* [PATCH v1] perf trace: Enable ignore_missing_thread for stat
@ 2022-06-09 4:09 Gang Li
0 siblings, 0 replies; only message in thread
From: Gang Li @ 2022-06-09 4:09 UTC (permalink / raw)
To: Arnaldo Carvalho de Melo, Peter Zijlstra, Ingo Molnar,
Mark Rutland, Alexander Shishkin, Jiri Olsa, Namhyung Kim
Cc: Gang Li, linux-perf-users, linux-kernel
perf already support ignore_missing_thread for -p, but not yet
applied to `perf stat -p <pid>`. This patch enables ignore_missing_thread
for `perf stat -p <pid>`.
Signed-off-by: Gang Li <ligang.bdlg@bytedance.com>
---
tools/perf/builtin-stat.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 4ce87a8eb7d7..d2ecd4d29624 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -2586,6 +2586,8 @@ int cmd_stat(int argc, const char **argv)
if (evlist__initialize_ctlfd(evsel_list, stat_config.ctl_fd, stat_config.ctl_fd_ack))
goto out;
+ /* Enable ignoring missing threads when -p option is defined. */
+ evlist__first(evsel_list)->ignore_missing_thread = target.pid;
status = 0;
for (run_idx = 0; forever || run_idx < stat_config.run_count; run_idx++) {
if (stat_config.run_count != 1 && verbose > 0)
--
2.20.1
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2022-06-09 4:09 [PATCH v1] perf trace: Enable ignore_missing_thread for stat Gang Li
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