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2026-03-15 - 05:29
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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 Sun Mar 15, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253502890,6sleep20-21swapper/200:09:322
236272720,0sleep70-21swapper/700:03:527
381425025,8sleep40-21swapper/419:06:474
356625026,8sleep00-21swapper/019:03:220
21322500,0sleep60-21swapper/621:42:066
110782500,0sleep10-21swapper/100:10:351
372324825,9sleep70-21swapper/719:05:297
177222460,1sleep417724-21cat22:07:034
9252450,1sleep2515-21sshd23:38:322
49132450,0sleep50-21swapper/522:37:405
326432450,0sleep50-21swapper/522:18:585
320862450,0sleep60-21swapper/621:54:566
96392440,0sleep40-21swapper/421:59:104
65082440,0sleep00-21swapper/021:18:220
287922440,0sleep00-21swapper/000:35:410
277792440,1sleep125-21ksoftirqd/123:51:121
277772440,0sleep70-21swapper/700:30:037
115252440,0sleep10-21swapper/121:48:101
62512430,0sleep20-21swapper/223:55:302
296162430,1sleep129618-21sshd23:34:391
296162430,1sleep129618-21sshd23:34:391
281402430,2sleep5400899cyclictest00:02:145
197972430,0sleep40-21swapper/422:05:194
136522430,0sleep20-21swapper/222:52:592
257282420,0sleep40-21swapper/422:16:484
257282420,0sleep40-21swapper/422:16:484
241372420,0sleep10-21swapper/121:45:141
19932420,0sleep60-21swapper/623:38:366
50172410,0sleep70-21swapper/721:53:217
368124129,9sleep50-21swapper/519:04:555
33652410,0sleep00-21swapper/021:10:530
165372410,0sleep20-21swapper/200:23:492
94822400,0sleep50-21swapper/521:06:575
92522400,0sleep00-21swapper/023:37:100
85452400,0sleep00-21swapper/023:11:150
39882400,0sleep70-21swapper/723:51:437
349024028,8sleep30-21swapper/319:02:213
189242400,1sleep218917-21sshd21:17:122
165382400,0sleep50-21swapper/521:22:355
133122400,1sleep51-21systemd22:58:305
357823926,9sleep10-21swapper/119:03:311
35612390,0sleep00-21swapper/022:54:170
355923928,8sleep20-21swapper/219:03:162
286972390,0sleep00-21swapper/021:52:500
266032390,0sleep50-21swapper/523:51:085
212522390,0sleep50-21swapper/523:19:215
20152390,0sleep50-21swapper/522:11:455
168082390,0sleep20-21swapper/200:31:182
134023927,9sleep60-21swapper/619:02:006
152272380,0sleep20-21swapper/222:21:432
250982340,2sleep2398699cyclictest21:50:522
4008992514,0cyclictest0-21swapper/519:10:005
4008992418,5cyclictest57-21ksoftirqd/500:25:375
4008992317,1cyclictest57-21ksoftirqd/523:36:165
4008992317,1cyclictest57-21ksoftirqd/523:36:165
396699237,15cyclictest31088-21sshd23:23:360
396699227,0cyclictest0-21swapper/020:33:360
4000992116,3cyclictest49-21ksoftirqd/423:07:174
4000992113,5cyclictest49-21ksoftirqd/423:58:094
3994992117,3cyclictest41-21ksoftirqd/322:54:483
97982200,0sleep10-21swapper/121:14:541
4000992015,3cyclictest49-21ksoftirqd/422:56:314
4000992015,1cyclictest49-21ksoftirqd/422:47:064
3994992017,2cyclictest492-21systemd-journal00:04:353
396699206,0cyclictest0-21swapper/019:55:480
4000991915,3cyclictest49-21ksoftirqd/421:17:024
4000991914,4cyclictest49-21ksoftirqd/421:08:014
399499193,1cyclictest41-21ksoftirqd/322:50:133
3994991917,1cyclictest41-21ksoftirqd/322:57:033
3994991916,1cyclictest41-21ksoftirqd/323:45:333
3994991916,1cyclictest41-21ksoftirqd/323:45:333
3994991915,3cyclictest41-21ksoftirqd/323:53:553
3994991915,1cyclictest41-21ksoftirqd/322:45:213
3994991913,5cyclictest41-21ksoftirqd/322:41:093
3966991913,1cyclictest9-21ksoftirqd/022:17:520
217202190,0sleep6641ktimersoftd/622:09:066
159582190,0sleep40-21swapper/421:33:404
4008991814,2cyclictest57-21ksoftirqd/523:45:025
4008991814,2cyclictest57-21ksoftirqd/523:45:025
4008991812,1cyclictest57-21ksoftirqd/522:15:245
4008991812,1cyclictest57-21ksoftirqd/522:15:245
4000991817,1cyclictest49-21ksoftirqd/423:33:594
4000991817,1cyclictest49-21ksoftirqd/423:33:594
4000991816,1cyclictest49-21ksoftirqd/422:37:384
4000991813,2cyclictest49-21ksoftirqd/421:44:314
3994991817,1cyclictest41-21ksoftirqd/323:25:013
3994991816,1cyclictest41-21ksoftirqd/323:17:023
3994991816,1cyclictest41-21ksoftirqd/323:16:263
3994991816,1cyclictest41-21ksoftirqd/322:15:063
3994991816,1cyclictest41-21ksoftirqd/322:15:063
3994991816,1cyclictest41-21ksoftirqd/322:10:373
3994991816,1cyclictest41-21ksoftirqd/321:29:103
3994991816,1cyclictest41-21ksoftirqd/300:10:333
3994991814,1cyclictest41-21ksoftirqd/323:30:163
3994991813,4cyclictest41-21ksoftirqd/322:22:003
399499180,17cyclictest15493-21kworker/3:022:03:493
396699189,9cyclictest0-21swapper/023:27:420
3966991813,5cyclictest0-21swapper/020:30:080
3966991813,5cyclictest0-21swapper/020:30:080
52872170,1sleep65285-21bash23:03:366
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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