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ZHyj8Zgm0uEbkdQMNi49FDfcsy9w/O1ZNtMEMqP0NGyOy1rveKNeVfwefJjdbS9LV0I1EKeaxbGMbO+EBU86yw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV3PR11MB8506 X-OriginatorOrg: intel.com Hello, kernel test robot noticed a -98.9% regression of stress-ng.key.ops_per_sec on: commit: 9578e327b2b4935a25d49e3891b8fcca9b6c10c6 ("keys: update key quotas in key_put()") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master testcase: stress-ng test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory parameters: nr_threads: 100% testtime: 60s test: key cpufreq_governor: performance If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202405211428.a5fd016-oliver.sang@intel.com Details are as below: --------------------------------------------------------------------------------------------------> The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240521/202405211428.a5fd016-oliver.sang@intel.com ========================================================================================= compiler/cpufreq_governor/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime: gcc-13/performance/x86_64-rhel-8.3/100%/debian-12-x86_64-20240206.cgz/lkp-icl-2sp7/key/stress-ng/60s commit: 45db3ab700 ("Merge tag '6.9-rc7-ksmbd-fixes' of git://git.samba.org/ksmbd") 9578e327b2 ("keys: update key quotas in key_put()") 45db3ab700926379 9578e327b2b4935a25d49e3891b ---------------- --------------------------- %stddev %change %stddev \ | \ 0.02 ? 5% +0.4 0.40 ? 5% mpstat.cpu.all.soft% 3327 ? 4% +26.3% 4203 vmstat.system.cs 132586 +12.5% 149116 vmstat.system.in 242317 ? 21% +81.7% 440232 ? 7% numa-numastat.node0.local_node 265814 ? 20% +77.8% 472661 ? 6% numa-numastat.node0.numa_hit 336040 ? 21% +44.6% 485763 ? 12% numa-numastat.node1.local_node 1420300 -98.9% 16000 stress-ng.key.ops 23671 -98.9% 266.57 stress-ng.key.ops_per_sec 86664 ? 9% +39.7% 121097 ? 3% stress-ng.time.involuntary_context_switches 147766 ? 2% +13.5% 167740 meminfo.Active 147701 ? 2% +13.5% 167676 meminfo.Active(anon) 383066 +113.9% 819244 meminfo.SUnreclaim 474630 +91.8% 910260 meminfo.Slab 197208 ? 4% +117.4% 428732 numa-meminfo.node0.SUnreclaim 243602 ? 10% +97.4% 480764 ? 4% numa-meminfo.node0.Slab 185960 ? 4% +108.0% 386790 numa-meminfo.node1.SUnreclaim 231124 ? 10% +84.2% 425753 ? 5% numa-meminfo.node1.Slab 49305 ? 4% +117.5% 107260 numa-vmstat.node0.nr_slab_unreclaimable 265330 ? 20% +78.1% 472675 ? 6% numa-vmstat.node0.numa_hit 241833 ? 21% +82.0% 440246 ? 7% numa-vmstat.node0.numa_local 46500 ? 4% +108.2% 96809 numa-vmstat.node1.nr_slab_unreclaimable 335385 ? 21% +44.8% 485563 ? 12% numa-vmstat.node1.numa_local 1343 ? 60% +284.2% 5162 ? 14% perf-c2c.DRAM.local 1029 ? 50% +942.9% 10731 ? 9% perf-c2c.DRAM.remote 722.67 ? 2% +1259.5% 9825 perf-c2c.HITM.local 565.50 ? 4% +1169.2% 7177 perf-c2c.HITM.remote 1288 ? 2% +1219.9% 17002 perf-c2c.HITM.total 246.44 ? 7% +13.0% 278.58 ? 5% sched_debug.cfs_rq:/.runnable_avg.stddev 218.77 ? 5% +77.4% 388.20 ? 9% sched_debug.cfs_rq:/.util_est.avg 987.92 ? 9% +36.9% 1352 ? 10% sched_debug.cfs_rq:/.util_est.max 177.06 ? 7% +44.6% 256.06 ? 6% sched_debug.cfs_rq:/.util_est.stddev 3311 ? 2% +12.2% 3716 ? 2% sched_debug.cpu.nr_switches.avg 37118 ? 2% +10.5% 41032 ? 2% proc-vmstat.nr_active_anon 71004 +4.1% 73890 proc-vmstat.nr_shmem 95794 +112.8% 203871 proc-vmstat.nr_slab_unreclaimable 37118 ? 2% +10.5% 41032 ? 2% proc-vmstat.nr_zone_active_anon 3916 ? 4% +106.1% 8072 ? 56% proc-vmstat.numa_hint_faults_local 645123 ? 3% +54.1% 993900 ? 3% proc-vmstat.numa_hit 578841 ? 4% +60.3% 927625 ? 3% proc-vmstat.numa_local 902523 ? 2% +108.0% 1876904 ? 4% proc-vmstat.pgalloc_normal 663704 ? 4% +103.7% 1351779 ? 7% proc-vmstat.pgfree 0.49 ? 20% +70.9% 0.84 ? 4% perf-stat.i.MPKI 5.892e+09 -9.9% 5.309e+09 perf-stat.i.branch-instructions 0.60 ? 7% +0.1 0.69 ? 5% perf-stat.i.branch-miss-rate% 43.36 ? 12% +9.2 52.51 ? 3% perf-stat.i.cache-miss-rate% 11245283 ? 21% +66.7% 18744064 ? 4% perf-stat.i.cache-misses 22283372 ? 13% +57.0% 34986667 ? 2% perf-stat.i.cache-references 3339 ? 4% +25.9% 4204 ? 2% perf-stat.i.context-switches 7.89 +8.4% 8.55 perf-stat.i.cpi 136.30 +9.5% 149.28 ? 2% perf-stat.i.cpu-migrations 51088 ? 27% -75.8% 12346 ? 4% perf-stat.i.cycles-between-cache-misses 2.461e+10 -7.7% 2.271e+10 perf-stat.i.instructions 0.13 -8.6% 0.12 perf-stat.i.ipc 0.04 ? 66% +142.6% 0.10 ? 40% perf-stat.i.major-faults 0.43 ? 21% +89.3% 0.82 ? 4% perf-stat.overall.MPKI 0.62 ? 6% +0.1 0.71 ? 5% perf-stat.overall.branch-miss-rate% 7.92 +8.4% 8.58 perf-stat.overall.cpi 19604 ? 31% -46.5% 10494 ? 4% perf-stat.overall.cycles-between-cache-misses 0.13 -7.7% 0.12 perf-stat.overall.ipc 5.796e+09 -10.0% 5.219e+09 perf-stat.ps.branch-instructions 10473414 ? 21% +74.6% 18283383 ? 4% perf-stat.ps.cache-misses 21668097 ? 13% +58.6% 34375038 ? 2% perf-stat.ps.cache-references 3202 ? 4% +28.6% 4117 ? 2% perf-stat.ps.context-switches 133.71 +9.5% 146.46 ? 2% perf-stat.ps.cpu-migrations 2.417e+10 -7.7% 2.231e+10 perf-stat.ps.instructions 0.04 ? 66% +162.8% 0.09 ? 41% perf-stat.ps.major-faults 1.473e+12 -8.1% 1.354e+12 perf-stat.total.instructions 97.62 -97.6 0.00 perf-profile.calltrace.cycles-pp.read.stress_run 97.60 -97.6 0.00 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.read.stress_run 97.60 -97.6 0.00 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.read.stress_run 97.59 -97.6 0.00 perf-profile.calltrace.cycles-pp.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read.stress_run 97.59 -97.6 0.00 perf-profile.calltrace.cycles-pp.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe.read 97.58 -97.6 0.00 perf-profile.calltrace.cycles-pp.proc_reg_read_iter.vfs_read.ksys_read.do_syscall_64.entry_SYSCALL_64_after_hwframe 97.58 -97.6 0.00 perf-profile.calltrace.cycles-pp.seq_read_iter.proc_reg_read_iter.vfs_read.ksys_read.do_syscall_64 95.99 -96.0 0.00 perf-profile.calltrace.cycles-pp.proc_keys_start.seq_read_iter.proc_reg_read_iter.vfs_read.ksys_read 95.97 -96.0 0.00 perf-profile.calltrace.cycles-pp._raw_spin_lock.proc_keys_start.seq_read_iter.proc_reg_read_iter.vfs_read 95.94 -95.9 0.00 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.proc_keys_start.seq_read_iter.proc_reg_read_iter 98.04 -0.4 97.64 perf-profile.calltrace.cycles-pp.stress_run 1.60 -0.0 1.58 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_garbage_collector.process_one_work.worker_thread 1.66 ? 3% +0.5 2.20 perf-profile.calltrace.cycles-pp.kthread.ret_from_fork.ret_from_fork_asm 1.66 ? 3% +0.5 2.20 perf-profile.calltrace.cycles-pp.ret_from_fork.ret_from_fork_asm 1.66 ? 3% +0.5 2.20 perf-profile.calltrace.cycles-pp.ret_from_fork_asm 0.00 +0.6 0.58 ? 6% perf-profile.calltrace.cycles-pp.rcu_do_batch.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn 0.00 +0.6 0.58 ? 6% perf-profile.calltrace.cycles-pp.rcu_core.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread 0.00 +0.6 0.58 ? 5% perf-profile.calltrace.cycles-pp.handle_softirqs.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork 0.00 +0.6 0.58 ? 5% perf-profile.calltrace.cycles-pp.run_ksoftirqd.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.00 +0.6 0.58 ? 5% perf-profile.calltrace.cycles-pp.smpboot_thread_fn.kthread.ret_from_fork.ret_from_fork_asm 0.00 +3.1 3.13 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_revoke_key 0.00 +3.2 3.15 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_revoke_key.do_syscall_64 0.00 +3.2 3.16 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_revoke_key.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +3.2 3.20 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_revoke_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +3.2 3.25 perf-profile.calltrace.cycles-pp.keyctl_revoke_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +6.2 6.18 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_read_key 0.00 +6.2 6.19 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_keyring_unlink 0.00 +6.2 6.20 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_get_security 0.00 +6.2 6.20 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_setperm_key 0.00 +6.2 6.21 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_describe_key 0.00 +6.2 6.22 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_read_key.do_syscall_64 0.00 +6.2 6.23 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_keyring_link 0.00 +6.2 6.23 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_keyring_unlink.do_syscall_64 0.00 +6.2 6.24 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_describe_key.do_syscall_64 0.00 +6.2 6.24 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_get_security.do_syscall_64 0.00 +6.2 6.24 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_setperm_key.do_syscall_64 0.00 +6.2 6.24 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_update_key 0.00 +6.2 6.25 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_alloc.__key_create_or_update.key_create_or_update 0.00 +6.3 6.25 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_keyring_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +6.3 6.25 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_read_key.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +6.3 6.26 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_keyring_link.do_syscall_64 0.00 +6.3 6.27 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_setperm_key.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +6.3 6.27 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_get_security.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +6.3 6.27 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_set_timeout 0.00 +6.3 6.28 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_update_key.do_syscall_64 0.00 +6.3 6.28 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_alloc.__key_create_or_update.key_create_or_update.__do_sys_add_key 0.00 +6.3 6.29 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_keyring_link.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +6.3 6.30 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_read_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +6.3 6.30 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_keyring_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +6.3 6.30 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_set_timeout.do_syscall_64 0.00 +6.3 6.31 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_update_key.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +6.3 6.31 perf-profile.calltrace.cycles-pp.keyctl_setperm_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +6.3 6.31 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_setperm_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +6.3 6.32 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_get_security.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +6.3 6.32 perf-profile.calltrace.cycles-pp.keyctl_get_security.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +6.3 6.33 perf-profile.calltrace.cycles-pp.keyctl_read_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +6.3 6.34 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_set_timeout.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +6.3 6.35 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_keyring_link.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +6.4 6.36 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_update_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +6.4 6.38 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_set_timeout.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +6.4 6.40 perf-profile.calltrace.cycles-pp.keyctl_keyring_link.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +6.4 6.41 perf-profile.calltrace.cycles-pp.keyctl_update_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +6.4 6.41 perf-profile.calltrace.cycles-pp.keyctl_set_timeout.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +6.4 6.42 perf-profile.calltrace.cycles-pp.keyctl_keyring_unlink.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +6.4 6.42 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_describe_key.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +6.5 6.49 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_describe_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +6.6 6.55 perf-profile.calltrace.cycles-pp.keyctl_describe_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +6.7 6.73 perf-profile.calltrace.cycles-pp.key_alloc.__key_create_or_update.key_create_or_update.__do_sys_add_key.do_syscall_64 0.00 +7.0 7.04 perf-profile.calltrace.cycles-pp.__key_create_or_update.key_create_or_update.__do_sys_add_key.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +7.0 7.05 perf-profile.calltrace.cycles-pp.key_create_or_update.__do_sys_add_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +7.2 7.22 perf-profile.calltrace.cycles-pp.__do_sys_add_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +12.4 12.44 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_chown_key 0.00 +12.5 12.51 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_chown_key.do_syscall_64 0.00 +12.6 12.56 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_chown_key.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +12.7 12.65 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_chown_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +12.7 12.66 perf-profile.calltrace.cycles-pp.keyctl_chown_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +21.8 21.80 perf-profile.calltrace.cycles-pp.native_queued_spin_lock_slowpath._raw_spin_lock.key_lookup.lookup_user_key.keyctl_invalidate_key 0.00 +21.9 21.92 perf-profile.calltrace.cycles-pp._raw_spin_lock.key_lookup.lookup_user_key.keyctl_invalidate_key.do_syscall_64 0.00 +22.1 22.13 perf-profile.calltrace.cycles-pp.key_lookup.lookup_user_key.keyctl_invalidate_key.do_syscall_64.entry_SYSCALL_64_after_hwframe 0.00 +22.4 22.38 perf-profile.calltrace.cycles-pp.lookup_user_key.keyctl_invalidate_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall 0.00 +22.4 22.44 perf-profile.calltrace.cycles-pp.keyctl_invalidate_key.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +97.3 97.28 perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +97.3 97.29 perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.syscall.stress_run 0.00 +97.5 97.50 perf-profile.calltrace.cycles-pp.syscall.stress_run 97.62 -97.6 0.05 perf-profile.children.cycles-pp.read 97.59 -97.6 0.02 ?141% perf-profile.children.cycles-pp.proc_reg_read_iter 97.60 -97.6 0.05 perf-profile.children.cycles-pp.ksys_read 97.60 -97.5 0.05 perf-profile.children.cycles-pp.vfs_read 97.58 -97.5 0.05 perf-profile.children.cycles-pp.seq_read_iter 95.99 -96.0 0.00 perf-profile.children.cycles-pp.proc_keys_start 97.56 -2.1 95.48 perf-profile.children.cycles-pp.native_queued_spin_lock_slowpath 97.61 -2.1 95.54 perf-profile.children.cycles-pp._raw_spin_lock 1.24 ? 3% -1.2 0.06 perf-profile.children.cycles-pp.vsnprintf 98.23 -0.8 97.42 perf-profile.children.cycles-pp.do_syscall_64 98.24 -0.8 97.44 perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe 98.04 -0.4 97.64 perf-profile.children.cycles-pp.stress_run 0.00 +0.1 0.05 perf-profile.children.cycles-pp.__check_object_size 0.00 +0.1 0.05 perf-profile.children.cycles-pp.assoc_array_insert_into_terminal_node 0.00 +0.1 0.05 perf-profile.children.cycles-pp.queue_work_on 0.00 +0.1 0.05 ? 7% perf-profile.children.cycles-pp.__cond_resched 0.00 +0.1 0.05 ? 7% perf-profile.children.cycles-pp.key_user_lookup 0.00 +0.1 0.05 ? 8% perf-profile.children.cycles-pp.kvasprintf 0.00 +0.1 0.06 ? 9% perf-profile.children.cycles-pp.kasprintf 0.00 +0.1 0.06 ? 8% perf-profile.children.cycles-pp._get_random_bytes 0.00 +0.1 0.06 perf-profile.children.cycles-pp.__kmalloc_node_track_caller 0.00 +0.1 0.06 perf-profile.children.cycles-pp.entry_SYSCALL_64 0.00 +0.1 0.08 ? 6% perf-profile.children.cycles-pp.__key_instantiate_and_link 0.00 +0.1 0.08 ? 4% perf-profile.children.cycles-pp.key_type_lookup 0.00 +0.1 0.08 perf-profile.children.cycles-pp.memdup_user 0.00 +0.1 0.08 ? 5% perf-profile.children.cycles-pp.down_read 0.00 +0.1 0.08 ? 5% perf-profile.children.cycles-pp.memcmp 0.43 ? 3% +0.1 0.52 ? 7% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt 0.41 ? 3% +0.1 0.50 ? 7% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt 0.00 +0.1 0.09 perf-profile.children.cycles-pp.request_key_and_link 0.00 +0.1 0.09 ? 7% perf-profile.children.cycles-pp.irq_exit_rcu 0.00 +0.1 0.10 perf-profile.children.cycles-pp.__slab_free 0.00 +0.1 0.10 perf-profile.children.cycles-pp.keyctl_keyring_search 0.00 +0.1 0.11 ? 4% perf-profile.children.cycles-pp.key_link 0.00 +0.1 0.11 perf-profile.children.cycles-pp.key_unlink 0.00 +0.1 0.13 ? 2% perf-profile.children.cycles-pp.clear_bhb_loop 0.00 +0.1 0.13 ? 2% perf-profile.children.cycles-pp.keyring_compare_object 0.00 +0.1 0.14 ? 3% perf-profile.children.cycles-pp.kfree 0.00 +0.1 0.14 ? 4% perf-profile.children.cycles-pp.assoc_array_insert 0.00 +0.2 0.17 ? 4% perf-profile.children.cycles-pp.key_payload_reserve 0.00 +0.2 0.18 perf-profile.children.cycles-pp.strnlen_user 0.00 +0.2 0.19 perf-profile.children.cycles-pp.assoc_array_find 0.00 +0.2 0.19 ? 3% perf-profile.children.cycles-pp.__key_link_begin 0.00 +0.2 0.23 perf-profile.children.cycles-pp.hash_key_type_and_desc 0.02 ? 99% +0.2 0.26 perf-profile.children.cycles-pp.strndup_user 0.00 +0.4 0.35 perf-profile.children.cycles-pp.__do_sys_request_key 0.00 +0.5 0.50 ? 8% perf-profile.children.cycles-pp.key_put 0.00 +0.5 0.52 ? 8% perf-profile.children.cycles-pp.assoc_array_rcu_cleanup 1.66 ? 3% +0.5 2.20 perf-profile.children.cycles-pp.kthread 1.66 ? 3% +0.5 2.20 perf-profile.children.cycles-pp.ret_from_fork 1.66 ? 3% +0.5 2.20 perf-profile.children.cycles-pp.ret_from_fork_asm 0.00 +0.6 0.56 ? 8% perf-profile.children.cycles-pp._raw_spin_lock_irqsave 0.00 +0.6 0.58 ? 5% perf-profile.children.cycles-pp.run_ksoftirqd 0.00 +0.6 0.58 ? 5% perf-profile.children.cycles-pp.smpboot_thread_fn 0.00 +0.7 0.66 ? 6% perf-profile.children.cycles-pp.rcu_do_batch 0.00 +0.7 0.66 ? 6% perf-profile.children.cycles-pp.rcu_core 0.00 +0.7 0.67 ? 6% perf-profile.children.cycles-pp.handle_softirqs 0.00 +0.7 0.69 perf-profile.children.cycles-pp.search_nested_keyrings 0.00 +0.7 0.70 perf-profile.children.cycles-pp.search_cred_keyrings_rcu 0.00 +0.7 0.71 perf-profile.children.cycles-pp.search_process_keyrings_rcu 0.00 +0.7 0.72 perf-profile.children.cycles-pp.keyring_search_rcu 0.00 +3.2 3.25 perf-profile.children.cycles-pp.keyctl_revoke_key 0.00 +6.3 6.31 perf-profile.children.cycles-pp.keyctl_setperm_key 0.00 +6.3 6.32 perf-profile.children.cycles-pp.keyctl_get_security 0.00 +6.3 6.33 perf-profile.children.cycles-pp.keyctl_read_key 0.00 +6.4 6.40 perf-profile.children.cycles-pp.keyctl_keyring_link 0.00 +6.4 6.41 perf-profile.children.cycles-pp.keyctl_update_key 0.00 +6.4 6.41 perf-profile.children.cycles-pp.keyctl_set_timeout 0.00 +6.4 6.42 perf-profile.children.cycles-pp.keyctl_keyring_unlink 0.00 +6.6 6.55 perf-profile.children.cycles-pp.keyctl_describe_key 0.00 +6.7 6.73 perf-profile.children.cycles-pp.key_alloc 0.07 ? 6% +7.0 7.05 perf-profile.children.cycles-pp.__key_create_or_update 0.07 ? 6% +7.0 7.05 perf-profile.children.cycles-pp.key_create_or_update 0.15 ? 2% +7.1 7.22 perf-profile.children.cycles-pp.__do_sys_add_key 0.00 +12.7 12.66 perf-profile.children.cycles-pp.keyctl_chown_key 0.00 +22.4 22.45 perf-profile.children.cycles-pp.keyctl_invalidate_key 0.00 +88.3 88.26 perf-profile.children.cycles-pp.key_lookup 0.00 +89.1 89.10 perf-profile.children.cycles-pp.lookup_user_key 0.20 ? 2% +97.3 97.55 perf-profile.children.cycles-pp.syscall 97.16 -2.1 95.03 perf-profile.self.cycles-pp.native_queued_spin_lock_slowpath 0.00 +0.1 0.05 perf-profile.self.cycles-pp.queue_work_on 0.00 +0.1 0.05 ? 8% perf-profile.self.cycles-pp.key_put 0.00 +0.1 0.06 perf-profile.self.cycles-pp.syscall 0.00 +0.1 0.06 ? 6% perf-profile.self.cycles-pp.assoc_array_insert 0.00 +0.1 0.07 perf-profile.self.cycles-pp.key_payload_reserve 0.00 +0.1 0.07 ? 5% perf-profile.self.cycles-pp._raw_spin_lock_irqsave 0.00 +0.1 0.08 perf-profile.self.cycles-pp.assoc_array_find 0.00 +0.1 0.08 perf-profile.self.cycles-pp.memcmp 0.00 +0.1 0.08 ? 4% perf-profile.self.cycles-pp.down_read 0.00 +0.1 0.10 ? 3% perf-profile.self.cycles-pp.__slab_free 0.00 +0.1 0.11 ? 5% perf-profile.self.cycles-pp.lookup_user_key 0.00 +0.1 0.12 ? 3% perf-profile.self.cycles-pp.clear_bhb_loop 0.00 +0.2 0.18 ? 2% perf-profile.self.cycles-pp.strnlen_user 0.00 +0.2 0.22 ? 2% perf-profile.self.cycles-pp.hash_key_type_and_desc 0.00 +0.2 0.24 ? 3% perf-profile.self.cycles-pp.key_alloc 0.00 +0.3 0.25 perf-profile.self.cycles-pp.search_nested_keyrings 0.05 +0.5 0.53 perf-profile.self.cycles-pp._raw_spin_lock 0.00 +0.6 0.64 perf-profile.self.cycles-pp.key_lookup 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