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2026-03-29 - 20:58
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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 Sun Mar 29, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168221790,5sleep31903199cyclictest11:03:553
490821660,4sleep01900999cyclictest11:39:370
3167521490,4sleep11901699cyclictest12:39:411
3167521490,4sleep11901699cyclictest12:39:411
1068911040,4ptp4l401ktimersoftd/308:04:393
19031996114,22cyclictest27851-21sh12:35:103
175072610,1sleep00-21swapper/009:09:380
194472530,2sleep30-21swapper/310:14:453
19009995019,3cyclictest9-21ksoftirqd/013:34:440
19009994927,6cyclictest9-21ksoftirqd/011:54:380
19009994822,4cyclictest9-21ksoftirqd/012:07:510
19009994740,4cyclictest9-21ksoftirqd/009:24:200
19009994724,4cyclictest9-21ksoftirqd/009:39:350
19009994723,7cyclictest9-21ksoftirqd/012:19:410
19009994719,6cyclictest9-21ksoftirqd/008:49:310
19009994623,4cyclictest9-21ksoftirqd/011:30:430
19009994618,9cyclictest9-21ksoftirqd/010:59:320
19009994615,6cyclictest9-21ksoftirqd/013:32:070
1900999457,7cyclictest9-21ksoftirqd/013:09:500
19009994527,3cyclictest9-21ksoftirqd/011:09:320
19009994522,7cyclictest9-21ksoftirqd/012:24:400
19009994518,4cyclictest9-21ksoftirqd/013:22:110
19009994517,7cyclictest9-21ksoftirqd/010:44:310
19009994517,7cyclictest9-21ksoftirqd/010:44:310
19009994516,7cyclictest9-21ksoftirqd/010:35:300
188232454,29sleep10-21swapper/108:08:091
1900999448,7cyclictest25426-21ssh12:34:200
1900999448,3cyclictest9-21ksoftirqd/011:24:340
19009994421,4cyclictest9-21ksoftirqd/013:17:370
19009994420,4cyclictest9-21ksoftirqd/012:57:470
19009994419,4cyclictest9-21ksoftirqd/013:25:190
19009994418,4cyclictest9-21ksoftirqd/012:15:060
1900999438,3cyclictest9-21ksoftirqd/010:24:350
1900999434,5cyclictest9-21ksoftirqd/008:14:140
1900999434,5cyclictest18217-1kworker/u9:210:23:480
19009994321,3cyclictest9-21ksoftirqd/012:10:040
19009994320,4cyclictest9-21ksoftirqd/010:56:320
19009994316,7cyclictest9-21ksoftirqd/012:52:180
19009994316,6cyclictest9-21ksoftirqd/010:49:310
19009994316,6cyclictest9-21ksoftirqd/010:49:310
19009994311,7cyclictest9-21ksoftirqd/008:39:290
19009994310,6cyclictest9-21ksoftirqd/011:19:190
19021994231,6cyclictest33-21ksoftirqd/211:09:312
1900999428,3cyclictest9-21ksoftirqd/010:39:290
1900999427,3cyclictest9-21ksoftirqd/013:04:490
1900999427,3cyclictest9-21ksoftirqd/008:29:370
1900999426,8cyclictest9-21ksoftirqd/010:14:300
1900999423,3cyclictest121rcu_preempt11:54:190
19009994233,3cyclictest9-21ksoftirqd/012:59:290
19009994219,4cyclictest9-21ksoftirqd/012:39:440
19009994219,4cyclictest9-21ksoftirqd/012:39:440
19009994219,4cyclictest9-21ksoftirqd/011:21:370
19009994218,4cyclictest9-21ksoftirqd/011:07:190
19009994216,9cyclictest9-21ksoftirqd/010:10:020
19009994215,7cyclictest9-21ksoftirqd/011:35:030
19009994210,2cyclictest7842-1kworker/u9:111:46:420
1900999419,6cyclictest9-21ksoftirqd/009:59:340
1900999415,3cyclictest9-21ksoftirqd/009:49:360
1900999413,9cyclictest9-21ksoftirqd/009:14:340
19009994118,4cyclictest9-21ksoftirqd/012:35:470
19009994118,14cyclictest9-21ksoftirqd/011:59:420
1900999410,8cyclictest9-21ksoftirqd/010:29:460
1877524119,11sleep09-21ksoftirqd/008:07:320
106891410,0ptp4l401ktimersoftd/310:29:303
1900999408,3cyclictest9-21ksoftirqd/008:14:350
1900999406,4cyclictest9-21ksoftirqd/008:44:450
1900999404,3cyclictest121rcu_preempt12:44:430
19031993919,17cyclictest22662-21grep08:14:293
1900999396,6cyclictest9-21ksoftirqd/009:19:380
19009993928,3cyclictest9-21ksoftirqd/009:34:460
19009993917,4cyclictest9-21ksoftirqd/009:03:150
19009993917,4cyclictest9-21ksoftirqd/009:03:150
106891390,1ptp4l401ktimersoftd/312:29:333
106891390,1ptp4l401ktimersoftd/311:21:563
106891390,0ptp4l401ktimersoftd/311:17:263
1903199381,33cyclictest10555-21tail10:39:343
19009993833,3cyclictest9-21ksoftirqd/009:54:310
19009993825,3cyclictest9-21ksoftirqd/008:19:300
19009993813,4cyclictest9-21ksoftirqd/009:48:510
106891380,1ptp4l401ktimersoftd/313:32:473
106891380,1ptp4l401ktimersoftd/312:57:213
106891380,1ptp4l401ktimersoftd/312:40:213
106891380,1ptp4l401ktimersoftd/312:40:213
106891380,1ptp4l401ktimersoftd/311:46:033
106891380,1ptp4l401ktimersoftd/309:54:433
106891380,0ptp4l401ktimersoftd/311:33:163
106891380,0ptp4l401ktimersoftd/311:11:373
19009993725,3cyclictest9-21ksoftirqd/008:39:140
1900999372,3cyclictest121rcu_preempt10:04:350
106891370,1ptp4l401ktimersoftd/313:26:203
106891370,1ptp4l401ktimersoftd/313:10:043
106891370,1ptp4l401ktimersoftd/312:17:413
106891370,1ptp4l401ktimersoftd/312:13:283
106891370,1ptp4l401ktimersoftd/312:05:093
106891370,1ptp4l401ktimersoftd/312:01:033
106891370,1ptp4l401ktimersoftd/311:58:183
106891370,1ptp4l401ktimersoftd/311:42:583
106891370,1ptp4l401ktimersoftd/311:37:223
106891370,1ptp4l401ktimersoftd/311:07:503
106891370,1ptp4l401ktimersoftd/310:56:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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