From 94ac2ab3fff96814d7460a27a0e9d004abbd4128 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 19 Jun 2024 23:00:37 +0200
Subject: Merging upstream version 6.9.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tools/perf/util/stat-shadow.c | 65 ++++++++++++++++++++++++++++---------------
 1 file changed, 43 insertions(+), 22 deletions(-)

(limited to 'tools/perf/util/stat-shadow.c')

diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index cf573ff3fa..3466aa9524 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -355,11 +355,13 @@ static void print_nsecs(struct perf_stat_config *config,
 		print_metric(config, ctxp, NULL, NULL, "CPUs utilized", 0);
 }
 
-static int prepare_metric(struct evsel **metric_events,
-			  struct metric_ref *metric_refs,
+static int prepare_metric(const struct metric_expr *mexp,
+			  const struct evsel *evsel,
 			  struct expr_parse_ctx *pctx,
 			  int aggr_idx)
 {
+	struct evsel * const *metric_events = mexp->metric_events;
+	struct metric_ref *metric_refs = mexp->metric_refs;
 	int i;
 
 	for (i = 0; metric_events[i]; i++) {
@@ -398,12 +400,33 @@ static int prepare_metric(struct evsel **metric_events,
 			source_count = 1;
 		} else {
 			struct perf_stat_evsel *ps = metric_events[i]->stats;
-			struct perf_stat_aggr *aggr = &ps->aggr[aggr_idx];
+			struct perf_stat_aggr *aggr;
 
+			/*
+			 * If there are multiple uncore PMUs and we're not
+			 * reading the leader's stats, determine the stats for
+			 * the appropriate uncore PMU.
+			 */
+			if (evsel && evsel->metric_leader &&
+			    evsel->pmu != evsel->metric_leader->pmu &&
+			    mexp->metric_events[i]->pmu == evsel->metric_leader->pmu) {
+				struct evsel *pos;
+
+				evlist__for_each_entry(evsel->evlist, pos) {
+					if (pos->pmu != evsel->pmu)
+						continue;
+					if (pos->metric_leader != mexp->metric_events[i])
+						continue;
+					ps = pos->stats;
+					source_count = 1;
+					break;
+				}
+			}
+			aggr = &ps->aggr[aggr_idx];
 			if (!aggr)
 				break;
 
-                        if (!metric_events[i]->supported) {
+			if (!metric_events[i]->supported) {
 				/*
 				 * Not supported events will have a count of 0,
 				 * which can be confusing in a
@@ -415,7 +438,8 @@ static int prepare_metric(struct evsel **metric_events,
 				source_count = 0;
 			} else {
 				val = aggr->counts.val;
-				source_count = evsel__source_count(metric_events[i]);
+				if (!source_count)
+					source_count = evsel__source_count(metric_events[i]);
 			}
 		}
 		n = strdup(evsel__metric_id(metric_events[i]));
@@ -436,18 +460,18 @@ static int prepare_metric(struct evsel **metric_events,
 }
 
 static void generic_metric(struct perf_stat_config *config,
-			   const char *metric_expr,
-			   const char *metric_threshold,
-			   struct evsel **metric_events,
-			   struct metric_ref *metric_refs,
-			   char *name,
-			   const char *metric_name,
-			   const char *metric_unit,
-			   int runtime,
+			   struct metric_expr *mexp,
+			   struct evsel *evsel,
 			   int aggr_idx,
 			   struct perf_stat_output_ctx *out)
 {
 	print_metric_t print_metric = out->print_metric;
+	const char *metric_name = mexp->metric_name;
+	const char *metric_expr = mexp->metric_expr;
+	const char *metric_threshold = mexp->metric_threshold;
+	const char *metric_unit = mexp->metric_unit;
+	struct evsel * const *metric_events = mexp->metric_events;
+	int runtime = mexp->runtime;
 	struct expr_parse_ctx *pctx;
 	double ratio, scale, threshold;
 	int i;
@@ -462,7 +486,7 @@ static void generic_metric(struct perf_stat_config *config,
 		pctx->sctx.user_requested_cpu_list = strdup(config->user_requested_cpu_list);
 	pctx->sctx.runtime = runtime;
 	pctx->sctx.system_wide = config->system_wide;
-	i = prepare_metric(metric_events, metric_refs, pctx, aggr_idx);
+	i = prepare_metric(mexp, evsel, pctx, aggr_idx);
 	if (i < 0) {
 		expr__ctx_free(pctx);
 		return;
@@ -497,18 +521,18 @@ static void generic_metric(struct perf_stat_config *config,
 				print_metric(config, ctxp, color, "%8.2f",
 					metric_name ?
 					metric_name :
-					out->force_header ?  name : "",
+					out->force_header ?  evsel->name : "",
 					ratio);
 			}
 		} else {
 			print_metric(config, ctxp, color, /*unit=*/NULL,
 				     out->force_header ?
-				     (metric_name ? metric_name : name) : "", 0);
+				     (metric_name ?: evsel->name) : "", 0);
 		}
 	} else {
 		print_metric(config, ctxp, color, /*unit=*/NULL,
 			     out->force_header ?
-			     (metric_name ? metric_name : name) : "", 0);
+			     (metric_name ?: evsel->name) : "", 0);
 	}
 
 	expr__ctx_free(pctx);
@@ -523,7 +547,7 @@ double test_generic_metric(struct metric_expr *mexp, int aggr_idx)
 	if (!pctx)
 		return NAN;
 
-	if (prepare_metric(mexp->metric_events, mexp->metric_refs, pctx, aggr_idx) < 0)
+	if (prepare_metric(mexp, /*evsel=*/NULL, pctx, aggr_idx) < 0)
 		goto out;
 
 	if (expr__parse(&ratio, pctx, mexp->metric_expr))
@@ -625,10 +649,7 @@ void *perf_stat__print_shadow_stats_metricgroup(struct perf_stat_config *config,
 
 		if ((*num)++ > 0)
 			out->new_line(config, ctxp);
-		generic_metric(config, mexp->metric_expr, mexp->metric_threshold,
-			       mexp->metric_events, mexp->metric_refs, evsel->name,
-			       mexp->metric_name, mexp->metric_unit, mexp->runtime,
-			       aggr_idx, out);
+		generic_metric(config, mexp, evsel, aggr_idx, out);
 	}
 
 	return NULL;
-- 
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