[PATCH 23/25] perf script: Display stat events by default

Jiri Olsa
2015-11-05T14:42:10Z

If no script is specified for stat data, display
stat events in raw form.

$ perf stat record ls

SNIP

Performance counter stats for 'ls':

0.851585 task-clock (msec) # 0.717 CPUs utilized
0 context-switches # 0.000 K/sec
0 cpu-migrations # 0.000 K/sec
114 page-faults # 0.134 M/sec
2,620,918 cycles # 3.078 GHz
<not supported> stalled-cycles-frontend
<not supported> stalled-cycles-backend
2,714,111 instructions # 1.04 insns per cycle
542,434 branches # 636.970 M/sec
15,946 branch-misses # 2.94% of all branches

0.001186954 seconds time elapsed

$ perf script
CPU THREAD VAL ENA RUN TIME EVENT
-1 26185 851585 851585 851585 1186954 task-clock
-1 26185 0 851585 851585 1186954 context-switches
-1 26185 0 851585 851585 1186954 cpu-migrations
-1 26185 114 851585 851585 1186954 page-faults
-1 26185 2620918 853340 853340 1186954 cycles
-1 26185 0 0 0 1186954 stalled-cycles-frontend
-1 26185 0 0 0 1186954 stalled-cycles-backend
-1 26185 2714111 853340 853340 1186954 instructions
-1 26185 542434 853340 853340 1186954 branches
-1 26185 15946 853340 853340 1186954 branch-misses

Tested-by: Kan Liang <kan.liang@intel.com>
Link: http://lkml.kernel.org/n/tip-ph7bpnetmskvmietfwllf6i6@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/builtin-script.c | 35 +++++++++++++++++++++++++++++++++--
1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 011161d91b0b..d2ee759f99e2 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -652,9 +652,40 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
}

static void process_stat(struct perf_stat_config *config __maybe_unused,
- struct perf_evsel *evsel __maybe_unused,
- u64 time __maybe_unused)
+ struct perf_evsel *counter, u64 time)
{
+ int nthreads = thread_map__nr(counter->threads);
+ int ncpus = perf_evsel__nr_cpus(counter);
+ int cpu, thread;
+ static int header_printed;
+
+ if (counter->system_wide)
+ nthreads = 1;
+
+ if (!header_printed) {
+ printf("%3s %8s %15s %15s %15s %15s %s\n",
+ "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
+ header_printed = 1;
+ }
+
+ for (thread = 0; thread < nthreads; thread++) {
+ for (cpu = 0; cpu < ncpus; cpu++) {
+ struct perf_counts_values *counts;
+
+ counts = perf_counts(counter->counts, cpu, thread);
+
+ printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
+ counter->cpus->map[cpu],
+ thread_map__pid(counter->threads, thread),
+ counts->val,
+ counts->ena,
+ counts->run,
+ time,
+ perf_evsel__name(counter));
+ }
+ }
+
+ return;
}

static void process_stat_interval(u64 time __maybe_unused) { }
--
2.4.3