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2025-12-12 - 00:16
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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 11, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/025364-21kworker/0:006:51:440
14991310watchdog/022989-21df_inode10:01:550
14991270watchdog/08703-21latency_hist11:01:310
14991250watchdog/031844-21df_inode07:01:550
14991230watchdog/030180-21runrttasks10:25:590
14991220watchdog/025055-21seq10:07:150
14991210watchdog/05679-21df_inode07:21:550
14991210watchdog/027504-21aten2.4_r3power08:31:510
14991210watchdog/01169-21df12:21:510
14991200watchdog/030381-21which12:11:430
14991180watchdog/015393-21nfs_client07:51:590
297709810591cyclictest0-21swapper07:09:570
2435501050irq/11-eth031028-21aten2.4-expect08:42:100
2435501050irq/11-eth010175-21latency_hist07:36:300
2435501000irq/11-eth029506-21aten2.4_r3power08:37:090
2435501000irq/11-eth011148-21cstates09:22:140
14991000watchdog/029584-21latency_hist06:56:310
243550960irq/11-eth02996-21runrttasks09:46:020
243550960irq/11-eth026033-21df_inode08:26:550
243550940irq/11-eth09034-21awk09:16:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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