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2025-12-11 - 19:29
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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 Thu Dec 11, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2380021820,4sleep22400199cyclictest13:46:582
2002221790,3sleep02398999cyclictest13:43:220
2250521680,5sleep12399699cyclictest11:13:201
2250521680,5sleep12399699cyclictest11:13:201
2984421590,5sleep02398999cyclictest13:16:490
1773911000,3ptp4l401ktimersoftd/308:24:453
177391730,1ptp4l401ktimersoftd/313:55:083
177391720,1ptp4l401ktimersoftd/313:01:033
177391660,1ptp4l401ktimersoftd/313:32:253
75962650,2sleep07600-21cut08:58:220
201212640,2sleep20-21swapper/212:25:362
138292630,4sleep02398999cyclictest10:18:310
83082620,4sleep2321ktimersoftd/208:58:322
136822620,2sleep30-21swapper/313:35:313
177391600,1ptp4l401ktimersoftd/312:24:353
236392594,10sleep20-21swapper/208:24:512
177391590,1ptp4l401ktimersoftd/313:17:553
156722590,4sleep215671-21tail11:03:382
175792580,2sleep00-21swapper/009:18:250
89482570,2sleep00-21swapper/010:08:270
169322560,2sleep30-21swapper/310:28:063
23996995311,31cyclictest7066-21users10:03:451
126312510,2sleep20-21swapper/212:56:192
23996995043,4cyclictest24003-21cat08:28:031
23996995011,27cyclictest10936-21seq09:05:171
177391480,1ptp4l401ktimersoftd/311:15:563
177391480,1ptp4l401ktimersoftd/311:15:563
2399699479,35cyclictest25215-21grep13:48:251
188262470,3sleep30-21swapper/311:08:243
177391470,1ptp4l401ktimersoftd/310:37:263
23996994622,21cyclictest10513-21ssh13:33:011
177391460,1ptp4l401ktimersoftd/309:28:563
177391460,1ptp4l401ktimersoftd/309:28:563
2370924527,8sleep00-21swapper/008:25:460
177391450,1ptp4l401ktimersoftd/311:42:533
177391430,1ptp4l401ktimersoftd/311:03:093
177391430,10ptp4l401ktimersoftd/310:48:573
177391400,1ptp4l401ktimersoftd/309:53:223
2399699390,4cyclictest2457-21head08:48:191
23989993931,5cyclictest6402-21cron08:58:030
177391390,1ptp4l401ktimersoftd/313:48:413
177391390,1ptp4l401ktimersoftd/309:38:193
24001993812,23cyclictest16921-21ls09:18:212
2399699381,29cyclictest6690-21ssh11:33:191
2399699380,5cyclictest15880-21ls13:38:261
177391380,1ptp4l401ktimersoftd/313:40:193
177391380,1ptp4l401ktimersoftd/313:18:513
177391380,1ptp4l401ktimersoftd/313:08:583
177391380,1ptp4l401ktimersoftd/313:08:583
177391380,1ptp4l401ktimersoftd/311:56:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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