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2026-07-14 - 09:12
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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 rackdslot4.osadl.org (updated Tue Jul 14, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591206172,23phc2sys0-21swapper/319:07:083
49862204172,22sleep10-21swapper/119:05:051
69742203170,22sleep20-21swapper/219:06:552
70962201166,23sleep00-21swapper/019:08:300
1977821160,2sleep2750499cyclictest23:55:142
132922790,6sleep2750499cyclictest23:40:222
7505996229,6cyclictest41-21ksoftirqd/321:50:243
7505996228,7cyclictest41-21ksoftirqd/322:35:253
7505996228,7cyclictest41-21ksoftirqd/319:30:193
7505996227,7cyclictest41-21ksoftirqd/323:15:213
7505995928,4cyclictest41-21ksoftirqd/323:20:133
7505995923,7cyclictest41-21ksoftirqd/320:50:243
7505995828,3cyclictest41-21ksoftirqd/322:55:203
7505995827,6cyclictest41-21ksoftirqd/323:10:183
234802580,2sleep10-21swapper/100:00:281
7505995721,4cyclictest41-21ksoftirqd/323:55:203
138722570,2sleep30-21swapper/321:30:253
7505995628,10cyclictest41-21ksoftirqd/322:00:123
7505995624,5cyclictest41-21ksoftirqd/322:55:003
250212560,2sleep20-21swapper/219:45:142
85262550,4sleep3750599cyclictest23:30:243
7505995522,7cyclictest41-21ksoftirqd/320:20:243
7505995426,10cyclictest41-21ksoftirqd/319:40:283
7505995425,11cyclictest41-21ksoftirqd/319:55:203
7505995422,4cyclictest41-21ksoftirqd/319:45:163
750599526,8cyclictest41-21ksoftirqd/321:00:203
750599525,8cyclictest41-21ksoftirqd/320:55:143
750599523,8cyclictest41-21ksoftirqd/300:05:273
7505995225,9cyclictest41-21ksoftirqd/320:30:013
7505995225,10cyclictest41-21ksoftirqd/300:10:143
7505995220,11cyclictest41-21ksoftirqd/300:25:243
750599514,8cyclictest41-21ksoftirqd/320:40:243
750599514,8cyclictest41-21ksoftirqd/320:09:473
7505995118,4cyclictest41-21ksoftirqd/300:35:253
750599509,5cyclictest41-21ksoftirqd/323:35:133
750599503,6cyclictest41-21ksoftirqd/319:25:233
750599495,8cyclictest41-21ksoftirqd/321:35:143
7505994920,5cyclictest41-21ksoftirqd/323:50:143
7505994917,4cyclictest41-21ksoftirqd/300:30:123
750599485,9cyclictest41-21ksoftirqd/319:54:443
7505994825,9cyclictest41-21ksoftirqd/320:15:283
7505994821,11cyclictest41-21ksoftirqd/322:10:223
750599477,5cyclictest41-21ksoftirqd/319:15:143
7505994727,10cyclictest41-21ksoftirqd/300:20:113
750599472,6cyclictest41-21ksoftirqd/322:30:253
750599472,6cyclictest41-21ksoftirqd/321:10:013
750599463,6cyclictest41-21ksoftirqd/320:33:083
750499461,42cyclictest4466-21sh21:15:002
750599453,6cyclictest41-21ksoftirqd/321:55:203
750599453,6cyclictest41-21ksoftirqd/320:45:113
7505994528,10cyclictest41-21ksoftirqd/319:20:243
750599452,7cyclictest41-21ksoftirqd/320:05:013
750599452,6cyclictest41-21ksoftirqd/321:10:183
750599452,6cyclictest41-21ksoftirqd/300:15:253
319552450,3sleep10-21swapper/121:05:001
750599443,5cyclictest41-21ksoftirqd/322:42:213
750599442,6cyclictest41-21ksoftirqd/323:05:133
750599442,5cyclictest41-21ksoftirqd/322:08:033
750599441,5cyclictest41-21ksoftirqd/322:50:003
750599441,5cyclictest41-21ksoftirqd/322:20:173
750599440,6cyclictest41-21ksoftirqd/323:25:163
750599434,8cyclictest41-21ksoftirqd/321:20:283
7505994327,9cyclictest41-21ksoftirqd/323:45:013
750599432,5cyclictest41-21ksoftirqd/323:00:143
750599432,5cyclictest41-21ksoftirqd/321:27:563
750599432,5cyclictest41-21ksoftirqd/319:37:553
750599431,5cyclictest41-21ksoftirqd/321:18:013
7503994335,5cyclictest14162-21cron23:45:001
7502994339,2cyclictest29137-21cron22:05:000
750599426,8cyclictest41-21ksoftirqd/319:10:243
750599423,7cyclictest41-21ksoftirqd/322:25:193
750599421,5cyclictest41-21ksoftirqd/323:47:533
750599411,6cyclictest41-21ksoftirqd/322:19:313
750599411,6cyclictest0-21swapper/321:45:143
7504994136,3cyclictest14323-21turbostat21:35:002
7503994135,3cyclictest25-21ksoftirqd/121:30:001
750599403,6cyclictest41-21ksoftirqd/320:35:253
750499390,37cyclictest0-21swapper/220:35:222
7503993934,3cyclictest25-21ksoftirqd/120:19:591
750599384,7cyclictest41-21ksoftirqd/300:00:143
750499389,27cyclictest0-21swapper/223:30:342
750499380,2cyclictest0-21swapper/220:20:232
7503993833,3cyclictest25-21ksoftirqd/122:15:011
7503993832,3cyclictest25-21ksoftirqd/121:40:001
7503993831,5cyclictest25-21ksoftirqd/122:20:011
7503993731,4cyclictest25-21ksoftirqd/123:15:541
7503993731,4cyclictest25-21ksoftirqd/122:45:001
7503993730,5cyclictest25-21ksoftirqd/121:16:591
7503993726,9cyclictest25-21ksoftirqd/100:05:301
7502993731,4cyclictest9-21ksoftirqd/021:35:000
7502993730,5cyclictest9-21ksoftirqd/000:28:510
750599364,9cyclictest41-21ksoftirqd/321:40:143
7505993617,10cyclictest41-21ksoftirqd/320:10:443
7504993630,4cyclictest33-21ksoftirqd/221:36:192
7504993630,4cyclictest33-21ksoftirqd/220:42:272
7504993630,4cyclictest33-21ksoftirqd/219:40:012
7503993631,3cyclictest25-21ksoftirqd/100:30:101
7503993630,4cyclictest25-21ksoftirqd/123:29:181
7503993629,5cyclictest25-21ksoftirqd/122:01:361
7502993632,3cyclictest9-21ksoftirqd/019:35:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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