perf stat: Add --metric-only support for -A

Add metric only support for -A too. This requires a new print function that prints the metrics in the right order. v2: Fix manpage v3: Simplify nrcpus computation Signed-off-by: Andi Kleen <[email protected]> Acked-by: Jiri Olsa <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
ambv · Mar 10, 2016 · 206cab6 · 206cab6
1 parent 54b5091
commit 206cab6
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Showing 2 changed files with 38 additions and 9 deletions.
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
@@ -149,7 +149,7 @@ The overhead percentage could be high in some cases, for instance with small, su
 
 --metric-only::
 Only print computed metrics. Print them in a single line.
-Don't show any raw values. Not supported with -A or --per-thread.
+Don't show any raw values. Not supported with --per-thread.
 
 --per-socket::
 Aggregate counts per processor socket for system-wide mode measurements.  This

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
@@ -1250,10 +1250,40 @@ static void print_counter(struct perf_evsel *counter, char *prefix)
 	}
 }
 
+static void print_no_aggr_metric(char *prefix)
+{
+	int cpu;
+	int nrcpus = 0;
+	struct perf_evsel *counter;
+	u64 ena, run, val;
+	double uval;
+
+	nrcpus = evsel_list->cpus->nr;
+	for (cpu = 0; cpu < nrcpus; cpu++) {
+		bool first = true;
+
+		if (prefix)
+			fputs(prefix, stat_config.output);
+		evlist__for_each(evsel_list, counter) {
+			if (first) {
+				aggr_printout(counter, cpu, 0);
+				first = false;
+			}
+			val = perf_counts(counter->counts, cpu, 0)->val;
+			ena = perf_counts(counter->counts, cpu, 0)->ena;
+			run = perf_counts(counter->counts, cpu, 0)->run;
+
+			uval = val * counter->scale;
+			printout(cpu, 0, counter, uval, prefix, run, ena, 1.0);
+		}
+		fputc('\n', stat_config.output);
+	}
+}
+
 static int aggr_header_lens[] = {
 	[AGGR_CORE] = 18,
 	[AGGR_SOCKET] = 12,
-	[AGGR_NONE] = 15,
+	[AGGR_NONE] = 6,
 	[AGGR_THREAD] = 24,
 	[AGGR_GLOBAL] = 0,
 };
@@ -1408,8 +1438,12 @@ static void print_counters(struct timespec *ts, int argc, const char **argv)
 			fputc('\n', stat_config.output);
 		break;
 	case AGGR_NONE:
-		evlist__for_each(evsel_list, counter)
-			print_counter(counter, prefix);
+		if (metric_only)
+			print_no_aggr_metric(prefix);
+		else {
+			evlist__for_each(evsel_list, counter)
+				print_counter(counter, prefix);
+		}
 		break;
 	case AGGR_UNSET:
 	default:
@@ -2178,11 +2212,6 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
 		goto out;
 	}
 
-	if (metric_only && stat_config.aggr_mode == AGGR_NONE) {
-		fprintf(stderr, "--metric-only is not supported with -A\n");
-		goto out;
-	}
-
 	if (metric_only && run_count > 1) {
 		fprintf(stderr, "--metric-only is not supported with -r\n");
 		goto out;