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perf arm_spe: Decode ASE and FP fields in other operation

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Add a check for other operation, which prevents any incorrectly
classifying. Parse the ASE and FP fields.

After:

  .  0000002f:  48 06                                           OTHER ASE FP INSN-OTHER
  .  00000031:  b2 08 80 48 01 08 00 ff ff                      VA 0xffff000801488008
  .  0000003a:  9a 00 00                                        LAT 0 XLAT
  .  0000003d:  42 16                                           EV RETIRED L1D-ACCESS TLB-ACCESS

Signed-off-by: Leo Yan <leo.yan@arm.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Reviewed-by: James Clark <james.clark@linaro.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Leo Yan 2025-11-12 18:24:31 +00:00 committed by Namhyung Kim
parent c8bf2a05df
commit 876294a645
2 changed files with 9 additions and 1 deletions
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6
tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c
View File

@ -351,8 +351,12 @@ static int arm_spe_pkt_desc_op_type(const struct arm_spe_pkt *packet,
arm_spe_pkt_out_string(&err, &buf, &buf_len, " FP");
if (payload & SPE_OP_PKT_SVE_PRED)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " PRED");
} else {
} else if (SPE_OP_PKT_OTHER_SUBCLASS_OTHER(payload)) {
arm_spe_pkt_out_string(&err, &buf, &buf_len, "OTHER");
if (payload & SPE_OP_PKT_OTHER_ASE)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " ASE");
if (payload & SPE_OP_PKT_OTHER_FP)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " FP");
arm_spe_pkt_out_string(&err, &buf, &buf_len, " %s",
payload & SPE_OP_PKT_COND ?
"COND-SELECT" : "INSN-OTHER");

4
tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h
View File

@ -123,8 +123,12 @@ enum arm_spe_events {
#define SPE_OP_PKT_HDR_CLASS_LD_ST_ATOMIC 0x1
#define SPE_OP_PKT_HDR_CLASS_BR_ERET 0x2
#define SPE_OP_PKT_OTHER_SUBCLASS_OTHER(v) (((v) & GENMASK_ULL(7, 3)) == 0x0)
#define SPE_OP_PKT_OTHER_SUBCLASS_SVE(v) (((v) & (BIT(7) | BIT(3) | BIT(0))) == 0x8)
#define SPE_OP_PKT_OTHER_ASE BIT(2)
#define SPE_OP_PKT_OTHER_FP BIT(1)
#define SPE_OP_PKT_LDST_SUBCLASS_GP_REG(v) (((v) & GENMASK_ULL(7, 1)) == 0x0)
#define SPE_OP_PKT_LDST_SUBCLASS_SIMD_FP(v) (((v) & GENMASK_ULL(7, 1)) == 0x4)
#define SPE_OP_PKT_LDST_SUBCLASS_UNSPEC_REG(v) (((v) & GENMASK_ULL(7, 1)) == 0x10)