7:58 a.m.
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-a012
(https://download.01.org/0day-ci/archive/20220115/202201150418.32fAKxxq-lk...)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project
82c8aca93488730ce8f66101e0f3538f14b551dd)
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/?...
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
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross 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>
All errors (new ones prefixed by >>):
> arch/x86/events/core.c:2725:48: error: use of undeclared
identifier 'PERF_X86_EVENT_RDPMC_ALLOWED'
userpg->cap_user_rdpmc = !!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED);
^
1 error generated.
vim +/PERF_X86_EVENT_RDPMC_ALLOWED +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
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(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