diff options
-rw-r--r-- | tools/perf/builtin-trace.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 0ba36f08efd8..05d24b6570ee 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2241,10 +2241,24 @@ out_enomem: static int trace__set_filter_loop_pids(struct trace *trace) { - int nr = 1; + unsigned int nr = 1; pid_t pids[32] = { getpid(), }; + struct thread *thread = machine__find_thread(trace->host, pids[0], pids[0]); + + while (thread && nr < ARRAY_SIZE(pids)) { + struct thread *parent = machine__find_thread(trace->host, thread->ppid, thread->ppid); + + if (parent == NULL) + break; + + if (!strcmp(thread__comm_str(parent), "sshd")) { + pids[nr++] = parent->tid; + break; + } + thread = parent; + } return perf_evlist__set_filter_pids(trace->evlist, nr, pids); } |