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2026-05-21 - 20:14
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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 May 21, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241861699150,11cyclictest0-21swapper/311:25:123
241861699150,11cyclictest0-21swapper/310:20:133
2418616991311,1cyclictest0-21swapper/307:30:123
2418616991212,0cyclictest0-21swapper/308:55:103
2418616991211,0cyclictest0-21swapper/309:10:123
2418616991211,0cyclictest0-21swapper/307:35:093
241861699120,11cyclictest0-21swapper/311:15:133
241861699119,1cyclictest24429782chrt08:10:123
2418616991111,0cyclictest0-21swapper/310:35:133
2418616991111,0cyclictest0-21swapper/308:15:183
2418616991110,0cyclictest0-21swapper/312:15:013
2418616991110,0cyclictest0-21swapper/310:25:123
2418616991110,0cyclictest0-21swapper/307:45:123
241861699110,9cyclictest0-21swapper/309:20:123
241861699110,8cyclictest0-21swapper/312:30:023
241861699110,8cyclictest0-21swapper/310:45:013
241861699110,10cyclictest0-21swapper/312:15:143
241861699110,10cyclictest0-21swapper/307:40:183
241861699110,10cyclictest0-21swapper/307:25:173
241861699110,0cyclictest0-21swapper/309:35:123
241861699110,0cyclictest0-21swapper/309:25:103
241861699109,0cyclictest0-21swapper/312:30:193
2418616991010,0cyclictest0-21swapper/312:40:013
2418616991010,0cyclictest0-21swapper/312:00:123
2418616991010,0cyclictest0-21swapper/310:15:133
2418616991010,0cyclictest0-21swapper/309:50:023
2418616991010,0cyclictest0-21swapper/309:00:113
2418616991010,0cyclictest0-21swapper/308:45:123
2418616991010,0cyclictest0-21swapper/308:40:113
2418616991010,0cyclictest0-21swapper/308:00:123
241861699100,9cyclictest0-21swapper/308:10:003
241861699100,0cyclictest0-21swapper/310:05:193
241861699100,0cyclictest0-21swapper/308:20:173
24186169999,0cyclictest0-21swapper/310:15:013
24186169999,0cyclictest0-21swapper/309:55:113
24186169999,0cyclictest0-21swapper/307:50:003
24186169998,0cyclictest0-21swapper/311:20:133
24186169998,0cyclictest0-21swapper/311:03:153
24186169990,8cyclictest0-21swapper/311:10:183
24186169990,8cyclictest0-21swapper/310:55:123
24186169988,0cyclictest0-21swapper/311:57:033
24186169988,0cyclictest0-21swapper/310:34:063
24186169988,0cyclictest0-21swapper/307:15:013
24186169977,0cyclictest0-21swapper/311:40:133
24186169977,0cyclictest0-21swapper/310:50:143
24186169977,0cyclictest0-21swapper/310:45:163
24186169977,0cyclictest0-21swapper/309:07:093
24186169977,0cyclictest0-21swapper/308:50:123
24186169977,0cyclictest0-21swapper/307:10:103
24186169976,0cyclictest0-21swapper/308:25:163
24186169970,6cyclictest0-21swapper/309:50:213
24186169970,5cyclictest0-21swapper/310:00:013
24186169966,0cyclictest0-21swapper/309:30:193
24186169966,0cyclictest0-21swapper/308:30:113
24186169965,1cyclictest0-21swapper/308:35:123
24186169965,0cyclictest0-21swapper/311:53:303
24186169960,0cyclictest0-21swapper/309:45:013
24186169960,0cyclictest0-21swapper/307:20:163
2416808261,3sleep30-21swapper/307:05:053
2441940250,2sleep12442101-21timerandwakeup08:05:181
24186169955,0cyclictest0-21swapper/311:05:173
24186169954,0cyclictest0-21swapper/312:20:163
24186169954,0cyclictest0-21swapper/311:45:503
24186169951,2cyclictest0-21swapper/311:30:113
24186169950,0cyclictest0-21swapper/311:35:193
2443745240,2sleep02443917-21python308:10:170
24186169944,0cyclictest0-21swapper/309:15:213
24186169940,3cyclictest2539987-21chrt12:05:023
24186169940,3cyclictest2437183-21chrt07:55:033
2418266242,1sleep20-21swapper/207:07:162
2418203242,1sleep10-21swapper/107:06:271
2416850240,2sleep02417002-21sh07:05:140
2543290230,0sleep10-21swapper/112:10:211
2541824230,1sleep00-21swapper/012:09:570
2509664230,1sleep12509680-21apt-get10:55:011
2495328230,1sleep02495354-21apt-get10:20:130
2456369230,1sleep10-21swapper/108:45:121
2438602230,1sleep00-21swapper/007:56:440
2422456230,1sleep00-21swapper/007:15:220
2551226220,1sleep12551379-21systemctl12:30:191
2538971220,1sleep02539220-21users12:00:200
2516520220,1sleep02516907-21apt-key11:10:000
2509279220,0sleep00-21swapper/010:51:350
2506367220,1sleep02506519-21/usr/sbin/munin10:45:160
2497887220,1sleep12497403-21/usr/sbin/munin10:25:151
2494019220,1sleep22494190-21python310:15:202
2488801220,0sleep00-21swapper/010:05:010
2485472220,1sleep12485598-21sort09:55:171
2477824220,1sleep22477851-21perf09:40:022
2468573220,1sleep02468731-21ntp_states09:15:170
2463782220,1sleep0607-21dbus-daemon09:05:000
2440099220,1sleep20-21swapper/208:00:192
2428576220,1sleep12428610-21munin-run07:35:011
2424541220,0sleep00-21swapper/007:22:190
2553902210,0sleep22553904-21ssh12:36:042
2553453210,0sleep00-21swapper/012:35:180
2552518210,0sleep10-21swapper/112:35:111
2550422210,0sleep00-21swapper/012:30:060
2549706210,0sleep10-21swapper/112:25:471
2548882210,0sleep20-21swapper/212:25:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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