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2026-09-15 - 00:15
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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 Sep 14, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227222432013sleep021146-21kworker/0:106:55:440
240089814865cyclictest5982-21munin-node07:45:410
240089813076cyclictest18704-21sh10:10:460
240089812973cyclictest4805-21sh11:10:470
240089812761cyclictest2659-21sendmail-mta10:16:080
240089812271cyclictest12178-21open_inodes08:05:340
240089812261cyclictest2792-21runrttasks10:05:090
240089812162cyclictest15242-21munin-node08:15:360
240089812070cyclictest30841-21load10:50:410
240089812058cyclictest29628-21nfs_client10:45:520
240089811971cyclictest26060-21cpu07:05:440
240089811957cyclictest7786-21df_inode11:20:450
240089811953cyclictest22949-21munin-node08:40:440
240089811874cyclictest14552-21cstates08:11:050
240089811872cyclictest32292-21cpu07:25:460
240089811871cyclictest6200-21sh09:30:410
240089811863cyclictest7804-21df_inode09:35:440
240089811862cyclictest2792-21runrttasks07:20:480
240089811858cyclictest2792-21runrttasks08:53:560
240089811772cyclictest21492-21idleruntime08:35:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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