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2026-03-15 - 20:39
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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 Sun Mar 15, 2026 12:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2917823440,4sleep129163-21apt-get12:30:191
2327223410,1sleep118871-21kworker/u8:508:35:341
1995823240,1sleep115583-21kworker/u8:4908:25:291
1995823240,1sleep115583-21kworker/u8:4908:25:291
1568623060,1sleep214419-21kworker/u8:512:00:212
1568623060,1sleep214419-21kworker/u8:512:00:202
506723050,1sleep228632-21kworker/u8:311:36:042
2702623040,2sleep20-21swapper/208:47:342
2702623040,2sleep20-21swapper/208:47:332
2500023040,1sleep123620-21kworker/u8:312:20:251
1773123040,2sleep10-21swapper/108:20:071
3101823030,2sleep20-21swapper/211:22:462
3101823030,2sleep20-21swapper/211:22:462
957622960,6sleep119-21ksoftirqd/107:55:141
184322950,2sleep10-21swapper/107:30:301
3212722930,2sleep132119-21ntpq12:35:341
2378322920,2sleep20-21swapper/208:38:012
2249522920,2sleep122480-21ssh12:15:221
2157222910,1sleep115583-21kworker/u8:4908:30:281
1997522910,2sleep20-21swapper/208:25:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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