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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>
alistair/sunxi64-5.4-dsi
Arnaldo Carvalho de Melo 2019-08-06 11:20:42 -03:00
parent b115df076d
commit 1205a2719e
1 changed files with 4 additions and 0 deletions
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4
tools/perf/builtin-top.c
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@ -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: