Commit 1205a271 authored Aug 06, 2019 by Arnaldo Carvalho de Melo

perf top: Set display thread COMM to help with debugging

When we want to attach just to the thread that updates the display it
helps having its COMM stand out, so change it from the default "perf" to
"perf-top-UI".

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-5w0hmlk3zfvysxvpsh763k9w@git.kernel.org

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent b115df07

tools/perf/builtin-top.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -601,6 +601,8 @@ static void display_thread_tui(void arg)
		*/
		unshare(CLONE_FS);

		prctl(PR_SET_NAME, "perf-top-UI", 0, 0, 0);

		perf_top__sort_new_samples(top);

		/*
		@@ -651,6 +653,8 @@ static void display_thread(void arg)
		*/
		unshare(CLONE_FS);

		prctl(PR_SET_NAME, "perf-top-UI", 0, 0, 0);

		display_setup_sig();
		pthread__unblock_sigwinch();
		repeat: