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2025-12-08 - 22:35
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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 Mon Dec 08, 2025 12:46:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294434624710,4sleep7621rcuc/707:05:177
294379621420,9sleep442-21ksoftirqd/407:05:144
29445932133116,2sleep00-21swapper/007:05:190
294547021130,5sleep2271rcuc/207:05:272
2946295998817,38cyclictest0-21swapper/308:43:153
2946268998617,39cyclictest0-21swapper/011:38:150
2946268998416,37cyclictest0-21swapper/008:23:150
2946268998317,36cyclictest0-21swapper/012:38:150
2946268998316,37cyclictest0-21swapper/007:58:150
294403228160,18sleep50-21swapper/507:05:155
2946275998015,36cyclictest0-21swapper/109:43:141
31434272780,0sleep60-21swapper/612:25:006
2946316997616,41cyclictest0-21swapper/610:08:146
29506282740,0sleep549-21ksoftirqd/507:15:095
2946316997431,39cyclictest0-21swapper/607:13:156
294353227441,8sleep30-21swapper/307:05:143
30410502730,0sleep30-21swapper/309:40:143
2946316997316,37cyclictest0-21swapper/610:43:156
2946287996911,25cyclictest0-21swapper/210:18:142
294594726944,12sleep10-21swapper/107:08:011
2946287996715,34cyclictest0-21swapper/208:33:142
294578126547,12sleep60-21swapper/607:05:416
294630999620,35cyclictest0-21swapper/509:53:155
2946268995916,39cyclictest0-21swapper/008:08:150
294626899521,13cyclictest0-21swapper/007:48:140
2946287994544,1cyclictest0-21swapper/211:18:152
2946316993511,24cyclictest0-21swapper/607:33:596
2946275993511,24cyclictest0-21swapper/112:03:591
2946295993411,0cyclictest0-21swapper/310:03:583
2946295993410,24cyclictest0-21swapper/311:21:583
2946275993411,0cyclictest0-21swapper/110:02:591
2946275993410,24cyclictest0-21swapper/108:37:591
294629599339,24cyclictest0-21swapper/311:25:583
294629599339,24cyclictest0-21swapper/310:09:593
294628799330,17cyclictest28-21ksoftirqd/211:03:142
294631699328,24cyclictest0-21swapper/607:41:596
294629599317,24cyclictest0-21swapper/310:11:593
294628799317,24cyclictest28-21ksoftirqd/210:28:142
2946287993117,14cyclictest0-21swapper/207:33:152
2946287993115,15cyclictest0-21swapper/208:03:152
294627599317,24cyclictest0-21swapper/110:59:581
294627599317,24cyclictest0-21swapper/109:26:591
294631699306,24cyclictest0-21swapper/610:30:596
2946287993015,15cyclictest0-21swapper/208:58:152
30914982290,0sleep60-21swapper/611:00:186
29622142290,4sleep40-21swapper/407:30:234
2946309992915,5cyclictest0-21swapper/508:53:145
2946309992913,15cyclictest0-21swapper/512:13:145
2946287992922,7cyclictest28-21ksoftirqd/210:53:152
2946287992912,16cyclictest28-21ksoftirqd/208:48:142
294628799290,0cyclictest0-21swapper/209:32:382
294627599295,24cyclictest0-21swapper/110:26:591
294632499284,24cyclictest0-21swapper/709:33:157
2946309992812,15cyclictest0-21swapper/508:13:155
2946309992812,15cyclictest0-21swapper/508:13:155
2946287992823,5cyclictest0-21swapper/209:08:152
2946287992819,9cyclictest28-21ksoftirqd/207:23:142
29775372270,0sleep70-21swapper/707:55:257
294632499275,17cyclictest0-21swapper/712:28:157
2946324992713,14cyclictest0-21swapper/712:03:157
2946324992710,16cyclictest0-21swapper/708:28:147
294631699273,24cyclictest0-21swapper/607:45:596
294630199273,24cyclictest0-21swapper/410:20:584
294627599273,24cyclictest0-21swapper/107:29:591
2946275992711,15cyclictest0-21swapper/111:48:151
2946275992711,15cyclictest0-21swapper/108:18:151
2946268992712,15cyclictest0-21swapper/009:38:150
294631699262,24cyclictest0-21swapper/611:47:596
2946309992610,15cyclictest0-21swapper/511:53:145
294630199262,24cyclictest0-21swapper/408:34:594
294630199262,24cyclictest0-21swapper/408:14:594
294630199262,24cyclictest0-21swapper/408:14:584
294627599262,24cyclictest0-21swapper/107:16:591
294632499259,15cyclictest0-21swapper/709:03:157
294630199251,24cyclictest0-21swapper/409:44:594
294629599252,0cyclictest0-21swapper/312:30:593
294627599251,24cyclictest0-21swapper/107:56:591
294632499248,15cyclictest0-21swapper/712:18:157
294630999248,1cyclictest0-21swapper/510:58:155
294629599240,0cyclictest0-21swapper/307:15:593
294627599240,24cyclictest0-21swapper/112:20:591
294632499237,15cyclictest0-21swapper/710:23:147
294631699237,15cyclictest0-21swapper/607:38:156
2946309992322,1cyclictest2107-21gnome-shell10:40:595
2946295992322,1cyclictest2107-21gnome-shell10:53:583
2946295992322,1cyclictest2107-21gnome-shell09:55:593
2946287992322,1cyclictest2107-21gnome-shell12:39:592
2946275992322,1cyclictest2107-21gnome-shell07:12:591
294626899237,6cyclictest0-21swapper/010:33:140
294626899237,15cyclictest0-21swapper/008:38:140
216999230,1rtkit-daemon2110-21gmain10:30:194
294631699226,15cyclictest0-21swapper/609:23:156
2946301992220,1cyclictest2107-21gnome-shell09:07:594
294627599227,15cyclictest0-21swapper/109:13:151
294627599226,15cyclictest0-21swapper/107:53:151
216999220,1rtkit-daemon823-21earlyoom11:01:070
216999220,0rtkit-daemon0-21swapper/411:48:114
31356012210,0sleep335-21ksoftirqd/312:10:163
2946301992120,1cyclictest2107-21gnome-shell07:10:594
294628799215,15cyclictest28-21ksoftirqd/211:33:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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