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2026-06-04 - 08:13
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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
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Thu Jun 04, 2026 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225480899140,12cyclictest0-21swapper/323:40:123
225480899138,1cyclictest0-21swapper/323:35:133
2254808991311,0cyclictest0-21swapper/323:10:123
225480899130,1cyclictest0-21swapper/320:30:083
225480899130,12cyclictest0-21swapper/321:55:113
225480899120,1cyclictest0-21swapper/320:20:073
225480899120,11cyclictest0-21swapper/321:25:013
225480899120,11cyclictest0-21swapper/319:50:083
2254808991111,0cyclictest0-21swapper/322:00:193
2254808991110,1cyclictest0-21swapper/321:54:353
2254808991110,0cyclictest0-21swapper/322:45:113
2254808991110,0cyclictest0-21swapper/320:03:393
225480899110,10cyclictest0-21swapper/323:15:183
225480899110,10cyclictest0-21swapper/321:06:303
225480899110,10cyclictest0-21swapper/320:25:013
225480899110,10cyclictest0-21swapper/300:10:003
225480899110,0cyclictest0-21swapper/323:45:123
225480899110,0cyclictest0-21swapper/322:30:133
225480899110,0cyclictest0-21swapper/322:15:133
225480899110,0cyclictest0-21swapper/321:00:123
225480899109,0cyclictest0-21swapper/323:50:183
225480899109,0cyclictest0-21swapper/322:20:123
225480899109,0cyclictest0-21swapper/319:41:493
2254808991010,0cyclictest0-21swapper/319:30:013
2254808991010,0cyclictest0-21swapper/300:37:383
225480899100,9cyclictest0-21swapper/320:40:083
225480899100,10cyclictest0-21swapper/319:40:013
225480899100,0cyclictest0-21swapper/322:05:193
22548089999,0cyclictest0-21swapper/323:24:503
22548089999,0cyclictest0-21swapper/322:55:183
22548089999,0cyclictest0-21swapper/321:45:123
22548089999,0cyclictest0-21swapper/321:30:173
22548089999,0cyclictest0-21swapper/320:45:013
22548089999,0cyclictest0-21swapper/320:10:003
22548089998,0cyclictest0-21swapper/323:29:103
22548089998,0cyclictest0-21swapper/322:40:113
22548089998,0cyclictest0-21swapper/321:40:103
22548089998,0cyclictest0-21swapper/321:25:183
22548089998,0cyclictest0-21swapper/300:30:013
22548089990,8cyclictest0-21swapper/319:30:083
22548089990,0cyclictest0-21swapper/320:40:003
2253167291,5sleep30-21swapper/319:05:143
22548089988,0cyclictest0-21swapper/322:35:103
22548089988,0cyclictest0-21swapper/321:36:433
22548089988,0cyclictest0-21swapper/320:17:013
22548089987,0cyclictest0-21swapper/322:52:323
22548089980,8cyclictest0-21swapper/320:10:073
22548089980,0cyclictest0-21swapper/323:00:123
22548089980,0cyclictest0-21swapper/322:10:123
22548089977,0cyclictest0-21swapper/322:29:373
22548089977,0cyclictest0-21swapper/319:20:083
22548089977,0cyclictest0-21swapper/300:20:133
22548089977,0cyclictest0-21swapper/300:15:133
22548089977,0cyclictest0-21swapper/300:00:103
22548089970,0cyclictest0-21swapper/321:00:013
2257480260,5sleep10-21swapper/119:16:451
22548089966,0cyclictest0-21swapper/300:10:073
2254473261,1sleep20-21swapper/219:07:242
22548089955,0cyclictest0-21swapper/323:34:423
22548089955,0cyclictest0-21swapper/323:06:383
22548089955,0cyclictest0-21swapper/321:17:213
22548089955,0cyclictest0-21swapper/320:50:123
22548089955,0cyclictest0-21swapper/319:56:353
22548089955,0cyclictest0-21swapper/319:10:133
22548089954,0cyclictest0-21swapper/323:55:153
22548089954,0cyclictest0-21swapper/319:47:453
2342401240,0sleep0241rcuc/023:25:150
22548089944,0cyclictest0-21swapper/321:10:143
22548089944,0cyclictest0-21swapper/300:30:093
22548089940,4cyclictest0-21swapper/319:15:003
2254370242,1sleep10-21swapper/119:06:031
2369283230,1sleep12369309-21apt-get00:30:131
2296699230,1sleep02296980-21users21:35:200
2278358230,2sleep02278533-21date20:40:010
2253002231,1sleep00-21swapper/019:05:020
2366950220,1sleep22366968-21munin-run00:25:002
2361695220,1sleep00-21swapper/000:10:170
2352060220,1sleep02352069-21sh23:50:000
2341348220,0sleep00-21swapper/023:22:300
2331891220,1sleep22331972-21/usr/sbin/munin23:00:152
2318757220,1sleep22319050-21expr22:30:142
2317390220,1sleep22317548-21awk22:25:172
2312385220,0sleep20-21swapper/222:15:132
2301700220,1sleep02301734-21munin-run21:50:000
2294138220,1sleep02294297-21sort21:30:150
2276229220,1sleep22276494-21diskstats20:30:102
2273266220,1sleep12273322-21unin-run20:20:011
2270973220,1sleep10-21swapper/120:10:071
2255945220,1sleep00-21swapper/019:10:200
2372856210,0sleep20-21swapper/200:37:052
2372714210,0sleep10-21swapper/100:35:481
2371809210,0sleep00-21swapper/000:35:150
2369708210,0sleep00-21swapper/000:30:160
2369028210,0sleep20-21swapper/200:30:022
2368706210,0sleep20-21swapper/200:27:092
2368524210,1sleep00-21swapper/000:25:300
2366471210,0sleep10-21swapper/100:20:481
2365277210,0sleep00-21swapper/000:20:150
2364649210,0sleep00-21swapper/000:18:190
2364398210,0sleep10-21swapper/100:16:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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