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2025-11-20 - 21:58
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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 100 highest latencies:
System rackbslot6.osadl.org (updated Thu Nov 20, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
884221780,4sleep02494499cyclictest12:39:510
2807721500,5sleep32496099cyclictest12:24:043
2807721500,5sleep32496099cyclictest12:24:043
2942421400,3sleep32496099cyclictest13:03:393
1773911060,4ptp4l401ktimersoftd/308:11:403
327382750,2sleep00-21swapper/010:33:040
327382750,2sleep00-21swapper/010:33:040
177391710,1ptp4l401ktimersoftd/312:49:473
177391710,1ptp4l401ktimersoftd/311:24:463
177391700,1ptp4l401ktimersoftd/313:39:083
177391680,1ptp4l401ktimersoftd/310:19:183
177391660,2ptp4l401ktimersoftd/310:46:533
24949996047,7cyclictest25-21ksoftirqd/110:01:401
269782590,2sleep30-21swapper/311:44:013
24949995945,8cyclictest25-21ksoftirqd/113:26:431
177391590,1ptp4l401ktimersoftd/311:05:363
177391560,1ptp4l401ktimersoftd/313:09:073
100622560,2sleep20-21swapper/209:56:492
24956995442,6cyclictest33-21ksoftirqd/213:11:422
74402520,4sleep27442-21unixbench_singl12:37:042
24956995111,4cyclictest33-21ksoftirqd/213:25:252
24949995143,4cyclictest25-21ksoftirqd/112:46:421
225892500,1sleep00-21swapper/011:01:020
24956994235,4cyclictest2632-21cron08:36:242
2495699423,4cyclictest121rcu_preempt11:06:412
24949994229,7cyclictest25-21ksoftirqd/113:01:421
177391420,1ptp4l401ktimersoftd/312:01:453
24949994129,7cyclictest25-21ksoftirqd/111:36:421
24956994031,5cyclictest33-21ksoftirqd/212:26:442
24956994031,5cyclictest33-21ksoftirqd/212:26:442
24956994030,5cyclictest33-21ksoftirqd/210:56:412
177391400,1ptp4l401ktimersoftd/313:18:273
24960993925,4cyclictest9607-21sh12:41:303
2495699397,3cyclictest33-21ksoftirqd/210:01:432
177391390,2ptp4l15600-21kworker/3:110:43:293
177391390,1ptp4l401ktimersoftd/313:31:223
177391390,1ptp4l401ktimersoftd/312:00:123
177391390,1ptp4l401ktimersoftd/311:14:253
177391390,1ptp4l401ktimersoftd/310:53:003
177391380,1ptp4l401ktimersoftd/313:11:543
177391380,1ptp4l401ktimersoftd/312:57:403
177391380,1ptp4l401ktimersoftd/312:56:213
177391380,1ptp4l401ktimersoftd/312:16:053
177391380,1ptp4l401ktimersoftd/311:51:113
177391380,1ptp4l401ktimersoftd/310:29:273
177391380,0ptp4l401ktimersoftd/311:20:003
177391380,0ptp4l401ktimersoftd/311:00:193
24956993730,4cyclictest33-21ksoftirqd/210:16:432
24956993729,5cyclictest33-21ksoftirqd/213:26:432
24956993727,5cyclictest33-21ksoftirqd/210:26:382
24956993726,6cyclictest33-21ksoftirqd/212:21:422
24956993726,6cyclictest33-21ksoftirqd/212:21:422
24949993730,5cyclictest25-21ksoftirqd/111:46:291
24949993724,7cyclictest25-21ksoftirqd/109:31:351
177391370,1ptp4l401ktimersoftd/313:31:323
177391370,1ptp4l401ktimersoftd/312:27:543
177391370,1ptp4l401ktimersoftd/312:27:543
177391370,1ptp4l401ktimersoftd/312:10:143
177391370,1ptp4l401ktimersoftd/311:07:023
177391370,1ptp4l401ktimersoftd/310:26:013
177391370,1ptp4l401ktimersoftd/308:31:453
177391370,0ptp4l401ktimersoftd/310:39:153
24956993630,3cyclictest33-21ksoftirqd/212:06:292
24956993629,3cyclictest33-21ksoftirqd/212:56:452
24956993627,5cyclictest33-21ksoftirqd/210:51:432
24956993624,10cyclictest33-21ksoftirqd/210:31:492
24956993624,10cyclictest33-21ksoftirqd/210:31:492
2495699361,4cyclictest121rcu_preempt10:46:432
2495699360,3cyclictest33-21ksoftirqd/210:41:542
24949993630,3cyclictest25-21ksoftirqd/110:56:281
177391360,1ptp4l401ktimersoftd/312:44:073
177391360,1ptp4l401ktimersoftd/311:34:283
177391360,1ptp4l401ktimersoftd/309:41:433
177391360,0ptp4l401ktimersoftd/311:27:583
177391360,0ptp4l401ktimersoftd/310:34:373
177391360,0ptp4l401ktimersoftd/310:34:373
24960993529,3cyclictest41-21ksoftirqd/309:36:263
2495699353,7cyclictest121rcu_preempt11:01:402
24956993530,3cyclictest33-21ksoftirqd/213:46:312
24956993530,3cyclictest33-21ksoftirqd/211:46:432
24956993528,4cyclictest33-21ksoftirqd/211:11:332
2480823514,11sleep233-21ksoftirqd/208:15:572
2496099340,2cyclictest121rcu_preempt08:21:243
24956993429,3cyclictest33-21ksoftirqd/212:51:302
24956993429,3cyclictest33-21ksoftirqd/210:26:272
24956993428,3cyclictest33-21ksoftirqd/209:01:522
24956993427,4cyclictest33-21ksoftirqd/212:41:412
24949993428,3cyclictest25-21ksoftirqd/113:41:321
24949993427,5cyclictest25-21ksoftirqd/112:41:301
24949993423,9cyclictest25-21ksoftirqd/112:42:361
24949993423,5cyclictest25-21ksoftirqd/112:51:471
177391340,10ptp4l401ktimersoftd/311:53:473
24960993323,5cyclictest41-21ksoftirqd/308:21:393
24956993328,3cyclictest33-21ksoftirqd/210:16:272
24956993328,3cyclictest33-21ksoftirqd/208:56:512
24956993324,4cyclictest33-21ksoftirqd/209:26:402
2495699332,3cyclictest121rcu_preempt11:51:422
24949993328,3cyclictest25-21ksoftirqd/110:41:271
24949993327,3cyclictest46950irq/101-ens3-Tx10:16:441
177391330,1ptp4l401ktimersoftd/313:44:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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