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2025-11-27 - 00:57
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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 100 highest latencies:
System rackbslot6.osadl.org (updated Wed Nov 26, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2854921460,3sleep13263199cyclictest13:35:561
1442221370,4sleep0101ktimersoftd/010:45:040
177391990,4ptp4l401ktimersoftd/308:15:213
29612710,4sleep23263799cyclictest13:45:042
32642996957,6cyclictest41-21ksoftirqd/310:39:583
32642996656,6cyclictest41-21ksoftirqd/313:05:033
177391660,1ptp4l401ktimersoftd/313:35:153
32642996551,6cyclictest41-21ksoftirqd/308:54:583
324942644,10sleep00-21swapper/008:19:200
32642996350,6cyclictest41-21ksoftirqd/313:30:033
96412620,1sleep20-21swapper/213:15:132
177391610,1ptp4l401ktimersoftd/312:00:133
103272610,2sleep10-21swapper/111:20:101
32642995745,6cyclictest41-21ksoftirqd/308:29:583
323092574,10sleep10-21swapper/108:16:551
32642995430,14cyclictest41-21ksoftirqd/313:00:053
32642995243,4cyclictest41-21ksoftirqd/308:49:573
32642995120,9cyclictest41-21ksoftirqd/310:49:473
177391510,2ptp4l23061-21kworker/3:111:20:193
32642994938,5cyclictest41-21ksoftirqd/311:30:013
32642994938,5cyclictest41-21ksoftirqd/308:19:583
177391490,1ptp4l401ktimersoftd/311:05:383
32642994825,7cyclictest41-21ksoftirqd/311:37:273
324972480,2sleep20-21swapper/213:40:352
320082480,2sleep30-21swapper/311:46:013
320082480,2sleep30-21swapper/311:46:013
32642994719,3cyclictest41-21ksoftirqd/312:50:093
177391470,2ptp4l10446-21kworker/3:213:13:393
32642994635,6cyclictest41-21ksoftirqd/312:15:013
32642994621,4cyclictest41-21ksoftirqd/311:56:163
177391460,1ptp4l401ktimersoftd/310:50:243
32642994518,4cyclictest41-21ksoftirqd/311:10:063
32642994424,3cyclictest41-21ksoftirqd/312:25:073
32642994311,5cyclictest41-21ksoftirqd/309:45:063
32642994215,4cyclictest41-21ksoftirqd/312:23:063
32642994215,4cyclictest41-21ksoftirqd/310:20:563
32642994214,4cyclictest41-21ksoftirqd/312:39:283
32637994235,4cyclictest0-21swapper/208:19:442
32642994118,7cyclictest41-21ksoftirqd/313:15:073
32642994116,7cyclictest41-21ksoftirqd/308:44:443
32642994115,4cyclictest41-21ksoftirqd/308:25:153
177391410,2ptp4l23061-21kworker/3:111:54:103
32642994034,3cyclictest41-21ksoftirqd/313:44:513
32642994034,3cyclictest41-21ksoftirqd/310:39:473
32642994014,4cyclictest41-21ksoftirqd/311:42:193
32642994013,4cyclictest41-21ksoftirqd/310:57:433
32642993928,9cyclictest41-21ksoftirqd/312:45:133
32642993925,11cyclictest41-21ksoftirqd/312:55:203
32642993922,8cyclictest41-21ksoftirqd/309:09:593
32642993913,4cyclictest41-21ksoftirqd/313:28:123
3264299386,3cyclictest121rcu_preempt13:20:053
32642993832,3cyclictest41-21ksoftirqd/312:40:183
32642993815,7cyclictest41-21ksoftirqd/308:34:593
32642993814,7cyclictest41-21ksoftirqd/309:30:153
32642993812,4cyclictest41-21ksoftirqd/313:46:153
32642993812,3cyclictest41-21ksoftirqd/310:31:253
177391380,1ptp4l401ktimersoftd/312:06:533
177391380,1ptp4l401ktimersoftd/311:28:583
177391380,1ptp4l401ktimersoftd/311:01:173
3264299373,8cyclictest121rcu_preempt08:44:453
32642993727,3cyclictest41-21ksoftirqd/309:24:593
32642993723,10cyclictest41-21ksoftirqd/309:44:453
32642993722,3cyclictest41-21ksoftirqd/310:05:033
32642993717,3cyclictest41-21ksoftirqd/309:15:053
214882370,4sleep221487-21dpkg13:29:512
177391370,1ptp4l401ktimersoftd/312:14:053
110782370,2sleep00-21swapper/009:45:140
32642993630,3cyclictest41-21ksoftirqd/312:30:113
3264299354,18cyclictest41-21ksoftirqd/309:35:033
32642993530,3cyclictest41-21ksoftirqd/309:04:453
32642993529,3cyclictest41-21ksoftirqd/310:19:463
32642993511,7cyclictest41-21ksoftirqd/309:24:463
3264299343,4cyclictest121rcu_preempt09:50:053
32642993429,3cyclictest41-21ksoftirqd/309:55:033
32642993428,3cyclictest41-21ksoftirqd/310:29:473
3264299340,3cyclictest121rcu_preempt11:15:173
32642993328,3cyclictest41-21ksoftirqd/310:10:133
32642993327,3cyclictest41-21ksoftirqd/310:00:003
32642993327,3cyclictest41-21ksoftirqd/309:05:013
32624993014,4cyclictest9-21ksoftirqd/013:30:070
406822821,3sleep09-21ksoftirqd/010:31:120
32637992822,4cyclictest33-21ksoftirqd/209:05:072
32637992822,3cyclictest33-21ksoftirqd/209:09:552
32637992822,3cyclictest33-21ksoftirqd/208:54:492
32637992821,4cyclictest33-21ksoftirqd/210:11:062
32637992821,4cyclictest33-21ksoftirqd/209:30:512
32631992822,3cyclictest25-21ksoftirqd/112:09:021
32631992821,4cyclictest25-21ksoftirqd/109:09:571
32631992821,4cyclictest25-21ksoftirqd/108:56:301
32631992821,4cyclictest25-21ksoftirqd/108:31:411
32624992821,4cyclictest9-21ksoftirqd/008:52:390
32624992821,4cyclictest9-21ksoftirqd/008:36:210
32637992721,4cyclictest33-21ksoftirqd/212:13:472
32637992721,4cyclictest33-21ksoftirqd/208:47:392
32637992721,3cyclictest33-21ksoftirqd/210:31:362
32637992721,3cyclictest33-21ksoftirqd/208:29:192
32637992720,4cyclictest33-21ksoftirqd/209:47:452
32637992720,4cyclictest33-21ksoftirqd/208:52:132
32624992721,4cyclictest9-21ksoftirqd/010:18:460
32624992721,3cyclictest9-21ksoftirqd/013:44:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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