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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>
This commit is contained in:
German Gomez 2023-03-20 15:15:05 +00:00 committed by Arnaldo Carvalho de Melo
parent 052072f69f
commit f43cc1a9a8
1 changed files with 13 additions and 0 deletions
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13
tools/perf/util/sample.h
View File

@ -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;
};
/*