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authorGerman Gomez <german.gomez@arm.com>2023-03-20 18:15:05 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-03-21 01:27:00 +0300
commitf43cc1a9a8612ca591e4c205b9f503d63380eccc (patch)
tree1f778d01da70d1f5422cb3da5d0966b8cf1a2223 /tools/perf/util
parent052072f69f28864cebaeb6ca9dc2c9825b72c834 (diff)
downloadlinux-f43cc1a9a8612ca591e4c205b9f503d63380eccc.tar.xz
perf event: Add 'simd_flags' field to 'struct perf_sample'
Add new field to '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> Acked-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Anshuman.Khandual@arm.com Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230320151509.1137462-2-james.clark@arm.com Signed-off-by: James Clark <james.clark@arm.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/sample.h13
1 files changed, 13 insertions, 0 deletions
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;
};
/*