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-rw-r--r--tools/perf/pmu-events/arch/x86/knightslanding/floating-point.json8
1 files changed, 4 insertions, 4 deletions
diff --git a/tools/perf/pmu-events/arch/x86/knightslanding/floating-point.json b/tools/perf/pmu-events/arch/x86/knightslanding/floating-point.json
index ecc96f32f167..089aa3ef345d 100644
--- a/tools/perf/pmu-events/arch/x86/knightslanding/floating-point.json
+++ b/tools/perf/pmu-events/arch/x86/knightslanding/floating-point.json
@@ -8,18 +8,18 @@
"UMask": "0x4"
},
{
- "BriefDescription": "Counts the number of vector SSE, AVX, AVX2, AVX-512 micro-ops retired. More specifically, it counts packed SSE, AVX, AVX2, AVX-512 micro-ops (both floating point and integer) except for loads (memory-to-register mov-type micro-ops), packed byte and word multiplies.",
+ "BriefDescription": "Counts the number of packed SSE, AVX, AVX2, AVX-512 micro-ops (both floating point and integer) except for loads (memory-to-register mov-type micro-ops), packed byte and word multiplies.",
"EventCode": "0xC2",
"EventName": "UOPS_RETIRED.PACKED_SIMD",
- "PublicDescription": "This event counts the number of packed vector SSE, AVX, AVX2, and AVX-512 micro-ops retired (floating point, integer and store) except for loads (memory-to-register mov-type micro-ops), packed byte and word multiplies.",
+ "PublicDescription": "The length of the packed operation (128bits, 256bits or 512bits) is not taken into account when updating the counter; all count the same (+1). \r\nMask (k) registers are ignored. For example: a micro-op operating with a mask that only enables one element or even zero elements will still trigger this counter (+1)\r\nThis event is defined at the micro-op level and not instruction level. Most instructions are implemented with one micro-op but not all.",
"SampleAfterValue": "200003",
"UMask": "0x40"
},
{
- "BriefDescription": "Counts the number of scalar SSE, AVX, AVX2, AVX-512 micro-ops retired. More specifically, it counts scalar SSE, AVX, AVX2, AVX-512 micro-ops except for loads (memory-to-register mov-type micro ops), division, sqrt.",
+ "BriefDescription": "Counts the number of scalar SSE, AVX, AVX2, AVX-512 micro-ops except for loads (memory-to-register mov-type micro ops), division, sqrt.",
"EventCode": "0xC2",
"EventName": "UOPS_RETIRED.SCALAR_SIMD",
- "PublicDescription": "This event counts the number of scalar SSE, AVX, AVX2, AVX-512 micro-ops retired (floating point, integer and store) except for loads (memory-to-register mov-type micro ops), division, sqrt.",
+ "PublicDescription": "This event is defined at the micro-op level and not instruction level. Most instructions are implemented with one micro-op but not all.",
"SampleAfterValue": "200003",
"UMask": "0x20"
}