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2025-11-08 - 21:56
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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 rackcslot6.osadl.org (updated Sat Nov 08, 2025 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315589523460,3sleep50-21swapper/507:05:205
3157239999419,39cyclictest0-21swapper/312:18:133
3157239999415,34cyclictest937-21lldpd11:23:133
216999930,46rtkit-daemon0-21swapper/407:08:584
3157231998616,37cyclictest0-21swapper/208:08:112
315683528544,34sleep30-21swapper/307:07:123
3157231998316,39cyclictest0-21swapper/209:03:122
3157231998316,36cyclictest0-21swapper/207:53:112
3157231998315,37cyclictest0-21swapper/209:13:112
31746902810,2sleep121-21ksoftirqd/107:35:141
33367602780,0sleep40-21swapper/411:55:164
32224022760,0sleep20-21swapper/208:50:192
31848712740,0sleep10-21swapper/107:50:201
33615032730,0sleep6551rcuc/612:35:166
33199652730,1sleep3937-21lldpd11:30:003
315725499737,37cyclictest0-21swapper/510:23:125
315703227044,13sleep70-21swapper/707:09:577
315681926943,12sleep60-21swapper/607:06:586
315683226842,12sleep10-21swapper/107:07:101
315725499670,36cyclictest0-21swapper/508:53:125
315430726748,13sleep20-21swapper/207:05:012
315685026647,13sleep00-21swapper/007:07:260
3157247995516,36cyclictest0-21swapper/407:33:124
3157247995415,35cyclictest0-21swapper/409:38:124
3157247995333,20cyclictest0-21swapper/410:13:124
3157247995333,20cyclictest0-21swapper/410:13:114
3157247995316,34cyclictest0-21swapper/407:43:114
3157247995314,36cyclictest0-21swapper/408:28:124
3157213995316,36cyclictest0-21swapper/010:38:130
3157247995215,34cyclictest0-21swapper/409:48:114
3157247995114,33cyclictest0-21swapper/410:48:134
3157247994914,32cyclictest0-21swapper/410:58:124
3157247994712,34cyclictest1134-21snmpd12:08:124
3157247994711,36cyclictest1134-21snmpd11:33:134
3157247994711,36cyclictest1134-21snmpd11:33:124
3157213994717,30cyclictest0-21swapper/011:43:120
315723999418,16cyclictest937-21lldpd11:58:133
3157260993410,24cyclictest0-21swapper/609:46:596
315723999348,24cyclictest0-21swapper/312:31:593
3157239993410,24cyclictest0-21swapper/310:36:583
3157213993410,24cyclictest0-21swapper/011:20:590
315726799328,24cyclictest0-21swapper/711:13:597
315726099306,24cyclictest0-21swapper/609:10:596
3157231992812,15cyclictest0-21swapper/210:08:122
315726099273,24cyclictest0-21swapper/611:48:586
315726099273,24cyclictest0-21swapper/610:22:586
3157254992712,4cyclictest0-21swapper/510:33:125
315723999273,24cyclictest0-21swapper/308:28:583
315726099261,24cyclictest0-21swapper/611:07:586
3157239992610,15cyclictest0-21swapper/312:38:123
315723999260,24cyclictest937-21lldpd12:22:583
315721399269,16cyclictest10-21ksoftirqd/008:48:120
315721399269,16cyclictest10-21ksoftirqd/008:48:110
3157213992610,15cyclictest0-21swapper/010:28:130
3157213992610,15cyclictest0-21swapper/007:38:120
315723199258,16cyclictest0-21swapper/211:38:132
315721399259,15cyclictest0-21swapper/011:13:120
3157267992423,1cyclictest2107-21gnome-shell07:19:597
315724799240,24cyclictest0-21swapper/410:25:584
3157239992423,1cyclictest2107-21gnome-shell08:35:593
3157231992423,1cyclictest2107-21gnome-shell09:46:592
315721399248,15cyclictest0-21swapper/009:43:120
315721399248,15cyclictest0-21swapper/008:03:110
3157213992423,1cyclictest2107-21gnome-shell08:57:590
32440782230,2sleep0315721399cyclictest09:25:180
3157254992323,0cyclictest0-21swapper/512:08:145
315724799237,15cyclictest0-21swapper/408:13:124
3157247992321,1cyclictest2107-21gnome-shell11:35:584
3157239992322,1cyclictest2107-21gnome-shell08:12:583
3157221992321,1cyclictest2107-21gnome-shell11:12:591
33270432220,1sleep763-21ksoftirqd/711:40:147
3157260992220,1cyclictest0-21swapper/612:24:596
3157247992221,1cyclictest2107-21gnome-shell11:25:584
3157247992221,1cyclictest2107-21gnome-shell08:36:594
315724799216,13cyclictest0-21swapper/407:13:114
3157247992112,9cyclictest0-21swapper/412:33:134
315723999215,15cyclictest0-21swapper/307:58:113
3157239992120,1cyclictest0-21swapper/310:41:423
3157213992120,1cyclictest2107-21gnome-shell12:19:590
3157213992120,1cyclictest2107-21gnome-shell10:10:590
3157213992120,1cyclictest2107-21gnome-shell10:10:580
32749482200,2sleep121-21ksoftirqd/110:15:161
3157267992019,1cyclictest0-21swapper/710:49:597
3157260992019,1cyclictest2107-21gnome-shell11:31:586
3157260992019,1cyclictest2107-21gnome-shell11:31:586
315724799204,15cyclictest1134-21snmpd11:48:134
3157247992020,0cyclictest2107-21gnome-shell09:20:594
3157247992019,1cyclictest2107-21gnome-shell09:40:594
315723199204,15cyclictest0-21swapper/210:53:122
3157213992020,0cyclictest0-21swapper/008:42:590
3157267991918,1cyclictest0-21swapper/707:12:597
315725499193,8cyclictest0-21swapper/511:08:135
3157247991918,1cyclictest2107-21gnome-shell12:14:584
3157260991817,1cyclictest56-21ksoftirqd/612:34:076
31869522170,0sleep10-21swapper/107:55:161
3157247991717,0cyclictest2107-21gnome-shell10:00:584
3157239991716,1cyclictest2107-21gnome-shell11:13:583
3157231991716,1cyclictest2107-21gnome-shell11:48:582
3157231991716,1cyclictest2107-21gnome-shell10:22:582
3157213991716,1cyclictest10-21ksoftirqd/011:45:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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