** Changed in: ubuntu-power-systems Status: New => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1714571
Title: [P9,POwer NV] Perf PMU event : pm_br_2path and pm_ld_miss_l1 is counted twice when perf stat is done (perf:) Status in The Ubuntu-power-systems project: Fix Committed Status in linux package in Ubuntu: Fix Committed Bug description: == Comment: #0 - Sukadev Bhattiprolu - 2017-09-01 12:56:47 == ---Problem Description--- Problem description : ============= Perf PMU event : pm_br_2path and pm_ld_miss_l1 is counted twice , it is because two raw point to the same name. [ {, "EventCode": "0x20036", "EventName": "PM_BR_2PATH", "BriefDescription": "Branches that are not strongly biased", "PublicDescription": "" }, {, "EventCode": "0x40036", "EventName": "PM_BR_2PATH", "BriefDescription": "Branches that are not strongly biased", "PublicDescription": "" }, Ex : === [root@zzfp189p1 ~]# perf stat -e pm_br_2path sleep 1 Performance counter stats for 'sleep 1': 30,163 pm_br_2path <not counted> pm_br_2path (0.00%) 1.002046416 seconds time elapsed [root@zzfp189p1 ~]# perf stat -e pm_ld_miss_l1 sleep 1 Performance counter stats for 'sleep 1': 9,217 pm_ld_miss_l1 <not counted> pm_ld_miss_l1 (0.00%) 1.001956110 seconds time elapsed ---Steps to Reproduce--- Steps to reproduce : ============ 1. Install perf (linux-tools) 2. Run perf stat -e pm_ld_miss_l1 sleep 1 perf stat -e pm_br_2path sleep 1 == Comment: #1 - Sukadev Bhattiprolu - 2017-09-01 12:58:16 == The fix for this bug was pulled into Arnaldo's tree: https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git/commit/?h=perf/core&id=828e291e2982a7c10a62aa32195d0cb501cedaae To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1714571/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp