Messages in this thread | | | Date | Wed, 22 Dec 2021 17:56:32 +0800 | From | kernel test robot <> | Subject | [peterz-queue:perf/wip.self 2/2] arch/x86/events/core.c:2735:13: error: use of undeclared identifier 'userpf'; did you mean 'userpg'? |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/wip.self head: 1e109699c93d9b3d7bedec5f43d852888d035b9d commit: 1e109699c93d9b3d7bedec5f43d852888d035b9d [2/2] perf: Better track self-monitoring events config: i386-randconfig-r012-20211222 (https://download.01.org/0day-ci/archive/20211222/202112221712.uiBpvgmY-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project de4e0195ae1c39f1c3b07834b8e32c113f4f20eb) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=1e109699c93d9b3d7bedec5f43d852888d035b9d 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 1e109699c93d9b3d7bedec5f43d852888d035b9d # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> arch/x86/events/core.c:2735:13: error: use of undeclared identifier 'userpf'; did you mean 'userpg'? if (likely(userpf->cap_user_time)) ^~~~~~ userpg include/linux/compiler.h:45:39: note: expanded from macro 'likely' # define likely(x) (__branch_check__(x, 1, __builtin_constant_p(x))) ^ include/linux/compiler.h:33:34: note: expanded from macro '__branch_check__' ______r = __builtin_expect(!!(x), expect); \ ^ arch/x86/events/core.c:2720:40: note: 'userpg' declared here struct perf_event_mmap_page *userpg, u64 now) ^ >> arch/x86/events/core.c:2735:13: error: use of undeclared identifier 'userpf'; did you mean 'userpg'? if (likely(userpf->cap_user_time)) ^~~~~~ userpg include/linux/compiler.h:45:66: note: expanded from macro 'likely' # define likely(x) (__branch_check__(x, 1, __builtin_constant_p(x))) ^ include/linux/compiler.h:35:19: note: expanded from macro '__branch_check__' expect, is_constant); \ ^ arch/x86/events/core.c:2720:40: note: 'userpg' declared here struct perf_event_mmap_page *userpg, u64 now) ^ 2 errors generated.
vim +2735 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 2725 userpg->cap_user_rdpmc = !!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED); 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(userpf->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
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