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2026-08-21 - 22:34
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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 Aug 21, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
67012910,2sleep6697599cyclictest09:25:366
139002770,0sleep20-21swapper/210:37:562
312142750,2sleep7698299cyclictest11:25:437
192592730,0sleep20-21swapper/209:56:482
192592730,0sleep20-21swapper/209:56:482
326762520,0sleep332671-21sshd12:14:333
138852510,1sleep513871-21rm11:28:215
7772500,7sleep09-21ksoftirqd/012:00:120
273752500,0sleep70-21swapper/711:56:107
653724827,8sleep50-21swapper/507:02:345
293612480,0sleep60-21swapper/611:00:276
56152470,0sleep20-21swapper/211:44:122
243072470,0sleep40-21swapper/412:06:494
234732470,0sleep70-21swapper/712:19:257
211452470,0sleep20-21swapper/211:54:052
302532460,1sleep71-21systemd10:33:297
248582460,1sleep341-21ksoftirqd/311:05:373
203522460,0sleep50-21swapper/509:38:575
168192460,1sleep233-21ksoftirqd/209:47:432
130252460,1sleep125-21ksoftirqd/112:27:441
89612450,0sleep10-21swapper/111:37:061
59702450,0sleep50-21swapper/509:47:055
83062440,0sleep70-21swapper/709:23:537
61562440,0sleep10-21swapper/110:24:581
194442440,0sleep40-21swapper/411:25:084
135982440,0sleep40-21swapper/408:10:474
132522440,1sleep013044-21sshd11:37:210
109562440,0sleep30-21swapper/311:19:143
288192430,0sleep60-21swapper/610:47:456
288192430,0sleep60-21swapper/610:47:456
201502430,0sleep70-21swapper/709:46:037
164632430,0sleep60-21swapper/610:12:536
129072430,0sleep40-21swapper/409:25:504
237672420,0sleep70-21swapper/710:13:197
155892420,0sleep60-21swapper/611:15:496
98482410,0sleep00-21swapper/010:53:560
77772410,0sleep50-21swapper/509:23:515
664024128,9sleep60-21swapper/607:03:566
221712410,0sleep00-21swapper/011:32:250
188082410,0sleep60-21swapper/611:08:526
16032410,0sleep60-21swapper/612:23:336
14442410,0sleep10-21swapper/109:52:141
671324027,9sleep30-21swapper/307:04:573
670824027,9sleep70-21swapper/707:04:537
644524029,8sleep20-21swapper/207:01:192
427924028,9sleep40-21swapper/407:00:334
218132400,0sleep20-21swapper/210:09:372
218132400,0sleep20-21swapper/210:09:372
151432400,0sleep70-21swapper/711:23:037
147942400,0sleep30-21swapper/309:36:463
666123926,9sleep00-21swapper/007:04:140
655123926,9sleep10-21swapper/107:02:471
241772390,0sleep70-21swapper/709:15:447
181502390,0sleep60-21swapper/611:26:466
113462390,0sleep20-21swapper/212:13:192
308972370,0sleep70-21swapper/709:43:077
139802370,0sleep60-21swapper/610:43:216
110242270,0sleep50-21swapper/509:27:355
6965992219,3cyclictest49-21ksoftirqd/412:29:414
694599226,3cyclictest25-21ksoftirqd/111:23:011
694399226,4cyclictest9-21ksoftirqd/009:21:100
297012210,0sleep10-21swapper/109:34:041
6965992016,1cyclictest49-21ksoftirqd/411:18:534
6965992014,4cyclictest49-21ksoftirqd/409:20:514
6945992016,1cyclictest25-21ksoftirqd/111:06:591
52582200,0sleep20-21swapper/212:18:242
6969991915,3cyclictest9149-21sshd11:46:075
696599195,3cyclictest49-21ksoftirqd/409:47:144
696599192,1cyclictest49-21ksoftirqd/409:09:574
696599190,2cyclictest1048-21grep10:04:524
694599196,2cyclictest25-21ksoftirqd/111:45:101
6943991918,1cyclictest9-21ksoftirqd/010:33:110
6943991917,1cyclictest9-21ksoftirqd/012:32:340
694399191,3cyclictest131rcu_sched09:54:330
696599184,1cyclictest49-21ksoftirqd/409:51:234
696599183,3cyclictest49-21ksoftirqd/412:24:514
6965991816,1cyclictest49-21ksoftirqd/412:12:314
6965991816,1cyclictest49-21ksoftirqd/411:28:124
6965991814,1cyclictest49-21ksoftirqd/409:37:384
6965991813,3cyclictest49-21ksoftirqd/410:31:424
696599181,3cyclictest0-21swapper/411:36:054
6945991816,1cyclictest25-21ksoftirqd/112:06:341
6943991816,1cyclictest9-21ksoftirqd/011:40:300
6943991814,3cyclictest9-21ksoftirqd/011:26:570
6943991811,2cyclictest9-21ksoftirqd/012:14:530
6982991715,1cyclictest73-21ksoftirqd/712:25:477
6982991715,1cyclictest73-21ksoftirqd/709:36:407
6982991715,1cyclictest73-21ksoftirqd/709:13:157
6982991713,3cyclictest73-21ksoftirqd/709:33:187
696599179,1cyclictest49-21ksoftirqd/410:06:404
696599179,1cyclictest49-21ksoftirqd/410:06:404
696599172,3cyclictest49-21ksoftirqd/411:10:354
6965991716,1cyclictest49-21ksoftirqd/411:00:484
6965991715,1cyclictest49-21ksoftirqd/411:57:494
6965991715,1cyclictest49-21ksoftirqd/411:47:574
6965991715,1cyclictest49-21ksoftirqd/410:17:134
6965991715,1cyclictest49-21ksoftirqd/409:59:264
6965991715,1cyclictest49-21ksoftirqd/409:59:264
6965991714,3cyclictest49-21ksoftirqd/410:39:504
6965991714,2cyclictest49-21ksoftirqd/410:26:414
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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