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2026-06-02 - 05:17
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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 Tue Jun 02, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30452266922sleep30455-21cpu19:04:230
3155999278113cyclictest19982-21latency_hist20:39:310
3155999274252cyclictest121652sleep22:26:170
3155999270240cyclictest14258-21latency_hist20:14:320
3155999258111cyclictest7904-21ssh00:30:210
3155999257110cyclictest20308-1kworker/0:2H00:23:110
3155999255107cyclictest26764-1diskmemload21:35:470
3155999253124cyclictest20308-1kworker/0:2H22:40:430
3155999253120cyclictest29154-21netwatch23:41:080
315599925286cyclictest25939-21diskmemload23:27:040
3155999252125cyclictest634-21netwatch23:59:150
3155999252121cyclictest5608-21sh21:57:450
3155999251122cyclictest3431-21runrttasks21:48:220
3155999251119cyclictest18155-21grep20:30:320
315599925088cyclictest28756-21netwatch21:17:150
3155999250117cyclictest4277-21missed_timers19:30:230
315599924998cyclictest32482-21munin-run21:34:170
315599924967cyclictest30617-21fw_packets21:25:340
3155999249126cyclictest30390-21latency_hist21:24:530
3155999248123cyclictest10908-21sh22:20:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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