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Subject[tip:perf/urgent] perf timechart: Fix wrong SVG height
Commit-ID:  3415d8b851307c75a1e8aa16030db9172306df78
Gitweb: http://git.kernel.org/tip/3415d8b851307c75a1e8aa16030db9172306df78
Author: Stanislav Fomichev <stfomichev@yandex-team.ru>
AuthorDate: Mon, 20 Jan 2014 15:39:38 +0400
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 20 Jan 2014 16:19:08 -0300

perf timechart: Fix wrong SVG height

If we call perf timechart with -p 0 arguments, it means we don't want
any tasks related data. It works, but space for tasks data is reserved
in the generated SVG. Remove this unused empty space via passing 0 as
count to the open_svg.

Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@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/1390217980-22424-2-git-send-email-stfomichev@yandex-team.ru
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-timechart.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 652af0b..25526d6 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -1045,6 +1045,9 @@ static void write_svg_file(struct timechart *tchart, const char *filename)
thresh /= 10;
} while (!process_filter && thresh && count < tchart->proc_num);

+ if (!tchart->proc_num)
+ count = 0;
+
open_svg(filename, tchart->numcpus, count, tchart->first_time, tchart->last_time);

svg_time_grid();

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