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2025-11-14 - 21:50
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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 20 highest latencies:
System rack5slot7.osadl.org (updated Fri Nov 14, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26247224170,11sleep024655-1kworker/u3:005:37:030
271779917719,42cyclictest13357-21apt-get10:56:380
271779917221,25cyclictest545-21apt-get10:16:410
271779917016,130cyclictest17104-21memory11:07:420
271779916821,27cyclictest30052-21ntp_states08:22:400
271779916810,46cyclictest2735-21ntpq10:22:410
271779916619,26cyclictest14254-21apt-get09:16:380
271779916618,36cyclictest3754-21apt-get10:26:400
271779916618,126cyclictest23515-21irqstats08:02:270
271779916612,130cyclictest23727-21basename09:46:500
27177991659,47cyclictest17004-21ssh09:25:060
271779916534,112cyclictest20351-21munin-run09:36:200
271779916533,112cyclictest18168-21ssh09:28:020
271779916519,26cyclictest6923-21apt-get10:36:380
271779916514,45cyclictest10783-21ssh09:04:390
271779916434,21cyclictest7040-21missed_timers08:52:420
271779916433,111cyclictest22183-21aten_r5power_vo09:41:530
271779916417,23cyclictest11644-21irqstats09:07:400
27177991635,132cyclictest28218-21apt-get10:01:420
271779916333,27cyclictest16149-21cut07:36:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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