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2026-05-20 - 01:44
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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 highest latencies:
System rack1slot3.osadl.org (updated Wed May 20, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59221999130,1cyclictest0-21swapper/323:00:113
59221999130,11cyclictest0-21swapper/322:00:123
592219991211,0cyclictest0-21swapper/322:10:113
59221999120,11cyclictest0-21swapper/323:45:143
59221999120,11cyclictest0-21swapper/322:20:133
59221999120,11cyclictest0-21swapper/321:14:563
59221999120,11cyclictest0-21swapper/320:40:173
59221999120,11cyclictest0-21swapper/320:30:203
59221999120,11cyclictest0-21swapper/320:26:143
59221999120,11cyclictest0-21swapper/300:25:023
592219991110,0cyclictest0-21swapper/322:35:133
592219991110,0cyclictest0-21swapper/320:20:203
59221999110,8cyclictest0-21swapper/320:55:163
59221999110,10cyclictest0-21swapper/323:15:153
59221999110,10cyclictest0-21swapper/319:30:163
59221999110,10cyclictest0-21swapper/319:21:113
59221999110,10cyclictest0-21swapper/300:15:133
59221999110,0cyclictest0-21swapper/323:35:013
59221999110,0cyclictest0-21swapper/300:10:023
59221999109,0cyclictest0-21swapper/321:40:133
592219991010,0cyclictest0-21swapper/323:25:193
592219991010,0cyclictest0-21swapper/322:50:223
592219991010,0cyclictest0-21swapper/322:05:143
592219991010,0cyclictest0-21swapper/320:40:023
59221999100,9cyclictest0-21swapper/323:15:013
59221999100,9cyclictest0-21swapper/321:45:203
59221999100,10cyclictest0-21swapper/300:00:193
59221999100,0cyclictest0-21swapper/321:40:003
59221999100,0cyclictest0-21swapper/321:20:113
59221999100,0cyclictest0-21swapper/321:00:183
59221999100,0cyclictest0-21swapper/320:15:183
5922199999,0cyclictest0-21swapper/323:50:213
5922199999,0cyclictest0-21swapper/323:05:113
5922199999,0cyclictest0-21swapper/322:49:563
5922199999,0cyclictest0-21swapper/321:30:123
5922199999,0cyclictest0-21swapper/321:20:013
5922199998,0cyclictest0-21swapper/320:50:133
5922199998,0cyclictest0-21swapper/300:25:133
5922199998,0cyclictest0-21swapper/300:25:123
5922199990,8cyclictest0-21swapper/322:55:163
5922199990,8cyclictest0-21swapper/319:35:153
5922199990,8cyclictest0-21swapper/319:25:123
5922199990,0cyclictest0-21swapper/300:30:133
5922199988,0cyclictest0-21swapper/323:55:113
5922199988,0cyclictest0-21swapper/322:40:163
5922199988,0cyclictest0-21swapper/321:25:123
5922199988,0cyclictest0-21swapper/300:36:313
5922199987,0cyclictest0-21swapper/320:45:123
5922199987,0cyclictest0-21swapper/320:00:183
5922199986,1cyclictest0-21swapper/323:40:173
590371280,5sleep30-21swapper/319:05:133
5922199977,0cyclictest0-21swapper/322:15:123
5922199977,0cyclictest0-21swapper/319:50:163
5922199977,0cyclictest0-21swapper/300:10:173
5922199976,0cyclictest0-21swapper/323:35:173
5922199976,0cyclictest0-21swapper/323:20:143
5922199966,0cyclictest0-21swapper/321:50:133
5922199966,0cyclictest0-21swapper/319:50:003
5922199965,1cyclictest0-21swapper/319:10:153
5922199960,6cyclictest0-21swapper/321:55:173
724384250,3sleep1724468-21irqstats00:30:171
5922199954,0cyclictest0-21swapper/320:10:023
5922199951,2cyclictest0-21swapper/319:55:123
5922199950,3cyclictest0-21swapper/319:40:543
5922199950,0cyclictest0-21swapper/319:19:053
5922199944,0cyclictest0-21swapper/322:30:143
5922199944,0cyclictest0-21swapper/322:25:093
5922199940,3cyclictest6141402chrt20:05:133
5922199940,2cyclictest0-21swapper/321:05:123
591930242,1sleep10-21swapper/119:09:051
590342240,1sleep2590368-21apt-get19:05:132
703165230,2sleep1703075-21/usr/sbin/munin23:40:131
675410230,1sleep10-21swapper/122:35:001
631374230,2sleep0631477-21latency_hist20:50:010
624506230,2sleep1623957-21/usr/sbin/munin20:30:161
622041230,1sleep0622067-21apt-get20:25:120
600695230,1sleep2600721-21apt-get19:30:112
591086231,1sleep00-21swapper/019:05:190
726639220,1sleep2726770-21awk00:35:172
722311220,1sleep1722444-21sed00:25:161
722311220,1sleep1722444-21sed00:25:151
714835220,0sleep00-21swapper/000:05:290
710254220,1sleep0710407-21sed23:55:170
700445220,1sleep00-21swapper/023:32:360
696533220,0sleep00-21swapper/023:24:510
692599220,1sleep00-21swapper/023:15:030
690708220,1sleep0690790-21irqstats23:10:130
688461220,0sleep00-21swapper/023:05:140
668610221,0sleep2191rcu_preempt22:17:362
654288220,1sleep2654322-21basename21:45:142
652202220,1sleep0652228-21apt-get21:40:130
647391220,0sleep00-21swapper/021:28:030
642841220,1sleep00-21swapper/021:15:230
636569220,1sleep0636694-21python321:00:180
623705220,1sleep1623721-21munin-run20:30:011
617586220,1sleep00-21swapper/020:10:230
606542220,1sleep0606757-21grep19:45:140
605577220,1sleep2605827-21users19:40:192
596605220,1sleep1596789-21ls19:20:011
727498210,0sleep00-21swapper/000:36:510
726474210,0sleep10-21swapper/100:35:161
724133210,0sleep00-21swapper/000:30:160
723947210,0sleep20-21swapper/200:30:142
723476210,0sleep00-21swapper/000:28:070
723476210,0sleep00-21swapper/000:28:060
723239210,0sleep20-21swapper/200:26:002
723239210,0sleep20-21swapper/200:26:002
719942210,0sleep20-21swapper/200:20:172
719817210,0sleep10-21swapper/100:20:161
719789210,1sleep00-21swapper/000:20:150
718396210,0sleep20-21swapper/200:15:162
717676210,0sleep10-21swapper/100:15:111
717426210,0sleep00-21swapper/000:15:020
716389210,0sleep10-21swapper/100:10:191
716279210,0sleep00-21swapper/000:10:180
714980210,0sleep20-21swapper/200:06:482
713557210,0sleep10-21swapper/100:05:181
712926210,1sleep00-21swapper/000:02:010
711542210,0sleep20-21swapper/200:00:152
711161210,0sleep10-21swapper/100:00:021
709317210,0sleep10-21swapper/123:55:101
708909210,1sleep00-21swapper/023:53:360
707820210,0sleep10-21swapper/123:50:171
706885210,0sleep00-21swapper/023:49:090
705199210,0sleep20-21swapper/223:45:142
703443210,0sleep20-21swapper/223:40:142
703074210,0sleep00-21swapper/023:40:110
702331210,0sleep10-21swapper/123:35:521
701716210,0sleep20-21swapper/223:35:172
700536210,0sleep10-21swapper/123:33:251
700192210,0sleep20-21swapper/223:30:222
698115210,0sleep20-21swapper/223:25:252
697301210,0sleep10-21swapper/123:25:151
696162210,0sleep20-21swapper/223:21:322
696101210,0sleep10-21swapper/123:20:591
694361210,0sleep20-21swapper/223:19:132
693371210,0sleep10-21swapper/123:15:201
691807210,0sleep10-21swapper/123:12:231
690315210,0sleep20-21swapper/223:10:112
689234210,0sleep10-21swapper/123:05:191
688193210,0sleep20-21swapper/223:05:112
687517210,0sleep10-21swapper/123:01:151
686642210,0sleep20-21swapper/223:00:162
685837210,0sleep00-21swapper/023:00:010
684809210,0sleep00-21swapper/022:55:170
684440210,0sleep10-21swapper/122:55:141
684009210,0sleep20-21swapper/222:55:112
683355210,0sleep00-21swapper/022:51:250
682124210,0sleep10-21swapper/122:50:181
681391210,1sleep1766-21snmpd22:47:291
681310210,0sleep20-21swapper/222:46:472
679303210,0sleep10-21swapper/122:42:251
677771210,0sleep00-21swapper/022:40:130
676969210,0sleep20-21swapper/222:35:222
676707210,0sleep00-21swapper/022:35:200
675650210,0sleep10-21swapper/122:35:051
673737210,0sleep20-21swapper/222:30:132
673581210,0sleep00-21swapper/022:30:110
672882210,0sleep00-21swapper/022:26:040
672273210,0sleep20-21swapper/222:25:172
670853210,0sleep00-21swapper/022:21:310
669938210,0sleep20-21swapper/222:20:172
667144210,0sleep00-21swapper/022:15:140
667035210,0sleep10-21swapper/122:15:031
664974210,0sleep00-21swapper/022:10:150
664708210,0sleep20-21swapper/222:10:132
664226210,0sleep20-21swapper/222:08:012
662654210,1sleep00-21swapper/022:05:130
661229210,0sleep00-21swapper/022:00:180
660704210,0sleep10-21swapper/122:00:141
660529210,0sleep20-21swapper/222:00:032
659266210,0sleep10-21swapper/121:55:191
658879210,0sleep20-21swapper/221:55:162
658439210,0sleep00-21swapper/021:55:100
657996210,0sleep10-21swapper/121:53:181
657857210,0sleep20-21swapper/221:52:032
654716210,0sleep10-21swapper/121:45:181
654028210,0sleep00-21swapper/021:45:010
652230210,0sleep10-21swapper/121:40:141
651752210,1sleep1651756-21ssh21:38:291
651425210,0sleep20-21swapper/221:35:212
650736210,0sleep0650890-21ntp_states21:35:150
649474210,0sleep00-21swapper/021:31:000
648169210,0sleep20-21swapper/221:30:142
647587210,0sleep10-21swapper/121:30:011
646702210,0sleep20-21swapper/221:25:182
646573210,0sleep10-21swapper/121:25:161
644255210,0sleep00-21swapper/021:20:150
643823210,0sleep10-21swapper/121:20:121
643286210,0sleep20-21swapper/221:20:012
643004210,0sleep10-21swapper/121:17:001
642442210,0sleep20-21swapper/221:15:212
641059210,0sleep20-21swapper/221:12:242
640876210,0sleep10-21swapper/121:10:351
639789210,0sleep00-21swapper/021:10:140
639140210,0sleep00-21swapper/021:07:590
637637210,0sleep20-21swapper/221:05:122
637345210,0sleep10-21swapper/121:04:281
635726210,0sleep20-21swapper/221:00:122
634868210,1sleep00-21swapper/020:55:490
634043210,0sleep2634235-21strings20:55:152
632591210,0sleep20-21swapper/220:50:202
631682210,0sleep00-21swapper/020:50:140
631479210,0sleep10-21swapper/120:50:031
630152210,0sleep20-21swapper/220:45:152
629312210,1sleep00-21swapper/020:43:050
628231210,0sleep20-21swapper/220:40:142
625957210,0sleep00-21swapper/020:35:130
624920210,0sleep00-21swapper/020:30:190
624047210,0sleep20-21swapper/220:30:132
622195210,0sleep20-21swapper/220:25:132
621789210,0sleep20-21swapper/220:24:582
620809210,0sleep10-21swapper/120:20:171
620131210,0sleep00-21swapper/020:20:110
619163210,0sleep10-21swapper/120:15:201
617949210,0sleep20-21swapper/220:15:012
616729210,0sleep20-21swapper/220:10:172
614899210,0sleep00-21swapper/020:05:180
614619210,0sleep2614816-21strings20:05:172
613549210,0sleep00-21swapper/020:00:590
612224210,0sleep20-21swapper/220:00:122
611607210,1sleep00-21swapper/019:55:500
610269210,0sleep20-21swapper/219:55:122
609329210,0sleep20-21swapper/219:50:192
608545210,0sleep10-21swapper/119:50:141
607427210,0sleep20-21swapper/219:45:202
604032210,0sleep10-21swapper/119:36:571
602794210,0sleep20-21swapper/219:35:142
602609210,0sleep00-21swapper/019:35:120
601656210,0sleep10-21swapper/119:30:181
600849210,0sleep00-21swapper/019:30:130
600363210,0sleep10-21swapper/119:28:571
598809210,0sleep00-21swapper/019:25:120
598416210,1sleep00-21swapper/019:23:280
597100210,0sleep10-21swapper/119:20:121
596791210,0sleep20-21swapper/219:20:012
596238210,0sleep20-21swapper/219:15:222
595377210,0sleep00-21swapper/019:15:160
593347210,0sleep20-21swapper/219:10:212
593215210,0sleep10-21swapper/119:10:201
592569210,0sleep00-21swapper/019:10:150
715578200,0sleep20-21swapper/200:10:042
709302200,0sleep20-21swapper/223:55:032
707217200,0sleep20-21swapper/223:50:022
705143200,0sleep10-21swapper/123:45:061
700952200,0sleep00-21swapper/023:35:030
696786200,0sleep00-21swapper/023:25:020
681909200,0sleep20-21swapper/222:50:032
679832200,0sleep00-21swapper/022:45:040
677747200,0sleep20-21swapper/222:40:022
671486200,0sleep10-21swapper/122:25:051
669401200,0sleep10-21swapper/122:20:041
664690200,0sleep10-21swapper/122:10:041
662607200,0sleep10-21swapper/122:05:021
656107200,0sleep00-21swapper/021:50:000
652182200,0sleep20-21swapper/221:40:032
637626200,0sleep10-21swapper/121:05:041
633519200,0sleep10-21swapper/120:55:021
629465200,0sleep10-21swapper/120:45:011
627531200,0sleep10-21swapper/120:40:011
625854200,0sleep20-21swapper/220:35:032
625620200,0sleep10-21swapper/120:35:021
618184200,0sleep00-21swapper/020:15:030
616274200,0sleep10-21swapper/120:10:041
614100200,0sleep10-21swapper/120:05:031
612190200,0sleep10-21swapper/120:00:031
610258200,0sleep10-21swapper/119:55:031
608115200,0sleep00-21swapper/019:50:010
606438200,0sleep10-21swapper/119:45:031
604526200,0sleep10-21swapper/119:40:021
604272200,0sleep00-21swapper/019:40:000
598772200,0sleep20-21swapper/219:25:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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