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2025-05-09 - 06:05
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackbslot2.osadl.org (updated Thu May 08, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38315372242190,42sleep10-21swapper/107:05:501
38316622229200,19sleep00-21swapper/007:07:300
38318072228197,20sleep30-21swapper/307:09:273
38316542217189,18sleep20-21swapper/207:07:242
399549321220,1sleep33995147-21updatedb.plocat11:30:013
3832029995951,5cyclictest4010773-21latency_hist11:55:023
383202599580,2cyclictest4004420-21munin-update11:45:002
3832019995650,4cyclictest3888594-21latency_hist08:40:010
3832025995552,1cyclictest3854116-21munin-update07:45:012
3832025995537,16cyclictest3881926-21ntpq08:25:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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