diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/builtin-trace.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 3a696aa70630..cb33e4c8821a 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2151,6 +2151,15 @@ static int trace__run(struct trace *trace, int argc, const char **argv) if (err < 0) goto out_error_open; + /* + * Better not use !target__has_task() here because we need to cover the + * case where no threads were specified in the command line, but a + * workload was, and in that case we will fill in the thread_map when + * we fork the workload in perf_evlist__prepare_workload. + */ + if (evlist->threads->map[0] == -1) + perf_evlist__set_filter_pid(evlist, getpid()); + err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false); if (err < 0) goto out_error_mmap; |