redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

perf stat: Introduce print_counters function 

Centralize counters print code into single print_counters function.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1435310967-14570-22-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Jiri Olsa 2015-06-26 11:29:26 +02:00 committed by Arnaldo Carvalho de Melo
parent 5835e22865
commit d4f63a4741
1 changed files with 64 additions and 63 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

127
tools/perf/builtin-stat.c
View File

@ -67,10 +67,7 @@
#define CNTR_NOT_SUPPORTED "<not supported>"
#define CNTR_NOT_COUNTED "<not counted>"
static void print_stat(int argc, const char **argv);
static void print_counter_aggr(struct perf_evsel *counter, char *prefix);
static void print_counter(struct perf_evsel *counter, char *prefix);
static void print_aggr(char *prefix);
static void print_counters(struct timespec *ts, int argc, const char **argv);
/* Default events used for perf stat -T */
static const char *transaction_attrs = {
@ -365,53 +362,14 @@ static void read_counters(bool close)
static void process_interval(void)
{
static int num_print_interval;
struct perf_evsel *counter;
struct timespec ts, rs;
char prefix[64];
read_counters(false);
clock_gettime(CLOCK_MONOTONIC, &ts);
diff_timespec(&rs, &ts, &ref_time);
sprintf(prefix, "%6lu.%09lu%s", rs.tv_sec, rs.tv_nsec, csv_sep);
if (num_print_interval == 0 && !csv_output) {
switch (aggr_mode) {
case AGGR_SOCKET:
fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit");
break;
case AGGR_CORE:
fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit");
break;
case AGGR_NONE:
fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit");
break;
case AGGR_GLOBAL:
default:
fprintf(output, "# time counts %*s events\n", unit_width, "unit");
}
}
if (++num_print_interval == 25)
num_print_interval = 0;
switch (aggr_mode) {
case AGGR_CORE:
case AGGR_SOCKET:
print_aggr(prefix);
break;
case AGGR_NONE:
evlist__for_each(evsel_list, counter)
print_counter(counter, prefix);
break;
case AGGR_GLOBAL:
default:
evlist__for_each(evsel_list, counter)
print_counter_aggr(counter, prefix);
}
fflush(output);
print_counters(&rs, 0, NULL);
}
static void handle_initial_delay(void)
@ -901,9 +859,35 @@ static void print_counter(struct perf_evsel *counter, char *prefix)
}
}
static void print_stat(int argc, const char **argv)
static void print_interval(char *prefix, struct timespec *ts)
{
static int num_print_interval;
sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep);
if (num_print_interval == 0 && !csv_output) {
switch (aggr_mode) {
case AGGR_SOCKET:
fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit");
break;
case AGGR_CORE:
fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit");
break;
case AGGR_NONE:
fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit");
break;
case AGGR_GLOBAL:
default:
fprintf(output, "# time counts %*s events\n", unit_width, "unit");
}
}
if (++num_print_interval == 25)
num_print_interval = 0;
}
static void print_header(int argc, const char **argv)
{
struct perf_evsel *counter;
int i;
fflush(stdout);
@ -929,36 +913,53 @@ static void print_stat(int argc, const char **argv)
fprintf(output, " (%d runs)", run_count);
fprintf(output, ":\n\n");
}
}
static void print_footer(void)
{
if (!null_run)
fprintf(output, "\n");
fprintf(output, " %17.9f seconds time elapsed",
avg_stats(&walltime_nsecs_stats)/1e9);
if (run_count > 1) {
fprintf(output, " ");
print_noise_pct(stddev_stats(&walltime_nsecs_stats),
avg_stats(&walltime_nsecs_stats));
}
fprintf(output, "\n\n");
}
static void print_counters(struct timespec *ts, int argc, const char **argv)
{
struct perf_evsel *counter;
char buf[64], *prefix = NULL;
if (interval)
print_interval(prefix = buf, ts);
else
print_header(argc, argv);
switch (aggr_mode) {
case AGGR_CORE:
case AGGR_SOCKET:
print_aggr(NULL);
print_aggr(prefix);
break;
case AGGR_GLOBAL:
evlist__for_each(evsel_list, counter)
print_counter_aggr(counter, NULL);
print_counter_aggr(counter, prefix);
break;
case AGGR_NONE:
evlist__for_each(evsel_list, counter)
print_counter(counter, NULL);
print_counter(counter, prefix);
break;
default:
break;
}
if (!csv_output) {
if (!null_run)
fprintf(output, "\n");
fprintf(output, " %17.9f seconds time elapsed",
avg_stats(&walltime_nsecs_stats)/1e9);
if (run_count > 1) {
fprintf(output, " ");
print_noise_pct(stddev_stats(&walltime_nsecs_stats),
avg_stats(&walltime_nsecs_stats));
}
fprintf(output, "\n\n");
}
if (!interval && !csv_output)
print_footer();
fflush(output);
}
static volatile int signr = -1;
@ -1407,13 +1408,13 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
status = run_perf_stat(argc, argv);
if (forever && status != -1) {
print_stat(argc, argv);
print_counters(NULL, argc, argv);
perf_stat__reset_stats();
}
}
if (!forever && status != -1 && !interval)
print_stat(argc, argv);
print_counters(NULL, argc, argv);
perf_evlist__free_stats(evsel_list);
out: