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perf top: Set the 'session_done' volatile variable when exiting 

So we can get out of hist processing ASAP on user request.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/n/tip-r8aufbgbixr2f85s3wcoaw9v@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2018-11-07 20:11:19 +01:00 committed by Arnaldo Carvalho de Melo
parent 94ad6e7e36
commit c94cef4beb
1 changed files with 9 additions and 3 deletions
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12
tools/perf/builtin-top.c
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@ -577,6 +577,12 @@ static void perf_top__sort_new_samples(void *arg)
perf_top__reset_sample_counters(t);
}
static void stop_top(void)
{
session_done = 1;
done = 1;
}
static void *display_thread_tui(void *arg)
{
struct perf_evsel *pos;
@ -613,13 +619,13 @@ static void *display_thread_tui(void *arg)
!top->record_opts.overwrite,
&top->annotation_opts);
done = 1;
stop_top();
return NULL;
}
static void display_sig(int sig __maybe_unused)
{
done = 1;
stop_top();
}
static void display_setup_sig(void)
@ -672,7 +678,7 @@ static void *display_thread(void *arg)
if (perf_top__handle_keypress(top, c))
goto repeat;
done = 1;
stop_top();
}
}