[PATCH v3 12/25] perf arm_spe: Report extended memory operations in records
From: Leo Yan <leo.yan@arm.com>
Date: 2025-11-12 18:25:19
Also in:
linux-perf-users, lkml
Subsystem:
performance events subsystem, performance events tooling arm64, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Extended memory operations include atomic (AT), acquire/release (AR), and exclusive (EXCL) operations. Save the relevant information in the records. Signed-off-by: Leo Yan <leo.yan@arm.com> --- tools/perf/util/arm-spe-decoder/arm-spe-decoder.c | 7 +++++++ 1 file changed, 7 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 6696448bdf4f347e2032a1b4da46fcdd4016f9fc..949c20816826a4d45d6cf9a5efaa125acea90b0a 100644
--- a/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
+++ b/tools/perf/util/arm-spe-decoder/arm-spe-decoder.c@@ -211,6 +211,13 @@ static int arm_spe_read_record(struct arm_spe_decoder *decoder) decoder->record.op |= ARM_SPE_OP_NV_SYSREG; } else if (SPE_OP_PKT_LDST_SUBCLASS_MTE_TAG(payload)) { decoder->record.op |= ARM_SPE_OP_MTE_TAG; + } else if (SPE_OP_PKT_LDST_SUBCLASS_EXTENDED(payload)) { + if (payload & SPE_OP_PKT_AR) + decoder->record.op |= ARM_SPE_OP_AR; + if (payload & SPE_OP_PKT_EXCL) + decoder->record.op |= ARM_SPE_OP_EXCL; + if (payload & SPE_OP_PKT_AT) + 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; }
--
2.34.1