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2026-08-16 - 00:46
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack0slot2.osadl.org (updated Sat Aug 15, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
353849622950,13sleep60-21swapper/607:03:156
397507021010,1sleep73975071-21kthreadcore10:23:177
41775382990,1sleep74177539-21cut11:48:137
354396925419,30sleep70-21swapper/707:04:057
354409424722,7sleep50-21swapper/507:05:485
3544537994644,2cyclictest3657003-21kworker/u16:0+flush-8:008:28:245
3544537994643,2cyclictest3597051-21kworker/u16:3+flush-8:008:43:115
3544537994643,2cyclictest3597051-21kworker/u16:3+flush-8:008:43:115
3544544994542,2cyclictest3832799-21iostat09:28:117
3544544994241,0cyclictest0-21swapper/709:58:287
354454499420,40cyclictest648-21systemd-journal10:57:537
3544544994139,1cyclictest0-21swapper/711:37:567
3544537994139,2cyclictest3714476-21kworker/u16:4+flush-8:008:33:115
3544537994139,2cyclictest3597051-21kworker/u16:3+flush-8:010:08:245
3544537994138,3cyclictest4151278-21kworker/u16:3+flush-8:011:53:155
3544544994037,2cyclictest3959348-21kthreadcore10:18:167
3544537994038,2cyclictest3657003-21kworker/u16:0+flush-8:008:08:245
3544529993937,2cyclictest3644864-21kworker/u16:1+flush-8:008:28:204
3544544993837,0cyclictest0-21swapper/707:23:237
3544537993836,2cyclictest4089878-21kworker/u16:0+flush-8:011:48:095
3544537993735,2cyclictest3597051-21kworker/u16:3+events_unbound10:03:095
3544537993634,2cyclictest4065383-21kworker/u16:4+flush-8:011:03:255
3544529993634,2cyclictest3490308-21kworker/u16:5+events_unbound08:03:104
354411123625,8sleep40-21swapper/407:06:034
3544542993533,2cyclictest4027150-21kworker/u16:0+events_unbound10:58:086
3544542993533,2cyclictest3277196-21kworker/u16:4+flush-8:007:48:096
3544542993532,2cyclictest3714476-21kworker/u16:4+flush-8:008:33:096
3544544993430,3cyclictest125-21kswapd008:16:527
3544537993432,2cyclictest4089878-21kworker/u16:0+flush-8:011:13:235
3544537993432,2cyclictest4050185-21kworker/u16:3+flush-8:011:18:285
3544537993432,2cyclictest4027150-21kworker/u16:0+flush-8:011:02:535
3544537993431,2cyclictest66655-21kworker/u16:1+events_unbound12:32:555
3544537993431,2cyclictest66655-21kworker/u16:1+events_unbound12:32:555
3544529993432,2cyclictest3644864-21kworker/u16:1+events_unbound08:13:274
3544544993330,2cyclictest4172226-21ntpq11:43:217
3544537993331,2cyclictest3856061-21kworker/u16:4+events_unbound09:43:275
3544537993230,2cyclictest3277196-21kworker/u16:4+flush-8:007:13:095
3544537993229,2cyclictest3774575-21kworker/u16:0+flush-8:009:08:115
3544537993229,2cyclictest3490308-21kworker/u16:5+flush-8:007:33:115
3544544993130,0cyclictest0-21swapper/710:49:197
3544544993128,2cyclictest3818817-21ssh09:22:157
3544544993127,2cyclictest4061768-21sh10:58:197
3544542993129,2cyclictest4089878-21kworker/u16:0+flush-8:011:32:486
3544542993129,2cyclictest3760339-21kworker/u16:2+events_unbound09:08:246
3544542993129,2cyclictest3597051-21kworker/u16:3+events_unbound08:51:286
3544537993129,2cyclictest3760339-21kworker/u16:2+flush-8:010:38:205
3544544993028,1cyclictest3903730-21sh09:55:197
3544544993024,5cyclictest4077222-21latency_hist11:07:547
354454499300,28cyclictest4026942-21sh10:45:497
3544542993028,2cyclictest3684625-21kworker/u16:2+events_unbound08:25:286
3544537993028,2cyclictest4028527-21kworker/u16:1+events_unbound10:48:165
3544537993028,2cyclictest3844762-21kworker/u16:1+events_unbound09:58:125
3544537993028,2cyclictest3760339-21kworker/u16:2+flush-8:011:23:105
3544537993028,2cyclictest3597051-21kworker/u16:3+events_unbound09:33:275
3544537993027,2cyclictest3597051-21kworker/u16:3+flush-8:007:43:115
3544544992927,1cyclictest90832-21ssh12:30:037
3544542992927,2cyclictest3644864-21kworker/u16:1+events_unbound08:46:276
3544542992927,2cyclictest3644864-21kworker/u16:1+events_unbound08:46:276
3544542992927,2cyclictest3597051-21kworker/u16:3+events_unbound10:12:306
3544542992927,2cyclictest3597051-21kworker/u16:3+events_unbound09:05:076
3544542992927,2cyclictest3597051-21kworker/u16:3+events_unbound08:31:086
3544542992926,2cyclictest3597051-21kworker/u16:3+events_unbound07:42:566
3544537992926,2cyclictest3856061-21kworker/u16:4+flush-8:009:52:565
3544537992926,2cyclictest3760339-21kworker/u16:2+events_unbound09:28:285
3544529992927,2cyclictest4028527-21kworker/u16:1+flush-8:011:13:354
3544544992826,1cyclictest4136510-21ssh11:29:117
3544544992825,2cyclictest3937814-21ssh10:08:177
3544542992826,2cyclictest3760339-21kworker/u16:2+events_unbound08:55:076
3544542992826,2cyclictest3684625-21kworker/u16:2+events_unbound08:20:336
3544537992826,2cyclictest4175488-21kworker/u16:4+events_unbound12:07:485
3544537992826,2cyclictest4175488-21kworker/u16:4+events_unbound12:07:485
3544537992826,2cyclictest4151278-21kworker/u16:3+flush-8:012:08:165
3544537992826,2cyclictest3657003-21kworker/u16:0+flush-8:008:38:235
3544529992826,2cyclictest3714476-21kworker/u16:4+events_unbound08:44:084
3544529992826,2cyclictest3714476-21kworker/u16:4+events_unbound08:44:084
3544529992826,2cyclictest3684625-21kworker/u16:2+events_unbound08:19:444
3544529992826,2cyclictest3597051-21kworker/u16:3+events_unbound07:34:284
3544529992826,2cyclictest3482452-21kworker/u16:1+flush-8:007:23:204
3544544992726,0cyclictest0-21swapper/712:11:047
3544544992726,0cyclictest0-21swapper/708:28:097
3544544992723,3cyclictest3826140-21ssh09:23:197
354454499270,25cyclictest30955-21ssh12:07:447
354454499270,25cyclictest30955-21ssh12:07:447
3544542992725,2cyclictest4065383-21kworker/u16:4+events_unbound11:04:456
3544542992725,2cyclictest3760339-21kworker/u16:2+events_unbound10:15:556
3544542992725,2cyclictest3657003-21kworker/u16:0+events_unbound08:39:276
3544542992725,2cyclictest3597051-21kworker/u16:3+events_unbound10:37:066
3544542992725,2cyclictest3490308-21kworker/u16:5+events_unbound07:59:396
3544542992725,2cyclictest3490308-21kworker/u16:5+events_unbound07:42:526
3544542992725,2cyclictest3490308-21kworker/u16:5+events_unbound07:33:276
3544542992725,2cyclictest3277196-21kworker/u16:4+events_unbound07:10:536
3544537992725,2cyclictest3893310-21kworker/u16:0+events_unbound10:13:275
3544537992725,2cyclictest3760339-21kworker/u16:2+events_unbound08:58:125
3544529992725,2cyclictest79927-21kworker/u16:3+events_unbound12:30:544
3544529992725,2cyclictest3644864-21kworker/u16:1+events_unbound08:33:474
3544529992725,2cyclictest3625843-21kworker/u16:0+events_unbound07:45:324
1028982270,1chrt102896-21ssh12:34:457
1028982270,1chrt102896-21ssh12:34:457
35591212260,1chrt3559122-21if_err_p4p107:13:107
3544544992625,0cyclictest0-21swapper/710:38:097
3544544992625,0cyclictest0-21swapper/710:29:487
3544542992624,2cyclictest66655-21kworker/u16:1+events_unbound12:22:026
3544542992624,2cyclictest4151278-21kworker/u16:3+events_unbound11:46:386
3544542992624,2cyclictest3597051-21kworker/u16:3+events_unbound08:11:086
3544542992624,2cyclictest3490308-21kworker/u16:5+flush-8:007:23:106
3544542992624,2cyclictest3490308-21kworker/u16:5+events_unbound07:22:136
3544542992624,2cyclictest3482452-21kworker/u16:1+events_unbound07:31:166
3544542992623,2cyclictest3597051-21kworker/u16:3+events_unbound09:32:586
3544537992624,2cyclictest3954051-21kworker/u16:1+events_unbound10:28:125
3544537992624,2cyclictest3597051-21kworker/u16:3+events_unbound08:18:115
3544537992623,3cyclictest3844762-21kworker/u16:1+events_unbound09:38:245
3544529992624,2cyclictest3774575-21kworker/u16:0+events_unbound09:15:424
3544529992624,2cyclictest3490308-21kworker/u16:5+events_unbound08:02:274
3544529992623,2cyclictest3597051-21kworker/u16:3+flush-8:009:38:054
354454499250,24cyclictest65851-21sshd-session12:19:167
354454499250,23cyclictest3858700-21kthreadcore09:38:147
3544542992523,2cyclictest4027150-21kworker/u16:0+events_unbound10:46:426
3544542992523,2cyclictest2842604-21kworker/u16:0+events_unbound07:16:006
3544542992522,2cyclictest66655-21kworker/u16:1+events_unbound12:32:576
3544542992522,2cyclictest66655-21kworker/u16:1+events_unbound12:32:576
3544537992523,2cyclictest4089878-21kworker/u16:0+events_unbound12:00:035
3544537992523,2cyclictest19213-21kworker/u16:2+events_unbound12:26:035
3544537992522,3cyclictest4065383-21kworker/u16:4+flush-8:011:37:535
3544529992523,2cyclictest4175488-21kworker/u16:4+events_unbound11:53:344
3544529992523,2cyclictest4151278-21kworker/u16:3+events_unbound11:45:044
3544529992523,2cyclictest4065383-21kworker/u16:4+events_unbound11:32:264
3544529992523,2cyclictest3760339-21kworker/u16:2+flush-8:008:55:354
3544529992523,2cyclictest3644864-21kworker/u16:1+events_unbound09:01:124
3544529992522,2cyclictest4050185-21kworker/u16:3+events_unbound11:03:014
3544529992522,2cyclictest3760339-21kworker/u16:2+events_unbound09:34:314
3544544992423,0cyclictest0-21swapper/709:51:447
3544544992422,1cyclictest0-21swapper/707:18:197
354454499240,22cyclictest4002101-21ssh10:35:127
3544542992422,2cyclictest3977800-21kworker/u16:0+events_unbound10:25:426
3544542992422,2cyclictest3774575-21kworker/u16:0+events_unbound09:20:586
3544542992422,2cyclictest3597051-21kworker/u16:3+events_unbound10:07:026
3544542992422,2cyclictest3277196-21kworker/u16:4+events_unbound07:57:326
3544542992422,2cyclictest19213-21kworker/u16:2+flush-8:012:10:496
3544542992421,2cyclictest3856061-21kworker/u16:4+events_unbound09:53:076
3544537992422,2cyclictest4028527-21kworker/u16:1+flush-8:011:11:055
3544537992422,2cyclictest3774575-21kworker/u16:0+events_unbound09:23:235
3544537992422,2cyclictest3714476-21kworker/u16:4+flush-8:008:53:245
3544537992422,2cyclictest3657003-21kworker/u16:0+events_unbound08:17:005
3544537992422,2cyclictest3597051-21kworker/u16:3+flush-8:010:23:235
3544529992422,2cyclictest66655-21kworker/u16:1+events_unbound12:25:104
3544529992422,2cyclictest3490308-21kworker/u16:5+events_unbound07:14:204
3544529992422,2cyclictest3482452-21kworker/u16:1+events_unbound07:20:004
3544529992421,2cyclictest3714476-21kworker/u16:4+events_unbound08:47:554
3544544992322,0cyclictest0-21swapper/711:53:357
3544544992321,1cyclictest3782290-21diskmemload11:20:447
3544544992320,2cyclictest3793582-21ssh09:11:077
354454499230,21cyclictest79572-21sh12:26:557
3544542992321,2cyclictest3774575-21kworker/u16:0+events_unbound09:29:136
3544542992321,2cyclictest3760339-21kworker/u16:2+events_unbound08:59:236
3544537992321,2cyclictest3277196-21kworker/u16:4+flush-8:007:48:095
3544537992321,2cyclictest19213-21kworker/u16:2+flush-8:012:22:485
3544529992321,2cyclictest3684625-21kworker/u16:2+events_unbound08:25:404
38812092220,1chrt0-21swapper/609:48:066
3544542992220,2cyclictest4136554-21kworker/u16:1+events_unbound12:04:316
3544542992220,2cyclictest4136554-21kworker/u16:1+events_unbound12:04:316
3544542992220,2cyclictest4136554-21kworker/u16:1+events_unbound11:38:376
3544542992220,2cyclictest4065383-21kworker/u16:4+events_unbound11:37:506
3544542992220,2cyclictest3657003-21kworker/u16:0+events_unbound08:04:126
3544542992220,2cyclictest3597051-21kworker/u16:3+flush-8:009:13:466
3544537992220,2cyclictest4151278-21kworker/u16:3+events_unbound11:43:265
3544537992220,2cyclictest4089878-21kworker/u16:0+events_unbound11:28:295
3544537992220,2cyclictest4028527-21kworker/u16:1+events_unbound10:53:035
3544537992220,2cyclictest3597051-21kworker/u16:3+flush-8:009:16:045
3544537992219,2cyclictest3856061-21kworker/u16:4+events_unbound09:48:085
3544529992220,2cyclictest4050185-21kworker/u16:3+events_unbound11:21:214
3544529992220,2cyclictest3954051-21kworker/u16:1+events_unbound10:20:154
3544529992220,2cyclictest3597051-21kworker/u16:3+events_unbound09:51:374
3544529992220,2cyclictest3482452-21kworker/u16:1+events_unbound07:32:254
3544529992220,2cyclictest3277196-21kworker/u16:4+events_unbound08:11:204
3544544992120,0cyclictest0-21swapper/711:08:107
3544544992120,0cyclictest0-21swapper/710:04:557
354454499210,19cyclictest3653613-21cut07:58:177
3544542992119,2cyclictest4175488-21kworker/u16:4+flush-8:012:25:256
3544542992119,2cyclictest4050185-21kworker/u16:3+events_unbound10:54:296
3544542992119,2cyclictest3954051-21kworker/u16:1+events_unbound10:19:586
3544542992119,2cyclictest3760339-21kworker/u16:2+events_unbound09:26:466
3544529992119,2cyclictest3760339-21kworker/u16:2+events_unbound10:51:184
3544529992119,2cyclictest3490308-21kworker/u16:5+flush-8:007:51:254
3544529992119,2cyclictest19213-21kworker/u16:2+events_unbound12:16:184
3544529992118,2cyclictest3597051-21kworker/u16:3+events_unbound07:38:034
3544544992017,2cyclictest3618019-21kernelversion07:43:127
3544544992016,2cyclictest3695683-21hddtemp_smartct08:23:097
3544542992018,2cyclictest66655-21kworker/u16:1+flush-8:012:31:236
3544542992018,2cyclictest4175488-21kworker/u16:4+events_unbound11:57:426
3544542992018,2cyclictest3760339-21kworker/u16:2+events_unbound09:46:176
3544542992018,2cyclictest3644864-21kworker/u16:1+events_unbound08:16:276
3544542992017,2cyclictest4089878-21kworker/u16:0+flush-8:011:17:546
3544537992018,2cyclictest4175488-21kworker/u16:4+events_unbound12:13:155
3544537992018,2cyclictest4089878-21kworker/u16:0+flush-8:011:38:035
3544537992018,2cyclictest2842604-21kworker/u16:0+flush-8:007:18:095
3544529992018,2cyclictest54289-21kworker/u16:0+events_unbound12:37:384
3544529992018,2cyclictest54289-21kworker/u16:0+events_unbound12:37:384
3544529992018,2cyclictest4151278-21kworker/u16:3+events_unbound12:01:584
3544529992018,2cyclictest3760339-21kworker/u16:2+events_unbound09:27:004
3544529992018,2cyclictest3597051-21kworker/u16:3+events_unbound10:32:224
3544529992018,2cyclictest3277196-21kworker/u16:4+events_unbound07:10:104
3544529992017,2cyclictest3977800-21kworker/u16:0+events_unbound10:36:384
3544529992017,2cyclictest3644864-21kworker/u16:1+events_unbound08:37:574
354454499190,17cyclictest3626761-21cpuspeed_turbos07:48:077
3544542991917,2cyclictest54289-21kworker/u16:0+flush-8:012:15:416
3544542991917,2cyclictest3977800-21kworker/u16:0+events_unbound10:39:016
3544542991917,2cyclictest3905561-21kworker/u16:5+events_unbound09:58:456
3544537991917,2cyclictest3774575-21kworker/u16:0+flush-8:009:22:535
3544537991917,2cyclictest3625843-21kworker/u16:0+flush-8:007:53:085
3544537991917,2cyclictest3597051-21kworker/u16:3+flush-8:010:43:085
3544529991917,2cyclictest4027150-21kworker/u16:0+events_unbound11:00:214
3544529991917,2cyclictest3989016-21kworker/u16:4+events_unbound10:46:014
3544529991917,2cyclictest3760339-21kworker/u16:2+events_unbound11:09:144
3544529991917,2cyclictest3760339-21kworker/u16:2+events_unbound09:29:444
3544529991917,2cyclictest3714476-21kworker/u16:4+events_unbound09:02:584
3544529991917,2cyclictest3597051-21kworker/u16:3+events_unbound07:57:224
3544544991817,0cyclictest0-21swapper/712:16:327
3544544991816,1cyclictest0-21swapper/709:37:247
354454499180,16cyclictest3734546-21fschecks_count08:43:087
354454499180,16cyclictest3734546-21fschecks_count08:43:087
354454499180,16cyclictest0-21swapper/707:08:197
3544542991816,2cyclictest4151278-21kworker/u16:3+events_unbound11:50:426
3544542991816,2cyclictest4136554-21kworker/u16:1+events_unbound11:58:576
3544537991816,2cyclictest3954051-21kworker/u16:1+events_unbound10:18:145
3544537991816,2cyclictest19213-21kworker/u16:2+events_unbound12:30:365
3544529991816,2cyclictest3856061-21kworker/u16:4+flush-8:009:53:354
3544529991816,2cyclictest3760339-21kworker/u16:2+events_unbound10:22:594
3544544991716,0cyclictest0-21swapper/710:15:407
354454499170,15cyclictest3644750-21cut07:53:217
3544542991715,2cyclictest4050185-21kworker/u16:3+flush-8:011:17:096
3544537991715,2cyclictest3597051-21kworker/u16:3+events_unbound10:35:045
3544529991715,2cyclictest4136554-21kworker/u16:1+events_unbound11:39:054
3544529991715,2cyclictest4089878-21kworker/u16:0+events_unbound11:48:244
3544529991715,2cyclictest3597051-21kworker/u16:3+flush-8:009:08:494
3544529991715,2cyclictest3597051-21kworker/u16:3+events_unbound09:58:044
3544544991614,1cyclictest4148508-21ssh11:33:397
3544544991614,1cyclictest3805744-21ssh09:15:487
354454499160,14cyclictest3757702-21cut08:53:147
3544542991614,2cyclictest3856061-21kworker/u16:4+events_unbound09:41:206
3544537991613,3cyclictest3482452-21kworker/u16:1+flush-8:007:08:115
3544537991613,2cyclictest3277196-21kworker/u16:4+events_unbound08:03:085
3544529991614,2cyclictest19213-21kworker/u16:2+events_unbound12:05:224
3544529991614,2cyclictest19213-21kworker/u16:2+events_unbound12:05:224
3544544991512,2cyclictest0-21swapper/708:42:537
354454499150,14cyclictest0-21swapper/711:24:397
3544542991513,2cyclictest4089878-21kworker/u16:0+events_unbound11:24:456
3544542991513,2cyclictest4028527-21kworker/u16:1+events_unbound10:48:476
3544542991412,2cyclictest4028527-21kworker/u16:1+flush-8:011:12:226
3544542991412,2cyclictest3597051-21kworker/u16:3+flush-8:010:31:156
3544537991412,2cyclictest3277196-21kworker/u16:4+flush-8:007:58:345
3544529991412,2cyclictest3977800-21kworker/u16:0+events_unbound10:41:004
3544529991412,2cyclictest3597051-21kworker/u16:3+flush-8:010:04:194
354452999140,1cyclictest0-21swapper/411:36:444
354452999140,14cyclictest0-21swapper/410:55:164
354452999140,14cyclictest0-21swapper/409:47:104
3544544991311,1cyclictest0-21swapper/708:18:157
354454499130,3cyclictest3879486-21ssh09:45:517
3544537991310,2cyclictest3657003-21kworker/u16:0+events_unbound08:22:565
3544529991312,1cyclictest0-21swapper/412:12:514
3544529991311,2cyclictest3760339-21kworker/u16:2+events_unbound10:09:034
3544529991311,2cyclictest3760339-21kworker/u16:2+events_unbound09:18:184
354454499129,2cyclictest1302-21snmpd08:06:587
354454499129,2cyclictest1302-21snmpd07:39:077
354454499129,2cyclictest0-21swapper/711:13:107
354454499129,2cyclictest0-21swapper/709:03:207
354454499128,3cyclictest1302-21snmpd07:36:107
354454499127,4cyclictest3715259-21cat08:33:107
354454499126,5cyclictest3596944-21turbostat07:32:547
354454499124,7cyclictest5965-21gmain08:57:557
3544544991211,0cyclictest0-21swapper/708:48:247
3544544991210,1cyclictest3669781-21kthreadcore08:08:157
3544537991210,2cyclictest3597051-21kworker/u16:3+events_unbound07:38:245
3544529991211,1cyclictest0-21swapper/411:24:364
3544529991210,2cyclictest4175488-21kworker/u16:4+flush-8:012:19:264
354454499115,5cyclictest5965-21gmain11:58:277
354453799110,1cyclictest0-21swapper/507:25:025
3544529991110,1cyclictest0-21swapper/410:15:234
35445379997,2cyclictest3644864-21kworker/u16:1+events_unbound08:52:255
35445379997,2cyclictest3577139-21kworker/u16:2+flush-8:007:28:135
35445379964,2cyclictest3774575-21kworker/u16:0+flush-8:009:03:255
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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