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2025-12-11 - 13:16
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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 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140130ksoftirqd/029394-21kworker/0:018:51:460
14991280watchdog/08094-21cpu22:41:570
14991260watchdog/011382-21runrttasks21:07:010
14991250watchdog/026327-21sed23:41:330
14991230watchdog/031026-21mailstats23:56:450
14991230watchdog/027045-21aten2.4_r3power20:12:130
14991230watchdog/018908-21df_inode21:31:530
14991210watchdog/010262-21aten2.4_r3power21:02:170
14991170watchdog/05414-21cpuspeed19:02:090
14991160watchdog/017145-21sendmail_mailst23:11:450
14991150watchdog/013187-21sh19:27:130
14991130watchdog/015562-21mailstats19:36:410
14991130watchdog/01483-21latency_hist20:36:330
2435501120irq/11-eth02931-21munin-node00:21:440
14991110watchdog/02996-21runrttasks19:00:170
14991110watchdog/023932-21stty21:47:090
838501100irq/14-ide011043-21df22:51:510
14991090watchdog/07824-21munin-node20:57:010
14991090watchdog/076902chrt19:11:210
838501080irq/14-ide013879-21latency_hist23:01:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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