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2026-05-25 - 14:19
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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 the 792 highest latencies:
System rackeslot2.osadl.org (updated Mon May 25, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46317421080,1sleep0463175-21sh20:39:580
57791121010,2sleep30-21swapper/321:59:573
8115342740,1sleep0811532-21ssh00:31:050
6650132370,2sleep30-21swapper/322:55:003
350611993128,1cyclictest0-21swapper/222:40:012
6501622290,2sleep03827634-1atopacctd22:45:030
350594992618,3cyclictest16-21ksoftirqd/021:20:000
350594992520,1cyclictest0-21swapper/022:20:000
7221082240,1sleep20-21swapper/223:35:002
350598992421,2cyclictest637961-21/usr/sbin/munin22:40:011
350594992421,2cyclictest748433-21kthreadcore23:50:030
350611992320,1cyclictest0-21swapper/222:25:022
350598992320,2cyclictest783221-21turbostat.cron00:14:591
350598992320,2cyclictest692178-21kthreadcore23:15:001
350598992320,2cyclictest549394-21kthreadcore21:40:011
350598992320,2cyclictest549394-21kthreadcore21:40:001
350598992319,3cyclictest594737-21kthreadcore22:10:011
350598992317,2cyclictest134050irq/121-eno122:25:011
350594992320,2cyclictest1-21systemd21:15:030
350594992317,2cyclictest191rcu_preempt23:00:010
2649091231,2phc2sys0-21swapper/321:37:103
2649091231,2phc2sys0-21swapper/321:37:103
350611992220,1cyclictest0-21swapper/222:45:012
350598992219,2cyclictest822443-21latency_hist00:40:011
350598992218,2cyclictest0-21swapper/123:55:011
350594992219,2cyclictest693989-21kthreadcore23:15:020
350594992219,2cyclictest350590-21cyclictest23:25:010
350594992215,6cyclictest769222-21cut00:05:050
350594992212,5cyclictest0-21swapper/021:29:520
350611992119,1cyclictest0-21swapper/221:50:012
350611992118,1cyclictest0-21swapper/222:20:002
350598992118,2cyclictest541799-21ls21:35:031
350598992118,2cyclictest1290-21dbus-daemon23:20:001
350594992119,1cyclictest440131-21grep20:20:000
350594992118,2cyclictest581546-21kthreadcore22:00:020
350594992118,2cyclictest426658-21/usr/sbin/munin20:10:000
350594992118,2cyclictest3827634-1atopacctd22:40:030
35059499211,6cyclictest762505-21cut00:00:040
350594992115,5cyclictest431798-21systemd-run20:15:000
350594992114,6cyclictest0-21swapper/022:05:020
350594992113,7cyclictest0-21swapper/021:50:020
350594992112,2cyclictest191rcu_preempt23:45:010
350611992018,1cyclictest0-21swapper/223:20:012
350611992017,1cyclictest0-21swapper/223:15:022
350611992017,1cyclictest0-21swapper/221:54:572
350611992017,1cyclictest0-21swapper/221:45:012
350611992017,1cyclictest0-21swapper/219:40:002
350611992017,1cyclictest0-21swapper/219:10:012
350598992017,2cyclictest747976-21ssh23:50:021
350598992017,2cyclictest0-21swapper/119:45:031
350598992016,3cyclictest649463-21kthreadcore22:45:031
35059499208,5cyclictest0-21swapper/000:00:040
35059499208,4cyclictest3851702-21mta-sts-daemon19:10:120
350594992017,2cyclictest3851703-21mta-sts-daemon20:50:010
350594992016,3cyclictest676418-21fschecks_time23:04:550
350594992010,6cyclictest0-21swapper/022:10:010
350594992010,6cyclictest0-21swapper/021:39:540
350594992010,6cyclictest0-21swapper/021:39:540
350594992010,4cyclictest191rcu_preempt00:21:440
2649091201,4phc2sys0-21swapper/322:01:273
383433398190,3rtkit-daemon3851702-21mta-sts-daemon19:47:171
350611991916,1cyclictest0-21swapper/221:15:032
350611991916,1cyclictest0-21swapper/200:05:022
350598991916,2cyclictest768220-21sh00:05:011
350598991916,2cyclictest654708-21/usr/sbin/munin22:50:021
350598991916,2cyclictest573496-21kthreadcore21:55:021
350598991916,2cyclictest1290-21dbus-daemon22:00:011
350598991916,2cyclictest0-21swapper/123:35:021
350598991915,3cyclictest377047-21kthreadcore19:30:021
350598991915,2cyclictest0-21swapper/119:20:011
350598991914,4cyclictest0-21swapper/122:20:021
350598991913,5cyclictest463707-21dump-pmu-power20:40:001
35059499198,6cyclictest0-21swapper/000:19:530
35059499197,3cyclictest16-21ksoftirqd/020:25:020
350594991916,2cyclictest540453-21kthreadcore21:35:010
350594991916,2cyclictest352368-21sort19:10:020
350594991916,2cyclictest0-21swapper/023:40:010
350594991911,6cyclictest0-21swapper/023:35:010
350594991911,3cyclictest16-21ksoftirqd/023:20:010
350594991911,3cyclictest16-21ksoftirqd/021:45:010
350594991911,3cyclictest16-21ksoftirqd/020:30:020
350611991816,1cyclictest0-21swapper/222:30:032
350611991816,1cyclictest0-21swapper/200:35:012
350611991816,1cyclictest0-21swapper/200:15:002
350611991816,1cyclictest0-21swapper/200:10:022
350611991815,1cyclictest0-21swapper/220:35:002
350611991815,1cyclictest0-21swapper/200:24:532
350598991815,2cyclictest1290-21dbus-daemon20:50:011
350598991815,2cyclictest0-21swapper/120:20:011
350598991815,2cyclictest0-21swapper/120:10:021
350598991815,2cyclictest0-21swapper/100:20:001
350598991814,3cyclictest485041-21kthreadcore20:55:001
350598991814,2cyclictest626105-21systemd22:30:021
350598991813,3cyclictest0-21swapper/122:35:011
35059499188,6cyclictest814442-21kthreadcore00:35:020
35059499185,7cyclictest561735-21chrt21:49:280
35059499183,3cyclictest191rcu_preempt22:14:530
350594991815,2cyclictest408446-21systemd-run19:55:030
350594991815,2cyclictest408446-21systemd-run19:55:020
350594991815,2cyclictest350590-21cyclictest22:34:590
350594991815,2cyclictest0-21swapper/022:25:020
350594991813,1cyclictest191rcu_preempt00:25:490
350594991812,5cyclictest684621-21kthreadcore23:09:590
35059499181,12cyclictest0-21swapper/023:25:210
350594991810,3cyclictest16-21ksoftirqd/019:45:030
350594991810,3cyclictest16-21ksoftirqd/019:25:000
2649091180,4phc2sys0-21swapper/323:07:093
2649091180,2phc2sys0-21swapper/321:26:283
6289092170,2sleep20-21swapper/222:30:342
350611991715,1cyclictest0-21swapper/222:10:012
350611991715,1cyclictest0-21swapper/222:00:012
350611991715,1cyclictest0-21swapper/220:10:002
350611991714,1cyclictest0-21swapper/223:25:022
350611991714,1cyclictest0-21swapper/223:00:012
350611991714,1cyclictest0-21swapper/220:20:012
350611991714,1cyclictest0-21swapper/200:30:002
35059899179,3cyclictest0-21swapper/121:50:001
350598991714,2cyclictest686037-21kthreadcore23:10:011
350598991714,2cyclictest661471-21head22:54:571
350598991714,2cyclictest511562-21kthreadcore21:15:021
350598991714,2cyclictest466800-21kthreadcore20:40:021
350598991714,2cyclictest452441-21kthreadcore20:30:011
350598991714,2cyclictest447087-21kthreadcore20:25:011
350598991714,2cyclictest390751-21sh19:40:011
350598991714,2cyclictest382526-21kthreadcore19:35:011
350598991714,2cyclictest0-21swapper/119:10:011
350598991713,3cyclictest777708-21kthreadcore00:10:011
350598991713,3cyclictest416385-21kthreadcore20:00:021
35059499179,3cyclictest16-21ksoftirqd/021:00:000
35059499179,3cyclictest16-21ksoftirqd/020:05:000
35059499178,1cyclictest191rcu_preempt22:29:410
35059499176,6cyclictest374007-21/usr/sbin/munin19:30:040
35059499173,4cyclictest191rcu_preempt19:40:010
35059499171,6cyclictest782091-21runrttasks00:14:210
350594991714,2cyclictest486809-21kthreadcore20:55:020
350594991714,2cyclictest413331-21kernelversion19:59:590
350594991714,2cyclictest399618-21cpuspeed_turbos19:49:560
350594991714,2cyclictest371936-21kthreadcore19:25:020
350594991712,1cyclictest191rcu_preempt22:42:230
2649091170,2phc2sys0-21swapper/300:18:103
5581772160,1sleep1191rcu_preempt21:45:001
350611991614,1cyclictest0-21swapper/220:45:012
350611991614,1cyclictest0-21swapper/220:30:012
350611991614,1cyclictest0-21swapper/219:55:012
350611991614,1cyclictest0-21swapper/219:55:012
350611991614,1cyclictest0-21swapper/219:30:022
350611991614,1cyclictest0-21swapper/219:15:012
350611991613,1cyclictest0-21swapper/221:30:012
350611991613,1cyclictest0-21swapper/221:25:002
350611991613,1cyclictest0-21swapper/220:55:012
350611991613,1cyclictest0-21swapper/220:50:012
350611991613,1cyclictest0-21swapper/219:45:012
350611991612,2cyclictest0-21swapper/223:45:022
35061199160,11cyclictest0-21swapper/222:14:532
35059899168,3cyclictest0-21swapper/121:25:021
35059899167,4cyclictest0-21swapper/122:55:031
350598991613,2cyclictest806952-21munin-run00:30:011
350598991613,2cyclictest797591-21/usr/sbin/munin00:24:541
350598991613,2cyclictest713858-21aten2.4-expect23:29:551
350598991613,2cyclictest496702-21latency_hist21:05:011
350598991613,2cyclictest457196-21irqcore20:35:001
350598991613,2cyclictest407463-21kthreadcore19:55:011
350598991613,2cyclictest407463-21kthreadcore19:55:011
350598991613,2cyclictest358281-21kthreadcore19:15:001
350598991613,2cyclictest0-21swapper/121:00:021
350598991613,2cyclictest0-21swapper/119:25:001
350598991611,2cyclictest582725-21ssh22:00:061
350598991610,5cyclictest3851704-21mta-sts-daemon23:42:101
35059499168,3cyclictest16-21ksoftirqd/019:20:000
35059499166,6cyclictest0-21swapper/021:21:270
35059499164,2cyclictest171ktimers/020:43:230
350594991613,2cyclictest458034-21kthreadcore20:35:010
350594991611,4cyclictest496095-21kthreadcore21:05:010
350594991611,1cyclictest191rcu_preempt23:54:290
2649091161,3phc2sys0-21swapper/323:44:533
2649091160,3phc2sys0-21swapper/321:09:593
2649091160,3phc2sys0-21swapper/300:34:553
2649091160,2phc2sys0-21swapper/321:23:223
2649091160,1phc2sys0-21swapper/300:12:503
35061199155,6cyclictest0-21swapper/223:04:512
35061199151,9cyclictest0-21swapper/219:50:002
350611991513,1cyclictest0-21swapper/223:36:292
350611991513,1cyclictest0-21swapper/221:05:012
350611991513,1cyclictest0-21swapper/221:00:012
350611991513,1cyclictest0-21swapper/220:40:012
350611991513,1cyclictest0-21swapper/219:35:012
350611991513,1cyclictest0-21swapper/200:20:002
350611991513,1cyclictest0-21swapper/200:00:032
350611991512,2cyclictest0-21swapper/223:27:472
350611991512,1cyclictest0-21swapper/223:50:042
350611991512,1cyclictest0-21swapper/221:35:012
350611991512,1cyclictest0-21swapper/220:24:572
350611991512,1cyclictest0-21swapper/220:14:552
350611991512,1cyclictest0-21swapper/200:37:342
350598991512,2cyclictest732807-21kthreadcore23:40:021
350598991512,2cyclictest707046-21interrupts23:24:581
350598991512,2cyclictest512353-21kthreadcore21:15:031
350598991511,3cyclictest429853-21pmu-power20:10:041
35059499155,3cyclictest16-21ksoftirqd/022:50:030
350594991510,4cyclictest358388-21munin-node21:07:140
2649091152,4phc2sys0-21swapper/322:19:533
2649091150,2phc2sys0-21swapper/323:58:503
2649091150,2phc2sys0-21swapper/323:36:063
2649091150,1phc2sys0-21swapper/319:55:093
350611991412,1cyclictest0-21swapper/223:53:412
350611991412,1cyclictest0-21swapper/222:50:022
350611991412,1cyclictest0-21swapper/222:05:002
350611991412,1cyclictest0-21swapper/220:05:012
350611991412,1cyclictest0-21swapper/220:00:012
350611991412,1cyclictest0-21swapper/219:20:012
350611991411,1cyclictest0-21swapper/223:07:312
35059899149,2cyclictest3851704-21mta-sts-daemon00:33:011
35059899145,4cyclictest0-21swapper/121:05:581
350598991411,2cyclictest679524-21kthreadcore23:04:591
350598991411,2cyclictest419105-21cron20:04:591
350598991411,2cyclictest3851704-21mta-sts-daemon23:55:131
350598991410,3cyclictest600869-21irqcore22:14:591
2649091141,4phc2sys0-21swapper/321:54:533
2649091140,3phc2sys0-21swapper/323:04:513
2649091140,3phc2sys0-21swapper/322:14:533
2649091140,2phc2sys0-21swapper/300:05:293
2649091140,1phc2sys0-21swapper/319:49:163
350611991311,1cyclictest0-21swapper/221:18:432
350611991311,1cyclictest0-21swapper/219:25:012
350611991310,2cyclictest0-21swapper/222:50:032
350611991310,2cyclictest0-21swapper/221:37:182
350611991310,2cyclictest0-21swapper/221:37:182
350611991310,2cyclictest0-21swapper/221:05:032
350598991310,2cyclictest0-21swapper/121:30:021
2649091130,4phc2sys0-21swapper/322:36:073
2649091130,3phc2sys0-21swapper/322:26:413
2649091130,3phc2sys0-21swapper/319:29:543
2649091130,2phc2sys0-21swapper/323:52:423
2649091130,2phc2sys0-21swapper/323:23:203
2649091130,2phc2sys0-21swapper/322:20:593
2649091130,2phc2sys0-21swapper/321:50:003
2649091130,2phc2sys0-21swapper/320:49:233
2649091124,2phc2sys0-21swapper/322:42:153
2649091122,2phc2sys0-21swapper/320:25:083
2649091121,1phc2sys0-21swapper/321:10:563
2649091120,3phc2sys0-21swapper/319:44:523
2649091120,1phc2sys0-21swapper/320:51:093
2649091111,2phc2sys0-21swapper/320:19:563
2649091110,5phc2sys0-21swapper/319:14:533
2649091110,2phc2sys0-21swapper/323:30:023
2649091110,2phc2sys0-21swapper/322:59:093
2649091110,2phc2sys0-21swapper/321:16:463
2649091110,2phc2sys0-21swapper/319:53:413
2649091110,2phc2sys0-21swapper/319:53:413
2649091110,1phc2sys0-21swapper/320:58:463
2649091110,1phc2sys0-21swapper/319:18:393
2649091110,1phc2sys0-21swapper/319:09:213
2649091101,2phc2sys0-21swapper/323:18:153
2649091101,2phc2sys0-21swapper/322:10:013
2649091100,2phc2sys0-21swapper/323:45:373
2649091100,2phc2sys0-21swapper/323:30:153
2649091100,2phc2sys0-21swapper/322:34:533
2649091100,2phc2sys0-21swapper/321:42:593
2649091100,2phc2sys0-21swapper/320:09:523
2649091100,2phc2sys0-21swapper/320:01:473
2649091100,2phc2sys0-21swapper/300:30:023
2649091100,2phc2sys0-21swapper/300:20:503
2649091100,2phc2sys0-21swapper/300:01:363
2649091100,1phc2sys0-21swapper/320:32:253
264909191,2phc2sys0-21swapper/320:22:523
264909190,2phc2sys0-21swapper/323:10:143
264909190,2phc2sys0-21swapper/322:45:163
264909190,2phc2sys0-21swapper/321:32:373
264909190,2phc2sys0-21swapper/321:03:193
264909190,2phc2sys0-21swapper/320:40:033
264909190,2phc2sys0-21swapper/320:14:533
264909190,2phc2sys0-21swapper/319:35:303
264909190,2phc2sys0-21swapper/319:34:583
264909190,2phc2sys0-21swapper/319:20:033
264909190,2phc2sys0-21swapper/300:35:033
264909181,2phc2sys0-21swapper/320:35:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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