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-rw-r--r--tools/perf/util/parse-events.c46
1 files changed, 16 insertions, 30 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index bf5d033ee1b..aed38e4b9df 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -356,42 +356,28 @@ int parse_events_add_cache(struct list_head **list, int *idx,
return add_event(list, idx, &attr, name);
}
-static int add_tracepoint(struct list_head **list, int *idx,
+static int add_tracepoint(struct list_head **listp, int *idx,
char *sys_name, char *evt_name)
{
- struct perf_event_attr attr;
- char name[MAX_NAME_LEN];
- char evt_path[MAXPATHLEN];
- char id_buf[4];
- u64 id;
- int fd;
-
- snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path,
- sys_name, evt_name);
-
- fd = open(evt_path, O_RDONLY);
- if (fd < 0)
- return -1;
+ struct perf_evsel *evsel;
+ struct list_head *list = *listp;
- if (read(fd, id_buf, sizeof(id_buf)) < 0) {
- close(fd);
- return -1;
+ if (!list) {
+ list = malloc(sizeof(*list));
+ if (!list)
+ return -ENOMEM;
+ INIT_LIST_HEAD(list);
}
- close(fd);
- id = atoll(id_buf);
-
- memset(&attr, 0, sizeof(attr));
- attr.config = id;
- attr.type = PERF_TYPE_TRACEPOINT;
- attr.sample_type |= PERF_SAMPLE_RAW;
- attr.sample_type |= PERF_SAMPLE_TIME;
- attr.sample_type |= PERF_SAMPLE_CPU;
- attr.sample_type |= PERF_SAMPLE_PERIOD;
- attr.sample_period = 1;
+ evsel = perf_evsel__newtp(sys_name, evt_name, (*idx)++);
+ if (!evsel) {
+ free(list);
+ return -ENOMEM;
+ }
- snprintf(name, MAX_NAME_LEN, "%s:%s", sys_name, evt_name);
- return add_event(list, idx, &attr, name);
+ list_add_tail(&evsel->node, list);
+ *listp = list;
+ return 0;
}
static int add_tracepoint_multi(struct list_head **list, int *idx,