[PATCH v2 16/25] perf arm_spe: Expose SIMD information in other operations
From: Leo Yan <leo.yan@arm.com>
Date: 2025-10-17 10:06:00
Also in:
linux-perf-users
Subsystem:
performance events subsystem, performance events tooling arm64, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
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@arm.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