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2026-05-19 - 01:27
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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 376 highest latencies:
System rack1slot3.osadl.org (updated Tue May 19, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71977999140,12cyclictest0-21swapper/323:50:133
71977999130,11cyclictest0-21swapper/323:55:093
71977999130,11cyclictest0-21swapper/320:15:113
719779991212,0cyclictest0-21swapper/300:15:133
719779991211,0cyclictest0-21swapper/321:15:153
719779991210,1cyclictest0-21swapper/321:05:123
71977999120,11cyclictest0-21swapper/322:10:133
71977999120,11cyclictest0-21swapper/321:20:113
719779991110,0cyclictest0-21swapper/321:50:103
719779991110,0cyclictest0-21swapper/321:50:013
719779991110,0cyclictest0-21swapper/320:25:003
71977999110,10cyclictest0-21swapper/321:00:193
71977999110,10cyclictest0-21swapper/320:00:153
71977999110,10cyclictest0-21swapper/319:45:133
71977999110,10cyclictest0-21swapper/319:34:563
71977999110,10cyclictest0-21swapper/300:10:193
71977999109,0cyclictest0-21swapper/321:40:153
719779991010,0cyclictest0-21swapper/323:10:003
719779991010,0cyclictest0-21swapper/319:55:133
719779991010,0cyclictest0-21swapper/319:15:013
719779991010,0cyclictest0-21swapper/300:35:193
71977999100,0cyclictest0-21swapper/323:40:113
71977999100,0cyclictest0-21swapper/322:25:143
71977999100,0cyclictest0-21swapper/319:45:003
7197799999,0cyclictest0-21swapper/323:31:043
7197799999,0cyclictest0-21swapper/319:35:183
7197799999,0cyclictest0-21swapper/319:20:173
7197799999,0cyclictest0-21swapper/300:31:513
7197799998,0cyclictest0-21swapper/322:15:143
7197799998,0cyclictest0-21swapper/321:35:113
7197799998,0cyclictest0-21swapper/319:10:163
7197799990,9cyclictest0-21swapper/320:25:163
7197799990,8cyclictest0-21swapper/320:40:173
7197799988,0cyclictest0-21swapper/323:30:013
7197799988,0cyclictest0-21swapper/321:55:183
7197799988,0cyclictest0-21swapper/320:45:123
7197799988,0cyclictest0-21swapper/319:29:553
7197799988,0cyclictest0-21swapper/300:05:133
7197799988,0cyclictest0-21swapper/300:00:203
7197799987,0cyclictest0-21swapper/321:33:043
7197799987,0cyclictest0-21swapper/321:10:113
7197799987,0cyclictest0-21swapper/320:05:143
718094281,5sleep30-21swapper/319:05:123
7197799977,0cyclictest0-21swapper/323:20:013
7197799977,0cyclictest0-21swapper/323:03:543
7197799977,0cyclictest0-21swapper/322:35:133
7197799977,0cyclictest0-21swapper/322:20:163
7197799977,0cyclictest0-21swapper/320:55:013
7197799977,0cyclictest0-21swapper/320:10:203
7197799971,5cyclictest0-21swapper/322:50:123
7197799970,6cyclictest0-21swapper/322:40:153
7197799966,0cyclictest0-21swapper/323:45:163
7197799966,0cyclictest0-21swapper/322:30:173
7197799966,0cyclictest0-21swapper/321:25:173
7197799965,0cyclictest0-21swapper/322:45:173
7197799965,0cyclictest0-21swapper/300:25:093
810694250,1sleep20-21swapper/222:55:172
7197799955,0cyclictest0-21swapper/323:20:133
7197799954,0cyclictest0-21swapper/323:37:353
7197799954,0cyclictest0-21swapper/322:00:133
7197799950,4cyclictest0-21swapper/300:20:193
719504250,1sleep10-21swapper/119:08:191
719438250,1sleep20-21swapper/219:07:282
7197799944,0cyclictest0-21swapper/323:10:113
7197799944,0cyclictest0-21swapper/319:50:233
7197799943,0cyclictest0-21swapper/322:55:033
7197799940,3cyclictest790310-21taskset22:05:183
7197799940,3cyclictest752456-21chrt20:31:323
7197799940,2cyclictest0-21swapper/320:50:133
718344241,1sleep00-21swapper/019:05:130
774772230,1sleep1774798-21apt-get21:30:111
757321230,2sleep1756819-21/usr/sbin/munin20:45:161
729037230,2sleep1729142-21timerandwakeup19:30:191
7197799933,0cyclictest0-21swapper/320:35:053
853031220,1sleep0853151-21telnet00:35:130
843976221,1sleep2451ktimers/200:13:382
841749220,1sleep10-21swapper/100:07:211
836950220,1sleep1836024-21/usr/sbin/munin23:55:161
836487220,1sleep2836640-21memory23:55:132
835667220,1sleep2835669-21ssh23:54:052
826317220,1sleep0826394-21/usr/sbin/munin23:30:170
820902220,1sleep0821155-21latency_hist23:20:020
818349220,0sleep00-21swapper/023:13:120
812023220,1sleep1812042-21munin-run23:00:001
798541220,1sleep1798695-21switchtime22:25:191
791167220,1sleep1791398-21latency_hist22:10:011
790137220,1sleep2790309-21python322:05:182
785277220,1sleep2441rcuc/221:55:132
777242220,1sleep0777326-21irqstats21:35:140
761403220,0sleep00-21swapper/020:55:160
755285220,0sleep00-21swapper/020:40:160
748131220,1sleep2748279-21find20:20:152
739666220,1sleep0739908-21tr20:00:130
854321210,0sleep20-21swapper/200:35:312
852980210,0sleep10-21swapper/100:35:021
851124210,0sleep20-21swapper/200:30:152
850764210,0sleep00-21swapper/000:30:130
850368210,0sleep20-21swapper/200:29:442
849011210,0sleep00-21swapper/000:25:130
848325210,0sleep10-21swapper/100:25:031
847118210,0sleep10-21swapper/100:20:171
846619210,0sleep20-21swapper/200:20:142
846497210,0sleep00-21swapper/000:20:120
845131210,0sleep20-21swapper/200:15:182
844830210,0sleep00-21swapper/000:15:170
844134210,0sleep10-21swapper/100:15:011
842733210,0sleep00-21swapper/000:10:160
842298210,0sleep10-21swapper/100:10:091
840756210,0sleep20-21swapper/200:05:172
840492210,0sleep00-21swapper/000:05:150
839547210,0sleep10-21swapper/100:01:171
839479210,1sleep00-21swapper/000:00:400
836146210,0sleep00-21swapper/023:55:110
834890210,0sleep10-21swapper/123:50:201
834074210,0sleep00-21swapper/023:50:150
833276210,0sleep00-21swapper/023:46:180
832338210,0sleep10-21swapper/123:45:201
831885210,0sleep20-21swapper/223:45:172
831137210,0sleep20-21swapper/223:40:482
829383210,0sleep10-21swapper/123:38:551
829003210,0sleep20-21swapper/223:35:322
828573210,0sleep00-21swapper/023:35:180
827142210,0sleep20-21swapper/223:32:272
825589210,0sleep10-21swapper/123:30:061
824746210,0sleep10-21swapper/123:27:021
824237210,0sleep20-21swapper/223:25:192
823317210,0sleep00-21swapper/023:25:130
822479210,0sleep20-21swapper/223:20:232
821176210,0sleep10-21swapper/123:20:151
819519210,0sleep10-21swapper/123:15:171
819058210,1sleep00-21swapper/023:15:040
817486210,0sleep20-21swapper/223:10:182
816471210,0sleep10-21swapper/123:10:011
816378210,0sleep00-21swapper/023:09:120
814902210,0sleep20-21swapper/223:05:152
814391210,0sleep10-21swapper/123:05:021
814080210,0sleep00-21swapper/023:02:150
812566210,0sleep20-21swapper/223:00:132
811791210,0sleep00-21swapper/022:57:550
809505210,0sleep00-21swapper/022:51:070
808118210,0sleep10-21swapper/122:50:121
806468210,0sleep10-21swapper/122:45:151
806036210,0sleep20-21swapper/222:45:122
805636210,0sleep20-21swapper/222:43:442
805598210,0sleep10-21swapper/122:43:231
805298210,0sleep00-21swapper/022:40:430
803209210,1sleep00-21swapper/022:35:500
802697210,0sleep10-21swapper/122:35:191
801541210,0sleep00-21swapper/022:34:300
799956210,0sleep10-21swapper/122:30:141
798705210,0sleep20-21swapper/222:25:192
797465210,0sleep00-21swapper/022:25:020
796026210,0sleep10-21swapper/122:20:141
795792210,0sleep00-21swapper/022:20:130
795603210,0sleep20-21swapper/222:20:112
794543210,0sleep00-21swapper/022:15:210
793604210,0sleep2793870-21cstates22:15:152
793246210,0sleep10-21swapper/122:15:021
793126210,0sleep10-21swapper/122:13:571
792798210,0sleep20-21swapper/222:11:032
791420210,0sleep00-21swapper/022:10:120
789339210,0sleep00-21swapper/022:05:120
787717210,0sleep10-21swapper/122:00:171
786402210,0sleep10-21swapper/121:55:201
785155210,0sleep00-21swapper/021:55:110
784742210,0sleep20-21swapper/221:53:372
784529210,1sleep00-21swapper/021:51:430
783163210,0sleep10-21swapper/121:50:121
782356210,0sleep00-21swapper/021:45:550
782238210,0sleep10-21swapper/121:45:251
781260210,0sleep20-21swapper/221:45:182
779063210,0sleep20-21swapper/221:40:122
778939210,0sleep10-21swapper/121:40:111
778910210,0sleep00-21swapper/021:40:100
777538210,0sleep20-21swapper/221:35:162
777327210,0sleep10-21swapper/121:35:151
776437210,1sleep00-21swapper/021:33:580
775450210,0sleep20-21swapper/221:30:172
773203210,0sleep10-21swapper/121:25:141
773024210,0sleep00-21swapper/021:25:130
771245210,0sleep20-21swapper/221:20:152
771163210,0sleep10-21swapper/121:20:141
770964210,0sleep00-21swapper/021:20:140
769417210,0sleep20-21swapper/221:15:192
768703210,0sleep10-21swapper/121:15:141
767638210,0sleep20-21swapper/221:10:182
767404210,0sleep00-21swapper/021:10:160
766893210,0sleep10-21swapper/121:10:131
765785210,0sleep0766034-21users21:05:200
764500210,0sleep10-21swapper/121:05:021
763798210,0sleep10-21swapper/121:00:211
762992210,0sleep00-21swapper/021:00:160
762837210,0sleep20-21swapper/221:00:142
761686210,0sleep20-21swapper/220:55:182
761579210,0sleep10-21swapper/120:55:171
760230210,0sleep00-21swapper/020:52:550
758731210,0sleep10-21swapper/120:50:121
758240210,0sleep00-21swapper/020:46:550
756573210,0sleep20-21swapper/220:45:012
754919210,0sleep20-21swapper/220:40:132
754909210,0sleep10-21swapper/120:40:121
753732210,0sleep00-21swapper/020:35:180
753426210,0sleep20-21swapper/220:35:162
753342210,0sleep10-21swapper/120:35:151
752586210,1sleep00-21swapper/020:33:100
752197210,0sleep20-21swapper/220:30:202
749582210,0sleep00-21swapper/020:25:140
749180210,0sleep20-21swapper/220:25:132
749151210,0sleep10-21swapper/120:25:121
747331210,0sleep10-21swapper/120:20:101
746547210,0sleep20-21swapper/220:15:192
746196210,0sleep00-21swapper/020:15:170
745750210,0sleep10-21swapper/120:15:141
743519210,0sleep10-21swapper/120:10:141
743150210,0sleep00-21swapper/020:10:010
742451210,0sleep20-21swapper/220:05:182
742195210,0sleep00-21swapper/020:05:160
738619210,0sleep00-21swapper/019:55:200
738374210,0sleep20-21swapper/219:55:182
738172210,0sleep10-21swapper/119:55:171
736214210,0sleep00-21swapper/019:50:160
735855210,0sleep20-21swapper/219:50:142
735743210,0sleep10-21swapper/119:50:131
734438210,0sleep20-21swapper/219:45:182
734115210,0sleep00-21swapper/019:45:150
733576210,0sleep10-21swapper/119:45:001
730600210,0sleep00-21swapper/019:35:230
729735210,0sleep20-21swapper/219:35:012
729595210,0sleep00-21swapper/019:33:150
729143210,0sleep20-21swapper/219:30:212
727120210,0sleep00-21swapper/019:25:180
725885210,0sleep20-21swapper/219:24:442
725678210,0sleep00-21swapper/019:22:030
724245210,0sleep10-21swapper/119:20:111
723612210,0sleep10-21swapper/119:15:221
722498210,0sleep20-21swapper/219:15:152
720488210,0sleep20-21swapper/219:10:152
719729210,0sleep00-21swapper/019:10:010
850640200,0sleep10-21swapper/100:30:021
837869200,0sleep20-21swapper/200:00:012
829768200,0sleep10-21swapper/123:40:031
829767200,0sleep00-21swapper/023:40:020
819051200,0sleep20-21swapper/223:15:022
812550200,0sleep10-21swapper/123:00:041
807863200,0sleep20-21swapper/222:50:022
806020200,0sleep00-21swapper/022:45:020
801835200,0sleep20-21swapper/222:35:042
799753200,0sleep20-21swapper/222:30:032
787242200,0sleep00-21swapper/022:00:050
786984200,0sleep20-21swapper/222:00:022
772746200,0sleep20-21swapper/221:25:032
768684200,0sleep00-21swapper/021:15:050
764733200,0sleep20-21swapper/221:05:032
758483200,0sleep20-21swapper/220:50:022
751054200,0sleep10-21swapper/120:30:031
746975200,0sleep00-21swapper/020:20:010
743384200,0sleep20-21swapper/220:10:042
741436200,0sleep10-21swapper/120:05:011
739563200,0sleep20-21swapper/220:00:022
739308200,0sleep10-21swapper/120:00:021
733814200,0sleep10-21swapper/119:45:051
731902200,0sleep00-21swapper/019:40:030
731645200,0sleep20-21swapper/219:40:012
729971200,0sleep10-21swapper/119:35:041
726147200,0sleep20-21swapper/219:25:042
726146200,0sleep10-21swapper/119:25:031
722145200,0sleep00-21swapper/019:15:010
719926200,0sleep10-21swapper/119:10:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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