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2026-03-24 - 07:11
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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 rack4slot1.osadl.org (updated Mon Mar 23, 2026 19:46:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1406121120,1sleep012-21ksoftirqd/019:31:580
60402690,4sleep30-21swapper/319:11:523
60402690,4sleep30-21swapper/319:11:523
159672460,1sleep215964-21find19:36:592
159672460,1sleep215964-21find19:36:592
6742994023,6cyclictest695-21runrttasks19:31:582
66852380,2sleep15122-21ls19:12:061
66852380,2sleep15122-21ls19:12:061
6740993711,11cyclictest10970-21latency_hist19:26:380
6740993711,11cyclictest10970-21latency_hist19:26:380
6740993426,4cyclictest73-21kswapd019:37:570
6740993426,4cyclictest73-21kswapd019:37:570
6740993315,7cyclictest7193-21latency_hist19:16:370
6740993315,7cyclictest7193-21latency_hist19:16:370
56692335,18sleep25755-21irqstats19:11:472
56692335,18sleep25755-21irqstats19:11:472
6740993221,8cyclictest0-21swapper/019:26:470
6740993221,8cyclictest0-21swapper/019:26:470
6740993119,9cyclictest17827-21/usr/sbin/munin19:41:550
6740993119,9cyclictest17827-21/usr/sbin/munin19:41:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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