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2026-03-10 - 22:11
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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 Mar 10, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2985221460,4sleep12435499cyclictest10:44:001
2346321090,5sleep20-21swapper/207:54:082
1068911000,4ptp4l401ktimersoftd/307:54:163
284282810,2sleep10-21swapper/111:48:161
290292640,2sleep00-21swapper/010:09:140
24354996421,7cyclictest25-21ksoftirqd/109:38:461
240862634,9sleep00-21swapper/007:56:420
128062600,1sleep2311rcuc/210:59:072
240972564,38sleep10-21swapper/107:56:511
106891560,1ptp4l401ktimersoftd/310:40:083
24359995314,7cyclictest33-21ksoftirqd/208:53:342
117292520,2sleep10-21swapper/110:24:171
24364995118,10cyclictest41-21ksoftirqd/310:55:483
24359995113,7cyclictest33-21ksoftirqd/209:03:102
24359995011,7cyclictest33-21ksoftirqd/208:33:152
2435499502,7cyclictest25-21ksoftirqd/113:11:151
2436499489,6cyclictest41-21ksoftirqd/311:34:133
2436499488,6cyclictest41-21ksoftirqd/308:34:083
2436499485,7cyclictest20129-21/usr/sbin/munin13:18:513
2436499485,7cyclictest13717-21cstates12:39:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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