perf arm-spe: Store operation type in packet

This patch is to store operation type in packet structure.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: James Clark <james.clark@arm.com>
Tested-by: James Clark <james.clark@arm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Al Grant <al.grant@arm.com>
Cc: Andre Przywara <andre.przywara@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wei Li <liwei391@huawei.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20210211133856.2137-3-james.clark@arm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
index 7aac304..32fe418 100644 (file)
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
@@ -182,6 +182,12 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder)
                case ARM_SPE_CONTEXT:
                        break;
                case ARM_SPE_OP_TYPE:
+                       if (idx == SPE_OP_PKT_HDR_CLASS_LD_ST_ATOMIC) {
+                               if (payload & 0x1)
+                                       decoder->record.op = ARM_SPE_ST;
+                               else
+                                       decoder->record.op = ARM_SPE_LD;
+                       }
                        break;
                case ARM_SPE_EVENTS:
                        if (payload & BIT(EV_L1D_REFILL))

diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
index 7b84500..59bdb73 100644 (file)
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
@@ -24,9 +24,15 @@ enum arm_spe_sample_type {
        ARM_SPE_REMOTE_ACCESS   = 1 << 7,
 };
 
+enum arm_spe_op_type {
+       ARM_SPE_LD              = 1 << 0,
+       ARM_SPE_ST              = 1 << 1,
+};
+
 struct arm_spe_record {
        enum arm_spe_sample_type type;
        int err;
+       u32 op;
        u64 from_ip;
        u64 to_ip;
        u64 timestamp;