perf arm-spe: Add SVE flags to the SPE samples

Add flags from the Scalable Vector Extension (SVE) to the SPE samples
which are available from Armv8.3 (FEAT_SPEv1p1).

These will be displayed in a new SIMD sort field in a later commit.

Signed-off-by: German Gomez <[email protected]>
Signed-off-by: James Clark <[email protected]>
Acked-by: Ian Rogers <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Cc: [email protected]
Cc: Mark Rutland <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Leo Yan <[email protected]>
Cc: Mike Leach <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: [email protected]
Cc: John Garry <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

1 files changed, 20 insertions, 0 deletions

diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index bfae4731a47a..7b36ba6b4079 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -273,6 +273,25 @@ static int arm_spe_set_tid(struct arm_spe_queue *speq, pid_t tid)
 	return 0;
 }
 
+static struct simd_flags arm_spe__synth_simd_flags(const struct arm_spe_record *record)
+{
+	struct simd_flags simd_flags = {};
+
+	if ((record->op & ARM_SPE_OP_LDST) && (record->op & ARM_SPE_OP_SVE_LDST))
+		simd_flags.arch |= SIMD_OP_FLAGS_ARCH_SVE;
+
+	if ((record->op & ARM_SPE_OP_OTHER) && (record->op & ARM_SPE_OP_SVE_OTHER))
+		simd_flags.arch |= SIMD_OP_FLAGS_ARCH_SVE;
+
+	if (record->type & ARM_SPE_SVE_PARTIAL_PRED)
+		simd_flags.pred |= SIMD_OP_FLAGS_PRED_PARTIAL;
+
+	if (record->type & ARM_SPE_SVE_EMPTY_PRED)
+		simd_flags.pred |= SIMD_OP_FLAGS_PRED_EMPTY;
+
+	return simd_flags;
+}
+
 static void arm_spe_prep_sample(struct arm_spe *spe,
 				struct arm_spe_queue *speq,
 				union perf_event *event,
@@ -289,6 +308,7 @@ static void arm_spe_prep_sample(struct arm_spe *spe,
 	sample->tid = speq->tid;
 	sample->period = 1;
 	sample->cpu = speq->cpu;
+	sample->simd_flags = arm_spe__synth_simd_flags(record);
 
 	event->sample.header.type = PERF_RECORD_SAMPLE;
 	event->sample.header.misc = sample->cpumode;