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2026-05-29 - 18:12
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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 May 29, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58144122090,2sleep30-21swapper/310:14:473
77355721740,2sleep30-21swapper/312:19:533
71499221480,2sleep30-21swapper/311:40:013
38610921190,2sleep0386098-21munin-node07:15:010
53990421120,1sleep00-21swapper/009:44:580
72107921040,2sleep30-21swapper/311:44:553
39750721030,1sleep1191rcu_preempt07:29:521
7999162750,1sleep0799914-21ssh12:35:530
385376992821,2cyclictest134050irq/121-eno111:10:001
385376992717,3cyclictest0-21swapper/110:20:001
385374992522,2cyclictest436210-21latency_hist08:15:000
385376992421,2cyclictest699414-21cron11:30:001
385374992421,2cyclictest496422-21apt09:15:000
385374992415,5cyclictest649283-21cpu10:59:480
385374992320,2cyclictest753984-21grep12:05:000
385374992315,7cyclictest0-21swapper/011:55:020
385374992214,7cyclictest0-21swapper/012:25:010
385379992119,1cyclictest0-21swapper/212:30:022
385379992118,1cyclictest0-21swapper/211:25:032
385379992118,1cyclictest0-21swapper/209:45:002
385376992118,2cyclictest1290-21dbus-daemon07:40:011
385376992118,2cyclictest1-21systemd08:15:001
385376992110,3cyclictest0-21swapper/111:59:471
38537499213,5cyclictest1996-21runrttasks09:21:160
385374992118,2cyclictest586887-21sed10:15:000
385374992118,2cyclictest533727-21awk09:40:000
385374992118,2cyclictest0-21swapper/009:10:010
385374992118,2cyclictest0-21swapper/009:10:010
385374992116,3cyclictest0-21swapper/008:05:010
385374992116,3cyclictest0-21swapper/007:40:010
385374992115,5cyclictest786569-21cstates12:29:490
385374992113,6cyclictest0-21swapper/010:40:020
385374992113,4cyclictest3851704-21mta-sts-daemon10:48:320
385374992113,4cyclictest3851704-21mta-sts-daemon10:48:320
385374992111,9cyclictest0-21swapper/011:39:460
38537499211,15cyclictest611456-21/usr/sbin/munin10:34:580
2649091210,2phc2sys0-21swapper/309:59:453
385379992018,1cyclictest0-21swapper/209:35:012
385376992017,2cyclictest754063-21latency_hist12:05:011
385376992017,2cyclictest3824565-21in:imuxsock10:55:491
385376992015,2cyclictest556499-21systemd09:55:001
385376992014,2cyclictest134050irq/121-eno111:34:571
38537499203,11cyclictest672171-21tune2fs11:14:480
385374992017,2cyclictest503955-21idleruntime-cro09:20:000
385374992013,6cyclictest3851704-21mta-sts-daemon10:04:360
2649091200,2phc2sys0-21swapper/310:09:473
385379991917,1cyclictest0-21swapper/207:20:002
385379991917,1cyclictest0-21swapper/207:15:022
385379991916,1cyclictest0-21swapper/210:30:012
385379991916,1cyclictest0-21swapper/210:15:012
385379991916,1cyclictest0-21swapper/209:40:002
38537699198,3cyclictest0-21swapper/109:37:491
385376991916,2cyclictest692322-21sh11:25:001
385376991916,2cyclictest662446-21grep11:05:021
385376991916,2cyclictest575209-21kthreadcore10:09:551
385374991916,2cyclictest3827634-1atopacctd08:16:490
385374991916,2cyclictest1326-21systemd-logind09:55:020
385374991916,2cyclictest0-21swapper/010:45:010
385374991916,2cyclictest0-21swapper/010:45:010
385374991916,2cyclictest0-21swapper/007:35:020
385374991915,3cyclictest574208-21cpuspeed_turbos10:09:490
385374991915,3cyclictest387006-21kthreadcore07:15:030
385374991915,2cyclictest0-21swapper/009:05:010
385374991914,4cyclictest419139-21kthreadcore07:59:530
385374991913,5cyclictest467989-21kthreadcore08:54:550
385374991910,4cyclictest0-21swapper/011:19:480
2649091191,1phc2sys0-21swapper/309:20:533
385379991816,1cyclictest0-21swapper/211:58:392
385379991815,1cyclictest0-21swapper/212:35:012
385379991815,1cyclictest0-21swapper/211:45:002
385379991815,1cyclictest0-21swapper/210:00:012
385379991815,1cyclictest0-21swapper/209:24:542
385379991815,1cyclictest0-21swapper/207:55:032
385379991814,2cyclictest0-21swapper/208:34:492
38537999181,12cyclictest0-21swapper/210:50:002
38537999181,12cyclictest0-21swapper/210:50:002
385376991815,2cyclictest763379-21/usr/sbin/munin12:14:541
385376991815,2cyclictest734285-21kthreadcore11:54:531
385376991815,2cyclictest728658-21kthreadcore11:49:551
385376991815,2cyclictest482541-21unixbench_singl09:05:011
385376991811,6cyclictest3851702-21mta-sts-daemon09:34:371
38537499187,7cyclictest587600-21ssh10:15:510
385374991815,2cyclictest416508-21turbostat07:55:000
385374991815,2cyclictest0-21swapper/010:00:020
385374991815,2cyclictest0-21swapper/007:50:000
385374991814,3cyclictest0-21swapper/009:30:010
385374991813,1cyclictest383433398rtkit-daemon09:46:570
38537499180,1cyclictest0-21swapper/011:58:390
2649191180,2ptp4l0-21swapper/311:24:593
2649091180,2phc2sys0-21swapper/307:39:463
38537999172,5cyclictest0-21swapper/211:30:002
385379991715,1cyclictest0-21swapper/212:40:022
385379991714,1cyclictest0-21swapper/212:15:012
385379991714,1cyclictest0-21swapper/211:54:542
385379991714,1cyclictest0-21swapper/208:54:502
385379991714,1cyclictest0-21swapper/208:15:002
385379991714,1cyclictest0-21swapper/207:45:012
385379991713,2cyclictest0-21swapper/208:04:502
385376991715,1cyclictest1996-21runrttasks08:04:451
385376991714,2cyclictest611800-21tr10:34:491
385376991714,2cyclictest513894-21/usr/sbin/munin09:29:481
385376991714,2cyclictest437278-21systemd-run08:20:001
385376991714,2cyclictest386086-21grep07:15:011
385376991714,2cyclictest385366-21cyclictest10:45:071
385376991714,2cyclictest385366-21cyclictest10:45:071
385376991714,2cyclictest1996-21runrttasks09:11:421
385376991714,2cyclictest1290-21dbus-daemon12:28:101
385376991714,2cyclictest0-21swapper/112:25:001
385376991714,2cyclictest0-21swapper/107:35:011
385376991713,3cyclictest806409-21processes12:39:561
385376991713,3cyclictest1326-21systemd-logind11:15:011
385376991712,3cyclictest772040-21irqrtprio12:19:531
38537499175,6cyclictest456369-21cut08:44:510
38537499171,7cyclictest641576-21apt-get10:54:480
385374991714,2cyclictest796549-21kthreadcore12:34:530
385374991714,2cyclictest768470-21pmu-power12:14:560
385374991714,2cyclictest702815-21irqrtprio11:34:510
385374991714,2cyclictest599439-21sed10:24:560
385374991714,2cyclictest526281-21cron09:34:590
385374991714,2cyclictest3827634-1atopacctd11:46:490
385374991714,2cyclictest0-21swapper/011:10:000
385374991713,3cyclictest470901-21cpuspeed_turbos08:59:470
385374991713,2cyclictest0-21swapper/008:35:020
385374991712,4cyclictest442457-21kthreadcore08:24:550
385374991710,3cyclictest761328-21timerwakeupswit12:09:590
385379991614,1cyclictest0-21swapper/210:20:022
385379991614,1cyclictest0-21swapper/210:05:012
385379991613,1cyclictest0-21swapper/211:19:482
385379991613,1cyclictest0-21swapper/209:15:532
385379991613,1cyclictest0-21swapper/208:40:002
385379991613,1cyclictest0-21swapper/207:35:022
385379991612,2cyclictest0-21swapper/210:59:332
385376991613,2cyclictest794342-21tail12:34:491
385376991613,2cyclictest624714-21latency_hist10:40:011
385376991613,2cyclictest571701-21ls10:05:001
385376991613,2cyclictest503852-21grep09:20:001
385376991613,2cyclictest469741-21switchtime08:55:011
385376991613,2cyclictest415886-21systemd-run07:50:011
385376991613,2cyclictest390328-21tr07:19:541
385376991612,2cyclictest0-21swapper/109:50:011
385376991611,3cyclictest3841370-21avahi-daemon09:25:021
38537499163,5cyclictest16-21ksoftirqd/007:29:540
38537499162,9cyclictest491rcuog/212:15:120
385374991613,2cyclictest3851703-21mta-sts-daemon11:29:430
385374991613,2cyclictest1290-21dbus-daemon08:40:010
385374991613,2cyclictest1290-21dbus-daemon08:30:010
385374991613,2cyclictest0-21swapper/008:50:020
385374991613,2cyclictest0-21swapper/007:25:010
385374991612,2cyclictest0-21swapper/010:29:470
383433398160,2rtkit-daemon0-21swapper/108:20:341
383433398160,2rtkit-daemon0-21swapper/107:53:021
2649091160,5phc2sys0-21swapper/311:51:363
2649091160,5phc2sys0-21swapper/310:55:573
2649091160,2phc2sys0-21swapper/309:27:553
2649091160,2phc2sys0-21swapper/309:20:013
38537999153,7cyclictest0-21swapper/212:10:002
38537999151,9cyclictest0-21swapper/208:30:002
385379991513,1cyclictest0-21swapper/211:10:012
385379991513,1cyclictest0-21swapper/210:35:022
385379991513,1cyclictest0-21swapper/209:10:012
385379991513,1cyclictest0-21swapper/209:10:012
385379991513,1cyclictest0-21swapper/209:05:022
385379991513,1cyclictest0-21swapper/207:40:002
385379991512,1cyclictest0-21swapper/212:19:492
385379991512,1cyclictest0-21swapper/211:38:322
385379991512,1cyclictest0-21swapper/211:14:462
385379991512,1cyclictest0-21swapper/209:55:002
385379991512,1cyclictest0-21swapper/209:15:012
385379991512,1cyclictest0-21swapper/208:49:532
385379991512,1cyclictest0-21swapper/208:45:002
385379991512,1cyclictest0-21swapper/208:20:002
385379991511,2cyclictest0-21swapper/207:49:482
385379991510,2cyclictest0-21swapper/212:24:462
385376991512,2cyclictest583901-21kthreadcore10:14:541
385376991512,2cyclictest3851698-21mta-sts-daemon11:36:051
385376991512,2cyclictest1996-21runrttasks10:22:331
385376991512,2cyclictest0-21swapper/107:45:021
385376991511,3cyclictest462144-21kthreadcore08:49:541
385376991511,3cyclictest385366-21cyclictest10:29:521
385376991511,3cyclictest3851703-21mta-sts-daemon11:19:011
385376991511,3cyclictest3851702-21mta-sts-daemon09:41:271
385376991511,3cyclictest3840937-21lldpd09:55:061
38537499158,1cyclictest134050irq/121-eno107:42:490
38537499157,4cyclictest0-21swapper/011:24:550
385374991512,2cyclictest0-21swapper/007:10:010
385374991510,1cyclictest134050irq/121-eno111:44:540
38537499150,14cyclictest429957-21dump-pmu-power08:10:000
2649091150,1phc2sys0-21swapper/307:40:503
38537999141,8cyclictest0-21swapper/212:04:452
38537999141,7cyclictest0-21swapper/210:44:472
38537999141,7cyclictest0-21swapper/210:44:472
385379991412,1cyclictest0-21swapper/207:25:012
385379991411,1cyclictest0-21swapper/211:49:552
385379991411,1cyclictest0-21swapper/211:05:012
385379991411,1cyclictest0-21swapper/209:46:002
385379991411,1cyclictest0-21swapper/208:24:552
38537999140,4cyclictest0-21swapper/210:24:482
385376991412,1cyclictest722351-21mailstats11:44:581
385376991411,2cyclictest760870-21needreboot12:09:541
385376991411,2cyclictest421229-21kthreadcore07:59:541
385376991411,2cyclictest386098-21munin-node08:40:551
385376991411,2cyclictest3827634-1atopacctd09:09:521
385376991411,2cyclictest3827634-1atopacctd09:09:521
385376991411,2cyclictest1326-21systemd-logind07:10:011
385376991411,2cyclictest0-21swapper/110:54:471
385376991410,3cyclictest474938-21kthreadcore08:59:551
385376991410,3cyclictest446543-21kthreadcore08:34:521
38537499148,5cyclictest0-21swapper/011:04:500
2649091140,2phc2sys0-21swapper/310:35:163
2649091140,2phc2sys0-21swapper/309:36:413
38537999139,2cyclictest0-21swapper/208:09:352
38537999131,7cyclictest0-21swapper/210:54:472
385379991311,1cyclictest0-21swapper/210:10:002
385379991311,1cyclictest0-21swapper/207:57:512
385379991311,1cyclictest0-21swapper/207:10:012
385376991310,2cyclictest3851702-21mta-sts-daemon10:42:331
385376991310,2cyclictest3851702-21mta-sts-daemon10:42:331
385376991310,2cyclictest3824567-21rs:main1
2649091132,2phc2sys0-21swapper/312:02:433
2649091131,3phc2sys0-21swapper/311:34:463
2649091130,7phc2sys0-21swapper/309:53:283
2649091130,3phc2sys0-21swapper/312:31:553
2649091130,3phc2sys0-21swapper/311:55:583
2649091130,1phc2sys0-21swapper/311:01:203
2649091130,1phc2sys0-21swapper/308:46:513
2649091130,1phc2sys0-21swapper/308:10:403
2649091130,1phc2sys0-21swapper/307:59:453
38537999129,2cyclictest0-21swapper/210:36:492
38537999129,2cyclictest0-21swapper/209:25:322
38537999129,1cyclictest0-21swapper/211:30:572
38537999129,1cyclictest0-21swapper/207:29:542
38537699129,2cyclictest3851703-21mta-sts-daemon07:20:081
385376991210,1cyclictest386098-21munin-node08:39:111
38537699120,3cyclictest3851705-21mta-sts-daemon08:28:411
2649091120,2phc2sys0-21swapper/310:44:163
2649091120,2phc2sys0-21swapper/310:44:163
2649091120,2phc2sys0-21swapper/310:15:043
2649091120,1phc2sys0-21swapper/309:45:063
2649091120,1phc2sys0-21swapper/307:20:543
38537999119,1cyclictest0-21swapper/208:59:452
2649091113,2phc2sys0-21swapper/311:16:413
2649091110,2phc2sys0-21swapper/312:05:483
2649091110,2phc2sys0-21swapper/311:12:043
2649091110,2phc2sys0-21swapper/310:32:523
2649091110,2phc2sys0-21swapper/307:09:453
2649091110,1phc2sys0-21swapper/308:43:463
2649091110,1phc2sys0-21swapper/307:52:363
2649091110,1phc2sys0-21swapper/307:31:443
2649091110,1phc2sys0-21swapper/307:13:293
2649091101,4phc2sys0-21swapper/310:24:483
2649091101,2phc2sys0-21swapper/312:39:273
2649091101,2phc2sys0-21swapper/309:32:293
2649091101,2phc2sys0-21swapper/309:12:443
2649091101,2phc2sys0-21swapper/309:04:563
2649091101,2phc2sys0-21swapper/307:19:553
2649091100,2phc2sys0-21swapper/312:25:123
2649091100,2phc2sys0-21swapper/312:23:393
2649091100,2phc2sys0-21swapper/312:11:413
2649091100,2phc2sys0-21swapper/311:06:433
2649091100,2phc2sys0-21swapper/310:50:323
2649091100,2phc2sys0-21swapper/308:59:533
2649091100,2phc2sys0-21swapper/308:25:583
2649091100,2phc2sys0-21swapper/308:05:023
2649091100,1phc2sys0-21swapper/308:34:163
264909191,2phc2sys0-21swapper/311:46:043
264909191,2phc2sys0-21swapper/308:00:493
264909190,2phc2sys0-21swapper/311:25:033
264909190,2phc2sys0-21swapper/310:46:113
264909190,2phc2sys0-21swapper/310:46:113
264909190,2phc2sys0-21swapper/310:25:433
264909190,2phc2sys0-21swapper/310:04:183
264909190,2phc2sys0-21swapper/309:40:093
264909190,2phc2sys0-21swapper/308:54:483
264909190,2phc2sys0-21swapper/308:24:563
264909190,2phc2sys0-21swapper/308:20:013
264909190,1phc2sys0-21swapper/309:09:563
264909190,1phc2sys0-21swapper/309:09:563
264909190,1phc2sys0-21swapper/308:39:433
264909190,1phc2sys0-21swapper/307:45:023
264909180,2phc2sys0-21swapper/307:25:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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