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2025-12-02 - 17:22
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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 Tue Dec 02, 2025 12:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
88237721250,0sleep10-21swapper/110:00:121
216999960,46rtkit-daemon0-21swapper/607:05:326
774933999016,39cyclictest0-21swapper/007:13:150
774933998815,40cyclictest0-21swapper/009:18:140
77455928846,13sleep00-21swapper/007:07:030
774933998715,37cyclictest0-21swapper/009:43:140
77466828642,13sleep40-21swapper/407:08:354
77474228546,13sleep10-21swapper/107:09:361
774933998317,37cyclictest0-21swapper/007:23:140
774933998316,37cyclictest0-21swapper/011:03:140
774933998216,37cyclictest0-21swapper/008:43:150
774933998216,36cyclictest0-21swapper/009:33:150
774933998116,35cyclictest0-21swapper/009:08:150
77471728141,34sleep50-21swapper/507:09:175
8230082780,0sleep00-21swapper/008:25:120
774954997815,36cyclictest0-21swapper/307:58:143
8464252750,0sleep010-21ksoftirqd/009:00:210
8630882740,0sleep10-21swapper/109:30:001
8288632710,2sleep335-21ksoftirqd/308:35:003
77467627146,12sleep30-21swapper/307:08:433
77248227162,5sleep70-21swapper/707:05:167
77473427044,13sleep20-21swapper/207:09:302
774941996215,38cyclictest0-21swapper/108:33:141
77494799560,25cyclictest0-21swapper/212:38:142
774941995616,39cyclictest0-21swapper/108:58:141
774941995616,39cyclictest0-21swapper/108:58:141
774933995116,32cyclictest0-21swapper/008:08:150
77497499500,39cyclictest0-21swapper/512:03:145
774974994515,30cyclictest0-21swapper/509:53:155
77494799440,13cyclictest0-21swapper/210:18:142
774974994315,28cyclictest0-21swapper/512:28:145
774987993511,24cyclictest0-21swapper/709:12:597
774974993511,24cyclictest0-21swapper/509:49:585
77494799351,34cyclictest0-21swapper/210:28:142
774974993410,24cyclictest0-21swapper/511:14:595
77497499339,24cyclictest0-21swapper/510:06:585
774974993310,0cyclictest0-21swapper/507:45:595
77497499329,0cyclictest0-21swapper/512:10:585
77497499328,1cyclictest0-21swapper/511:01:585
77494199329,0cyclictest0-21swapper/109:44:591
774987993115,16cyclictest0-21swapper/707:33:157
77495499317,24cyclictest0-21swapper/309:45:583
774933993115,15cyclictest0-21swapper/012:18:140
774987993027,3cyclictest0-21swapper/711:28:147
774987993014,15cyclictest0-21swapper/711:13:147
774987992916,13cyclictest0-21swapper/711:53:147
774987992913,15cyclictest0-21swapper/712:13:157
77496299295,24cyclictest0-21swapper/411:48:594
77496299295,24cyclictest0-21swapper/411:48:584
774941992913,15cyclictest0-21swapper/110:48:141
774933992913,15cyclictest0-21swapper/009:58:150
774987992812,15cyclictest0-21swapper/708:28:147
77497499284,24cyclictest0-21swapper/509:04:585
77496299284,24cyclictest0-21swapper/409:56:584
774941992812,15cyclictest0-21swapper/108:13:151
774933992812,15cyclictest0-21swapper/011:33:150
774987992715,12cyclictest0-21swapper/707:48:147
774947992725,2cyclictest0-21swapper/208:35:202
774941992714,5cyclictest0-21swapper/110:38:141
774941992711,15cyclictest0-21swapper/107:18:151
9783432260,0sleep60-21swapper/612:35:016
77497499263,0cyclictest0-21swapper/510:46:595
774941992610,15cyclictest0-21swapper/109:38:151
774933992610,15cyclictest0-21swapper/010:13:140
9397132250,0sleep549-21ksoftirqd/511:30:195
77498799259,15cyclictest0-21swapper/711:43:147
77498799259,15cyclictest0-21swapper/710:58:147
77497499259,15cyclictest0-21swapper/507:28:145
77497499259,15cyclictest0-21swapper/507:28:145
77497499251,24cyclictest0-21swapper/510:35:585
774962992524,1cyclictest0-21swapper/408:11:194
774954992523,2cyclictest277-1kworker/3:1H11:20:203
77494199259,15cyclictest0-21swapper/109:23:141
77493399259,15cyclictest0-21swapper/011:48:150
77493399259,15cyclictest0-21swapper/011:48:140
774933992524,1cyclictest2107-21gnome-shell12:37:580
7887042240,4sleep50-21swapper/507:30:145
77498799245,15cyclictest0-21swapper/710:23:147
774981992422,1cyclictest2107-21gnome-shell11:38:586
77497499241,0cyclictest0-21swapper/508:46:585
77497499240,24cyclictest0-21swapper/509:38:585
774954992423,1cyclictest2107-21gnome-shell12:11:583
77495499240,24cyclictest0-21swapper/309:41:583
77493399248,15cyclictest0-21swapper/012:33:140
216999240,1rtkit-daemon2168-21rtkit-daemon07:45:266
774987992316,7cyclictest0-21swapper/710:08:147
77497499230,22cyclictest0-21swapper/511:36:095
77497499230,0cyclictest0-21swapper/512:34:585
77497499230,0cyclictest0-21swapper/508:42:585
77496299230,23cyclictest0-21swapper/409:51:584
77493399237,15cyclictest0-21swapper/011:58:140
77497499226,15cyclictest0-21swapper/507:38:155
77496299220,0cyclictest0-21swapper/407:35:324
77494199226,15cyclictest0-21swapper/108:48:151
77493399226,15cyclictest0-21swapper/008:53:140
77493399226,15cyclictest0-21swapper/007:53:150
77493399226,12cyclictest0-21swapper/011:23:150
774933992221,1cyclictest2107-21gnome-shell07:26:580
774933992221,1cyclictest2107-21gnome-shell07:26:580
77498799213,15cyclictest0-21swapper/710:33:147
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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