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2026-08-29 - 01:10
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Fri Aug 28, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2819999926,64cyclictest16044-21aten_r4power_cu11:31:150
2819999824,64cyclictest22413-21aten_r4power_po08:31:150
2819999814,75cyclictest3568-21runrttasks08:58:220
2819999726,62cyclictest8266-21sshd09:26:330
2819999725,63cyclictest6197-21chrt09:21:080
340329614,17sleep03462-21fschecks_time12:31:250
2819999615,72cyclictest1908-21expr10:46:410
2819999614,73cyclictest25769-21munin-node10:21:170
2819999614,73cyclictest15000-21sendmail_mailqu08:06:510
2819999525,60cyclictest20301-21seq10:02:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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