***************** crashinfo --stacksummary ***************** /exports/testreports/47845/testresults/sanity-benchmark-special9-zfs-centos7_x86_64-centos7_x86_64/oleg143-server-timeout-core (3.10.0-7.9-debug) ------- 101 stacks like that: ---------- #0 __schedule #1 schedule #2 taskq_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=3493), oldest=359s(pid=3492) ........................ arc_prune 1 times dbu_evict 1 times dp_sync_taskq 8 times dp_zil_clean_ta 12 times metaslab_group_ 6 times spl_delay_taskq 1 times spl_dynamic_tas 1 times spl_kmem_cache 1 times spl_system_task 1 times tx_commit_cb 3 times z_cl_int 3 times z_cl_iss 3 times z_fr_int 3 times z_fr_iss 3 times z_ioctl_int 3 times z_ioctl_iss 3 times z_null_int 3 times z_null_iss 3 times z_prefetch 3 times z_rd_int 4 times z_rd_iss 3 times z_trim_int 3 times z_trim_iss 3 times z_unlinked_drai 3 times z_upgrade 3 times z_vdev_file 1 times z_wr_int 2 times z_wr_int_h 3 times z_wr_iss 4 times z_wr_iss_h 3 times z_zrele 3 times z_zvol 3 times zvol 1 times ------- 99 stacks like that: ---------- #0 __schedule #1 schedule #2 ptlrpc_wait_event #3 ptlrpc_main #4 kthread #5 ret_from_fork_nospec_begin youngest=0s(pid=19047), oldest=329s(pid=8430) ........................ ldlm_cb00_000 1 times ldlm_cb00_001 1 times ldlm_cb00_002 1 times ldlm_cb00_003 1 times ldlm_cn00_000 1 times ldlm_cn00_001 1 times ldlm_cn00_002 1 times ldlm_cn00_003 1 times ldlm_cn00_004 1 times ldlm_cn00_005 1 times ldlm_cn00_006 1 times ldlm_cn00_007 1 times ldlm_cn00_008 1 times ll_mgs_0000 1 times ll_mgs_0001 1 times ll_mgs_0002 1 times ll_ost00_000 1 times ll_ost00_001 1 times ll_ost00_002 1 times ll_ost00_003 1 times ll_ost00_004 1 times ll_ost00_005 1 times ll_ost00_006 1 times ll_ost00_007 1 times ll_ost00_008 1 times ll_ost00_009 1 times ll_ost00_010 1 times ll_ost00_011 1 times ll_ost00_012 1 times ll_ost00_013 1 times ll_ost00_014 1 times ll_ost00_015 1 times ll_ost00_016 1 times ll_ost00_017 1 times ll_ost00_018 1 times ll_ost00_019 1 times ll_ost00_020 1 times ll_ost00_021 1 times ll_ost00_022 1 times ll_ost00_023 1 times ll_ost00_024 1 times ll_ost_create00 3 times ll_ost_io00_000 1 times ll_ost_io00_001 1 times ll_ost_io00_002 1 times ll_ost_io00_004 1 times ll_ost_io00_005 1 times ll_ost_io00_006 1 times ll_ost_io00_011 1 times ll_ost_io00_012 1 times ll_ost_io00_013 1 times ll_ost_io00_017 1 times ll_ost_io00_018 1 times ll_ost_io00_020 1 times ll_ost_out00_00 2 times ll_ost_seq00_00 2 times mdt00_000 1 times mdt00_001 1 times mdt00_002 1 times mdt00_003 1 times mdt00_004 1 times mdt00_005 1 times mdt00_006 1 times mdt00_007 1 times mdt00_008 1 times mdt00_009 1 times mdt00_010 1 times mdt00_011 1 times mdt00_012 1 times mdt00_013 1 times mdt_fld_0000 1 times mdt_fld_0001 1 times mdt_io00_000 1 times mdt_io00_001 1 times mdt_io00_002 1 times mdt_io00_003 1 times mdt_io00_004 1 times mdt_out00_000 1 times mdt_out00_001 1 times mdt_out00_002 1 times mdt_rdpg00_000 1 times mdt_rdpg00_001 1 times mdt_rdpg00_002 1 times mdt_rdpg00_003 1 times mdt_rdpg00_004 1 times mdt_rdpg00_005 1 times mdt_rdpg00_006 1 times mdt_rdpg00_007 1 times mdt_rdpg00_008 1 times mdt_rdpg00_009 1 times mdt_seqm_0000 1 times mdt_seqm_0001 1 times mdt_seqm_0002 1 times mdt_seqs_0000 1 times mdt_seqs_0001 1 times ------- 25 stacks like that: ---------- #0 __schedule #1 schedule #2 rescuer_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=393s(pid=43), oldest=416s(pid=12) ........................ ata_sff 1 times bioset 3 times crypto 1 times deferwq 1 times edac-poller 1 times ext4-rsv-conver 1 times ipv6_addrconf 1 times kblockd 1 times kintegrityd 1 times kmpath_rdacd 1 times kpsmoused 1 times kthrotld 1 times kvm-irqfd-clean 1 times lru-add-drain 1 times md 1 times netns 1 times nfsiod 1 times rpciod 1 times scsi_tmf_0 1 times scsi_tmf_1 1 times watchdogd 1 times writeback 1 times xprtiod 1 times ------- 18 stacks like that: ---------- #0 __schedule #1 schedule #2 worker_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=51), oldest=404s(pid=18) ........................ kworker/0:0H 1 times kworker/0:1 1 times kworker/0:1H 1 times kworker/0:2 1 times kworker/1:0H 1 times kworker/1:1 1 times kworker/1:1H 1 times kworker/1:2 1 times kworker/2:0H 1 times kworker/2:1 1 times kworker/2:1H 1 times kworker/2:2 1 times kworker/3:0 1 times kworker/3:0H 1 times kworker/3:1H 1 times kworker/3:2 1 times kworker/u8:0 1 times kworker/u8:3 1 times ------- 13 stacks like that: ---------- #0 __schedule #1 schedule #2 cv_wait_common #3 __cv_wait_idle #4 zthr_procedure #5 thread_generic_wrapper #6 kthread #7 ret_from_fork_nospec_begin youngest=0s(pid=3502), oldest=337s(pid=6781) ........................ arc_evict 1 times z_checkpoint_di 3 times z_indirect_cond 3 times z_livelist_cond 3 times z_livelist_dest 3 times ------- 12 stacks like that: ---------- #0 __schedule #1 schedule #2 smpboot_thread_fn #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=6), oldest=4s(pid=16) ........................ ksoftirqd/0 1 times ksoftirqd/1 1 times ksoftirqd/2 1 times ksoftirqd/3 1 times migration/0 1 times migration/1 1 times migration/2 1 times migration/3 1 times watchdog/0 1 times watchdog/1 1 times watchdog/2 1 times watchdog/3 1 times ------- 8 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 poll_schedule_timeout #5 do_sys_poll #6 sys_poll #7 system_call_fastpath youngest=1s(pid=836), oldest=388s(pid=884) ........................ NetworkManager 1 times gdbus 2 times gmain 2 times polkitd 3 times ------- 8 stacks like that: ---------- #0 __schedule #1 schedule #2 futex_wait_queue_me #3 futex_wait #4 do_futex #5 sys_futex #6 system_call_fastpath youngest=109s(pid=926), oldest=390s(pid=824) ........................ JS GC Helper 1 times JS Sour~ Thread 1 times gssproxy 5 times rs:main Q:Reg 1 times ------- 8 stacks like that: ---------- #0 __schedule #1 schedule #2 rcu_nocb_kthread #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=11), oldest=416s(pid=10) ........................ rcuob/0 1 times rcuob/1 1 times rcuob/2 1 times rcuob/3 1 times rcuos/0 1 times rcuos/1 1 times rcuos/2 1 times rcuos/3 1 times ------- 7 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 io_schedule_timeout #4 io_schedule #5 cv_wait_common #6 __cv_wait_io #7 txg_wait_synced_impl #8 txg_wait_synced #9 dmu_tx_wait #10 dmu_tx_assign #11 osd_trans_start #12 ofd_write_attr_set #13 ofd_commitrw_write #14 ofd_commitrw #15 tgt_brw_write #16 tgt_request_handle #17 ptlrpc_server_handle_request #18 ptlrpc_main #19 kthread #20 ret_from_fork_nospec_begin youngest=0s(pid=22980), oldest=0s(pid=15018) ........................ ll_ost_io00_003 1 times ll_ost_io00_007 1 times ll_ost_io00_009 1 times ll_ost_io00_010 1 times ll_ost_io00_014 1 times ll_ost_io00_015 1 times ll_ost_io00_019 1 times ------- 6 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 ep_poll #5 sys_epoll_wait #6 system_call_fastpath youngest=0s(pid=1), oldest=278s(pid=603) ........................ dbus-daemon 1 times gssproxy 1 times systemd 1 times systemd-journal 1 times systemd-logind 1 times systemd-udevd 1 times ------- 5 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 wait_woken #4 ptlrpcd #5 kthread #6 ret_from_fork_nospec_begin youngest=0s(pid=3307), oldest=321s(pid=3305) ........................ ptlrpcd_00_00 1 times ptlrpcd_00_01 1 times ptlrpcd_00_02 1 times ptlrpcd_00_03 1 times ptlrpcd_rcv 1 times ------- 4 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 qsd_upd_thread #4 kthread #5 ret_from_fork_nospec_begin youngest=24s(pid=9778), oldest=34s(pid=7255) ........................ lquota_wb_lustr 4 times ------- 4 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 ksocknal_connd #4 kthread #5 ret_from_fork_nospec_begin youngest=320s(pid=3296), oldest=334s(pid=3294) ........................ socknal_cd00 1 times socknal_cd01 1 times socknal_cd02 1 times socknal_cd03 1 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 ldlm_bl_thread_main #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=10991), oldest=2s(pid=7061) ........................ ldlm_bl_01 1 times ldlm_bl_02 1 times ldlm_bl_03 1 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 cv_timedwait_hires_common #5 cv_timedwait_idle_hires #6 mmp_thread #7 thread_generic_wrapper #8 kthread #9 ret_from_fork_nospec_begin youngest=0s(pid=9440), oldest=0s(pid=8083) ........................ mmp 3 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 cv_wait_common #3 __cv_wait_idle #4 txg_quiesce_thread #5 thread_generic_wrapper #6 kthread #7 ret_from_fork_nospec_begin youngest=0s(pid=8081), oldest=2s(pid=6777) ........................ txg_quiesce 3 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 ksocknal_scheduler #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=3301), oldest=0s(pid=3300) ........................ socknal_sd00_00 1 times socknal_sd00_01 1 times socknal_sd00_02 1 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 n_tty_read #4 tty_read #5 vfs_read #6 sys_read #7 system_call_fastpath youngest=383s(pid=854), oldest=384s(pid=857) ........................ agetty 3 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 poll_schedule_timeout #5 do_select #6 core_sys_select #7 sys_select #8 system_call_fastpath youngest=117s(pid=839), oldest=388s(pid=908) ........................ dhclient 1 times rsyslogd 1 times sshd 1 times ------- 3 stacks like that: ---------- #0 __schedule #1 schedule_preempt_disabled #2 cpu_startup_entry #3 start_secondary #4 start_cpu youngest=417s(pid=0), oldest=417s(pid=0) ........................ swapper/1 1 times swapper/2 1 times swapper/3 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 target_bulk_io #4 tgt_brw_write #5 tgt_request_handle #6 ptlrpc_server_handle_request #7 ptlrpc_main #8 kthread #9 ret_from_fork_nospec_begin youngest=0s(pid=15099), oldest=0s(pid=14955) ........................ ll_ost_io00_008 1 times ll_ost_io00_016 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 osp_precreate_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=10367), oldest=2s(pid=8668) ........................ osp-pre-0-0 1 times osp-pre-1-0 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 osp_sync_process_queues #3 llog_process_thread #4 llog_process_or_fork #5 llog_cat_process_cb #6 llog_process_thread #7 llog_process_or_fork #8 llog_cat_process_or_fork #9 llog_cat_process #10 osp_sync_thread #11 kthread #12 ret_from_fork_nospec_begin youngest=110s(pid=10366), oldest=110s(pid=8667) ........................ osp-syn-0-0 1 times osp-syn-1-0 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ofd_inconsistency_verification_main #3 kthread #4 ret_from_fork_nospec_begin youngest=324s(pid=9755), oldest=329s(pid=8457) ........................ inconsistency_v 2 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 mgs_ir_notify #3 kthread #4 ret_from_fork_nospec_begin youngest=324s(pid=7088), oldest=334s(pid=7064) ........................ mgs_lustre_noti 1 times mgs_params_noti 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 ptlrpc_hr_main #3 kthread #4 ret_from_fork_nospec_begin youngest=117s(pid=3293), oldest=117s(pid=3292) ........................ ptlrpc_hr00_000 1 times ptlrpc_hr00_001 1 times ------- 2 stacks like that: ---------- #0 __schedule #1 schedule #2 scsi_error_handler #3 kthread #4 ret_from_fork_nospec_begin youngest=407s(pid=306), oldest=407s(pid=303) ........................ scsi_eh_0 1 times scsi_eh_1 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 io_schedule_timeout #4 __cv_timedwait_common #5 __cv_timedwait_io #6 zio_wait #7 dsl_pool_sync #8 spa_sync #9 txg_sync_thread #10 thread_generic_wrapper #11 kthread #12 ret_from_fork_nospec_begin youngest=0s(pid=9439), oldest=0s(pid=9439) ........................ txg_sync 1 times ------- 1 stacks like that: ---------- #-1 ioread8 #0 vp_interrupt #1 __handle_irq_event_percpu #2 handle_irq_event_percpu #3 handle_irq_event #4 handle_fasteoi_irq #5 handle_irq #6 do_IRQ #7 ret_from_intr #-1 __blk_segment_map_sg #8 blk_rq_map_sg #9 virtio_queue_rq #10 __blk_mq_try_issue_directly #11 blk_mq_request_issue_directly #12 blk_mq_try_issue_list_directly #13 blk_mq_sched_insert_requests #14 blk_mq_flush_plug_list #15 blk_flush_plug_list #16 blk_finish_plug #17 vdev_disk_io_start #18 zio_vdev_io_start #19 zio_execute #20 vdev_queue_io_done #21 zio_vdev_io_done #22 zio_execute #23 taskq_thread #24 kthread #25 ret_from_fork_nospec_begin youngest=0s(pid=9388), oldest=0s(pid=9388) ........................ z_wr_int 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 taskq_wait #3 dmu_objset_sync #4 dsl_dataset_sync #5 dsl_pool_sync #6 spa_sync #7 txg_sync_thread #8 thread_generic_wrapper #9 kthread #10 ret_from_fork_nospec_begin youngest=0s(pid=8082), oldest=0s(pid=8082) ........................ txg_sync 1 times ------- 1 stacks like that: ---------- #-1 kvm_kick_cpu #0 __pv_queued_spin_unlock_slowpath #1 __raw_callee_save___pv_queued_spin_unlock_slowpath #2 .slowpath #3 do_raw_spin_unlock #4 _raw_spin_unlock_irqrestore #5 taskq_dispatch_ent #6 spa_taskq_dispatch_ent #7 zio_taskq_dispatch #8 zio_issue_async #9 zio_nowait #10 dbuf_sync_leaf #11 dbuf_sync_list #12 dbuf_sync_indirect #13 dbuf_sync_list #14 dbuf_sync_indirect #15 dbuf_sync_list #16 dnode_sync #17 sync_dnodes_task #18 taskq_thread #19 kthread #20 ret_from_fork_nospec_begin youngest=0s(pid=8051), oldest=0s(pid=8051) ........................ dp_sync_taskq 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 distribute_txn_commit_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=334s(pid=7290), oldest=334s(pid=7290) ........................ dist_txn-0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 mdt_restriper_main #3 kthread #4 ret_from_fork_nospec_begin youngest=334s(pid=7235), oldest=334s(pid=7235) ........................ mdt_restriper_0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 qmt_reba_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=334s(pid=7138), oldest=334s(pid=7138) ........................ qmt_reba_lustre 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 mgc_requeue_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=279s(pid=7070), oldest=279s(pid=7070) ........................ ll_cfg_requeue 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ping_evictor_main #3 kthread #4 ret_from_fork_nospec_begin youngest=0s(pid=7069), oldest=0s(pid=7069) ........................ ll_evictor 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 expired_lock_main #3 kthread #4 ret_from_fork_nospec_begin youngest=336s(pid=7062), oldest=336s(pid=7062) ........................ ldlm_elt 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 __cv_timedwait_common #4 __cv_timedwait_idle #5 txg_sync_thread #6 thread_generic_wrapper #7 kthread #8 ret_from_fork_nospec_begin youngest=2s(pid=6778), oldest=2s(pid=6778) ........................ txg_sync 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 __cv_timedwait_common #4 __cv_timedwait_idle #5 l2arc_feed_thread #6 thread_generic_wrapper #7 kthread #8 ret_from_fork_nospec_begin youngest=0s(pid=3507), oldest=0s(pid=3507) ........................ l2arc_feed 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 cv_timedwait_hires_common #5 cv_timedwait_idle_hires #6 dbuf_evict_thread #7 thread_generic_wrapper #8 kthread #9 ret_from_fork_nospec_begin youngest=0s(pid=3505), oldest=0s(pid=3505) ........................ dbuf_evict 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 cv_timedwait_hires_common #5 cv_timedwait_idle_hires #6 zthr_procedure #7 thread_generic_wrapper #8 kthread #9 ret_from_fork_nospec_begin youngest=0s(pid=3503), oldest=0s(pid=3503) ........................ arc_reap 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 lnet_peer_discovery #4 kthread #5 ret_from_fork_nospec_begin youngest=0s(pid=3304), oldest=0s(pid=3304) ........................ lnet_discovery 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 wait_for_completion_interruptible_timeout #4 lnet_monitor_thread #5 kthread #6 ret_from_fork_nospec_begin youngest=0s(pid=3303), oldest=0s(pid=3303) ........................ monitor_thread 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 lnet_acceptor #3 kthread #4 ret_from_fork_nospec_begin youngest=320s(pid=3302), oldest=320s(pid=3302) ........................ acceptor_001 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 ksocknal_reaper #4 kthread #5 ret_from_fork_nospec_begin youngest=0s(pid=3298), oldest=0s(pid=3298) ........................ socknal_reaper 1 times ------- 1 stacks like that: ---------- #-1 kvm_kick_cpu #0 __pv_queued_spin_unlock_slowpath #1 __raw_callee_save___pv_queued_spin_unlock_slowpath #2 .slowpath #3 do_raw_spin_unlock #4 _raw_spin_unlock_irqrestore #5 taskq_thread #6 kthread #7 ret_from_fork_nospec_begin youngest=0s(pid=2318), oldest=0s(pid=2318) ........................ z_wr_iss 1 times ------- 1 stacks like that: ---------- #-1 memcpy #0 abd_copy_from_buf_off_cb #1 abd_iterate_func #2 abd_copy_from_buf_off #3 arc_write_ready #4 zio_ready #5 zio_execute #6 taskq_thread #7 kthread #8 ret_from_fork_nospec_begin youngest=0s(pid=2290), oldest=0s(pid=2290) ........................ z_wr_iss 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_hrtimeout_range_clock #3 schedule_hrtimeout_range #4 poll_schedule_timeout #5 do_sys_poll #6 sys_ppoll #7 system_call_fastpath youngest=0s(pid=925), oldest=0s(pid=925) ........................ in:imjournal 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule youngest=390s(pid=785), oldest=390s(pid=785) ........................ nfsv4.1-svc 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kjournald2 #3 kthread #4 ret_from_fork_nospec_begin youngest=403s(pid=483), oldest=403s(pid=483) ........................ jbd2/nbd0-8 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 nbd_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=304s(pid=454), oldest=304s(pid=454) ........................ nbd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 sk_wait_data #4 tcp_recvmsg #5 inet_recvmsg #6 sock_recvmsg #7 kernel_recvmsg #8 sock_xmit #9 __nbd_ioctl #10 nbd_ioctl #11 blkdev_ioctl #12 block_ioctl #13 do_vfs_ioctl #14 sys_ioctl #15 system_call_fastpath youngest=304s(pid=452), oldest=304s(pid=452) ........................ nbd-client 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 khugepaged #4 kthread #5 ret_from_fork_nospec_begin youngest=9s(pid=55), oldest=9s(pid=55) ........................ khugepaged 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 ksm_scan_thread #3 kthread #4 ret_from_fork_nospec_begin youngest=411s(pid=54), oldest=411s(pid=54) ........................ ksmd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kswapd #3 kthread #4 ret_from_fork_nospec_begin youngest=411s(pid=53), oldest=411s(pid=53) ........................ kswapd0 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 schedule_timeout_interruptible #4 watchdog #5 kthread #6 ret_from_fork_nospec_begin youngest=55s(pid=37), oldest=55s(pid=37) ........................ khungtaskd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 devtmpfsd #3 kthread #4 ret_from_fork_nospec_begin youngest=345s(pid=35), oldest=345s(pid=35) ........................ kdevtmpfs 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 schedule_timeout #3 rcu_gp_kthread #4 kthread #5 ret_from_fork_nospec_begin youngest=0s(pid=9), oldest=0s(pid=9) ........................ rcu_sched 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 rcu_gp_kthread #3 kthread #4 ret_from_fork_nospec_begin youngest=416s(pid=8), oldest=416s(pid=8) ........................ rcu_bh 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule #2 kthreadd #3 ret_from_fork_nospec_begin youngest=0s(pid=2), oldest=0s(pid=2) ........................ kthreadd 1 times ------- 1 stacks like that: ---------- #0 __schedule #1 schedule_preempt_disabled #2 cpu_startup_entry #3 rest_init #4 start_kernel #5 x86_64_start_reservations #6 x86_64_start_kernel #7 start_cpu youngest=417s(pid=0), oldest=417s(pid=0) ........................ swapper/0 1 times ** Execution took 1.81s (real) 0.33s (CPU), Child processes: 1.53s