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2026-09-24 - 05:31
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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 Thu Sep 24, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911000,34ptp4l401ktimersoftd/321:46:293
209622860,2sleep30-21swapper/302:49:483
154232750,5sleep115414-21phc2sys-jitter01:38:201
106891750,1ptp4l401ktimersoftd/301:21:573
14962690,4sleep341-21ksoftirqd/301:23:443
106891670,1ptp4l401ktimersoftd/302:59:013
88662664,10sleep00-21swapper/021:45:120
119502660,2sleep00-21swapper/022:58:110
249852640,2sleep20-21swapper/200:08:392
106891590,1ptp4l401ktimersoftd/301:35:583
106891570,1ptp4l401ktimersoftd/301:07:423
106891560,1ptp4l401ktimersoftd/302:18:443
106891560,1ptp4l401ktimersoftd/300:18:473
51762540,1sleep35178-21rm02:01:503
51762540,1sleep35178-21rm02:01:503
56122520,2sleep10-21swapper/100:23:121
106891510,1ptp4l401ktimersoftd/300:16:303
106891510,1ptp4l401ktimersoftd/300:16:303
255372500,2sleep30-21swapper/301:48:293
106891480,1ptp4l401ktimersoftd/301:44:003
889224120,9sleep10-21swapper/121:45:341
106891400,1ptp4l401ktimersoftd/323:46:363
106891400,0ptp4l401ktimersoftd/323:55:333
9180993814,21cyclictest16285-21expr23:08:102
9180993813,21cyclictest27526-21sh01:51:212
106891380,1ptp4l401ktimersoftd/322:18:113
106891380,1ptp4l401ktimersoftd/303:10:313
106891380,1ptp4l401ktimersoftd/302:53:013
106891380,1ptp4l401ktimersoftd/302:08:043
106891380,1ptp4l401ktimersoftd/302:07:483
106891380,1ptp4l401ktimersoftd/301:11:393
106891380,1ptp4l401ktimersoftd/300:34:053
106891380,1ptp4l401ktimersoftd/300:03:153
106891380,0ptp4l401ktimersoftd/321:48:053
106891380,0ptp4l401ktimersoftd/300:49:263
918099372,5cyclictest0-21swapper/223:03:062
9180993712,22cyclictest4918-21expr01:28:172
9180993712,22cyclictest4062-21cat02:33:162
106891370,2ptp4l27275-21kworker/3:123:28:253
106891370,1ptp4l401ktimersoftd/323:50:203
106891370,1ptp4l401ktimersoftd/322:33:103
106891370,1ptp4l401ktimersoftd/321:55:533
106891370,1ptp4l401ktimersoftd/303:17:543
106891370,1ptp4l401ktimersoftd/303:06:573
106891370,1ptp4l401ktimersoftd/302:44:203
106891370,1ptp4l401ktimersoftd/302:40:013
106891370,1ptp4l401ktimersoftd/302:35:103
106891370,1ptp4l401ktimersoftd/302:13:293
106891370,1ptp4l401ktimersoftd/301:30:553
106891370,1ptp4l401ktimersoftd/300:58:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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