[PATCH 11/20] perf top: Join the display thread on exit

Jiri Olsa
2014-08-11T08:51:02Z

We create the display thread, but never join it. It gives
the display thread a chance to quit and cleanup properly.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/builtin-top.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index d0eeeb7ca5ff..eca2318b68a3 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -992,7 +992,7 @@ static int __cmd_top(struct perf_top *top)
param.sched_priority = top->realtime_prio;
if (sched_setscheduler(0, SCHED_FIFO, &param)) {
ui__error("Could not set realtime priority.\n");
- goto out_delete;
+ goto out_join;
}
}

@@ -1006,6 +1006,8 @@ static int __cmd_top(struct perf_top *top)
}

ret = 0;
+out_join:
+ pthread_join(thread, NULL);
out_delete:
perf_session__delete(top->session);
top->session = NULL;
--
1.8.3.1