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Diffstat (limited to 'tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c')
-rw-r--r--tools/perf/util/arm-spe-decoder/arm-spe-pkt-decoder.c105
1 files changed, 65 insertions, 40 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 2f311189c6e8..5769ba2f4140 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
@@ -10,24 +10,11 @@
#include <byteswap.h>
#include <linux/bitops.h>
#include <stdarg.h>
+#include <linux/kernel.h>
+#include <linux/unaligned.h>
#include "arm-spe-pkt-decoder.h"
-#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
-#define le16_to_cpu bswap_16
-#define le32_to_cpu bswap_32
-#define le64_to_cpu bswap_64
-#define memcpy_le64(d, s, n) do { \
- memcpy((d), (s), (n)); \
- *(d) = le64_to_cpu(*(d)); \
-} while (0)
-#else
-#define le16_to_cpu
-#define le32_to_cpu
-#define le64_to_cpu
-#define memcpy_le64 memcpy
-#endif
-
static const char * const arm_spe_packet_name[] = {
[ARM_SPE_PAD] = "PAD",
[ARM_SPE_END] = "END",
@@ -70,9 +57,9 @@ static int arm_spe_get_payload(const unsigned char *buf, size_t len,
switch (payload_len) {
case 1: packet->payload = *(uint8_t *)buf; break;
- case 2: packet->payload = le16_to_cpu(*(uint16_t *)buf); break;
- case 4: packet->payload = le32_to_cpu(*(uint32_t *)buf); break;
- case 8: packet->payload = le64_to_cpu(*(uint64_t *)buf); break;
+ case 2: packet->payload = get_unaligned_le16(buf); break;
+ case 4: packet->payload = get_unaligned_le32(buf); break;
+ case 8: packet->payload = get_unaligned_le64(buf); break;
default: return ARM_SPE_BAD_PACKET;
}
@@ -321,10 +308,26 @@ static int arm_spe_pkt_desc_event(const struct arm_spe_pkt *packet,
arm_spe_pkt_out_string(&err, &buf, &buf_len, " REMOTE-ACCESS");
if (payload & BIT(EV_ALIGNMENT))
arm_spe_pkt_out_string(&err, &buf, &buf_len, " ALIGNMENT");
+ if (payload & BIT(EV_TRANSACTIONAL))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " TXN");
if (payload & BIT(EV_PARTIAL_PREDICATE))
arm_spe_pkt_out_string(&err, &buf, &buf_len, " SVE-PARTIAL-PRED");
if (payload & BIT(EV_EMPTY_PREDICATE))
arm_spe_pkt_out_string(&err, &buf, &buf_len, " SVE-EMPTY-PRED");
+ if (payload & BIT(EV_L2D_ACCESS))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " L2D-ACCESS");
+ if (payload & BIT(EV_L2D_MISS))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " L2D-MISS");
+ if (payload & BIT(EV_CACHE_DATA_MODIFIED))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " HITM");
+ if (payload & BIT(EV_RECENTLY_FETCHED))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " LFB");
+ if (payload & BIT(EV_DATA_SNOOPED))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " SNOOPED");
+ if (payload & BIT(EV_STREAMING_SVE_MODE))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " STREAMING-SVE");
+ if (payload & BIT(EV_SMCU))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " SMCU");
return err;
}
@@ -337,7 +340,7 @@ static int arm_spe_pkt_desc_op_type(const struct arm_spe_pkt *packet,
switch (packet->index) {
case SPE_OP_PKT_HDR_CLASS_OTHER:
- if (SPE_OP_PKT_IS_OTHER_SVE_OP(payload)) {
+ if (SPE_OP_PKT_OTHER_SUBCLASS_SVE(payload)) {
arm_spe_pkt_out_string(&err, &buf, &buf_len, "SVE-OTHER");
/* SVE effective vector length */
@@ -348,8 +351,21 @@ 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_SME(payload)) {
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, "SME-OTHER");
+
+ /* SME effective vector length or tile size */
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " ETS %d",
+ SPE_OP_PKG_SME_ETS(payload));
+
+ if (payload & SPE_OP_PKT_OTHER_FP)
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " FP");
+ } 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");
@@ -359,33 +375,30 @@ static int arm_spe_pkt_desc_op_type(const struct arm_spe_pkt *packet,
arm_spe_pkt_out_string(&err, &buf, &buf_len,
payload & 0x1 ? "ST" : "LD");
- if (SPE_OP_PKT_IS_LDST_ATOMIC(payload)) {
+ if (SPE_OP_PKT_LDST_SUBCLASS_EXTENDED(payload)) {
if (payload & SPE_OP_PKT_AT)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " AT");
if (payload & SPE_OP_PKT_EXCL)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " EXCL");
if (payload & SPE_OP_PKT_AR)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " AR");
- }
-
- switch (SPE_OP_PKT_LDST_SUBCLASS_GET(payload)) {
- case SPE_OP_PKT_LDST_SUBCLASS_SIMD_FP:
+ } else if (SPE_OP_PKT_LDST_SUBCLASS_SIMD_FP(payload)) {
arm_spe_pkt_out_string(&err, &buf, &buf_len, " SIMD-FP");
- break;
- case SPE_OP_PKT_LDST_SUBCLASS_GP_REG:
+ } else if (SPE_OP_PKT_LDST_SUBCLASS_GP_REG(payload)) {
arm_spe_pkt_out_string(&err, &buf, &buf_len, " GP-REG");
- break;
- case SPE_OP_PKT_LDST_SUBCLASS_UNSPEC_REG:
+ } else if (SPE_OP_PKT_LDST_SUBCLASS_UNSPEC_REG(payload)) {
arm_spe_pkt_out_string(&err, &buf, &buf_len, " UNSPEC-REG");
- break;
- case SPE_OP_PKT_LDST_SUBCLASS_NV_SYSREG:
+ } else if (SPE_OP_PKT_LDST_SUBCLASS_NV_SYSREG(payload)) {
arm_spe_pkt_out_string(&err, &buf, &buf_len, " NV-SYSREG");
- break;
- default:
- break;
- }
+ } else if (SPE_OP_PKT_LDST_SUBCLASS_MTE_TAG(payload)) {
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " MTE-TAG");
+ } else if (SPE_OP_PKT_LDST_SUBCLASS_MEMCPY(payload)) {
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " MEMCPY");
+ } else if (SPE_OP_PKT_LDST_SUBCLASS_MEMSET(payload)) {
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " MEMSET");
+ } else if (SPE_OP_PKT_LDST_SUBCLASS_SVE_SME_REG(payload)) {
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " SVE-SME-REG");
- if (SPE_OP_PKT_IS_LDST_SVE(payload)) {
/* SVE effective vector length */
arm_spe_pkt_out_string(&err, &buf, &buf_len, " EVLEN %d",
SPE_OP_PKG_SVE_EVL(payload));
@@ -394,6 +407,10 @@ 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:
@@ -401,10 +418,16 @@ static int arm_spe_pkt_desc_op_type(const struct arm_spe_pkt *packet,
if (payload & SPE_OP_PKT_COND)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " COND");
-
- if (SPE_OP_PKT_IS_INDIRECT_BRANCH(payload))
+ if (payload & SPE_OP_PKT_INDIRECT_BRANCH)
arm_spe_pkt_out_string(&err, &buf, &buf_len, " IND");
-
+ if (payload & SPE_OP_PKT_GCS)
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " GCS");
+ if (SPE_OP_PKT_CR_BL(payload))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " CR-BL");
+ if (SPE_OP_PKT_CR_RET(payload))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " CR-RET");
+ if (SPE_OP_PKT_CR_NON_BL_RET(payload))
+ arm_spe_pkt_out_string(&err, &buf, &buf_len, " CR-NON-BL-RET");
break;
default:
/* Unknown index */
@@ -422,16 +445,18 @@ static int arm_spe_pkt_desc_addr(const struct arm_spe_pkt *packet,
int ch, pat;
u64 payload = packet->payload;
int err = 0;
+ static const char *idx_name[] = {"PC", "TGT", "VA", "PA", "PBT"};
switch (idx) {
case SPE_ADDR_PKT_HDR_INDEX_INS:
case SPE_ADDR_PKT_HDR_INDEX_BRANCH:
+ case SPE_ADDR_PKT_HDR_INDEX_PREV_BRANCH:
ns = !!SPE_ADDR_PKT_GET_NS(payload);
el = SPE_ADDR_PKT_GET_EL(payload);
payload = SPE_ADDR_PKT_ADDR_GET_BYTES_0_6(payload);
arm_spe_pkt_out_string(&err, &buf, &buf_len,
"%s 0x%llx el%d ns=%d",
- (idx == 1) ? "TGT" : "PC", payload, el, ns);
+ idx_name[idx], payload, el, ns);
break;
case SPE_ADDR_PKT_HDR_INDEX_DATA_VIRT:
arm_spe_pkt_out_string(&err, &buf, &buf_len,
generated by cgit (git 2.34.1) at 2025-12-26 10:49:59 +0000