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2025-12-12 - 17:46
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Fri Dec 12, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1050121680,4sleep2637699cyclictest01:46:182
1773911060,4ptp4l401ktimersoftd/320:27:513
6366996963,3cyclictest25-21ksoftirqd/100:13:381
177391690,1ptp4l401ktimersoftd/323:03:463
177391680,10ptp4l401ktimersoftd/300:00:353
7902650,1sleep20-21swapper/201:34:012
61812644,49sleep00-21swapper/020:27:240
306982640,2sleep00-21swapper/001:32:150
227632630,2sleep30-21swapper/301:23:263
6366996254,4cyclictest25-21ksoftirqd/122:28:351
61252624,9sleep10-21swapper/120:26:401
177391610,1ptp4l401ktimersoftd/301:44:323
143932590,4sleep1636699cyclictest21:48:501
143932590,4sleep1636699cyclictest21:48:501
177391570,1ptp4l401ktimersoftd/322:58:163
6366995648,4cyclictest25-21ksoftirqd/100:58:381
177391560,1ptp4l401ktimersoftd/323:25:463
177391560,1ptp4l401ktimersoftd/301:52:383
193942530,2sleep20-21swapper/201:18:482
25172520,2sleep30-21swapper/300:58:573
231282520,3sleep2311rcuc/201:23:412
89012500,4sleep0636299cyclictest21:38:410
6366995039,7cyclictest25-21ksoftirqd/100:38:411
6366994838,5cyclictest25-21ksoftirqd/121:08:331
6366994837,6cyclictest25-21ksoftirqd/121:53:361
6366994737,4cyclictest25-21ksoftirqd/123:28:361
6366994737,4cyclictest25-21ksoftirqd/123:28:361
6366994636,4cyclictest25-21ksoftirqd/123:53:351
6366994633,5cyclictest25-21ksoftirqd/120:53:311
6366994431,5cyclictest25-21ksoftirqd/121:33:331
177391430,1ptp4l401ktimersoftd/301:42:533
6366994234,4cyclictest25-21ksoftirqd/101:33:411
177391410,3ptp4l26552-21kworker/3:022:03:403
6366994029,6cyclictest25-21ksoftirqd/101:18:411
6366993926,7cyclictest25-21ksoftirqd/121:38:351
177391390,1ptp4l401ktimersoftd/301:57:283
177391390,1ptp4l401ktimersoftd/301:07:403
177391390,1ptp4l401ktimersoftd/300:28:423
6366993827,6cyclictest25-21ksoftirqd/100:53:391
177391380,1ptp4l401ktimersoftd/323:29:063
177391380,1ptp4l401ktimersoftd/323:29:063
177391380,1ptp4l401ktimersoftd/323:16:153
177391380,1ptp4l401ktimersoftd/323:03:173
177391380,1ptp4l401ktimersoftd/300:34:193
177391380,1ptp4l401ktimersoftd/300:09:303
6366993724,10cyclictest25-21ksoftirqd/123:18:411
177391370,1ptp4l401ktimersoftd/323:54:323
177391370,1ptp4l401ktimersoftd/323:35:063
177391370,1ptp4l401ktimersoftd/323:18:503
177391370,1ptp4l401ktimersoftd/322:51:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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