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2026-05-05 - 07:57
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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 20 highest latencies:
System rackbslot6.osadl.org (updated Tue May 05, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1118821780,4sleep21450299cyclictest01:17:252
1068911050,4ptp4l401ktimersoftd/320:24:483
70472830,2sleep20-21swapper/201:45:042
106891700,10ptp4l401ktimersoftd/301:43:303
106891680,1ptp4l401ktimersoftd/322:38:353
273092630,5sleep341-21ksoftirqd/323:54:483
149282620,2sleep20-21swapper/223:42:102
106891580,1ptp4l401ktimersoftd/323:35:533
106891570,1ptp4l401ktimersoftd/301:19:143
104322570,2sleep00-21swapper/000:44:150
99312540,2sleep00-21swapper/022:30:010
243032540,3sleep27652-21diskmemload00:24:502
216632530,2sleep10-21swapper/120:39:501
14493995144,4cyclictest25-21ksoftirqd/122:24:431
14493995144,4cyclictest25-21ksoftirqd/100:24:461
106891510,1ptp4l401ktimersoftd/301:33:103
106891510,1ptp4l401ktimersoftd/301:33:103
108052460,1sleep00-21swapper/001:49:510
106891460,2ptp4l28731-21kworker/3:023:19:413
106891450,1ptp4l401ktimersoftd/323:03:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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