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2026-03-19 - 21:32
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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 rackdslot2.osadl.org (updated Thu Mar 19, 2026 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263332230169,50sleep30-21swapper/307:09:323
263722228200,19sleep10-21swapper/107:09:591
262772206172,23sleep20-21swapper/207:08:472
260582204171,23sleep00-21swapper/007:05:560
2637428363,11sleep30-21swapper/307:10:013
26668994941,5cyclictest3615-21grep07:30:012
139291440,1ptp4l401ktimersoftd/311:10:263
139291440,1ptp4l401ktimersoftd/311:10:263
139291440,0ptp4l401ktimersoftd/308:50:183
26669994337,3cyclictest41-21ksoftirqd/308:50:013
139291430,0ptp4l401ktimersoftd/309:53:103
26669994136,3cyclictest41-21ksoftirqd/309:00:003
26669994136,3cyclictest41-21ksoftirqd/308:15:003
41298400,2rtkit-daemon0-21swapper/111:59:491
26669994035,3cyclictest41-21ksoftirqd/309:20:013
26666994035,3cyclictest31338-21kernelversion10:40:180
26669993934,3cyclictest41-21ksoftirqd/308:20:013
26668993933,4cyclictest33-21ksoftirqd/211:50:112
26667993932,4cyclictest25-21ksoftirqd/110:58:201
26669993832,4cyclictest41-21ksoftirqd/310:13:173
26669993831,4cyclictest41-21ksoftirqd/309:29:043
26669993831,4cyclictest41-21ksoftirqd/308:40:063
2666899383,2cyclictest121rcu_preempt08:06:122
2666899383,2cyclictest121rcu_preempt08:06:112
26667993831,4cyclictest25-21ksoftirqd/110:35:571
26667993831,4cyclictest25-21ksoftirqd/110:01:561
26666993831,4cyclictest25399-21cron10:30:000
26669993732,3cyclictest41-21ksoftirqd/312:15:013
26669993732,3cyclictest41-21ksoftirqd/309:25:013
26669993731,4cyclictest41-21ksoftirqd/312:36:053
26669993731,4cyclictest41-21ksoftirqd/312:04:543
26669993731,4cyclictest41-21ksoftirqd/311:06:523
26669993731,4cyclictest41-21ksoftirqd/307:49:193
26669993731,4cyclictest41-21ksoftirqd/307:23:113
26669993730,4cyclictest41-21ksoftirqd/309:00:073
26668993733,2cyclictest10721-21cron07:45:002
26666993732,3cyclictest9-21ksoftirqd/008:50:000
26666993731,4cyclictest9-21ksoftirqd/010:50:040
26669993631,3cyclictest41-21ksoftirqd/308:02:033
26669993630,4cyclictest41-21ksoftirqd/311:45:083
26669993630,4cyclictest41-21ksoftirqd/311:22:493
26669993630,4cyclictest41-21ksoftirqd/311:15:103
26669993630,4cyclictest41-21ksoftirqd/309:39:553
26669993630,4cyclictest41-21ksoftirqd/309:10:353
26669993630,4cyclictest41-21ksoftirqd/307:16:013
26669993630,4cyclictest41-21ksoftirqd/307:16:003
2666899366,27cyclictest24309-21egrep09:20:132
26668993631,3cyclictest33-21ksoftirqd/211:19:072
26668993631,3cyclictest33-21ksoftirqd/210:05:102
26668993630,4cyclictest33-21ksoftirqd/212:28:232
26668993630,4cyclictest33-21ksoftirqd/211:27:582
26668993630,4cyclictest33-21ksoftirqd/208:55:012
26668993630,4cyclictest33-21ksoftirqd/207:53:552
26667993631,3cyclictest25-21ksoftirqd/108:48:501
26667993631,3cyclictest25-21ksoftirqd/107:31:401
26667993630,4cyclictest25-21ksoftirqd/112:27:181
26667993630,4cyclictest25-21ksoftirqd/110:19:371
26667993630,4cyclictest25-21ksoftirqd/107:22:411
26667993629,4cyclictest25-21ksoftirqd/111:52:321
26667993629,4cyclictest25-21ksoftirqd/111:03:451
26666993629,5cyclictest9-21ksoftirqd/007:30:000
26669993530,3cyclictest41-21ksoftirqd/308:25:103
26669993530,3cyclictest41-21ksoftirqd/307:35:133
26669993529,4cyclictest41-21ksoftirqd/312:28:163
26669993529,4cyclictest41-21ksoftirqd/311:34:493
26669993529,4cyclictest41-21ksoftirqd/310:57:223
26669993529,4cyclictest41-21ksoftirqd/310:33:443
26669993529,4cyclictest41-21ksoftirqd/309:41:163
26669993529,4cyclictest41-21ksoftirqd/309:34:463
26669993529,4cyclictest41-21ksoftirqd/308:07:403
26669993529,4cyclictest41-21ksoftirqd/308:07:403
26669993529,4cyclictest41-21ksoftirqd/307:31:183
26669993529,3cyclictest41-21ksoftirqd/310:45:133
26669993529,3cyclictest41-21ksoftirqd/307:50:193
26668993530,3cyclictest33-21ksoftirqd/209:39:442
26668993530,3cyclictest33-21ksoftirqd/208:19:512
26668993530,3cyclictest12566-21sort11:10:122
26668993530,3cyclictest12566-21sort11:10:122
26668993529,4cyclictest33-21ksoftirqd/212:11:542
26668993529,4cyclictest33-21ksoftirqd/211:58:552
26668993529,4cyclictest33-21ksoftirqd/211:43:502
26668993529,4cyclictest33-21ksoftirqd/211:43:492
26668993529,4cyclictest33-21ksoftirqd/209:47:042
26668993529,4cyclictest33-21ksoftirqd/209:03:562
26668993529,4cyclictest33-21ksoftirqd/207:23:392
26668993529,3cyclictest33-21ksoftirqd/210:18:052
26667993530,3cyclictest25-21ksoftirqd/109:25:131
26667993529,4cyclictest25-21ksoftirqd/112:34:321
26667993529,4cyclictest25-21ksoftirqd/110:47:331
26667993529,4cyclictest25-21ksoftirqd/110:30:351
26667993529,4cyclictest25-21ksoftirqd/109:22:481
26666993530,3cyclictest9-21ksoftirqd/010:20:110
26666993530,3cyclictest9-21ksoftirqd/008:30:100
26666993529,4cyclictest9-21ksoftirqd/011:40:340
26666993529,4cyclictest9-21ksoftirqd/011:40:340
26666993529,4cyclictest9-21ksoftirqd/009:18:260
26666993529,3cyclictest9-21ksoftirqd/009:35:110
26669993430,3cyclictest41-21ksoftirqd/310:55:013
26669993429,3cyclictest41-21ksoftirqd/310:17:023
26669993429,3cyclictest41-21ksoftirqd/310:10:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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