[PATCH 3/6] perf python tracepoint.py: Change the COMM using setproctitle if available

[Arnaldo Carvalho de Melo]

From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

Otherwise when debugging we see just "python" in perf, top, etc.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Ian Rogers <irogers@xxxxxxxxxx>
Cc: James Clark <james.clark@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/python/tracepoint.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/perf/python/tracepoint.py b/tools/perf/python/tracepoint.py
index 38b2b6d11f64566a..15b0c82689966f23 100755
--- a/tools/perf/python/tracepoint.py
+++ b/tools/perf/python/tracepoint.py
@@ -5,7 +5,15 @@
 
 import perf
 
+def change_proctitle():
+    try:
+        import setproctitle
+        setproctitle.setproctitle("tracepoint.py")
+    except:
+        print("Install the setproctitle python package to help with top and friends")
+
 def main():
+    change_proctitle()
     cpus    = perf.cpu_map()
     threads = perf.thread_map(-1)
     evlist = perf.parse_events("sched:sched_switch", cpus, threads)
-- 
2.48.1