+#include <linux/err.h>
#include <traceevent/event-parse.h>
#include "evsel.h"
#include "tests.h"
struct perf_evsel *evsel = perf_evsel__newtp("sched", "sched_switch");
int ret = 0;
- if (evsel == NULL) {
- pr_debug("perf_evsel__new\n");
+ if (IS_ERR(evsel)) {
+ pr_debug("perf_evsel__newtp failed with %ld\n", PTR_ERR(evsel));
return -1;
}
evsel = perf_evsel__newtp("sched", "sched_wakeup");
+ if (IS_ERR(evsel)) {
+ pr_debug("perf_evsel__newtp failed with %ld\n", PTR_ERR(evsel));
+ return -1;
+ }
+
if (perf_evsel__test_field(evsel, "comm", 16, true))
ret = -1;