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Date: Mon, 12 Dec 2016 11:35:43 +0100
From: Jiri Olsa <jolsa@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: David Ahern <dsahern@...il.com>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
lkml <linux-kernel@...r.kernel.org>,
Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 5/5] perf record: Force ignore_missing_thread for uid option
Enable perf_evsel::ignore_missing_thread for -u option
to ignore complete failure if any of the user's processes
die between its enumeration and time we open the event.
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/n/tip-vjykwntox3u5tlqctjk280ko@git.kernel.org
---
tools/perf/builtin-record.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index fa26865364b6..74d6a035133a 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1687,6 +1687,9 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused)
goto out;
}
+ /* Enable ignoring missing threads when -u option is defined. */
+ rec->opts.ignore_missing_thread = rec->opts.target.uid != UINT_MAX;
+
err = -ENOMEM;
if (perf_evlist__create_maps(rec->evlist, &rec->opts.target) < 0)
usage_with_options(record_usage, record_options);
--
2.7.4
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