perf test: Check counts on all cpus in test__open_syscall_event_on_all_cpus

We were bailing out after the first count mismatch, do it in all to see
if only some CPUs are not getting the expected number of events.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 7287158..7cc6b20 100644 (file)
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -408,6 +408,8 @@ static int test__open_syscall_event_on_all_cpus(void)
                goto out_close_fd;
        }
 
+       err = 0;
+
        for (cpu = 0; cpu < cpus->nr; ++cpu) {
                unsigned int expected;
 
@@ -416,18 +418,18 @@ static int test__open_syscall_event_on_all_cpus(void)
 
                if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) {
                        pr_debug("perf_evsel__open_read_on_cpu\n");
-                       goto out_close_fd;
+                       err = -1;
+                       break;
                }
 
                expected = nr_open_calls + cpu;
                if (evsel->counts->cpu[cpu].val != expected) {
                        pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
                                 expected, cpus->map[cpu], evsel->counts->cpu[cpu].val);
-                       goto out_close_fd;
+                       err = -1;
                }
        }
 
-       err = 0;
 out_close_fd:
        perf_evsel__close_fd(evsel, 1, threads->nr);
 out_evsel_delete: