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-rw-r--r--tools/perf/util/parse-events.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index a9bdcab..89172fd 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;
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