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2026-03-13 - 22:57
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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 100 highest latencies:
System rack3slot0.osadl.org (updated Fri Mar 13, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11390997720,0cyclictest0-21swapper/609:54:546
316552760,1sleep331592-21sshd11:03:043
324282730,0sleep233-21ksoftirqd/210:35:242
11356997360,12cyclictest691-21systemd-logind09:54:540
14742690,0sleep10-21swapper/112:19:031
1136999620,62cyclictest31085-21kworker/3:409:54:543
194542540,0sleep70-21swapper/710:45:467
10372520,0sleep40-21swapper/411:32:444
274392490,1sleep527440-21grep11:30:375
233632490,0sleep6631rcuc/610:55:146
233632490,0sleep6631rcuc/610:55:146
138422480,0sleep113840-21systemd-cgroups09:22:101
80352470,0sleep48032-21systemd-cgroups09:34:474
61152460,0sleep50-21swapper/509:10:375
303672460,1sleep530364-21systemd10:03:475
287742460,0sleep30-21swapper/309:34:063
266472460,0sleep20-21swapper/209:56:152
25832460,0sleep00-21swapper/010:15:110
246592460,0sleep60-21swapper/611:58:106
267642450,0sleep526763-21sshd09:13:415
181162450,0sleep20-21swapper/212:18:082
86212440,0sleep10-21swapper/109:42:131
5712440,0sleep50-21swapper/512:26:285
299252440,0sleep20-21swapper/211:08:322
263362440,0sleep30-21swapper/311:23:063
103262440,1sleep1492-21systemd-journal09:47:491
275492430,0sleep00-21swapper/010:22:080
132342430,0sleep70-21swapper/711:33:287
98442420,0sleep00-21swapper/011:03:410
22222420,0sleep30-21swapper/311:01:283
118282420,0sleep10-21swapper/111:40:501
118282420,0sleep10-21swapper/111:40:501
71922410,0sleep0111rcuc/012:23:020
64502410,0sleep40-21swapper/409:40:154
273762410,0sleep327357-21sshd10:12:503
1115824128,9sleep50-21swapper/507:06:105
1102724128,9sleep40-21swapper/407:04:254
147022400,1sleep614694-21bash11:18:456
143822400,0sleep00-21swapper/011:13:100
11378994040,0cyclictest24477-21kworker/4:409:54:544
1100824029,8sleep70-21swapper/707:04:127
1095024036,1sleep30-21swapper/307:03:203
874623926,9sleep00-21swapper/007:02:050
39522390,0sleep40-21swapper/412:30:194
235192390,0sleep7711rcuc/710:05:177
139792390,0sleep40-21swapper/412:01:204
1103823926,9sleep60-21swapper/607:04:356
1094923927,8sleep20-21swapper/207:03:192
1092623928,8sleep10-21swapper/107:03:021
90162380,0sleep41137899cyclictest11:11:064
273572380,2sleep21136699cyclictest10:53:342
273572380,2sleep21136699cyclictest10:53:342
142922380,0sleep40-21swapper/411:00:174
316882370,1sleep531689-21grepconf.sh09:34:165
289912360,0sleep60-21swapper/611:25:106
98322350,0sleep79802-21sshd12:28:467
111842280,0sleep70-21swapper/711:22:147
1137899256,3cyclictest49-21ksoftirqd/410:29:524
235242240,0sleep3784-21runrttasks12:16:413
1138799222,12cyclictest29549-21sshd11:32:315
1137899224,3cyclictest49-21ksoftirqd/412:03:144
11378992216,4cyclictest49-21ksoftirqd/411:12:274
11360992218,3cyclictest25-21ksoftirqd/110:10:261
11387992116,4cyclictest3412-21bash09:54:545
1137899219,2cyclictest49-21ksoftirqd/409:30:534
1137899218,2cyclictest49-21ksoftirqd/410:07:404
1137899217,1cyclictest49-21ksoftirqd/411:37:514
1137899217,1cyclictest49-21ksoftirqd/411:37:514
1137899215,2cyclictest49-21ksoftirqd/411:47:264
11378992117,3cyclictest49-21ksoftirqd/411:17:364
11356992117,4cyclictest26493-21kworker/u16:010:17:490
1137899209,1cyclictest131rcu_sched10:56:114
1137899209,1cyclictest131rcu_sched10:56:114
1137899207,2cyclictest131rcu_sched09:49:524
1137899206,3cyclictest49-21ksoftirqd/412:07:204
1137899206,3cyclictest49-21ksoftirqd/411:46:244
1137899205,3cyclictest49-21ksoftirqd/411:26:564
11378992016,1cyclictest49-21ksoftirqd/410:50:144
11396991917,1cyclictest19213-21kworker/u16:109:54:547
1138799198,1cyclictest686-21dbus-daemon11:58:135
11387991914,0cyclictest0-21swapper/510:25:395
1137899196,3cyclictest49-21ksoftirqd/409:58:184
1137899196,3cyclictest49-21ksoftirqd/409:58:184
1137899195,3cyclictest49-21ksoftirqd/412:32:194
1137899195,3cyclictest49-21ksoftirqd/412:32:194
1137899195,3cyclictest49-21ksoftirqd/410:04:404
1137899195,2cyclictest49-21ksoftirqd/410:38:284
1137899195,2cyclictest49-21ksoftirqd/410:34:104
11378991917,1cyclictest49-21ksoftirqd/411:56:134
11378991916,1cyclictest49-21ksoftirqd/411:29:264
11378991915,1cyclictest49-21ksoftirqd/410:17:144
11378991912,4cyclictest49-21ksoftirqd/409:46:454
1137899191,1cyclictest1152-21sshd09:08:034
1137899190,3cyclictest131rcu_sched10:43:594
11360991918,1cyclictest25-21ksoftirqd/109:27:011
11360991913,3cyclictest25-21ksoftirqd/111:03:141
1135699198,5cyclictest0-21swapper/012:11:570
1135699198,5cyclictest0-21swapper/011:58:050
1135699198,5cyclictest0-21swapper/011:53:290
1135699198,5cyclictest0-21swapper/011:07:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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