[PATCH 1/7] perf timechart: always try to print at least 15 tasks

From: Stanislav Fomichev
Date: Fri Nov 01 2013 - 12:36:05 EST


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

Signed-off-by: Stanislav Fomichev <stfomichev@xxxxxxxxxxxxxx>
---
tools/perf/builtin-timechart.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index c2e02319347a..c68ed44c2319 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -944,15 +944,17 @@ 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);

--
1.8.3.2

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