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2025-06-29 - 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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot3.osadl.org (updated Sat Jun 28, 2025 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
280092148519sleep28010-21fschecks_count07:01:540
290179927086cyclictest26920-21chrt11:43:150
2901799267235cyclictest29027-21grep11:52:500
2901799265237cyclictest5483-21mailstats07:43:360
2901799264232cyclictest13118-21cpu10:41:550
2901799263232cyclictest11938-21if_err_eth008:12:250
2901799262234cyclictest31665-21ssh12:04:070
2901799259234cyclictest223462sleep08:57:410
2901799259232cyclictest15985-21chrt08:29:000
290179925899cyclictest6089-21fschecks_count07:47:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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