Commit 1991cbd2 authored Mar 30, 2016 by Arnaldo Carvalho de Melo Committed by Greg Kroah-Hartman Jul 15, 2017

perf trace: Do not process PERF_RECORD_LOST twice

commit 3ed5ca2efff70e9f589087c2013789572901112d upstream.

We catch this record to provide a visual indication that events are
getting lost, then call the default method to allow extra logging shared
with the other tools to take place.

This extra logging was done twice because we were continuing to the
"default" clause where machine__process_event() will end up calling
machine__process_lost_event() again, fix it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-wus2zlhw3qo24ye84ewu4aqw@git.kernel.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 5a25a08a

tools/perf/builtin-trace.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1617,6 +1617,7 @@ static int trace__process_event(struct trace trace, struct machine machine,
		color_fprintf(trace->output, PERF_COLOR_RED,
		"LOST %" PRIu64 " events!\n", event->lost.lost);
		ret = machine__process_lost_event(machine, event, sample);
		break;
		default:
		ret = machine__process_event(machine, event, sample);
		break;