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2026-03-17 - 03:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack4slot3.osadl.org (updated Tue Mar 17, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1171828460,4sleep011715-21ls19:09:260
127999915114,67cyclictest1629-21runrttasks21:59:110
127999915114,128cyclictest4485-21chrt22:06:500
127999914914,66cyclictest24323-21basename21:29:100
127999914815,63cyclictest13813-21munin-node00:14:480
127999914814,67cyclictest17074-21munin-node22:44:550
127999914512,66cyclictest10967-21chrt00:06:120
127999914415,61cyclictest396-21chrt21:54:330
127999914315,118cyclictest10087-21munin-node22:24:240
127999914314,66cyclictest3568-21runrttasks22:12:010
127999914214,66cyclictest19839-21missed_timers19:34:360
127999914214,118cyclictest7154-21open_inodes22:14:440
127999914115,30cyclictest582-21nfs_client23:34:390
127999914114,68cyclictest3268-21sshd23:00:300
127999914114,63cyclictest4105-21ls20:24:550
127999914114,63cyclictest11834-21interrupts00:09:240
127999914014,38cyclictest3568-21runrttasks19:16:050
127999914013,68cyclictest18803-21unixbench_singl22:49:560
127999913914,60cyclictest4898-21latency_hist23:49:010
127999913714,59cyclictest15300-21munin-node19:19:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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