[PATCH 2/2] perf vendor events amd: Update Zen 6 core events
From: Sandipan Das
Date: Mon Jun 01 2026 - 12:21:46 EST
Update definitions for the following events.
* PMCx00A - Fix descriptions
* PMCx00C - Add missing unit masks
* PMCx00D - Add missing unit masks and fix descriptions
* PMCx013 - Fix incorrect unit masks
Fixes: 2f42fb0661d9 ("perf vendor events amd: Add Zen 6 core events")
Signed-off-by: Sandipan Das <sandipan.das@xxxxxxx>
---
.../arch/x86/amdzen6/floating-point.json | 34 ++++++++++++++++---
1 file changed, 29 insertions(+), 5 deletions(-)
diff --git a/tools/perf/pmu-events/arch/x86/amdzen6/floating-point.json b/tools/perf/pmu-events/arch/x86/amdzen6/floating-point.json
index 03cb039434de..71b883776f37 100644
--- a/tools/perf/pmu-events/arch/x86/amdzen6/floating-point.json
+++ b/tools/perf/pmu-events/arch/x86/amdzen6/floating-point.json
@@ -212,7 +212,7 @@
{
"EventName": "fp_ops_ret_by_type.scalar_logical",
"EventCode": "0x0a",
- "BriefDescription": "Retired scalar floating-point move uops.",
+ "BriefDescription": "Retired scalar floating-point logical uops.",
"UMask": "0x0d"
},
{
@@ -665,6 +665,12 @@
"BriefDescription": "Retired 256-bit packed floating-point shuffle uops (may include instructions not necessarily thought of as including shuffles e.g. horizontal add, dot product, and certain MOV instructions).",
"UMask": "0xb0"
},
+ {
+ "EventName": "fp_pack_ops_ret.fp256_bfloat",
+ "EventCode": "0x0c",
+ "BriefDescription": "Retired 256-bit packed floating-point bfloat uops.",
+ "UMask": "0xc0"
+ },
{
"EventName": "fp_pack_ops_ret.fp256_logical",
"EventCode": "0x0c",
@@ -758,7 +764,7 @@
{
"EventName": "fp_pack_int_ops_ret.int128_vnni",
"EventCode": "0x0d",
- "BriefDescription": "Retired 128-bit packed integer VNNI ops.",
+ "BriefDescription": "Retired 128-bit packed integer VNNI uops.",
"UMask": "0x0c"
},
{
@@ -803,12 +809,30 @@
"BriefDescription": "Retired 256-bit packed integer multiply-accumulate uops.",
"UMask": "0x40"
},
+ {
+ "EventName": "fp_pack_int_ops_ret.int256_aes",
+ "EventCode": "0x0d",
+ "BriefDescription": "Retired 256-bit packed integer AES uops.",
+ "UMask": "0x50"
+ },
+ {
+ "EventName": "fp_pack_int_ops_ret.int256_sha",
+ "EventCode": "0x0d",
+ "BriefDescription": "Retired 256-bit packed integer SHA uops.",
+ "UMask": "0x60"
+ },
{
"EventName": "fp_pack_int_ops_ret.int256_cmp",
"EventCode": "0x0d",
"BriefDescription": "Retired 256-bit packed integer compare uops.",
"UMask": "0x70"
},
+ {
+ "EventName": "fp_pack_int_ops_ret.int256_cvt",
+ "EventCode": "0x0d",
+ "BriefDescription": "Retired 256-bit packed integer convert or pack uops.",
+ "UMask": "0x80"
+ },
{
"EventName": "fp_pack_int_ops_ret.int256_shift",
"EventCode": "0x0d",
@@ -1083,19 +1107,19 @@
"EventName": "fp_nsq_read_stalls.fp_prf",
"EventCode": "0x13",
"BriefDescription": "Cycles when reads of the NSQ and writes to the floating-point or SIMD schedulers are stalled due to insufficient free physical register file (FP-PRF) entries.",
- "UMask": "0x0e"
+ "UMask": "0x02"
},
{
"EventName": "fp_nsq_read_stalls.k_prf",
"EventCode": "0x13",
"BriefDescription": "Cycles when reads of the NSQ and writes to the floating-point or SIMD schedulers are stalled due to insufficient free mask physical register file (K-PRF) entries.",
- "UMask": "0x0e"
+ "UMask": "0x04"
},
{
"EventName": "fp_nsq_read_stalls.fp_sq",
"EventCode": "0x13",
"BriefDescription": "Cycles when reads of the NSQ and writes to the floating-point or SIMD schedulers are stalled due to insufficient free scheduler entries.",
- "UMask": "0x0e"
+ "UMask": "0x08"
},
{
"EventName": "fp_nsq_read_stalls.all",
--
2.53.0