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2025-07-17 - 14:54
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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 Jul 17, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/01908-21kworker/0:107:01:250
14991320watchdog/017912-21df07:46:200
14991290watchdog/022664-21munin-node08:01:240
14991280watchdog/016184-21mailstats11:11:120
14991270watchdog/03902-21munin-node12:16:200
14991270watchdog/02996-21runrttasks10:48:160
14991250watchdog/015875-21runrttasks07:39:000
14991250watchdog/010110-21aten2.4_r3power07:21:240
2435501020irq/11-eth024655-21telnet08:06:400
14991020watchdog/010212-21aten2.4_r3power10:51:200
14991000watchdog/024765-21expr09:51:440
243550990irq/11-eth06982-21awk10:41:120
1499970watchdog/03735-21latency_hist10:31:000
1499970watchdog/031785-21df08:31:160
1499970watchdog/013172-21munin-node11:01:120
243550960irq/11-eth022324-21munin-node11:31:350
243550960irq/11-eth014062-31mktexlsr07:33:430
1499960watchdog/04483-21if_err_eth008:46:360
1499960watchdog/02996-21runrttasks08:41:120
1499950watchdog/04482-21runrttasks10:31:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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