Commonly Used Metrics for Performance Analysis - Power.org

Metrics for Performance Analysis12.3 Event GroupsThese events are listed in Table 12-1. The relevant events are listed alphabetically by name and each rowincludes the name of a PMC group where the event can be found and a short description. The PMC groupcan be used with tools like hpmcount (see Section 4.2.1) to collect several events at once, minimizing thenumber of runs needed to collect a complete set of data. Events can be used with perf (see Section 5.1),oprofile (see Section 5.2) or tprof (see Section 4.3)The list of groups needed (and the relevant events they include) is provided in Table 12-2.Table 12-1 Address translation events with their corresponding event groups and brief descriptionEvent Name Group Name Event DescriptionPM_DERAT_MISS_4K pm_derat_miss1 DERAT misses for 4K pagePM_DERAT_MISS_64K pm_derat_miss1 DERAT misses for 64K pagePM_DERAT_MISS_16M pm_derat_miss1 DERAT misses for 16M pagePM_DERAT_MISS_16G pm_derat_miss1 DERAT misses for 16G pagePM_DSLB_MISSpm_misc_miss5Data SLB Miss - Total of allsegment sizesPM_DTLB_MISS pm_id_miss_erat_tlab TLB reload validPM_IERAT_MISS pm_misc_miss5 IERAT MissPM_ISLB_MISSpm_misc_miss5Instruction SLB Miss - Tota of allsegment sizesPM_L1_ICACHE_MISS pm_id_miss_erat_l1 Demand iCache MissPM_LSU_DERAT_MISSpm_id_miss_erat_tlabDERAT Reloaded due to aDERAT missPM_RUN_INST_CMPL pm_derat_miss1 Run_InstructionsTable 12-2 Events sorted by GroupGroup NameEvent Namepm_derat_miss1PM_DERAT_MISS_4KPM_DERAT_MISS_64KPM_DERAT_MISS_16MPM_DERAT_MISS_16GPM_RUN_INST_CMPLpm_id_miss_erat_l1 PM_L1_ICACHE_MISSpm_id_miss_erat_tlab PM_DTLB_MISSPM_LSU_DERAT_MISSpm_misc_miss5PM_DSLB_MISSPM_IERAT_MISSPM_ISLB_MISSCopyright ©2011 IBM Corporation Page 39 of 52