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2025-11-20 - 18:37
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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 Thu Nov 20, 2025 12:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
713861998816,39cyclictest0-21swapper/211:43:142
216999870,40rtkit-daemon0-21swapper/507:05:335
713861998616,37cyclictest0-21swapper/210:08:142
713861998616,37cyclictest0-21swapper/210:08:142
713869998415,37cyclictest0-21swapper/311:08:143
713869998414,40cyclictest0-21swapper/307:23:133
71351628443,34sleep00-21swapper/007:07:560
713861998015,38cyclictest0-21swapper/210:43:132
71359127641,13sleep70-21swapper/707:08:597
8155812750,0sleep00-21swapper/009:50:140
71384599711,39cyclictest0-21swapper/011:18:130
8075992700,0sleep30-21swapper/309:35:203
71340727044,13sleep40-21swapper/407:06:224
713845996916,36cyclictest0-21swapper/011:53:140
71343326943,13sleep10-21swapper/107:06:431
71339726949,14sleep30-21swapper/307:06:143
713845996835,33cyclictest0-21swapper/008:33:130
713845996715,39cyclictest0-21swapper/009:43:140
71346126747,13sleep20-21swapper/207:07:092
71387599660,35cyclictest0-21swapper/411:28:144
71361726647,13sleep60-21swapper/607:09:216
71385099656,30cyclictest0-21swapper/108:18:141
713883996115,37cyclictest0-21swapper/512:03:145
713850994917,3cyclictest0-21swapper/109:23:141
71389899487,34cyclictest0-21swapper/710:33:147
713898994812,26cyclictest0-21swapper/707:58:147
713850994718,29cyclictest0-21swapper/110:18:131
713850994616,30cyclictest0-21swapper/112:28:131
713850994316,27cyclictest0-21swapper/109:03:141
713845994217,3cyclictest0-21swapper/008:53:140
713875993614,22cyclictest0-21swapper/409:58:144
713890993511,24cyclictest0-21swapper/612:12:586
713845993511,24cyclictest0-21swapper/010:42:580
713890993314,7cyclictest0-21swapper/608:43:146
713890993314,7cyclictest0-21swapper/608:43:146
713890993310,0cyclictest0-21swapper/610:30:596
71385099339,24cyclictest0-21swapper/112:11:581
71384599339,24cyclictest0-21swapper/010:11:590
71387599328,24cyclictest0-21swapper/407:31:584
713875993216,16cyclictest0-21swapper/408:08:144
713861993216,15cyclictest28-21ksoftirqd/207:13:132
713898993131,0cyclictest0-21swapper/710:28:317
71389099317,24cyclictest0-21swapper/609:46:596
71389899306,24cyclictest0-21swapper/709:32:587
71389899306,24cyclictest0-21swapper/708:47:587
713890993014,15cyclictest0-21swapper/609:18:146
713845992913,15cyclictest0-21swapper/007:28:130
71389899284,24cyclictest0-21swapper/710:40:597
713898992812,15cyclictest0-21swapper/711:33:147
71389099284,24cyclictest0-21swapper/611:50:586
71389099284,24cyclictest0-21swapper/610:41:596
71389099284,24cyclictest0-21swapper/607:21:586
71389099284,24cyclictest0-21swapper/607:16:596
713890992812,15cyclictest0-21swapper/610:53:146
71387599284,24cyclictest0-21swapper/407:19:584
713845992812,15cyclictest0-21swapper/007:18:130
71389899273,24cyclictest0-21swapper/707:11:597
71389099273,24cyclictest0-21swapper/608:33:596
713890992711,15cyclictest0-21swapper/608:58:136
713890992711,15cyclictest0-21swapper/608:28:146
713890992711,15cyclictest0-21swapper/607:33:136
713883992711,15cyclictest0-21swapper/511:13:135
713883992711,15cyclictest0-21swapper/510:23:145
713883992711,15cyclictest0-21swapper/507:38:145
71387599273,24cyclictest0-21swapper/412:01:584
713850992711,15cyclictest0-21swapper/110:58:141
7649772260,0sleep50-21swapper/508:30:105
71389899262,24cyclictest0-21swapper/708:42:587
71389899262,24cyclictest0-21swapper/708:42:587
71389099263,0cyclictest0-21swapper/611:23:586
71389099262,24cyclictest0-21swapper/610:06:596
71389099262,24cyclictest0-21swapper/610:06:586
713890992610,15cyclictest0-21swapper/610:03:136
713883992610,15cyclictest0-21swapper/512:23:145
713875992610,15cyclictest0-21swapper/410:28:134
71389099252,0cyclictest0-21swapper/612:37:586
71389099251,24cyclictest0-21swapper/609:02:596
71388399259,15cyclictest0-21swapper/512:13:145
71386199259,15cyclictest0-21swapper/212:33:142
71385099259,15cyclictest0-21swapper/111:58:131
71384599259,15cyclictest0-21swapper/007:53:140
71384599251,24cyclictest0-21swapper/007:49:590
7463672240,0sleep228-21ksoftirqd/208:00:122
71389899244,13cyclictest0-21swapper/707:48:137
713898992423,1cyclictest2107-21gnome-shell12:06:587
71389899240,24cyclictest0-21swapper/711:29:597
71389899240,24cyclictest0-21swapper/710:08:587
71389899240,24cyclictest0-21swapper/710:08:587
71389899240,23cyclictest0-21swapper/708:38:217
71389099248,15cyclictest0-21swapper/609:53:146
71389099241,0cyclictest0-21swapper/611:18:586
71388399248,15cyclictest0-21swapper/511:03:135
8626722230,0sleep2271rcuc/211:05:132
71389899237,15cyclictest0-21swapper/712:18:147
713898992322,1cyclictest2107-21gnome-shell11:00:587
71388399237,15cyclictest0-21swapper/511:48:145
713861992320,0cyclictest0-21swapper/207:17:232
71384599237,15cyclictest0-21swapper/009:13:130
71384599230,23cyclictest0-21swapper/008:36:590
216999230,0rtkit-daemon0-21swapper/508:50:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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