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2026-04-16 - 08:58
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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 Thu Apr 16, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591234167,22phc2sys0-21swapper/319:06:163
193472216152,22sleep00-21swapper/019:06:550
192972201167,23sleep10-21swapper/119:06:161
192462201168,22sleep20-21swapper/219:05:362
887921600,6sleep31988799cyclictest23:05:263
285342610,3sleep30-21swapper/321:35:213
138491590,1ptp4l401ktimersoftd/323:55:173
138491560,1ptp4l401ktimersoftd/320:02:313
138491490,1ptp4l391rcuc/319:53:523
19886994531,12cyclictest33-21ksoftirqd/223:00:122
138491450,1ptp4l401ktimersoftd/300:28:283
138491450,0ptp4l401ktimersoftd/300:39:123
138491420,1ptp4l401ktimersoftd/322:11:453
138491420,1ptp4l401ktimersoftd/322:11:453
138491420,0ptp4l401ktimersoftd/320:41:453
19887994124,15cyclictest41-21ksoftirqd/321:05:003
138491410,0ptp4l401ktimersoftd/320:50:173
138491410,0ptp4l401ktimersoftd/319:36:513
138491400,1ptp4l401ktimersoftd/319:13:443
19887993934,3cyclictest41-21ksoftirqd/300:34:593
138491390,1ptp4l401ktimersoftd/321:54:283
19887993832,4cyclictest41-21ksoftirqd/323:48:113
19887993832,4cyclictest41-21ksoftirqd/323:04:593
19887993832,3cyclictest41-21ksoftirqd/319:29:593
19887993826,10cyclictest41-21ksoftirqd/319:20:263
19887993819,16cyclictest41-21ksoftirqd/322:40:013
19886993831,4cyclictest33-21ksoftirqd/223:40:002
138491380,0ptp4l401ktimersoftd/319:30:183
19887993732,3cyclictest41-21ksoftirqd/322:50:013
19887993731,2cyclictest41-21ksoftirqd/323:30:003
19886993731,4cyclictest33-21ksoftirqd/221:40:442
19886993731,4cyclictest33-21ksoftirqd/200:32:522
19885993731,4cyclictest25-21ksoftirqd/120:17:071
19885993731,4cyclictest25-21ksoftirqd/119:36:241
19885993730,5cyclictest25-21ksoftirqd/121:36:191
19887993631,3cyclictest41-21ksoftirqd/321:40:123
19887993631,3cyclictest41-21ksoftirqd/321:00:003
19887993630,4cyclictest41-21ksoftirqd/322:08:223
19887993630,3cyclictest41-21ksoftirqd/322:34:593
19887993629,4cyclictest41-21ksoftirqd/321:45:133
19886993631,3cyclictest33-21ksoftirqd/222:57:242
19886993630,4cyclictest33-21ksoftirqd/222:44:392
19886993630,4cyclictest33-21ksoftirqd/219:54:342
19886993630,4cyclictest33-21ksoftirqd/219:37:132
19885993630,4cyclictest25-21ksoftirqd/122:51:171
19885993630,4cyclictest25-21ksoftirqd/122:44:151
19885993630,4cyclictest25-21ksoftirqd/121:25:391
19885993630,4cyclictest25-21ksoftirqd/121:17:021
19885993630,4cyclictest25-21ksoftirqd/120:54:061
19885993629,5cyclictest25-21ksoftirqd/122:38:491
138491360,0ptp4l401ktimersoftd/300:18:243
19887993532,2cyclictest41-21ksoftirqd/319:50:013
19887993532,2cyclictest41-21ksoftirqd/319:20:003
19887993530,3cyclictest41-21ksoftirqd/320:37:483
19887993530,3cyclictest41-21ksoftirqd/320:19:593
19887993529,4cyclictest41-21ksoftirqd/323:38:163
19887993529,4cyclictest41-21ksoftirqd/300:11:063
19886993531,3cyclictest33-21ksoftirqd/223:52:142
19886993529,4cyclictest33-21ksoftirqd/221:54:542
19886993529,4cyclictest33-21ksoftirqd/221:14:462
19886993529,4cyclictest33-21ksoftirqd/219:10:582
19886993529,4cyclictest33-21ksoftirqd/200:29:272
19885993530,3cyclictest25-21ksoftirqd/100:35:101
19885993529,4cyclictest25-21ksoftirqd/123:53:181
19885993529,4cyclictest25-21ksoftirqd/123:46:561
19885993529,4cyclictest25-21ksoftirqd/123:39:261
19885993529,4cyclictest25-21ksoftirqd/122:55:531
19885993529,4cyclictest25-21ksoftirqd/121:56:081
19885993529,4cyclictest25-21ksoftirqd/121:30:101
19885993529,4cyclictest25-21ksoftirqd/121:03:181
19885993529,4cyclictest25-21ksoftirqd/120:35:331
19885993529,4cyclictest25-21ksoftirqd/119:40:541
19885993529,4cyclictest25-21ksoftirqd/119:23:161
19885993528,5cyclictest25-21ksoftirqd/122:18:431
19885993521,5cyclictest25-21ksoftirqd/123:07:331
19884993530,3cyclictest9-21ksoftirqd/022:05:000
19884993529,4cyclictest9-21ksoftirqd/023:56:430
19884993529,4cyclictest9-21ksoftirqd/000:29:330
19884993528,5cyclictest9-21ksoftirqd/023:10:340
19887993430,3cyclictest41-21ksoftirqd/323:50:183
19887993429,3cyclictest41-21ksoftirqd/322:50:163
19887993429,3cyclictest41-21ksoftirqd/321:25:173
19887993429,3cyclictest41-21ksoftirqd/320:11:033
19887993428,4cyclictest41-21ksoftirqd/321:30:483
19887993428,4cyclictest41-21ksoftirqd/321:18:083
19887993428,4cyclictest41-21ksoftirqd/321:12:383
19887993428,4cyclictest41-21ksoftirqd/319:56:203
19887993428,4cyclictest41-21ksoftirqd/300:22:243
19887993428,3cyclictest41-21ksoftirqd/320:05:173
19886993429,3cyclictest33-21ksoftirqd/200:03:322
19886993428,4cyclictest33-21ksoftirqd/222:52:452
19886993428,4cyclictest33-21ksoftirqd/220:11:192
19886993428,3cyclictest33-21ksoftirqd/223:20:202
19886993428,3cyclictest33-21ksoftirqd/222:46:262
19886993412,19cyclictest27240-21expr23:45:132
19885993429,3cyclictest24381-21cron22:34:591
19885993428,4cyclictest25-21ksoftirqd/123:27:101
19885993428,4cyclictest25-21ksoftirqd/120:08:221
19885993428,4cyclictest25-21ksoftirqd/120:00:311
19885993428,4cyclictest25-21ksoftirqd/119:58:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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