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2026-03-22 - 17:40
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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 Sun Mar 22, 2026 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294057599377343,22cyclictest2949612-21ntpq07:41:030
294057599293264,18cyclictest2948956-21kworker/u2:407:40:010
301779722600,4chrt3017785-21ntpq11:46:020
302562222560,3chrt3025623-21latency_hist12:15:070
294556922500,2sleep02945571-21grep07:26:210
299778822490,3chrt2997789-21latency_hist10:35:070
297598022430,3chrt2975968-21ntpq09:15:480
294057599242207,23cyclictest2950640-21awk07:45:240
296880622410,3sleep02968808-21grep08:50:270
298842922290,3chrt2988426-21ntpq10:00:300
294057599206175,19cyclictest2982430-21kworker/u2:210:00:040
294057599202171,20cyclictest2996894-21kworker/u2:211:20:040
294057599201174,18cyclictest2994946-21kworker/u2:010:30:050
294057599197166,20cyclictest2996894-21kworker/u2:211:15:040
294057599196165,19cyclictest2948956-21kworker/u2:408:00:130
294057599195165,19cyclictest2996894-21kworker/u2:211:00:070
294057599195164,20cyclictest3026022-21kworker/u2:212:35:080
297471121940,3chrt2974710-21ld09:11:160
294057599191161,19cyclictest2982430-21kworker/u2:210:15:030
294057599190161,19cyclictest3026022-21kworker/u2:212:35:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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