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2026-04-20 - 02:07
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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 Sun Apr 19, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3115822730,4sleep30-21swapper/308:16:073
2303221680,5sleep344799cyclictest11:56:103
2870621620,4sleep143499cyclictest13:41:191
324522684,10sleep00-21swapper/008:16:330
122902640,2sleep20-21swapper/212:17:292
106891630,1ptp4l401ktimersoftd/308:41:053
317102610,5sleep233-21ksoftirqd/212:05:132
179252600,5sleep243999cyclictest11:51:072
59302590,2sleep20-21swapper/213:17:552
273442590,3sleep143499cyclictest13:40:591
205512570,3sleep2321ktimersoftd/213:32:412
106891570,1ptp4l401ktimersoftd/313:44:393
19882560,1sleep00-21swapper/011:34:310
325072556,37sleep20-21swapper/208:17:162
106891550,1ptp4l401ktimersoftd/311:29:283
106891540,1ptp4l401ktimersoftd/311:20:503
101072540,2sleep00-21swapper/013:21:470
96022530,3sleep39579-21ssh12:15:583
136032490,3sleep00-21swapper/010:40:550
106891480,2ptp4l18582-21kworker/3:113:40:203
106891480,1ptp4l401ktimersoftd/311:53:483
42899471,7cyclictest4552-21ssh10:31:100
42899453,7cyclictest9-21ksoftirqd/013:14:240
106891450,1ptp4l401ktimersoftd/310:53:033
42899444,6cyclictest9-21ksoftirqd/012:48:190
42899443,6cyclictest0-21swapper/011:03:490
265532440,1sleep20-21swapper/210:52:462
42899433,7cyclictest9-21ksoftirqd/011:59:450
42899416,7cyclictest9-21ksoftirqd/011:10:310
42899416,7cyclictest9-21ksoftirqd/010:21:160
42899415,6cyclictest0-21swapper/012:41:000
42899415,6cyclictest0-21swapper/012:40:570
42899415,6cyclictest0-21swapper/012:20:190
42899413,7cyclictest9-21ksoftirqd/012:51:530
42899412,7cyclictest9-21ksoftirqd/011:46:250
42899412,6cyclictest9-21ksoftirqd/010:49:490
42899406,7cyclictest9-21ksoftirqd/012:30:510
42899406,7cyclictest9-21ksoftirqd/011:55:080
42899406,7cyclictest9-21ksoftirqd/010:30:550
42899404,7cyclictest9-21ksoftirqd/013:01:450
42899404,7cyclictest9-21ksoftirqd/013:01:450
42899404,6cyclictest0-21swapper/013:46:120
42899403,6cyclictest9-21ksoftirqd/013:18:470
42899403,6cyclictest0-21swapper/013:45:380
42899403,5cyclictest9-21ksoftirqd/011:22:090
42899402,6cyclictest9-21ksoftirqd/011:26:240
106891400,2ptp4l18582-21kworker/3:113:01:133
106891400,2ptp4l18582-21kworker/3:113:01:133
106891400,1ptp4l401ktimersoftd/312:23:043
106891400,1ptp4l401ktimersoftd/312:19:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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