linux-kernel - [PATCH v3 14/25] perf arm_spe: Report memset and memcpy in records

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Message-Id: <20251112-perf_support_arm_spev1-3-v3-14-e63c9829f9d9@arm.com>
Date: Wed, 12 Nov 2025 18:24:40 +0000
From: Leo Yan <leo.yan@....com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
 Arnaldo Carvalho de Melo <acme@...nel.org>, 
 Namhyung Kim <namhyung@...nel.org>, Jiri Olsa <jolsa@...nel.org>, 
 Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
 James Clark <james.clark@...aro.org>, Mark Rutland <mark.rutland@....com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>, 
 linux-perf-users@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Leo Yan <leo.yan@....com>
Subject: [PATCH v3 14/25] perf arm_spe: Report memset and memcpy in records

Expose memset and memcpy related info in records.

Signed-off-by: Leo Yan <leo.yan@....com>
---
 tools/perf/util/arm-spe-decoder/arm-spe-decoder.c | 4 ++++
 tools/perf/util/arm-spe-decoder/arm-spe-decoder.h | 2 ++
 2 files changed, 6 insertions(+)

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 d14cf6b95507bcbdb1f7e6d4908e6c40c4a8279c..3f4dae589c062d927d286b73ce53fa39795daffd 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
@@ -45,6 +45,8 @@ enum arm_spe_2nd_op_ldst {
 	ARM_SPE_OP_SIMD_FP		= 1 << 11,
 	ARM_SPE_OP_SVE			= 1 << 12,
 	ARM_SPE_OP_MTE_TAG		= 1 << 13,
+	ARM_SPE_OP_MEMCPY		= 1 << 14,
+	ARM_SPE_OP_MEMSET		= 1 << 15,
 
 	/* Assisted information for memory / SIMD */
 	ARM_SPE_OP_LD			= 1 << 20,

-- 
2.34.1