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2026-06-15 - 08:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackeslot8.osadl.org (updated Mon Jun 15, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
427223992623,1cyclictest0-21swapper/300:15:273
427223992421,1cyclictest0-21swapper/321:35:123
427223992219,1cyclictest0-21swapper/323:58:063
427223992219,1cyclictest0-21swapper/322:35:003
427223992219,1cyclictest0-21swapper/322:05:203
427223992219,1cyclictest0-21swapper/320:25:193
427223992219,1cyclictest0-21swapper/320:00:233
42722399212,15cyclictest902525-21taskset00:35:183
42722399212,14cyclictest752235-21taskset22:57:203
427223992118,1cyclictest0-21swapper/322:10:233
427223992118,1cyclictest0-21swapper/320:55:163
427223992118,1cyclictest0-21swapper/320:05:223
427223992117,1cyclictest0-21swapper/322:20:003
427223992117,1cyclictest0-21swapper/300:30:003
42722399211,15cyclictest838078-21sleep23:55:013
42722399211,15cyclictest525118-21taskset20:22:473
427223992018,1cyclictest0-21swapper/319:45:013
427223992017,1cyclictest0-21swapper/323:25:253
427223992017,1cyclictest0-21swapper/323:20:013
427223992017,1cyclictest0-21swapper/323:05:003
427223992017,1cyclictest0-21swapper/322:45:163
427223992017,1cyclictest0-21swapper/321:55:363
427223992017,1cyclictest0-21swapper/321:45:193
427223992017,1cyclictest0-21swapper/321:40:263
427223992017,1cyclictest0-21swapper/300:30:113
427223992016,1cyclictest0-21swapper/300:20:153
42722399201,14cyclictest860002-21taskset00:06:193
72240021915,2sleep1872-21in:imuxsock22:40:021
427223991916,1cyclictest0-21swapper/322:25:113
427223991916,1cyclictest0-21swapper/322:24:003
427223991916,1cyclictest0-21swapper/322:00:163
427223991916,1cyclictest0-21swapper/321:30:213
427223991916,1cyclictest0-21swapper/300:14:333
42722399191,14cyclictest652279-21taskset21:54:053
42722399191,13cyclictest563083-21taskset20:50:253
427223991816,1cyclictest0-21swapper/321:20:013
427223991816,1cyclictest0-21swapper/320:40:003
427223991815,1cyclictest0-21swapper/323:36:093
427223991815,1cyclictest0-21swapper/321:20:043
427223991815,1cyclictest0-21swapper/321:05:003
427223991815,1cyclictest0-21swapper/319:50:143
427223991815,1cyclictest0-21swapper/300:00:193
427223991814,2cyclictest807246-21turbostat23:35:003
42722399181,13cyclictest822945-21taskset23:45:023
42722399181,13cyclictest784414-21chrt23:20:123
42722399181,13cyclictest768309-21taskset23:09:103
42722399181,13cyclictest518550-21taskset20:15:293
42722399181,13cyclictest506625-21taskset20:10:123
42722399181,12cyclictest436011-21chrt19:15:123
5757182171,12sleep2575760-21ntpq21:00:242
427223991715,1cyclictest0-21swapper/321:30:013
427223991715,1cyclictest0-21swapper/320:30:133
427223991714,1cyclictest0-21swapper/323:10:103
427223991714,1cyclictest0-21swapper/322:40:233
427223991714,1cyclictest0-21swapper/321:10:123
427223991714,1cyclictest0-21swapper/319:50:013
427223991714,1cyclictest0-21swapper/319:15:013
42722399171,13cyclictest582740-21taskset21:06:263
42722399171,13cyclictest454821-21taskset19:28:153
42722399171,12cyclictest720997-21taskset22:36:383
42722399171,12cyclictest550588-21taskset20:40:393
42722399171,12cyclictest550588-21taskset20:40:393
42722399171,12cyclictest461150-21chrt19:32:203
42722399171,12cyclictest442377-21taskset19:20:053
42722399170,14cyclictest743289-21taskset22:50:213
5132082161,6sleep2513432-21irqcore20:15:172
427223991614,1cyclictest0-21swapper/320:45:193
427223991613,1cyclictest0-21swapper/323:40:123
42722399161,12cyclictest487229-21taskset19:55:103
42722399161,12cyclictest467525-21taskset19:37:093
8079532150,6sleep20-21swapper/223:35:162
6504472151,10sleep2650488-21ntpq21:50:242
4228562151,10sleep2424622-21grep19:05:182
6909002141,9sleep1690902-21ssh22:18:531
6272932141,9sleep2627328-21ntpq21:35:242
6272442141,10sleep1627291-21ntpq21:35:231
6062432141,4sleep0222-21plymouthd21:25:000
4749352140,3sleep1474927-21ps19:45:171
7209492132,4sleep134-21ksoftirqd/122:36:291
6066202130,5sleep2222-21plymouthd21:25:132
7673872121,8sleep1767391-21ssh23:06:241
7142752121,8sleep1714281-21ssh22:34:331
6926052120,8sleep1693429-21cut22:20:171
6367312121,8sleep0636737-21ssh21:43:480
5888402120,8sleep2588953-21ssh21:10:262
5064792120,9sleep2506624-21df20:10:122
427223991210,1cyclictest0-21swapper/319:10:013
4219892121,8sleep1422855-21grep19:05:171
8608842110,7sleep2860888-21ssh00:09:002
8530982110,8sleep2853103-21sh00:03:462
6220282111,7sleep0622113-21cpuspeed_turbos21:35:140
5830212110,8sleep1583044-21latency_hist21:10:011
5371902110,1sleep00-21swapper/020:30:230
8997212103,4sleep2760802-21kworker/u16:4+nfsiod00:34:182
8871752107,1sleep20-21swapper/200:25:202
8763362100,7sleep1876341-21sh00:18:461
8746542101,6sleep00-21swapper/000:15:230
8630342100,7sleep1864290-21grep00:10:191
8523352100,7sleep1852341-21ssh00:01:331
8212042100,3sleep1821210-21ssh23:40:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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