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2025-12-18 - 10:19
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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 Thu Dec 18, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/0526-21kworker/0:119:05:150
14991300watchdog/03019-21runrttasks19:09:420
14991290watchdog/016796-21runrttasks19:50:420
14991280watchdog/028851-21munin-node00:00:220
14991280watchdog/019048-21df21:44:580
14991230watchdog/0969-21kernelversion20:45:140
14991210watchdog/03461-21munin-node22:39:540
14991200watchdog/015904-21munin-node21:34:540
14991190watchdog/09616-21latency_hist21:14:420
14991180watchdog/031335-21sensors22:24:540
14991180watchdog/03005-21runrttasks22:37:100
14991180watchdog/021261-21cstates23:35:260
14991170watchdog/027172-21needreboot22:10:140
14991170watchdog/013407-21aten2.4-expect23:10:180
14991160watchdog/02591-21timerandwakeup00:20:220
14991160watchdog/010512-21aten2.4_r3power23:00:260
2460501150irq/11-eth03019-21runrttasks20:08:050
14991150watchdog/02023-21df20:49:580
14991140watchdog/06927-21rt-features21:05:060
14991140watchdog/028565-21munin-node22:15:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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