diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2014-11-21 10:31:09 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-12-02 00:00:30 +0100 |
| commit | 9bf1a52914c7e810091f7726790fc42242a2dafe (patch) | |
| tree | ce7feaffd9be8f80fdde15a9a0756c0ef179e8df /tools | |
| parent | perf stat: Use perf_evsel__read_cb in read_counter (diff) | |
| download | linux-9bf1a52914c7e810091f7726790fc42242a2dafe.tar.xz linux-9bf1a52914c7e810091f7726790fc42242a2dafe.zip | |
perf stat: Make read_counter work over the thread dimension
The read function will be used later for both aggr and cpu counters, so
we need to make it work over threads as well.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1416562275-12404-6-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-stat.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 9cc0db1d7f06..2511d3aae708 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -444,11 +444,18 @@ static int read_counter_aggr(struct perf_evsel *counter) */ static int read_counter(struct perf_evsel *counter) { - int cpu; + int nthreads = thread_map__nr(evsel_list->threads); + int ncpus = perf_evsel__nr_cpus(counter); + int cpu, thread; - for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { - if (perf_evsel__read_cb(counter, cpu, 0, read_cb)) - return -1; + if (counter->system_wide) + nthreads = 1; + + for (thread = 0; thread < nthreads; thread++) { + for (cpu = 0; cpu < ncpus; cpu++) { + if (perf_evsel__read_cb(counter, cpu, thread, read_cb)) + return -1; + } } return 0; |