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2025-11-18 - 04:05
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot4.osadl.org (updated Tue Nov 18, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21797997814,35cyclictest24962-21iostat_ios17:07:393
21797997511,5cyclictest0-21swapper/317:04:273
21797997511,5cyclictest0-21swapper/317:04:273
2179799748,33cyclictest0-21swapper/316:27:033
2179799732,7cyclictest26647-21cut17:57:183
21797997211,31cyclictest0-21swapper/315:50:023
2179799704,17cyclictest0-21swapper/317:39:543
2179799648,34cyclictest0-21swapper/318:11:153
2179799627,7cyclictest0-21swapper/317:47:193
2179099616,48cyclictest0-21swapper/215:52:112
2179099604,49cyclictest0-21swapper/216:42:202
2179099603,6cyclictest0-21swapper/217:12:192
2179099585,47cyclictest0-21swapper/215:19:222
2179099585,47cyclictest0-21swapper/215:19:222
2179099585,47cyclictest0-21swapper/215:04:022
2178299584,49cyclictest0-21swapper/118:04:381
211482579,15sleep00-21swapper/012:57:550
2179099564,47cyclictest0-21swapper/218:06:432
2150125610,39sleep20-21swapper/213:01:552
2179099554,46cyclictest0-21swapper/216:32:132
2179099554,46cyclictest0-21swapper/214:28:032
2179099544,44cyclictest0-21swapper/216:47:462
21790995416,6cyclictest27523-21ls15:37:392
2179099532,7cyclictest32488-21kworker/2:017:03:092
2179099532,7cyclictest32488-21kworker/2:017:03:092
2179099532,19cyclictest7430-21ssh15:55:292
2178299535,42cyclictest0-21swapper/115:27:491
2178299533,45cyclictest0-21swapper/118:32:171
21782995310,38cyclictest4767-21latency_hist13:42:241
2179799524,42cyclictest0-21swapper/315:06:363
2179099526,41cyclictest0-21swapper/218:18:482
2179099526,41cyclictest0-21swapper/218:18:482
2179099524,43cyclictest0-21swapper/215:09:522
2179099524,42cyclictest0-21swapper/215:34:112
2178299525,42cyclictest0-21swapper/117:20:291
2178299524,23cyclictest0-21swapper/117:15:361
21782995211,35cyclictest0-21swapper/115:17:411
21782995211,35cyclictest0-21swapper/115:17:411
2178299521,45cyclictest26519-21ssh16:22:421
2179799513,42cyclictest0-21swapper/317:25:093
2179099514,7cyclictest0-21swapper/217:51:282
2179099514,42cyclictest0-21swapper/217:34:392
2179099514,42cyclictest0-21swapper/215:44:212
2179099514,42cyclictest0-21swapper/215:27:112
2179099514,14cyclictest0-21swapper/214:07:342
2179099514,14cyclictest0-21swapper/214:07:342
2179099513,44cyclictest0-21swapper/214:37:462
2179099513,43cyclictest0-21swapper/216:00:012
2179099513,43cyclictest0-21swapper/215:27:572
2179099513,42cyclictest0-21swapper/218:25:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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