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2026-05-30 - 07:38
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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 rackdslot3.osadl.org (updated Sat May 30, 2026 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
174542235169,22sleep00-21swapper/019:07:570
139491235169,22phc2sys0-21swapper/319:08:093
174602206172,23sleep10-21swapper/119:08:021
175282203172,20sleep20-21swapper/219:08:562
1682921670,8sleep11790499cyclictest20:15:131
139391710,0ptp4l391rcuc/322:25:233
17906996429,8cyclictest41-21ksoftirqd/300:35:143
17906995426,7cyclictest41-21ksoftirqd/300:10:293
17906995327,9cyclictest41-21ksoftirqd/321:00:183
17906995325,8cyclictest41-21ksoftirqd/323:30:183
17906995325,8cyclictest41-21ksoftirqd/323:30:183
1790699522,8cyclictest41-21ksoftirqd/322:57:323
17906995219,8cyclictest41-21ksoftirqd/322:10:003
17906995125,9cyclictest41-21ksoftirqd/323:20:223
17906995125,8cyclictest41-21ksoftirqd/321:55:123
1790699493,5cyclictest0-21swapper/321:30:253
17906994927,8cyclictest41-21ksoftirqd/323:25:133
17906994923,9cyclictest41-21ksoftirqd/320:15:183
17906994923,9cyclictest41-21ksoftirqd/319:40:183
1790699482,6cyclictest41-21ksoftirqd/323:55:013
17906994825,10cyclictest41-21ksoftirqd/300:30:233
1790699472,6cyclictest41-21ksoftirqd/319:10:273
17906994720,8cyclictest41-21ksoftirqd/300:15:133
57898460,2rtkit-daemon577-21rtkit-daemon23:41:112
1790699466,6cyclictest41-21ksoftirqd/320:50:153
1790699463,7cyclictest41-21ksoftirqd/320:40:203
17906994615,3cyclictest41-21ksoftirqd/321:54:173
1790699460,5cyclictest41-21ksoftirqd/319:30:133
1790699455,7cyclictest41-21ksoftirqd/321:45:203
1790699454,6cyclictest41-21ksoftirqd/319:20:123
1790699454,4cyclictest41-21ksoftirqd/319:50:173
1790699454,4cyclictest41-21ksoftirqd/319:45:183
1790699453,6cyclictest41-21ksoftirqd/321:40:013
1790699453,6cyclictest41-21ksoftirqd/320:10:183
1790699452,7cyclictest41-21ksoftirqd/320:30:133
1790699451,7cyclictest41-21ksoftirqd/319:55:163
1790699445,6cyclictest41-21ksoftirqd/319:35:143
17906994439,3cyclictest9054-21sh22:14:593
1790699443,5cyclictest41-21ksoftirqd/321:18:323
1790699443,5cyclictest41-21ksoftirqd/321:18:323
1790699442,6cyclictest41-21ksoftirqd/323:04:143
17906994418,8cyclictest41-21ksoftirqd/323:35:243
1790699441,7cyclictest41-21ksoftirqd/323:15:153
1790699436,7cyclictest41-21ksoftirqd/321:05:223
1790699435,8cyclictest41-21ksoftirqd/320:40:003
1790699435,7cyclictest41-21ksoftirqd/300:25:203
1790699435,6cyclictest41-21ksoftirqd/320:25:173
1790699435,6cyclictest41-21ksoftirqd/320:25:173
1790699434,4cyclictest41-21ksoftirqd/319:18:003
1790699432,6cyclictest41-21ksoftirqd/320:03:063
1790699432,5cyclictest41-21ksoftirqd/322:52:313
1790699432,5cyclictest41-21ksoftirqd/322:39:193
17906994315,9cyclictest41-21ksoftirqd/323:45:243
139391430,0ptp4l401ktimersoftd/322:48:443
1790699426,6cyclictest41-21ksoftirqd/321:40:243
1790699423,6cyclictest41-21ksoftirqd/320:45:163
1790699422,7cyclictest41-21ksoftirqd/300:01:553
57898410,2rtkit-daemon577-21rtkit-daemon20:13:332
1790699412,5cyclictest41-21ksoftirqd/323:42:063
1790699412,3cyclictest41-21ksoftirqd/322:20:173
17906994116,4cyclictest41-21ksoftirqd/320:20:433
1790699411,5cyclictest41-21ksoftirqd/321:10:503
1790699405,7cyclictest41-21ksoftirqd/322:40:153
1790699402,6cyclictest41-21ksoftirqd/322:34:463
1790699392,5cyclictest41-21ksoftirqd/322:19:383
17906993918,9cyclictest41-21ksoftirqd/323:50:123
1790699390,5cyclictest41-21ksoftirqd/321:25:133
1790699384,7cyclictest41-21ksoftirqd/323:10:213
1790699382,5cyclictest41-21ksoftirqd/320:55:133
1790699381,4cyclictest0-21swapper/320:05:183
17905993832,4cyclictest33-21ksoftirqd/221:10:002
17904993832,4cyclictest25-21ksoftirqd/121:42:071
1790699375,6cyclictest41-21ksoftirqd/321:20:193
17906993732,3cyclictest41-21ksoftirqd/323:09:593
1790699372,6cyclictest41-21ksoftirqd/322:00:193
1790699372,6cyclictest41-21ksoftirqd/322:00:193
17904993732,3cyclictest9049-21cron22:14:591
17904993732,3cyclictest25-21ksoftirqd/100:40:001
17904993731,4cyclictest25-21ksoftirqd/121:13:301
17904993731,4cyclictest25-21ksoftirqd/120:46:221
1790699363,8cyclictest41-21ksoftirqd/300:07:233
17905993630,4cyclictest33-21ksoftirqd/223:39:252
17905993630,4cyclictest33-21ksoftirqd/223:32:272
17905993630,4cyclictest33-21ksoftirqd/223:32:272
17905993630,4cyclictest33-21ksoftirqd/220:19:072
17904993630,4cyclictest25-21ksoftirqd/123:57:371
17904993630,4cyclictest25-21ksoftirqd/119:27:471
17904993629,5cyclictest25-21ksoftirqd/121:19:031
17904993629,5cyclictest25-21ksoftirqd/121:19:031
17903993627,6cyclictest9-21ksoftirqd/019:35:000
17906993531,3cyclictest41-21ksoftirqd/319:30:003
17906993530,3cyclictest41-21ksoftirqd/300:24:593
17905993530,3cyclictest33-21ksoftirqd/222:11:402
17905993530,3cyclictest33-21ksoftirqd/200:08:502
17905993529,4cyclictest33-21ksoftirqd/222:27:552
17905993529,4cyclictest33-21ksoftirqd/221:48:132
17905993529,4cyclictest33-21ksoftirqd/221:44:242
17905993529,4cyclictest33-21ksoftirqd/220:47:032
17905993529,4cyclictest33-21ksoftirqd/200:32:012
17905993528,5cyclictest33-21ksoftirqd/220:51:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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