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2026-05-28 - 18:58
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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 Thu May 28, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251612540,1sleep125-21ksoftirqd/112:31:011
103392520,0sleep70-21swapper/709:31:117
75802510,1sleep6641ktimersoftd/611:06:576
204342510,1sleep020433-21grep10:30:460
132962500,0sleep00-21swapper/009:40:330
76442490,1sleep27640-21sshd10:39:132
818124725,18sleep40-21swapper/407:04:394
818124725,18sleep40-21swapper/407:04:394
35352460,0sleep10-21swapper/110:35:201
35352460,0sleep10-21swapper/110:35:201
23562460,2sleep2861599cyclictest11:04:442
69602450,1sleep46963-21kworker/u16:211:56:444
263332450,0sleep00-21swapper/011:33:500
222702450,1sleep622272-21sshd10:21:396
175252450,0sleep20-21swapper/209:11:032
146302450,1sleep125-21ksoftirqd/110:58:111
319812440,0sleep50-21swapper/510:37:005
319812440,0sleep50-21swapper/510:37:005
98482430,1sleep449-21ksoftirqd/411:14:234
825624331,9sleep30-21swapper/307:05:423
825624331,9sleep30-21swapper/307:05:423
43592430,0sleep60-21swapper/611:43:416
162462430,0sleep00-21swapper/011:33:180
822224231,8sleep50-21swapper/507:05:125
822224231,8sleep50-21swapper/507:05:125
266642420,0sleep40-21swapper/411:52:204
185552420,0sleep40-21swapper/412:23:194
280342410,0sleep60-21swapper/611:17:226
241072410,0sleep50-21swapper/510:42:055
178672410,0sleep70-21swapper/711:24:047
141672410,0sleep614164-21systemd-cgroups12:36:036
87712400,0sleep3391rcuc/311:47:383
842924028,8sleep70-21swapper/707:08:027
842924028,8sleep70-21swapper/707:08:027
840724027,9sleep00-21swapper/007:07:470
840724027,9sleep00-21swapper/007:07:470
816124029,8sleep20-21swapper/207:04:202
816124029,8sleep20-21swapper/207:04:202
65642400,0sleep1241ktimersoftd/111:36:231
282662400,0sleep10-21swapper/111:00:431
213082400,0sleep30-21swapper/309:48:293
174172400,0sleep10-21swapper/111:16:451
842823926,9sleep60-21swapper/607:08:016
842823926,9sleep60-21swapper/607:08:016
196812390,0sleep70-21swapper/712:04:487
150342390,0sleep00-21swapper/009:53:380
152382380,0sleep10-21swapper/111:27:421
821823726,8sleep10-21swapper/107:05:081
821823726,8sleep10-21swapper/107:05:081
193692370,0sleep10-21swapper/112:17:481
325362340,2sleep4861799cyclictest10:01:594
153592240,0sleep20-21swapper/210:26:482
8618992221,1cyclictest57-21ksoftirqd/511:15:455
8618992219,3cyclictest57-21ksoftirqd/510:57:565
108352220,7sleep20-21swapper/211:47:452
861899207,1cyclictest121rcu_preempt09:31:495
8618992016,3cyclictest57-21ksoftirqd/509:16:375
171402200,1sleep217138-21sshd12:38:072
861899193,2cyclictest57-21ksoftirqd/509:36:345
8618991918,1cyclictest57-21ksoftirqd/512:13:435
861899191,3cyclictest57-21ksoftirqd/510:16:025
8618991817,1cyclictest1844-21nfsd10:52:065
8618991816,1cyclictest57-21ksoftirqd/512:12:085
8618991816,1cyclictest57-21ksoftirqd/511:09:475
8618991816,1cyclictest57-21ksoftirqd/511:00:325
8618991816,1cyclictest57-21ksoftirqd/509:40:355
8618991815,1cyclictest57-21ksoftirqd/511:34:025
8618991814,1cyclictest57-21ksoftirqd/511:31:255
8618991813,4cyclictest57-21ksoftirqd/512:32:095
861899180,1cyclictest0-21swapper/511:47:105
34922180,0sleep20-21swapper/212:18:452
861899174,3cyclictest57-21ksoftirqd/512:03:405
8618991716,1cyclictest57-21ksoftirqd/511:58:515
8618991716,1cyclictest57-21ksoftirqd/511:58:515
8618991716,1cyclictest57-21ksoftirqd/511:20:135
8618991715,1cyclictest57-21ksoftirqd/512:25:335
8618991715,1cyclictest57-21ksoftirqd/511:54:395
8618991715,1cyclictest57-21ksoftirqd/511:03:565
8618991715,1cyclictest57-21ksoftirqd/510:24:495
8618991715,1cyclictest57-21ksoftirqd/509:58:585
8618991715,1cyclictest57-21ksoftirqd/509:55:055
8618991713,3cyclictest464-21systemd-journal11:40:075
8618991713,1cyclictest57-21ksoftirqd/509:49:475
8618991712,3cyclictest57-21ksoftirqd/510:20:165
8618991712,3cyclictest57-21ksoftirqd/510:03:545
861899171,1cyclictest57-21ksoftirqd/511:51:505
8614991715,1cyclictest25-21ksoftirqd/112:23:491
8614991715,1cyclictest25-21ksoftirqd/110:23:151
8614991715,1cyclictest25-21ksoftirqd/109:16:271
47362170,0sleep30-21swapper/310:33:383
282112170,0sleep00-21swapper/012:18:190
8625991614,1cyclictest73-21ksoftirqd/711:38:007
861999160,0cyclictest0-21swapper/611:38:296
861899164,3cyclictest57-21ksoftirqd/510:32:085
861899164,1cyclictest131rcu_sched11:23:535
8618991614,1cyclictest57-21ksoftirqd/512:18:495
8618991614,1cyclictest57-21ksoftirqd/510:45:215
8618991614,1cyclictest57-21ksoftirqd/509:45:585
8618991614,1cyclictest57-21ksoftirqd/509:23:575
8618991614,1cyclictest57-21ksoftirqd/509:20:335
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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