linux-kernel - [PATCH v3 10/25] perf arm_spe: Report register access in record

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Message-Id: <20251112-perf_support_arm_spev1-3-v3-10-e63c9829f9d9@arm.com>
Date: Wed, 12 Nov 2025 18:24:36 +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 10/25] perf arm_spe: Report register access in record

Record register access info for load / store operations.

Signed-off-by: Leo Yan <leo.yan@....com>
---
 tools/perf/util/arm-spe-decoder/arm-spe-decoder.c | 13 ++++++++++++-
 1 file changed, 12 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 6974f594f37c9916fff591ced1e9c2d60cf84f14..804dce129121b9d2600be01af7f1f2780a9d0fc9 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
@@ -200,8 +200,19 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder)
 					decoder->record.op |= ARM_SPE_OP_ST;
 				else
 					decoder->record.op |= ARM_SPE_OP_LD;
-				if (SPE_OP_PKT_LDST_SUBCLASS_SVE_SME_REG(payload))
+
+				if (SPE_OP_PKT_LDST_SUBCLASS_GP_REG(payload)) {
+					decoder->record.op |= ARM_SPE_OP_GP_REG;
+				} else if (SPE_OP_PKT_LDST_SUBCLASS_SIMD_FP(payload)) {
+					decoder->record.op |= ARM_SPE_OP_SIMD_FP;
+				} else if (SPE_OP_PKT_LDST_SUBCLASS_UNSPEC_REG(payload)) {
+					decoder->record.op |= ARM_SPE_OP_UNSPEC_REG;
+				} else if (SPE_OP_PKT_LDST_SUBCLASS_NV_SYSREG(payload)) {
+					decoder->record.op |= ARM_SPE_OP_NV_SYSREG;
+				} else if (SPE_OP_PKT_LDST_SUBCLASS_SVE_SME_REG(payload)) {
 					decoder->record.op |= ARM_SPE_OP_SVE;
+				}
+
 				break;
 			case SPE_OP_PKT_HDR_CLASS_OTHER:
 				decoder->record.op |= ARM_SPE_OP_OTHER;

-- 
2.34.1