diff options
Diffstat (limited to 'tools/perf/util/parse-events.c')
| -rw-r--r-- | tools/perf/util/parse-events.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index a9bdcab8c070..89172fd0038b 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -6,6 +6,7 @@ #include "exec_cmd.h" #include "string.h" #include "cache.h" +#include "header.h" int nr_counters; @@ -687,11 +688,35 @@ modifier: return ret; } +static void store_event_type(const char *orgname) +{ + char filename[PATH_MAX], *c; + FILE *file; + int id; + + sprintf(filename, "/sys/kernel/debug/tracing/events/%s/id", orgname); + c = strchr(filename, ':'); + if (c) + *c = '/'; + + file = fopen(filename, "r"); + if (!file) + return; + if (fscanf(file, "%i", &id) < 1) + die("cannot store event ID"); + fclose(file); + perf_header__push_event(id, orgname); +} + + int parse_events(const struct option *opt __used, const char *str, int unset __used) { struct perf_counter_attr attr; enum event_result ret; + if (strchr(str, ':')) + store_event_type(str); + for (;;) { if (nr_counters == MAX_COUNTERS) return -1; |