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2026-08-04 - 00:49
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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 Mon Aug 03, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140120ksoftirqd/04649-21kworker/0:106:58:340
14991380watchdog/011020-21munin-node07:18:410
14991310watchdog/08473-21df_inode08:53:290
14991310watchdog/02792-21runrttasks08:22:250
14991270watchdog/03154-21runrttasks08:36:010
14991260watchdog/017147-21runrttasks11:07:170
14991250watchdog/025144-21open_inodes09:48:170
14991240watchdog/06771-21runrttasks12:18:250
14991210watchdog/06749-21unixbench_singl07:03:290
14991200watchdog/016288-21chrt07:33:290
2234501050irq/11-eth01925-21mailstats10:18:160
2234501010irq/11-eth012080-21ls09:03:490
806501000irq/14-ide018823-21latency_hist09:28:060
223450970irq/11-eth030036-21df_inode10:03:290
1499970watchdog/09486-21sendmail_mailtr07:13:170
1499970watchdog/0252042sleep011:33:210
1499960watchdog/031952-21aten2.4_r3power08:23:410
1499960watchdog/02792-21runrttasks10:55:130
1499950watchdog/09280-21runrttasks07:12:370
1499950watchdog/017751-21df_inode07:38:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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