struct evsel *evsel;
int err = 0;
+ if (filter == NULL)
+ return -1;
+
evlist__for_each_entry(evlist, evsel) {
if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
continue;
return err;
}
-int perf_evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids)
+static char *asprintf__tp_filter_pids(size_t npids, pid_t *pids)
{
char *filter;
- int ret = -1;
size_t i;
for (i = 0; i < npids; ++i) {
if (i == 0) {
if (asprintf(&filter, "common_pid != %d", pids[i]) < 0)
- return -1;
+ return NULL;
} else {
char *tmp;
}
}
- ret = perf_evlist__set_tp_filter(evlist, filter);
+ return filter;
out_free:
+ free(filter);
+ return NULL;
+}
+
+int perf_evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids)
+{
+ char *filter = asprintf__tp_filter_pids(npids, pids);
+ int ret = perf_evlist__set_tp_filter(evlist, filter);
+
free(filter);
return ret;
}