Public bug reported: The upstream kernel now has support for self-describing PMU events. This exposes these events to userspace so that they can be displayed by perf stat. This greatly improves the discovery of these counters, which would otherwise would require consulting an architecture manual. For example:
ubuntu@cvm2s2:~$ diff -u old/perf.list new/perf.list --- old/perf.list 2016-03-18 16:43:01.661396908 -0400 +++ new/perf.list 2016-03-18 16:53:28.948746988 -0400 @@ -34,6 +34,55 @@ dTLB-store-misses [Hardware cache event] dTLB-stores [Hardware cache event] iTLB-load-misses [Hardware cache event] + armv8_cavium_thunder/br_immed_retired/ [Kernel PMU event] + armv8_cavium_thunder/br_mis_pred/ [Kernel PMU event] + armv8_cavium_thunder/br_mis_pred_retired/ [Kernel PMU event] + armv8_cavium_thunder/br_pred/ [Kernel PMU event] + armv8_cavium_thunder/br_retired/ [Kernel PMU event] + armv8_cavium_thunder/br_return_retired/ [Kernel PMU event] + armv8_cavium_thunder/bus_access/ [Kernel PMU event] + armv8_cavium_thunder/bus_cycles/ [Kernel PMU event] + armv8_cavium_thunder/chain/ [Kernel PMU event] + armv8_cavium_thunder/cid_write_retired/ [Kernel PMU event] + armv8_cavium_thunder/cpu_cycles/ [Kernel PMU event] + armv8_cavium_thunder/exc_return/ [Kernel PMU event] + armv8_cavium_thunder/exc_taken/ [Kernel PMU event] + armv8_cavium_thunder/inst_retired/ [Kernel PMU event] + armv8_cavium_thunder/inst_spec/ [Kernel PMU event] + armv8_cavium_thunder/l1d_cache/ [Kernel PMU event] + armv8_cavium_thunder/l1d_cache_allocate/ [Kernel PMU event] + armv8_cavium_thunder/l1d_cache_refill/ [Kernel PMU event] + armv8_cavium_thunder/l1d_cache_wb/ [Kernel PMU event] + armv8_cavium_thunder/l1d_tlb/ [Kernel PMU event] + armv8_cavium_thunder/l1d_tlb_refill/ [Kernel PMU event] + armv8_cavium_thunder/l1i_cache/ [Kernel PMU event] + armv8_cavium_thunder/l1i_cache_refill/ [Kernel PMU event] + armv8_cavium_thunder/l1i_tlb/ [Kernel PMU event] + armv8_cavium_thunder/l1i_tlb_refill/ [Kernel PMU event] + armv8_cavium_thunder/l21_tlb/ [Kernel PMU event] + armv8_cavium_thunder/l21_tlb_refill/ [Kernel PMU event] + armv8_cavium_thunder/l2d_cache/ [Kernel PMU event] + armv8_cavium_thunder/l2d_cache_allocate/ [Kernel PMU event] + armv8_cavium_thunder/l2d_cache_refill/ [Kernel PMU event] + armv8_cavium_thunder/l2d_cache_wb/ [Kernel PMU event] + armv8_cavium_thunder/l2d_tlb/ [Kernel PMU event] + armv8_cavium_thunder/l2d_tlb_refill/ [Kernel PMU event] + armv8_cavium_thunder/l2i_cache/ [Kernel PMU event] + armv8_cavium_thunder/l2i_cache_refill/ [Kernel PMU event] + armv8_cavium_thunder/l3d_cache/ [Kernel PMU event] + armv8_cavium_thunder/l3d_cache_allocate/ [Kernel PMU event] + armv8_cavium_thunder/l3d_cache_refill/ [Kernel PMU event] + armv8_cavium_thunder/l3d_cache_wb/ [Kernel PMU event] + armv8_cavium_thunder/ld_retired/ [Kernel PMU event] + armv8_cavium_thunder/mem_access/ [Kernel PMU event] + armv8_cavium_thunder/memory_error/ [Kernel PMU event] + armv8_cavium_thunder/pc_write_retired/ [Kernel PMU event] + armv8_cavium_thunder/st_retired/ [Kernel PMU event] + armv8_cavium_thunder/stall_backend/ [Kernel PMU event] + armv8_cavium_thunder/stall_frontend/ [Kernel PMU event] + armv8_cavium_thunder/sw_incr/ [Kernel PMU event] + armv8_cavium_thunder/ttbr_write_retired/ [Kernel PMU event] + armv8_cavium_thunder/unaligned_ldst_retired/ [Kernel PMU event] rNNN [Raw hardware event descriptor] cpu/t1=v1[,t2=v2,t3 ...]/modifier [Raw hardware event descriptor] mem:<addr>[/len][:access] [Hardware breakpoint] ** Affects: linux (Ubuntu) Importance: Undecided Assignee: dann frazier (dannf) Status: In Progress ** Tags: arm64 armhf ** Tags added: arm64 armhf ** Changed in: linux (Ubuntu) Status: Confirmed => In Progress -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1559350 Title: Show ARM PMU events in perf stat To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1559350/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs