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Linux/tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/retired.json

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  1 [
  2     {
  3         "ArchStdEvent": "SW_INCR",
  4         "PublicDescription": "Counts software writes to the PMSWINC_EL0 (software PMU increment) register. The PMSWINC_EL0 register is a manually updated counter for use by application software.\n\nThis event could be used to measure any user program event, such as accesses to a particular data structure (by writing to the PMSWINC_EL0 register each time the data structure is accessed).\n\nTo use the PMSWINC_EL0 register and event, developers must insert instructions that write to the PMSWINC_EL0 register into the source code.\n\nSince the SW_INCR event records writes to the PMSWINC_EL0 register, there is no need to do a read/increment/write sequence to the PMSWINC_EL0 register."
  5     },
  6     {
  7         "ArchStdEvent": "INST_RETIRED",
  8         "PublicDescription": "Counts instructions that have been architecturally executed."
  9     },
 10     {
 11         "ArchStdEvent": "CID_WRITE_RETIRED",
 12         "PublicDescription": "Counts architecturally executed writes to the CONTEXTIDR register, which usually contain the kernel PID and can be output with hardware trace."
 13     },
 14     {
 15         "ArchStdEvent": "TTBR_WRITE_RETIRED",
 16         "PublicDescription": "Counts architectural writes to TTBR0/1_EL1. If virtualization host extensions are enabled (by setting the HCR_EL2.E2H bit to 1), then accesses to TTBR0/1_EL1 that are redirected to TTBR0/1_EL2, or accesses to TTBR0/1_EL12, are counted. TTBRn registers are typically updated when the kernel is swapping user-space threads or applications."
 17     },
 18     {
 19         "ArchStdEvent": "BR_RETIRED",
 20         "PublicDescription": "Counts architecturally executed branches, whether the branch is taken or not. Instructions that explicitly write to the PC are also counted."
 21     },
 22     {
 23         "ArchStdEvent": "BR_MIS_PRED_RETIRED",
 24         "PublicDescription": "Counts branches counted by BR_RETIRED which were mispredicted and caused a pipeline flush."
 25     },
 26     {
 27         "ArchStdEvent": "OP_RETIRED",
 28         "PublicDescription": "Counts micro-operations that are architecturally executed. This is a count of number of micro-operations retired from the commit queue in a single cycle."
 29     }
 30 ]

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