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perf timechart: Always try to print at least 15 tasks 

Always try to print at least 15 tasks no matter how long they run.

Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1383323151-19810-2-git-send-email-stfomichev@yandex-team.ru
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Stanislav Fomichev 2013-11-01 20:25:45 +04:00 committed by Arnaldo Carvalho de Melo
parent 69e7e5b02b
commit 0a8eb275cb
1 changed files with 7 additions and 5 deletions
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12
tools/perf/builtin-timechart.c
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@ -945,15 +945,17 @@ static void write_svg_file(const char *filename)
{
u64 i;
int count;
int thresh = TIME_THRESH;
numcpus++;
count = determine_display_tasks(TIME_THRESH);
/* We'd like to show at least 15 tasks; be less picky if we have fewer */
if (count < 15)
count = determine_display_tasks(TIME_THRESH / 10);
/* We'd like to show at least proc_num tasks;
* be less picky if we have fewer */
do {
count = determine_display_tasks(thresh);
thresh /= 10;
} while (!process_filter && thresh && count < 15);
open_svg(filename, numcpus, count, first_time, last_time);