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2026-07-26 - 13:36
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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 Sun Jul 26, 2026 00:46:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69302235169,23sleep30-21swapper/319:08:043
69282202168,22sleep10-21swapper/119:08:011
68112202169,22sleep20-21swapper/219:06:342
70092200167,22sleep00-21swapper/019:09:050
708128261,12sleep30-21swapper/319:10:013
7377996223,4cyclictest41-21ksoftirqd/321:11:543
7377996124,10cyclictest41-21ksoftirqd/319:57:083
7377996027,6cyclictest41-21ksoftirqd/323:40:163
7377996023,7cyclictest41-21ksoftirqd/322:50:153
7377996023,7cyclictest41-21ksoftirqd/322:50:153
7377996022,8cyclictest41-21ksoftirqd/320:38:403
7377996022,4cyclictest41-21ksoftirqd/323:54:143
7377996021,8cyclictest41-21ksoftirqd/323:12:203
7377996021,10cyclictest41-21ksoftirqd/321:08:173
7377995927,9cyclictest41-21ksoftirqd/323:05:013
7377995925,7cyclictest41-21ksoftirqd/320:40:173
7377995922,8cyclictest41-21ksoftirqd/319:40:363
7377995922,4cyclictest41-21ksoftirqd/320:26:293
7377995919,8cyclictest41-21ksoftirqd/322:24:473
7377995919,8cyclictest41-21ksoftirqd/322:24:473
7377995823,9cyclictest41-21ksoftirqd/323:37:483
7377995823,7cyclictest41-21ksoftirqd/323:20:233
7377995823,7cyclictest41-21ksoftirqd/323:20:223
7377995822,10cyclictest41-21ksoftirqd/300:11:463
7377995821,9cyclictest41-21ksoftirqd/320:10:243
7377995821,4cyclictest41-21ksoftirqd/323:08:163
7377995820,8cyclictest41-21ksoftirqd/320:23:243
7377995819,7cyclictest41-21ksoftirqd/321:22:483
7377995819,7cyclictest41-21ksoftirqd/321:22:473
7377995726,8cyclictest41-21ksoftirqd/322:55:133
7377995723,10cyclictest41-21ksoftirqd/323:25:123
7377995722,3cyclictest41-21ksoftirqd/321:51:453
7377995722,3cyclictest41-21ksoftirqd/321:51:443
7377995721,8cyclictest41-21ksoftirqd/322:16:213
7377995721,8cyclictest41-21ksoftirqd/320:05:423
7377995622,9cyclictest41-21ksoftirqd/323:30:173
7377995622,9cyclictest41-21ksoftirqd/300:15:483
7377995619,8cyclictest41-21ksoftirqd/320:48:303
7377995619,4cyclictest41-21ksoftirqd/320:32:463
7377995617,9cyclictest41-21ksoftirqd/300:33:403
7377995522,9cyclictest41-21ksoftirqd/323:46:363
7377995522,3cyclictest41-21ksoftirqd/320:54:573
7377995520,9cyclictest41-21ksoftirqd/321:28:423
7377995520,8cyclictest41-21ksoftirqd/319:23:263
7377995423,10cyclictest41-21ksoftirqd/322:45:153
7377995422,8cyclictest41-21ksoftirqd/320:15:463
7377995421,9cyclictest41-21ksoftirqd/319:17:093
7377995420,9cyclictest41-21ksoftirqd/300:06:123
7377995419,10cyclictest41-21ksoftirqd/322:31:283
7377995322,5cyclictest41-21ksoftirqd/322:05:433
7377995321,8cyclictest41-21ksoftirqd/321:45:393
7377995321,4cyclictest41-21ksoftirqd/321:33:373
7377995320,10cyclictest41-21ksoftirqd/322:25:483
737799525,4cyclictest41-21ksoftirqd/321:00:183
7377995221,9cyclictest41-21ksoftirqd/321:38:303
7377995220,3cyclictest41-21ksoftirqd/319:52:423
7377995219,9cyclictest41-21ksoftirqd/319:29:563
169642520,2sleep10-21swapper/122:45:001
737799514,8cyclictest41-21ksoftirqd/320:55:163
7377995122,7cyclictest41-21ksoftirqd/322:35:223
737799506,4cyclictest41-21ksoftirqd/300:20:253
737799506,4cyclictest41-21ksoftirqd/300:20:253
7377995016,8cyclictest41-21ksoftirqd/321:40:123
737799495,8cyclictest41-21ksoftirqd/322:40:253
737799495,5cyclictest41-21ksoftirqd/322:00:243
737799495,4cyclictest41-21ksoftirqd/321:55:133
7377994919,7cyclictest41-21ksoftirqd/319:45:273
7377994919,3cyclictest41-21ksoftirqd/323:56:053
7377994917,10cyclictest41-21ksoftirqd/320:00:573
737799485,4cyclictest41-21ksoftirqd/300:00:143
7376994819,3cyclictest33-21ksoftirqd/221:25:132
737799476,4cyclictest41-21ksoftirqd/300:35:263
737799473,8cyclictest41-21ksoftirqd/321:15:213
737799473,7cyclictest41-21ksoftirqd/319:30:273
7376994615,4cyclictest33-21ksoftirqd/220:24:592
737799455,3cyclictest0-21swapper/319:35:143
737799444,3cyclictest41-21ksoftirqd/300:25:163
7376994430,12cyclictest33-21ksoftirqd/200:10:192
7376994415,3cyclictest33-21ksoftirqd/219:10:142
737799432,7cyclictest41-21ksoftirqd/323:15:213
7376994338,2cyclictest33-21ksoftirqd/200:39:592
7376994330,3cyclictest33-21ksoftirqd/223:05:192
7376994236,3cyclictest33-21ksoftirqd/223:20:002
7376994215,3cyclictest33-21ksoftirqd/223:45:272
7376994213,4cyclictest33-21ksoftirqd/220:10:282
7376994212,4cyclictest33-21ksoftirqd/223:40:202
7376994136,3cyclictest33-21ksoftirqd/219:35:002
7376994136,3cyclictest33-21ksoftirqd/219:25:002
7377994036,2cyclictest41-21ksoftirqd/322:10:273
737699406,4cyclictest33-21ksoftirqd/222:35:012
7376994035,3cyclictest33-21ksoftirqd/223:30:012
7376994035,3cyclictest33-21ksoftirqd/220:00:002
7376994035,2cyclictest33-21ksoftirqd/219:50:002
7376994012,3cyclictest33-21ksoftirqd/200:15:272
7376994011,4cyclictest33-21ksoftirqd/222:40:152
737699395,4cyclictest33-21ksoftirqd/219:40:382
737699395,3cyclictest121rcu_preempt21:50:162
737699395,3cyclictest121rcu_preempt21:50:162
7376993934,3cyclictest36092irq/128-enp1s0-21:30:182
7376993934,3cyclictest33-21ksoftirqd/222:50:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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