[PATCH 13/25] perf arm_spe: Report associated info for SVE / SME operations

Leo Yan leo.yan at arm.com
Mon Sep 29 09:37:49 PDT 2025


SVE / SME operations can be predicated or Gather load / scatter store,
save the relevant info into record.

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 | 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 949c20816826a4d45d6cf9a5efaa125acea90b0a..5b214fc4ca9f67cf11700a18939f37f4a5400b84 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
@@ -220,6 +220,10 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder)
 						decoder->record.op |= ARM_SPE_OP_ATOMIC;
 				} else if (SPE_OP_PKT_LDST_SUBCLASS_SVE_SME_REG(payload)) {
 					decoder->record.op |= ARM_SPE_OP_SVE;
+					if (payload & SPE_OP_PKT_SVE_PRED)
+						decoder->record.op |= ARM_SPE_OP_PRED;
+					if (payload & SPE_OP_PKT_SVE_SG)
+						decoder->record.op |= ARM_SPE_OP_SG;
 				}
 
 				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 9b7b6c42505f43c32a188b6e9769390f057adce8..87d45c11ad7483c167b4d9cb2e481a001f54e5cc 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
@@ -52,6 +52,8 @@ enum arm_spe_op_type {
 	ARM_SPE_OP_EXCL			= 1 << 23,
 	ARM_SPE_OP_AR			= 1 << 24,
 	ARM_SPE_OP_DP			= 1 << 25,	/* Data processing */
+	ARM_SPE_OP_PRED			= 1 << 26,	/* Predicated */
+	ARM_SPE_OP_SG			= 1 << 27,	/* Gather/Scatter */
 
 	/* Second level operation type for BRANCH_ERET */
 	ARM_SPE_OP_BR_COND		= 1 << 8,

-- 
2.34.1




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