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Diffstat (limited to 'tools/perf/util/evlist.c')
-rw-r--r--tools/perf/util/evlist.c88
1 files changed, 10 insertions, 78 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index ae89686102f4..186b87730396 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -154,8 +154,8 @@ error:
return -ENOMEM;
}
-int perf_evlist__add_attrs(struct perf_evlist *evlist,
- struct perf_event_attr *attrs, size_t nr_attrs)
+static int perf_evlist__add_attrs(struct perf_evlist *evlist,
+ struct perf_event_attr *attrs, size_t nr_attrs)
{
struct perf_evsel *evsel, *n;
LIST_HEAD(head);
@@ -189,60 +189,6 @@ int __perf_evlist__add_default_attrs(struct perf_evlist *evlist,
return perf_evlist__add_attrs(evlist, attrs, nr_attrs);
}
-static int trace_event__id(const char *evname)
-{
- char *filename, *colon;
- int err = -1, fd;
-
- if (asprintf(&filename, "%s/%s/id", tracing_events_path, evname) < 0)
- return -1;
-
- colon = strrchr(filename, ':');
- if (colon != NULL)
- *colon = '/';
-
- fd = open(filename, O_RDONLY);
- if (fd >= 0) {
- char id[16];
- if (read(fd, id, sizeof(id)) > 0)
- err = atoi(id);
- close(fd);
- }
-
- free(filename);
- return err;
-}
-
-int perf_evlist__add_tracepoints(struct perf_evlist *evlist,
- const char *tracepoints[],
- size_t nr_tracepoints)
-{
- int err;
- size_t i;
- struct perf_event_attr *attrs = zalloc(nr_tracepoints * sizeof(*attrs));
-
- if (attrs == NULL)
- return -1;
-
- for (i = 0; i < nr_tracepoints; i++) {
- err = trace_event__id(tracepoints[i]);
-
- if (err < 0)
- goto out_free_attrs;
-
- attrs[i].type = PERF_TYPE_TRACEPOINT;
- attrs[i].config = err;
- attrs[i].sample_type = (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
- PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD);
- attrs[i].sample_period = 1;
- }
-
- err = perf_evlist__add_attrs(evlist, attrs, nr_tracepoints);
-out_free_attrs:
- free(attrs);
- return err;
-}
-
struct perf_evsel *
perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id)
{
@@ -257,32 +203,18 @@ perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id)
return NULL;
}
-int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist,
- const struct perf_evsel_str_handler *assocs,
- size_t nr_assocs)
+int perf_evlist__add_newtp(struct perf_evlist *evlist,
+ const char *sys, const char *name, void *handler)
{
struct perf_evsel *evsel;
- int err;
- size_t i;
-
- for (i = 0; i < nr_assocs; i++) {
- err = trace_event__id(assocs[i].name);
- if (err < 0)
- goto out;
-
- evsel = perf_evlist__find_tracepoint_by_id(evlist, err);
- if (evsel == NULL)
- continue;
- err = -EEXIST;
- if (evsel->handler.func != NULL)
- goto out;
- evsel->handler.func = assocs[i].handler;
- }
+ evsel = perf_evsel__newtp(sys, name, evlist->nr_entries);
+ if (evsel == NULL)
+ return -1;
- err = 0;
-out:
- return err;
+ evsel->handler.func = handler;
+ perf_evlist__add(evlist, evsel);
+ return 0;
}
void perf_evlist__disable(struct perf_evlist *evlist)