diff options
| author |   Stanislav Fomichev <stfomichev@yandex-team.ru> | 2013-12-02 18:37:36 +0400 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-12-16 16:34:53 -0300 |
| commit | c507999790438cde78b5618fa64daefd697035af (patch) | |
| tree | 0ee428460b358e6cc362450622d9b8941db1feca /tools/perf/builtin-timechart.c | |
| parent | perf timechart: Get number of CPUs from perf header (diff) | |
| download | wireguard-linux-c507999790438cde78b5618fa64daefd697035af.tar.xz wireguard-linux-c507999790438cde78b5618fa64daefd697035af.zip | |
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.c | 17 |
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[] = { |