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2026-09-17 - 04:02
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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 Sep 17, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26173991260,125cyclictest24407-21sshd22:29:590
2617499121119,1cyclictest1844-21nfsd22:29:591
261869911576,0cyclictest0-21swapper/422:30:004
222882900,0sleep30-21swapper/321:25:143
324412840,0sleep0111rcuc/000:00:500
26174997656,20cyclictest25-21ksoftirqd/121:37:511
181172610,1sleep218094-21sshd23:52:352
159772530,0sleep20-21swapper/223:18:392
202842510,0sleep0111rcuc/000:28:450
269992500,0sleep40-21swapper/400:11:514
269992500,0sleep40-21swapper/400:11:514
182292500,2sleep72620199cyclictest23:41:107
102112500,1sleep14757-21packagekitd00:18:291
68342480,0sleep20-21swapper/222:57:082
62432480,1sleep773-21ksoftirqd/700:33:407
99322470,0sleep10-21swapper/123:48:251
237022470,1sleep423685-21bash23:37:474
204042470,1sleep720406-21grepconf.sh23:01:387
129092470,0sleep20-21swapper/223:12:382
129092470,0sleep20-21swapper/223:12:382
94202450,1sleep39422-21sshd22:53:333
90292450,1sleep449-21ksoftirqd/422:12:014
83072450,1sleep773-21ksoftirqd/722:53:297
48302440,0sleep30-21swapper/322:57:013
234882440,0sleep40-21swapper/422:46:454
224452440,0sleep00-21swapper/021:32:560
90472430,0sleep10-21swapper/121:39:461
31032430,0sleep40-21swapper/423:10:084
31032430,0sleep40-21swapper/423:10:084
289802430,0sleep10-21swapper/122:37:451
2618399430,42cyclictest31267-21kworker/u16:421:37:513
208782430,0sleep40-21swapper/423:43:154
74762420,0sleep60-21swapper/621:04:596
2618399420,41cyclictest11277-21kworker/3:322:29:593
251002420,0sleep00-21swapper/021:42:410
207222420,1sleep120716-21sshd23:37:361
177802420,0sleep40-21swapper/422:42:444
127962420,1sleep712795-21bash23:39:027
316232410,0sleep6641ktimersoftd/622:23:006
26192994140,1cyclictest4068-21kworker/5:322:29:595
2578724129,9sleep30-21swapper/319:01:343
2568924129,9sleep50-21swapper/519:00:165
234782410,0sleep00-21swapper/000:30:530
118602410,0sleep30-21swapper/322:40:273
2619699403,37cyclictest0-21swapper/622:30:006
26177994040,0cyclictest13550irq/24-ahci[00021:37:512
2590424028,9sleep40-21swapper/419:03:114
2580824028,8sleep60-21swapper/619:01:536
2573624028,8sleep10-21swapper/119:00:521
2568424027,9sleep00-21swapper/019:00:110
210172400,0sleep60-21swapper/622:03:146
125562400,0sleep30-21swapper/323:55:563
2570023927,8sleep70-21swapper/719:00:267
2569523926,9sleep20-21swapper/219:00:212
233152390,0sleep20-21swapper/222:07:022
161582390,0sleep60-21swapper/621:45:526
107042390,0sleep30-21swapper/322:10:083
2619699384,34cyclictest0-21swapper/621:37:516
228862380,0sleep00-21swapper/021:55:470
206372380,0sleep20-21swapper/223:39:292
4042360,0sleep20-21swapper/221:20:172
26177993636,0cyclictest13550irq/24-ahci[00022:30:002
26192993535,0cyclictest12929-21kworker/5:621:37:515
25032330,0sleep60-21swapper/622:49:196
2620199300,29cyclictest22007-21kworker/7:121:37:517
2617399304,19cyclictest0-21swapper/021:37:500
30252270,0sleep30-21swapper/323:30:493
2618699256,18cyclictest0-21swapper/421:37:514
26173992518,4cyclictest131rcu_sched21:46:330
2620199240,24cyclictest13431-21kworker/7:322:30:007
26173992411,3cyclictest9-21ksoftirqd/021:29:170
26173992311,3cyclictest9-21ksoftirqd/023:40:340
26173992311,3cyclictest9-21ksoftirqd/023:37:320
2617499227,2cyclictest25-21ksoftirqd/122:00:391
2617399226,1cyclictest9-21ksoftirqd/022:29:060
2617499218,1cyclictest25-21ksoftirqd/100:23:101
2617399219,2cyclictest9-21ksoftirqd/000:21:320
2617399219,2cyclictest9-21ksoftirqd/000:05:100
2617399218,2cyclictest9-21ksoftirqd/023:21:570
2617399217,2cyclictest9-21ksoftirqd/022:55:530
2617399216,1cyclictest9-21ksoftirqd/000:14:430
26173992115,4cyclictest9-21ksoftirqd/022:20:080
26173992110,1cyclictest9-21ksoftirqd/023:10:200
26173992110,1cyclictest9-21ksoftirqd/023:10:200
2617499204,2cyclictest25-21ksoftirqd/100:02:521
2617499204,1cyclictest25-21ksoftirqd/121:22:151
2617399209,1cyclictest9-21ksoftirqd/022:05:140
2617399208,1cyclictest9-21ksoftirqd/022:39:030
2617399207,1cyclictest9-21ksoftirqd/023:49:480
26173992017,1cyclictest9-21ksoftirqd/023:01:030
26173992015,1cyclictest9-21ksoftirqd/022:02:110
26173992014,4cyclictest9-21ksoftirqd/022:43:440
144932200,0sleep00-21swapper/000:13:070
144932200,0sleep00-21swapper/000:13:070
44342190,1sleep34433-21bash22:28:583
2617499199,1cyclictest25-21ksoftirqd/100:14:041
2617499199,1cyclictest25-21ksoftirqd/100:14:041
2617499193,3cyclictest25-21ksoftirqd/122:04:471
26174991917,1cyclictest25-21ksoftirqd/123:42:141
2617399199,3cyclictest9-21ksoftirqd/023:04:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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