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authorGerman Gomez <german.gomez@arm.com>2023-03-20 18:15:07 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-03-21 01:28:11 +0300
commit03a6c16ebf0162b57acd16c2dd2baa79d8db2a97 (patch)
tree1f583b5378a08993ac40fed757b2fc368e48d406 /tools
parent0066015a3d8f9c01a17eb04579edba7dac9510af (diff)
downloadlinux-03a6c16ebf0162b57acd16c2dd2baa79d8db2a97.tar.xz
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 <german.gomez@arm.com> Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Ian Rogers <irogers@google.com> Link: https://lore.kernel.org/r/20230320151509.1137462-2-james.clark@arm.com Cc: Anshuman.Khandual@arm.com Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Will Deacon <will@kernel.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: linux-arm-kernel@lists.infradead.org Cc: John Garry <john.g.garry@oracle.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: linux-kernel@vger.kernel.org Cc: linux-perf-users@vger.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/arm-spe.c20
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;