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Message-ID: <202407051440.a54b7d0f-oliver.sang@intel.com>
Date: Fri, 5 Jul 2024 14:30:06 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Mateusz Guzik <mjguzik@...il.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <apparmor@...ts.ubuntu.com>,
<ying.huang@...el.com>, <feng.tang@...el.com>, <fengwei.yin@...el.com>,
<john.johansen@...onical.com>, <paul@...l-moore.com>, <jmorris@...ei.org>,
<serge@...lyn.com>, <linux-kernel@...r.kernel.org>,
<linux-security-module@...r.kernel.org>, <Neeraj.Upadhyay@....com>, "Mateusz
Guzik" <mjguzik@...il.com>, <oliver.sang@...el.com>
Subject: Re: [PATCH v2] apparmor: try to avoid refing the label in
apparmor_file_open
Hello,
kernel test robot noticed a 93.1% improvement of will-it-scale.per_process_ops on:
commit: 22eddbc906d2fc507e4a01484e2985fdd6f3cb2f ("[PATCH v2] apparmor: try to avoid refing the label in apparmor_file_open")
url: https://github.com/intel-lab-lkp/linux/commits/Mateusz-Guzik/apparmor-try-to-avoid-refing-the-label-in-apparmor_file_open/20240625-143723
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 55027e689933ba2e64f3d245fb1ff185b3e7fc81
patch link: https://lore.kernel.org/all/20240620171528.167997-1-mjguzik@gmail.com/
patch subject: [PATCH v2] apparmor: try to avoid refing the label in apparmor_file_open
testcase: will-it-scale
test machine: 104 threads 2 sockets (Skylake) with 192G memory
parameters:
nr_task: 100%
mode: process
test: open2
cpufreq_governor: performance
In addition to that, the commit also has significant impact on the following tests:
+------------------+----------------------------------------------------------------+
| testcase: change | will-it-scale: will-it-scale.per_process_ops 90.7% improvement |
| test machine | 104 threads 2 sockets (Skylake) with 192G memory |
| test parameters | cpufreq_governor=performance |
| | mode=process |
| | nr_task=100% |
| | test=open1 |
+------------------+----------------------------------------------------------------+
Details are as below:
-------------------------------------------------------------------------------------------------->
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240705/202407051440.a54b7d0f-oliver.sang@intel.com
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase:
gcc-13/performance/x86_64-rhel-8.3/process/100%/debian-12-x86_64-20240206.cgz/lkp-skl-fpga01/open2/will-it-scale
commit:
55027e6899 ("Merge tag 'input-for-v6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input")
22eddbc906 ("apparmor: try to avoid refing the label in apparmor_file_open")
55027e689933ba2e 22eddbc906d2fc507e4a01484e2
---------------- ---------------------------
%stddev %change %stddev
\ | \
4985 ± 4% -11.4% 4415 ± 5% perf-c2c.HITM.local
1788 -3.3% 1729 vmstat.system.cs
0.01 ± 2% -0.0 0.01 mpstat.cpu.all.soft%
19.61 +3.2 22.81 ± 3% mpstat.cpu.all.usr%
12729 ± 3% -8.1% 11703 proc-vmstat.nr_mapped
50690 ± 7% +52.4% 77253 ± 13% proc-vmstat.pgactivate
967492 +2.0% 986437 proc-vmstat.pgfault
4175664 +93.1% 8063854 ± 2% will-it-scale.104.processes
40150 +93.1% 77536 ± 2% will-it-scale.per_process_ops
4175664 +93.1% 8063854 ± 2% will-it-scale.workload
649.36 ± 12% +19.5% 776.11 ± 4% sched_debug.cfs_rq:/.util_avg.min
79.88 ± 16% -25.0% 59.92 ± 4% sched_debug.cfs_rq:/.util_avg.stddev
25.33 ± 8% -51.6% 12.26 ± 9% sched_debug.cpu.clock.stddev
2791 ± 4% -13.1% 2425 ± 8% sched_debug.cpu.curr->pid.min
2958 ± 5% +9.9% 3251 ± 4% sched_debug.cpu.nr_switches.stddev
4.716e+09 +86.3% 8.787e+09 ± 4% perf-stat.i.branch-instructions
1.09 -0.1 0.98 ± 6% perf-stat.i.branch-miss-rate%
51277236 ± 2% +60.0% 82061991 ± 4% perf-stat.i.branch-misses
1741 -2.8% 1692 perf-stat.i.context-switches
11.66 -47.6% 6.11 perf-stat.i.cpi
145.32 +11.1% 161.46 perf-stat.i.cpu-migrations
2.479e+10 +86.9% 4.634e+10 ± 4% perf-stat.i.instructions
0.09 ± 2% +89.9% 0.17 perf-stat.i.ipc
1.09 ± 2% -0.2 0.93 perf-stat.overall.branch-miss-rate%
11.67 -47.1% 6.17 ± 2% perf-stat.overall.cpi
0.09 +89.2% 0.16 ± 2% perf-stat.overall.ipc
1790350 -1.8% 1758176 perf-stat.overall.path-length
4.7e+09 +86.3% 8.758e+09 ± 4% perf-stat.ps.branch-instructions
51036303 ± 2% +60.2% 81758969 ± 4% perf-stat.ps.branch-misses
1734 -2.8% 1685 perf-stat.ps.context-switches
144.39 +11.4% 160.88 perf-stat.ps.cpu-migrations
2.471e+10 +87.0% 4.62e+10 ± 4% perf-stat.ps.instructions
7.476e+12 +89.7% 1.418e+13 ± 2% perf-stat.total.instructions
27.64 -22.1 5.54 ± 7% perf-profile.calltrace.cycles-pp.security_file_open.do_dentry_open.do_open.path_openat.do_filp_open
27.59 -22.1 5.50 ± 7% perf-profile.calltrace.cycles-pp.apparmor_file_open.security_file_open.do_dentry_open.do_open.path_openat
29.20 -21.6 7.60 ± 3% perf-profile.calltrace.cycles-pp.do_dentry_open.do_open.path_openat.do_filp_open.do_sys_openat2
34.98 -19.0 16.00 ± 4% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
58.91 -10.1 48.79 perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
58.99 -10.0 48.95 perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
59.31 -9.9 49.38 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
60.42 -9.3 51.07 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64
53.49 -8.3 45.16 perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64
53.68 -8.2 45.50 perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
73.99 -8.1 65.90 perf-profile.calltrace.cycles-pp.open64
3.15 ± 4% -2.5 0.63 ± 16% perf-profile.calltrace.cycles-pp.putname.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
3.90 +0.1 4.03 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSRETQ_unsafe_stack.__close
0.52 +0.4 0.94 ± 3% perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.alloc_empty_file.path_openat.do_filp_open.do_sys_openat2
0.65 +0.5 1.10 ± 2% perf-profile.calltrace.cycles-pp.strncpy_from_user.getname_flags.do_sys_openat2.__x64_sys_openat.do_syscall_64
3.34 ± 3% +0.6 3.90 perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.open64
0.87 +0.6 1.51 ± 2% perf-profile.calltrace.cycles-pp.getname_flags.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
7.82 +0.8 8.60 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSRETQ_unsafe_stack.open64
0.00 +0.8 0.78 ± 2% perf-profile.calltrace.cycles-pp.__check_object_size.strncpy_from_user.getname_flags.do_sys_openat2.__x64_sys_openat
0.00 +0.8 0.80 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.open64
0.00 +0.8 0.83 ± 3% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.__close
1.48 +0.9 2.40 ± 3% perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
2.19 ± 2% +1.3 3.54 perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.__close
3.28 ± 5% +2.7 5.95 ± 6% perf-profile.calltrace.cycles-pp.apparmor_current_getsecid_subj.security_current_getsecid_subj.ima_file_check.security_file_post_open.do_open
3.31 ± 5% +2.7 6.00 ± 6% perf-profile.calltrace.cycles-pp.security_current_getsecid_subj.ima_file_check.security_file_post_open.do_open.path_openat
3.62 ± 4% +2.8 6.40 ± 5% perf-profile.calltrace.cycles-pp.ima_file_check.security_file_post_open.do_open.path_openat.do_filp_open
3.66 ± 4% +2.8 6.44 ± 5% perf-profile.calltrace.cycles-pp.security_file_post_open.do_open.path_openat.do_filp_open.do_sys_openat2
12.01 +4.9 16.88 ± 2% perf-profile.calltrace.cycles-pp.apparmor_file_free_security.security_file_free.__fput.__x64_sys_close.do_syscall_64
12.04 +4.9 16.94 ± 2% perf-profile.calltrace.cycles-pp.security_file_free.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
14.50 +5.8 20.27 perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
17.92 +6.1 23.98 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close
16.03 +6.2 22.19 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
15.50 +6.2 21.72 perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
25.29 +8.2 33.52 perf-profile.calltrace.cycles-pp.__close
15.10 +8.9 23.97 perf-profile.calltrace.cycles-pp.init_file.alloc_empty_file.path_openat.do_filp_open.do_sys_openat2
14.08 +9.2 23.29 perf-profile.calltrace.cycles-pp.apparmor_file_alloc_security.security_file_alloc.init_file.alloc_empty_file.path_openat
14.36 +9.4 23.73 perf-profile.calltrace.cycles-pp.security_file_alloc.init_file.alloc_empty_file.path_openat.do_filp_open
15.80 +9.4 25.18 perf-profile.calltrace.cycles-pp.alloc_empty_file.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
27.62 -22.1 5.50 ± 7% perf-profile.children.cycles-pp.apparmor_file_open
27.64 -22.1 5.55 ± 7% perf-profile.children.cycles-pp.security_file_open
29.21 -21.6 7.62 ± 3% perf-profile.children.cycles-pp.do_dentry_open
35.00 -19.0 16.04 ± 4% perf-profile.children.cycles-pp.do_open
58.96 -10.1 48.86 perf-profile.children.cycles-pp.do_sys_openat2
59.02 -10.0 48.97 perf-profile.children.cycles-pp.__x64_sys_openat
53.54 -8.3 45.22 perf-profile.children.cycles-pp.path_openat
53.70 -8.2 45.53 perf-profile.children.cycles-pp.do_filp_open
73.60 -7.6 66.03 perf-profile.children.cycles-pp.open64
75.93 -4.2 71.78 perf-profile.children.cycles-pp.do_syscall_64
79.03 -3.7 75.32 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
3.15 ± 4% -2.5 0.63 ± 16% perf-profile.children.cycles-pp.putname
0.80 ± 10% -0.6 0.16 ± 7% perf-profile.children.cycles-pp.lockref_get_not_dead
0.86 ± 9% -0.6 0.22 ±107% perf-profile.children.cycles-pp.__cmd_record
0.86 ± 9% -0.6 0.22 ±107% perf-profile.children.cycles-pp.cmd_record
0.86 ± 9% -0.6 0.22 ±108% perf-profile.children.cycles-pp.record__mmap_read_evlist
0.87 ± 9% -0.6 0.23 ±104% perf-profile.children.cycles-pp.main
0.87 ± 9% -0.6 0.23 ±104% perf-profile.children.cycles-pp.run_builtin
0.84 ± 9% -0.6 0.21 ±109% perf-profile.children.cycles-pp.perf_mmap__push
0.82 ± 8% -0.6 0.20 ±106% perf-profile.children.cycles-pp.write
0.81 ± 9% -0.6 0.20 ±110% perf-profile.children.cycles-pp.writen
0.80 ± 9% -0.6 0.20 ±110% perf-profile.children.cycles-pp.record__pushfn
0.48 ± 8% -0.4 0.12 ± 99% perf-profile.children.cycles-pp.ksys_write
0.42 ± 9% -0.3 0.11 ±109% perf-profile.children.cycles-pp.vfs_write
0.41 ± 9% -0.3 0.14 ± 6% perf-profile.children.cycles-pp.mnt_get_write_access
0.96 ± 5% -0.1 0.84 ± 6% perf-profile.children.cycles-pp.lockref_put_return
0.61 ± 3% -0.1 0.52 ± 4% perf-profile.children.cycles-pp.entry_SYSCALL_64_safe_stack
0.27 ± 6% -0.1 0.21 ± 10% perf-profile.children.cycles-pp.__fput_sync
0.29 ± 9% -0.1 0.24 ± 2% perf-profile.children.cycles-pp._raw_spin_lock
0.10 ± 6% -0.0 0.08 ± 7% perf-profile.children.cycles-pp.lockref_get
0.06 ± 9% +0.0 0.08 ± 6% perf-profile.children.cycles-pp.make_vfsuid
0.24 ± 6% +0.0 0.27 ± 2% perf-profile.children.cycles-pp.process_measurement
0.13 ± 5% +0.0 0.16 ± 4% perf-profile.children.cycles-pp.fd_install
0.08 ± 4% +0.0 0.11 ± 4% perf-profile.children.cycles-pp.ima_file_free
0.08 ± 5% +0.0 0.13 ± 2% perf-profile.children.cycles-pp.security_inode_permission
0.07 ± 6% +0.0 0.12 ± 7% perf-profile.children.cycles-pp.set_root
0.07 ± 10% +0.0 0.12 ± 6% perf-profile.children.cycles-pp.syscall_exit_to_user_mode_prepare
0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp._find_next_zero_bit
0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp.dnotify_flush
0.00 +0.1 0.05 ± 7% perf-profile.children.cycles-pp.get_unused_fd_flags
0.06 ± 11% +0.1 0.12 ± 6% perf-profile.children.cycles-pp.rcu_all_qs
0.06 +0.1 0.11 ± 6% perf-profile.children.cycles-pp.x64_sys_call
0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.locks_remove_file
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.should_failslab
0.12 ± 4% +0.1 0.18 ± 2% perf-profile.children.cycles-pp.evm_file_release
0.10 ± 4% +0.1 0.16 ± 4% perf-profile.children.cycles-pp.nd_jump_root
0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.path_get
0.07 ± 6% +0.1 0.14 ± 9% perf-profile.children.cycles-pp.obj_cgroup_charge
0.02 ± 99% +0.1 0.09 ± 10% perf-profile.children.cycles-pp.file_close_fd_locked
0.00 +0.1 0.06 ± 7% perf-profile.children.cycles-pp.getname
0.00 +0.1 0.07 ± 11% perf-profile.children.cycles-pp.file_ra_state_init
0.00 +0.1 0.07 ± 5% perf-profile.children.cycles-pp.check_stack_object
0.29 ± 6% +0.1 0.36 ± 3% perf-profile.children.cycles-pp.alloc_fd
0.09 ± 7% +0.1 0.16 ± 4% perf-profile.children.cycles-pp.mntput_no_expire
0.16 ± 7% +0.1 0.23 ± 4% perf-profile.children.cycles-pp.path_init
0.00 +0.1 0.07 ± 8% perf-profile.children.cycles-pp.refill_obj_stock
0.20 ± 9% +0.1 0.27 ± 3% perf-profile.children.cycles-pp.file_close_fd
0.10 ± 10% +0.1 0.18 ± 5% perf-profile.children.cycles-pp.__lookup_mnt
0.09 ± 4% +0.1 0.17 ± 4% perf-profile.children.cycles-pp.mod_objcg_state
0.39 ± 4% +0.1 0.48 ± 2% perf-profile.children.cycles-pp.__fsnotify_parent
0.10 ± 4% +0.1 0.19 ± 3% perf-profile.children.cycles-pp.__check_heap_object
0.10 ± 3% +0.1 0.20 ± 3% perf-profile.children.cycles-pp.locks_remove_posix
0.22 ± 5% +0.1 0.32 ± 2% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
0.11 ± 3% +0.1 0.21 ± 2% perf-profile.children.cycles-pp.memset_orig
0.08 ± 6% +0.1 0.18 ± 3% perf-profile.children.cycles-pp.build_open_flags
0.14 ± 17% +0.1 0.25 ± 9% perf-profile.children.cycles-pp.testcase
0.18 ± 2% +0.1 0.30 ± 3% perf-profile.children.cycles-pp.__virt_addr_valid
0.16 ± 2% +0.1 0.28 ± 2% perf-profile.children.cycles-pp.__cond_resched
0.40 ± 6% +0.1 0.54 ± 4% perf-profile.children.cycles-pp.may_open
0.30 +0.2 0.44 ± 2% perf-profile.children.cycles-pp.check_heap_object
0.29 +0.2 0.44 ± 2% perf-profile.children.cycles-pp.security_file_release
0.17 ± 2% +0.2 0.33 ± 4% perf-profile.children.cycles-pp.filp_flush
0.30 ± 5% +0.2 0.46 ± 5% perf-profile.children.cycles-pp.generic_permission
0.22 ± 5% +0.2 0.39 ± 6% perf-profile.children.cycles-pp.__memcg_slab_free_hook
0.35 ± 7% +0.2 0.52 ± 4% perf-profile.children.cycles-pp.__d_lookup_rcu
0.25 ± 6% +0.2 0.44 ± 5% perf-profile.children.cycles-pp.open_last_lookups
0.35 ± 5% +0.2 0.55 ± 4% perf-profile.children.cycles-pp.walk_component
0.26 ± 2% +0.2 0.48 ± 4% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
0.40 ± 6% +0.2 0.63 ± 4% perf-profile.children.cycles-pp.lookup_fast
0.32 ± 3% +0.2 0.55 ± 4% perf-profile.children.cycles-pp.step_into
0.64 ± 5% +0.2 0.88 ± 4% perf-profile.children.cycles-pp.inode_permission
0.50 +0.3 0.82 ± 2% perf-profile.children.cycles-pp.__check_object_size
12.65 +0.4 13.04 perf-profile.children.cycles-pp.entry_SYSRETQ_unsafe_stack
0.66 +0.5 1.12 ± 2% perf-profile.children.cycles-pp.strncpy_from_user
1.42 ± 2% +0.6 2.01 ± 3% perf-profile.children.cycles-pp.entry_SYSCALL_64
0.87 +0.6 1.52 ± 2% perf-profile.children.cycles-pp.getname_flags
0.93 ± 2% +0.7 1.64 ± 3% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
1.50 +0.9 2.42 ± 3% perf-profile.children.cycles-pp.link_path_walk
5.64 ± 2% +1.9 7.57 perf-profile.children.cycles-pp.syscall_return_via_sysret
3.29 ± 5% +2.7 5.96 ± 6% perf-profile.children.cycles-pp.apparmor_current_getsecid_subj
3.31 ± 5% +2.7 6.01 ± 6% perf-profile.children.cycles-pp.security_current_getsecid_subj
3.64 ± 4% +2.8 6.41 ± 5% perf-profile.children.cycles-pp.ima_file_check
3.66 ± 4% +2.8 6.44 ± 5% perf-profile.children.cycles-pp.security_file_post_open
12.02 +4.9 16.89 ± 2% perf-profile.children.cycles-pp.apparmor_file_free_security
12.06 +4.9 16.94 ± 2% perf-profile.children.cycles-pp.security_file_free
14.54 +5.8 20.33 perf-profile.children.cycles-pp.__fput
15.51 +6.2 21.74 perf-profile.children.cycles-pp.__x64_sys_close
25.38 +8.3 33.68 perf-profile.children.cycles-pp.__close
15.14 +8.9 24.00 perf-profile.children.cycles-pp.init_file
14.10 +9.2 23.31 perf-profile.children.cycles-pp.apparmor_file_alloc_security
14.37 +9.4 23.74 perf-profile.children.cycles-pp.security_file_alloc
15.82 +9.4 25.20 perf-profile.children.cycles-pp.alloc_empty_file
27.52 -22.0 5.48 ± 7% perf-profile.self.cycles-pp.apparmor_file_open
3.14 ± 4% -2.5 0.63 ± 16% perf-profile.self.cycles-pp.putname
0.80 ± 10% -0.6 0.16 ± 8% perf-profile.self.cycles-pp.lockref_get_not_dead
0.76 ± 12% -0.5 0.23 ± 30% perf-profile.self.cycles-pp.init_file
0.41 ± 8% -0.3 0.14 ± 7% perf-profile.self.cycles-pp.mnt_get_write_access
0.79 ± 5% -0.2 0.57 ± 4% perf-profile.self.cycles-pp.kmem_cache_free
0.94 ± 5% -0.1 0.81 ± 6% perf-profile.self.cycles-pp.lockref_put_return
0.54 ± 2% -0.1 0.44 ± 2% perf-profile.self.cycles-pp.do_syscall_64
0.26 ± 6% -0.1 0.20 ± 10% perf-profile.self.cycles-pp.__fput_sync
0.29 ± 9% -0.1 0.24 ± 2% perf-profile.self.cycles-pp._raw_spin_lock
0.10 ± 6% -0.0 0.08 ± 7% perf-profile.self.cycles-pp.lockref_get
0.06 ± 8% +0.0 0.07 ± 5% perf-profile.self.cycles-pp.path_init
0.05 ± 8% +0.0 0.07 perf-profile.self.cycles-pp.make_vfsuid
0.12 ± 5% +0.0 0.14 ± 3% perf-profile.self.cycles-pp.fd_install
0.24 ± 6% +0.0 0.27 perf-profile.self.cycles-pp.process_measurement
0.05 +0.0 0.08 ± 8% perf-profile.self.cycles-pp.dput
0.07 ± 5% +0.0 0.10 ± 3% perf-profile.self.cycles-pp.check_heap_object
0.08 ± 6% +0.0 0.11 ± 3% perf-profile.self.cycles-pp.ima_file_free
0.05 ± 8% +0.0 0.09 ± 7% perf-profile.self.cycles-pp.security_file_alloc
0.08 ± 5% +0.0 0.13 ± 2% perf-profile.self.cycles-pp.security_inode_permission
0.06 +0.0 0.10 ± 7% perf-profile.self.cycles-pp.__x64_sys_openat
0.09 ± 5% +0.0 0.14 ± 3% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.06 ± 7% +0.0 0.11 ± 5% perf-profile.self.cycles-pp.syscall_exit_to_user_mode_prepare
0.07 ± 5% +0.0 0.12 ± 9% perf-profile.self.cycles-pp.set_root
0.09 ± 4% +0.0 0.14 ± 4% perf-profile.self.cycles-pp.security_file_release
0.06 +0.0 0.11 ± 3% perf-profile.self.cycles-pp.x64_sys_call
0.12 ± 5% +0.1 0.17 ± 2% perf-profile.self.cycles-pp.syscall_exit_to_user_mode
0.00 +0.1 0.05 perf-profile.self.cycles-pp.locks_remove_file
0.00 +0.1 0.05 perf-profile.self.cycles-pp.security_current_getsecid_subj
0.00 +0.1 0.05 perf-profile.self.cycles-pp.security_file_free
0.05 ± 13% +0.1 0.10 ± 7% perf-profile.self.cycles-pp.rcu_all_qs
0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.dnotify_flush
0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.get_unused_fd_flags
0.05 ± 7% +0.1 0.10 ± 7% perf-profile.self.cycles-pp.lookup_fast
0.02 ± 99% +0.1 0.08 ± 4% perf-profile.self.cycles-pp.__x64_sys_close
0.08 ± 7% +0.1 0.13 ± 5% perf-profile.self.cycles-pp.ima_file_check
0.06 ± 8% +0.1 0.11 ± 5% perf-profile.self.cycles-pp.obj_cgroup_charge
0.03 ± 70% +0.1 0.09 ± 4% perf-profile.self.cycles-pp.getname_flags
0.09 ± 5% +0.1 0.15 ± 2% perf-profile.self.cycles-pp.do_sys_openat2
0.00 +0.1 0.06 ± 8% perf-profile.self.cycles-pp.alloc_empty_file
0.08 ± 5% +0.1 0.14 ± 5% perf-profile.self.cycles-pp.open_last_lookups
0.00 +0.1 0.06 perf-profile.self.cycles-pp.try_to_unlazy
0.10 ± 5% +0.1 0.16 ± 6% perf-profile.self.cycles-pp.__cond_resched
0.12 ± 4% +0.1 0.18 ± 2% perf-profile.self.cycles-pp.evm_file_release
0.32 ± 9% +0.1 0.38 ± 5% perf-profile.self.cycles-pp.inode_permission
0.09 ± 9% +0.1 0.16 ± 6% perf-profile.self.cycles-pp.mntput_no_expire
0.00 +0.1 0.06 ± 7% perf-profile.self.cycles-pp.check_stack_object
0.02 ±141% +0.1 0.08 ± 8% perf-profile.self.cycles-pp.file_close_fd_locked
0.02 ±141% +0.1 0.08 ± 5% perf-profile.self.cycles-pp.filp_flush
0.04 ± 44% +0.1 0.11 ± 8% perf-profile.self.cycles-pp.walk_component
0.00 +0.1 0.07 ± 8% perf-profile.self.cycles-pp.refill_obj_stock
0.07 +0.1 0.14 ± 2% perf-profile.self.cycles-pp.__check_object_size
0.10 ± 9% +0.1 0.17 ± 6% perf-profile.self.cycles-pp.__lookup_mnt
0.10 ± 10% +0.1 0.18 ± 9% perf-profile.self.cycles-pp.__memcg_slab_free_hook
0.09 ± 4% +0.1 0.17 ± 4% perf-profile.self.cycles-pp.mod_objcg_state
0.39 ± 4% +0.1 0.48 ± 2% perf-profile.self.cycles-pp.__fsnotify_parent
0.09 ± 4% +0.1 0.17 ± 6% perf-profile.self.cycles-pp.may_open
0.08 ± 5% +0.1 0.17 ± 3% perf-profile.self.cycles-pp.alloc_fd
0.10 ± 4% +0.1 0.19 ± 3% perf-profile.self.cycles-pp.__check_heap_object
0.12 ± 19% +0.1 0.21 ± 10% perf-profile.self.cycles-pp.testcase
0.11 +0.1 0.20 ± 3% perf-profile.self.cycles-pp.memset_orig
0.10 ± 3% +0.1 0.19 ± 3% perf-profile.self.cycles-pp.locks_remove_posix
0.07 ± 6% +0.1 0.18 ± 3% perf-profile.self.cycles-pp.build_open_flags
0.12 ± 3% +0.1 0.23 ± 5% perf-profile.self.cycles-pp.path_openat
0.17 ± 2% +0.1 0.28 ± 2% perf-profile.self.cycles-pp.__virt_addr_valid
0.15 ± 3% +0.1 0.27 ± 3% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
0.14 ± 5% +0.1 0.26 ± 2% perf-profile.self.cycles-pp.do_open
0.16 ± 2% +0.1 0.30 ± 4% perf-profile.self.cycles-pp.strncpy_from_user
0.16 ± 4% +0.1 0.30 ± 3% perf-profile.self.cycles-pp.do_filp_open
0.26 ± 6% +0.1 0.41 ± 5% perf-profile.self.cycles-pp.generic_permission
0.21 ± 4% +0.2 0.36 ± 7% perf-profile.self.cycles-pp.step_into
0.34 ± 8% +0.2 0.52 ± 4% perf-profile.self.cycles-pp.__d_lookup_rcu
0.46 ± 2% +0.3 0.77 ± 2% perf-profile.self.cycles-pp.link_path_walk
12.60 +0.3 12.93 perf-profile.self.cycles-pp.entry_SYSRETQ_unsafe_stack
0.50 ± 3% +0.3 0.83 ± 3% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof
0.42 ± 3% +0.4 0.78 ± 7% perf-profile.self.cycles-pp.__close
3.12 +0.5 3.58 ± 2% perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
1.29 ± 2% +0.5 1.77 ± 3% perf-profile.self.cycles-pp.entry_SYSCALL_64
0.57 ± 8% +0.5 1.10 ± 4% perf-profile.self.cycles-pp.open64
0.83 ± 2% +0.6 1.40 ± 9% perf-profile.self.cycles-pp.do_dentry_open
1.16 ± 6% +0.7 1.85 ± 8% perf-profile.self.cycles-pp.__fput
5.64 ± 2% +1.9 7.56 perf-profile.self.cycles-pp.syscall_return_via_sysret
3.27 ± 5% +2.7 5.93 ± 6% perf-profile.self.cycles-pp.apparmor_current_getsecid_subj
11.98 +4.8 16.83 ± 2% perf-profile.self.cycles-pp.apparmor_file_free_security
14.04 +9.2 23.20 perf-profile.self.cycles-pp.apparmor_file_alloc_security
***************************************************************************************************
lkp-skl-fpga01: 104 threads 2 sockets (Skylake) with 192G memory
=========================================================================================
compiler/cpufreq_governor/kconfig/mode/nr_task/rootfs/tbox_group/test/testcase:
gcc-13/performance/x86_64-rhel-8.3/process/100%/debian-12-x86_64-20240206.cgz/lkp-skl-fpga01/open1/will-it-scale
commit:
55027e6899 ("Merge tag 'input-for-v6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input")
22eddbc906 ("apparmor: try to avoid refing the label in apparmor_file_open")
55027e689933ba2e 22eddbc906d2fc507e4a01484e2
---------------- ---------------------------
%stddev %change %stddev
\ | \
0.01 ± 3% -0.0 0.01 mpstat.cpu.all.soft%
19.35 ± 2% +4.0 23.35 ± 3% mpstat.cpu.all.usr%
21320 -1.0% 21111 proc-vmstat.nr_kernel_stack
12782 ± 2% -7.8% 11784 ± 2% proc-vmstat.nr_mapped
4188213 ± 2% +90.7% 7986330 ± 2% will-it-scale.104.processes
40271 ± 2% +90.7% 76791 ± 2% will-it-scale.per_process_ops
4188213 ± 2% +90.7% 7986330 ± 2% will-it-scale.workload
0.16 ± 10% +18.1% 0.19 ± 6% sched_debug.cfs_rq:/.h_nr_running.stddev
86.01 ± 6% -20.8% 68.12 ± 10% sched_debug.cfs_rq:/.util_avg.stddev
25.34 ± 6% -51.7% 12.24 ± 8% sched_debug.cpu.clock.stddev
0.15 ± 11% +22.0% 0.19 ± 7% sched_debug.cpu.nr_running.stddev
4.37e+09 ± 3% +86.1% 8.131e+09 ± 2% perf-stat.i.branch-instructions
1.22 ± 5% -0.1 1.07 ± 5% perf-stat.i.branch-miss-rate%
50836606 ± 2% +59.8% 81252843 ± 3% perf-stat.i.branch-misses
1732 -2.8% 1683 perf-stat.i.context-switches
12.25 ± 2% -46.3% 6.58 ± 2% perf-stat.i.cpi
144.30 +11.1% 160.37 perf-stat.i.cpu-migrations
2.28e+10 ± 3% +86.7% 4.256e+10 ± 2% perf-stat.i.instructions
0.09 ± 6% +74.9% 0.16 ± 4% perf-stat.i.ipc
0.92 ± 29% -54.4% 0.42 ± 39% perf-stat.overall.MPKI
1.16 -0.2 1.00 perf-stat.overall.branch-miss-rate%
12.45 ± 2% -46.4% 6.67 perf-stat.overall.cpi
0.08 ± 2% +86.7% 0.15 perf-stat.overall.ipc
1676348 -2.2% 1639350 perf-stat.overall.path-length
4.358e+09 ± 3% +86.0% 8.105e+09 ± 2% perf-stat.ps.branch-instructions
50625012 ± 2% +59.9% 80948460 ± 2% perf-stat.ps.branch-misses
1726 -2.9% 1677 perf-stat.ps.context-switches
143.46 +11.4% 159.75 perf-stat.ps.cpu-migrations
2.273e+10 ± 3% +86.6% 4.242e+10 ± 2% perf-stat.ps.instructions
7.021e+12 ± 2% +86.5% 1.309e+13 ± 2% perf-stat.total.instructions
27.80 -22.5 5.26 ± 13% perf-profile.calltrace.cycles-pp.security_file_open.do_dentry_open.do_open.path_openat.do_filp_open
27.75 -22.5 5.22 ± 13% perf-profile.calltrace.cycles-pp.apparmor_file_open.security_file_open.do_dentry_open.do_open.path_openat
29.25 -21.9 7.33 ± 7% perf-profile.calltrace.cycles-pp.do_dentry_open.do_open.path_openat.do_filp_open.do_sys_openat2
34.76 -19.3 15.41 ± 6% perf-profile.calltrace.cycles-pp.do_open.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
58.25 -10.5 47.77 perf-profile.calltrace.cycles-pp.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
58.34 -10.4 47.93 perf-profile.calltrace.cycles-pp.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
58.68 -10.3 48.38 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.open64
60.03 -9.9 50.17 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.open64
52.68 -8.9 43.74 ± 2% perf-profile.calltrace.cycles-pp.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64
52.86 -8.8 44.08 ± 2% perf-profile.calltrace.cycles-pp.do_filp_open.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
73.80 -8.6 65.17 perf-profile.calltrace.cycles-pp.open64
3.29 ± 5% -2.3 1.02 ± 18% perf-profile.calltrace.cycles-pp.putname.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
1.30 ± 5% -0.3 0.97 ± 9% perf-profile.calltrace.cycles-pp.__legitimize_path.try_to_unlazy.complete_walk.do_open.path_openat
1.38 ± 4% -0.3 1.08 ± 8% perf-profile.calltrace.cycles-pp.try_to_unlazy.complete_walk.do_open.path_openat.do_filp_open
1.43 ± 4% -0.3 1.14 ± 8% perf-profile.calltrace.cycles-pp.complete_walk.do_open.path_openat.do_filp_open.do_sys_openat2
0.56 ± 8% +0.2 0.73 ± 6% perf-profile.calltrace.cycles-pp.__legitimize_mnt.__legitimize_path.try_to_unlazy.complete_walk.do_open
3.78 ± 3% +0.3 4.06 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSRETQ_unsafe_stack.__close
0.55 ± 3% +0.4 0.94 ± 3% perf-profile.calltrace.cycles-pp.kmem_cache_alloc_noprof.alloc_empty_file.path_openat.do_filp_open.do_sys_openat2
0.63 ± 2% +0.5 1.09 perf-profile.calltrace.cycles-pp.strncpy_from_user.getname_flags.do_sys_openat2.__x64_sys_openat.do_syscall_64
0.85 ± 2% +0.6 1.49 perf-profile.calltrace.cycles-pp.getname_flags.do_sys_openat2.__x64_sys_openat.do_syscall_64.entry_SYSCALL_64_after_hwframe
0.87 +0.7 1.53 perf-profile.calltrace.cycles-pp.link_path_walk.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
3.15 ± 3% +0.7 3.89 perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.open64
8.06 +0.7 8.81 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSRETQ_unsafe_stack.open64
0.00 +0.8 0.76 ± 2% perf-profile.calltrace.cycles-pp.__check_object_size.strncpy_from_user.getname_flags.do_sys_openat2.__x64_sys_openat
0.00 +0.8 0.78 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.open64
0.00 +0.8 0.81 ± 2% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64.__close
2.30 ± 6% +1.5 3.80 ± 12% perf-profile.calltrace.cycles-pp.syscall_return_via_sysret.__close
3.17 ± 4% +2.5 5.66 ± 9% perf-profile.calltrace.cycles-pp.apparmor_current_getsecid_subj.security_current_getsecid_subj.ima_file_check.security_file_post_open.do_open
3.20 ± 4% +2.5 5.71 ± 9% perf-profile.calltrace.cycles-pp.security_current_getsecid_subj.ima_file_check.security_file_post_open.do_open.path_openat
3.52 ± 3% +2.6 6.11 ± 8% perf-profile.calltrace.cycles-pp.ima_file_check.security_file_post_open.do_open.path_openat.do_filp_open
3.55 ± 3% +2.6 6.16 ± 8% perf-profile.calltrace.cycles-pp.security_file_post_open.do_open.path_openat.do_filp_open.do_sys_openat2
12.05 +4.9 16.92 ± 4% perf-profile.calltrace.cycles-pp.apparmor_file_free_security.security_file_free.__fput.__x64_sys_close.do_syscall_64
12.09 +4.9 16.98 ± 4% perf-profile.calltrace.cycles-pp.security_file_free.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe
14.89 +5.7 20.57 ± 2% perf-profile.calltrace.cycles-pp.__fput.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
18.30 +6.0 24.31 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.__close
16.42 +6.1 22.51 ± 2% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
15.87 +6.1 22.00 ± 2% perf-profile.calltrace.cycles-pp.__x64_sys_close.do_syscall_64.entry_SYSCALL_64_after_hwframe.__close
25.66 +8.4 34.10 perf-profile.calltrace.cycles-pp.__close
15.06 +8.9 23.97 perf-profile.calltrace.cycles-pp.init_file.alloc_empty_file.path_openat.do_filp_open.do_sys_openat2
14.03 +9.2 23.25 perf-profile.calltrace.cycles-pp.apparmor_file_alloc_security.security_file_alloc.init_file.alloc_empty_file.path_openat
15.78 +9.4 25.16 perf-profile.calltrace.cycles-pp.alloc_empty_file.path_openat.do_filp_open.do_sys_openat2.__x64_sys_openat
14.30 +9.4 23.69 perf-profile.calltrace.cycles-pp.security_file_alloc.init_file.alloc_empty_file.path_openat.do_filp_open
27.78 -22.6 5.22 ± 13% perf-profile.children.cycles-pp.apparmor_file_open
27.80 -22.5 5.27 ± 13% perf-profile.children.cycles-pp.security_file_open
29.26 -21.9 7.35 ± 7% perf-profile.children.cycles-pp.do_dentry_open
34.78 -19.3 15.45 ± 6% perf-profile.children.cycles-pp.do_open
58.30 -10.5 47.84 perf-profile.children.cycles-pp.do_sys_openat2
58.36 -10.4 47.95 perf-profile.children.cycles-pp.__x64_sys_openat
52.72 -8.9 43.80 ± 2% perf-profile.children.cycles-pp.path_openat
52.89 -8.8 44.10 ± 2% perf-profile.children.cycles-pp.do_filp_open
73.30 -8.0 65.30 perf-profile.children.cycles-pp.open64
75.66 -4.5 71.18 perf-profile.children.cycles-pp.do_syscall_64
79.01 -4.2 74.84 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
3.29 ± 5% -2.3 1.02 ± 18% perf-profile.children.cycles-pp.putname
0.72 ± 5% -0.5 0.22 ± 22% perf-profile.children.cycles-pp.lockref_get_not_dead
0.81 ± 10% -0.4 0.37 ± 84% perf-profile.children.cycles-pp.perf_mmap__push
0.78 ± 10% -0.4 0.35 ± 85% perf-profile.children.cycles-pp.writen
0.77 ± 10% -0.4 0.35 ± 84% perf-profile.children.cycles-pp.record__pushfn
1.31 ± 5% -0.3 0.98 ± 9% perf-profile.children.cycles-pp.__legitimize_path
1.40 ± 4% -0.3 1.08 ± 8% perf-profile.children.cycles-pp.try_to_unlazy
1.44 ± 4% -0.3 1.15 ± 8% perf-profile.children.cycles-pp.complete_walk
0.46 ± 9% -0.3 0.20 ± 78% perf-profile.children.cycles-pp.ksys_write
0.38 ± 5% -0.2 0.16 ± 10% perf-profile.children.cycles-pp.mnt_get_write_access
0.42 ± 10% -0.2 0.19 ± 78% perf-profile.children.cycles-pp.vfs_write
0.33 ± 9% -0.2 0.12 ± 86% perf-profile.children.cycles-pp.shmem_file_write_iter
0.29 ± 10% -0.2 0.10 ± 81% perf-profile.children.cycles-pp.generic_perform_write
0.32 ± 11% -0.1 0.25 ± 3% perf-profile.children.cycles-pp._raw_spin_lock
0.24 +0.0 0.26 ± 5% perf-profile.children.cycles-pp.__hrtimer_run_queues
0.16 ± 8% +0.0 0.18 ± 4% perf-profile.children.cycles-pp.update_process_times
0.18 ± 8% +0.0 0.21 ± 4% perf-profile.children.cycles-pp.tick_nohz_handler
0.08 ± 4% +0.0 0.11 perf-profile.children.cycles-pp.ima_file_free
0.13 ± 2% +0.0 0.17 ± 5% perf-profile.children.cycles-pp.fd_install
0.31 ± 4% +0.0 0.35 ± 2% perf-profile.children.cycles-pp.alloc_fd
0.08 ± 6% +0.0 0.12 ± 4% perf-profile.children.cycles-pp.set_root
0.07 ± 9% +0.0 0.11 ± 6% perf-profile.children.cycles-pp.syscall_exit_to_user_mode_prepare
0.11 ± 6% +0.0 0.16 ± 3% perf-profile.children.cycles-pp.nd_jump_root
0.05 +0.0 0.09 ± 5% perf-profile.children.cycles-pp.security_inode_permission
0.06 ± 7% +0.0 0.11 ± 3% perf-profile.children.cycles-pp.rcu_all_qs
0.18 ± 5% +0.0 0.22 ± 4% perf-profile.children.cycles-pp.path_init
0.09 ± 9% +0.0 0.14 ± 8% perf-profile.children.cycles-pp.mntput_no_expire
0.06 +0.1 0.11 perf-profile.children.cycles-pp.x64_sys_call
0.00 +0.1 0.05 perf-profile.children.cycles-pp._find_next_zero_bit
0.00 +0.1 0.05 perf-profile.children.cycles-pp.dnotify_flush
0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.get_unused_fd_flags
0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.locks_remove_file
0.40 ± 4% +0.1 0.46 ± 7% perf-profile.children.cycles-pp.__fsnotify_parent
0.00 +0.1 0.06 ± 6% perf-profile.children.cycles-pp.check_stack_object
0.00 +0.1 0.06 ± 9% perf-profile.children.cycles-pp.path_get
0.00 +0.1 0.06 perf-profile.children.cycles-pp.should_failslab
0.07 ± 9% +0.1 0.13 ± 10% perf-profile.children.cycles-pp.obj_cgroup_charge
0.00 +0.1 0.06 ± 7% perf-profile.children.cycles-pp.make_vfsuid
0.00 +0.1 0.07 ± 7% perf-profile.children.cycles-pp.file_ra_state_init
0.00 +0.1 0.07 ± 7% perf-profile.children.cycles-pp.getname
0.02 ±141% +0.1 0.08 ± 5% perf-profile.children.cycles-pp.file_close_fd_locked
0.20 ± 9% +0.1 0.27 ± 5% perf-profile.children.cycles-pp.file_close_fd
0.09 ± 5% +0.1 0.16 ± 3% perf-profile.children.cycles-pp.mod_objcg_state
0.00 +0.1 0.07 ± 10% perf-profile.children.cycles-pp.refill_obj_stock
0.10 ± 3% +0.1 0.17 ± 4% perf-profile.children.cycles-pp.__lookup_mnt
0.10 ± 6% +0.1 0.19 ± 2% perf-profile.children.cycles-pp.__check_heap_object
0.15 ± 3% +0.1 0.24 ± 3% perf-profile.children.cycles-pp.walk_component
0.10 +0.1 0.20 ± 2% perf-profile.children.cycles-pp.locks_remove_posix
0.12 ± 3% +0.1 0.22 ± 5% perf-profile.children.cycles-pp.memset_orig
0.23 ± 4% +0.1 0.33 perf-profile.children.cycles-pp.__d_lookup_rcu
0.19 ± 3% +0.1 0.30 perf-profile.children.cycles-pp.__virt_addr_valid
0.24 ± 5% +0.1 0.34 ± 14% perf-profile.children.cycles-pp.syscall_exit_to_user_mode
0.16 ± 3% +0.1 0.28 ± 3% perf-profile.children.cycles-pp.__cond_resched
0.08 ± 6% +0.1 0.19 ± 4% perf-profile.children.cycles-pp.build_open_flags
0.11 ± 19% +0.1 0.24 ± 11% perf-profile.children.cycles-pp.testcase
0.26 ± 3% +0.1 0.40 perf-profile.children.cycles-pp.lookup_fast
0.17 ± 6% +0.2 0.32 ± 3% perf-profile.children.cycles-pp.generic_permission
0.22 ± 6% +0.2 0.38 ± 6% perf-profile.children.cycles-pp.__memcg_slab_free_hook
0.30 ± 2% +0.2 0.46 ± 2% perf-profile.children.cycles-pp.check_heap_object
0.17 ± 2% +0.2 0.33 perf-profile.children.cycles-pp.filp_flush
0.57 ± 8% +0.2 0.73 ± 6% perf-profile.children.cycles-pp.__legitimize_mnt
0.34 ± 2% +0.2 0.50 ± 2% perf-profile.children.cycles-pp.may_open
0.28 ± 4% +0.2 0.46 ± 3% perf-profile.children.cycles-pp.__memcg_slab_post_alloc_hook
0.28 ± 2% +0.2 0.46 ± 2% perf-profile.children.cycles-pp.step_into
0.30 ± 2% +0.2 0.50 ± 2% perf-profile.children.cycles-pp.open_last_lookups
0.42 +0.2 0.64 perf-profile.children.cycles-pp.inode_permission
0.48 ± 2% +0.3 0.80 ± 2% perf-profile.children.cycles-pp.__check_object_size
0.63 ± 2% +0.5 1.10 perf-profile.children.cycles-pp.strncpy_from_user
1.41 +0.6 2.01 ± 2% perf-profile.children.cycles-pp.entry_SYSCALL_64
0.85 ± 2% +0.6 1.49 perf-profile.children.cycles-pp.getname_flags
0.88 +0.7 1.55 perf-profile.children.cycles-pp.link_path_walk
0.95 ± 2% +0.7 1.62 ± 2% perf-profile.children.cycles-pp.kmem_cache_alloc_noprof
5.56 ± 2% +2.3 7.82 ± 5% perf-profile.children.cycles-pp.syscall_return_via_sysret
3.17 ± 4% +2.5 5.66 ± 9% perf-profile.children.cycles-pp.apparmor_current_getsecid_subj
3.20 ± 4% +2.5 5.72 ± 9% perf-profile.children.cycles-pp.security_current_getsecid_subj
3.53 ± 3% +2.6 6.12 ± 8% perf-profile.children.cycles-pp.ima_file_check
3.56 ± 3% +2.6 6.16 ± 8% perf-profile.children.cycles-pp.security_file_post_open
12.07 +4.9 16.94 ± 4% perf-profile.children.cycles-pp.apparmor_file_free_security
12.10 +4.9 16.98 ± 4% perf-profile.children.cycles-pp.security_file_free
14.93 +5.7 20.62 ± 2% perf-profile.children.cycles-pp.__fput
15.88 +6.1 22.02 ± 2% perf-profile.children.cycles-pp.__x64_sys_close
25.75 +8.5 34.26 perf-profile.children.cycles-pp.__close
15.08 +8.9 24.00 perf-profile.children.cycles-pp.init_file
14.05 +9.2 23.27 perf-profile.children.cycles-pp.apparmor_file_alloc_security
14.31 +9.4 23.70 perf-profile.children.cycles-pp.security_file_alloc
15.80 +9.4 25.19 perf-profile.children.cycles-pp.alloc_empty_file
27.68 -22.5 5.20 ± 13% perf-profile.self.cycles-pp.apparmor_file_open
3.28 ± 5% -2.3 1.02 ± 18% perf-profile.self.cycles-pp.putname
0.72 ± 5% -0.5 0.22 ± 21% perf-profile.self.cycles-pp.lockref_get_not_dead
0.76 ± 10% -0.5 0.29 ± 21% perf-profile.self.cycles-pp.init_file
0.38 ± 5% -0.2 0.16 ± 10% perf-profile.self.cycles-pp.mnt_get_write_access
0.78 ± 9% -0.2 0.61 ± 7% perf-profile.self.cycles-pp.kmem_cache_free
0.32 ± 11% -0.1 0.24 ± 4% perf-profile.self.cycles-pp._raw_spin_lock
0.04 ± 44% +0.0 0.07 ± 7% perf-profile.self.cycles-pp.try_to_unlazy
0.05 +0.0 0.08 ± 6% perf-profile.self.cycles-pp.dput
0.08 ± 4% +0.0 0.11 ± 4% perf-profile.self.cycles-pp.ima_file_free
0.10 ± 3% +0.0 0.13 ± 3% perf-profile.self.cycles-pp.entry_SYSCALL_64_safe_stack
0.06 ± 6% +0.0 0.09 ± 5% perf-profile.self.cycles-pp.rcu_all_qs
0.07 ± 7% +0.0 0.10 ± 7% perf-profile.self.cycles-pp.syscall_exit_to_user_mode_prepare
0.05 ± 8% +0.0 0.09 ± 5% perf-profile.self.cycles-pp.security_file_alloc
0.07 ± 5% +0.0 0.11 ± 4% perf-profile.self.cycles-pp.set_root
0.05 +0.0 0.09 ± 4% perf-profile.self.cycles-pp.security_inode_permission
0.06 +0.0 0.10 ± 3% perf-profile.self.cycles-pp.__x64_sys_openat
0.10 ± 5% +0.0 0.14 ± 2% perf-profile.self.cycles-pp.security_file_release
0.11 ± 12% +0.0 0.15 ± 4% perf-profile.self.cycles-pp.do_sys_openat2
0.06 +0.0 0.10 ± 4% perf-profile.self.cycles-pp.check_heap_object
0.09 ± 9% +0.0 0.14 ± 7% perf-profile.self.cycles-pp.mntput_no_expire
0.06 ± 6% +0.0 0.10 ± 4% perf-profile.self.cycles-pp.x64_sys_call
0.00 +0.1 0.05 perf-profile.self.cycles-pp.dnotify_flush
0.00 +0.1 0.05 perf-profile.self.cycles-pp.file_close_fd
0.00 +0.1 0.05 perf-profile.self.cycles-pp.locks_remove_file
0.23 ± 3% +0.1 0.28 ± 3% perf-profile.self.cycles-pp.inode_permission
0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.complete_walk
0.00 +0.1 0.05 ± 7% perf-profile.self.cycles-pp.get_unused_fd_flags
0.05 ± 7% +0.1 0.10 ± 7% perf-profile.self.cycles-pp.obj_cgroup_charge
0.00 +0.1 0.05 ± 8% perf-profile.self.cycles-pp.check_stack_object
0.40 ± 4% +0.1 0.45 ± 7% perf-profile.self.cycles-pp.__fsnotify_parent
0.00 +0.1 0.06 ± 9% perf-profile.self.cycles-pp.alloc_empty_file
0.03 ± 70% +0.1 0.09 ± 4% perf-profile.self.cycles-pp.getname_flags
0.00 +0.1 0.06 ± 9% perf-profile.self.cycles-pp.security_current_getsecid_subj
0.08 +0.1 0.14 ± 6% perf-profile.self.cycles-pp.ima_file_check
0.02 ± 99% +0.1 0.08 ± 5% perf-profile.self.cycles-pp.__x64_sys_close
0.00 +0.1 0.06 perf-profile.self.cycles-pp.lookup_fast
0.00 +0.1 0.06 perf-profile.self.cycles-pp.make_vfsuid
0.10 ± 5% +0.1 0.16 ± 5% perf-profile.self.cycles-pp.__cond_resched
0.10 ± 9% +0.1 0.17 ± 7% perf-profile.self.cycles-pp.__memcg_slab_free_hook
0.13 ± 8% +0.1 0.19 ± 21% perf-profile.self.cycles-pp.syscall_exit_to_user_mode
0.06 ± 6% +0.1 0.12 ± 4% perf-profile.self.cycles-pp.__check_object_size
0.02 ±141% +0.1 0.08 ± 5% perf-profile.self.cycles-pp.filp_flush
0.09 ± 5% +0.1 0.16 ± 3% perf-profile.self.cycles-pp.may_open
0.09 ± 5% +0.1 0.16 ± 2% perf-profile.self.cycles-pp.mod_objcg_state
0.00 +0.1 0.07 ± 10% perf-profile.self.cycles-pp.refill_obj_stock
0.09 ± 6% +0.1 0.16 ± 3% perf-profile.self.cycles-pp.__lookup_mnt
0.08 ± 5% +0.1 0.16 ± 3% perf-profile.self.cycles-pp.alloc_fd
0.00 +0.1 0.08 ± 8% perf-profile.self.cycles-pp.file_close_fd_locked
0.10 ± 6% +0.1 0.18 ± 4% perf-profile.self.cycles-pp.__check_heap_object
0.09 ± 4% +0.1 0.18 ± 3% perf-profile.self.cycles-pp.open_last_lookups
0.10 ± 4% +0.1 0.19 perf-profile.self.cycles-pp.locks_remove_posix
0.17 ± 4% +0.1 0.26 ± 2% perf-profile.self.cycles-pp.__memcg_slab_post_alloc_hook
0.18 ± 5% +0.1 0.28 ± 3% perf-profile.self.cycles-pp.do_open
0.12 ± 4% +0.1 0.21 ± 5% perf-profile.self.cycles-pp.memset_orig
0.22 ± 3% +0.1 0.32 ± 2% perf-profile.self.cycles-pp.__d_lookup_rcu
0.18 ± 3% +0.1 0.28 perf-profile.self.cycles-pp.__virt_addr_valid
0.13 ± 4% +0.1 0.23 ± 6% perf-profile.self.cycles-pp.path_openat
0.08 ± 6% +0.1 0.18 ± 5% perf-profile.self.cycles-pp.build_open_flags
0.18 ± 2% +0.1 0.29 perf-profile.self.cycles-pp.step_into
0.08 ± 21% +0.1 0.20 ± 12% perf-profile.self.cycles-pp.testcase
0.16 ± 5% +0.1 0.29 ± 3% perf-profile.self.cycles-pp.do_filp_open
0.15 ± 7% +0.1 0.28 ± 2% perf-profile.self.cycles-pp.generic_permission
0.16 ± 4% +0.1 0.30 ± 3% perf-profile.self.cycles-pp.strncpy_from_user
0.56 ± 7% +0.2 0.72 ± 6% perf-profile.self.cycles-pp.__legitimize_mnt
0.30 +0.3 0.55 perf-profile.self.cycles-pp.link_path_walk
0.43 ± 3% +0.3 0.73 ± 12% perf-profile.self.cycles-pp.__close
0.49 +0.3 0.82 ± 3% perf-profile.self.cycles-pp.kmem_cache_alloc_noprof
3.36 ± 3% +0.3 3.70 perf-profile.self.cycles-pp.entry_SYSCALL_64_after_hwframe
1.23 ± 6% +0.5 1.70 ± 4% perf-profile.self.cycles-pp.__fput
1.28 +0.5 1.77 ± 3% perf-profile.self.cycles-pp.entry_SYSCALL_64
0.58 ± 6% +0.5 1.10 ± 3% perf-profile.self.cycles-pp.open64
0.78 ± 5% +0.6 1.40 ± 10% perf-profile.self.cycles-pp.do_dentry_open
5.55 ± 2% +2.3 7.82 ± 5% perf-profile.self.cycles-pp.syscall_return_via_sysret
3.16 ± 4% +2.5 5.63 ± 9% perf-profile.self.cycles-pp.apparmor_current_getsecid_subj
12.02 +4.8 16.87 ± 4% perf-profile.self.cycles-pp.apparmor_file_free_security
13.98 +9.2 23.16 perf-profile.self.cycles-pp.apparmor_file_alloc_security
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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