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2026-05-31 - 14:57
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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 May 31, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068912100,4ptp4l401ktimersoftd/308:43:313
81842720,1sleep20-21swapper/212:52:082
17457997264,4cyclictest9-21ksoftirqd/013:44:240
17457997264,4cyclictest9-21ksoftirqd/013:44:240
39562690,3sleep03958-21switchtime09:19:350
106891690,1ptp4l401ktimersoftd/311:33:483
154972680,1sleep10-21swapper/110:49:091
17457996655,5cyclictest9-21ksoftirqd/012:19:230
106891660,1ptp4l401ktimersoftd/310:41:553
17457996552,7cyclictest9-21ksoftirqd/009:14:190
17474996252,4cyclictest41-21ksoftirqd/309:59:203
266962590,2sleep10-21swapper/113:44:261
266962590,2sleep10-21swapper/113:44:261
321752580,1sleep20-21swapper/210:19:272
17457995843,6cyclictest9-21ksoftirqd/013:54:240
17474995750,3cyclictest41-21ksoftirqd/312:24:233
17474995547,3cyclictest41-21ksoftirqd/311:19:213
17457995441,6cyclictest9-21ksoftirqd/011:49:230
106891540,1ptp4l401ktimersoftd/310:53:433
17457995339,6cyclictest9-21ksoftirqd/009:29:190
111002530,2sleep00-21swapper/011:16:300
106891530,1ptp4l401ktimersoftd/308:58:493
17474995144,3cyclictest41-21ksoftirqd/309:09:183
17457995138,5cyclictest9-21ksoftirqd/013:09:250
17457995038,6cyclictest9-21ksoftirqd/013:59:250
17474994940,5cyclictest41-21ksoftirqd/310:34:203
142592490,2sleep10-21swapper/112:59:051
17474994839,5cyclictest41-21ksoftirqd/310:04:223
17474994838,5cyclictest41-21ksoftirqd/312:14:233
17457994837,5cyclictest9-21ksoftirqd/012:39:240
17457994834,7cyclictest9-21ksoftirqd/009:04:180
173592484,32sleep10-21swapper/108:44:041
141472480,2sleep00-21swapper/013:30:360
13452480,1sleep30-21swapper/313:18:513
183372470,2sleep20-21swapper/211:56:592
17474994716,3cyclictest41-21ksoftirqd/310:59:313
106891460,2ptp4l11522-21kworker/3:113:47:453
106891460,2ptp4l11522-21kworker/3:113:47:453
17474994432,5cyclictest41-21ksoftirqd/311:24:213
17474994331,5cyclictest41-21ksoftirqd/312:04:233
106891430,2ptp4l7818-21kworker/3:012:48:233
17474994235,3cyclictest41-21ksoftirqd/311:59:233
17474994235,3cyclictest41-21ksoftirqd/311:59:233
17474994234,4cyclictest41-21ksoftirqd/314:09:263
17474994128,6cyclictest41-21ksoftirqd/310:24:213
106891410,1ptp4l401ktimersoftd/312:49:163
17474994028,5cyclictest41-21ksoftirqd/309:19:203
106891400,1ptp4l401ktimersoftd/314:01:013
106891400,1ptp4l401ktimersoftd/311:36:413
17474993928,5cyclictest41-21ksoftirqd/309:44:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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