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2026-04-08 - 00:55
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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 Tue Apr 07, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237308599298264,21cyclictest2382124-21ntpq07:41:040
237308599284252,21cyclictest2383146-21/usr/sbin/munin07:45:220
243772622680,3chrt2437713-21ntpq11:00:410
240148222530,2sleep02401483-21ld08:50:380
241402822510,3chrt2414025-21ntpq09:35:390
237308599226197,18cyclictest2452999-21kworker/u2:212:00:030
237774922250,3sleep022-21kcompactd007:25:390
237308599221194,17cyclictest2377277-21kworker/u2:107:38:250
237308599213183,19cyclictest2440010-21kworker/u2:111:40:020
237308599212183,18cyclictest2390358-21kworker/u2:208:20:040
237308599212182,19cyclictest2419114-21kworker/u2:110:20:030
246447822100,3sleep02464481-21cut12:36:180
237308599209179,18cyclictest2386127-21kworker/u2:208:00:080
237308599208179,18cyclictest2395445-21kworker/u2:008:40:040
243035922060,2sleep02430361-21grep10:35:080
237345622060,2sleep02373457-21cat07:10:260
237308599206175,19cyclictest2437236-21kworker/u2:011:10:030
243049522040,2sleep02430493-21idleruntime10:35:230
237308599204174,19cyclictest2440010-21kworker/u2:111:20:010
237308599203173,19cyclictest2419114-21kworker/u2:110:05:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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