4 files changed, 43 insertions, 14 deletions
diff --git a/tools/perf/arch/x86/util/event.c b/tools/perf/arch/x86/util/event.c
index 047dc00eafa6..9b31734ee968 100644
--- a/tools/perf/arch/x86/util/event.c
+++ b/tools/perf/arch/x86/util/event.c
@@ -75,3 +75,28 @@ int perf_event__synthesize_extra_kmaps(struct perf_tool *tool,
 }
 
 #endif
+
+void arch_perf_parse_sample_weight(struct perf_sample *data,
+				   const __u64 *array, u64 type)
+{
+	union perf_sample_weight weight;
+
+	weight.full = *array;
+	if (type & PERF_SAMPLE_WEIGHT)
+		data->weight = weight.full;
+	else {
+		data->weight = weight.var1_dw;
+		data->ins_lat = weight.var2_w;
+	}
+}
+
+void arch_perf_synthesize_sample_weight(const struct perf_sample *data,
+					__u64 *array, u64 type)
+{
+	*array = data->weight;
+
+	if (type & PERF_SAMPLE_WEIGHT_STRUCT) {
+		*array &= 0xffffffff;
+		*array |= ((u64)data->ins_lat << 32);
+	}
+}
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 4a3b5b6478d8..e3150a628782 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -421,4 +421,7 @@ extern unsigned int proc_map_timeout;
 #define PAGE_SIZE_NAME_LEN	32
 char *get_page_size_name(u64 size, char *str);
 
+void arch_perf_parse_sample_weight(struct perf_sample *data, const __u64 *array, u64 type);
+void arch_perf_synthesize_sample_weight(const struct perf_sample *data, __u64 *array, u64 type);
+
 #endif /* __PERF_RECORD_H */
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 844aebd9c306..1bf76864c4f2 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -2105,6 +2105,13 @@ perf_event__check_size(union perf_event *event, unsigned int sample_size)
 	return 0;
 }
 
+void __weak arch_perf_parse_sample_weight(struct perf_sample *data,
+					  const __u64 *array,
+					  u64 type __maybe_unused)
+{
+	data->weight = *array;
+}
+
 int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
 			struct perf_sample *data)
 {
@@ -2346,16 +2353,8 @@ int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
 	}
 
 	if (type & PERF_SAMPLE_WEIGHT_TYPE) {
-		union perf_sample_weight weight;
-
 		OVERFLOW_CHECK_u64(array);
-		weight.full = *array;
-		if (type & PERF_SAMPLE_WEIGHT)
-			data->weight = weight.full;
-		else {
-			data->weight = weight.var1_dw;
-			data->ins_lat = weight.var2_w;
-		}
+		arch_perf_parse_sample_weight(data, array, type);
 		array++;
 	}
 
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index 0b767233ae1f..b698046ec2db 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -1506,6 +1506,12 @@ size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
 	return result;
 }
 
+void __weak arch_perf_synthesize_sample_weight(const struct perf_sample *data,
+					       __u64 *array, u64 type __maybe_unused)
+{
+	*array = data->weight;
+}
+
 int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_format,
 				  const struct perf_sample *sample)
 {
@@ -1642,11 +1648,7 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_fo
 	}
 
 	if (type & PERF_SAMPLE_WEIGHT_TYPE) {
-		*array = sample->weight;
-		if (type & PERF_SAMPLE_WEIGHT_STRUCT) {
-			*array &= 0xffffffff;
-			*array |= ((u64)sample->ins_lat << 32);
-		}
+		arch_perf_synthesize_sample_weight(sample, array, type);
 		array++;
 	}