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2025-07-12 - 13:04
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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 20 highest latencies:
System rackbslot2.osadl.org (updated Fri Jul 11, 2025 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3274712234184,40sleep30-21swapper/307:08:323
3272812231203,18sleep10-21swapper/107:06:051
3274142224195,18sleep00-21swapper/007:07:480
3275622218190,19sleep20-21swapper/207:09:392
327789997056,2cyclictest358888-21/usr/share/muni07:45:010
327792996041,11cyclictest514728-13chrome10:45:001
327796995756,0cyclictest347106-21awk07:30:112
327789995756,0cyclictest347107-21awk07:30:110
32778999574,51cyclictest514803-21chrome10:45:010
327792995649,6cyclictest450078-21/usr/share/muni09:30:021
327796995019,29cyclictest506222-21/usr/share/muni10:35:032
32779299480,47cyclictest0-21swapper/107:29:111
327792994640,4cyclictest0-21swapper/108:45:011
327789994542,2cyclictest463229-13chrome09:45:010
327789994432,12cyclictest155526-1kworker/0:1H+kblockd10:58:380
327796994340,2cyclictest514916-21kworker/2:2+pm11:15:072
327792994340,2cyclictest423654-21kworker/u8:1+events_unbound10:45:001
327796994232,9cyclictest3075615-1kworker/2:1H+kblockd07:45:122
327789994237,4cyclictest520887-21apt-get10:50:140
327796994138,2cyclictest514916-21kworker/2:2+pm12:18:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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