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2025-11-02 - 14:02
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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 rackaslot6.osadl.org (updated Mon Oct 27, 2025 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3843483997360,733cyclictest1910-21snmpd20:27:103
3843480996461,642cyclictest34-21rcuc/222:51:002
3843480991590,156cyclictest255-21systemd-journal19:49:252
3843483991411,137cyclictest815-21snmpd23:54:433
384348399780,75cyclictest1430-21munin-node22:32:343
384348399780,75cyclictest1430-21munin-node22:32:343
384347699494,21cyclictest1430-21munin-node20:25:170
384347699427,17cyclictest0-21swapper/019:35:040
384347699421,13cyclictest0-21swapper/023:45:220
384347699421,13cyclictest0-21swapper/023:45:220
384347699360,24cyclictest0-21swapper/021:10:410
384347699358,12cyclictest3872622-21fschecks_time20:35:160
3843476993516,5cyclictest3942132-21unixbench_multi00:00:240
384347699351,18cyclictest0-21swapper/021:45:150
3843476993421,11cyclictest3901988-21idleruntime-cro22:05:000
384347699337,10cyclictest0-21swapper/000:25:030
384348499319,18cyclictest3846729-21grep19:15:274
384347699315,3cyclictest3953086-21fschecks_time00:35:190
3843476993116,4cyclictest3900324-21idleruntime-cro22:00:000
3843484993024,4cyclictest3866884-21cron20:19:594
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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