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2026-03-30 - 19:08
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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 Mon Mar 30, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1926221610,4sleep22349499cyclictest10:10:562
851521530,3sleep22349499cyclictest11:05:492
106891990,3ptp4l401ktimersoftd/308:09:323
209792730,2sleep20-21swapper/210:45:212
106891660,6ptp4l401ktimersoftd/310:43:353
106891660,1ptp4l401ktimersoftd/310:31:483
21112600,2sleep20-21swapper/212:39:512
106891590,1ptp4l401ktimersoftd/311:17:203
106891590,1ptp4l401ktimersoftd/311:11:063
4252580,2sleep30-21swapper/310:58:433
152382520,2sleep20-21swapper/213:25:162
101742510,1sleep10-21swapper/112:46:571
101742510,1sleep10-21swapper/112:46:571
291122470,2sleep10-21swapper/113:05:441
23485994610,8cyclictest9-21ksoftirqd/010:35:080
23490994516,14cyclictest25-21ksoftirqd/111:40:141
2348599445,4cyclictest121rcu_preempt12:45:170
2348599445,4cyclictest121rcu_preempt12:45:170
106891440,1ptp4l401ktimersoftd/312:16:193
23490994318,4cyclictest25-21ksoftirqd/112:31:171
23490994318,4cyclictest25-21ksoftirqd/111:07:351
23490994318,4cyclictest25-21ksoftirqd/110:38:091
2348599436,10cyclictest9-21ksoftirqd/010:34:500
23485994337,3cyclictest9-21ksoftirqd/012:29:570
23485994337,3cyclictest9-21ksoftirqd/010:14:550
233602430,1sleep20-21swapper/213:34:522
106891430,2ptp4l13382-21kworker/3:011:29:523
23490994215,4cyclictest25-21ksoftirqd/112:40:161
23490994214,3cyclictest25-21ksoftirqd/113:04:541
2348599427,4cyclictest9-21ksoftirqd/010:21:250
106891420,1ptp4l401ktimersoftd/310:05:113
23503994134,4cyclictest41-21ksoftirqd/310:14:553
23490994116,4cyclictest25-21ksoftirqd/113:25:301
2348599417,3cyclictest121rcu_preempt08:25:150
23485994135,3cyclictest9-21ksoftirqd/012:09:570
23485994134,3cyclictest9-21ksoftirqd/009:15:000
23485994132,4cyclictest9-21ksoftirqd/012:05:060
23490994011,6cyclictest25-21ksoftirqd/113:30:121
23485994020,3cyclictest9-21ksoftirqd/012:35:120
2324424019,11sleep125-21ksoftirqd/108:08:031
2312124019,11sleep09-21ksoftirqd/008:06:240
23503993927,6cyclictest41-21ksoftirqd/311:40:033
23490993915,4cyclictest25-21ksoftirqd/111:46:551
23485993933,3cyclictest9-21ksoftirqd/009:39:530
2348599391,7cyclictest9-21ksoftirqd/011:09:550
106891390,4ptp4l401ktimersoftd/310:52:273
106891390,1ptp4l401ktimersoftd/313:28:573
106891390,1ptp4l401ktimersoftd/313:22:353
106891390,1ptp4l401ktimersoftd/310:26:003
23490993814,4cyclictest25-21ksoftirqd/110:12:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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