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From: Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ian Rogers <irogers@google.com>,
	lkml <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Michael Petlan <mpetlan@redhat.com>,
	Stephane Eranian <eranian@google.com>,
	Andi Kleen <ak@linux.intel.com>
Subject: [PATCH 09/13] perf tools: Factor out prepare_metric function
Date: Tue,  2 Jun 2020 23:47:37 +0200	[thread overview]
Message-ID: <20200602214741.1218986-10-jolsa@kernel.org> (raw)
In-Reply-To: <20200602214741.1218986-1-jolsa@kernel.org>

Factoring out prepare_metric function so it can
be used in test interface coming in following
changes.

Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/util/stat-shadow.c | 53 ++++++++++++++++++++++-------------
 1 file changed, 34 insertions(+), 19 deletions(-)

diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index a7c13a88ecb9..27be7ce2fff4 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -730,25 +730,16 @@ static void print_smi_cost(struct perf_stat_config *config,
 	out->print_metric(config, out->ctx, NULL, "%4.0f", "SMI#", smi_num);
 }
 
-static void generic_metric(struct perf_stat_config *config,
-			   const char *metric_expr,
-			   struct evsel **metric_events,
-			   char *name,
-			   const char *metric_name,
-			   const char *metric_unit,
-			   int runtime,
-			   int cpu,
-			   struct perf_stat_output_ctx *out,
-			   struct runtime_stat *st)
+static int prepare_metric(struct evsel **metric_events,
+			  struct expr_parse_ctx *pctx,
+			  int cpu,
+			  struct runtime_stat *st)
 {
-	print_metric_t print_metric = out->print_metric;
-	struct expr_parse_ctx pctx;
-	double ratio, scale;
-	int i;
-	void *ctxp = out->ctx;
+	double scale;
 	char *n, *pn;
+	int i;
 
-	expr__ctx_init(&pctx);
+	expr__ctx_init(pctx);
 	for (i = 0; metric_events[i]; i++) {
 		struct saved_value *v;
 		struct stats *stats;
@@ -771,7 +762,7 @@ static void generic_metric(struct perf_stat_config *config,
 
 		n = strdup(metric_events[i]->name);
 		if (!n)
-			return;
+			return -ENOMEM;
 		/*
 		 * This display code with --no-merge adds [cpu] postfixes.
 		 * These are not supported by the parser. Remove everything
@@ -782,11 +773,35 @@ static void generic_metric(struct perf_stat_config *config,
 			*pn = 0;
 
 		if (metric_total)
-			expr__add_id(&pctx, n, metric_total);
+			expr__add_id(pctx, n, metric_total);
 		else
-			expr__add_id(&pctx, n, avg_stats(stats)*scale);
+			expr__add_id(pctx, n, avg_stats(stats)*scale);
 	}
 
+	return i;
+}
+
+static void generic_metric(struct perf_stat_config *config,
+			   const char *metric_expr,
+			   struct evsel **metric_events,
+			   char *name,
+			   const char *metric_name,
+			   const char *metric_unit,
+			   int runtime,
+			   int cpu,
+			   struct perf_stat_output_ctx *out,
+			   struct runtime_stat *st)
+{
+	print_metric_t print_metric = out->print_metric;
+	struct expr_parse_ctx pctx;
+	double ratio, scale;
+	int i;
+	void *ctxp = out->ctx;
+
+	i = prepare_metric(metric_events, &pctx, cpu, st);
+	if (i < 0)
+		return;
+
 	if (!metric_events[i]) {
 		if (expr__parse(&ratio, &pctx, metric_expr, runtime) == 0) {
 			char *unit;
-- 
2.25.4


  parent reply	other threads:[~2020-06-02 21:48 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-02 21:47 [PATCHv3 00/13] perf tests: Add metrics tests Jiri Olsa
2020-06-02 21:47 ` [PATCH 01/13] perf tools: Add fake pmu support Jiri Olsa
2020-06-02 21:47 ` [PATCH 02/13] perf tools: Add fake_pmu bool to parse_events interface Jiri Olsa
2020-06-02 21:47 ` [PATCH 03/13] perf tests: Factor check_parse_id function Jiri Olsa
2020-06-02 21:47 ` [PATCH 04/13] perf tests: Add another metric parsing test Jiri Olsa
2020-06-02 21:47 ` [PATCH 05/13] perf tools: Factor out parse_groups function Jiri Olsa
2020-06-02 21:47 ` [PATCH 06/13] perf tools: Add fake_pmu to parse_events function Jiri Olsa
2020-06-02 21:47 ` [PATCH 07/13] perf tools: Add map " Jiri Olsa
2020-06-02 21:47 ` [PATCH 08/13] perf tools: Add metricgroup__parse_groups_test function Jiri Olsa
2020-06-02 21:47 ` Jiri Olsa [this message]
2020-06-02 21:47 ` [PATCH 10/13] perf tools: Release metric_events rblist Jiri Olsa
2020-06-02 21:47 ` [PATCH 11/13] perf tools: Add test_generic_metric function Jiri Olsa
2020-06-02 21:47 ` [PATCH 12/13] perf tests: Add parse metric test for ipc metric Jiri Olsa
2020-06-02 21:47 ` [PATCH 13/13] perf tests: Add parse metric test for frontend metric Jiri Olsa
  -- strict thread matches above, loose matches on Subject: below --
2020-06-02 11:50 [PATCHv2 00/13] perf tests: Add metrics tests Jiri Olsa
2020-06-02 11:50 ` [PATCH 09/13] perf tools: Factor out prepare_metric function Jiri Olsa

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