diff options
Diffstat (limited to 'tools/perf/tests/task-exit.c')
-rw-r--r-- | tools/perf/tests/task-exit.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index bce3a4cb4c89..adaff9044331 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -12,6 +12,7 @@ #include <linux/string.h> #include <perf/cpumap.h> #include <perf/evlist.h> +#include <perf/mmap.h> static int exited; static int nr_exit; @@ -53,6 +54,7 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused struct perf_cpu_map *cpus; struct perf_thread_map *threads; struct mmap *md; + int retry_count = 0; signal(SIGCHLD, sig_handler); @@ -110,6 +112,7 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused if (evlist__mmap(evlist, 128) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, str_error_r(errno, sbuf, sizeof(sbuf))); + err = -1; goto out_delete_evlist; } @@ -117,20 +120,27 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused retry: md = &evlist->mmap[0]; - if (perf_mmap__read_init(md) < 0) + if (perf_mmap__read_init(&md->core) < 0) goto out_init; - while ((event = perf_mmap__read_event(md)) != NULL) { + while ((event = perf_mmap__read_event(&md->core)) != NULL) { if (event->header.type == PERF_RECORD_EXIT) nr_exit++; - perf_mmap__consume(md); + perf_mmap__consume(&md->core); } - perf_mmap__read_done(md); + perf_mmap__read_done(&md->core); out_init: if (!exited || !nr_exit) { evlist__poll(evlist, -1); + + if (retry_count++ > 1000) { + pr_debug("Failed after retrying 1000 times\n"); + err = -1; + goto out_free_maps; + } + goto retry; } |