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2026-06-12 - 08:10
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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 Jun 12, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320502232323sleep32052-21ntp_kernel_pll_19:04:370
3276399267104cyclictest14496-21munin-run22:29:220
3276399254229cyclictest22695-21latency_hist23:04:340
3276399246178cyclictest31404-21sh21:23:400
3276399241215cyclictest3439-21chrt21:41:240
3276399238178cyclictest16529-21ssh22:37:010
3276399237207cyclictest24619-21df20:54:210
3276399236211cyclictest15514-21ssh22:33:000
3276399235206cyclictest7859-21modprobe19:40:150
3276399235205cyclictest1194-21ssh21:33:040
3276399235172cyclictest2936-21netwatch22:54:570
3276399234209cyclictest4998-21munin-node0
3276399233208cyclictest6399-21df_inode21:54:390
3276399232205cyclictest8192-21ssh00:21:500
3276399232169cyclictest2365-21rs:main0
3276399232169cyclictest16666-21df_inode20:19:280
3276399232164cyclictest1585-21/usr/sbin/munin23:54:240
3276399231207cyclictest28524-21sleep23:29:340
3276399231204cyclictest12093-21df_inode00:39:410
3276399231165cyclictest2081-21ssh21:36:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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