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2025-03-18 - 04:59
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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 50 highest latencies:
System rackdslot3.osadl.org (updated Tue Mar 18, 2025 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191204170,22phc2sys0-21swapper/319:06:063
311802203169,23sleep10-21swapper/119:07:311
310532201168,22sleep20-21swapper/219:05:592
311462200167,22sleep00-21swapper/019:07:090
59298930,72rtkit-daemon0-21swapper/119:10:001
3137128363,11sleep20-21swapper/219:10:012
283752780,2sleep20-21swapper/200:15:202
31665996214,12cyclictest1263-21kworker/2:123:20:272
31666995829,18cyclictest41-21ksoftirqd/323:21:463
31664995034,13cyclictest25-21ksoftirqd/123:40:001
31664995014,7cyclictest25-21ksoftirqd/120:45:011
31664994733,6cyclictest25-21ksoftirqd/123:45:001
31664994717,3cyclictest25-21ksoftirqd/119:30:301
31664994717,3cyclictest25-21ksoftirqd/119:30:301
31666994629,14cyclictest41-21ksoftirqd/300:23:083
31665994639,4cyclictest11293-21cron22:05:012
31665994639,4cyclictest11293-21cron22:05:012
31664994618,3cyclictest25-21ksoftirqd/119:40:251
31664994616,4cyclictest25-21ksoftirqd/100:00:171
31664994616,4cyclictest25-21ksoftirqd/100:00:171
31664994610,6cyclictest25-21ksoftirqd/121:10:011
31664994511,4cyclictest25-21ksoftirqd/122:15:271
31664994412,7cyclictest25-21ksoftirqd/121:40:171
136991440,0ptp4l401ktimersoftd/320:19:563
136991440,0ptp4l401ktimersoftd/319:29:083
31664994329,10cyclictest25-21ksoftirqd/121:55:001
31664994314,3cyclictest25-21ksoftirqd/120:20:151
31664994313,4cyclictest25-21ksoftirqd/100:39:411
31664994313,4cyclictest25-21ksoftirqd/100:39:411
31664994311,4cyclictest25-21ksoftirqd/121:35:151
225352430,1sleep20-21swapper/220:00:232
225352430,1sleep20-21swapper/220:00:222
59298420,7rtkit-daemon0-21swapper/021:10:470
3166499429,8cyclictest25-21ksoftirqd/122:20:291
3166499427,7cyclictest25-21ksoftirqd/120:10:241
31664994214,3cyclictest25-21ksoftirqd/121:50:001
31664994213,4cyclictest25-21ksoftirqd/122:50:101
136991420,0ptp4l401ktimersoftd/323:06:103
3166499417,8cyclictest25-21ksoftirqd/120:35:241
3166499417,4cyclictest25-21ksoftirqd/119:50:201
31664994113,3cyclictest25-21ksoftirqd/122:48:361
31664994111,4cyclictest25-21ksoftirqd/123:04:451
31664994110,8cyclictest25-21ksoftirqd/121:17:551
3166599402,37cyclictest33-21ksoftirqd/223:00:282
3166499409,8cyclictest25-21ksoftirqd/122:10:101
31664994014,8cyclictest25-21ksoftirqd/119:48:281
31664994012,7cyclictest25-21ksoftirqd/119:21:491
31664994012,4cyclictest25-21ksoftirqd/121:58:461
31664994011,4cyclictest25-21ksoftirqd/120:00:291
31664994011,4cyclictest25-21ksoftirqd/120:00:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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