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2025-12-05 - 22:47
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4.osadl.org (updated Fri Dec 05, 2025 12:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3030622630,1sleep128817-21kworker/u8:607:08:371
3005922540,2sleep20-21swapper/207:05:272
3040022530,2sleep328816-21kworker/u8:507:09:463
3049398171161,7cyclictest10-21ksoftirqd/008:32:210
3049398163153,7cyclictest10-21ksoftirqd/012:31:580
3049398163153,7cyclictest10-21ksoftirqd/012:31:570
304939810392,8cyclictest10-21ksoftirqd/011:46:540
30498989992,4cyclictest15740-21kworker/u8:6708:32:201
121802970,2sleep312179-21ssh09:51:203
121802970,2sleep312179-21ssh09:51:203
30493989690,3cyclictest1050ksoftirqd/007:17:350
30498989284,4cyclictest20200-21kworker/u8:2212:31:581
30498989284,4cyclictest20200-21kworker/u8:2212:31:571
30493986555,7cyclictest10-21ksoftirqd/010:16:480
30493985853,3cyclictest1050ksoftirqd/010:32:210
30493985853,3cyclictest1050ksoftirqd/010:32:210
30503985750,4cyclictest15596-21kworker/u8:108:32:213
254982530,3sleep318752-21kworker/u8:011:25:433
30503985143,4cyclictest10452-21kworker/u8:312:31:583
30503985143,4cyclictest10452-21kworker/u8:312:31:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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