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2026-08-03 - 10:18
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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 rack4slot2.osadl.org (updated Mon Aug 03, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502110,0irq/45-4a10000026330-21kworker/0:419:05:240
294659913050,0cyclictest7350irq/45-4a10000022:39:060
294659913043,0cyclictest30850-21/usr/sbin/munin22:19:170
294659912945,0cyclictest30193-21/usr/sbin/munin19:09:040
294659912741,0cyclictest22237-21/usr/sbin/munin20:19:020
294659912644,0cyclictest1747-21/usr/sbin/munin22:29:120
294659912635,0cyclictest11891-21chrt22:59:020
294659912633,0cyclictest32466-21chrt20:48:590
294659912334,0cyclictest14658-21sendmail-msp19:58:120
294659912237,0cyclictest0-21swapper21:03:560
294659912151,0cyclictest7350irq/45-4a10000000:19:060
294659912138,0cyclictest870-21latency_hist00:03:110
294659912134,0cyclictest31767-21cat20:48:100
294659912133,0cyclictest11900-21ntp_states00:34:050
294659912126,0cyclictest15071-21seq19:58:320
294659912045,0cyclictest6673-21/usr/sbin/munin21:08:460
294659912039,0cyclictest2197-21uptime19:19:190
294659912038,0cyclictest32320-21fschecks_time19:14:080
294659912034,0cyclictest10189-21/usr/sbin/munin19:43:510
294659912033,0cyclictest5734-21runrttasks19:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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