Commit 711a572e authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
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perf stat: Move 'scale' into struct perf_stat_config



Moving 'scale' into struct perf_stat_config. The point is to centralize
the base stat config so it could be used localy together with other stat
routines in other parts of perf code.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1437481927-29538-4-git-send-email-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 421a50f3
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+6 −6
Original line number Diff line number Diff line
@@ -101,7 +101,6 @@ static struct target target = {

static int			run_count			=  1;
static bool			no_inherit			= false;
static bool			scale				=  true;
static volatile pid_t		child_pid			= -1;
static bool			null_run			=  false;
static int			detailed_run			=  0;
@@ -127,6 +126,7 @@ static volatile int done = 0;

static struct perf_stat_config stat_config = {
	.aggr_mode	= AGGR_GLOBAL,
	.scale		= true,
};

static inline void diff_timespec(struct timespec *r, struct timespec *a,
@@ -151,7 +151,7 @@ static int create_perf_stat_counter(struct perf_evsel *evsel)
{
	struct perf_event_attr *attr = &evsel->attr;

	if (scale)
	if (stat_config.scale)
		attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED |
				    PERF_FORMAT_TOTAL_TIME_RUNNING;

@@ -240,13 +240,13 @@ process_counter_values(struct perf_evsel *evsel, int cpu, int thread,
	case AGGR_NONE:
		if (!evsel->snapshot)
			perf_evsel__compute_deltas(evsel, cpu, thread, count);
		perf_counts_values__scale(count, scale, NULL);
		perf_counts_values__scale(count, stat_config.scale, NULL);
		if (stat_config.aggr_mode == AGGR_NONE)
			perf_stat__update_shadow_stats(evsel, count->values, cpu);
		break;
	case AGGR_GLOBAL:
		aggr->val += count->val;
		if (scale) {
		if (stat_config.scale) {
			aggr->ena += count->ena;
			aggr->run += count->run;
		}
@@ -299,7 +299,7 @@ static int process_counter(struct perf_evsel *counter)

	if (!counter->snapshot)
		perf_evsel__compute_deltas(counter, -1, -1, aggr);
	perf_counts_values__scale(aggr, scale, &counter->counts->scaled);
	perf_counts_values__scale(aggr, stat_config.scale, &counter->counts->scaled);

	for (i = 0; i < 3; i++)
		update_stats(&ps->res_stats[i], count[i]);
@@ -1274,7 +1274,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
		    "system-wide collection from all CPUs"),
	OPT_BOOLEAN('g', "group", &group,
		    "put the counters into a counter group"),
	OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"),
	OPT_BOOLEAN('c', "scale", &stat_config.scale, "scale/normalize counters"),
	OPT_INCR('v', "verbose", &verbose,
		    "be more verbose (show counter open errors, etc)"),
	OPT_INTEGER('r', "repeat", &run_count,
+1 −0
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ struct perf_counts {

struct perf_stat_config {
	enum aggr_mode	aggr_mode;
	bool		scale;
};

static inline struct perf_counts_values*