Messages in this thread Patch in this message | | | From | James Clark <> | Subject | [PATCH 1/4] perf event: Add simd_flags field to perf_sample | Date | Mon, 19 Dec 2022 16:12:55 +0000 |
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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 --git a/tools/perf/util/sample.h b/tools/perf/util/sample.h index 60ec79d4eea4..bdf52faf165f 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; @@ -103,6 +115,7 @@ struct perf_sample { struct stack_dump user_stack; struct sample_read read; struct aux_sample aux_sample; + struct simd_flags simd_flags; }; /* -- 2.25.1
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