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2026-08-15 - 05:35
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Sat Aug 15, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/029153-21kworker/0:018:57:330
14991360watchdog/02707-21cron00:22:200
14991250watchdog/021604-21tail23:37:400
14991230watchdog/030053-21runrttasks22:18:200
14991230watchdog/026068-21chrt20:22:280
14991220watchdog/02792-21runrttasks22:33:560
14991210watchdog/02299-21runrttasks19:03:200
14991200watchdog/019740-21munin-plugin-st21:47:200
14991190watchdog/016631-21latency_hist23:22:200
14991190watchdog/011364-21aten2.4_r3power19:33:000
14991180watchdog/0652-21aten2.4_r3power20:43:040
14991170watchdog/02908-21munin-node20:52:320
14991160watchdog/030192-21chrt00:04:520
14991160watchdog/028606-21runrttasks23:59:280
14991120watchdog/01886-21needreboot20:47:520
14991110watchdog/02792-21runrttasks23:16:160
14991100watchdog/04530-21sendmail_mailst19:12:320
14991090watchdog/02792-21runrttasks19:53:000
2234501080irq/11-eth021777-21unixbench_singl21:52:460
14991080watchdog/023795-21aten2.4_r3power23:43:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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