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frontend.json

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linux-6.19.14/tools/perf/pmu-events/arch/x86/sierraforest/frontend.json JSON
  1[
  2    {
  3        "BriefDescription": "Counts the total number of BACLEARS due to all branch types including conditional and unconditional jumps, returns, and indirect branches.",
  4        "Counter": "0,1,2,3,4,5,6,7",
  5        "EventCode": "0xe6",
  6        "EventName": "BACLEARS.ANY",
  7        "PublicDescription": "Counts the total number of BACLEARS, which occur when the Branch Target Buffer (BTB) prediction or lack thereof, was corrected by a later branch predictor in the frontend.  Includes BACLEARS due to all branch types including conditional and unconditional jumps, returns, and indirect branches.",
  8        "SampleAfterValue": "200003",
  9        "UMask": "0x1"
 10    },
 11    {
 12        "BriefDescription": "Counts the number of instructions retired that were tagged with having preceded with frontend bound behavior",
 13        "Counter": "0,1,2,3,4,5,6,7",
 14        "EventCode": "0xc6",
 15        "EventName": "FRONTEND_RETIRED.ALL",
 16        "SampleAfterValue": "1000003"
 17    },
 18    {
 19        "BriefDescription": "Counts the number of instruction retired that are tagged after a branch instruction causes bubbles/empty issue slots due to a baclear",
 20        "Counter": "0,1,2,3,4,5,6,7",
 21        "EventCode": "0xc6",
 22        "EventName": "FRONTEND_RETIRED.BRANCH_DETECT",
 23        "SampleAfterValue": "1000003",
 24        "UMask": "0x2"
 25    },
 26    {
 27        "BriefDescription": "Counts the number of instruction retired that are tagged after a branch instruction causes bubbles /empty issue slots due to a btclear",
 28        "Counter": "0,1,2,3,4,5,6,7",
 29        "EventCode": "0xc6",
 30        "EventName": "FRONTEND_RETIRED.BRANCH_RESTEER",
 31        "SampleAfterValue": "1000003",
 32        "UMask": "0x40"
 33    },
 34    {
 35        "BriefDescription": "Counts the number of instructions retired that were tagged following an ms flow due to the bubble/wasted issue slot from exiting long ms flow",
 36        "Counter": "0,1,2,3,4,5,6,7",
 37        "EventCode": "0xc6",
 38        "EventName": "FRONTEND_RETIRED.CISC",
 39        "PublicDescription": "Counts the number of  instructions retired that were tagged following an ms flow due to the bubble/wasted issue slot from exiting long ms flow",
 40        "SampleAfterValue": "1000003",
 41        "UMask": "0x1"
 42    },
 43    {
 44        "BriefDescription": "Counts the number of instructions retired that were tagged every cycle the decoder is unable to send 3 uops per cycle.",
 45        "Counter": "0,1,2,3,4,5,6,7",
 46        "EventCode": "0xc6",
 47        "EventName": "FRONTEND_RETIRED.DECODE",
 48        "SampleAfterValue": "1000003",
 49        "UMask": "0x8"
 50    },
 51    {
 52        "BriefDescription": "Counts the number of instructions retired that were tagged because empty issue slots were seen before the uop due to icache miss",
 53        "Counter": "0,1,2,3,4,5,6,7",
 54        "EventCode": "0xc6",
 55        "EventName": "FRONTEND_RETIRED.ICACHE",
 56        "SampleAfterValue": "1000003",
 57        "UMask": "0x20"
 58    },
 59    {
 60        "BriefDescription": "Counts the number of instructions retired that were tagged because empty issue slots were seen before the uop due to ITLB miss",
 61        "Counter": "0,1,2,3,4,5,6,7",
 62        "EventCode": "0xc6",
 63        "EventName": "FRONTEND_RETIRED.ITLB_MISS",
 64        "SampleAfterValue": "1000003",
 65        "UMask": "0x10"
 66    },
 67    {
 68        "BriefDescription": "Counts the number of instruction retired tagged after a wasted issue slot if none of the previous events occurred",
 69        "Counter": "0,1,2,3,4,5,6,7",
 70        "EventCode": "0xc6",
 71        "EventName": "FRONTEND_RETIRED.OTHER",
 72        "SampleAfterValue": "1000003",
 73        "UMask": "0x80"
 74    },
 75    {
 76        "BriefDescription": "Counts the number of instruction retired that are tagged after a branch instruction causes bubbles/empty issue slots due to a predecode wrong.",
 77        "Counter": "0,1,2,3,4,5,6,7",
 78        "EventCode": "0xc6",
 79        "EventName": "FRONTEND_RETIRED.PREDECODE",
 80        "SampleAfterValue": "1000003",
 81        "UMask": "0x4"
 82    },
 83    {
 84        "BriefDescription": "Counts every time the code stream enters into a new cache line by walking sequential from the previous line or being redirected by a jump.",
 85        "Counter": "0,1,2,3,4,5,6,7",
 86        "EventCode": "0x80",
 87        "EventName": "ICACHE.ACCESSES",
 88        "SampleAfterValue": "200003",
 89        "UMask": "0x3"
 90    },
 91    {
 92        "BriefDescription": "Counts every time the code stream enters into a new cache line by walking sequential from the previous line or being redirected by a jump and the instruction cache registers bytes are not present. -",
 93        "Counter": "0,1,2,3,4,5,6,7",
 94        "EventCode": "0x80",
 95        "EventName": "ICACHE.MISSES",
 96        "SampleAfterValue": "200003",
 97        "UMask": "0x2"
 98    },
 99    {
100        "BriefDescription": "Counts the number of cycles that the micro-sequencer is busy.",
101        "Counter": "0,1,2,3,4,5,6,7",
102        "EventCode": "0xe7",
103        "EventName": "MS_DECODED.MS_BUSY",
104        "SampleAfterValue": "1000003",
105        "UMask": "0x4"
106    }
107]
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