diff options
| author | Leo Yan <leo.yan@arm.com> | 2025-11-12 18:24:29 +0000 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2025-11-18 20:31:29 -0800 |
| commit | b4eaece3d9df603772070f03d3086746c113ae2e (patch) | |
| tree | 9feedb9997e90c2c8e0cc4737d82c1aab1b915da /tools/perf/util | |
| parent | b61ca7219db82f474e71ec5ab68eb5370ce18df2 (diff) | |
perf arm_spe: Decode GCS operation
Decode a load or store from a GCS operation and the associated "common"
field.
After:
. 00000000: 49 44 LD GCS COMM
. 00000002: b2 18 3c d7 83 00 80 ff ff VA 0xffff800083d73c18
. 0000000b: 9a 00 00 LAT 0 XLAT
. 0000000e: 43 00 DATA-SOURCE 0
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>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c | 4 | ||||
| -rw-r--r-- | tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c index f6e9c58ce62f..0046079edacc 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c @@ -394,6 +394,10 @@ static int arm_spe_pkt_desc_op_type(const struct arm_spe_pkt *packet, arm_spe_pkt_out_string(&err, &buf, &buf_len, " PRED"); if (payload & SPE_OP_PKT_SVE_SG) arm_spe_pkt_out_string(&err, &buf, &buf_len, " SG"); + } else if (SPE_OP_PKT_LDST_SUBCLASS_GCS(payload)) { + arm_spe_pkt_out_string(&err, &buf, &buf_len, " GCS"); + if (payload & SPE_OP_PKT_GCS_COMM) + arm_spe_pkt_out_string(&err, &buf, &buf_len, " COMM"); } break; case SPE_OP_PKT_HDR_CLASS_BR_ERET: diff --git a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h index cb947e625918..94333e7bc382 100644 --- a/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h +++ b/tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.h @@ -154,6 +154,10 @@ enum arm_spe_events { #define SPE_OP_PKT_SVE_PRED BIT(2) #define SPE_OP_PKT_SVE_FP BIT(1) +#define SPE_OP_PKT_LDST_SUBCLASS_GCS(v) (((v) & (GENMASK_ULL(7, 3) | BIT(1))) == 0x40) + +#define SPE_OP_PKT_GCS_COMM BIT(2) + #define SPE_OP_PKT_CR_MASK GENMASK_ULL(4, 3) #define SPE_OP_PKT_CR_BL(v) (FIELD_GET(SPE_OP_PKT_CR_MASK, (v)) == 1) #define SPE_OP_PKT_CR_RET(v) (FIELD_GET(SPE_OP_PKT_CR_MASK, (v)) == 2) |