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2026-05-02 - 18:33
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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 May 02, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69013299140,12cyclictest0-21swapper/307:25:123
690132991310,1cyclictest0-21swapper/312:00:133
69013299130,12cyclictest0-21swapper/311:40:003
690132991211,0cyclictest0-21swapper/311:25:123
69013299120,11cyclictest0-21swapper/311:05:133
69013299120,11cyclictest0-21swapper/310:00:123
69013299120,11cyclictest0-21swapper/309:45:003
69013299120,11cyclictest0-21swapper/308:00:123
69013299120,0cyclictest0-21swapper/310:05:123
69013299119,1cyclictest0-21swapper/312:30:123
690132991111,0cyclictest0-21swapper/311:45:133
690132991110,0cyclictest0-21swapper/311:10:163
690132991110,0cyclictest0-21swapper/310:25:153
69013299110,11cyclictest0-21swapper/312:20:013
69013299110,10cyclictest0-21swapper/309:40:013
69013299110,0cyclictest0-21swapper/309:10:013
69013299110,0cyclictest0-21swapper/307:30:133
69013299109,0cyclictest0-21swapper/307:55:123
690132991010,0cyclictest0-21swapper/310:40:163
690132991010,0cyclictest0-21swapper/308:10:183
690132991010,0cyclictest0-21swapper/307:20:143
69013299100,10cyclictest0-21swapper/311:20:183
69013299100,0cyclictest0-21swapper/308:50:013
69013299100,0cyclictest0-21swapper/307:35:513
6901329999,0cyclictest0-21swapper/311:50:183
6901329999,0cyclictest0-21swapper/311:35:143
6901329999,0cyclictest0-21swapper/310:20:123
6901329999,0cyclictest0-21swapper/310:20:003
6901329999,0cyclictest0-21swapper/309:45:173
6901329999,0cyclictest0-21swapper/309:20:133
6901329999,0cyclictest0-21swapper/307:40:183
6901329998,0cyclictest0-21swapper/311:15:183
6901329998,0cyclictest0-21swapper/310:50:123
6901329998,0cyclictest0-21swapper/307:50:013
6901329990,8cyclictest0-21swapper/312:20:163
6901329990,0cyclictest0-21swapper/309:10:183
6901329988,0cyclictest0-21swapper/312:35:153
6901329988,0cyclictest0-21swapper/310:35:123
6901329988,0cyclictest0-21swapper/309:20:013
6901329988,0cyclictest0-21swapper/309:00:183
6901329988,0cyclictest0-21swapper/308:40:123
6901329988,0cyclictest0-21swapper/307:50:173
6901329987,1cyclictest0-21swapper/311:55:123
6901329980,0cyclictest0-21swapper/307:15:173
689182281,4sleep30-21swapper/307:05:203
6901329977,0cyclictest0-21swapper/310:58:553
6901329977,0cyclictest0-21swapper/310:45:193
6901329977,0cyclictest0-21swapper/308:50:173
6901329977,0cyclictest0-21swapper/308:20:153
6901329970,7cyclictest0-21swapper/311:00:173
6901329970,6cyclictest0-21swapper/312:05:123
6901329970,0cyclictest0-21swapper/310:10:103
6901329970,0cyclictest0-21swapper/309:55:013
6901329970,0cyclictest0-21swapper/308:55:123
6901329966,0cyclictest0-21swapper/310:30:133
6901329966,0cyclictest0-21swapper/308:30:123
6901329960,6cyclictest0-21swapper/309:25:183
6901329955,0cyclictest0-21swapper/309:55:153
6901329955,0cyclictest0-21swapper/309:30:143
6901329955,0cyclictest0-21swapper/308:15:183
6901329955,0cyclictest0-21swapper/308:05:153
6901329954,1cyclictest0-21swapper/307:15:003
6901329954,0cyclictest0-21swapper/311:30:493
729763240,1sleep1729789-21apt-get08:50:111
706365240,3sleep2706650-21expr07:50:142
6901329944,0cyclictest0-21swapper/312:11:203
6901329944,0cyclictest0-21swapper/308:35:013
6901329944,0cyclictest0-21swapper/308:25:083
6901329940,2cyclictest0-21swapper/312:25:133
689640242,1sleep20-21swapper/207:05:392
689624242,1sleep10-21swapper/107:05:261
817464230,2sleep1817552-21cut12:20:011
812519230,1sleep1812764-21users12:05:201
780947230,1sleep2780963-21apt-get10:55:012
757722230,1sleep20-21swapper/210:00:002
745668230,0sleep20-21swapper/209:30:162
727589230,1sleep1727615-21apt-get08:45:121
692777230,2sleep0693038-21cstates07:15:130
688320231,1sleep00-21swapper/007:05:130
821638220,1sleep00-21swapper/012:29:570
809393220,1sleep2809419-21apt-get12:00:132
807909220,1sleep2807288-21/usr/sbin/munin11:55:172
807762220,1sleep1807908-21memory11:55:151
805188220,1sleep00-21swapper/011:50:020
797136220,1sleep1797308-21python311:30:181
790429220,1sleep1790583-21ntp_states11:15:161
785833220,1sleep0786079-21diskstats11:05:160
783593220,1sleep2783565-21/usr/sbin/munin11:00:122
771868220,0sleep00-21swapper/010:30:530
759349220,0sleep1341rcuc/110:00:491
757995220,1sleep0758019-21apt10:00:110
754327220,1sleep1754533-21ntpq09:50:161
751966220,1sleep0752170-21/usr/sbin/munin09:45:150
749278220,0sleep00-21swapper/009:39:140
745514220,1sleep0745540-21apt-get09:30:130
735267220,1sleep1735286-21munin-run09:05:011
730473220,0sleep20-21swapper/208:50:172
724716220,1sleep10-21swapper/108:35:181
715038220,1sleep00-21swapper/008:10:200
712120220,1sleep0712416-21df08:05:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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