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2025-12-29 - 12:53
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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 Mon Dec 29, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
426321750,4sleep11735499cyclictest22:59:411
1553621630,3sleep21736299cyclictest21:59:362
1924121560,5sleep21736299cyclictest19:19:342
3273921520,5sleep31737199cyclictest00:45:593
1068911050,4ptp4l401ktimersoftd/319:18:593
106891710,1ptp4l401ktimersoftd/323:20:513
326862700,4sleep032684-21irqrtprio00:09:300
171192674,10sleep00-21swapper/019:17:280
106891670,1ptp4l401ktimersoftd/320:04:293
106891650,1ptp4l401ktimersoftd/320:39:333
112322640,4sleep311195-21ssh21:54:393
325452610,2sleep20-21swapper/221:43:462
207932610,2sleep10-21swapper/100:33:281
172262594,10sleep20-21swapper/219:18:512
106891590,1ptp4l401ktimersoftd/323:32:323
106891570,1ptp4l401ktimersoftd/321:27:333
36422550,2sleep20-21swapper/219:54:272
106891550,1ptp4l401ktimersoftd/321:51:433
291212530,5sleep31737199cyclictest22:14:393
259352520,2sleep30-21swapper/300:02:143
106891520,1ptp4l401ktimersoftd/322:06:453
17354995021,10cyclictest25-21ksoftirqd/122:20:081
106891500,1ptp4l401ktimersoftd/323:58:053
17354994921,9cyclictest25-21ksoftirqd/122:26:541
17354994920,9cyclictest25-21ksoftirqd/121:24:581
1735499484,7cyclictest15958-21chrt22:37:171
17354994820,10cyclictest25-21ksoftirqd/100:22:491
17354994719,5cyclictest25-21ksoftirqd/123:09:501
17354994719,11cyclictest25-21ksoftirqd/123:05:231
17354994719,11cyclictest25-21ksoftirqd/121:57:551
17354994620,9cyclictest25-21ksoftirqd/119:59:231
17354994619,10cyclictest25-21ksoftirqd/122:52:081
17354994619,10cyclictest25-21ksoftirqd/122:52:081
17354994610,5cyclictest25-21ksoftirqd/120:35:071
17354994517,10cyclictest25-21ksoftirqd/100:17:111
17354994418,6cyclictest25-21ksoftirqd/100:44:521
17354994418,10cyclictest25-21ksoftirqd/122:06:461
17354994417,8cyclictest25-21ksoftirqd/122:57:171
17354994417,8cyclictest25-21ksoftirqd/122:57:171
106891440,2ptp4l14205-21kworker/3:023:39:363
106891440,1ptp4l401ktimersoftd/322:23:133
1735499436,7cyclictest14288-21rm21:22:291
17354994320,11cyclictest25-21ksoftirqd/122:39:221
17354994317,9cyclictest25-21ksoftirqd/122:45:361
17354994317,9cyclictest25-21ksoftirqd/122:45:361
17354994316,10cyclictest25-21ksoftirqd/122:03:201
1735499423,6cyclictest25-21ksoftirqd/119:49:361
17354994217,9cyclictest25-21ksoftirqd/100:28:101
17354994216,9cyclictest25-21ksoftirqd/121:47:431
17354994216,10cyclictest25-21ksoftirqd/122:10:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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