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2026-05-25 - 07:10
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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 Mon May 25, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4019888991410,2cyclictest0-21swapper/323:45:023
401988899130,2cyclictest0-21swapper/322:25:113
401988899130,11cyclictest0-21swapper/321:55:123
4019888991210,1cyclictest0-21swapper/320:20:123
401988899120,11cyclictest0-21swapper/321:30:183
401988899120,11cyclictest0-21swapper/320:50:183
401988899120,11cyclictest0-21swapper/320:20:003
401988899120,11cyclictest0-21swapper/300:00:183
4019888991111,0cyclictest0-21swapper/319:55:133
4019888991111,0cyclictest0-21swapper/319:15:273
401988899111,0cyclictest0-21swapper/321:05:023
4019888991110,0cyclictest0-21swapper/322:30:123
401988899110,9cyclictest0-21swapper/300:15:133
401988899110,10cyclictest0-21swapper/323:30:003
401988899110,10cyclictest0-21swapper/322:00:173
401988899110,10cyclictest0-21swapper/321:40:173
401988899110,10cyclictest0-21swapper/319:40:173
401988899110,10cyclictest0-21swapper/300:10:123
401988899110,0cyclictest0-21swapper/321:15:133
401988899109,0cyclictest0-21swapper/323:10:113
401988899109,0cyclictest0-21swapper/320:25:113
401988899109,0cyclictest0-21swapper/319:35:123
401988899109,0cyclictest0-21swapper/319:10:183
4019888991010,0cyclictest0-21swapper/322:40:173
4019888991010,0cyclictest0-21swapper/320:55:133
4019888991010,0cyclictest0-21swapper/300:35:153
401988899100,9cyclictest0-21swapper/323:55:123
401988899100,10cyclictest0-21swapper/320:45:003
401988899100,0cyclictest0-21swapper/322:55:013
401988899100,0cyclictest0-21swapper/322:20:003
401988899100,0cyclictest0-21swapper/322:10:133
401988899100,0cyclictest0-21swapper/321:10:013
401988899100,0cyclictest0-21swapper/320:45:173
401988899100,0cyclictest0-21swapper/319:30:183
401988899100,0cyclictest0-21swapper/300:05:153
40198889999,0cyclictest0-21swapper/321:30:003
40198889997,1cyclictest0-21swapper/320:35:143
40198889990,8cyclictest0-21swapper/322:05:123
40198889990,8cyclictest0-21swapper/320:05:193
40198889990,8cyclictest0-21swapper/319:45:153
40198889988,0cyclictest0-21swapper/323:01:543
40198889988,0cyclictest0-21swapper/321:35:123
40198889988,0cyclictest0-21swapper/300:30:123
40198889987,0cyclictest0-21swapper/323:18:503
40198889980,7cyclictest0-21swapper/323:35:213
40198889980,7cyclictest0-21swapper/319:20:113
40198889977,0cyclictest0-21swapper/321:45:103
40198889977,0cyclictest0-21swapper/320:15:013
40198889977,0cyclictest0-21swapper/319:30:003
40198889977,0cyclictest0-21swapper/300:27:153
40198889970,7cyclictest0-21swapper/320:30:173
40198889966,0cyclictest0-21swapper/321:53:583
40198889965,0cyclictest0-21swapper/323:30:143
40198889960,6cyclictest0-21swapper/321:25:013
40198889960,4cyclictest0-21swapper/322:20:123
40198889960,0cyclictest0-21swapper/322:35:223
4018299261,3sleep30-21swapper/319:05:153
40198889955,0cyclictest0-21swapper/323:40:163
40198889954,0cyclictest0-21swapper/322:45:123
40198889952,2cyclictest4122337-21taskset23:20:143
40198889950,0cyclictest0-21swapper/323:05:013
4018154251,2sleep20-21swapper/219:05:152
40198889944,0cyclictest0-21swapper/323:50:023
40198889944,0cyclictest0-21swapper/320:00:453
40198889944,0cyclictest0-21swapper/300:25:023
40198889940,0cyclictest0-21swapper/322:55:103
40198889940,0cyclictest0-21swapper/321:10:173
4018528241,1sleep00-21swapper/019:05:170
4017848241,2sleep10-21swapper/119:05:021
4151637230,1sleep00-21swapper/000:30:120
4115108230,1sleep24115120-21apt-get23:05:022
4113003230,1sleep24113063-21munin-run23:00:002
4108765231,1sleep24108767-21ssh22:49:202
4085561230,2sleep24085565-21ssh21:54:322
4072619230,1sleep14072640-21apt-get21:25:011
4062952230,1sleep14062978-21apt-get21:00:121
4052337230,2sleep14052489-21grep20:30:181
4036286230,2sleep14036368-21irqstats19:50:161
4034557230,1sleep14034711-21ntp_states19:45:161
40198889931,1cyclictest0-21swapper/319:50:123
4155404220,1sleep00-21swapper/000:38:450
4146421220,0sleep00-21swapper/000:15:280
4132071220,1sleep00-21swapper/023:45:020
4131215220,1sleep20-21swapper/223:40:192
4126491220,1sleep04126577-21irqstats23:30:170
4123994220,1sleep04124096-21cut23:25:120
4114922220,0sleep10-21swapper/123:03:201
4113404220,0sleep00-21swapper/023:00:140
4112610220,1sleep00-21swapper/022:56:310
4109101221,0sleep0328-21plymouthd22:50:150
4104179220,0sleep00-21swapper/022:35:450
4100146220,1sleep00-21swapper/022:26:570
4097441220,1sleep20-21swapper/222:20:192
4091880220,1sleep14092180-21cut22:10:001
4083274220,1sleep24083294-21grep21:50:012
4079778220,1sleep24079932-21memory21:40:162
4075611220,1sleep24075702-21uname21:30:162
4075258220,1sleep04075458-21tr21:30:140
4068560220,1sleep14068578-21munin-run21:15:011
4062682220,1sleep24062894-21sed21:00:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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