diff options
Diffstat (limited to 'tools/perf/util/parse-events.c')
| -rw-r--r-- | tools/perf/util/parse-events.c | 200 |
1 files changed, 171 insertions, 29 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index bcbc983d4b12..4e778eae1510 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -20,6 +20,7 @@ #include "pmu.h" #include "thread_map.h" #include "cpumap.h" +#include "probe-file.h" #include "asm/bug.h" #define MAX_NAME_LEN 100 @@ -436,7 +437,7 @@ int parse_events_add_cache(struct list_head *list, int *idx, } static void tracepoint_error(struct parse_events_error *e, int err, - char *sys, char *name) + const char *sys, const char *name) { char help[BUFSIZ]; @@ -466,7 +467,7 @@ static void tracepoint_error(struct parse_events_error *e, int err, } static int add_tracepoint(struct list_head *list, int *idx, - char *sys_name, char *evt_name, + const char *sys_name, const char *evt_name, struct parse_events_error *err, struct list_head *head_config) { @@ -491,7 +492,7 @@ static int add_tracepoint(struct list_head *list, int *idx, } static int add_tracepoint_multi_event(struct list_head *list, int *idx, - char *sys_name, char *evt_name, + const char *sys_name, const char *evt_name, struct parse_events_error *err, struct list_head *head_config) { @@ -533,7 +534,7 @@ static int add_tracepoint_multi_event(struct list_head *list, int *idx, } static int add_tracepoint_event(struct list_head *list, int *idx, - char *sys_name, char *evt_name, + const char *sys_name, const char *evt_name, struct parse_events_error *err, struct list_head *head_config) { @@ -545,7 +546,7 @@ static int add_tracepoint_event(struct list_head *list, int *idx, } static int add_tracepoint_multi_sys(struct list_head *list, int *idx, - char *sys_name, char *evt_name, + const char *sys_name, const char *evt_name, struct parse_events_error *err, struct list_head *head_config) { @@ -584,7 +585,7 @@ struct __add_bpf_event_param { struct list_head *head_config; }; -static int add_bpf_event(struct probe_trace_event *tev, int fd, +static int add_bpf_event(const char *group, const char *event, int fd, void *_param) { LIST_HEAD(new_evsels); @@ -595,27 +596,27 @@ static int add_bpf_event(struct probe_trace_event *tev, int fd, int err; pr_debug("add bpf event %s:%s and attach bpf program %d\n", - tev->group, tev->event, fd); + group, event, fd); - err = parse_events_add_tracepoint(&new_evsels, &evlist->idx, tev->group, - tev->event, evlist->error, + err = parse_events_add_tracepoint(&new_evsels, &evlist->idx, group, + event, evlist->error, param->head_config); if (err) { struct perf_evsel *evsel, *tmp; pr_debug("Failed to add BPF event %s:%s\n", - tev->group, tev->event); + group, event); list_for_each_entry_safe(evsel, tmp, &new_evsels, node) { list_del(&evsel->node); perf_evsel__delete(evsel); } return err; } - pr_debug("adding %s:%s\n", tev->group, tev->event); + pr_debug("adding %s:%s\n", group, event); list_for_each_entry(pos, &new_evsels, node) { pr_debug("adding %s:%s to %p\n", - tev->group, tev->event, pos); + group, event, pos); pos->bpf_fd = fd; } list_splice(&new_evsels, list); @@ -661,7 +662,7 @@ int parse_events_load_bpf_obj(struct parse_events_evlist *data, goto errout; } - err = bpf__foreach_tev(obj, add_bpf_event, ¶m); + err = bpf__foreach_event(obj, add_bpf_event, ¶m); if (err) { snprintf(errbuf, sizeof(errbuf), "Attach events in BPF object failed"); @@ -900,6 +901,10 @@ static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = { [PARSE_EVENTS__TERM_TYPE_STACKSIZE] = "stack-size", [PARSE_EVENTS__TERM_TYPE_NOINHERIT] = "no-inherit", [PARSE_EVENTS__TERM_TYPE_INHERIT] = "inherit", + [PARSE_EVENTS__TERM_TYPE_MAX_STACK] = "max-stack", + [PARSE_EVENTS__TERM_TYPE_OVERWRITE] = "overwrite", + [PARSE_EVENTS__TERM_TYPE_NOOVERWRITE] = "no-overwrite", + [PARSE_EVENTS__TERM_TYPE_DRV_CFG] = "driver-config", }; static bool config_term_shrinked; @@ -919,6 +924,7 @@ config_term_avail(int term_type, struct parse_events_error *err) case PARSE_EVENTS__TERM_TYPE_CONFIG1: case PARSE_EVENTS__TERM_TYPE_CONFIG2: case PARSE_EVENTS__TERM_TYPE_NAME: + case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: return true; default: if (!err) @@ -992,9 +998,18 @@ do { \ case PARSE_EVENTS__TERM_TYPE_NOINHERIT: CHECK_TYPE_VAL(NUM); break; + case PARSE_EVENTS__TERM_TYPE_OVERWRITE: + CHECK_TYPE_VAL(NUM); + break; + case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: + CHECK_TYPE_VAL(NUM); + break; case PARSE_EVENTS__TERM_TYPE_NAME: CHECK_TYPE_VAL(STR); break; + case PARSE_EVENTS__TERM_TYPE_MAX_STACK: + CHECK_TYPE_VAL(NUM); + break; default: err->str = strdup("unknown term"); err->idx = term->err_term; @@ -1021,7 +1036,8 @@ static int config_term_pmu(struct perf_event_attr *attr, struct parse_events_term *term, struct parse_events_error *err) { - if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER) + if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER || + term->type_term == PARSE_EVENTS__TERM_TYPE_DRV_CFG) /* * Always succeed for sysfs terms, as we dont know * at this point what type they need to have. @@ -1040,6 +1056,9 @@ static int config_term_tracepoint(struct perf_event_attr *attr, case PARSE_EVENTS__TERM_TYPE_STACKSIZE: case PARSE_EVENTS__TERM_TYPE_INHERIT: case PARSE_EVENTS__TERM_TYPE_NOINHERIT: + case PARSE_EVENTS__TERM_TYPE_MAX_STACK: + case PARSE_EVENTS__TERM_TYPE_OVERWRITE: + case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: return config_term_common(attr, term, err); default: if (err) { @@ -1109,6 +1128,18 @@ do { \ case PARSE_EVENTS__TERM_TYPE_NOINHERIT: ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 0 : 1); break; + case PARSE_EVENTS__TERM_TYPE_MAX_STACK: + ADD_CONFIG_TERM(MAX_STACK, max_stack, term->val.num); + break; + case PARSE_EVENTS__TERM_TYPE_OVERWRITE: + ADD_CONFIG_TERM(OVERWRITE, overwrite, term->val.num ? 1 : 0); + break; + case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: + ADD_CONFIG_TERM(OVERWRITE, overwrite, term->val.num ? 0 : 1); + break; + case PARSE_EVENTS__TERM_TYPE_DRV_CFG: + ADD_CONFIG_TERM(DRV_CFG, drv_cfg, term->val.str); + break; default: break; } @@ -1118,7 +1149,7 @@ do { \ } int parse_events_add_tracepoint(struct list_head *list, int *idx, - char *sys, char *event, + const char *sys, const char *event, struct parse_events_error *err, struct list_head *head_config) { @@ -1388,7 +1419,7 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add) if (!add && get_event_modifier(&mod, str, NULL)) return -EINVAL; - __evlist__for_each(list, evsel) { + __evlist__for_each_entry(list, evsel) { if (add && get_event_modifier(&mod, str, evsel)) return -EINVAL; @@ -1414,7 +1445,7 @@ int parse_events_name(struct list_head *list, char *name) { struct perf_evsel *evsel; - __evlist__for_each(list, evsel) { + __evlist__for_each_entry(list, evsel) { if (!evsel->name) evsel->name = strdup(name); } @@ -1428,7 +1459,7 @@ comp_pmu(const void *p1, const void *p2) struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; - return strcmp(pmu1->symbol, pmu2->symbol); + return strcasecmp(pmu1->symbol, pmu2->symbol); } static void perf_pmu__parse_cleanup(void) @@ -1649,7 +1680,7 @@ static void parse_events_print_error(struct parse_events_error *err, buf = _buf; - /* We're cutting from the beggining. */ + /* We're cutting from the beginning. */ if (err->idx > max_err_idx) cut = err->idx - max_err_idx; @@ -1730,20 +1761,49 @@ foreach_evsel_in_last_glob(struct perf_evlist *evlist, static int set_filter(struct perf_evsel *evsel, const void *arg) { const char *str = arg; + bool found = false; + int nr_addr_filters = 0; + struct perf_pmu *pmu = NULL; - if (evsel == NULL || evsel->attr.type != PERF_TYPE_TRACEPOINT) { - fprintf(stderr, - "--filter option should follow a -e tracepoint option\n"); - return -1; + if (evsel == NULL) + goto err; + + if (evsel->attr.type == PERF_TYPE_TRACEPOINT) { + if (perf_evsel__append_tp_filter(evsel, str) < 0) { + fprintf(stderr, + "not enough memory to hold filter string\n"); + return -1; + } + + return 0; } - if (perf_evsel__append_filter(evsel, "&&", str) < 0) { + while ((pmu = perf_pmu__scan(pmu)) != NULL) + if (pmu->type == evsel->attr.type) { + found = true; + break; + } + + if (found) + perf_pmu__scan_file(pmu, "nr_addr_filters", + "%d", &nr_addr_filters); + + if (!nr_addr_filters) + goto err; + + if (perf_evsel__append_addr_filter(evsel, str) < 0) { fprintf(stderr, "not enough memory to hold filter string\n"); return -1; } return 0; + +err: + fprintf(stderr, + "--filter option should follow a -e tracepoint or HW tracer option\n"); + + return -1; } int parse_filter(const struct option *opt, const char *str, @@ -1768,7 +1828,7 @@ static int add_exclude_perf_filter(struct perf_evsel *evsel, snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid()); - if (perf_evsel__append_filter(evsel, "&&", new_filter) < 0) { + if (perf_evsel__append_tp_filter(evsel, new_filter) < 0) { fprintf(stderr, "not enough memory to hold filter string\n"); return -1; @@ -1976,6 +2036,85 @@ static bool is_event_supported(u8 type, unsigned config) return ret; } +void print_sdt_events(const char *subsys_glob, const char *event_glob, + bool name_only) +{ + struct probe_cache *pcache; + struct probe_cache_entry *ent; + struct strlist *bidlist, *sdtlist; + struct strlist_config cfg = {.dont_dupstr = true}; + struct str_node *nd, *nd2; + char *buf, *path, *ptr = NULL; + bool show_detail = false; + int ret; + + sdtlist = strlist__new(NULL, &cfg); + if (!sdtlist) { + pr_debug("Failed to allocate new strlist for SDT\n"); + return; + } + bidlist = build_id_cache__list_all(true); + if (!bidlist) { + pr_debug("Failed to get buildids: %d\n", errno); + return; + } + strlist__for_each_entry(nd, bidlist) { + pcache = probe_cache__new(nd->s); + if (!pcache) + continue; + list_for_each_entry(ent, &pcache->entries, node) { + if (!ent->sdt) + continue; + if (subsys_glob && + !strglobmatch(ent->pev.group, subsys_glob)) + continue; + if (event_glob && + !strglobmatch(ent->pev.event, event_glob)) + continue; + ret = asprintf(&buf, "%s:%s@%s", ent->pev.group, + ent->pev.event, nd->s); + if (ret > 0) + strlist__add(sdtlist, buf); + } + probe_cache__delete(pcache); + } + strlist__delete(bidlist); + + strlist__for_each_entry(nd, sdtlist) { + buf = strchr(nd->s, '@'); + if (buf) + *(buf++) = '\0'; + if (name_only) { + printf("%s ", nd->s); + continue; + } + nd2 = strlist__next(nd); + if (nd2) { + ptr = strchr(nd2->s, '@'); + if (ptr) + *ptr = '\0'; + if (strcmp(nd->s, nd2->s) == 0) + show_detail = true; + } + if (show_detail) { + path = build_id_cache__origname(buf); + ret = asprintf(&buf, "%s@%s(%.12s)", nd->s, path, buf); + if (ret > 0) { + printf(" %-50s [%s]\n", buf, "SDT event"); + free(buf); + } + } else + printf(" %-50s [%s]\n", nd->s, "SDT event"); + if (nd2) { + if (strcmp(nd->s, nd2->s) != 0) + show_detail = false; + if (ptr) + *ptr = '@'; + } + } + strlist__delete(sdtlist); +} + int print_hwcache_events(const char *event_glob, bool name_only) { unsigned int type, op, i, evt_i = 0, evt_num = 0; @@ -2125,7 +2264,8 @@ out_enomem: /* * Print the help text for the event symbols: */ -void print_events(const char *event_glob, bool name_only) +void print_events(const char *event_glob, bool name_only, bool quiet_flag, + bool long_desc) { print_symbol_events(event_glob, PERF_TYPE_HARDWARE, event_symbols_hw, PERF_COUNT_HW_MAX, name_only); @@ -2135,7 +2275,7 @@ void print_events(const char *event_glob, bool name_only) print_hwcache_events(event_glob, name_only); - print_pmu_events(event_glob, name_only); + print_pmu_events(event_glob, name_only, quiet_flag, long_desc); if (event_glob != NULL) return; @@ -2158,6 +2298,8 @@ void print_events(const char *event_glob, bool name_only) } print_tracepoint_events(NULL, NULL, name_only); + + print_sdt_events(NULL, NULL, name_only); } int parse_events__is_hardcoded_term(struct parse_events_term *term) @@ -2322,9 +2464,9 @@ static void config_terms_list(char *buf, size_t buf_sz) char *parse_events_formats_error_string(char *additional_terms) { char *str; - /* "branch_type" is the longest name */ + /* "no-overwrite" is the longest name */ char static_terms[__PARSE_EVENTS__TERM_TYPE_NR * - (sizeof("branch_type") - 1)]; + (sizeof("no-overwrite") - 1)]; config_terms_list(static_terms, sizeof(static_terms)); /* valid terms */ |