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2026-04-25 - 06:30
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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 Sat Apr 25, 2026 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3505474991812,5cyclictest0-21swapper/320:40:013
3505474991411,1cyclictest0-21swapper/323:05:123
3505474991311,0cyclictest0-21swapper/321:15:133
350547499130,11cyclictest0-21swapper/321:25:123
3505474991211,0cyclictest0-21swapper/323:15:113
3505474991211,0cyclictest0-21swapper/319:34:593
3505474991211,0cyclictest0-21swapper/300:30:123
350547499120,1cyclictest0-21swapper/322:00:133
350547499120,11cyclictest0-21swapper/321:55:113
350547499120,11cyclictest0-21swapper/319:20:003
350547499118,2cyclictest0-21swapper/323:30:103
3505474991110,0cyclictest0-21swapper/323:10:103
3505474991110,0cyclictest0-21swapper/319:40:123
3505474991110,0cyclictest0-21swapper/300:05:123
350547499110,10cyclictest0-21swapper/320:25:183
350547499110,10cyclictest0-21swapper/300:17:013
350547499110,0cyclictest0-21swapper/320:05:173
350547499109,1cyclictest0-21swapper/322:35:113
350547499109,0cyclictest0-21swapper/323:25:133
350547499109,0cyclictest0-21swapper/320:45:013
350547499108,1cyclictest0-21swapper/321:50:133
3505474991010,0cyclictest0-21swapper/322:55:113
3505474991010,0cyclictest0-21swapper/321:30:123
3505474991010,0cyclictest0-21swapper/320:50:173
3505474991010,0cyclictest0-21swapper/319:25:113
350547499100,9cyclictest0-21swapper/320:10:173
350547499100,9cyclictest0-21swapper/319:40:003
350547499100,10cyclictest0-21swapper/323:50:173
350547499100,0cyclictest0-21swapper/320:00:183
350547499100,0cyclictest0-21swapper/319:50:123
350547499100,0cyclictest0-21swapper/319:25:003
35054749999,0cyclictest0-21swapper/322:40:173
35054749999,0cyclictest0-21swapper/321:05:173
35054749999,0cyclictest0-21swapper/320:20:013
35054749999,0cyclictest0-21swapper/300:35:143
35054749998,0cyclictest0-21swapper/323:49:563
35054749998,0cyclictest0-21swapper/323:21:453
35054749998,0cyclictest0-21swapper/322:30:133
35054749998,0cyclictest0-21swapper/322:20:113
35054749997,1cyclictest0-21swapper/300:00:113
35054749990,8cyclictest0-21swapper/322:09:563
35054749988,0cyclictest0-21swapper/322:55:013
35054749988,0cyclictest0-21swapper/319:10:123
35054749988,0cyclictest0-21swapper/300:20:133
35054749980,0cyclictest0-21swapper/321:40:133
35054749977,0cyclictest0-21swapper/322:10:133
35054749977,0cyclictest0-21swapper/321:10:173
35054749977,0cyclictest0-21swapper/300:25:133
35054749976,0cyclictest0-21swapper/323:55:163
35054749976,0cyclictest0-21swapper/321:20:113
35054749970,5cyclictest0-21swapper/321:45:143
3602983262,3sleep1766-21snmpd23:06:231
35054749966,0cyclictest0-21swapper/323:43:023
35054749966,0cyclictest0-21swapper/322:25:143
35054749966,0cyclictest0-21swapper/322:19:313
35054749966,0cyclictest0-21swapper/320:55:213
35054749966,0cyclictest0-21swapper/300:10:183
35054749965,1cyclictest0-21swapper/320:30:183
35054749965,0cyclictest0-21swapper/323:01:423
3503942261,3sleep30-21swapper/319:05:153
3522110250,3sleep03522192-21irqstats19:50:150
35054749954,0cyclictest0-21swapper/319:56:273
35054749950,3cyclictest0-21swapper/323:39:563
35054749950,2cyclictest0-21swapper/319:45:133
35054749950,0cyclictest0-21swapper/321:35:123
3503411252,1sleep10-21swapper/119:05:001
3607554240,3sleep13607579-21apt-get23:20:011
3586688240,2sleep03586714-21apt-get22:30:130
3529857240,3sleep03530060-21sed20:10:160
3515923240,2sleep13515949-21apt-get19:35:111
35054749944,0cyclictest0-21swapper/321:01:143
35054749944,0cyclictest0-21swapper/320:20:223
35054749940,4cyclictest0-21swapper/322:45:583
35054749940,3cyclictest3539471-21chrt20:35:123
3505048241,2sleep20-21swapper/219:06:292
3504623241,1sleep00-21swapper/019:05:200
3633669230,1sleep13633695-21apt-get00:20:131
3627898230,2sleep13628042-21cat00:05:161
3599480230,1sleep23599506-21apt-get23:00:132
3519767230,1sleep23519793-21apt-get19:45:122
3641646220,1sleep13641650-21ssh00:39:141
3635338220,0sleep00-21swapper/000:23:360
3626290220,1sleep03626577-21grep00:00:170
3625838220,1sleep13626043-21grep00:00:151
3616478220,1sleep10-21swapper/123:40:141
3616164220,0sleep00-21swapper/023:40:010
3610786220,1sleep13610936-21ntp_states23:25:171
3605451220,0sleep00-21swapper/023:14:520
3592956220,0sleep10-21swapper/122:45:151
3590302220,0sleep00-21swapper/022:37:250
3576006220,1sleep23576020-21munin-run22:05:012
3575766220,0sleep00-21swapper/022:02:500
3566918220,0sleep00-21swapper/021:40:460
3558481220,1sleep10-21swapper/121:20:171
3555408220,1sleep03555434-21apt-get21:15:120
3552364220,1sleep23552512-21/usr/sbin/munin21:05:172
3550336220,1sleep23550470-21cat21:00:172
3540237220,1sleep03540410-21python320:35:180
3539442220,0sleep20-21swapper/220:35:122
3534240220,1sleep03534412-21python320:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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