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2026-08-16 - 21:56
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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 Sun Aug 16, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2690421150,3sleep30-21swapper/311:15:193
11284021100,2sleep20-21swapper/212:15:142
1046742470,2sleep20-21swapper/212:10:012
3888822992616,5cyclictest0-21swapper/010:45:020
3888822992616,5cyclictest0-21swapper/009:35:020
3888825992418,2cyclictest69250irq/121-eno111:18:011
3888825992418,2cyclictest69250irq/121-eno111:05:031
3888822992421,2cyclictest1-21systemd09:10:010
3888825992317,2cyclictest69250irq/121-eno112:20:011
3888822992315,4cyclictest40554-21kthreadcore11:25:170
3888828992219,1cyclictest0-21swapper/212:30:222
3888828992219,1cyclictest0-21swapper/208:20:002
3888825992219,2cyclictest3984123-21munin-plugin-st08:30:001
3888825992219,2cyclictest268-21systemd-journal11:30:001
3888825992216,2cyclictest69250irq/121-eno111:36:511
3888822992214,5cyclictest2411-21fschecks_time11:00:150
3888822992213,5cyclictest60897-21aten_repower_vo11:40:100
3888825992118,2cyclictest3971892-21idleruntime-cro08:20:001
3888825992115,2cyclictest69250irq/121-eno110:15:151
3888825992115,2cyclictest0-21swapper/109:30:011
3888822992115,5cyclictest1-21systemd10:50:010
388882899206,6cyclictest41573982sleep210:32:302
3888828992017,1cyclictest0-21swapper/212:30:012
3888828992016,2cyclictest0-21swapper/207:10:022
3888828992013,3cyclictest0-21swapper/210:44:582
3888828992012,5cyclictest0-21swapper/211:19:562
3888825992017,2cyclictest664-21dbus-daemon12:40:031
3888825992014,2cyclictest69250irq/121-eno112:25:011
3888825992012,3cyclictest17826-21kthreadcore11:10:161
3888825992012,3cyclictest17826-21kthreadcore11:10:161
388882299205,2cyclictest191rcu_preempt12:40:010
388882299202,6cyclictest0-21swapper/011:14:560
388882299202,6cyclictest0-21swapper/011:14:560
3888822992013,6cyclictest0-21swapper/010:20:030
3888822992010,7cyclictest1309-21mta-sts-daemon10:54:540
3888828991916,1cyclictest0-21swapper/209:20:212
3888828991916,1cyclictest0-21swapper/207:30:012
3888825991916,2cyclictest664-21dbus-daemon12:00:021
3888825991916,2cyclictest4189724-21kthreadcore10:55:171
3888825991915,3cyclictest4154043-21kthreadcore10:30:171
3888825991915,3cyclictest0-21swapper/112:10:031
388882299197,2cyclictest191rcu_preempt10:20:200
388882299191,7cyclictest16-21ksoftirqd/011:35:180
3888822991916,2cyclictest3947749-21aten_repower_fr08:00:020
3888822991912,6cyclictest0-21swapper/011:25:030
3888822991911,3cyclictest16-21ksoftirqd/007:15:020
1157598190,3rtkit-daemon1300-21mta-sts-daemon08:13:170
41876152180,2sleep20-21swapper/210:53:572
388882899185,1cyclictest0-21swapper/208:27:022
388882899184,2cyclictest0-21swapper/207:59:532
388882899182,7cyclictest744232sleep211:47:532
3888828991816,1cyclictest0-21swapper/209:35:032
3888828991815,1cyclictest0-21swapper/212:15:022
3888828991815,1cyclictest0-21swapper/210:25:212
3888828991815,1cyclictest0-21swapper/210:05:022
388882599189,4cyclictest0-21swapper/110:00:181
3888825991815,2cyclictest3941336-21apt-config07:55:011
3888825991815,2cyclictest3941336-21apt-config07:55:011
3888825991811,2cyclictest0-21swapper/109:10:011
3888822991816,1cyclictest30979-21idleruntime-cro11:20:010
3888822991815,2cyclictest53051-21cron11:35:000
3888822991815,2cyclictest4040212-21latency_hist09:15:020
3888822991812,5cyclictest89879-21aten_repower_cu11:59:570
3888822991812,5cyclictest1307-21mta-sts-daemon12:17:280
3888822991811,5cyclictest0-21swapper/010:35:020
3888822991811,5cyclictest0-21swapper/009:25:010
3240591181,4phc2sys0-21swapper/310:39:563
3240591180,3phc2sys0-21swapper/310:30:023
3240591180,2phc2sys0-21swapper/311:24:103
388882899175,1cyclictest0-21swapper/208:01:052
388882899174,1cyclictest0-21swapper/209:00:522
388882899172,12cyclictest4001933-21chrt08:41:432
3888828991715,1cyclictest0-21swapper/209:40:022
3888828991714,1cyclictest0-21swapper/211:25:022
3888828991714,1cyclictest0-21swapper/210:20:202
3888828991714,1cyclictest0-21swapper/210:17:112
3888828991714,1cyclictest0-21swapper/209:55:022
3888828991714,1cyclictest0-21swapper/209:30:012
3888828991714,1cyclictest0-21swapper/208:49:562
3888825991714,2cyclictest4091606-21idleruntime-cro09:50:011
3888825991714,2cyclictest4007113-21kthreadcore08:45:191
3888825991714,2cyclictest1309-21mta-sts-daemon09:10:181
3888825991714,2cyclictest0-21swapper/111:25:031
3888825991714,2cyclictest0-21swapper/107:15:021
3888825991713,3cyclictest3962773-21kthreadcore08:10:181
3888825991713,2cyclictest0-21swapper/110:25:021
3888825991710,3cyclictest0-21swapper/107:10:031
388882299179,3cyclictest16-21ksoftirqd/008:45:010
388882299177,5cyclictest0-21swapper/010:10:180
388882299177,2cyclictest191rcu_preempt07:49:550
388882299175,2cyclictest191rcu_preempt08:15:200
388882299172,7cyclictest16-21ksoftirqd/008:30:000
388882299171,6cyclictest4104469-21phc2sys-jitter09:55:210
3888822991714,2cyclictest76230-21tr11:50:150
3888822991714,2cyclictest664-21dbus-daemon07:20:010
3888822991714,2cyclictest4099089-21apt-key09:55:020
3888822991714,2cyclictest3941423-21apt-key07:55:010
3888822991714,2cyclictest3941423-21apt-key07:55:010
3888822991714,2cyclictest268-21systemd-journal08:40:000
3888822991714,2cyclictest132131-21mailstats12:25:210
3888822991714,2cyclictest1309-21mta-sts-daemon12:12:520
3888822991713,1cyclictest601rcuop/307:23:390
3888822991713,1cyclictest191rcu_preempt09:00:020
3888822991712,1cyclictest191rcu_preempt08:47:010
3888822991711,2cyclictest4008416-21kworker/0:2+rcu_gp09:05:010
3888822991710,6cyclictest13662-21kthreadcore11:05:190
3888822991710,4cyclictest21322-21kworker/u16:2-events_unbound11:49:310
388882299170,2cyclictest191rcu_preempt07:45:010
3240591170,2phc2sys0-21swapper/309:59:243
39529052160,3sleep03952999-21grep08:00:230
388882899162,8cyclictest0-21swapper/208:14:572
388882899162,11cyclictest59437-21chrt11:37:142
388882899161,8cyclictest0-21swapper/211:09:542
3888828991614,1cyclictest0-21swapper/209:40:202
3888828991614,1cyclictest0-21swapper/209:15:132
3888828991613,1cyclictest0-21swapper/212:05:022
3888828991613,1cyclictest0-21swapper/211:55:012
3888828991613,1cyclictest0-21swapper/209:58:482
3888828991613,1cyclictest0-21swapper/207:55:022
3888828991613,1cyclictest0-21swapper/207:55:022
3888828991613,1cyclictest0-21swapper/207:40:012
3888828991613,1cyclictest0-21swapper/207:15:012
388882599168,4cyclictest4169655-21kthreadcore10:40:191
388882599166,3cyclictest0-21swapper/110:54:551
3888825991613,2cyclictest672-21polkitd08:25:011
3888825991613,2cyclictest4180771-21latency_hist10:50:011
3888825991613,2cyclictest4158906-21tr10:35:131
3888825991613,2cyclictest4074370-21latency09:35:181
3888825991613,2cyclictest0-21swapper/112:30:011
3888825991613,2cyclictest0-21swapper/111:35:011
3888825991612,2cyclictest82776-21latency_hist11:55:021
3888825991612,2cyclictest0-21swapper/112:30:181
3888825991612,2cyclictest0-21swapper/109:25:011
3888825991610,5cyclictest11561-21sendmail-mta07:31:361
3888825991610,2cyclictest69250irq/121-eno109:45:011
388882299164,6cyclictest4068814-21kworker/0:2+rcu_gp09:50:020
388882299164,2cyclictest191rcu_preempt10:35:170
388882299164,2cyclictest191rcu_preempt07:25:070
3888822991613,2cyclictest97297-21latency_hist12:05:020
3888822991613,2cyclictest4081966-21cut09:40:200
3888822991613,2cyclictest3957304-21kthreadcore08:05:180
3888822991613,2cyclictest3918140-21sed07:35:170
3888822991612,3cyclictest70-21kcompactd009:38:090
3888822991611,1cyclictest191rcu_preempt10:03:400
3888822991610,1cyclictest501rcuop/209:19:100
388882299160,6cyclictest4115014-21perl10:05:160
388882299160,3cyclictest4146353-21cut10:25:180
388882299160,1cyclictest191rcu_preempt07:35:010
3240591162,2phc2sys0-21swapper/312:03:373
3240591160,2phc2sys0-21swapper/309:43:483
3240591160,1phc2sys0-21swapper/311:34:323
1157598160,3rtkit-daemon1307-21mta-sts-daemon08:23:560
388882899159,1cyclictest0-21swapper/209:49:562
388882899157,2cyclictest0-21swapper/211:11:222
388882899157,2cyclictest0-21swapper/211:11:222
3888828991513,1cyclictest0-21swapper/210:07:502
3888828991513,1cyclictest0-21swapper/208:35:022
3888828991512,1cyclictest0-21swapper/211:34:542
3888828991512,1cyclictest0-21swapper/211:00:192
3888828991512,1cyclictest0-21swapper/210:10:122
3888828991512,1cyclictest0-21swapper/209:10:152
3888828991512,1cyclictest0-21swapper/208:20:212
3888828991512,1cyclictest0-21swapper/207:40:182
388882899151,11cyclictest4173686-21chrt10:45:042
3888825991513,1cyclictest1300-21mta-sts-daemon09:18:131
3888825991512,2cyclictest759-1atopacctd08:55:021
3888825991512,2cyclictest63233-21kthreadcore11:40:151
3888825991512,2cyclictest4115404-21irqcore10:05:181
3888825991512,2cyclictest4015989-21kthreadcore08:55:171
3888825991512,2cyclictest3932119-21kthreadcore07:45:191
3888825991512,2cyclictest3920667-21kthreadcore07:35:181
3888825991512,2cyclictest3910415-21apt-config07:30:011
3888825991512,2cyclictest1306-21mta-sts-daemon10:26:121
3888825991512,2cyclictest0-21swapper/111:50:011
3888825991511,3cyclictest95314-21sendmail_mailqu12:00:231
3888825991511,3cyclictest3925753-21kthreadcore07:40:181
3888825991510,4cyclictest3788157-21GUsbEventThread07:16:101
388882299159,5cyclictest1309-21mta-sts-daemon08:30:140
388882299159,2cyclictest4156937-21kworker/u16:1+xprtiod12:06:330
3888822991512,2cyclictest139763-21unixbench-2d12:30:230
3888822991512,2cyclictest11574-21rtkit-daemon10:55:040
3240591153,2phc2sys0-21swapper/309:15:083
3240591151,3phc2sys0-21swapper/309:09:553
3240591151,2phc2sys0-21swapper/307:39:553
3240591150,2phc2sys0-21swapper/311:38:293
3240591150,2phc2sys0-21swapper/310:50:113
3240591150,2phc2sys0-21swapper/310:20:013
3240591150,2phc2sys0-21swapper/309:34:403
3240591150,2phc2sys0-21swapper/307:44:573
388882899145,2cyclictest0-21swapper/208:59:282
388882899145,2cyclictest0-21swapper/208:07:262
388882899145,1cyclictest0-21swapper/207:17:572
3888828991412,1cyclictest0-21swapper/210:35:192
3888828991411,1cyclictest0-21swapper/211:25:192
3888828991411,1cyclictest0-21swapper/210:55:142
3888828991411,1cyclictest0-21swapper/209:10:012
3888828991411,1cyclictest0-21swapper/207:30:192
3888828991411,1cyclictest0-21swapper/207:20:212
388882599148,2cyclictest69250irq/121-eno110:12:171
388882599146,4cyclictest0-21swapper/109:34:541
3888825991411,2cyclictest9325-21cpu11:05:131
3888825991411,2cyclictest4021532-21gltestperf09:00:151
3888825991411,2cyclictest3993176-21kthreadcore08:35:181
3888825991411,2cyclictest3990458-21systemd-run08:35:021
3888825991411,2cyclictest3949178-21kthreadcore08:00:171
3888825991411,2cyclictest1306-21mta-sts-daemon09:55:181
3888825991411,2cyclictest1300-21mta-sts-daemon07:20:221
3888825991411,2cyclictest110716-21sh12:11:201
388882599140,11cyclictest0-21swapper/109:54:161
388882299149,4cyclictest3888820-21cyclictest09:25:130
388882299149,1cyclictest191rcu_preempt08:50:030
388882299142,3cyclictest124595-21ps12:20:210
3240591141,4phc2sys0-21swapper/308:09:563
3240591140,3phc2sys0-21swapper/311:14:563
3240591140,3phc2sys0-21swapper/311:14:563
3240591140,3phc2sys0-21swapper/308:04:553
3240591140,2phc2sys0-21swapper/308:50:193
388882899136,1cyclictest0-21swapper/212:38:552
388882899135,2cyclictest0-21swapper/211:42:562
388882899133,8cyclictest4014402-21taskset08:54:582
3888828991311,1cyclictest0-21swapper/212:22:222
3888828991311,1cyclictest0-21swapper/211:55:182
388882599138,4cyclictest4002194-21acpi08:44:551
388882599137,1cyclictest1157598rtkit-daemon08:05:151
3888825991310,2cyclictest1306-21mta-sts-daemon07:55:231
3240591131,5phc2sys0-21swapper/308:39:563
3240591131,2phc2sys0-21swapper/311:04:563
3240591130,6phc2sys0-21swapper/311:59:563
3240591130,5phc2sys0-21swapper/308:29:013
3240591130,5phc2sys0-21swapper/307:09:563
3240591130,4phc2sys0-21swapper/309:25:323
3240591130,2phc2sys0-21swapper/312:12:593
3240591130,2phc2sys0-21swapper/311:46:543
3240591130,2phc2sys0-21swapper/310:59:173
3240591130,2phc2sys0-21swapper/310:48:313
3240591130,2phc2sys0-21swapper/310:12:083
3240591130,2phc2sys0-21swapper/308:19:343
388882899128,2cyclictest0-21swapper/207:45:132
3888828991210,1cyclictest0-21swapper/208:35:182
388882299123,2cyclictest191rcu_preempt07:10:010
3240591122,2phc2sys0-21swapper/311:50:193
3240591121,5phc2sys0-21swapper/307:14:573
3240591121,2phc2sys0-21swapper/312:32:443
3240591120,3phc2sys0-21swapper/309:54:133
3240591120,2phc2sys0-21swapper/312:07:263
3240591120,2phc2sys0-21swapper/310:03:303
3240591120,1phc2sys0-21swapper/312:38:013
3240591120,1phc2sys0-21swapper/311:27:063
3240591114,1phc2sys0-21swapper/308:45:583
3240591112,2phc2sys0-21swapper/309:10:473
3240591111,6phc2sys0-21swapper/307:34:563
3240591111,3phc2sys0-21swapper/311:09:543
3240591111,3phc2sys0-21swapper/310:34:563
3240591110,2phc2sys0-21swapper/307:59:253
3240591110,1phc2sys0-21swapper/311:44:563
3240591110,1phc2sys0-21swapper/308:40:053
3240591110,1phc2sys0-21swapper/308:14:373
3240591110,1phc2sys0-21swapper/307:52:293
3240591110,1phc2sys0-21swapper/307:52:293
3240591110,1phc2sys0-21swapper/307:23:003
3240591102,2phc2sys0-21swapper/309:49:433
3240591101,3phc2sys0-21swapper/307:19:563
3240591101,2phc2sys0-21swapper/307:25:203
3240591100,2phc2sys0-21swapper/312:15:203
3240591100,2phc2sys0-21swapper/310:42:503
3240591100,2phc2sys0-21swapper/310:24:023
3240591100,2phc2sys0-21swapper/310:09:553
3240591100,2phc2sys0-21swapper/309:05:023
3240591100,2phc2sys0-21swapper/308:20:183
3240591100,1phc2sys0-21swapper/309:35:303
4052984290,2sleep30-21swapper/309:20:243
324059191,2phc2sys0-21swapper/312:20:093
324059190,2phc2sys0-21swapper/308:31:483
324059190,2phc2sys0-21swapper/307:45:203
324059190,1phc2sys0-21swapper/312:25:593
324059181,3phc2sys0-21swapper/308:55:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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