Samples: 1M of event 'cpu-clock:pppH', Event count (approx.): 311991500000 Children Self Command Shared Object Symbol + 80.53% 0.00% swapper [kernel.kallsyms] [k] secondary_startup_64 + 80.53% 0.00% swapper [kernel.kallsyms] [k] cpu_startup_entry + 80.53% 0.00% swapper [kernel.kallsyms] [k] do_idle + 80.52% 0.00% swapper [kernel.kallsyms] [k] default_idle + 80.52% 80.51% swapper [kernel.kallsyms] [k] native_safe_halt + 63.42% 0.00% swapper [kernel.kallsyms] [k] start_secondary + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] ret_from_fork + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] kthread + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] worker_thread + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] process_one_work + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] wb_workfn + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] wb_writeback + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] __writeback_inodes_wb + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] writeback_sb_inodes + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] __writeback_single_inode + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] do_writepages + 19.10% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] extent_writepages + 19.08% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] extent_write_cache_pages + 19.07% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] __extent_writepage + 19.04% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] writepage_delalloc + 19.03% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] btrfs_run_delalloc_range + 19.03% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] cow_file_range + 19.01% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] btrfs_reserve_extent + 19.01% 4.26% kworker/u16:11+ [kernel.kallsyms] [k] find_free_extent + 17.11% 0.00% swapper [kernel.kallsyms] [k] start_kernel + 7.18% 7.18% kworker/u16:11+ [kernel.kallsyms] [k] _raw_spin_lock + 4.45% 4.45% kworker/u16:11+ [kernel.kallsyms] [k] btrfs_get_block_group + 1.49% 1.34% kworker/u16:11+ [kernel.kallsyms] [k] down_read + 0.56% 0.56% kworker/u16:11+ [kernel.kallsyms] [k] btrfs_put_block_group 0.50% 0.50% kworker/u16:11+ [kernel.kallsyms] [k] __raw_callee_save___pv_queued_spin_unlock 0.44% 0.44% kworker/u16:11+ [kernel.kallsyms] [k] up_read 0.28% 0.13% kworker/u16:11+ [kernel.kallsyms] [k] _cond_resched 0.15% 0.15% kworker/u16:11+ [kernel.kallsyms] [k] rcu_all_qs 0.05% 0.00% nmon [kernel.kallsyms] [k] entry_SYSCALL_64_after_hwframe 0.05% 0.00% nmon [kernel.kallsyms] [k] do_syscall_64 0.04% 0.00% perf_5.7 [kernel.kallsyms] [k] entry_SYSCALL_64_after_hwframe 0.04% 0.00% perf_5.7 [kernel.kallsyms] [k] do_syscall_64 0.04% 0.00% btrfs-transacti [kernel.kallsyms] [k] ret_from_fork 0.04% 0.00% btrfs-transacti [kernel.kallsyms] [k] kthread 0.04% 0.00% btrfs-transacti [kernel.kallsyms] [k] transaction_kthread 0.04% 0.00% btrfs-transacti [kernel.kallsyms] [k] btrfs_commit_transaction 0.04% 0.00% perf_5.7 libpthread-2.28.so [.] __libc_write 0.04% 0.00% perf_5.7 [kernel.kallsyms] [k] ksys_write 0.04% 0.00% perf_5.7 [kernel.kallsyms] [k] vfs_write 0.04% 0.00% perf_5.7 [kernel.kallsyms] [k] new_sync_write 0.04% 0.00% perf_5.7 [kernel.kallsyms] [k] btrfs_file_write_iter 0.04% 0.00% perf_5.7 [kernel.kallsyms] [k] btrfs_buffered_write.isra.28 0.03% 0.00% kswapd0 [kernel.kallsyms] [k] ret_from_fork 0.03% 0.00% kswapd0 [kernel.kallsyms] [k] kthread 0.03% 0.00% kswapd0 [kernel.kallsyms] [k] kswapd 0.03% 0.00% kswapd0 [kernel.kallsyms] [k] balance_pgdat 0.03% 0.00% kswapd0 [kernel.kallsyms] [k] shrink_node 0.03% 0.00% btrfs-transacti [kernel.kallsyms] [k] btrfs_run_delayed_refs 0.03% 0.00% btrfs-transacti [kernel.kallsyms] [k] __btrfs_run_delayed_refs 0.03% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] __extent_writepage_io 0.03% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] submit_one_bio 0.03% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] btrfs_submit_bio_hook 0.03% 0.00% kworker/u16:11+ [kernel.kallsyms] [k] btrfs_map_bio 0.02% 0.00% kswapd0 [kernel.kallsyms] [k] shrink_slab 0.02% 0.00% kswapd0 [kernel.kallsyms] [k] do_shrink_slab 0.02% 0.00% kworker/u16:4-b [kernel.kallsyms] [k] ret_from_fork 0.02% 0.00% kworker/u16:4-b [kernel.kallsyms] [k] kthread 0.02% 0.00% kworker/u16:4-b [kernel.kallsyms] [k] worker_thread 0.02% 0.00% kworker/u16:4-b [kernel.kallsyms] [k] process_one_work 0.02% 0.00% kswapd0 [kernel.kallsyms] [k] super_cache_scan 0.02% 0.00% kworker/u16:4-b [kernel.kallsyms] [k] btrfs_work_helper 0.02% 0.00% kworker/u16:3-b [kernel.kallsyms] [k] ret_from_fork 0.02% 0.00% kworker/u16:3-b [kernel.kallsyms] [k] kthread 0.02% 0.00% kworker/u16:3-b [kernel.kallsyms] [k] worker_thread 0.02% 0.00% kworker/u16:3-b [kernel.kallsyms] [k] process_one_work 0.02% 0.00% perf_5.7 [unknown] [k] 0xffffffff9d9bc42e 0.02% 0.00% kworker/u16:3-b [kernel.kallsyms] [k] btrfs_work_helper 0.02% 0.00% btrfs-transacti [kernel.kallsyms] [k] alloc_reserved_file_extent 0.02% 0.00% nmon libc-2.28.so [.] open64 0.02% 0.00% nmon [kernel.kallsyms] [k] do_sys_open