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2026-04-12 - 12:52
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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 Sun Apr 12, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/08082-21kworker/0:118:57:200
14991270watchdog/015033-21chrt20:31:560
14991260watchdog/023212-21df_inode19:12:280
14991240watchdog/032609-21munin-node21:27:360
14991230watchdog/07609-21df21:52:240
14991230watchdog/012447-21unixbench_singl22:07:320
14991220watchdog/03019-21runrttasks21:07:120
14991200watchdog/027539-21munin-node21:12:480
14991180watchdog/018204-21munin-node00:12:240
14991170watchdog/01574-21unixbench_singl23:17:320
14991160watchdog/010933-21unixbench_singl20:17:320
14991150watchdog/08201-21munin-node20:07:520
14991150watchdog/03019-21runrttasks00:00:480
14991150watchdog/013082-21seq20:23:280
14991140watchdog/09554-21needreboot21:57:400
14991140watchdog/03019-21runrttasks23:54:120
14991130watchdog/03019-21runrttasks19:55:440
14991120watchdog/019796-21mailstats00:17:200
14991120watchdog/016530-21latency_hist00:07:080
823501100irq/14-ide015462-21df_inode22:17:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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