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2024-04-19 - 14:20
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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 Fri Apr 19, 2024 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1791911050,7ptp4l17209-21kworker/3:021:23:053
179191850,1ptp4l401ktimersoftd/302:38:313
286512730,2sleep00-21swapper/002:40:540
232292640,2sleep20-21swapper/201:54:032
216992600,2sleep10-21swapper/101:14:511
179191600,1ptp4l401ktimersoftd/302:15:433
179191570,1ptp4l401ktimersoftd/301:44:523
31402995648,4cyclictest41-21ksoftirqd/321:58:183
179191560,1ptp4l401ktimersoftd/302:03:073
179191460,1ptp4l401ktimersoftd/322:44:183
179191460,0ptp4l401ktimersoftd/302:29:303
179191440,1ptp4l401ktimersoftd/301:56:003
179191430,6ptp4l401ktimersoftd/323:41:563
179191420,0ptp4l401ktimersoftd/302:46:463
179191410,1ptp4l401ktimersoftd/300:54:033
31402994031,5cyclictest41-21ksoftirqd/300:18:233
31390994035,3cyclictest0-21swapper/121:23:061
179191390,1ptp4l401ktimersoftd/323:22:193
179191390,1ptp4l401ktimersoftd/300:11:323
179191390,0ptp4l401ktimersoftd/301:06:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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