[PATCH 14/25] perf arm_spe: Report memset and memcpy in records

Leo Yan leo.yan at arm.com
Mon Sep 29 09:37:50 PDT 2025


Expose memset and memcpy related info in records.

Signed-off-by: Leo Yan <leo.yan at arm.com>
---
 tools/perf/util/arm-spe-decoder/arm-spe-decoder.c | 4 ++++
 tools/perf/util/arm-spe-decoder/arm-spe-decoder.h | 4 +++-
 2 files changed, 7 insertions(+), 1 deletion(-)

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 5b214fc4ca9f67cf11700a18939f37f4a5400b84..6f0390d4089599cd6bbf1357fa4cd6ec8190a58c 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
@@ -224,6 +224,10 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder)
 						decoder->record.op |= ARM_SPE_OP_PRED;
 					if (payload & SPE_OP_PKT_SVE_SG)
 						decoder->record.op |= ARM_SPE_OP_SG;
+				} else if (SPE_OP_PKT_LDST_SUBCLASS_MEMCPY(payload)) {
+					decoder->record.op |= ARM_SPE_OP_MEMCPY;
+				} else if (SPE_OP_PKT_LDST_SUBCLASS_MEMSET(payload)) {
+					decoder->record.op |= ARM_SPE_OP_MEMSET;
 				}
 
 				break;
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 87d45c11ad7483c167b4d9cb2e481a001f54e5cc..565458a7a6cbd94d67803cc122154cb5cab4f308 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
@@ -43,7 +43,9 @@ enum arm_spe_op_type {
 	ARM_SPE_OP_NV_SYSREG		= 1 << 10,
 	ARM_SPE_OP_SIMD_FP		= 1 << 11,
 	ARM_SPE_OP_MTE_TAG		= 1 << 12,
-	ARM_SPE_OP_SVE			= 1 << 13,
+	ARM_SPE_OP_MEMCPY		= 1 << 13,
+	ARM_SPE_OP_MEMSET		= 1 << 14,
+	ARM_SPE_OP_SVE			= 1 << 15,
 
 	/* Assisted information for memory / SIMD */
 	ARM_SPE_OP_LD			= 1 << 20,

-- 
2.34.1




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