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2026-07-04 - 03:28
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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
Characteristics of all highest latencies:
System rackeslot2.osadl.org (updated Fri Jul 03, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10052221150,1sleep10-21swapper/110:34:511
139112320,2sleep20-21swapper/209:34:562
41190202310,2sleep1341rcuc/108:25:021
604482300,2sleep30-21swapper/310:04:593
2168202300,2sleep0191rcu_preempt11:50:010
4025164992816,3cyclictest192573-21kthreadcore11:34:551
4025164992724,2cyclictest127488-21grep10:50:021
402516499270,25cyclictest4106590-21sed08:15:011
1361932260,2sleep30-21swapper/310:57:463
4025164992522,2cyclictest142544-21systemd11:00:021
4025163992522,2cyclictest179029-21cron11:25:000
4025163992514,6cyclictest0-21swapper/012:40:000
4025164992421,2cyclictest283880-21grep12:35:011
4025163992421,2cyclictest4161251-21cron09:00:010
323102240,2sleep30-21swapper/309:47:083
4025164992320,2cyclictest11148-21head09:34:491
4025163992320,2cyclictest0-21swapper/010:40:030
4025163992316,2cyclictest17750irq/132-ahci[0000:00:17.0]09:10:010
4025164992219,2cyclictest4136941-21grep08:40:021
4025164992219,2cyclictest209430-21unixbench-2d11:45:011
4025164992219,2cyclictest164126-21basename11:15:001
4025163992219,2cyclictest658-21avahi-daemon10:10:010
4025165992118,1cyclictest0-21swapper/211:20:012
4025165992118,1cyclictest0-21swapper/208:45:012
4025164992113,1cyclictest67250irq/126-eno108:27:121
4025164992111,2cyclictest61111-21latency_hist10:05:021
4025164992110,3cyclictest0-21swapper/109:50:481
402516399214,3cyclictest268874-21timerwakeupswit12:24:580
4025163992118,2cyclictest4058137-21systemd-run07:35:020
4025163992118,2cyclictest0-21swapper/009:50:010
4025163992117,3cyclictest4143289-21systemd-run08:45:010
4025163992117,3cyclictest0-21swapper/007:45:030
4025163992115,5cyclictest0-21swapper/012:05:020
4025163992110,6cyclictest0-21swapper/009:14:550
4025165992018,1cyclictest0-21swapper/212:10:032
4025165992018,1cyclictest0-21swapper/210:10:022
4025165992018,1cyclictest0-21swapper/208:25:002
4025165992018,1cyclictest0-21swapper/207:30:012
4025165992017,1cyclictest0-21swapper/211:30:012
4025164992017,2cyclictest0-21swapper/110:41:011
4025164992017,2cyclictest0-21swapper/110:41:011
4025164992013,4cyclictest0-21swapper/108:49:501
402516399204,9cyclictest204005-21aten2.4-expect11:44:470
402516399201,9cyclictest151693-21ssh11:09:470
4025163992017,2cyclictest4155059-21idleruntime-cro08:55:010
4025163992017,2cyclictest4144930-21sed08:49:520
4025163992017,2cyclictest231644-21grep12:00:010
4025163992010,5cyclictest0-21swapper/010:00:010
492398190,2rtkit-daemon1237-21mta-sts-daemon09:04:351
4025165991917,1cyclictest0-21swapper/212:15:022
4025165991916,1cyclictest0-21swapper/209:40:022
4025165991915,2cyclictest0-21swapper/209:49:482
4025164991916,2cyclictest216926-21apt-config11:50:011
4025164991915,3cyclictest698-21in:imuxsock11:20:021
4025164991911,1cyclictest46254-21kworker/1:0+events_freezable10:27:361
402516399198,6cyclictest67250irq/126-eno112:06:470
402516399198,6cyclictest0-21swapper/009:39:480
402516399195,9cyclictest46409-21runrttasks09:55:020
402516399194,6cyclictest217164-21kworker/0:1-events12:14:480
4025163991916,2cyclictest4106247-21systemctl08:15:000
4025163991916,2cyclictest134437-21latency_hist10:55:020
4025163991916,2cyclictest134437-21latency_hist10:55:020
4025163991916,2cyclictest1246-21mta-sts-daemon11:35:000
4025163991916,2cyclictest0-21swapper/012:35:000
4025163991916,2cyclictest0-21swapper/007:40:020
4025163991914,4cyclictest79676-21kthreadcore10:19:530
4025163991914,1cyclictest491rcuog/210:22:390
4025163991913,2cyclictest67250irq/126-eno109:35:000
4025163991912,6cyclictest30507-21kthreadcore09:44:560
3153791190,2phc2sys0-21swapper/309:59:523
4025165991816,1cyclictest0-21swapper/210:00:012
4025165991816,1cyclictest0-21swapper/208:15:012
4025165991815,1cyclictest0-21swapper/211:54:592
4025165991815,1cyclictest0-21swapper/211:10:012
4025165991815,1cyclictest0-21swapper/210:50:012
4025165991815,1cyclictest0-21swapper/210:25:012
4025165991815,1cyclictest0-21swapper/209:18:502
4025165991815,1cyclictest0-21swapper/207:50:012
4025165991814,2cyclictest0-21swapper/211:45:012
4025164991815,2cyclictest89992-21pmu-power10:25:011
4025164991815,2cyclictest4689-21ps09:29:541
4025164991815,2cyclictest4188399-21sed09:20:011
4025164991815,2cyclictest4180863-21grep09:15:011
4025164991815,2cyclictest4100714-21head08:10:011
4025164991815,2cyclictest4088412-21cat08:00:011
4025164991815,2cyclictest4045970-21unixbench_singl07:25:011
4025164991815,2cyclictest31168-21xargs09:45:011
402516399189,4cyclictest67250irq/126-eno111:29:540
402516399184,2cyclictest17750irq/132-ahci[0000:00:17.0]12:20:010
4025163991815,2cyclictest4188209-21cron09:20:010
4025163991815,2cyclictest4136977-21switchtime08:40:020
4025163991815,2cyclictest4125169-21unixbench-2d08:30:020
4025163991815,2cyclictest104868-21mailstats10:34:590
4025163991814,3cyclictest4107874-21cpuspeed_turbos08:19:470
4025163991814,3cyclictest4093969-21pmu-power08:04:580
402516399181,1cyclictest158030-21ssh11:11:490
492398170,2rtkit-daemon0-21swapper/108:02:541
4025165991714,1cyclictest0-21swapper/211:56:182
4025165991714,1cyclictest0-21swapper/210:44:552
4025165991714,1cyclictest0-21swapper/210:44:552
4025165991714,1cyclictest0-21swapper/208:10:002
4025165991714,1cyclictest0-21swapper/207:45:012
4025165991714,1cyclictest0-21swapper/207:35:012
4025164991714,2cyclictest4150125-21/usr/sbin/munin08:55:011
4025164991714,2cyclictest290340-21latency12:39:531
4025164991714,2cyclictest224578-21grep11:55:021
4025164991714,2cyclictest202075-21sh11:40:011
4025164991713,3cyclictest48010-21/usr/sbin/munin09:59:481
4025164991713,3cyclictest4065650-21if_eno107:44:521
4025164991713,3cyclictest257506-21kthreadcore12:19:531
4025164991712,3cyclictest73300-21kthreadcore10:14:571
402516399174,8cyclictest142753-21cat11:00:030
402516399173,8cyclictest59907-21cut10:04:560
4025163991714,2cyclictest4095924-21gltestperf08:09:510
4025163991714,2cyclictest4076274-21unixbench_multi07:50:020
4025163991714,2cyclictest4025295-21unin-run07:10:020
4025163991714,2cyclictest119853-21timerandwakeup10:45:010
4025163991714,2cyclictest119853-21timerandwakeup10:45:010
4025163991714,2cyclictest0-21swapper/011:19:510
4025163991714,2cyclictest0-21swapper/010:15:020
4025163991714,2cyclictest0-21swapper/007:20:010
4025163991713,3cyclictest4085128-21kthreadcore07:59:540
4025163991713,3cyclictest0-21swapper/011:40:010
3153791171,4phc2sys0-21swapper/308:39:483
3153791170,2phc2sys0-21swapper/309:15:503
4025165991614,1cyclictest0-21swapper/212:05:012
4025165991614,1cyclictest0-21swapper/210:30:022
4025165991613,1cyclictest0-21swapper/212:35:012
4025165991613,1cyclictest0-21swapper/212:29:532
4025165991613,1cyclictest0-21swapper/209:54:582
4025165991613,1cyclictest0-21swapper/208:50:012
4025165991613,1cyclictest0-21swapper/208:34:492
4025165991613,1cyclictest0-21swapper/208:30:012
4025164991614,1cyclictest4051831-21wc07:30:011
4025164991614,1cyclictest0-21swapper/107:35:011
4025164991613,2cyclictest68158-21timerandwakeup10:10:011
4025164991613,2cyclictest38698-21timerwakeupswit09:50:011
4025164991613,2cyclictest254041-21latency_hist12:15:011
4025164991613,2cyclictest242749-21kthreadcore12:09:541
4025164991613,2cyclictest0-21swapper/112:00:011
402516499160,8cyclictest4173617-21perf09:10:011
402516399164,8cyclictest272257-21ssh12:29:530
402516399162,9cyclictest4077124-21aten2.4-expect07:54:490
4025163991613,2cyclictest4191074-21if_enp1s0.809:24:500
4025163991613,2cyclictest4162240-21apt-get09:04:470
4025163991613,2cyclictest4051384-21needreboot07:29:560
4025163991613,2cyclictest4025757-21unixbench_singl07:10:030
4025163991613,2cyclictest3799-21aten_repower_fr09:29:470
4025163991613,2cyclictest0-21swapper/008:25:000
4025163991611,4cyclictest219675-21gltestperf11:54:510
3153791161,2phc2sys0-21swapper/311:54:463
3153791160,3phc2sys0-21swapper/312:33:183
3153791160,2phc2sys0-21swapper/311:29:493
4025165991513,1cyclictest0-21swapper/208:36:102
4025165991513,1cyclictest0-21swapper/208:19:542
4025165991512,1cyclictest0-21swapper/212:40:022
4025165991512,1cyclictest0-21swapper/212:24:472
4025165991512,1cyclictest0-21swapper/212:19:502
4025165991512,1cyclictest0-21swapper/210:59:592
4025165991512,1cyclictest0-21swapper/210:39:562
4025165991512,1cyclictest0-21swapper/210:18:152
4025165991512,1cyclictest0-21swapper/209:25:012
4025165991512,1cyclictest0-21swapper/209:05:022
4025165991512,1cyclictest0-21swapper/208:04:512
4025165991511,2cyclictest0-21swapper/211:48:202
4025165991511,2cyclictest0-21swapper/211:39:302
4025165991511,2cyclictest0-21swapper/209:14:492
4025164991512,2cyclictest4915-21sendmail-mta12:24:551
4025164991512,2cyclictest4107224-21kworker/u16:3-events_unbound10:16:121
4025164991512,2cyclictest4078056-21grep07:54:531
4025164991512,2cyclictest4032920-21kthreadcore07:15:021
4025164991512,2cyclictest273776-21kthreadcore12:29:541
4025164991512,2cyclictest23311-21pmu-power09:39:571
4025164991512,2cyclictest174542-21sed11:24:501
4025164991512,2cyclictest129362-21aten2.4-expect10:54:501
4025164991512,2cyclictest129362-21aten2.4-expect10:54:501
4025164991512,2cyclictest112350-21systemd-run10:40:021
4025164991511,3cyclictest660-21dbus-daemon07:40:011
4025164991511,3cyclictest156260-21kthreadcore11:09:551
4025164991511,3cyclictest147736-21kthreadcore11:04:561
4025164991511,3cyclictest1237-21mta-sts-daemon08:44:541
402516399158,6cyclictest0-21swapper/010:49:470
402516399154,6cyclictest0-21swapper/010:30:000
4025163991512,2cyclictest0-21swapper/011:04:500
4025163991511,3cyclictest4127020-21kthreadcore08:34:540
4025163991511,3cyclictest4041919-21kthreadcore07:24:540
3153791150,2phc2sys0-21swapper/310:36:593
3153791150,2phc2sys0-21swapper/309:34:393
4025165991412,1cyclictest0-21swapper/211:34:562
4025165991412,1cyclictest0-21swapper/210:50:552
4025165991412,1cyclictest0-21swapper/210:50:552
4025165991412,1cyclictest0-21swapper/210:30:062
4025165991412,1cyclictest0-21swapper/210:01:102
4025165991412,1cyclictest0-21swapper/209:43:352
4025165991412,1cyclictest0-21swapper/207:19:532
4025165991412,1cyclictest0-21swapper/207:14:552
4025165991411,1cyclictest0-21swapper/211:24:562
4025165991411,1cyclictest0-21swapper/211:14:572
4025165991411,1cyclictest0-21swapper/209:25:262
4025165991411,1cyclictest0-21swapper/208:54:522
4025165991411,1cyclictest0-21swapper/208:00:012
4025165991411,1cyclictest0-21swapper/207:54:542
402516499145,3cyclictest501rcuop/209:20:581
4025164991411,2cyclictest4161352-21timerandwakeup09:00:011
4025164991411,2cyclictest4110356-21kthreadcore08:19:541
4025164991411,2cyclictest4033603-21timerandwakeup07:15:031
4025164991411,2cyclictest233878-21aten2.4-expect12:04:481
4025164991411,2cyclictest0-21swapper/111:29:461
4025164991411,2cyclictest0-21swapper/108:35:011
4025164991411,2cyclictest0-21swapper/107:10:031
4025164991410,3cyclictest4072216-21kthreadcore07:49:551
3153791144,2phc2sys0-21swapper/309:54:233
3153791142,2phc2sys0-21swapper/307:49:553
3153791141,3phc2sys0-21swapper/307:09:483
3153791140,6phc2sys0-21swapper/307:34:483
3153791140,3phc2sys0-21swapper/311:07:503
3153791140,3phc2sys0-21swapper/309:29:193
3153791140,2phc2sys0-21swapper/311:34:263
3153791140,2phc2sys0-21swapper/311:11:503
3153791140,2phc2sys0-21swapper/310:15:113
3153791140,2phc2sys0-21swapper/308:16:193
3153791140,1phc2sys0-21swapper/307:27:113
402516599139,2cyclictest723702sleep210:14:562
4025165991310,2cyclictest0-21swapper/208:59:542
4025165991310,1cyclictest0-21swapper/211:04:022
4025165991310,1cyclictest0-21swapper/207:24:532
3153791130,4phc2sys0-21swapper/310:34:223
3153791130,2phc2sys0-21swapper/312:01:523
3153791130,2phc2sys0-21swapper/311:59:473
3153791130,2phc2sys0-21swapper/310:46:413
3153791130,2phc2sys0-21swapper/310:27:013
3153791130,2phc2sys0-21swapper/309:37:443
3153791130,1phc2sys0-21swapper/312:39:433
2624032130,2sleep30-21swapper/312:21:193
4025165991210,1cyclictest0-21swapper/209:09:542
4025165991210,1cyclictest0-21swapper/207:40:012
3153791121,2phc2sys0-21swapper/307:24:473
3153791120,5phc2sys0-21swapper/309:04:473
3153791120,4phc2sys0-21swapper/311:45:253
3153791120,2phc2sys0-21swapper/310:12:263
3153791120,2phc2sys0-21swapper/308:09:473
3153791111,2phc2sys0-21swapper/311:35:263
3153791111,2phc2sys0-21swapper/310:24:213
3153791110,2phc2sys0-21swapper/309:40:323
3153791110,2phc2sys0-21swapper/309:24:563
3153791110,2phc2sys0-21swapper/308:25:013
3153791110,1phc2sys0-21swapper/310:07:493
402516599108,1cyclictest0-21swapper/207:10:032
3153791102,3phc2sys0-21swapper/312:16:063
3153791101,2phc2sys0-21swapper/309:11:063
3153791101,2phc2sys0-21swapper/308:54:113
3153791101,2phc2sys0-21swapper/308:29:543
3153791100,3phc2sys0-21swapper/307:44:563
3153791100,2phc2sys0-21swapper/312:27:293
3153791100,2phc2sys0-21swapper/312:07:093
3153791100,2phc2sys0-21swapper/311:40:233
3153791100,2phc2sys0-21swapper/311:20:033
3153791100,2phc2sys0-21swapper/311:17:553
3153791100,2phc2sys0-21swapper/311:04:523
3153791100,2phc2sys0-21swapper/310:54:593
3153791100,2phc2sys0-21swapper/310:54:593
3153791100,2phc2sys0-21swapper/308:14:483
3153791100,2phc2sys0-21swapper/308:04:543
3153791100,2phc2sys0-21swapper/307:40:023
3153791100,1phc2sys0-21swapper/312:11:053
315379192,2phc2sys0-21swapper/307:59:483
315379192,2phc2sys0-21swapper/307:15:003
315379191,2phc2sys0-21swapper/308:45:053
315379190,2phc2sys0-21swapper/310:40:043
315379190,2phc2sys0-21swapper/310:40:043
315379190,2phc2sys0-21swapper/309:09:573
315379190,2phc2sys0-21swapper/308:55:033
315379190,2phc2sys0-21swapper/308:43:333
315379190,2phc2sys0-21swapper/308:34:563
315379190,2phc2sys0-21swapper/307:53:523
315379190,2phc2sys0-21swapper/307:15:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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