linux-kernel - [PATCH v3 15/25] perf arm

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Message-Id: <20251112-perf_support_arm_spev1-3-v3-15-e63c9829f9d9@arm.com>
Date: Wed, 12 Nov 2025 18:24:41 +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 15/25] perf arm_spe: Report GCS in record

Report GCS 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 6f0390d4089599cd6bbf1357fa4cd6ec8190a58c..649471abef6a4386e1b250a19cda4f4caeb0a2ff 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
@@ -228,6 +228,10 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder)
 					decoder->record.op |= ARM_SPE_OP_MEMCPY;
 				} else if (SPE_OP_PKT_LDST_SUBCLASS_MEMSET(payload)) {
 					decoder->record.op |= ARM_SPE_OP_MEMSET;
+				} else if (SPE_OP_PKT_LDST_SUBCLASS_GCS(payload)) {
+					decoder->record.op |= ARM_SPE_OP_GCS;
+					if (payload & SPE_OP_PKT_GCS_COMM)
+						decoder->record.op |= ARM_SPE_OP_COMM;
 				}
 
 				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 3f4dae589c062d927d286b73ce53fa39795daffd..b838e9c6168c6b7c20bb63b8e7c9d27c35f416dc 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
@@ -47,6 +47,7 @@ enum arm_spe_2nd_op_ldst {
 	ARM_SPE_OP_MTE_TAG		= 1 << 13,
 	ARM_SPE_OP_MEMCPY		= 1 << 14,
 	ARM_SPE_OP_MEMSET		= 1 << 15,
+	ARM_SPE_OP_GCS			= 1 << 16,
 
 	/* Assisted information for memory / SIMD */
 	ARM_SPE_OP_LD			= 1 << 20,
@@ -57,6 +58,7 @@ enum arm_spe_2nd_op_ldst {
 	ARM_SPE_OP_DP			= 1 << 25,	/* Data processing */
 	ARM_SPE_OP_PRED			= 1 << 26,	/* Predicated */
 	ARM_SPE_OP_SG			= 1 << 27,	/* Gather/Scatter */
+	ARM_SPE_OP_COMM			= 1 << 28,	/* Common */
 };
 
 enum arm_spe_2nd_op_branch {

-- 
2.34.1