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2026-06-18 - 04:25
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Thu Jun 18, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198369939103789,0cyclictest28961-21chrt00:00:170
1983699360346,0cyclictest0-21swapper23:19:120
198369929852876,0cyclictest0-21swapper20:54:140
19836992917640,0cyclictest0-21swapper23:01:250
19836992889797,0cyclictest0-21swapper23:59:130
19836992806287,0cyclictest31455-1kworker/0:0H19:24:170
19836992605251,0cyclictest31455-1kworker/0:0H21:59:170
19836992585498,0cyclictest9-21ksoftirqd/020:44:180
19836992510568,0cyclictest9-21ksoftirqd/020:54:180
19836992508289,0cyclictest31455-1kworker/0:0H20:09:210
19836992489264,0cyclictest31455-1kworker/0:0H19:09:220
19836992470299,0cyclictest31455-1kworker/0:0H00:04:170
19836992466610,0cyclictest1677-21latency_hist19:39:170
19836992466204,0cyclictest31455-1kworker/0:0H23:34:180
19836992457609,0cyclictest15924-21latency_hist23:24:170
19836992453492,0cyclictest9-21ksoftirqd/022:04:180
19836992450678,0cyclictest21263-21munin-node20:34:180
19836992449290,0cyclictest31455-1kworker/0:0H21:24:190
19836992438678,0cyclictest13699-21munin-node21:44:180
19836992378638,0cyclictest1595-21jbd2/hda3-823:04:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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