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2026-09-21 - 17:52
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot3.osadl.org (updated Mon Sep 21, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17255236625sleep17254-21swap07:01:550
1772599277257cyclictest76892sleep11:05:190
1772599261135cyclictest22027-21munin-run09:46:080
1772599259131cyclictest7198-1kworker/0:1H10:43:290
177259925590cyclictest366-21entropy08:11:340
1772599254126cyclictest20980-21netwatch07:18:380
1772599253128cyclictest19648-21kernelversion11:57:520
1772599253123cyclictest13171-21sh09:06:520
177259925086cyclictest26611-21sh12:28:270
1772599250123cyclictest25860-21/usr/sbin/munin12:26:250
1772599249131cyclictest31155-21ping08:03:000
1772599249123cyclictest31362-21grep10:27:010
1772599249122cyclictest15440-21runrttasks11:39:160
177259924883cyclictest6129-21cpu08:36:140
1772599248116cyclictest18119-21df_inode11:51:400
177259924784cyclictest17420-21sh09:25:380
1772599247122cyclictest4810-21ssh10:52:210
1772599247121cyclictest21914-21grep07:22:540
1772599246121cyclictest4423-21sleep10:51:110
177259924586cyclictest26877-21runrttasks10:07:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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