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2025-11-02 - 10:51
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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 Sun Nov 02, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2010721810,4sleep22056199cyclictest22:11:372
1309821780,4sleep22056199cyclictest23:13:362
2171121620,3sleep12055699cyclictest22:13:571
1773911030,3ptp4l401ktimersoftd/320:05:153
1773911030,3ptp4l401ktimersoftd/320:05:153
207612820,3sleep30-21swapper/323:21:353
177391720,9ptp4l401ktimersoftd/301:34:253
177391710,1ptp4l401ktimersoftd/322:32:543
297522690,3sleep30-21swapper/300:41:293
27162650,4sleep22678-21ssh00:11:372
177391610,1ptp4l401ktimersoftd/300:53:493
52262560,2sleep10-21swapper/100:15:211
2055099510,12cyclictest16982-21cat23:51:450
177391510,1ptp4l401ktimersoftd/322:16:133
177391500,1ptp4l401ktimersoftd/301:17:103
138932500,2sleep00-21swapper/023:49:230
138932500,2sleep00-21swapper/023:49:230
203222494,34sleep20-21swapper/220:04:352
203222494,34sleep20-21swapper/220:04:352
177391470,0ptp4l401ktimersoftd/300:28:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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