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2026-09-13 - 05:16
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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 Sun Sep 13, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/013671-21kworker/0:118:55:390
165139812151cyclictest28427-21aten2.4_r3power21:21:150
165139812057cyclictest18441-21swap22:35:480
165139812049cyclictest16508-21munin-node19:00:300
14991190watchdog/06481-21nfs_client20:10:590
14991190watchdog/02792-21runrttasks22:57:270
165139811753cyclictest26643-21aten2.4-expect21:16:010
165139811650cyclictest9666-21aten2.4_r3power20:21:030
165139811550cyclictest32628-21nfs_client21:35:570
14991150watchdog/022209-21aten2.4_r3power22:46:150
14991150watchdog/010747-21munin-node20:25:470
165139811455cyclictest27178-21runrttasks19:33:140
165139811452cyclictest9972-21runrttasks23:52:070
165139811451cyclictest4881-21nfs_client21:50:580
165139811450cyclictest2792-21runrttasks23:34:180
165139811351cyclictest18721-21aten2.4_r3power20:50:560
165139811350cyclictest10496-21munin-node23:55:460
165139811348cyclictest23194-21cpu19:20:500
165139811347cyclictest1574-21df_inode21:40:510
165139811340cyclictest16936-21df_inode00:15:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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