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2025-11-06 - 16:42
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Thu Nov 06, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
410428322720,2sleep04104284-21gcc11:40:500
405640522710,4chrt4056402-21ssh09:16:290
405401422660,2sleep04054015-21munin-plugin-st09:10:000
403370222410,2chrt4033698-21ntpq07:56:030
411104722400,3chrt4111045-21ssh12:01:110
412220222320,3chrt4122201-21find12:35:130
405254922270,3chrt4052550-21sshd09:04:270
407479622190,3sleep04074797-21basename10:11:480
408958522090,2sleep04089587-21uname10:56:480
404294922020,3sleep04042951-21sort08:30:070
412028021990,2sleep04120281-21sshd12:29:280
402047299193136,47cyclictest29-21kswapd007:37:320
404456321920,3sleep04044564-21/usr/sbin/munin08:35:270
410072621850,3sleep04100728-21if_wlan011:30:280
406820621840,4chrt4068208-21mailstats09:51:480
407797121830,2sleep04077972-21gcc10:21:400
402047299178146,21cyclictest4029524-21ntpq07:41:020
412194021770,3chrt4121938-21sshd12:34:280
411886321770,3chrt4118866-21wc12:25:100
402047299176144,21cyclictest4077209-21lockfile-create10:20:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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