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2026-03-19 - 02:57
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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 Thu Mar 19, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1407921810,5sleep22416999cyclictest23:03:552
1068911020,3ptp4l401ktimersoftd/320:00:573
171132750,2sleep10-21swapper/100:45:321
24162997259,5cyclictest25-21ksoftirqd/100:08:421
265182690,2sleep00-21swapper/000:23:180
196662600,3sleep10-21swapper/101:20:121
24162995947,5cyclictest25-21ksoftirqd/121:13:391
317272580,1sleep30-21swapper/323:23:033
314702580,2sleep10-21swapper/123:54:001
106891580,1ptp4l401ktimersoftd/322:25:233
106891580,1ptp4l401ktimersoftd/322:25:233
24162995744,6cyclictest25-21ksoftirqd/121:48:411
106891560,1ptp4l401ktimersoftd/300:33:343
193012550,1sleep00-21swapper/001:19:350
119812550,4sleep22416999cyclictest00:40:112
24173995423,7cyclictest41-21ksoftirqd/322:13:463
106891540,1ptp4l401ktimersoftd/301:31:043
267082530,2sleep30-21swapper/323:49:013
24162995341,5cyclictest25-21ksoftirqd/120:08:381
24173995021,5cyclictest41-21ksoftirqd/323:48:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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