diff mbox series

[v2,1/4] perf event: Add simd_flags field to perf_sample

Message ID 20230320151509.1137462-2-james.clark@arm.com (mailing list archive)
State New, archived
Headers show
Series Enable display of partial and empty SVE predicates from Arm SPE data | expand

Commit Message

James Clark March 20, 2023, 3:15 p.m. UTC 
From: German Gomez <german.gomez@arm.com>

Add new field to the struct perf_sample to store flags related to SIMD
ops.

It will be used to store SIMD information from SVE and NEON when
profiling using ARM SPE.

Signed-off-by: German Gomez <german.gomez@arm.com>
Signed-off-by: James Clark <james.clark@arm.com>
---
 tools/perf/util/sample.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)
diff mbox series

Patch

diff --git a/tools/perf/util/sample.h b/tools/perf/util/sample.h
index 33b08e0ac746..c92ad0f51ecd 100644
--- a/tools/perf/util/sample.h
+++ b/tools/perf/util/sample.h
@@ -66,6 +66,18 @@  struct aux_sample {
 	void *data;
 };
 
+struct simd_flags {
+	u64	arch:1,	/* architecture (isa) */
+		pred:2;	/* predication */
+};
+
+/* simd architecture flags */
+#define SIMD_OP_FLAGS_ARCH_SVE		0x01	/* ARM SVE */
+
+/* simd predicate flags */
+#define SIMD_OP_FLAGS_PRED_PARTIAL	0x01	/* partial predicate */
+#define SIMD_OP_FLAGS_PRED_EMPTY	0x02	/* empty predicate */
+
 struct perf_sample {
 	u64 ip;
 	u32 pid, tid;
@@ -106,6 +118,7 @@  struct perf_sample {
 	struct stack_dump user_stack;
 	struct sample_read read;
 	struct aux_sample aux_sample;
+	struct simd_flags simd_flags;
 };
 
 /*