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2026-03-11 - 03:39
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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 rackbslot6.osadl.org (updated Wed Mar 11, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1414321690,4sleep0172099cyclictest22:18:410
1031221530,3sleep2173099cyclictest22:46:452
3174221490,4sleep2173099cyclictest20:59:182
1068911240,8ptp4l9450-21kworker/3:119:55:413
172602750,2sleep30-21swapper/322:54:173
106891690,1ptp4l401ktimersoftd/323:12:483
106891670,9ptp4l401ktimersoftd/300:06:293
13472665,10sleep20-21swapper/219:55:302
66022620,1sleep20-21swapper/223:15:242
313612590,4sleep09-21ksoftirqd/022:34:310
106891580,1ptp4l401ktimersoftd/322:29:353
213732560,2sleep10-21swapper/100:36:451
106891560,1ptp4l401ktimersoftd/320:20:463
276512550,2sleep10-21swapper/122:31:111
12092540,2sleep00-21swapper/021:04:140
80952520,3sleep28098-21irqrtprio20:09:202
1720994639,4cyclictest0-21swapper/019:59:000
106891430,1ptp4l401ktimersoftd/301:21:133
1724994237,3cyclictest0-21swapper/119:59:001
106891420,1ptp4l401ktimersoftd/323:51:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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