Thread (10 messages) 10 messages, 1 author, 2026-01-16
STALE177d REVIEWED: 4 (4M)

[PATCH RESEND v4 4/8] perf arm_spe: Set extended fields in data source

From: Leo Yan <leo.yan@arm.com>
Date: 2026-01-06 12:08:21
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

Set extended operation type and affiliate info in the data source.

Before:

  perf script -F,dso,sym,data_src
  sve-test 6516696.714341:        288100144 |OP STORE|LVL L1 hit|SNP None|TLB Walker hit|LCK No|BLK  N/A|AFF N/A
  sve-test 6516696.714341:        288100144 |OP STORE|LVL L1 hit|SNP None|TLB Walker hit|LCK No|BLK  N/A|AFF N/A
  sve-test 6516696.714341:        288100144 |OP STORE|LVL L1 hit|SNP None|TLB Walker hit|LCK No|BLK  N/A|AFF N/A
  sve-test 6516696.714344:        288800142 |OP LOAD|LVL L1 hit|SNP HitM|TLB Walker hit|LCK No|BLK  N/A|AFF N/A
  sve-test 6516696.714344:        288800142 |OP LOAD|LVL L1 hit|SNP HitM|TLB Walker hit|LCK No|BLK  N/A|AFF N/A

After:

  perf script -F,dso,sym,data_src
  sve-test 6516696.714341:  444000288100144 |OP STORE SIMD|LVL L1 hit|SNP None|TLB Walker hit|LCK No|BLK  N/A|AFF PRED SG
  sve-test 6516696.714341:  444000288100144 |OP STORE SIMD|LVL L1 hit|SNP None|TLB Walker hit|LCK No|BLK  N/A|AFF PRED SG
  sve-test 6516696.714341:  444000288100144 |OP STORE SIMD|LVL L1 hit|SNP None|TLB Walker hit|LCK No|BLK  N/A|AFF PRED SG
  sve-test 6516696.714344:        288800142 |OP LOAD|LVL L1 hit|SNP HitM|TLB Walker hit|LCK No|BLK  N/A|AFF N/A
  sve-test 6516696.714344:        288800142 |OP LOAD|LVL L1 hit|SNP HitM|TLB Walker hit|LCK No|BLK  N/A|AFF N/A

Reviewed-by: James Clark <james.clark@linaro.org>
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
---
 tools/perf/util/arm-spe.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index dc19e72258f30dd6d89dafbb70cc5f7b5c485589..8e9004213e163a46fcacecb4ee32e199a0ec50b2 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -1006,6 +1006,36 @@ arm_spe__synth_data_source(struct arm_spe_queue *speq,
 	else
 		data_src.mem_op = PERF_MEM_OP_NA;
 
+	if (record->op & ARM_SPE_OP_MTE_TAG)
+		data_src.mem_op_ext = PERF_MEM_EXT_OP_MTE_TAG;
+	else if (record->op & ARM_SPE_OP_NV_SYSREG)
+		data_src.mem_op_ext = PERF_MEM_EXT_OP_NESTED_VIRT;
+	else if (record->op & ARM_SPE_OP_MEMCPY)
+		data_src.mem_op_ext = PERF_MEM_EXT_OP_MEMCPY;
+	else if (record->op & ARM_SPE_OP_MEMSET)
+		data_src.mem_op_ext = PERF_MEM_EXT_OP_MEMSET;
+	else if (record->op & ARM_SPE_OP_GCS)
+		data_src.mem_op_ext = PERF_MEM_EXT_OP_GCS;
+	else if (is_simd_op(record->op))
+		data_src.mem_op_ext = PERF_MEM_EXT_OP_SIMD;
+
+	if (record->op & ARM_SPE_OP_DP)
+		data_src.mem_dp = 1;
+	if (record->op & ARM_SPE_OP_FP)
+		data_src.mem_fp = 1;
+	if (record->op & ARM_SPE_OP_PRED)
+		data_src.mem_pred = 1;
+	if (record->op & ARM_SPE_OP_ATOMIC)
+		data_src.mem_atomic = 1;
+	if (record->op & ARM_SPE_OP_EXCL)
+		data_src.mem_excl = 1;
+	if (record->op & ARM_SPE_OP_AR)
+		data_src.mem_ar = 1;
+	if (record->op & ARM_SPE_OP_SG)
+		data_src.mem_sg = 1;
+	if (record->op & ARM_SPE_OP_COND)
+		data_src.mem_cond = 1;
+
 	arm_spe__synth_ds(speq, record, &data_src);
 	arm_spe__synth_memory_level(speq, record, &data_src);
 
-- 
2.34.1

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