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2026-05-29 - 01:04
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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 10 highest latencies:
System rackbslot6.osadl.org (updated Thu May 28, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911670,4ptp4l401ktimersoftd/308:39:053
1289521610,4sleep32490599cyclictest13:54:443
36352660,1sleep00-21swapper/013:45:380
321742650,2sleep332177-21mailstats13:07:553
106891650,1ptp4l401ktimersoftd/313:03:443
20082620,5sleep32010-21fschecks_count10:07:453
106891620,1ptp4l401ktimersoftd/310:27:483
136032610,1sleep00-21swapper/012:16:290
106891610,1ptp4l401ktimersoftd/308:45:583
199702600,2sleep10-21swapper/111:48:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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