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2026-06-07 - 20:05
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot6.osadl.org (updated Sun Jun 07, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911010,3ptp4l401ktimersoftd/308:46:033
106891740,1ptp4l401ktimersoftd/311:36:363
25730997157,6cyclictest33-21ksoftirqd/213:33:172
29392670,4sleep22573099cyclictest12:08:282
250112650,2sleep00-21swapper/010:53:140
291062630,4sleep22573099cyclictest13:08:272
114172630,2sleep00-21swapper/011:12:340
245502604,43sleep20-21swapper/208:43:202
25730995845,6cyclictest33-21ksoftirqd/213:38:162
106891580,1ptp4l401ktimersoftd/313:01:373
25730995745,4cyclictest33-21ksoftirqd/210:08:092
106891570,10ptp4l401ktimersoftd/314:09:533
25730995644,5cyclictest33-21ksoftirqd/211:38:132
106891560,1ptp4l401ktimersoftd/310:35:253
44182540,2sleep00-21swapper/010:13:280
25730995443,5cyclictest33-21ksoftirqd/210:18:112
25730995443,5cyclictest33-21ksoftirqd/210:18:112
106891540,1ptp4l401ktimersoftd/312:38:563
272582530,1sleep00-21swapper/008:48:210
25730995341,5cyclictest33-21ksoftirqd/212:48:162
134512520,2sleep00-21swapper/009:27:590
25730995140,4cyclictest33-21ksoftirqd/213:28:162
25730994938,5cyclictest33-21ksoftirqd/212:23:162
25730994721,3cyclictest33-21ksoftirqd/210:53:012
25724994642,2cyclictest0-21swapper/108:47:581
106891460,1ptp4l401ktimersoftd/311:01:433
25730994531,6cyclictest33-21ksoftirqd/210:23:122
106891450,2ptp4l6397-21kworker/3:214:16:003
106891440,2ptp4l8448-21kworker/3:010:54:373
106891430,1ptp4l401ktimersoftd/310:28:423
106891400,1ptp4l401ktimersoftd/312:28:283
106891390,2ptp4l6397-21kworker/3:212:24:333
106891390,1ptp4l401ktimersoftd/313:36:083
106891390,1ptp4l401ktimersoftd/312:35:293
25730993832,3cyclictest33-21ksoftirqd/210:38:012
25730993825,11cyclictest33-21ksoftirqd/211:24:492
235922380,2sleep10-21swapper/111:23:311
106891380,1ptp4l401ktimersoftd/313:45:383
106891380,1ptp4l401ktimersoftd/313:41:243
106891380,1ptp4l401ktimersoftd/312:08:063
106891380,1ptp4l401ktimersoftd/311:32:553
106891380,1ptp4l401ktimersoftd/311:19:523
25730993731,3cyclictest33-21ksoftirqd/212:18:142
25730993725,6cyclictest33-21ksoftirqd/209:53:132
25730993724,3cyclictest33-21ksoftirqd/211:33:242
106891370,1ptp4l401ktimersoftd/313:53:353
106891370,1ptp4l401ktimersoftd/313:24:543
106891370,1ptp4l401ktimersoftd/313:17:293
106891370,1ptp4l401ktimersoftd/313:12:473
106891370,1ptp4l401ktimersoftd/312:49:193
106891370,1ptp4l401ktimersoftd/312:19:413
106891370,1ptp4l401ktimersoftd/312:07:593
106891370,1ptp4l401ktimersoftd/311:45:383
106891370,1ptp4l401ktimersoftd/311:42:313
106891370,1ptp4l401ktimersoftd/311:13:433
106891370,1ptp4l401ktimersoftd/311:08:443
106891370,1ptp4l401ktimersoftd/310:50:593
106891370,0ptp4l401ktimersoftd/314:05:193
106891370,0ptp4l401ktimersoftd/314:01:203
294012360,2sleep00-21swapper/009:58:220
25730993629,4cyclictest33-21ksoftirqd/211:28:032
25730993625,9cyclictest33-21ksoftirqd/213:13:152
106891360,1ptp4l401ktimersoftd/313:30:493
106891360,1ptp4l401ktimersoftd/313:19:493
106891360,1ptp4l401ktimersoftd/312:54:073
106891360,1ptp4l401ktimersoftd/312:13:473
106891360,1ptp4l401ktimersoftd/311:59:503
106891360,1ptp4l401ktimersoftd/309:02:203
106891360,1ptp4l401ktimersoftd/308:57:533
2573099355,5cyclictest121rcu_preempt09:58:192
25730993529,3cyclictest33-21ksoftirqd/208:52:582
25730993524,3cyclictest33-21ksoftirqd/212:33:192
25730993522,10cyclictest33-21ksoftirqd/209:13:282
106891350,2ptp4l20320-21kworker/3:109:46:283
106891350,1ptp4l401ktimersoftd/311:07:383
106891350,0ptp4l401ktimersoftd/311:52:543
2573099348,7cyclictest33-21ksoftirqd/213:53:052
2573099348,7cyclictest33-21ksoftirqd/213:53:052
2573099343,10cyclictest33-21ksoftirqd/209:08:202
25730993427,4cyclictest33-21ksoftirqd/210:13:152
2573099341,3cyclictest121rcu_preempt11:07:512
2573099340,7cyclictest121rcu_preempt12:48:042
2573099340,3cyclictest121rcu_preempt14:14:332
2573099340,3cyclictest121rcu_preempt11:08:562
106891340,2ptp4l8448-21kworker/3:010:42:023
106891340,1ptp4l401ktimersoftd/313:50:083
106891340,1ptp4l401ktimersoftd/313:50:083
106891340,1ptp4l401ktimersoftd/313:05:453
106891340,1ptp4l401ktimersoftd/309:33:293
2573099338,4cyclictest33-21ksoftirqd/210:53:022
25730993328,3cyclictest33-21ksoftirqd/213:03:212
25730993328,3cyclictest33-21ksoftirqd/212:18:032
25730993327,3cyclictest33-21ksoftirqd/211:13:172
25730993327,3cyclictest33-21ksoftirqd/210:43:172
25730993317,3cyclictest33-21ksoftirqd/212:31:472
2573099331,3cyclictest121rcu_preempt11:45:452
2573099330,3cyclictest121rcu_preempt13:55:282
2573099330,3cyclictest121rcu_preempt11:51:392
2573099330,2cyclictest121rcu_preempt11:21:312
2572099330,3cyclictest121rcu_preempt11:53:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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