From 8b6dcca017aa53fe13066411a653b5997c158a2c Mon Sep 17 00:00:00 2001 From: Stanislav Fomichev Date: Mon, 2 Dec 2013 18:37:33 +0400 Subject: perf timechart: Add backtrace support to CPU info Add backtrace info to the CPU usage timechart. Signed-off-by: Stanislav Fomichev Cc: Ingo Molnar Cc: Jiri Olsa Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Ramkumar Ramachandra Link: http://lkml.kernel.org/r/1385995056-20158-2-git-send-email-stfomichev@yandex-team.ru Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/svghelper.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'tools/perf/util/svghelper.c') diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c index 8b79d3a..740f032 100644 --- a/tools/perf/util/svghelper.c +++ b/tools/perf/util/svghelper.c @@ -285,7 +285,7 @@ void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq) fprintf(svgfile, "\n"); } -void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name) +void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name, const char *backtrace) { double width; @@ -295,6 +295,8 @@ void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name fprintf(svgfile, "\n", time2pixels(start), cpu2y(cpu)); fprintf(svgfile, "%s %s\n", name, time_to_string(end - start)); + if (backtrace) + fprintf(svgfile, "Switched because:\n%s\n", backtrace); fprintf(svgfile, "\n", time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type); width = time2pixels(end)-time2pixels(start); -- cgit v1.1