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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'?
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

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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