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2025-07-12 - 12:54
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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 Sat Jul 12, 2025 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134791205169,24phc2sys0-21swapper/319:08:513
41772203170,22sleep10-21swapper/119:09:101
40992202168,22sleep00-21swapper/019:08:080
40712202167,23sleep20-21swapper/219:07:462
1309521420,6sleep3453899cyclictest21:35:223
100242600,1sleep30-21swapper/319:20:143
134991550,1ptp4l401ktimersoftd/322:03:443
29222520,2sleep00-21swapper/020:10:180
4535995044,3cyclictest1996-21turbostat20:10:000
308952460,1sleep30-21swapper/321:05:253
134991460,38ptp4l0-21swapper/319:10:003
134991430,0ptp4l401ktimersoftd/321:15:013
134991430,0ptp4l401ktimersoftd/300:04:393
130691420,7getstats453899cyclictest20:19:553
4537994136,3cyclictest33-21ksoftirqd/221:20:002
134991410,0ptp4l401ktimersoftd/320:34:373
4538994035,3cyclictest41-21ksoftirqd/322:40:013
4537994036,3cyclictest33-21ksoftirqd/221:40:012
130691400,2getstats0-21swapper/323:55:183
4538993934,3cyclictest41-21ksoftirqd/319:40:003
4537993936,2cyclictest33-21ksoftirqd/221:34:592
4537993935,3cyclictest33-21ksoftirqd/223:15:002
4537993934,3cyclictest33-21ksoftirqd/220:20:002
4537993925,11cyclictest33-21ksoftirqd/221:55:232
453799390,5cyclictest23076-21sed20:50:212
134991390,1ptp4l401ktimersoftd/323:00:113
134991390,0ptp4l401ktimersoftd/321:34:133
4538993833,3cyclictest41-21ksoftirqd/323:10:003
4538993833,2cyclictest41-21ksoftirqd/300:15:003
4538993830,5cyclictest41-21ksoftirqd/323:51:063
4538993830,5cyclictest41-21ksoftirqd/323:51:063
4537993832,2cyclictest33-21ksoftirqd/222:15:002
4538993734,2cyclictest41-21ksoftirqd/323:35:013
4538993731,4cyclictest41-21ksoftirqd/323:27:473
4538993731,4cyclictest41-21ksoftirqd/322:07:273
4537993731,3cyclictest33-21ksoftirqd/200:05:002
4537993731,3cyclictest16346-21cron23:54:592
4537993731,3cyclictest16346-21cron23:54:592
4537993726,10cyclictest33-21ksoftirqd/223:35:292
4537993723,12cyclictest33-21ksoftirqd/223:00:492
4536993731,4cyclictest25-21ksoftirqd/120:38:071
4536993731,4cyclictest25-21ksoftirqd/120:38:071
130691370,2getstats0-21swapper/320:09:553
4538993631,3cyclictest41-21ksoftirqd/322:48:393
4538993631,3cyclictest41-21ksoftirqd/320:05:003
4538993631,3cyclictest41-21ksoftirqd/319:45:223
4538993631,2cyclictest41-21ksoftirqd/321:30:003
4538993630,4cyclictest41-21ksoftirqd/323:20:523
4538993629,4cyclictest41-21ksoftirqd/320:13:463
4538993622,5cyclictest41-21ksoftirqd/320:50:213
4537993631,3cyclictest33-21ksoftirqd/200:35:152
4537993631,2cyclictest33-21ksoftirqd/219:30:002
4537993630,4cyclictest33-21ksoftirqd/222:51:352
4537993630,3cyclictest33-21ksoftirqd/219:40:232
4537993625,9cyclictest33-21ksoftirqd/223:30:252
4536993630,4cyclictest25-21ksoftirqd/123:52:281
4536993630,4cyclictest25-21ksoftirqd/123:52:281
4536993630,4cyclictest25-21ksoftirqd/123:05:021
4536993630,4cyclictest25-21ksoftirqd/123:01:291
4536993630,4cyclictest25-21ksoftirqd/121:33:111
4536993630,4cyclictest25-21ksoftirqd/120:23:191
4536993629,4cyclictest25-21ksoftirqd/121:05:021
4535993629,4cyclictest9-21ksoftirqd/022:19:240
4535993629,4cyclictest9-21ksoftirqd/019:15:060
4538993531,3cyclictest41-21ksoftirqd/320:55:193
4538993530,3cyclictest41-21ksoftirqd/322:33:153
4538993530,3cyclictest41-21ksoftirqd/322:20:003
4538993530,3cyclictest41-21ksoftirqd/319:54:313
4538993530,3cyclictest41-21ksoftirqd/319:40:233
4538993530,3cyclictest41-21ksoftirqd/319:30:003
4538993530,2cyclictest41-21ksoftirqd/323:40:183
4538993529,4cyclictest41-21ksoftirqd/321:56:513
4538993529,4cyclictest41-21ksoftirqd/300:06:023
4537993530,3cyclictest33-21ksoftirqd/222:19:582
4537993530,3cyclictest33-21ksoftirqd/221:05:192
4537993530,3cyclictest33-21ksoftirqd/220:45:262
4537993530,3cyclictest33-21ksoftirqd/219:30:132
4537993529,3cyclictest33-21ksoftirqd/220:00:002
4537993528,4cyclictest33-21ksoftirqd/223:27:142
4536993529,4cyclictest25-21ksoftirqd/121:46:591
4536993529,4cyclictest25-21ksoftirqd/119:52:091
4536993529,4cyclictest25-21ksoftirqd/100:28:101
4536993529,3cyclictest25-21ksoftirqd/120:11:111
4536993528,4cyclictest25-21ksoftirqd/120:16:211
4535993529,4cyclictest9-21ksoftirqd/023:22:100
4535993529,4cyclictest9-21ksoftirqd/020:51:020
4535993529,4cyclictest9-21ksoftirqd/019:48:150
4535993529,4cyclictest9-21ksoftirqd/019:38:040
4538993429,3cyclictest41-21ksoftirqd/323:10:223
4538993429,3cyclictest41-21ksoftirqd/321:10:193
4538993429,3cyclictest41-21ksoftirqd/321:04:593
4538993429,3cyclictest41-21ksoftirqd/320:44:493
4538993428,4cyclictest41-21ksoftirqd/323:38:503
4538993428,4cyclictest41-21ksoftirqd/322:51:083
4538993428,4cyclictest41-21ksoftirqd/322:11:163
4538993428,4cyclictest41-21ksoftirqd/320:36:083
4538993428,4cyclictest41-21ksoftirqd/320:36:083
4538993427,4cyclictest41-21ksoftirqd/323:46:563
4538993422,10cyclictest41-21ksoftirqd/320:45:283
4537993430,3cyclictest33-21ksoftirqd/220:30:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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