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authorStanislav Fomichev <stfomichev@yandex-team.ru>2013-12-02 18:37:36 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-12-16 16:34:53 -0300
commitc507999790438cde78b5618fa64daefd697035af (patch)
tree0ee428460b358e6cc362450622d9b8941db1feca /tools/perf/builtin-timechart.c
parent58b9a18ecd251cbd6e666ad792023ab77c7d100e (diff)
perf timechart: Add support for topology
Add -t switch to sort CPUs topologically. Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru> 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> Cc: Ramkumar Ramachandra <artagnon@gmail.com> Link: http://lkml.kernel.org/r/1385995056-20158-5-git-send-email-stfomichev@yandex-team.ru Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-timechart.c')
-rw-r--r--tools/perf/builtin-timechart.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index db9c4c172587..8bde57c5c908 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -58,7 +58,8 @@ struct timechart {
first_time, last_time;
bool power_only,
tasks_only,
- with_backtrace;
+ with_backtrace,
+ topology;
};
struct per_pidcomm;
@@ -1077,6 +1078,18 @@ static int process_header(struct perf_file_section *section __maybe_unused,
case HEADER_NRCPUS:
tchart->numcpus = ph->env.nr_cpus_avail;
break;
+
+ case HEADER_CPU_TOPOLOGY:
+ if (!tchart->topology)
+ break;
+
+ if (svg_build_topology_map(ph->env.sibling_cores,
+ ph->env.nr_sibling_cores,
+ ph->env.sibling_threads,
+ ph->env.nr_sibling_threads))
+ fprintf(stderr, "problem building topology\n");
+ break;
+
default:
break;
}
@@ -1267,6 +1280,8 @@ int cmd_timechart(int argc, const char **argv,
"Look for files with symbols relative to this directory"),
OPT_INTEGER('n', "proc-num", &tchart.proc_num,
"min. number of tasks to print"),
+ OPT_BOOLEAN('t', "topology", &tchart.topology,
+ "sort CPUs according to topology"),
OPT_END()
};
const char * const timechart_usage[] = {