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2025-12-17 - 01:51
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Tue Dec 16, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3125321690,5sleep3226799cyclictest08:07:373
3125321690,5sleep3226799cyclictest08:07:373
1068911000,4ptp4l401ktimersoftd/307:08:533
187582650,2sleep30-21swapper/309:57:363
187582650,2sleep30-21swapper/309:57:363
198152530,5sleep219817-21acpi10:02:252
138092530,2sleep10-21swapper/108:42:111
289142520,2sleep00-21swapper/009:12:290
254502480,1sleep10-21swapper/110:12:321
106891470,1ptp4l401ktimersoftd/311:58:503
106891440,1ptp4l401ktimersoftd/311:34:003
19722414,24sleep20-21swapper/207:09:502
106891380,1ptp4l401ktimersoftd/310:32:143
106891370,1ptp4l401ktimersoftd/311:12:433
299922360,5sleep229996-21cpuspeed_turbos08:07:242
299922360,5sleep229996-21cpuspeed_turbos08:07:242
106891360,1ptp4l401ktimersoftd/310:22:383
106891360,0ptp4l401ktimersoftd/307:34:183
271192350,3sleep30-21swapper/312:32:333
106891350,0ptp4l401ktimersoftd/312:41:293
106891350,0ptp4l401ktimersoftd/312:24:073
106891350,0ptp4l401ktimersoftd/308:42:303
2263993427,4cyclictest7671-21munin-plugin-st09:37:122
106891340,1ptp4l401ktimersoftd/310:37:313
106891330,1ptp4l401ktimersoftd/312:21:493
106891330,1ptp4l401ktimersoftd/308:02:243
106891330,1ptp4l401ktimersoftd/307:42:363
106891330,11ptp4l401ktimersoftd/308:12:293
106891330,11ptp4l401ktimersoftd/308:12:293
2267993227,3cyclictest41-21ksoftirqd/309:12:123
106891320,1ptp4l401ktimersoftd/311:04:563
106891320,1ptp4l401ktimersoftd/309:53:433
106891320,1ptp4l401ktimersoftd/308:20:273
106891320,11ptp4l401ktimersoftd/307:19:453
106891320,0ptp4l401ktimersoftd/311:50:083
106891320,0ptp4l401ktimersoftd/311:50:083
106891320,0ptp4l401ktimersoftd/309:41:573
225199311,3cyclictest121rcu_preempt11:22:290
106891310,1ptp4l401ktimersoftd/312:29:483
106891310,1ptp4l401ktimersoftd/311:31:153
106891310,1ptp4l401ktimersoftd/310:59:243
106891310,1ptp4l401ktimersoftd/308:41:003
106891310,1ptp4l401ktimersoftd/307:14:353
106891310,0ptp4l401ktimersoftd/312:13:023
106891310,0ptp4l401ktimersoftd/309:47:463
2263993025,3cyclictest33-21ksoftirqd/211:22:142
106891300,1ptp4l401ktimersoftd/311:11:483
106891300,1ptp4l401ktimersoftd/310:34:253
106891300,0ptp4l401ktimersoftd/311:46:053
106891300,0ptp4l401ktimersoftd/309:45:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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