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 282*e814fdddSWang Nan static int parse_events__is_name_term(struct parse_events_term *term) 283*e814fdddSWang Nan { 284*e814fdddSWang Nan return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; 285*e814fdddSWang Nan } 2867ae92e74SYan, Zheng 287*e814fdddSWang Nan static char *get_config_name(struct list_head *head_terms) 288*e814fdddSWang Nan { 289*e814fdddSWang Nan struct parse_events_term *term; 290*e814fdddSWang Nan 291*e814fdddSWang Nan if (!head_terms) 292*e814fdddSWang Nan return NULL; 293*e814fdddSWang Nan 294*e814fdddSWang Nan list_for_each_entry(term, head_terms, list) 295*e814fdddSWang Nan if (parse_events__is_name_term(term)) 296*e814fdddSWang Nan return term->val.str; 297*e814fdddSWang Nan 298*e814fdddSWang Nan return NULL; 299*e814fdddSWang 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 353c5cd8ac0SDavid Ahern int parse_events_add_cache(struct list_head *list, int *idx, 35489812fc8SJiri Olsa char *type, char *op_result1, char *op_result2) 35586470930SIngo Molnar { 35689812fc8SJiri Olsa struct perf_event_attr attr; 35789812fc8SJiri Olsa char name[MAX_NAME_LEN]; 35861c45981SPaul Mackerras int cache_type = -1, cache_op = -1, cache_result = -1; 35989812fc8SJiri Olsa char *op_result[2] = { op_result1, op_result2 }; 36089812fc8SJiri Olsa int i, n; 36186470930SIngo Molnar 36286470930SIngo Molnar /* 36386470930SIngo Molnar * No fallback - if we cannot get a clear cache type 36486470930SIngo Molnar * then bail out: 36586470930SIngo Molnar */ 3660b668bc9SArnaldo Carvalho de Melo cache_type = parse_aliases(type, perf_evsel__hw_cache, 36789812fc8SJiri Olsa PERF_COUNT_HW_CACHE_MAX); 36886470930SIngo Molnar if (cache_type == -1) 36989812fc8SJiri Olsa return -EINVAL; 37086470930SIngo Molnar 37189812fc8SJiri Olsa n = snprintf(name, MAX_NAME_LEN, "%s", type); 37289812fc8SJiri Olsa 37389812fc8SJiri Olsa for (i = 0; (i < 2) && (op_result[i]); i++) { 37489812fc8SJiri Olsa char *str = op_result[i]; 37589812fc8SJiri Olsa 376275ef387SJiri Olsa n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); 37761c45981SPaul Mackerras 37861c45981SPaul Mackerras if (cache_op == -1) { 3790b668bc9SArnaldo Carvalho de Melo cache_op = parse_aliases(str, perf_evsel__hw_cache_op, 38061c45981SPaul Mackerras PERF_COUNT_HW_CACHE_OP_MAX); 38161c45981SPaul Mackerras if (cache_op >= 0) { 3820b668bc9SArnaldo Carvalho de Melo if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) 38389812fc8SJiri Olsa return -EINVAL; 38461c45981SPaul Mackerras continue; 38561c45981SPaul Mackerras } 38661c45981SPaul Mackerras } 38761c45981SPaul Mackerras 38861c45981SPaul Mackerras if (cache_result == -1) { 3890b668bc9SArnaldo Carvalho de Melo cache_result = parse_aliases(str, perf_evsel__hw_cache_result, 39061c45981SPaul Mackerras PERF_COUNT_HW_CACHE_RESULT_MAX); 39161c45981SPaul Mackerras if (cache_result >= 0) 39261c45981SPaul Mackerras continue; 39361c45981SPaul Mackerras } 39461c45981SPaul Mackerras } 39561c45981SPaul Mackerras 39686470930SIngo Molnar /* 39786470930SIngo Molnar * Fall back to reads: 39886470930SIngo Molnar */ 3998953645fSIngo Molnar if (cache_op == -1) 4008953645fSIngo Molnar cache_op = PERF_COUNT_HW_CACHE_OP_READ; 40186470930SIngo Molnar 40286470930SIngo Molnar /* 40386470930SIngo Molnar * Fall back to accesses: 40486470930SIngo Molnar */ 40586470930SIngo Molnar if (cache_result == -1) 40686470930SIngo Molnar cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; 40786470930SIngo Molnar 40889812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 40989812fc8SJiri Olsa attr.config = cache_type | (cache_op << 8) | (cache_result << 16); 41089812fc8SJiri Olsa attr.type = PERF_TYPE_HW_CACHE; 411930a2e29SJiri Olsa return add_event(list, idx, &attr, name, NULL); 41286470930SIngo Molnar } 41386470930SIngo Molnar 414272ed29aSJiri Olsa static void tracepoint_error(struct parse_events_error *e, int err, 41519658171SJiri Olsa char *sys, char *name) 41619658171SJiri Olsa { 41719658171SJiri Olsa char help[BUFSIZ]; 41819658171SJiri Olsa 419ec183d22SAdrian Hunter if (!e) 420ec183d22SAdrian Hunter return; 421ec183d22SAdrian Hunter 42219658171SJiri Olsa /* 42319658171SJiri Olsa * We get error directly from syscall errno ( > 0), 42419658171SJiri Olsa * or from encoded pointer's error ( < 0). 42519658171SJiri Olsa */ 42619658171SJiri Olsa err = abs(err); 42719658171SJiri Olsa 42819658171SJiri Olsa switch (err) { 42919658171SJiri Olsa case EACCES: 430272ed29aSJiri Olsa e->str = strdup("can't access trace events"); 43119658171SJiri Olsa break; 43219658171SJiri Olsa case ENOENT: 433272ed29aSJiri Olsa e->str = strdup("unknown tracepoint"); 43419658171SJiri Olsa break; 43519658171SJiri Olsa default: 436272ed29aSJiri Olsa e->str = strdup("failed to add tracepoint"); 43719658171SJiri Olsa break; 43819658171SJiri Olsa } 43919658171SJiri Olsa 44019658171SJiri Olsa tracing_path__strerror_open_tp(err, help, sizeof(help), sys, name); 441272ed29aSJiri Olsa e->help = strdup(help); 44219658171SJiri Olsa } 44319658171SJiri Olsa 444c5cd8ac0SDavid Ahern static int add_tracepoint(struct list_head *list, int *idx, 445e2f9f8eaSJiri Olsa char *sys_name, char *evt_name, 446272ed29aSJiri Olsa struct parse_events_error *err, 447e637d177SHe Kuang struct list_head *head_config) 448bcd3279fSFrederic Weisbecker { 44982fe1c29SArnaldo Carvalho de Melo struct perf_evsel *evsel; 450bcd3279fSFrederic Weisbecker 451ef503831SArnaldo Carvalho de Melo evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); 45219658171SJiri Olsa if (IS_ERR(evsel)) { 453272ed29aSJiri Olsa tracepoint_error(err, PTR_ERR(evsel), sys_name, evt_name); 4548dd2a131SJiri Olsa return PTR_ERR(evsel); 45519658171SJiri Olsa } 456bcd3279fSFrederic Weisbecker 457e637d177SHe Kuang if (head_config) { 458e637d177SHe Kuang LIST_HEAD(config_terms); 459e637d177SHe Kuang 460e637d177SHe Kuang if (get_config_terms(head_config, &config_terms)) 461e637d177SHe Kuang return -ENOMEM; 462e637d177SHe Kuang list_splice(&config_terms, &evsel->config_terms); 463e637d177SHe Kuang } 464e637d177SHe Kuang 46582fe1c29SArnaldo Carvalho de Melo list_add_tail(&evsel->node, list); 46682fe1c29SArnaldo Carvalho de Melo return 0; 467bcd3279fSFrederic Weisbecker } 468bcd3279fSFrederic Weisbecker 469c5cd8ac0SDavid Ahern static int add_tracepoint_multi_event(struct list_head *list, int *idx, 470e2f9f8eaSJiri Olsa char *sys_name, char *evt_name, 471272ed29aSJiri Olsa struct parse_events_error *err, 472e637d177SHe Kuang struct list_head *head_config) 473bcd3279fSFrederic Weisbecker { 474bcd3279fSFrederic Weisbecker char evt_path[MAXPATHLEN]; 475bcd3279fSFrederic Weisbecker struct dirent *evt_ent; 476bcd3279fSFrederic Weisbecker DIR *evt_dir; 47727bf90bfSJiri Olsa int ret = 0, found = 0; 478bcd3279fSFrederic Weisbecker 479ebf294bfSArnaldo Carvalho de Melo snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); 480bcd3279fSFrederic Weisbecker evt_dir = opendir(evt_path); 481bcd3279fSFrederic Weisbecker if (!evt_dir) { 482272ed29aSJiri Olsa tracepoint_error(err, errno, sys_name, evt_name); 48389812fc8SJiri Olsa return -1; 484bcd3279fSFrederic Weisbecker } 485bcd3279fSFrederic Weisbecker 48689812fc8SJiri Olsa while (!ret && (evt_ent = readdir(evt_dir))) { 487bcd3279fSFrederic Weisbecker if (!strcmp(evt_ent->d_name, ".") 488bcd3279fSFrederic Weisbecker || !strcmp(evt_ent->d_name, "..") 489bcd3279fSFrederic Weisbecker || !strcmp(evt_ent->d_name, "enable") 490bcd3279fSFrederic Weisbecker || !strcmp(evt_ent->d_name, "filter")) 491bcd3279fSFrederic Weisbecker continue; 492bcd3279fSFrederic Weisbecker 49389812fc8SJiri Olsa if (!strglobmatch(evt_ent->d_name, evt_name)) 494fb1d2edfSMasami Hiramatsu continue; 495fb1d2edfSMasami Hiramatsu 49627bf90bfSJiri Olsa found++; 49727bf90bfSJiri Olsa 498e637d177SHe Kuang ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name, 499272ed29aSJiri Olsa err, head_config); 500bcd3279fSFrederic Weisbecker } 501bcd3279fSFrederic Weisbecker 50227bf90bfSJiri Olsa if (!found) { 50327bf90bfSJiri Olsa tracepoint_error(err, ENOENT, sys_name, evt_name); 50427bf90bfSJiri Olsa ret = -1; 50527bf90bfSJiri Olsa } 50627bf90bfSJiri Olsa 5070bd3f084SJiri Olsa closedir(evt_dir); 50889812fc8SJiri Olsa return ret; 509bcd3279fSFrederic Weisbecker } 510bcd3279fSFrederic Weisbecker 511c5cd8ac0SDavid Ahern static int add_tracepoint_event(struct list_head *list, int *idx, 512e2f9f8eaSJiri Olsa char *sys_name, char *evt_name, 513272ed29aSJiri Olsa struct parse_events_error *err, 514e637d177SHe Kuang struct list_head *head_config) 515f35488f9SJiri Olsa { 516f35488f9SJiri Olsa return strpbrk(evt_name, "*?") ? 517e637d177SHe Kuang add_tracepoint_multi_event(list, idx, sys_name, evt_name, 518272ed29aSJiri Olsa err, head_config) : 519e637d177SHe Kuang add_tracepoint(list, idx, sys_name, evt_name, 520272ed29aSJiri Olsa err, head_config); 521f35488f9SJiri Olsa } 522f35488f9SJiri Olsa 523c5cd8ac0SDavid Ahern static int add_tracepoint_multi_sys(struct list_head *list, int *idx, 524e2f9f8eaSJiri Olsa char *sys_name, char *evt_name, 525272ed29aSJiri Olsa struct parse_events_error *err, 526e637d177SHe Kuang struct list_head *head_config) 527f35488f9SJiri Olsa { 528f35488f9SJiri Olsa struct dirent *events_ent; 529f35488f9SJiri Olsa DIR *events_dir; 530f35488f9SJiri Olsa int ret = 0; 531f35488f9SJiri Olsa 532f35488f9SJiri Olsa events_dir = opendir(tracing_events_path); 533f35488f9SJiri Olsa if (!events_dir) { 534272ed29aSJiri Olsa tracepoint_error(err, errno, sys_name, evt_name); 535f35488f9SJiri Olsa return -1; 536f35488f9SJiri Olsa } 537f35488f9SJiri Olsa 538f35488f9SJiri Olsa while (!ret && (events_ent = readdir(events_dir))) { 539f35488f9SJiri Olsa if (!strcmp(events_ent->d_name, ".") 540f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "..") 541f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "enable") 542f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "header_event") 543f35488f9SJiri Olsa || !strcmp(events_ent->d_name, "header_page")) 544f35488f9SJiri Olsa continue; 545f35488f9SJiri Olsa 546f35488f9SJiri Olsa if (!strglobmatch(events_ent->d_name, sys_name)) 547f35488f9SJiri Olsa continue; 548f35488f9SJiri Olsa 549f35488f9SJiri Olsa ret = add_tracepoint_event(list, idx, events_ent->d_name, 550272ed29aSJiri Olsa evt_name, err, head_config); 551f35488f9SJiri Olsa } 552f35488f9SJiri Olsa 553f35488f9SJiri Olsa closedir(events_dir); 554f35488f9SJiri Olsa return ret; 555f35488f9SJiri Olsa } 556f35488f9SJiri Olsa 5574edf30e3SWang Nan struct __add_bpf_event_param { 5584edf30e3SWang Nan struct parse_events_evlist *data; 5594edf30e3SWang Nan struct list_head *list; 5604edf30e3SWang Nan }; 5614edf30e3SWang Nan 5624edf30e3SWang Nan static int add_bpf_event(struct probe_trace_event *tev, int fd, 5634edf30e3SWang Nan void *_param) 5644edf30e3SWang Nan { 5654edf30e3SWang Nan LIST_HEAD(new_evsels); 5664edf30e3SWang Nan struct __add_bpf_event_param *param = _param; 5674edf30e3SWang Nan struct parse_events_evlist *evlist = param->data; 5684edf30e3SWang Nan struct list_head *list = param->list; 5691f45b1d4SWang Nan struct perf_evsel *pos; 5704edf30e3SWang Nan int err; 5714edf30e3SWang Nan 5724edf30e3SWang Nan pr_debug("add bpf event %s:%s and attach bpf program %d\n", 5734edf30e3SWang Nan tev->group, tev->event, fd); 5744edf30e3SWang Nan 5754edf30e3SWang Nan err = parse_events_add_tracepoint(&new_evsels, &evlist->idx, tev->group, 5764edf30e3SWang Nan tev->event, evlist->error, NULL); 5774edf30e3SWang Nan if (err) { 5784edf30e3SWang Nan struct perf_evsel *evsel, *tmp; 5794edf30e3SWang Nan 5804edf30e3SWang Nan pr_debug("Failed to add BPF event %s:%s\n", 5814edf30e3SWang Nan tev->group, tev->event); 5824edf30e3SWang Nan list_for_each_entry_safe(evsel, tmp, &new_evsels, node) { 5834edf30e3SWang Nan list_del(&evsel->node); 5844edf30e3SWang Nan perf_evsel__delete(evsel); 5854edf30e3SWang Nan } 5864edf30e3SWang Nan return err; 5874edf30e3SWang Nan } 5884edf30e3SWang Nan pr_debug("adding %s:%s\n", tev->group, tev->event); 5894edf30e3SWang Nan 5901f45b1d4SWang Nan list_for_each_entry(pos, &new_evsels, node) { 5911f45b1d4SWang Nan pr_debug("adding %s:%s to %p\n", 5921f45b1d4SWang Nan tev->group, tev->event, pos); 5931f45b1d4SWang Nan pos->bpf_fd = fd; 5941f45b1d4SWang Nan } 5954edf30e3SWang Nan list_splice(&new_evsels, list); 5964edf30e3SWang Nan return 0; 5974edf30e3SWang Nan } 5984edf30e3SWang Nan 59984c86ca1SWang Nan int parse_events_load_bpf_obj(struct parse_events_evlist *data, 60084c86ca1SWang Nan struct list_head *list, 60184c86ca1SWang Nan struct bpf_object *obj) 60284c86ca1SWang Nan { 60384c86ca1SWang Nan int err; 60484c86ca1SWang Nan char errbuf[BUFSIZ]; 6054edf30e3SWang Nan struct __add_bpf_event_param param = {data, list}; 606aa3abf30SWang Nan static bool registered_unprobe_atexit = false; 60784c86ca1SWang Nan 60884c86ca1SWang Nan if (IS_ERR(obj) || !obj) { 60984c86ca1SWang Nan snprintf(errbuf, sizeof(errbuf), 61084c86ca1SWang Nan "Internal error: load bpf obj with NULL"); 61184c86ca1SWang Nan err = -EINVAL; 61284c86ca1SWang Nan goto errout; 61384c86ca1SWang Nan } 61484c86ca1SWang Nan 61584c86ca1SWang Nan /* 616aa3abf30SWang Nan * Register atexit handler before calling bpf__probe() so 617aa3abf30SWang Nan * bpf__probe() don't need to unprobe probe points its already 618aa3abf30SWang Nan * created when failure. 619aa3abf30SWang Nan */ 620aa3abf30SWang Nan if (!registered_unprobe_atexit) { 621aa3abf30SWang Nan atexit(bpf__clear); 622aa3abf30SWang Nan registered_unprobe_atexit = true; 623aa3abf30SWang Nan } 624aa3abf30SWang Nan 625aa3abf30SWang Nan err = bpf__probe(obj); 626aa3abf30SWang Nan if (err) { 627aa3abf30SWang Nan bpf__strerror_probe(obj, err, errbuf, sizeof(errbuf)); 628aa3abf30SWang Nan goto errout; 629aa3abf30SWang Nan } 630aa3abf30SWang Nan 6311e5e3ee8SWang Nan err = bpf__load(obj); 6321e5e3ee8SWang Nan if (err) { 6331e5e3ee8SWang Nan bpf__strerror_load(obj, err, errbuf, sizeof(errbuf)); 6341e5e3ee8SWang Nan goto errout; 6351e5e3ee8SWang Nan } 6361e5e3ee8SWang Nan 6374edf30e3SWang Nan err = bpf__foreach_tev(obj, add_bpf_event, ¶m); 6384edf30e3SWang Nan if (err) { 6394edf30e3SWang Nan snprintf(errbuf, sizeof(errbuf), 6404edf30e3SWang Nan "Attach events in BPF object failed"); 6414edf30e3SWang Nan goto errout; 6424edf30e3SWang Nan } 6434edf30e3SWang Nan 6444edf30e3SWang Nan return 0; 64584c86ca1SWang Nan errout: 64684c86ca1SWang Nan data->error->help = strdup("(add -v to see detail)"); 64784c86ca1SWang Nan data->error->str = strdup(errbuf); 64884c86ca1SWang Nan return err; 64984c86ca1SWang Nan } 65084c86ca1SWang Nan 65184c86ca1SWang Nan int parse_events_load_bpf(struct parse_events_evlist *data, 65284c86ca1SWang Nan struct list_head *list, 653d509db04SWang Nan char *bpf_file_name, 654d509db04SWang Nan bool source) 65584c86ca1SWang Nan { 65684c86ca1SWang Nan struct bpf_object *obj; 65784c86ca1SWang Nan 658d509db04SWang Nan obj = bpf__prepare_load(bpf_file_name, source); 6596371ca3bSWang Nan if (IS_ERR(obj)) { 66084c86ca1SWang Nan char errbuf[BUFSIZ]; 66184c86ca1SWang Nan int err; 66284c86ca1SWang Nan 6636371ca3bSWang Nan err = PTR_ERR(obj); 66484c86ca1SWang Nan 66584c86ca1SWang Nan if (err == -ENOTSUP) 66684c86ca1SWang Nan snprintf(errbuf, sizeof(errbuf), 66784c86ca1SWang Nan "BPF support is not compiled"); 66884c86ca1SWang Nan else 669d3e0ce39SWang Nan bpf__strerror_prepare_load(bpf_file_name, 670d3e0ce39SWang Nan source, 671d3e0ce39SWang Nan -err, errbuf, 672d3e0ce39SWang Nan sizeof(errbuf)); 67384c86ca1SWang Nan 67484c86ca1SWang Nan data->error->help = strdup("(add -v to see detail)"); 67584c86ca1SWang Nan data->error->str = strdup(errbuf); 67684c86ca1SWang Nan return err; 67784c86ca1SWang Nan } 67884c86ca1SWang Nan 67984c86ca1SWang Nan return parse_events_load_bpf_obj(data, list, obj); 68084c86ca1SWang Nan } 68184c86ca1SWang Nan 68289812fc8SJiri Olsa static int 68389812fc8SJiri Olsa parse_breakpoint_type(const char *type, struct perf_event_attr *attr) 6841b290d67SFrederic Weisbecker { 6851b290d67SFrederic Weisbecker int i; 6861b290d67SFrederic Weisbecker 6871b290d67SFrederic Weisbecker for (i = 0; i < 3; i++) { 68889812fc8SJiri Olsa if (!type || !type[i]) 6891b290d67SFrederic Weisbecker break; 6901b290d67SFrederic Weisbecker 6917582732fSJiri Olsa #define CHECK_SET_TYPE(bit) \ 6927582732fSJiri Olsa do { \ 6937582732fSJiri Olsa if (attr->bp_type & bit) \ 6947582732fSJiri Olsa return -EINVAL; \ 6957582732fSJiri Olsa else \ 6967582732fSJiri Olsa attr->bp_type |= bit; \ 6977582732fSJiri Olsa } while (0) 6987582732fSJiri Olsa 6991b290d67SFrederic Weisbecker switch (type[i]) { 7001b290d67SFrederic Weisbecker case 'r': 7017582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_R); 7021b290d67SFrederic Weisbecker break; 7031b290d67SFrederic Weisbecker case 'w': 7047582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_W); 7051b290d67SFrederic Weisbecker break; 7061b290d67SFrederic Weisbecker case 'x': 7077582732fSJiri Olsa CHECK_SET_TYPE(HW_BREAKPOINT_X); 7081b290d67SFrederic Weisbecker break; 7091b290d67SFrederic Weisbecker default: 71089812fc8SJiri Olsa return -EINVAL; 7111b290d67SFrederic Weisbecker } 7121b290d67SFrederic Weisbecker } 71389812fc8SJiri Olsa 7147582732fSJiri Olsa #undef CHECK_SET_TYPE 7157582732fSJiri Olsa 7161b290d67SFrederic Weisbecker if (!attr->bp_type) /* Default */ 7171b290d67SFrederic Weisbecker attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; 7181b290d67SFrederic Weisbecker 71989812fc8SJiri Olsa return 0; 7201b290d67SFrederic Weisbecker } 7211b290d67SFrederic Weisbecker 722c5cd8ac0SDavid Ahern int parse_events_add_breakpoint(struct list_head *list, int *idx, 7233741eb9fSJacob Shin void *ptr, char *type, u64 len) 7241b290d67SFrederic Weisbecker { 72589812fc8SJiri Olsa struct perf_event_attr attr; 7261b290d67SFrederic Weisbecker 72789812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 7289fafd98fSJiri Olsa attr.bp_addr = (unsigned long) ptr; 7291b290d67SFrederic Weisbecker 73089812fc8SJiri Olsa if (parse_breakpoint_type(type, &attr)) 73189812fc8SJiri Olsa return -EINVAL; 7321b290d67SFrederic Weisbecker 7333741eb9fSJacob Shin /* Provide some defaults if len is not specified */ 7343741eb9fSJacob Shin if (!len) { 73589812fc8SJiri Olsa if (attr.bp_type == HW_BREAKPOINT_X) 7363741eb9fSJacob Shin len = sizeof(long); 737aa59a485SFrederic Weisbecker else 7383741eb9fSJacob Shin len = HW_BREAKPOINT_LEN_4; 7393741eb9fSJacob Shin } 7403741eb9fSJacob Shin 7413741eb9fSJacob Shin attr.bp_len = len; 742aa59a485SFrederic Weisbecker 74389812fc8SJiri Olsa attr.type = PERF_TYPE_BREAKPOINT; 7444a841d65SJovi Zhang attr.sample_period = 1; 7451b290d67SFrederic Weisbecker 746930a2e29SJiri Olsa return add_event(list, idx, &attr, NULL, NULL); 7471b290d67SFrederic Weisbecker } 7481b290d67SFrederic Weisbecker 7493b0e371cSJiri Olsa static int check_type_val(struct parse_events_term *term, 7503b0e371cSJiri Olsa struct parse_events_error *err, 7513b0e371cSJiri Olsa int type) 7523b0e371cSJiri Olsa { 7533b0e371cSJiri Olsa if (type == term->type_val) 7543b0e371cSJiri Olsa return 0; 7553b0e371cSJiri Olsa 7563b0e371cSJiri Olsa if (err) { 7573b0e371cSJiri Olsa err->idx = term->err_val; 7583b0e371cSJiri Olsa if (type == PARSE_EVENTS__TERM_TYPE_NUM) 7593b0e371cSJiri Olsa err->str = strdup("expected numeric value"); 7603b0e371cSJiri Olsa else 7613b0e371cSJiri Olsa err->str = strdup("expected string value"); 7623b0e371cSJiri Olsa } 7633b0e371cSJiri Olsa return -EINVAL; 7643b0e371cSJiri Olsa } 7653b0e371cSJiri Olsa 76617cb5f84SWang Nan /* 76717cb5f84SWang Nan * Update according to parse-events.l 76817cb5f84SWang Nan */ 76917cb5f84SWang Nan static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = { 77017cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_USER] = "<sysfs term>", 77117cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG] = "config", 77217cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG1] = "config1", 77317cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CONFIG2] = "config2", 77417cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_NAME] = "name", 77517cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD] = "period", 77617cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ] = "freq", 77717cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE] = "branch_type", 77817cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_TIME] = "time", 77917cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_CALLGRAPH] = "call-graph", 78017cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_STACKSIZE] = "stack-size", 78117cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_NOINHERIT] = "no-inherit", 78217cb5f84SWang Nan [PARSE_EVENTS__TERM_TYPE_INHERIT] = "inherit", 78317cb5f84SWang Nan }; 78417cb5f84SWang Nan 7851669e509SWang Nan static bool config_term_shrinked; 7861669e509SWang Nan 7871669e509SWang Nan static bool 7881669e509SWang Nan config_term_avail(int term_type, struct parse_events_error *err) 7891669e509SWang Nan { 7901669e509SWang Nan if (term_type < 0 || term_type >= __PARSE_EVENTS__TERM_TYPE_NR) { 7911669e509SWang Nan err->str = strdup("Invalid term_type"); 7921669e509SWang Nan return false; 7931669e509SWang Nan } 7941669e509SWang Nan if (!config_term_shrinked) 7951669e509SWang Nan return true; 7961669e509SWang Nan 7971669e509SWang Nan switch (term_type) { 7981669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG: 7991669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG1: 8001669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_CONFIG2: 8011669e509SWang Nan case PARSE_EVENTS__TERM_TYPE_NAME: 8021669e509SWang Nan return true; 8031669e509SWang Nan default: 8041669e509SWang Nan if (!err) 8051669e509SWang Nan return false; 8061669e509SWang Nan 8071669e509SWang Nan /* term_type is validated so indexing is safe */ 8081669e509SWang Nan if (asprintf(&err->str, "'%s' is not usable in 'perf stat'", 8091669e509SWang Nan config_term_names[term_type]) < 0) 8101669e509SWang Nan err->str = NULL; 8111669e509SWang Nan return false; 8121669e509SWang Nan } 8131669e509SWang Nan } 8141669e509SWang Nan 8151669e509SWang Nan void parse_events__shrink_config_terms(void) 8161669e509SWang Nan { 8171669e509SWang Nan config_term_shrinked = true; 8181669e509SWang Nan } 8191669e509SWang Nan 8200b8891a8SHe Kuang typedef int config_term_func_t(struct perf_event_attr *attr, 8210b8891a8SHe Kuang struct parse_events_term *term, 8220b8891a8SHe Kuang struct parse_events_error *err); 8230b8891a8SHe Kuang 8240b8891a8SHe Kuang static int config_term_common(struct perf_event_attr *attr, 8253b0e371cSJiri Olsa struct parse_events_term *term, 8263b0e371cSJiri Olsa struct parse_events_error *err) 8278f707d84SJiri Olsa { 82816fa7e82SJiri Olsa #define CHECK_TYPE_VAL(type) \ 82916fa7e82SJiri Olsa do { \ 8303b0e371cSJiri Olsa if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ 83116fa7e82SJiri Olsa return -EINVAL; \ 83216fa7e82SJiri Olsa } while (0) 83316fa7e82SJiri Olsa 83416fa7e82SJiri Olsa switch (term->type_term) { 8358f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG: 83616fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 8378f707d84SJiri Olsa attr->config = term->val.num; 8388f707d84SJiri Olsa break; 8398f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG1: 84016fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 8418f707d84SJiri Olsa attr->config1 = term->val.num; 8428f707d84SJiri Olsa break; 8438f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_CONFIG2: 84416fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 8458f707d84SJiri Olsa attr->config2 = term->val.num; 8468f707d84SJiri Olsa break; 8478f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: 84816fa7e82SJiri Olsa CHECK_TYPE_VAL(NUM); 8498f707d84SJiri Olsa break; 85009af2a55SNamhyung Kim case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: 85109af2a55SNamhyung Kim CHECK_TYPE_VAL(NUM); 85209af2a55SNamhyung Kim break; 8538f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: 8548f707d84SJiri Olsa /* 8558f707d84SJiri Olsa * TODO uncomment when the field is available 8568f707d84SJiri Olsa * attr->branch_sample_type = term->val.num; 8578f707d84SJiri Olsa */ 8588f707d84SJiri Olsa break; 85932067712SKan Liang case PARSE_EVENTS__TERM_TYPE_TIME: 86032067712SKan Liang CHECK_TYPE_VAL(NUM); 86132067712SKan Liang if (term->val.num > 1) { 86232067712SKan Liang err->str = strdup("expected 0 or 1"); 86332067712SKan Liang err->idx = term->err_val; 86432067712SKan Liang return -EINVAL; 86532067712SKan Liang } 86632067712SKan Liang break; 867d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 868d457c963SKan Liang CHECK_TYPE_VAL(STR); 869d457c963SKan Liang break; 870d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 871d457c963SKan Liang CHECK_TYPE_VAL(NUM); 872d457c963SKan Liang break; 873374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 874374ce938SWang Nan CHECK_TYPE_VAL(NUM); 875374ce938SWang Nan break; 876374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 877374ce938SWang Nan CHECK_TYPE_VAL(NUM); 878374ce938SWang Nan break; 8796b5fc39bSJiri Olsa case PARSE_EVENTS__TERM_TYPE_NAME: 8806b5fc39bSJiri Olsa CHECK_TYPE_VAL(STR); 8816b5fc39bSJiri Olsa break; 8828f707d84SJiri Olsa default: 883ffeb883eSHe Kuang err->str = strdup("unknown term"); 884ffeb883eSHe Kuang err->idx = term->err_term; 885ffeb883eSHe Kuang err->help = parse_events_formats_error_string(NULL); 8868f707d84SJiri Olsa return -EINVAL; 8878f707d84SJiri Olsa } 88816fa7e82SJiri Olsa 8891669e509SWang Nan /* 8901669e509SWang Nan * Check term availbility after basic checking so 8911669e509SWang Nan * PARSE_EVENTS__TERM_TYPE_USER can be found and filtered. 8921669e509SWang Nan * 8931669e509SWang Nan * If check availbility at the entry of this function, 8941669e509SWang Nan * user will see "'<sysfs term>' is not usable in 'perf stat'" 8951669e509SWang Nan * if an invalid config term is provided for legacy events 8961669e509SWang Nan * (for example, instructions/badterm/...), which is confusing. 8971669e509SWang Nan */ 8981669e509SWang Nan if (!config_term_avail(term->type_term, err)) 8991669e509SWang Nan return -EINVAL; 9008f707d84SJiri Olsa return 0; 90116fa7e82SJiri Olsa #undef CHECK_TYPE_VAL 9028f707d84SJiri Olsa } 9038f707d84SJiri Olsa 9040b8891a8SHe Kuang static int config_term_pmu(struct perf_event_attr *attr, 9050b8891a8SHe Kuang struct parse_events_term *term, 9060b8891a8SHe Kuang struct parse_events_error *err) 9070b8891a8SHe Kuang { 9080b8891a8SHe Kuang if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER) 9090b8891a8SHe Kuang /* 9100b8891a8SHe Kuang * Always succeed for sysfs terms, as we dont know 9110b8891a8SHe Kuang * at this point what type they need to have. 9120b8891a8SHe Kuang */ 9130b8891a8SHe Kuang return 0; 9140b8891a8SHe Kuang else 9150b8891a8SHe Kuang return config_term_common(attr, term, err); 9160b8891a8SHe Kuang } 9170b8891a8SHe Kuang 918e637d177SHe Kuang static int config_term_tracepoint(struct perf_event_attr *attr, 919e637d177SHe Kuang struct parse_events_term *term, 920e637d177SHe Kuang struct parse_events_error *err) 921e637d177SHe Kuang { 922e637d177SHe Kuang switch (term->type_term) { 923e637d177SHe Kuang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 924e637d177SHe Kuang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 925374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 926374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 927e637d177SHe Kuang return config_term_common(attr, term, err); 928e637d177SHe Kuang default: 929e637d177SHe Kuang if (err) { 930e637d177SHe Kuang err->idx = term->err_term; 931e637d177SHe Kuang err->str = strdup("unknown term"); 932e637d177SHe Kuang err->help = strdup("valid terms: call-graph,stack-size\n"); 933e637d177SHe Kuang } 934e637d177SHe Kuang return -EINVAL; 935e637d177SHe Kuang } 936e637d177SHe Kuang 937e637d177SHe Kuang return 0; 938e637d177SHe Kuang } 939e637d177SHe Kuang 9408f707d84SJiri Olsa static int config_attr(struct perf_event_attr *attr, 9413b0e371cSJiri Olsa struct list_head *head, 9420b8891a8SHe Kuang struct parse_events_error *err, 9430b8891a8SHe Kuang config_term_func_t config_term) 9448f707d84SJiri Olsa { 9456cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term; 9468f707d84SJiri Olsa 9478f707d84SJiri Olsa list_for_each_entry(term, head, list) 9483b0e371cSJiri Olsa if (config_term(attr, term, err)) 9498f707d84SJiri Olsa return -EINVAL; 9508f707d84SJiri Olsa 9518f707d84SJiri Olsa return 0; 9528f707d84SJiri Olsa } 9538f707d84SJiri Olsa 954930a2e29SJiri Olsa static int get_config_terms(struct list_head *head_config, 955930a2e29SJiri Olsa struct list_head *head_terms __maybe_unused) 956930a2e29SJiri Olsa { 957930a2e29SJiri Olsa #define ADD_CONFIG_TERM(__type, __name, __val) \ 958930a2e29SJiri Olsa do { \ 959930a2e29SJiri Olsa struct perf_evsel_config_term *__t; \ 960930a2e29SJiri Olsa \ 961930a2e29SJiri Olsa __t = zalloc(sizeof(*__t)); \ 962930a2e29SJiri Olsa if (!__t) \ 963930a2e29SJiri Olsa return -ENOMEM; \ 964930a2e29SJiri Olsa \ 965930a2e29SJiri Olsa INIT_LIST_HEAD(&__t->list); \ 966930a2e29SJiri Olsa __t->type = PERF_EVSEL__CONFIG_TERM_ ## __type; \ 967930a2e29SJiri Olsa __t->val.__name = __val; \ 968930a2e29SJiri Olsa list_add_tail(&__t->list, head_terms); \ 969930a2e29SJiri Olsa } while (0) 970930a2e29SJiri Olsa 971930a2e29SJiri Olsa struct parse_events_term *term; 972930a2e29SJiri Olsa 973930a2e29SJiri Olsa list_for_each_entry(term, head_config, list) { 974930a2e29SJiri Olsa switch (term->type_term) { 975ee4c7588SJiri Olsa case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: 976ee4c7588SJiri Olsa ADD_CONFIG_TERM(PERIOD, period, term->val.num); 97732067712SKan Liang break; 97809af2a55SNamhyung Kim case PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ: 97909af2a55SNamhyung Kim ADD_CONFIG_TERM(FREQ, freq, term->val.num); 98009af2a55SNamhyung Kim break; 98132067712SKan Liang case PARSE_EVENTS__TERM_TYPE_TIME: 98232067712SKan Liang ADD_CONFIG_TERM(TIME, time, term->val.num); 98332067712SKan Liang break; 984d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: 985d457c963SKan Liang ADD_CONFIG_TERM(CALLGRAPH, callgraph, term->val.str); 986d457c963SKan Liang break; 987d457c963SKan Liang case PARSE_EVENTS__TERM_TYPE_STACKSIZE: 988d457c963SKan Liang ADD_CONFIG_TERM(STACK_USER, stack_user, term->val.num); 989d457c963SKan Liang break; 990374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_INHERIT: 991374ce938SWang Nan ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 1 : 0); 992374ce938SWang Nan break; 993374ce938SWang Nan case PARSE_EVENTS__TERM_TYPE_NOINHERIT: 994374ce938SWang Nan ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 0 : 1); 995374ce938SWang Nan break; 996930a2e29SJiri Olsa default: 997930a2e29SJiri Olsa break; 998930a2e29SJiri Olsa } 999930a2e29SJiri Olsa } 1000930a2e29SJiri Olsa #undef ADD_EVSEL_CONFIG 1001930a2e29SJiri Olsa return 0; 1002930a2e29SJiri Olsa } 1003930a2e29SJiri Olsa 1004e637d177SHe Kuang int parse_events_add_tracepoint(struct list_head *list, int *idx, 1005e637d177SHe Kuang char *sys, char *event, 1006272ed29aSJiri Olsa struct parse_events_error *err, 1007e637d177SHe Kuang struct list_head *head_config) 1008e637d177SHe Kuang { 1009e637d177SHe Kuang if (head_config) { 1010e637d177SHe Kuang struct perf_event_attr attr; 1011e637d177SHe Kuang 1012272ed29aSJiri Olsa if (config_attr(&attr, head_config, err, 1013e637d177SHe Kuang config_term_tracepoint)) 1014e637d177SHe Kuang return -EINVAL; 1015e637d177SHe Kuang } 1016e637d177SHe Kuang 1017e637d177SHe Kuang if (strpbrk(sys, "*?")) 1018e637d177SHe Kuang return add_tracepoint_multi_sys(list, idx, sys, event, 1019272ed29aSJiri Olsa err, head_config); 1020e637d177SHe Kuang else 1021e637d177SHe Kuang return add_tracepoint_event(list, idx, sys, event, 1022272ed29aSJiri Olsa err, head_config); 1023e637d177SHe Kuang } 1024e637d177SHe Kuang 102587d650beSJiri Olsa int parse_events_add_numeric(struct parse_events_evlist *data, 102687d650beSJiri Olsa struct list_head *list, 1027b527bab5SRobert Richter u32 type, u64 config, 10288f707d84SJiri Olsa struct list_head *head_config) 102974d5b588SJaswinder Singh Rajput { 103089812fc8SJiri Olsa struct perf_event_attr attr; 1031930a2e29SJiri Olsa LIST_HEAD(config_terms); 103274d5b588SJaswinder Singh Rajput 103389812fc8SJiri Olsa memset(&attr, 0, sizeof(attr)); 103489812fc8SJiri Olsa attr.type = type; 103589812fc8SJiri Olsa attr.config = config; 10368f707d84SJiri Olsa 1037930a2e29SJiri Olsa if (head_config) { 10380b8891a8SHe Kuang if (config_attr(&attr, head_config, data->error, 10390b8891a8SHe Kuang config_term_common)) 10408f707d84SJiri Olsa return -EINVAL; 10418f707d84SJiri Olsa 1042930a2e29SJiri Olsa if (get_config_terms(head_config, &config_terms)) 1043930a2e29SJiri Olsa return -ENOMEM; 1044930a2e29SJiri Olsa } 1045930a2e29SJiri Olsa 1046930a2e29SJiri Olsa return add_event(list, &data->idx, &attr, NULL, &config_terms); 1047b908debdSIngo Molnar } 1048b908debdSIngo Molnar 104936adec85SJiri Olsa int parse_events_add_pmu(struct parse_events_evlist *data, 105036adec85SJiri Olsa struct list_head *list, char *name, 105136adec85SJiri Olsa struct list_head *head_config) 10525f537a26SJiri Olsa { 10535f537a26SJiri Olsa struct perf_event_attr attr; 105446441bdcSMatt Fleming struct perf_pmu_info info; 10555f537a26SJiri Olsa struct perf_pmu *pmu; 1056410136f5SStephane Eranian struct perf_evsel *evsel; 1057930a2e29SJiri Olsa LIST_HEAD(config_terms); 10585f537a26SJiri Olsa 10595f537a26SJiri Olsa pmu = perf_pmu__find(name); 10605f537a26SJiri Olsa if (!pmu) 10615f537a26SJiri Olsa return -EINVAL; 10625f537a26SJiri Olsa 1063dc0a6202SAdrian Hunter if (pmu->default_config) { 1064dc0a6202SAdrian Hunter memcpy(&attr, pmu->default_config, 1065dc0a6202SAdrian Hunter sizeof(struct perf_event_attr)); 1066dc0a6202SAdrian Hunter } else { 10675f537a26SJiri Olsa memset(&attr, 0, sizeof(attr)); 1068dc0a6202SAdrian Hunter } 10695f537a26SJiri Olsa 1070ad962273SAdrian Hunter if (!head_config) { 1071ad962273SAdrian Hunter attr.type = pmu->type; 1072930a2e29SJiri Olsa evsel = __add_event(list, &data->idx, &attr, NULL, pmu->cpus, NULL); 1073ad962273SAdrian Hunter return evsel ? 0 : -ENOMEM; 1074ad962273SAdrian Hunter } 1075ad962273SAdrian Hunter 107646441bdcSMatt Fleming if (perf_pmu__check_alias(pmu, head_config, &info)) 1077a6146d50SZheng Yan return -EINVAL; 1078a6146d50SZheng Yan 10795f537a26SJiri Olsa /* 10805f537a26SJiri Olsa * Configure hardcoded terms first, no need to check 10815f537a26SJiri Olsa * return value when called with fail == 0 ;) 10825f537a26SJiri Olsa */ 10830b8891a8SHe Kuang if (config_attr(&attr, head_config, data->error, config_term_pmu)) 1084c056ba6aSJiri Olsa return -EINVAL; 10855f537a26SJiri Olsa 1086930a2e29SJiri Olsa if (get_config_terms(head_config, &config_terms)) 1087930a2e29SJiri Olsa return -ENOMEM; 1088930a2e29SJiri Olsa 1089e64b020bSJiri Olsa if (perf_pmu__config(pmu, &attr, head_config, data->error)) 10905f537a26SJiri Olsa return -EINVAL; 10915f537a26SJiri Olsa 109236adec85SJiri Olsa evsel = __add_event(list, &data->idx, &attr, 1093*e814fdddSWang Nan get_config_name(head_config), pmu->cpus, 1094930a2e29SJiri Olsa &config_terms); 1095410136f5SStephane Eranian if (evsel) { 109646441bdcSMatt Fleming evsel->unit = info.unit; 109746441bdcSMatt Fleming evsel->scale = info.scale; 1098044330c1SMatt Fleming evsel->per_pkg = info.per_pkg; 10991d9e446bSJiri Olsa evsel->snapshot = info.snapshot; 1100410136f5SStephane Eranian } 1101410136f5SStephane Eranian 1102410136f5SStephane Eranian return evsel ? 0 : -ENOMEM; 11035f537a26SJiri Olsa } 11045f537a26SJiri Olsa 11056a4bb04cSJiri Olsa int parse_events__modifier_group(struct list_head *list, 11066a4bb04cSJiri Olsa char *event_mod) 110789efb029SJiri Olsa { 11086a4bb04cSJiri Olsa return parse_events__modifier_event(list, event_mod, true); 11096a4bb04cSJiri Olsa } 11106a4bb04cSJiri Olsa 111163dab225SArnaldo Carvalho de Melo void parse_events__set_leader(char *name, struct list_head *list) 11126a4bb04cSJiri Olsa { 11136a4bb04cSJiri Olsa struct perf_evsel *leader; 11146a4bb04cSJiri Olsa 1115854f7363SWang Nan if (list_empty(list)) { 1116854f7363SWang Nan WARN_ONCE(true, "WARNING: failed to set leader: empty list"); 1117854f7363SWang Nan return; 1118854f7363SWang Nan } 1119854f7363SWang Nan 112063dab225SArnaldo Carvalho de Melo __perf_evlist__set_leader(list); 112163dab225SArnaldo Carvalho de Melo leader = list_entry(list->next, struct perf_evsel, node); 11226a4bb04cSJiri Olsa leader->group_name = name ? strdup(name) : NULL; 112389efb029SJiri Olsa } 112489efb029SJiri Olsa 1125c5cd8ac0SDavid Ahern /* list_event is assumed to point to malloc'ed memory */ 11265d7be90eSJiri Olsa void parse_events_update_lists(struct list_head *list_event, 11275d7be90eSJiri Olsa struct list_head *list_all) 11285d7be90eSJiri Olsa { 11295d7be90eSJiri Olsa /* 11305d7be90eSJiri Olsa * Called for single event definition. Update the 113189efb029SJiri Olsa * 'all event' list, and reinit the 'single event' 11325d7be90eSJiri Olsa * list, for next event definition. 11335d7be90eSJiri Olsa */ 11345d7be90eSJiri Olsa list_splice_tail(list_event, list_all); 1135b847cbdcSJiri Olsa free(list_event); 11365d7be90eSJiri Olsa } 11375d7be90eSJiri Olsa 1138f5b1135bSJiri Olsa struct event_modifier { 1139f5b1135bSJiri Olsa int eu; 1140f5b1135bSJiri Olsa int ek; 1141f5b1135bSJiri Olsa int eh; 1142f5b1135bSJiri Olsa int eH; 1143f5b1135bSJiri Olsa int eG; 1144a1e12da4SJiri Olsa int eI; 1145f5b1135bSJiri Olsa int precise; 11467f94af7aSJiri Olsa int precise_max; 1147f5b1135bSJiri Olsa int exclude_GH; 11483c176311SJiri Olsa int sample_read; 1149e9a7c414SMichael Ellerman int pinned; 1150f5b1135bSJiri Olsa }; 115161c45981SPaul Mackerras 1152f5b1135bSJiri Olsa static int get_event_modifier(struct event_modifier *mod, char *str, 1153f5b1135bSJiri Olsa struct perf_evsel *evsel) 1154f5b1135bSJiri Olsa { 1155f5b1135bSJiri Olsa int eu = evsel ? evsel->attr.exclude_user : 0; 1156f5b1135bSJiri Olsa int ek = evsel ? evsel->attr.exclude_kernel : 0; 1157f5b1135bSJiri Olsa int eh = evsel ? evsel->attr.exclude_hv : 0; 1158f5b1135bSJiri Olsa int eH = evsel ? evsel->attr.exclude_host : 0; 1159f5b1135bSJiri Olsa int eG = evsel ? evsel->attr.exclude_guest : 0; 1160a1e12da4SJiri Olsa int eI = evsel ? evsel->attr.exclude_idle : 0; 1161f5b1135bSJiri Olsa int precise = evsel ? evsel->attr.precise_ip : 0; 11627f94af7aSJiri Olsa int precise_max = 0; 11633c176311SJiri Olsa int sample_read = 0; 1164e9a7c414SMichael Ellerman int pinned = evsel ? evsel->attr.pinned : 0; 1165f5b1135bSJiri Olsa 1166f5b1135bSJiri Olsa int exclude = eu | ek | eh; 1167f5b1135bSJiri Olsa int exclude_GH = evsel ? evsel->exclude_GH : 0; 1168f5b1135bSJiri Olsa 1169f5b1135bSJiri Olsa memset(mod, 0, sizeof(*mod)); 1170ceb53fbfSIngo Molnar 117161c45981SPaul Mackerras while (*str) { 1172ab608344SPeter Zijlstra if (*str == 'u') { 1173ab608344SPeter Zijlstra if (!exclude) 1174ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 117561c45981SPaul Mackerras eu = 0; 1176ab608344SPeter Zijlstra } else if (*str == 'k') { 1177ab608344SPeter Zijlstra if (!exclude) 1178ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 117961c45981SPaul Mackerras ek = 0; 1180ab608344SPeter Zijlstra } else if (*str == 'h') { 1181ab608344SPeter Zijlstra if (!exclude) 1182ab608344SPeter Zijlstra exclude = eu = ek = eh = 1; 118361c45981SPaul Mackerras eh = 0; 118499320cc8SJoerg Roedel } else if (*str == 'G') { 118599320cc8SJoerg Roedel if (!exclude_GH) 118699320cc8SJoerg Roedel exclude_GH = eG = eH = 1; 118799320cc8SJoerg Roedel eG = 0; 118899320cc8SJoerg Roedel } else if (*str == 'H') { 118999320cc8SJoerg Roedel if (!exclude_GH) 119099320cc8SJoerg Roedel exclude_GH = eG = eH = 1; 119199320cc8SJoerg Roedel eH = 0; 1192a1e12da4SJiri Olsa } else if (*str == 'I') { 1193a1e12da4SJiri Olsa eI = 1; 1194ab608344SPeter Zijlstra } else if (*str == 'p') { 1195ab608344SPeter Zijlstra precise++; 11961342798cSDavid Ahern /* use of precise requires exclude_guest */ 11971342798cSDavid Ahern if (!exclude_GH) 11981342798cSDavid Ahern eG = 1; 11997f94af7aSJiri Olsa } else if (*str == 'P') { 12007f94af7aSJiri Olsa precise_max = 1; 12013c176311SJiri Olsa } else if (*str == 'S') { 12023c176311SJiri Olsa sample_read = 1; 1203e9a7c414SMichael Ellerman } else if (*str == 'D') { 1204e9a7c414SMichael Ellerman pinned = 1; 1205ab608344SPeter Zijlstra } else 120661c45981SPaul Mackerras break; 1207ab608344SPeter Zijlstra 120861c45981SPaul Mackerras ++str; 120961c45981SPaul Mackerras } 121074d5b588SJaswinder Singh Rajput 121186470930SIngo Molnar /* 121289812fc8SJiri Olsa * precise ip: 121389812fc8SJiri Olsa * 121489812fc8SJiri Olsa * 0 - SAMPLE_IP can have arbitrary skid 121589812fc8SJiri Olsa * 1 - SAMPLE_IP must have constant skid 121689812fc8SJiri Olsa * 2 - SAMPLE_IP requested to have 0 skid 121789812fc8SJiri Olsa * 3 - SAMPLE_IP must have 0 skid 121889812fc8SJiri Olsa * 121989812fc8SJiri Olsa * See also PERF_RECORD_MISC_EXACT_IP 122086470930SIngo Molnar */ 122189812fc8SJiri Olsa if (precise > 3) 122289812fc8SJiri Olsa return -EINVAL; 122386470930SIngo Molnar 1224f5b1135bSJiri Olsa mod->eu = eu; 1225f5b1135bSJiri Olsa mod->ek = ek; 1226f5b1135bSJiri Olsa mod->eh = eh; 1227f5b1135bSJiri Olsa mod->eH = eH; 1228f5b1135bSJiri Olsa mod->eG = eG; 1229a1e12da4SJiri Olsa mod->eI = eI; 1230f5b1135bSJiri Olsa mod->precise = precise; 12317f94af7aSJiri Olsa mod->precise_max = precise_max; 1232f5b1135bSJiri Olsa mod->exclude_GH = exclude_GH; 12333c176311SJiri Olsa mod->sample_read = sample_read; 1234e9a7c414SMichael Ellerman mod->pinned = pinned; 1235e9a7c414SMichael Ellerman 1236f5b1135bSJiri Olsa return 0; 1237f5b1135bSJiri Olsa } 1238f5b1135bSJiri Olsa 1239534123f4SJiri Olsa /* 1240534123f4SJiri Olsa * Basic modifier sanity check to validate it contains only one 1241534123f4SJiri Olsa * instance of any modifier (apart from 'p') present. 1242534123f4SJiri Olsa */ 1243534123f4SJiri Olsa static int check_modifier(char *str) 1244534123f4SJiri Olsa { 1245534123f4SJiri Olsa char *p = str; 1246534123f4SJiri Olsa 1247534123f4SJiri Olsa /* The sizeof includes 0 byte as well. */ 12487f94af7aSJiri Olsa if (strlen(str) > (sizeof("ukhGHpppPSDI") - 1)) 1249534123f4SJiri Olsa return -1; 1250534123f4SJiri Olsa 1251534123f4SJiri Olsa while (*p) { 1252534123f4SJiri Olsa if (*p != 'p' && strchr(p + 1, *p)) 1253534123f4SJiri Olsa return -1; 1254534123f4SJiri Olsa p++; 1255534123f4SJiri Olsa } 1256534123f4SJiri Olsa 1257534123f4SJiri Olsa return 0; 1258534123f4SJiri Olsa } 1259534123f4SJiri Olsa 1260f5b1135bSJiri Olsa int parse_events__modifier_event(struct list_head *list, char *str, bool add) 1261f5b1135bSJiri Olsa { 1262f5b1135bSJiri Olsa struct perf_evsel *evsel; 1263f5b1135bSJiri Olsa struct event_modifier mod; 1264f5b1135bSJiri Olsa 1265f5b1135bSJiri Olsa if (str == NULL) 1266f5b1135bSJiri Olsa return 0; 1267f5b1135bSJiri Olsa 1268534123f4SJiri Olsa if (check_modifier(str)) 1269534123f4SJiri Olsa return -EINVAL; 1270534123f4SJiri Olsa 1271f5b1135bSJiri Olsa if (!add && get_event_modifier(&mod, str, NULL)) 1272f5b1135bSJiri Olsa return -EINVAL; 1273f5b1135bSJiri Olsa 12740050f7aaSArnaldo Carvalho de Melo __evlist__for_each(list, evsel) { 1275f5b1135bSJiri Olsa if (add && get_event_modifier(&mod, str, evsel)) 1276f5b1135bSJiri Olsa return -EINVAL; 1277f5b1135bSJiri Olsa 1278f5b1135bSJiri Olsa evsel->attr.exclude_user = mod.eu; 1279f5b1135bSJiri Olsa evsel->attr.exclude_kernel = mod.ek; 1280f5b1135bSJiri Olsa evsel->attr.exclude_hv = mod.eh; 1281f5b1135bSJiri Olsa evsel->attr.precise_ip = mod.precise; 1282f5b1135bSJiri Olsa evsel->attr.exclude_host = mod.eH; 1283f5b1135bSJiri Olsa evsel->attr.exclude_guest = mod.eG; 1284a1e12da4SJiri Olsa evsel->attr.exclude_idle = mod.eI; 1285f5b1135bSJiri Olsa evsel->exclude_GH = mod.exclude_GH; 12863c176311SJiri Olsa evsel->sample_read = mod.sample_read; 12877f94af7aSJiri Olsa evsel->precise_max = mod.precise_max; 1288e9a7c414SMichael Ellerman 1289e9a7c414SMichael Ellerman if (perf_evsel__is_group_leader(evsel)) 1290e9a7c414SMichael Ellerman evsel->attr.pinned = mod.pinned; 1291ceb53fbfSIngo Molnar } 129286470930SIngo Molnar 129389812fc8SJiri Olsa return 0; 129486470930SIngo Molnar } 129586470930SIngo Molnar 1296ac2ba9f3SRobert Richter int parse_events_name(struct list_head *list, char *name) 1297ac2ba9f3SRobert Richter { 1298ac2ba9f3SRobert Richter struct perf_evsel *evsel; 1299ac2ba9f3SRobert Richter 13000050f7aaSArnaldo Carvalho de Melo __evlist__for_each(list, evsel) { 1301ac2ba9f3SRobert Richter if (!evsel->name) 1302ac2ba9f3SRobert Richter evsel->name = strdup(name); 1303ac2ba9f3SRobert Richter } 1304ac2ba9f3SRobert Richter 1305ac2ba9f3SRobert Richter return 0; 1306ac2ba9f3SRobert Richter } 1307ac2ba9f3SRobert Richter 1308dcb4e102SKan Liang static int 1309dcb4e102SKan Liang comp_pmu(const void *p1, const void *p2) 1310dcb4e102SKan Liang { 1311dcb4e102SKan Liang struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; 1312dcb4e102SKan Liang struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; 1313dcb4e102SKan Liang 1314dcb4e102SKan Liang return strcmp(pmu1->symbol, pmu2->symbol); 1315dcb4e102SKan Liang } 1316dcb4e102SKan Liang 1317dcb4e102SKan Liang static void perf_pmu__parse_cleanup(void) 1318dcb4e102SKan Liang { 1319dcb4e102SKan Liang if (perf_pmu_events_list_num > 0) { 1320dcb4e102SKan Liang struct perf_pmu_event_symbol *p; 1321dcb4e102SKan Liang int i; 1322dcb4e102SKan Liang 1323dcb4e102SKan Liang for (i = 0; i < perf_pmu_events_list_num; i++) { 1324dcb4e102SKan Liang p = perf_pmu_events_list + i; 1325dcb4e102SKan Liang free(p->symbol); 1326dcb4e102SKan Liang } 1327dcb4e102SKan Liang free(perf_pmu_events_list); 1328dcb4e102SKan Liang perf_pmu_events_list = NULL; 1329dcb4e102SKan Liang perf_pmu_events_list_num = 0; 1330dcb4e102SKan Liang } 1331dcb4e102SKan Liang } 1332dcb4e102SKan Liang 1333dcb4e102SKan Liang #define SET_SYMBOL(str, stype) \ 1334dcb4e102SKan Liang do { \ 1335dcb4e102SKan Liang p->symbol = str; \ 1336dcb4e102SKan Liang if (!p->symbol) \ 1337dcb4e102SKan Liang goto err; \ 1338dcb4e102SKan Liang p->type = stype; \ 1339dcb4e102SKan Liang } while (0) 1340dcb4e102SKan Liang 1341dcb4e102SKan Liang /* 1342dcb4e102SKan Liang * Read the pmu events list from sysfs 1343dcb4e102SKan Liang * Save it into perf_pmu_events_list 1344dcb4e102SKan Liang */ 1345dcb4e102SKan Liang static void perf_pmu__parse_init(void) 1346dcb4e102SKan Liang { 1347dcb4e102SKan Liang 1348dcb4e102SKan Liang struct perf_pmu *pmu = NULL; 1349dcb4e102SKan Liang struct perf_pmu_alias *alias; 1350dcb4e102SKan Liang int len = 0; 1351dcb4e102SKan Liang 1352dcb4e102SKan Liang pmu = perf_pmu__find("cpu"); 1353dcb4e102SKan Liang if ((pmu == NULL) || list_empty(&pmu->aliases)) { 1354dcb4e102SKan Liang perf_pmu_events_list_num = -1; 1355dcb4e102SKan Liang return; 1356dcb4e102SKan Liang } 1357dcb4e102SKan Liang list_for_each_entry(alias, &pmu->aliases, list) { 1358dcb4e102SKan Liang if (strchr(alias->name, '-')) 1359dcb4e102SKan Liang len++; 1360dcb4e102SKan Liang len++; 1361dcb4e102SKan Liang } 1362dcb4e102SKan Liang perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); 1363dcb4e102SKan Liang if (!perf_pmu_events_list) 1364dcb4e102SKan Liang return; 1365dcb4e102SKan Liang perf_pmu_events_list_num = len; 1366dcb4e102SKan Liang 1367dcb4e102SKan Liang len = 0; 1368dcb4e102SKan Liang list_for_each_entry(alias, &pmu->aliases, list) { 1369dcb4e102SKan Liang struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; 1370dcb4e102SKan Liang char *tmp = strchr(alias->name, '-'); 1371dcb4e102SKan Liang 1372dcb4e102SKan Liang if (tmp != NULL) { 1373dcb4e102SKan Liang SET_SYMBOL(strndup(alias->name, tmp - alias->name), 1374dcb4e102SKan Liang PMU_EVENT_SYMBOL_PREFIX); 1375dcb4e102SKan Liang p++; 1376dcb4e102SKan Liang SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); 1377dcb4e102SKan Liang len += 2; 1378dcb4e102SKan Liang } else { 1379dcb4e102SKan Liang SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); 1380dcb4e102SKan Liang len++; 1381dcb4e102SKan Liang } 1382dcb4e102SKan Liang } 1383dcb4e102SKan Liang qsort(perf_pmu_events_list, len, 1384dcb4e102SKan Liang sizeof(struct perf_pmu_event_symbol), comp_pmu); 1385dcb4e102SKan Liang 1386dcb4e102SKan Liang return; 1387dcb4e102SKan Liang err: 1388dcb4e102SKan Liang perf_pmu__parse_cleanup(); 1389dcb4e102SKan Liang } 1390dcb4e102SKan Liang 1391dcb4e102SKan Liang enum perf_pmu_event_symbol_type 1392dcb4e102SKan Liang perf_pmu__parse_check(const char *name) 1393dcb4e102SKan Liang { 1394dcb4e102SKan Liang struct perf_pmu_event_symbol p, *r; 1395dcb4e102SKan Liang 1396dcb4e102SKan Liang /* scan kernel pmu events from sysfs if needed */ 1397dcb4e102SKan Liang if (perf_pmu_events_list_num == 0) 1398dcb4e102SKan Liang perf_pmu__parse_init(); 1399dcb4e102SKan Liang /* 1400dcb4e102SKan Liang * name "cpu" could be prefix of cpu-cycles or cpu// events. 1401dcb4e102SKan Liang * cpu-cycles has been handled by hardcode. 1402dcb4e102SKan Liang * So it must be cpu// events, not kernel pmu event. 1403dcb4e102SKan Liang */ 1404dcb4e102SKan Liang if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) 1405dcb4e102SKan Liang return PMU_EVENT_SYMBOL_ERR; 1406dcb4e102SKan Liang 1407dcb4e102SKan Liang p.symbol = strdup(name); 1408dcb4e102SKan Liang r = bsearch(&p, perf_pmu_events_list, 1409dcb4e102SKan Liang (size_t) perf_pmu_events_list_num, 1410dcb4e102SKan Liang sizeof(struct perf_pmu_event_symbol), comp_pmu); 1411dcb4e102SKan Liang free(p.symbol); 1412dcb4e102SKan Liang return r ? r->type : PMU_EVENT_SYMBOL_ERR; 1413dcb4e102SKan Liang } 1414dcb4e102SKan Liang 141590e2b22dSJiri Olsa static int parse_events__scanner(const char *str, void *data, int start_token) 1416ac20de6fSZheng Yan { 1417ac20de6fSZheng Yan YY_BUFFER_STATE buffer; 1418ac20de6fSZheng Yan void *scanner; 1419ac20de6fSZheng Yan int ret; 1420ac20de6fSZheng Yan 142190e2b22dSJiri Olsa ret = parse_events_lex_init_extra(start_token, &scanner); 1422ac20de6fSZheng Yan if (ret) 1423ac20de6fSZheng Yan return ret; 1424ac20de6fSZheng Yan 1425ac20de6fSZheng Yan buffer = parse_events__scan_string(str, scanner); 1426ac20de6fSZheng Yan 1427ac20de6fSZheng Yan #ifdef PARSER_DEBUG 1428ac20de6fSZheng Yan parse_events_debug = 1; 1429ac20de6fSZheng Yan #endif 1430ac20de6fSZheng Yan ret = parse_events_parse(data, scanner); 1431ac20de6fSZheng Yan 1432ac20de6fSZheng Yan parse_events__flush_buffer(buffer, scanner); 1433ac20de6fSZheng Yan parse_events__delete_buffer(buffer, scanner); 1434ac20de6fSZheng Yan parse_events_lex_destroy(scanner); 1435ac20de6fSZheng Yan return ret; 1436ac20de6fSZheng Yan } 1437ac20de6fSZheng Yan 143890e2b22dSJiri Olsa /* 143990e2b22dSJiri Olsa * parse event config string, return a list of event terms. 144090e2b22dSJiri Olsa */ 144190e2b22dSJiri Olsa int parse_events_terms(struct list_head *terms, const char *str) 144290e2b22dSJiri Olsa { 144323b6339bSArnaldo Carvalho de Melo struct parse_events_terms data = { 144490e2b22dSJiri Olsa .terms = NULL, 144590e2b22dSJiri Olsa }; 144690e2b22dSJiri Olsa int ret; 144790e2b22dSJiri Olsa 144890e2b22dSJiri Olsa ret = parse_events__scanner(str, &data, PE_START_TERMS); 144990e2b22dSJiri Olsa if (!ret) { 145090e2b22dSJiri Olsa list_splice(data.terms, terms); 145174cf249dSArnaldo Carvalho de Melo zfree(&data.terms); 145290e2b22dSJiri Olsa return 0; 145390e2b22dSJiri Olsa } 145490e2b22dSJiri Olsa 14552146afc6SArnaldo Carvalho de Melo parse_events_terms__delete(data.terms); 145690e2b22dSJiri Olsa return ret; 145790e2b22dSJiri Olsa } 145890e2b22dSJiri Olsa 1459b39b8393SJiri Olsa int parse_events(struct perf_evlist *evlist, const char *str, 1460b39b8393SJiri Olsa struct parse_events_error *err) 146186470930SIngo Molnar { 146223b6339bSArnaldo Carvalho de Melo struct parse_events_evlist data = { 146346010ab2SJiri Olsa .list = LIST_HEAD_INIT(data.list), 146446010ab2SJiri Olsa .idx = evlist->nr_entries, 1465b39b8393SJiri Olsa .error = err, 146646010ab2SJiri Olsa }; 146746010ab2SJiri Olsa int ret; 146886470930SIngo Molnar 146990e2b22dSJiri Olsa ret = parse_events__scanner(str, &data, PE_START_EVENTS); 1470dcb4e102SKan Liang perf_pmu__parse_cleanup(); 147189812fc8SJiri Olsa if (!ret) { 147215bfd2ccSWang Nan struct perf_evsel *last; 147315bfd2ccSWang Nan 1474854f7363SWang Nan if (list_empty(&data.list)) { 1475854f7363SWang Nan WARN_ONCE(true, "WARNING: event parser found nothing"); 1476854f7363SWang Nan return -1; 1477854f7363SWang Nan } 1478854f7363SWang Nan 1479f114d6efSAdrian Hunter perf_evlist__splice_list_tail(evlist, &data.list); 148097f63e4aSNamhyung Kim evlist->nr_groups += data.nr_groups; 148115bfd2ccSWang Nan last = perf_evlist__last(evlist); 148215bfd2ccSWang Nan last->cmdline_group_boundary = true; 148315bfd2ccSWang Nan 148486470930SIngo Molnar return 0; 148586470930SIngo Molnar } 148686470930SIngo Molnar 14875d7be90eSJiri Olsa /* 14885d7be90eSJiri Olsa * There are 2 users - builtin-record and builtin-test objects. 14895d7be90eSJiri Olsa * Both call perf_evlist__delete in case of error, so we dont 14905d7be90eSJiri Olsa * need to bother. 14915d7be90eSJiri Olsa */ 149289812fc8SJiri Olsa return ret; 149389812fc8SJiri Olsa } 149489812fc8SJiri Olsa 1495b39b8393SJiri Olsa #define MAX_WIDTH 1000 1496b39b8393SJiri Olsa static int get_term_width(void) 1497b39b8393SJiri Olsa { 1498b39b8393SJiri Olsa struct winsize ws; 1499b39b8393SJiri Olsa 1500b39b8393SJiri Olsa get_term_dimensions(&ws); 1501b39b8393SJiri Olsa return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; 1502b39b8393SJiri Olsa } 1503b39b8393SJiri Olsa 1504b39b8393SJiri Olsa static void parse_events_print_error(struct parse_events_error *err, 1505b39b8393SJiri Olsa const char *event) 1506b39b8393SJiri Olsa { 1507b39b8393SJiri Olsa const char *str = "invalid or unsupported event: "; 1508b39b8393SJiri Olsa char _buf[MAX_WIDTH]; 1509b39b8393SJiri Olsa char *buf = (char *) event; 1510b39b8393SJiri Olsa int idx = 0; 1511b39b8393SJiri Olsa 1512b39b8393SJiri Olsa if (err->str) { 1513b39b8393SJiri Olsa /* -2 for extra '' in the final fprintf */ 1514b39b8393SJiri Olsa int width = get_term_width() - 2; 1515b39b8393SJiri Olsa int len_event = strlen(event); 1516b39b8393SJiri Olsa int len_str, max_len, cut = 0; 1517b39b8393SJiri Olsa 1518b39b8393SJiri Olsa /* 1519b39b8393SJiri Olsa * Maximum error index indent, we will cut 1520b39b8393SJiri Olsa * the event string if it's bigger. 1521b39b8393SJiri Olsa */ 1522141b2d31SAdrian Hunter int max_err_idx = 13; 1523b39b8393SJiri Olsa 1524b39b8393SJiri Olsa /* 1525b39b8393SJiri Olsa * Let's be specific with the message when 1526b39b8393SJiri Olsa * we have the precise error. 1527b39b8393SJiri Olsa */ 1528b39b8393SJiri Olsa str = "event syntax error: "; 1529b39b8393SJiri Olsa len_str = strlen(str); 1530b39b8393SJiri Olsa max_len = width - len_str; 1531b39b8393SJiri Olsa 1532b39b8393SJiri Olsa buf = _buf; 1533b39b8393SJiri Olsa 1534b39b8393SJiri Olsa /* We're cutting from the beggining. */ 1535b39b8393SJiri Olsa if (err->idx > max_err_idx) 1536b39b8393SJiri Olsa cut = err->idx - max_err_idx; 1537b39b8393SJiri Olsa 1538b39b8393SJiri Olsa strncpy(buf, event + cut, max_len); 1539b39b8393SJiri Olsa 1540b39b8393SJiri Olsa /* Mark cut parts with '..' on both sides. */ 1541b39b8393SJiri Olsa if (cut) 1542b39b8393SJiri Olsa buf[0] = buf[1] = '.'; 1543b39b8393SJiri Olsa 1544b39b8393SJiri Olsa if ((len_event - cut) > max_len) { 1545b39b8393SJiri Olsa buf[max_len - 1] = buf[max_len - 2] = '.'; 1546b39b8393SJiri Olsa buf[max_len] = 0; 1547b39b8393SJiri Olsa } 1548b39b8393SJiri Olsa 1549b39b8393SJiri Olsa idx = len_str + err->idx - cut; 1550b39b8393SJiri Olsa } 1551b39b8393SJiri Olsa 1552b39b8393SJiri Olsa fprintf(stderr, "%s'%s'\n", str, buf); 1553b39b8393SJiri Olsa if (idx) { 1554b39b8393SJiri Olsa fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err->str); 1555b39b8393SJiri Olsa if (err->help) 1556b39b8393SJiri Olsa fprintf(stderr, "\n%s\n", err->help); 1557b39b8393SJiri Olsa free(err->str); 1558b39b8393SJiri Olsa free(err->help); 1559b39b8393SJiri Olsa } 1560b39b8393SJiri Olsa 1561b39b8393SJiri Olsa fprintf(stderr, "Run 'perf list' for a list of valid events\n"); 1562b39b8393SJiri Olsa } 1563b39b8393SJiri Olsa 1564b39b8393SJiri Olsa #undef MAX_WIDTH 1565b39b8393SJiri Olsa 1566f120f9d5SJiri Olsa int parse_events_option(const struct option *opt, const char *str, 15671d037ca1SIrina Tirdea int unset __maybe_unused) 1568f120f9d5SJiri Olsa { 1569f120f9d5SJiri Olsa struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 1570b39b8393SJiri Olsa struct parse_events_error err = { .idx = 0, }; 1571b39b8393SJiri Olsa int ret = parse_events(evlist, str, &err); 15729175ce1fSAndi Kleen 1573b39b8393SJiri Olsa if (ret) 1574b39b8393SJiri Olsa parse_events_print_error(&err, str); 1575b39b8393SJiri Olsa 15769175ce1fSAndi Kleen return ret; 1577f120f9d5SJiri Olsa } 1578f120f9d5SJiri Olsa 15794ba1faa1SWang Nan static int 15804ba1faa1SWang Nan foreach_evsel_in_last_glob(struct perf_evlist *evlist, 15814ba1faa1SWang Nan int (*func)(struct perf_evsel *evsel, 15824ba1faa1SWang Nan const void *arg), 15834ba1faa1SWang Nan const void *arg) 1584c171b552SLi Zefan { 158569aad6f1SArnaldo Carvalho de Melo struct perf_evsel *last = NULL; 15864ba1faa1SWang Nan int err; 1587c171b552SLi Zefan 1588854f7363SWang Nan /* 1589854f7363SWang Nan * Don't return when list_empty, give func a chance to report 1590854f7363SWang Nan * error when it found last == NULL. 1591854f7363SWang Nan * 1592854f7363SWang Nan * So no need to WARN here, let *func do this. 1593854f7363SWang Nan */ 1594361c99a6SArnaldo Carvalho de Melo if (evlist->nr_entries > 0) 15950c21f736SArnaldo Carvalho de Melo last = perf_evlist__last(evlist); 159669aad6f1SArnaldo Carvalho de Melo 159715bfd2ccSWang Nan do { 15984ba1faa1SWang Nan err = (*func)(last, arg); 15994ba1faa1SWang Nan if (err) 1600c171b552SLi Zefan return -1; 16014ba1faa1SWang Nan if (!last) 16024ba1faa1SWang Nan return 0; 1603c171b552SLi Zefan 160415bfd2ccSWang Nan if (last->node.prev == &evlist->entries) 160515bfd2ccSWang Nan return 0; 160615bfd2ccSWang Nan last = list_entry(last->node.prev, struct perf_evsel, node); 160715bfd2ccSWang Nan } while (!last->cmdline_group_boundary); 160815bfd2ccSWang Nan 1609c171b552SLi Zefan return 0; 1610c171b552SLi Zefan } 1611c171b552SLi Zefan 16124ba1faa1SWang Nan static int set_filter(struct perf_evsel *evsel, const void *arg) 16134ba1faa1SWang Nan { 16144ba1faa1SWang Nan const char *str = arg; 16154ba1faa1SWang Nan 16164ba1faa1SWang Nan if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { 16174ba1faa1SWang Nan fprintf(stderr, 16184ba1faa1SWang Nan "--filter option should follow a -e tracepoint option\n"); 16194ba1faa1SWang Nan return -1; 16204ba1faa1SWang Nan } 16214ba1faa1SWang Nan 16224ba1faa1SWang Nan if (perf_evsel__append_filter(evsel, "&&", str) < 0) { 16234ba1faa1SWang Nan fprintf(stderr, 16244ba1faa1SWang Nan "not enough memory to hold filter string\n"); 16254ba1faa1SWang Nan return -1; 16264ba1faa1SWang Nan } 16274ba1faa1SWang Nan 16284ba1faa1SWang Nan return 0; 16294ba1faa1SWang Nan } 16304ba1faa1SWang Nan 16314ba1faa1SWang Nan int parse_filter(const struct option *opt, const char *str, 16324ba1faa1SWang Nan int unset __maybe_unused) 16334ba1faa1SWang Nan { 16344ba1faa1SWang Nan struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 16354ba1faa1SWang Nan 16364ba1faa1SWang Nan return foreach_evsel_in_last_glob(evlist, set_filter, 16374ba1faa1SWang Nan (const void *)str); 16384ba1faa1SWang Nan } 16394ba1faa1SWang Nan 16404ba1faa1SWang Nan static int add_exclude_perf_filter(struct perf_evsel *evsel, 16414ba1faa1SWang Nan const void *arg __maybe_unused) 16424ba1faa1SWang Nan { 16434ba1faa1SWang Nan char new_filter[64]; 16444ba1faa1SWang Nan 16454ba1faa1SWang Nan if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { 16464ba1faa1SWang Nan fprintf(stderr, 16474ba1faa1SWang Nan "--exclude-perf option should follow a -e tracepoint option\n"); 16484ba1faa1SWang Nan return -1; 16494ba1faa1SWang Nan } 16504ba1faa1SWang Nan 16514ba1faa1SWang Nan snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid()); 16524ba1faa1SWang Nan 16534ba1faa1SWang Nan if (perf_evsel__append_filter(evsel, "&&", new_filter) < 0) { 16544ba1faa1SWang Nan fprintf(stderr, 16554ba1faa1SWang Nan "not enough memory to hold filter string\n"); 16564ba1faa1SWang Nan return -1; 16574ba1faa1SWang Nan } 16584ba1faa1SWang Nan 16594ba1faa1SWang Nan return 0; 16604ba1faa1SWang Nan } 16614ba1faa1SWang Nan 16624ba1faa1SWang Nan int exclude_perf(const struct option *opt, 16634ba1faa1SWang Nan const char *arg __maybe_unused, 16644ba1faa1SWang Nan int unset __maybe_unused) 16654ba1faa1SWang Nan { 16664ba1faa1SWang Nan struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; 16674ba1faa1SWang Nan 16684ba1faa1SWang Nan return foreach_evsel_in_last_glob(evlist, add_exclude_perf_filter, 16694ba1faa1SWang Nan NULL); 16704ba1faa1SWang Nan } 16714ba1faa1SWang Nan 167286470930SIngo Molnar static const char * const event_type_descriptors[] = { 167386470930SIngo Molnar "Hardware event", 167486470930SIngo Molnar "Software event", 167586470930SIngo Molnar "Tracepoint event", 167686470930SIngo Molnar "Hardware cache event", 167741bdcb23SLiming Wang "Raw hardware event descriptor", 167841bdcb23SLiming Wang "Hardware breakpoint", 167986470930SIngo Molnar }; 168086470930SIngo Molnar 1681ab0e4800SYunlong Song static int cmp_string(const void *a, const void *b) 1682ab0e4800SYunlong Song { 1683ab0e4800SYunlong Song const char * const *as = a; 1684ab0e4800SYunlong Song const char * const *bs = b; 1685ab0e4800SYunlong Song 1686ab0e4800SYunlong Song return strcmp(*as, *bs); 1687ab0e4800SYunlong Song } 1688ab0e4800SYunlong Song 168986470930SIngo Molnar /* 1690f6bdafefSJason Baron * Print the events from <debugfs_mount_point>/tracing/events 1691f6bdafefSJason Baron */ 1692f6bdafefSJason Baron 1693a3277d2dSFrederic Weisbecker void print_tracepoint_events(const char *subsys_glob, const char *event_glob, 1694a3277d2dSFrederic Weisbecker bool name_only) 1695f6bdafefSJason Baron { 1696f6bdafefSJason Baron DIR *sys_dir, *evt_dir; 1697f6bdafefSJason Baron struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; 1698f6bdafefSJason Baron char evt_path[MAXPATHLEN]; 1699725b1368SEric Dumazet char dir_path[MAXPATHLEN]; 1700ab0e4800SYunlong Song char **evt_list = NULL; 1701ab0e4800SYunlong Song unsigned int evt_i = 0, evt_num = 0; 1702ab0e4800SYunlong Song bool evt_num_known = false; 1703f6bdafefSJason Baron 1704ab0e4800SYunlong Song restart: 1705ebf294bfSArnaldo Carvalho de Melo sys_dir = opendir(tracing_events_path); 1706f6bdafefSJason Baron if (!sys_dir) 1707725b1368SEric Dumazet return; 1708f6bdafefSJason Baron 1709ab0e4800SYunlong Song if (evt_num_known) { 1710ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 1711ab0e4800SYunlong Song if (!evt_list) 1712ab0e4800SYunlong Song goto out_close_sys_dir; 1713ab0e4800SYunlong Song } 1714ab0e4800SYunlong Song 17156b58e7f1SUlrich Drepper for_each_subsystem(sys_dir, sys_dirent, sys_next) { 1716668b8788SArnaldo Carvalho de Melo if (subsys_glob != NULL && 1717668b8788SArnaldo Carvalho de Melo !strglobmatch(sys_dirent.d_name, subsys_glob)) 1718668b8788SArnaldo Carvalho de Melo continue; 1719725b1368SEric Dumazet 1720ebf294bfSArnaldo Carvalho de Melo snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, 1721725b1368SEric Dumazet sys_dirent.d_name); 1722725b1368SEric Dumazet evt_dir = opendir(dir_path); 1723725b1368SEric Dumazet if (!evt_dir) 17246b58e7f1SUlrich Drepper continue; 1725725b1368SEric Dumazet 17266b58e7f1SUlrich Drepper for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { 1727668b8788SArnaldo Carvalho de Melo if (event_glob != NULL && 1728668b8788SArnaldo Carvalho de Melo !strglobmatch(evt_dirent.d_name, event_glob)) 1729668b8788SArnaldo Carvalho de Melo continue; 1730668b8788SArnaldo Carvalho de Melo 1731ab0e4800SYunlong Song if (!evt_num_known) { 1732ab0e4800SYunlong Song evt_num++; 1733a3277d2dSFrederic Weisbecker continue; 1734a3277d2dSFrederic Weisbecker } 1735a3277d2dSFrederic Weisbecker 1736f6bdafefSJason Baron snprintf(evt_path, MAXPATHLEN, "%s:%s", 1737f6bdafefSJason Baron sys_dirent.d_name, evt_dirent.d_name); 1738ab0e4800SYunlong Song 1739ab0e4800SYunlong Song evt_list[evt_i] = strdup(evt_path); 1740ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 1741ab0e4800SYunlong Song goto out_close_evt_dir; 1742ab0e4800SYunlong Song evt_i++; 1743f6bdafefSJason Baron } 1744f6bdafefSJason Baron closedir(evt_dir); 1745f6bdafefSJason Baron } 1746f6bdafefSJason Baron closedir(sys_dir); 1747ab0e4800SYunlong Song 1748ab0e4800SYunlong Song if (!evt_num_known) { 1749ab0e4800SYunlong Song evt_num_known = true; 1750ab0e4800SYunlong Song goto restart; 1751ab0e4800SYunlong Song } 1752ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 1753ab0e4800SYunlong Song evt_i = 0; 1754ab0e4800SYunlong Song while (evt_i < evt_num) { 1755ab0e4800SYunlong Song if (name_only) { 1756ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 1757ab0e4800SYunlong Song continue; 1758ab0e4800SYunlong Song } 1759ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], 1760ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_TRACEPOINT]); 1761ab0e4800SYunlong Song } 1762dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 1763ab0e4800SYunlong Song printf("\n"); 1764ab0e4800SYunlong Song 1765ab0e4800SYunlong Song out_free: 1766ab0e4800SYunlong Song evt_num = evt_i; 1767ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 1768ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 1769ab0e4800SYunlong Song zfree(&evt_list); 1770ab0e4800SYunlong Song return; 1771ab0e4800SYunlong Song 1772ab0e4800SYunlong Song out_close_evt_dir: 1773ab0e4800SYunlong Song closedir(evt_dir); 1774ab0e4800SYunlong Song out_close_sys_dir: 1775ab0e4800SYunlong Song closedir(sys_dir); 1776ab0e4800SYunlong Song 1777ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", 1778ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_TRACEPOINT]); 1779ab0e4800SYunlong Song if (evt_list) 1780ab0e4800SYunlong Song goto out_free; 1781f6bdafefSJason Baron } 1782f6bdafefSJason Baron 1783f6bdafefSJason Baron /* 178420c457b8SThomas Renninger * Check whether event is in <debugfs_mount_point>/tracing/events 178520c457b8SThomas Renninger */ 178620c457b8SThomas Renninger 178720c457b8SThomas Renninger int is_valid_tracepoint(const char *event_string) 178820c457b8SThomas Renninger { 178920c457b8SThomas Renninger DIR *sys_dir, *evt_dir; 179020c457b8SThomas Renninger struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; 179120c457b8SThomas Renninger char evt_path[MAXPATHLEN]; 179220c457b8SThomas Renninger char dir_path[MAXPATHLEN]; 179320c457b8SThomas Renninger 1794ebf294bfSArnaldo Carvalho de Melo sys_dir = opendir(tracing_events_path); 179520c457b8SThomas Renninger if (!sys_dir) 179620c457b8SThomas Renninger return 0; 179720c457b8SThomas Renninger 179820c457b8SThomas Renninger for_each_subsystem(sys_dir, sys_dirent, sys_next) { 179920c457b8SThomas Renninger 1800ebf294bfSArnaldo Carvalho de Melo snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, 180120c457b8SThomas Renninger sys_dirent.d_name); 180220c457b8SThomas Renninger evt_dir = opendir(dir_path); 180320c457b8SThomas Renninger if (!evt_dir) 180420c457b8SThomas Renninger continue; 180520c457b8SThomas Renninger 180620c457b8SThomas Renninger for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { 180720c457b8SThomas Renninger snprintf(evt_path, MAXPATHLEN, "%s:%s", 180820c457b8SThomas Renninger sys_dirent.d_name, evt_dirent.d_name); 180920c457b8SThomas Renninger if (!strcmp(evt_path, event_string)) { 181020c457b8SThomas Renninger closedir(evt_dir); 181120c457b8SThomas Renninger closedir(sys_dir); 181220c457b8SThomas Renninger return 1; 181320c457b8SThomas Renninger } 181420c457b8SThomas Renninger } 181520c457b8SThomas Renninger closedir(evt_dir); 181620c457b8SThomas Renninger } 181720c457b8SThomas Renninger closedir(sys_dir); 181820c457b8SThomas Renninger return 0; 181920c457b8SThomas Renninger } 182020c457b8SThomas Renninger 1821b41f1cecSNamhyung Kim static bool is_event_supported(u8 type, unsigned config) 1822b41f1cecSNamhyung Kim { 1823b41f1cecSNamhyung Kim bool ret = true; 182488fee52eSVince Weaver int open_return; 1825b41f1cecSNamhyung Kim struct perf_evsel *evsel; 1826b41f1cecSNamhyung Kim struct perf_event_attr attr = { 1827b41f1cecSNamhyung Kim .type = type, 1828b41f1cecSNamhyung Kim .config = config, 1829b41f1cecSNamhyung Kim .disabled = 1, 1830b41f1cecSNamhyung Kim }; 1831b41f1cecSNamhyung Kim struct { 1832b41f1cecSNamhyung Kim struct thread_map map; 1833b41f1cecSNamhyung Kim int threads[1]; 1834b41f1cecSNamhyung Kim } tmap = { 1835b41f1cecSNamhyung Kim .map.nr = 1, 1836b41f1cecSNamhyung Kim .threads = { 0 }, 1837b41f1cecSNamhyung Kim }; 1838b41f1cecSNamhyung Kim 1839ef503831SArnaldo Carvalho de Melo evsel = perf_evsel__new(&attr); 1840b41f1cecSNamhyung Kim if (evsel) { 184188fee52eSVince Weaver open_return = perf_evsel__open(evsel, NULL, &tmap.map); 184288fee52eSVince Weaver ret = open_return >= 0; 184388fee52eSVince Weaver 184488fee52eSVince Weaver if (open_return == -EACCES) { 184588fee52eSVince Weaver /* 184688fee52eSVince Weaver * This happens if the paranoid value 184788fee52eSVince Weaver * /proc/sys/kernel/perf_event_paranoid is set to 2 184888fee52eSVince Weaver * Re-run with exclude_kernel set; we don't do that 184988fee52eSVince Weaver * by default as some ARM machines do not support it. 185088fee52eSVince Weaver * 185188fee52eSVince Weaver */ 185288fee52eSVince Weaver evsel->attr.exclude_kernel = 1; 1853b41f1cecSNamhyung Kim ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; 185488fee52eSVince Weaver } 1855b41f1cecSNamhyung Kim perf_evsel__delete(evsel); 1856b41f1cecSNamhyung Kim } 1857b41f1cecSNamhyung Kim 1858b41f1cecSNamhyung Kim return ret; 1859b41f1cecSNamhyung Kim } 1860b41f1cecSNamhyung Kim 1861a3277d2dSFrederic Weisbecker int print_hwcache_events(const char *event_glob, bool name_only) 1862668b8788SArnaldo Carvalho de Melo { 1863ab0e4800SYunlong Song unsigned int type, op, i, evt_i = 0, evt_num = 0; 18640b668bc9SArnaldo Carvalho de Melo char name[64]; 1865ab0e4800SYunlong Song char **evt_list = NULL; 1866ab0e4800SYunlong Song bool evt_num_known = false; 1867ab0e4800SYunlong Song 1868ab0e4800SYunlong Song restart: 1869ab0e4800SYunlong Song if (evt_num_known) { 1870ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 1871ab0e4800SYunlong Song if (!evt_list) 1872ab0e4800SYunlong Song goto out_enomem; 1873ab0e4800SYunlong Song } 1874668b8788SArnaldo Carvalho de Melo 1875668b8788SArnaldo Carvalho de Melo for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { 1876668b8788SArnaldo Carvalho de Melo for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { 1877668b8788SArnaldo Carvalho de Melo /* skip invalid cache type */ 18780b668bc9SArnaldo Carvalho de Melo if (!perf_evsel__is_cache_op_valid(type, op)) 1879668b8788SArnaldo Carvalho de Melo continue; 1880668b8788SArnaldo Carvalho de Melo 1881668b8788SArnaldo Carvalho de Melo for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { 18820b668bc9SArnaldo Carvalho de Melo __perf_evsel__hw_cache_type_op_res_name(type, op, i, 18830b668bc9SArnaldo Carvalho de Melo name, sizeof(name)); 1884947b4ad1SIngo Molnar if (event_glob != NULL && !strglobmatch(name, event_glob)) 1885668b8788SArnaldo Carvalho de Melo continue; 1886668b8788SArnaldo Carvalho de Melo 1887b41f1cecSNamhyung Kim if (!is_event_supported(PERF_TYPE_HW_CACHE, 1888b41f1cecSNamhyung Kim type | (op << 8) | (i << 16))) 1889b41f1cecSNamhyung Kim continue; 1890b41f1cecSNamhyung Kim 1891ab0e4800SYunlong Song if (!evt_num_known) { 1892ab0e4800SYunlong Song evt_num++; 1893ab0e4800SYunlong Song continue; 1894ab0e4800SYunlong Song } 1895ab0e4800SYunlong Song 1896ab0e4800SYunlong Song evt_list[evt_i] = strdup(name); 1897ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 1898ab0e4800SYunlong Song goto out_enomem; 1899ab0e4800SYunlong Song evt_i++; 1900668b8788SArnaldo Carvalho de Melo } 1901668b8788SArnaldo Carvalho de Melo } 1902668b8788SArnaldo Carvalho de Melo } 1903668b8788SArnaldo Carvalho de Melo 1904ab0e4800SYunlong Song if (!evt_num_known) { 1905ab0e4800SYunlong Song evt_num_known = true; 1906ab0e4800SYunlong Song goto restart; 1907ab0e4800SYunlong Song } 1908ab0e4800SYunlong Song qsort(evt_list, evt_num, sizeof(char *), cmp_string); 1909ab0e4800SYunlong Song evt_i = 0; 1910ab0e4800SYunlong Song while (evt_i < evt_num) { 1911ab0e4800SYunlong Song if (name_only) { 1912ab0e4800SYunlong Song printf("%s ", evt_list[evt_i++]); 1913ab0e4800SYunlong Song continue; 1914ab0e4800SYunlong Song } 1915ab0e4800SYunlong Song printf(" %-50s [%s]\n", evt_list[evt_i++], 1916ab0e4800SYunlong Song event_type_descriptors[PERF_TYPE_HW_CACHE]); 1917ab0e4800SYunlong Song } 1918dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 1919dc098b35SAndi Kleen printf("\n"); 1920ab0e4800SYunlong Song 1921ab0e4800SYunlong Song out_free: 1922ab0e4800SYunlong Song evt_num = evt_i; 1923ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 1924ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 1925ab0e4800SYunlong Song zfree(&evt_list); 1926ab0e4800SYunlong Song return evt_num; 1927ab0e4800SYunlong Song 1928ab0e4800SYunlong Song out_enomem: 1929ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); 1930ab0e4800SYunlong Song if (evt_list) 1931ab0e4800SYunlong Song goto out_free; 1932ab0e4800SYunlong Song return evt_num; 1933668b8788SArnaldo Carvalho de Melo } 1934668b8788SArnaldo Carvalho de Melo 1935705750f2SYunlong Song void print_symbol_events(const char *event_glob, unsigned type, 1936a3277d2dSFrederic Weisbecker struct event_symbol *syms, unsigned max, 1937a3277d2dSFrederic Weisbecker bool name_only) 193886470930SIngo Molnar { 1939ab0e4800SYunlong Song unsigned int i, evt_i = 0, evt_num = 0; 1940947b4ad1SIngo Molnar char name[MAX_NAME_LEN]; 1941ab0e4800SYunlong Song char **evt_list = NULL; 1942ab0e4800SYunlong Song bool evt_num_known = false; 1943ab0e4800SYunlong Song 1944ab0e4800SYunlong Song restart: 1945ab0e4800SYunlong Song if (evt_num_known) { 1946ab0e4800SYunlong Song evt_list = zalloc(sizeof(char *) * evt_num); 1947ab0e4800SYunlong Song if (!evt_list) 1948ab0e4800SYunlong Song goto out_enomem; 1949ab0e4800SYunlong Song syms -= max; 1950ab0e4800SYunlong Song } 195186470930SIngo Molnar 19521dc12760SJiri Olsa for (i = 0; i < max; i++, syms++) { 1953668b8788SArnaldo Carvalho de Melo 1954e37df6c7SArnaldo Carvalho de Melo if (event_glob != NULL && syms->symbol != NULL && 1955668b8788SArnaldo Carvalho de Melo !(strglobmatch(syms->symbol, event_glob) || 1956668b8788SArnaldo Carvalho de Melo (syms->alias && strglobmatch(syms->alias, event_glob)))) 1957668b8788SArnaldo Carvalho de Melo continue; 195886470930SIngo Molnar 1959b41f1cecSNamhyung Kim if (!is_event_supported(type, i)) 1960b41f1cecSNamhyung Kim continue; 1961b41f1cecSNamhyung Kim 1962ab0e4800SYunlong Song if (!evt_num_known) { 1963ab0e4800SYunlong Song evt_num++; 1964a3277d2dSFrederic Weisbecker continue; 1965a3277d2dSFrederic Weisbecker } 1966a3277d2dSFrederic Weisbecker 1967ab0e4800SYunlong Song if (!name_only && strlen(syms->alias)) 1968947b4ad1SIngo Molnar snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); 196974d5b588SJaswinder Singh Rajput else 1970947b4ad1SIngo Molnar strncpy(name, syms->symbol, MAX_NAME_LEN); 197186470930SIngo Molnar 1972ab0e4800SYunlong Song evt_list[evt_i] = strdup(name); 1973ab0e4800SYunlong Song if (evt_list[evt_i] == NULL) 1974ab0e4800SYunlong Song goto out_enomem; 1975ab0e4800SYunlong Song evt_i++; 197686470930SIngo Molnar } 197786470930SIngo Molnar 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++], event_type_descriptors[type]); 1990ab0e4800SYunlong Song } 1991dfc431cbSArnaldo Carvalho de Melo if (evt_num && pager_in_use()) 1992689d3018SMarti Raudsepp printf("\n"); 1993ab0e4800SYunlong Song 1994ab0e4800SYunlong Song out_free: 1995ab0e4800SYunlong Song evt_num = evt_i; 1996ab0e4800SYunlong Song for (evt_i = 0; evt_i < evt_num; evt_i++) 1997ab0e4800SYunlong Song zfree(&evt_list[evt_i]); 1998ab0e4800SYunlong Song zfree(&evt_list); 1999ab0e4800SYunlong Song return; 2000ab0e4800SYunlong Song 2001ab0e4800SYunlong Song out_enomem: 2002ab0e4800SYunlong Song printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); 2003ab0e4800SYunlong Song if (evt_list) 2004ab0e4800SYunlong Song goto out_free; 2005668b8788SArnaldo Carvalho de Melo } 20061dc12760SJiri Olsa 20071dc12760SJiri Olsa /* 20081dc12760SJiri Olsa * Print the help text for the event symbols: 20091dc12760SJiri Olsa */ 2010a3277d2dSFrederic Weisbecker void print_events(const char *event_glob, bool name_only) 20111dc12760SJiri Olsa { 20121dc12760SJiri Olsa print_symbol_events(event_glob, PERF_TYPE_HARDWARE, 2013a3277d2dSFrederic Weisbecker event_symbols_hw, PERF_COUNT_HW_MAX, name_only); 20141dc12760SJiri Olsa 20151dc12760SJiri Olsa print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, 2016a3277d2dSFrederic Weisbecker event_symbols_sw, PERF_COUNT_SW_MAX, name_only); 20171dc12760SJiri Olsa 2018a3277d2dSFrederic Weisbecker print_hwcache_events(event_glob, name_only); 201973c24cb8SJaswinder Singh Rajput 2020dc098b35SAndi Kleen print_pmu_events(event_glob, name_only); 2021dc098b35SAndi Kleen 2022668b8788SArnaldo Carvalho de Melo if (event_glob != NULL) 2023668b8788SArnaldo Carvalho de Melo return; 202473c24cb8SJaswinder Singh Rajput 2025a3277d2dSFrederic Weisbecker if (!name_only) { 2026947b4ad1SIngo Molnar printf(" %-50s [%s]\n", 20275f537a26SJiri Olsa "rNNN", 20281cf4a063SArnaldo Carvalho de Melo event_type_descriptors[PERF_TYPE_RAW]); 20295f537a26SJiri Olsa printf(" %-50s [%s]\n", 20305f537a26SJiri Olsa "cpu/t1=v1[,t2=v2,t3 ...]/modifier", 20315f537a26SJiri Olsa event_type_descriptors[PERF_TYPE_RAW]); 2032dfc431cbSArnaldo Carvalho de Melo if (pager_in_use()) 2033dfc431cbSArnaldo Carvalho de Melo printf(" (see 'man perf-list' on how to encode it)\n\n"); 203486470930SIngo Molnar 2035947b4ad1SIngo Molnar printf(" %-50s [%s]\n", 20363741eb9fSJacob Shin "mem:<addr>[/len][:access]", 203741bdcb23SLiming Wang event_type_descriptors[PERF_TYPE_BREAKPOINT]); 2038dfc431cbSArnaldo Carvalho de Melo if (pager_in_use()) 20391b290d67SFrederic Weisbecker printf("\n"); 2040a3277d2dSFrederic Weisbecker } 20411b290d67SFrederic Weisbecker 2042a3277d2dSFrederic Weisbecker print_tracepoint_events(NULL, NULL, name_only); 204386470930SIngo Molnar } 20448f707d84SJiri Olsa 20456cee6cd3SArnaldo Carvalho de Melo int parse_events__is_hardcoded_term(struct parse_events_term *term) 20468f707d84SJiri Olsa { 204716fa7e82SJiri Olsa return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; 20488f707d84SJiri Olsa } 20498f707d84SJiri Olsa 20506cee6cd3SArnaldo Carvalho de Melo static int new_term(struct parse_events_term **_term, int type_val, 205116fa7e82SJiri Olsa int type_term, char *config, 2052cecf3a2eSJiri Olsa char *str, u64 num, int err_term, int err_val) 20538f707d84SJiri Olsa { 20546cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term; 20558f707d84SJiri Olsa 20568f707d84SJiri Olsa term = zalloc(sizeof(*term)); 20578f707d84SJiri Olsa if (!term) 20588f707d84SJiri Olsa return -ENOMEM; 20598f707d84SJiri Olsa 20608f707d84SJiri Olsa INIT_LIST_HEAD(&term->list); 206116fa7e82SJiri Olsa term->type_val = type_val; 206216fa7e82SJiri Olsa term->type_term = type_term; 20638f707d84SJiri Olsa term->config = config; 2064cecf3a2eSJiri Olsa term->err_term = err_term; 2065cecf3a2eSJiri Olsa term->err_val = err_val; 20668f707d84SJiri Olsa 206716fa7e82SJiri Olsa switch (type_val) { 20688f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_NUM: 20698f707d84SJiri Olsa term->val.num = num; 20708f707d84SJiri Olsa break; 20718f707d84SJiri Olsa case PARSE_EVENTS__TERM_TYPE_STR: 20728f707d84SJiri Olsa term->val.str = str; 20738f707d84SJiri Olsa break; 20748f707d84SJiri Olsa default: 20754be8be6bSAdrian Hunter free(term); 20768f707d84SJiri Olsa return -EINVAL; 20778f707d84SJiri Olsa } 20788f707d84SJiri Olsa 20798f707d84SJiri Olsa *_term = term; 20808f707d84SJiri Olsa return 0; 20818f707d84SJiri Olsa } 20828f707d84SJiri Olsa 20836cee6cd3SArnaldo Carvalho de Melo int parse_events_term__num(struct parse_events_term **term, 2084cecf3a2eSJiri Olsa int type_term, char *config, u64 num, 2085bb78ce7dSAdrian Hunter void *loc_term_, void *loc_val_) 208616fa7e82SJiri Olsa { 2087bb78ce7dSAdrian Hunter YYLTYPE *loc_term = loc_term_; 2088bb78ce7dSAdrian Hunter YYLTYPE *loc_val = loc_val_; 2089bb78ce7dSAdrian Hunter 209016fa7e82SJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, 2091cecf3a2eSJiri Olsa config, NULL, num, 2092cecf3a2eSJiri Olsa loc_term ? loc_term->first_column : 0, 2093cecf3a2eSJiri Olsa loc_val ? loc_val->first_column : 0); 209416fa7e82SJiri Olsa } 209516fa7e82SJiri Olsa 20966cee6cd3SArnaldo Carvalho de Melo int parse_events_term__str(struct parse_events_term **term, 2097cecf3a2eSJiri Olsa int type_term, char *config, char *str, 2098bb78ce7dSAdrian Hunter void *loc_term_, void *loc_val_) 209916fa7e82SJiri Olsa { 2100bb78ce7dSAdrian Hunter YYLTYPE *loc_term = loc_term_; 2101bb78ce7dSAdrian Hunter YYLTYPE *loc_val = loc_val_; 2102bb78ce7dSAdrian Hunter 210316fa7e82SJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, 2104cecf3a2eSJiri Olsa config, str, 0, 2105cecf3a2eSJiri Olsa loc_term ? loc_term->first_column : 0, 2106cecf3a2eSJiri Olsa loc_val ? loc_val->first_column : 0); 210716fa7e82SJiri Olsa } 210816fa7e82SJiri Olsa 21096cee6cd3SArnaldo Carvalho de Melo int parse_events_term__sym_hw(struct parse_events_term **term, 21101d33d6dcSJiri Olsa char *config, unsigned idx) 21111d33d6dcSJiri Olsa { 21121d33d6dcSJiri Olsa struct event_symbol *sym; 21131d33d6dcSJiri Olsa 21141d33d6dcSJiri Olsa BUG_ON(idx >= PERF_COUNT_HW_MAX); 21151d33d6dcSJiri Olsa sym = &event_symbols_hw[idx]; 21161d33d6dcSJiri Olsa 21171d33d6dcSJiri Olsa if (config) 21181d33d6dcSJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, 21191d33d6dcSJiri Olsa PARSE_EVENTS__TERM_TYPE_USER, config, 2120cecf3a2eSJiri Olsa (char *) sym->symbol, 0, 0, 0); 21211d33d6dcSJiri Olsa else 21221d33d6dcSJiri Olsa return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, 21231d33d6dcSJiri Olsa PARSE_EVENTS__TERM_TYPE_USER, 2124cecf3a2eSJiri Olsa (char *) "event", (char *) sym->symbol, 2125cecf3a2eSJiri Olsa 0, 0, 0); 21261d33d6dcSJiri Olsa } 21271d33d6dcSJiri Olsa 21286cee6cd3SArnaldo Carvalho de Melo int parse_events_term__clone(struct parse_events_term **new, 21296cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term) 2130a6146d50SZheng Yan { 2131a6146d50SZheng Yan return new_term(new, term->type_val, term->type_term, term->config, 2132cecf3a2eSJiri Olsa term->val.str, term->val.num, 2133cecf3a2eSJiri Olsa term->err_term, term->err_val); 2134a6146d50SZheng Yan } 2135a6146d50SZheng Yan 2136fc0a2c1dSArnaldo Carvalho de Melo void parse_events_terms__purge(struct list_head *terms) 21378f707d84SJiri Olsa { 21386cee6cd3SArnaldo Carvalho de Melo struct parse_events_term *term, *h; 21398f707d84SJiri Olsa 2140a8adfcebSWang Nan list_for_each_entry_safe(term, h, terms, list) { 2141a8adfcebSWang Nan list_del_init(&term->list); 21428f707d84SJiri Olsa free(term); 21438f707d84SJiri Olsa } 2144a8adfcebSWang Nan } 2145b39b8393SJiri Olsa 21462146afc6SArnaldo Carvalho de Melo void parse_events_terms__delete(struct list_head *terms) 2147fc0a2c1dSArnaldo Carvalho de Melo { 21482146afc6SArnaldo Carvalho de Melo if (!terms) 21492146afc6SArnaldo Carvalho de Melo return; 2150fc0a2c1dSArnaldo Carvalho de Melo parse_events_terms__purge(terms); 2151d20a5f2bSWang Nan free(terms); 2152fc0a2c1dSArnaldo Carvalho de Melo } 2153fc0a2c1dSArnaldo Carvalho de Melo 2154b39b8393SJiri Olsa void parse_events_evlist_error(struct parse_events_evlist *data, 2155b39b8393SJiri Olsa int idx, const char *str) 2156b39b8393SJiri Olsa { 2157b39b8393SJiri Olsa struct parse_events_error *err = data->error; 2158b39b8393SJiri Olsa 2159a6ced2beSAdrian Hunter if (!err) 2160a6ced2beSAdrian Hunter return; 2161b39b8393SJiri Olsa err->idx = idx; 2162b39b8393SJiri Olsa err->str = strdup(str); 2163b39b8393SJiri Olsa WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); 2164b39b8393SJiri Olsa } 2165ffeb883eSHe Kuang 216617cb5f84SWang Nan static void config_terms_list(char *buf, size_t buf_sz) 216717cb5f84SWang Nan { 216817cb5f84SWang Nan int i; 216917cb5f84SWang Nan bool first = true; 217017cb5f84SWang Nan 217117cb5f84SWang Nan buf[0] = '\0'; 217217cb5f84SWang Nan for (i = 0; i < __PARSE_EVENTS__TERM_TYPE_NR; i++) { 217317cb5f84SWang Nan const char *name = config_term_names[i]; 217417cb5f84SWang Nan 21751669e509SWang Nan if (!config_term_avail(i, NULL)) 21761669e509SWang Nan continue; 217717cb5f84SWang Nan if (!name) 217817cb5f84SWang Nan continue; 217917cb5f84SWang Nan if (name[0] == '<') 218017cb5f84SWang Nan continue; 218117cb5f84SWang Nan 218217cb5f84SWang Nan if (strlen(buf) + strlen(name) + 2 >= buf_sz) 218317cb5f84SWang Nan return; 218417cb5f84SWang Nan 218517cb5f84SWang Nan if (!first) 218617cb5f84SWang Nan strcat(buf, ","); 218717cb5f84SWang Nan else 218817cb5f84SWang Nan first = false; 218917cb5f84SWang Nan strcat(buf, name); 219017cb5f84SWang Nan } 219117cb5f84SWang Nan } 219217cb5f84SWang Nan 2193ffeb883eSHe Kuang /* 2194ffeb883eSHe Kuang * Return string contains valid config terms of an event. 2195ffeb883eSHe Kuang * @additional_terms: For terms such as PMU sysfs terms. 2196ffeb883eSHe Kuang */ 2197ffeb883eSHe Kuang char *parse_events_formats_error_string(char *additional_terms) 2198ffeb883eSHe Kuang { 2199ffeb883eSHe Kuang char *str; 220017cb5f84SWang Nan /* "branch_type" is the longest name */ 220117cb5f84SWang Nan char static_terms[__PARSE_EVENTS__TERM_TYPE_NR * 220217cb5f84SWang Nan (sizeof("branch_type") - 1)]; 2203ffeb883eSHe Kuang 220417cb5f84SWang Nan config_terms_list(static_terms, sizeof(static_terms)); 2205ffeb883eSHe Kuang /* valid terms */ 2206ffeb883eSHe Kuang if (additional_terms) { 220726dee028SWang Nan if (asprintf(&str, "valid terms: %s,%s", 220826dee028SWang Nan additional_terms, static_terms) < 0) 2209ffeb883eSHe Kuang goto fail; 2210ffeb883eSHe Kuang } else { 221126dee028SWang Nan if (asprintf(&str, "valid terms: %s", static_terms) < 0) 2212ffeb883eSHe Kuang goto fail; 2213ffeb883eSHe Kuang } 2214ffeb883eSHe Kuang return str; 2215ffeb883eSHe Kuang 2216ffeb883eSHe Kuang fail: 2217ffeb883eSHe Kuang return NULL; 2218ffeb883eSHe Kuang } 2219