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2026-09-12 - 01:18
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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 Fri Sep 11, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
742199263234cyclictest7304-21wc09:26:310
742199262233cyclictest9831-21cat11:58:060
74219925870cyclictest14576-21ls09:57:090
742199258231cyclictest1606-21ssh11:22:400
742199258230cyclictest23658-21ssh10:36:550
742199258230cyclictest11987-21sh09:46:150
742199256229cyclictest15764-21sed10:02:150
742199256228cyclictest32045-21apt-get11:13:520
742199256227cyclictest16574-21/usr/sbin/munin07:46:260
742199256223cyclictest29890-21ssh11:03:310
742199255227cyclictest16220-21grep12:27:000
742199255223cyclictest18228-21sort07:52:260
742199254229cyclictest8192-21awk11:51:330
742199254229cyclictest18297-21diskmemload12:36:240
742199254223cyclictest9309-21sh11:56:290
742199254186cyclictest20741-21ifplugd10:17:460
74219925368cyclictest2979-21gvfsd-trash10:22:490
74219925353cyclictest7517-21df_inode09:27:130
742199253228cyclictest17127-21munin-run12:31:160
742199253225cyclictest2486-21diskmemload09:16:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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