pprof

vmlinux-5.10.0-6-amd64 cycles_event
File: vmlinux-5.10.0-6-amd64
Build ID: 5c9e0e1a98ef3f01d740a37629baefce44403517
perf-version:5.10.28
perf-command:/usr/bin/perf_5.10 record -g -o bs1.data dd if=/dev/zero of=/dev/null bs=1 count=10M
Type: cycles_event
Showing nodes accounting for 21610548559, 100% of 21610548559 total
root (100%, 21610548559)
__GI___libc_read (47.07%, 10172666035)
__GI___libc_write (45.07%, 9740453113)
syscall_return_via_sysret (3.21%, 693252946)
[dd] (4.64%, 1001815793)
__GI___libc_write (1.78%, 383648938)entry_SYSCALL_64_safe_stack (0.95%, 204909461)entry_SYSCALL_64_after_hwframe (20.09%, 4340933622)
syscall_return_via_sysret (12.23%, 2642120849)
entry_SYSCALL_64 (11.52%, 2488648181)
entry_SYSCALL_64_after_hwframe (18.12%, 3914848794)
syscall_return_via_sysret (12.24%, 2644771994)
__GI___libc_read (1.74%, 375261121)entry_SYSCALL_64 (11.44%, 2472679815)
entry_SYSCALL_64_safe_stack (0.87%, 187215898)syscall_exit_to_user_mode (0.12%, 26160714)do_syscall_64 (16.60%, 3587629985)
syscall_exit_to_user_mode (2.19%, 473320553)do_syscall_64 (14.42%, 3116118607)
syscall_exit_to_user_mode (2.22%, 479510727)ksys_read (13.95%, 3015380895)
syscall_enter_from_user_mode (0.33%, 70914952)__x64_sys_read (1.32%, 285729862)__x86_retpoline_rax (0.28%, 59719209)exit_to_user_mode_prepare (0.73%, 157020977)exit_to_user_mode (0.89%, 193120040)local_irq_disable_exit_to_user (0.13%, 27569767)syscall_exit_to_user_mode_prepare (0.1%, 22364644)ksys_write (12.02%, 2596726995)
__x64_sys_write (0.95%, 205118172)__x86_retpoline_rax (0.31%, 67974322)syscall_enter_from_user_mode (0.35%, 75557119)exit_to_user_mode (0.94%, 203479648)exit_to_user_mode_prepare (0.74%, 160417189)syscall_exit_to_user_mode_prepare (0.1%, 22371053)vfs_read (10.56%, 2282558725)
fdget_pos (2.25%, 486445104)arch_local_irq_enable (0.29%, 63670810)__se_sys_read (0.42%, 90472724)arch_exit_to_user_mode_prepare (0.53%, 115181625)arch_exit_to_user_mode (0.89%, 193120040)arch_local_irq_disable (0.13%, 27569767)write_null (0.2%, 42764311)vfs_write (8.39%, 1812142582)
fdget_pos (2.36%, 509786694)__se_sys_write (0.46%, 98474321)arch_local_irq_enable (0.28%, 60609445)arch_exit_to_user_mode (0.94%, 203479648)arch_exit_to_user_mode_prepare (0.52%, 113320835)security_file_permission (4.34%, 938948509)
rw_verify_area (0.33%, 71357678)vfs_read (0.12%, 26159425)__x86_retpoline_rax (0.14%, 30833510)read_zero (2.71%, 585398702)add_rchar (0.4%, 86501058)inc_syscr (0.1%, 22323010)__fsnotify_parent (0.56%, 121865760)fsnotify_access (1.15%, 249599974)__fdget_pos (2.21%, 477100376)__do_sys_read (0.36%, 78327004)fpregs_assert_state_consistent (0.31%, 66156006)mds_user_clear_cpu_buffers (0.89%, 193120040)fsnotify_modify (1.82%, 393033142)write_null (0.47%, 101016433)add_wchar (0.32%, 68885379)security_file_permission (4.30%, 930170528)
rw_verify_area (0.26%, 55907381)__x86_retpoline_rax (0.12%, 26045696)__fdget_pos (2.26%, 488412886)ksys_write (0.099%, 21373808)__do_sys_write (0.38%, 81935598)mds_user_clear_cpu_buffers (0.94%, 203479648)fpregs_assert_state_consistent (0.34%, 73518684)__x86_retpoline_rax (0.14%, 30782135)apparmor_file_permission (3.42%, 739138846)
fsnotify_perm (0.3%, 63968943)__clear_user (0.79%, 170359278)read_zero (0.2%, 42457785)_cond_resched (0.18%, 38261163)fsnotify_file (1.15%, 249599974)__fdget (1.96%, 422921902)fpregs_state_valid (0.093%, 20078212)test_ti_thread_flag (0.094%, 20341499)mds_clear_cpu_buffers (0.89%, 193120040)fsnotify_file (1.82%, 393033142)apparmor_file_permission (3.47%, 749481395)
__x86_retpoline_rax (0.21%, 45477675)__fdget (1.97%, 426741637)fdget_pos (0.099%, 21373808)mds_clear_cpu_buffers (0.94%, 203479648)fpregs_state_valid (0.13%, 27529235)common_file_perm (2.75%, 593824995)fsnotify_perm (0.3%, 63968943)rcu_all_qs (0.12%, 25180124)fsnotify_parent (1.06%, 228298602)__fget_light (1.96%, 422921902)test_bit (0.094%, 20341499)fsnotify_parent (1.59%, 343904758)common_file_perm (2.65%, 571724227)__fget_light (1.93%, 416463097)__begin_current_label_crit_section (0.68%, 145913807)end_current_label_crit_section (0.65%, 140133412)aa_file_perm (0.35%, 75559465)fsnotify_file (0.26%, 56492540)__fsnotify_parent (0.57%, 123399292)d_inode (0.17%, 36342819)atomic_read (0.53%, 114248930)__fcheck_files (0.62%, 134818410)constant_test_bit (0.094%, 20341499)__fsnotify_parent (0.97%, 208899461)vfs_write (0.091%, 19558866)end_current_label_crit_section (0.28%, 59531965)aa_file_perm (0.33%, 72367732)__begin_current_label_crit_section (0.91%, 195725248)__fcheck_files (0.62%, 133260892)atomic_read (0.55%, 117895004)aa_current_raw_label (0.3%, 64059840)aa_put_label (0.39%, 83456593)aa_current_raw_label (0.26%, 56676819)fsnotify_parent (0.2%, 43246710)arch_atomic_read (0.53%, 114248930)fsnotify_modify (0.091%, 19558866)aa_put_label (0.19%, 40841799)aa_current_raw_label (0.55%, 119289409)arch_atomic_read (0.55%, 117895004)aa_cred_raw_label (0.3%, 64059840)aa_cred_raw_label (0.26%, 56676819)fsnotify_file (0.091%, 19558866)aa_cred_raw_label (0.55%, 119289409)cred_label (0.3%, 64059840)cred_label (0.26%, 56676819)fsnotify_parent (0.091%, 19558866)cred_label (0.55%, 119289409)