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2025-12-08 - 20:28
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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 Mon Dec 08, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3106821790,4sleep32693399cyclictest11:16:583
177391990,33ptp4l401ktimersoftd/308:23:283
185512720,2sleep00-21swapper/013:38:190
185512720,2sleep00-21swapper/013:38:190
26929996912,24cyclictest21081-21expr11:06:412
2692999640,26cyclictest32131-21ssh13:53:452
265242644,9sleep00-21swapper/008:22:390
2692999611,22cyclictest24090-21ssh12:27:332
2692999601,26cyclictest12996-21ssh11:36:252
2692999600,26cyclictest28616-21ssh11:53:242
2692999600,26cyclictest15244-21ssh13:35:442
2692999591,25cyclictest1254-21awk08:36:442
2692999590,25cyclictest5299-21ssh12:05:052
2692999590,25cyclictest25630-21cat13:46:492
2692999590,21cyclictest9703-21seq13:28:402
130172590,2sleep00-21swapper/010:06:500
2692999581,24cyclictest31839-21unixbench_singl08:31:512
2692999581,24cyclictest28140-21ssh10:34:472
2692999581,24cyclictest14558-21sh10:57:262
2692999581,22cyclictest6798-21ssh11:26:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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