linux-kernel - [PATCH v3 16/25] perf arm_spe: Expose SIMD information in other operations

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Message-Id: <20251112-perf_support_arm_spev1-3-v3-16-e63c9829f9d9@arm.com>
Date: Wed, 12 Nov 2025 18:24:42 +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 16/25] perf arm_spe: Expose SIMD information in other
 operations

The other operations contain SME data processing, ASE (Advanced SIMD)
and floating-point operations. Expose these info in the records.

Signed-off-by: Leo Yan <leo.yan@....com>
---
 tools/perf/util/arm-spe-decoder/arm-spe-decoder.c | 18 +++++++++++++++++-
 tools/perf/util/arm-spe-decoder/arm-spe-decoder.h |  4 ++++
 2 files changed, 21 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 649471abef6a4386e1b250a19cda4f4caeb0a2ff..9e02b2bdd1177193996d071dd88f969e25b1ad86 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
@@ -237,8 +237,24 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder)
 				break;
 			case SPE_OP_PKT_HDR_CLASS_OTHER:
 				decoder->record.op |= ARM_SPE_OP_OTHER;
-				if (SPE_OP_PKT_OTHER_SUBCLASS_SVE(payload))
+				if (SPE_OP_PKT_OTHER_SUBCLASS_SVE(payload)) {
 					decoder->record.op |= ARM_SPE_OP_SVE | ARM_SPE_OP_DP;
+					if (payload & SPE_OP_PKT_OTHER_FP)
+						decoder->record.op |= ARM_SPE_OP_FP;
+					if (payload & SPE_OP_PKT_SVE_PRED)
+						decoder->record.op |= ARM_SPE_OP_PRED;
+				} else if (SPE_OP_PKT_OTHER_SUBCLASS_SME(payload)) {
+					decoder->record.op |= ARM_SPE_OP_SME;
+					if (payload & SPE_OP_PKT_OTHER_FP)
+						decoder->record.op |= ARM_SPE_OP_FP;
+				} else if (SPE_OP_PKT_OTHER_SUBCLASS_OTHER(payload)) {
+					if (payload & SPE_OP_PKT_OTHER_ASE)
+						decoder->record.op |= ARM_SPE_OP_ASE;
+					if (payload & SPE_OP_PKT_OTHER_FP)
+						decoder->record.op |= ARM_SPE_OP_FP;
+					if (payload & SPE_OP_PKT_COND)
+						decoder->record.op |= ARM_SPE_OP_COND;
+				}
 				break;
 			case SPE_OP_PKT_HDR_CLASS_BR_ERET:
 				decoder->record.op |= ARM_SPE_OP_BRANCH_ERET;
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 b838e9c6168c6b7c20bb63b8e7c9d27c35f416dc..3310e05122f02e8ef32f79f8ed3c6932cc43eecc 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
@@ -48,6 +48,8 @@ enum arm_spe_2nd_op_ldst {
 	ARM_SPE_OP_MEMCPY		= 1 << 14,
 	ARM_SPE_OP_MEMSET		= 1 << 15,
 	ARM_SPE_OP_GCS			= 1 << 16,
+	ARM_SPE_OP_SME			= 1 << 17,
+	ARM_SPE_OP_ASE			= 1 << 18,
 
 	/* Assisted information for memory / SIMD */
 	ARM_SPE_OP_LD			= 1 << 20,
@@ -59,6 +61,8 @@ enum arm_spe_2nd_op_ldst {
 	ARM_SPE_OP_PRED			= 1 << 26,	/* Predicated */
 	ARM_SPE_OP_SG			= 1 << 27,	/* Gather/Scatter */
 	ARM_SPE_OP_COMM			= 1 << 28,	/* Common */
+	ARM_SPE_OP_FP			= 1 << 29,	/* Floating-point */
+	ARM_SPE_OP_COND			= 1 << 30,	/* Conditional */
 };
 
 enum arm_spe_2nd_op_branch {

-- 
2.34.1