->nr_entries > 0) 16690c21f736SArnaldo Carvalho de Melo last = perf_evlist__last(evlist); 167069aad6f1SArnaldo Carvalho de Melo 167115bfd2ccSWang Nan do { 16724ba1faa1SWang Nan err = (*func)(last, arg); 16734ba1faa1SWang Nan if (err) 1674c171b552SLi Zefan return -1; 16754ba1faa1SWang Nan if (!last) 16764ba1faa1SWang Nan return 0; 1677c171b552SLi Zefan 167815bfd2ccSWang Nan if (last->node.prev == &evlist->entries) 167915bfd2ccSWang Nan return 0; 168015bfd2ccSWang Nan last = list_entry(last->node.prev, struct perf_evsel, node); 168115bfd2ccSWang Nan } while (!last->cmdline_group_boundary); 168215bfd2ccSWang Nan 1683c171b552SLi Zefan return 0; 1684c171b552SLi Zefan } 1685c171b552SLi Zefan 16864ba1faa1SWang Nan static int set_filter(struct perf_evsel *evsel, const void *arg) 16874ba1faa1SWang Nan { 16884ba1faa1SWang Nan const char *str = arg; 16894ba1faa1SWang Nan 16904ba1faa1SWang Nan if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { 16914ba1faa1SWang Nan fprintf(stderr, 16924ba1faa1SWang Nan "--filter option should follow a -e tracepoint option\n"); 16934ba1faa1SWang Nan return -1; 16944ba1faa1SWang Nan } 16954ba1faa1SWang Nan 16964ba1faa1SWang Nan if (perf_evsel__append_filter(evsel, "&&", str) < 0) { 16974ba1faa1SWang Nan fprintf(stderr, 16984ba1faa1SWang Nan "not enough memory to hold filter string\n"); 16994ba1faa1SWang Nan return -1; 17004ba1faa1SWang Nan } 17014ba1faa1SWang Nan 17024ba1faa1SWang Nan return 0; 17034ba1faa1SWang Nan } 17044ba1faa1SWang Nan 17054ba1faa1SWang Nan int parse_filter(const struct option *opt, const char *str, 17064ba1faa1SWang Nan int unset __maybe_unused) 17074ba1faa1SWang Nan { 17084ba1faa1SWang Nan struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 17094ba1faa1SWang Nan 17104ba1faa1SWang Nan return foreach_evsel_in_last_glob(evlist, set_filter, 17114ba1faa1SWang Nan (const void *)str); 17124ba1faa1SWang Nan } 17134ba1faa1SWang Nan 17144ba1faa1SWang Nan static int add_exclude_perf_filter(struct perf_evsel *evsel, 17154ba1faa1SWang Nan const void *arg __maybe_unused) 17164ba1faa1SWang Nan { 17174ba1faa1SWang Nan char new_filter[64]; 17184ba1faa1SWang Nan 17194ba1faa1SWang Nan if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { 17204ba1faa1SWang Nan fprintf(stderr, 17214ba1faa1SWang Nan "--exclude-perf option should follow a -e tracepoint option\n"); 17224ba1faa1SWang Nan return -1; 17234ba1faa1SWang Nan } 17244ba1faa1SWang Nan 17254ba1faa1SWang Nan snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid()); 17264ba1faa1SWang Nan 17274ba1faa1SWang Nan if (perf_evsel__append_filter(evsel, "&&", new_filter) < 0) { 17284ba1faa1SWang Nan fprintf(stderr, 17294ba1faa1SWang Nan "not enough memory to hold filter string\n"); 17304ba1faa1SWang Nan return -1; 17314ba1faa1SWang Nan } 17324ba1faa1SWang Nan 17334ba1faa1SWang Nan return 0; 17344ba1faa1SWang Nan } 17354ba1faa1SWang Nan 17364ba1faa1SWang Nan int exclude_perf(const struct option *opt, 17374ba1faa1SWang Nan const char *arg __maybe_unused, 17384ba1faa1SWang Nan int unset __maybe_unused) 17394ba1faa1SWang Nan { 17404ba1faa1SWang Nan struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 17414ba1faa1SWang Nan 17424ba1faa1SWang Nan return foreach_evsel_in_last_glob(evlist, add_exclude_perf_filter, 17434ba1faa1SWang Nan NULL); 17444ba1faa1SWang Nan } 17454ba1faa1SWang Nan 174686470930SIngo Molnar static const char * const event_type_descriptors[] = { 174786470930SIngo Molnar "Hardware event", 174886470930SIngo Molnar "Software event", 174986470930SIngo Molnar "Tracepoint event", 175086470930SIngo Molnar "Hardware cache event", 175141bdcb23SLiming Wang "Raw hardware event descriptor", 175241bdcb23SLiming Wang "Hardware breakpoint", 175386470930SIngo Molnar }; 175486470930SIngo Molnar 1755ab0e4800SYunlong Song static int cmp_string(const void *a, const void *b) 1756ab0e4800SYunlong Song { 1757ab0e4800SYunlong Song const char * const *as = a; 1758ab0e4800SYunlong Song const char * const *bs = b; 1759ab0e4800SYunlong Song 1760ab0e4800SYunlong Song return strcmp(*as, *bs); 1761ab0e4800SYunlong Song } 1762ab0e4800SYunlong Song 176386470930SIngo Molnar /* 1764f6bdafefSJason Baron * Print the events from <debugfs_mount_point>/tracing/events 1765f6bdafefSJason Baron */ 1766f6bdafefSJason Baron 1767a3277d2dSFrederic Weisbecker void print_tracepoint_events(const char *subsys_glob, const char *event_glob, 1768a3277d2dSFrederic Weisbecker bool name_only) 1769f6bdafefSJason Baron { 1770f6bdafefSJason Baron DIR *sys_dir, *evt_dir; 1771f6bdafefSJason Baron struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; 1772f6bdafefSJason Baron char evt_path[MAXPATHLEN]; 1773725b1368SEric Dumazet char dir_path[MAXPATHLEN]; 1774ab0e4800SYunlong Song char **evt_list = NULL; 1775ab0e4800SYunlong Song unsigned int evt_i = 0, evt_num = 0; 1776ab0e4800SYunlong Song bool evt_num_known = false; 1777f6bdafefSJason Baron 1778ab0e4800SYunlong Song restart: 1779ebf294bfSArnaldo Carvalho de Melo sys_dir = opendir(tracing_events_path); 1780f6bdafefSJason Baron if (!sys_dir) 1781725b1368SEric Dumazet return; 1782f6bdafefSJason Baron 1783ab0e4800SYunlong Song if (evt_num_known) { 1784ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 1785ab0e4800SYunlong Song if (!evt_list) 1786ab0e4800SYunlong Song goto out_close_sys_dir; 1787ab0e4800SYunlong Song } 1788ab0e4800SYunlong Song 17896b58e7f1SUlrich Drepper for_each_subsystem(sys_dir, sys_dirent, sys_next) { 1790668b8788SArnaldo Carvalho de Melo if (subsys_glob != NULL && 1791668b8788SArnaldo Carvalho de Melo !strglobmatch(sys_dirent.d_name, subsys_glob)) 1792668b8788SArnaldo Carvalho de Melo continue; 1793725b1368SEric Dumazet 1794ebf294bfSArnaldo Carvalho de Melo snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, 1795725b1368SEric Dumazet sys_dirent.d_name); 1796725b1368SEric Dumazet evt_dir = opendir(dir_path); 1797725b1368SEric Dumazet if (!evt_dir) 17986b58e7f1SUlrich Drepper continue; 1799725b1368SEric Dumazet 18006b58e7f1SUlrich Drepper for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { 1801668b8788SArnaldo Carvalho de Melo if (event_glob != NULL && 1802668b8788SArnaldo Carvalho de Melo !strglobmatch(evt_dirent.d_name, event_glob)) 1803668b8788SArnaldo Carvalho de Melo continue; 1804668b8788SArnaldo Carvalho de Melo 1805ab0e4800SYunlong Song if (!evt_num_known) { 1806ab0e4800SYunlong Song evt_num++; 1807a3277d2dSFrederic Weisbecker continue; 1808a3277d2dSFrederic Weisbecker } 1809a3277d2dSFrederic Weisbecker 1810f6bdafefSJason Baron snprintf(evt_path, MAXPATHLEN, "%s:%s", 1811f6bdafefSJason Baron sys_dirent.d_name, evt_dirent.d_name); 1812ab0e4800SYunlong Song 1813ab0e4800SYunlong Song evt_list[evt_i] = strdup(evt_path); 1814ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 1815ab0e4800SYunlong Song goto out_close_evt_dir; 1816ab0e4800SYunlong Song evt_i++; 1817f6bdafefSJason Baron } 1818f6bdafefSJason Baron closedir(evt_dir); 1819f6bdafefSJason Baron } 1820f6bdafefSJason Baron closedir(sys_dir); 1821ab0e4800SYunlong Song 1822ab0e4800SYunlong Song if (!evt_num_known) { 1823ab0e4800SYunlong Song evt_num_known = true; 1824ab0e4800SYunlong Song goto restart; 1825ab0e4800SYunlong Song } 1826ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 1827ab0e4800SYunlong Song evt_i = 0; 1828ab0e4800SYunlong Song while (evt_i < evt_num) { 1829ab0e4800SYunlong Song if (name_only) { 1830ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 1831ab0e4800SYunlong Song continue; 1832ab0e4800SYunlong Song } 1833ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], 1834ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_TRACEPOINT]); 1835ab0e4800SYunlong Song } 1836dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 1837ab0e4800SYunlong Song printf("\n"); 1838ab0e4800SYunlong Song 1839ab0e4800SYunlong Song out_free: 1840ab0e4800SYunlong Song evt_num = evt_i; 1841ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 1842ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 1843ab0e4800SYunlong Song zfree(&evt_list); 1844ab0e4800SYunlong Song return; 1845ab0e4800SYunlong Song 1846ab0e4800SYunlong Song out_close_evt_dir: 1847ab0e4800SYunlong Song closedir(evt_dir); 1848ab0e4800SYunlong Song out_close_sys_dir: 1849ab0e4800SYunlong Song closedir(sys_dir); 1850ab0e4800SYunlong Song 1851ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", 1852ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_TRACEPOINT]); 1853ab0e4800SYunlong Song if (evt_list) 1854ab0e4800SYunlong Song goto out_free; 1855f6bdafefSJason Baron } 1856f6bdafefSJason Baron 1857f6bdafefSJason Baron /* 185820c457b8SThomas Renninger * Check whether event is in <debugfs_mount_point>/tracing/events 185920c457b8SThomas Renninger */ 186020c457b8SThomas Renninger 186120c457b8SThomas Renninger int is_valid_tracepoint(const char *event_string) 186220c457b8SThomas Renninger { 186320c457b8SThomas Renninger DIR *sys_dir, *evt_dir; 186420c457b8SThomas Renninger struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; 186520c457b8SThomas Renninger char evt_path[MAXPATHLEN]; 186620c457b8SThomas Renninger char dir_path[MAXPATHLEN]; 186720c457b8SThomas Renninger 1868ebf294bfSArnaldo Carvalho de Melo sys_dir = opendir(tracing_events_path); 186920c457b8SThomas Renninger if (!sys_dir) 187020c457b8SThomas Renninger return 0; 187120c457b8SThomas Renninger 187220c457b8SThomas Renninger for_each_subsystem(sys_dir, sys_dirent, sys_next) { 187320c457b8SThomas Renninger 1874ebf294bfSArnaldo Carvalho de Melo snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, 187520c457b8SThomas Renninger sys_dirent.d_name); 187620c457b8SThomas Renninger evt_dir = opendir(dir_path); 187720c457b8SThomas Renninger if (!evt_dir) 187820c457b8SThomas Renninger continue; 187920c457b8SThomas Renninger 188020c457b8SThomas Renninger for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { 188120c457b8SThomas Renninger snprintf(evt_path, MAXPATHLEN, "%s:%s", 188220c457b8SThomas Renninger sys_dirent.d_name, evt_dirent.d_name); 188320c457b8SThomas Renninger if (!strcmp(evt_path, event_string)) { 188420c457b8SThomas Renninger closedir(evt_dir); 188520c457b8SThomas Renninger closedir(sys_dir); 188620c457b8SThomas Renninger return 1; 188720c457b8SThomas Renninger } 188820c457b8SThomas Renninger } 188920c457b8SThomas Renninger closedir(evt_dir); 189020c457b8SThomas Renninger } 189120c457b8SThomas Renninger closedir(sys_dir); 189220c457b8SThomas Renninger return 0; 189320c457b8SThomas Renninger } 189420c457b8SThomas Renninger 1895b41f1cecSNamhyung Kim static bool is_event_supported(u8 type, unsigned config) 1896b41f1cecSNamhyung Kim { 1897b41f1cecSNamhyung Kim bool ret = true; 189888fee52eSVince Weaver int open_return; 1899b41f1cecSNamhyung Kim struct perf_evsel *evsel; 1900b41f1cecSNamhyung Kim struct perf_event_attr attr = { 1901b41f1cecSNamhyung Kim .type = type, 1902b41f1cecSNamhyung Kim .config = config, 1903b41f1cecSNamhyung Kim .disabled = 1, 1904b41f1cecSNamhyung Kim }; 1905b41f1cecSNamhyung Kim struct { 1906b41f1cecSNamhyung Kim struct thread_map map; 1907b41f1cecSNamhyung Kim int threads[1]; 1908b41f1cecSNamhyung Kim } tmap = { 1909b41f1cecSNamhyung Kim .map.nr = 1, 1910b41f1cecSNamhyung Kim .threads = { 0 }, 1911b41f1cecSNamhyung Kim }; 1912b41f1cecSNamhyung Kim 1913ef503831SArnaldo Carvalho de Melo evsel = perf_evsel__new(&attr); 1914b41f1cecSNamhyung Kim if (evsel) { 191588fee52eSVince Weaver open_return = perf_evsel__open(evsel, NULL, &tmap.map); 191688fee52eSVince Weaver ret = open_return >= 0; 191788fee52eSVince Weaver 191888fee52eSVince Weaver if (open_return == -EACCES) { 191988fee52eSVince Weaver /* 192088fee52eSVince Weaver * This happens if the paranoid value 192188fee52eSVince Weaver * /proc/sys/kernel/perf_event_paranoid is set to 2 192288fee52eSVince Weaver * Re-run with exclude_kernel set; we don't do that 192388fee52eSVince Weaver * by default as some ARM machines do not support it. 192488fee52eSVince Weaver * 192588fee52eSVince Weaver */ 192688fee52eSVince Weaver evsel->attr.exclude_kernel = 1; 1927b41f1cecSNamhyung Kim ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; 192888fee52eSVince Weaver } 1929b41f1cecSNamhyung Kim perf_evsel__delete(evsel); 1930b41f1cecSNamhyung Kim } 1931b41f1cecSNamhyung Kim 1932b41f1cecSNamhyung Kim return ret; 1933b41f1cecSNamhyung Kim } 1934b41f1cecSNamhyung Kim 1935a3277d2dSFrederic Weisbecker int print_hwcache_events(const char *event_glob, bool name_only) 1936668b8788SArnaldo Carvalho de Melo { 1937ab0e4800SYunlong Song unsigned int type, op, i, evt_i = 0, evt_num = 0; 19380b668bc9SArnaldo Carvalho de Melo char name[64]; 1939ab0e4800SYunlong Song char **evt_list = NULL; 1940ab0e4800SYunlong Song bool evt_num_known = false; 1941ab0e4800SYunlong Song 1942ab0e4800SYunlong Song restart: 1943ab0e4800SYunlong Song if (evt_num_known) { 1944ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 1945ab0e4800SYunlong Song if (!evt_list) 1946ab0e4800SYunlong Song goto out_enomem; 1947ab0e4800SYunlong Song } 1948668b8788SArnaldo Carvalho de Melo 1949668b8788SArnaldo Carvalho de Melo for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { 1950668b8788SArnaldo Carvalho de Melo for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { 1951668b8788SArnaldo Carvalho de Melo /* skip invalid cache type */ 19520b668bc9SArnaldo Carvalho de Melo if (!perf_evsel__is_cache_op_valid(type, op)) 1953668b8788SArnaldo Carvalho de Melo continue; 1954668b8788SArnaldo Carvalho de Melo 1955668b8788SArnaldo Carvalho de Melo for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { 19560b668bc9SArnaldo Carvalho de Melo __perf_evsel__hw_cache_type_op_res_name(type, op, i, 19570b668bc9SArnaldo Carvalho de Melo name, sizeof(name)); 1958947b4ad1SIngo Molnar if (event_glob != NULL && !strglobmatch(name, event_glob)) 1959668b8788SArnaldo Carvalho de Melo continue; 1960668b8788SArnaldo Carvalho de Melo 1961b41f1cecSNamhyung Kim if (!is_event_supported(PERF_TYPE_HW_CACHE, 1962b41f1cecSNamhyung Kim type | (op << 8) | (i << 16))) 1963b41f1cecSNamhyung Kim continue; 1964b41f1cecSNamhyung Kim 1965ab0e4800SYunlong Song if (!evt_num_known) { 1966ab0e4800SYunlong Song evt_num++; 1967ab0e4800SYunlong Song continue; 1968ab0e4800SYunlong Song } 1969ab0e4800SYunlong Song 1970ab0e4800SYunlong Song evt_list[evt_i] = strdup(name); 1971ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 1972ab0e4800SYunlong Song goto out_enomem; 1973ab0e4800SYunlong Song evt_i++; 1974668b8788SArnaldo Carvalho de Melo } 1975668b8788SArnaldo Carvalho de Melo } 1976668b8788SArnaldo Carvalho de Melo } 1977668b8788SArnaldo Carvalho de Melo 1978ab0e4800SYunlong Song if (!evt_num_known) { 1979ab0e4800SYunlong Song evt_num_known = true; 1980ab0e4800SYunlong Song goto restart; 1981ab0e4800SYunlong Song } 1982ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 1983ab0e4800SYunlong Song evt_i = 0; 1984ab0e4800SYunlong Song while (evt_i < evt_num) { 1985ab0e4800SYunlong Song if (name_only) { 1986ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 1987ab0e4800SYunlong Song continue; 1988ab0e4800SYunlong Song } 1989ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], 1990ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_HW_CACHE]); 1991ab0e4800SYunlong Song } 1992dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 1993dc098b35SAndi Kleen printf("\n"); 1994ab0e4800SYunlong Song 1995ab0e4800SYunlong Song out_free: 1996ab0e4800SYunlong Song evt_num = evt_i; 1997ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 1998ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 1999ab0e4800SYunlong Song zfree(&evt_list); 2000ab0e4800SYunlong Song return evt_num; 2001ab0e4800SYunlong Song 2002ab0e4800SYunlong Song out_enomem: 2003ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); 2004ab0e4800SYunlong Song if (evt_list) 2005ab0e4800SYunlong Song goto out_free; 2006ab0e4800SYunlong Song return evt_num; 2007668b8788SArnaldo Carvalho de Melo } 2008668b8788SArnaldo Carvalho de Melo 2009705750f2SYunlong Song void print_symbol_events(const char *event_glob, unsigned type, 2010a3277d2dSFrederic Weisbecker struct event_symbol *syms, unsigned max, 2011a3277d2dSFrederic Weisbecker bool name_only) 201286470930SIngo Molnar { 2013ab0e4800SYunlong Song unsigned int i, evt_i = 0, evt_num = 0; 2014947b4ad1SIngo Molnar char name[MAX_NAME_LEN]; 2015ab0e4800SYunlong Song char **evt_list = NULL; 2016ab0e4800SYunlong Song bool evt_num_known = false; 2017ab0e4800SYunlong Song 2018ab0e4800SYunlong Song restart: 2019ab0e4800SYunlong Song if (evt_num_known) { 2020ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 2021ab0e4800SYunlong Song if (!evt_list) 2022ab0e4800SYunlong Song goto out_enomem; 2023ab0e4800SYunlong Song syms -= max; 2024ab0e4800SYunlong Song } 202586470930SIngo Molnar 20261dc12760SJiri Olsa for (i = 0; i < max; i++, syms++) { 2027668b8788SArnaldo Carvalho de Melo 2028e37df6c7SArnaldo Carvalho de Melo if (event_glob != NULL && syms->symbol != NULL && 2029668b8788SArnaldo Carvalho de Melo !(strglobmatch(syms->symbol, event_glob) || 2030668b8788SArnaldo Carvalho de Melo (syms->alias && strglobmatch(syms->alias, event_glob)))) 2031668b8788SArnaldo Carvalho de Melo continue; 203286470930SIngo Molnar 2033b41f1cecSNamhyung Kim if (!is_event_supported(type, i)) 2034b41f1cecSNamhyung Kim continue; 2035b41f1cecSNamhyung Kim 2036ab0e4800SYunlong Song if (!evt_num_known) { 2037ab0e4800SYunlong Song evt_num++; 2038a3277d2dSFrederic Weisbecker continue; 2039a3277d2dSFrederic Weisbecker } 2040a3277d2dSFrederic Weisbecker 2041ab0e4800SYunlong Song if (!name_only && strlen(syms->alias)) 2042947b4ad1SIngo Molnar snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); 204374d5b588SJaswinder Singh Rajput else 2044947b4ad1SIngo Molnar strncpy(name, syms->symbol, MAX_NAME_LEN); 204586470930SIngo Molnar 2046ab0e4800SYunlong Song evt_list[evt_i] = strdup(name); 2047ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 2048ab0e4800SYunlong Song goto out_enomem; 2049ab0e4800SYunlong Song evt_i++; 205086470930SIngo Molnar } 205186470930SIngo Molnar 2052ab0e4800SYunlong Song if (!evt_num_known) { 2053ab0e4800SYunlong Song evt_num_known = true; 2054ab0e4800SYunlong Song goto restart; 2055ab0e4800SYunlong Song } 2056ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 2057ab0e4800SYunlong Song evt_i = 0; 2058ab0e4800SYunlong Song while (evt_i < evt_num) { 2059ab0e4800SYunlong Song if (name_only) { 2060ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 2061ab0e4800SYunlong Song continue; 2062ab0e4800SYunlong Song } 2063ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]); 2064ab0e4800SYunlong Song } 2065dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 2066689d3018SMarti Raudsepp printf("\n"); 2067ab0e4800SYunlong Song 2068ab0e4800SYunlong Song out_free: 2069ab0e4800SYunlong Song evt_num = evt_i; 2070ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 2071ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 2072ab0e4800SYunlong Song zfree(&evt_list); 2073ab0e4800SYunlong Song return; 2074ab0e4800SYunlong Song 2075ab0e4800SYunlong Song out_enomem: 2076ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); 2077ab0e4800SYunlong Song if (evt_list) 2078ab0e4800SYunlong Song goto out_free; 2079668b8788SArnaldo Carvalho de Melo } 20801dc12760SJiri Olsa 20811dc12760SJiri Olsa /* 20821dc12760SJiri Olsa * Print the help text for the event symbols: 20831dc12760SJiri Olsa */ 2084a3277d2dSFrederic Weisbecker void print_events(const char *event_glob, bool name_only) 20851dc12760SJiri Olsa { 20861dc12760SJiri Olsa print_symbol_events(event_glob, PERF_TYPE_HARDWARE, 2087a3277d2dSFrederic Weisbecker event_symbols_hw, PERF_COUNT_HW_MAX, name_only); 20881dc12760SJiri Olsa 20891dc12760SJiri Olsa print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, 2090a3277d2dSFrederic Weisbecker event_symbols_sw, PERF_COUNT_SW_MAX, name_only); 20911dc12760SJiri Olsa 2092a3277d2dSFrederic Weisbecker print_hwcache_events(event_glob, name_only); 209373c24cb8SJaswinder Singh Rajput 2094dc098b35SAndi Kleen print_pmu_events(event_glob, name_only); 2095dc098b35SAndi Kleen 2096668b8788SArnaldo Carvalho de Melo if (event_glob != NULL) 2097668b8788SArnaldo Carvalho de Melo return; 209873c24cb8SJaswinder Singh Rajput 2099a3277d2dSFrederic Weisbecker if (!name_only) { 2100947b4ad1SIngo Molnar printf(" %-50s [%s]\n", 21015f537a26SJiri Olsa "rNNN", 21021cf4a063SArnaldo Carvalho de Melo event_type_descriptors[PERF_TYPE_RAW]); 21035f537a26SJiri Olsa printf(" %-50s [%s]\n", 21045f537a26SJiri Olsa "cpu/t1=v1[,t2=v2,t3 ...]/modifier", 21055f537a26SJiri Olsa event_type_descriptors[PERF_TYPE_RAW]); 2106dfc431cbSArnaldo Carvalho de Melo if (pager_in_use()) 2107dfc431cbSArnaldo Carvalho de Melo printf(" (see 'man perf-list' on how to encode it)\n\n"); 210886470930SIngo Molnar 2109947b4ad1SIngo Molnar printf(" %-50s [%s]\n", 21103741eb9fSJacob Shin "mem:<addr>[/len][:access]", 211141bdcb23SLiming Wang event_type_descriptors[PERF_TYPE_BREAKPOINT]); 2112dfc431cbSArnaldo Carvalho de Melo if (pager_in_use()) 21131b290d67SFrederic Weisbecker printf("\n"); 2114a3277d2dSFrederic Weisbecker } 21151b290d67SFrederic Weisbecker 2116a3277d2dSFrederic Weisbecker print_tracepoint_events(NULL, NULL, name_only); 211786470930SIngo Molnar } 21188f707d84SJiri Olsa 21196cee6cd3SArnaldo Carvalho de Melo int parse_events__is_hardcoded_term(struct parse_events_term *term) 21208f707d84SJiri Olsa { 212116fa7e82SJiri Olsa return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; 21228f707d84SJiri Olsa } 21238f707d84SJiri Olsa 21246cee6cd3SArnaldo Carvalho de Melo static int new_term(struct parse_events_term **_term, int type_val, 212516fa7e82SJiri Olsa int type_term, char *config, 2126cecf3a2eSJiri Olsa char *str, u64 num, int err_term, int err_val) 21278f707d84SJiri Olsa { 21286cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term; 21298f707d84SJiri Olsa 21308f707d84SJiri Olsa term = zalloc(sizeof(*term)); 21318f707d84SJiri Olsa if (!term) 21328f707d84SJiri Olsa return -ENOMEM; 21338f707d84SJiri Olsa 21348f707d84SJiri Olsa INIT_LIST_HEAD(&term->list); 213516fa7e82SJiri Olsa term->type_val = type_val; 213616fa7e82SJiri Olsa term->type_term = type_term; 21378f707d84SJiri Olsa term->config = config; 2138cecf3a2eSJiri Olsa term->err_term = err_term; 2139cecf3a2eSJiri Olsa term->err_val = err_val; 21408f707d84SJiri Olsa 214116fa7e82SJiri Olsa switch (type_val) { 21428f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_NUM: 21438f707d84SJiri Olsa term->val.num = num; 21448f707d84SJiri Olsa break; 21458f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_STR: 21468f707d84SJiri Olsa term->val.str = str; 21478f707d84SJiri Olsa break; 21488f707d84SJiri Olsa default: 21494be8be6bSAdrian Hunter free(term); 21508f707d84SJiri Olsa return -EINVAL; 21518f707d84SJiri Olsa } 21528f707d84SJiri Olsa 21538f707d84SJiri Olsa *_term = term; 21548f707d84SJiri Olsa return 0; 21558f707d84SJiri Olsa } 21568f707d84SJiri Olsa 21576cee6cd3SArnaldo Carvalho de Melo int parse_events_term__num(struct parse_events_term **term, 2158cecf3a2eSJiri Olsa int type_term, char *config, u64 num, 2159bb78ce7dSAdrian Hunter void *loc_term_, void *loc_val_) 216016fa7e82SJiri Olsa { 2161bb78ce7dSAdrian Hunter YYLTYPE *loc_term = loc_term_; 2162bb78ce7dSAdrian Hunter YYLTYPE *loc_val = loc_val_; 2163bb78ce7dSAdrian Hunter 216416fa7e82SJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, 2165cecf3a2eSJiri Olsa config, NULL, num, 2166cecf3a2eSJiri Olsa loc_term ? loc_term->first_column : 0, 2167cecf3a2eSJiri Olsa loc_val ? loc_val->first_column : 0); 216816fa7e82SJiri Olsa } 216916fa7e82SJiri Olsa 21706cee6cd3SArnaldo Carvalho de Melo int parse_events_term__str(struct parse_events_term **term, 2171cecf3a2eSJiri Olsa int type_term, char *config, char *str, 2172bb78ce7dSAdrian Hunter void *loc_term_, void *loc_val_) 217316fa7e82SJiri Olsa { 2174bb78ce7dSAdrian Hunter YYLTYPE *loc_term = loc_term_; 2175bb78ce7dSAdrian Hunter YYLTYPE *loc_val = loc_val_; 2176bb78ce7dSAdrian Hunter 217716fa7e82SJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, 2178cecf3a2eSJiri Olsa config, str, 0, 2179cecf3a2eSJiri Olsa loc_term ? loc_term->first_column : 0, 2180cecf3a2eSJiri Olsa loc_val ? loc_val->first_column : 0); 218116fa7e82SJiri Olsa } 218216fa7e82SJiri Olsa 21836cee6cd3SArnaldo Carvalho de Melo int parse_events_term__sym_hw(struct parse_events_term **term, 21841d33d6dcSJiri Olsa char *config, unsigned idx) 21851d33d6dcSJiri Olsa { 21861d33d6dcSJiri Olsa struct event_symbol *sym; 21871d33d6dcSJiri Olsa 21881d33d6dcSJiri Olsa BUG_ON(idx >= PERF_COUNT_HW_MAX); 21891d33d6dcSJiri Olsa sym = &event_symbols_hw[idx]; 21901d33d6dcSJiri Olsa 21911d33d6dcSJiri Olsa if (config) 21921d33d6dcSJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, 21931d33d6dcSJiri Olsa PARSE_EVENTS__TERM_TYPE_USER, config, 2194cecf3a2eSJiri Olsa (char *) sym->symbol, 0, 0, 0); 21951d33d6dcSJiri Olsa else 21961d33d6dcSJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, 21971d33d6dcSJiri Olsa PARSE_EVENTS__TERM_TYPE_USER, 2198cecf3a2eSJiri Olsa (char *) "event", (char *) sym->symbol, 2199cecf3a2eSJiri Olsa 0, 0, 0); 22001d33d6dcSJiri Olsa } 22011d33d6dcSJiri Olsa 22026cee6cd3SArnaldo Carvalho de Melo int parse_events_term__clone(struct parse_events_term **new, 22036cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term) 2204a6146d50SZheng Yan { 2205a6146d50SZheng Yan return new_term(new, term->type_val, term->type_term, term->config, 2206cecf3a2eSJiri Olsa term->val.str, term->val.num, 2207cecf3a2eSJiri Olsa term->err_term, term->err_val); 2208a6146d50SZheng Yan } 2209a6146d50SZheng Yan 2210fc0a2c1dSArnaldo Carvalho de Melo void parse_events_terms__purge(struct list_head *terms) 22118f707d84SJiri Olsa { 22126cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term, *h; 22138f707d84SJiri Olsa 2214a8adfcebSWang Nan list_for_each_entry_safe(term, h, terms, list) { 22152d055bf2SWang Nan if (term->array.nr_ranges) 22162d055bf2SWang Nan free(term->array.ranges); 2217a8adfcebSWang Nan list_del_init(&term->list); 22188f707d84SJiri Olsa free(term); 22198f707d84SJiri Olsa } 2220a8adfcebSWang Nan } 2221b39b8393SJiri Olsa 22222146afc6SArnaldo Carvalho de Melo void parse_events_terms__delete(struct list_head *terms) 2223fc0a2c1dSArnaldo Carvalho de Melo { 22242146afc6SArnaldo Carvalho de Melo if (!terms) 22252146afc6SArnaldo Carvalho de Melo return; 2226fc0a2c1dSArnaldo Carvalho de Melo parse_events_terms__purge(terms); 2227d20a5f2bSWang Nan free(terms); 2228fc0a2c1dSArnaldo Carvalho de Melo } 2229fc0a2c1dSArnaldo Carvalho de Melo 22302d055bf2SWang Nan void parse_events__clear_array(struct parse_events_array *a) 22312d055bf2SWang Nan { 22322d055bf2SWang Nan free(a->ranges); 22332d055bf2SWang Nan } 22342d055bf2SWang Nan 2235b39b8393SJiri Olsa void parse_events_evlist_error(struct parse_events_evlist *data, 2236b39b8393SJiri Olsa int idx, const char *str) 2237b39b8393SJiri Olsa { 2238b39b8393SJiri Olsa struct parse_events_error *err = data->error; 2239b39b8393SJiri Olsa 2240a6ced2beSAdrian Hunter if (!err) 2241a6ced2beSAdrian Hunter return; 2242b39b8393SJiri Olsa err->idx = idx; 2243b39b8393SJiri Olsa err->str = strdup(str); 2244b39b8393SJiri Olsa WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); 2245b39b8393SJiri Olsa } 2246ffeb883eSHe Kuang 224717cb5f84SWang Nan static void config_terms_list(char *buf, size_t buf_sz) 224817cb5f84SWang Nan { 224917cb5f84SWang Nan int i; 225017cb5f84SWang Nan bool first = true; 225117cb5f84SWang Nan 225217cb5f84SWang Nan buf[0] = '\0'; 225317cb5f84SWang Nan for (i = 0; i < __PARSE_EVENTS__TERM_TYPE_NR; i++) { 225417cb5f84SWang Nan const char *name = config_term_names[i]; 225517cb5f84SWang Nan 22561669e509SWang Nan if (!config_term_avail(i, NULL)) 22571669e509SWang Nan continue; 225817cb5f84SWang Nan if (!name) 225917cb5f84SWang Nan continue; 226017cb5f84SWang Nan if (name[0] == '<') 226117cb5f84SWang Nan continue; 226217cb5f84SWang Nan 226317cb5f84SWang Nan if (strlen(buf) + strlen(name) + 2 >= buf_sz) 226417cb5f84SWang Nan return; 226517cb5f84SWang Nan 226617cb5f84SWang Nan if (!first) 226717cb5f84SWang Nan strcat(buf, ","); 226817cb5f84SWang Nan else 226917cb5f84SWang Nan first = false; 227017cb5f84SWang Nan strcat(buf, name); 227117cb5f84SWang Nan } 227217cb5f84SWang Nan } 227317cb5f84SWang Nan 2274ffeb883eSHe Kuang /* 2275ffeb883eSHe Kuang * Return string contains valid config terms of an event. 2276ffeb883eSHe Kuang * @additional_terms: For terms such as PMU sysfs terms. 2277ffeb883eSHe Kuang */ 2278ffeb883eSHe Kuang char *parse_events_formats_error_string(char *additional_terms) 2279ffeb883eSHe Kuang { 2280ffeb883eSHe Kuang char *str; 228117cb5f84SWang Nan /* "branch_type" is the longest name */ 228217cb5f84SWang Nan char static_terms[__PARSE_EVENTS__TERM_TYPE_NR * 228317cb5f84SWang Nan (sizeof("branch_type") - 1)]; 2284ffeb883eSHe Kuang 228517cb5f84SWang Nan config_terms_list(static_terms, sizeof(static_terms)); 2286ffeb883eSHe Kuang /* valid terms */ 2287ffeb883eSHe Kuang if (additional_terms) { 228826dee028SWang Nan if (asprintf(&str, "valid terms: %s,%s", 228926dee028SWang Nan additional_terms, static_terms) < 0) 2290ffeb883eSHe Kuang goto fail; 2291ffeb883eSHe Kuang } else { 229226dee028SWang Nan if (asprintf(&str, "valid terms: %s", static_terms) < 0) 2293ffeb883eSHe Kuang goto fail; 2294ffeb883eSHe Kuang } 2295ffeb883eSHe Kuang return str; 2296ffeb883eSHe Kuang 2297ffeb883eSHe Kuang fail: 2298ffeb883eSHe Kuang return NULL; 2299ffeb883eSHe Kuang } 2300