tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/wip.self head: 1b4635e33f629e20b5bbecd62d27c9191d5ec390 commit: 1b4635e33f629e20b5bbecd62d27c9191d5ec390 [9/9] perf: Better track self-monitoring events config: x86_64-randconfig-a011 (https://download.01.org/0day-ci/archive/20220115/202201150505.POFRV19D-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue perf/wip.self git checkout 1b4635e33f629e20b5bbecd62d27c9191d5ec390 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/x86/events/core.c: In function 'arch_perf_update_userpage': 2725 | userpg->cap_user_rdpmc = !!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ | PERF_X86_EVENT_AUTO_RELOAD arch/x86/events/core.c:2725:48: note: each undeclared identifier is reported only once for each function it appears in vim +2725 arch/x86/events/core.c 2718 2719 void arch_perf_update_userpage(struct perf_event *event, 2720 struct perf_event_mmap_page *userpg, u64 now) 2721 { 2722 struct cyc2ns_data data; 2723 u64 offset; 2724 2726 userpg->pmc_width = x86_pmu.cntval_bits; 2727 2728 if (unlikely(!using_native_sched_clock() || !sched_clock_stable())) { 2729 userpg->cap_user_time = 0; 2730 userpg->cap_user_time_zero = 0; 2731 return; 2732 } 2733 2734 /* already set the time fields before */ 2735 if (likely(userpg->cap_user_time)) 2736 return; 2737 2738 cyc2ns_read_begin(&data); 2739 2740 offset = data.cyc2ns_offset + __sched_clock_offset; 2741 2742 /* 2743 * Internal timekeeping for enabled/running/stopped times 2744 * is always in the local_clock domain. 2745 */ 2746 userpg->cap_user_time = 1; 2747 userpg->time_mult = data.cyc2ns_mul; 2748 userpg->time_shift = data.cyc2ns_shift; 2749 userpg->time_offset = offset - now; 2750 2751 /* 2752 * cap_user_time_zero doesn't make sense when we're using a different 2753 * time base for the records. 2754 */ 2755 if (!event->attr.use_clockid) { 2756 userpg->cap_user_time_zero = 1; 2757 userpg->time_zero = offset; 2758 } 2759 2760 cyc2ns_read_end(); 2761 } 2762 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org