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2025-12-06 - 08:56
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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 Dec 06, 2025 00:46:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198757623320,5sleep4411rcuc/419:05:194
210573321270,0sleep20-21swapper/221:40:422
19880302123105,3sleep10-21swapper/119:05:251
216999970,72rtkit-daemon0-21swapper/519:09:455
1989027998816,38cyclictest0-21swapper/420:48:154
1989027998115,36cyclictest0-21swapper/400:28:154
1989027998115,35cyclictest0-21swapper/420:38:154
21453262800,0sleep20-21swapper/222:13:022
21453262800,0sleep20-21swapper/222:13:022
1989035998015,36cyclictest0-21swapper/500:13:155
1989035997816,35cyclictest0-21swapper/521:33:155
21404772770,0sleep40-21swapper/422:10:004
1989035997615,34cyclictest0-21swapper/523:18:155
198874327549,13sleep60-21swapper/619:09:006
198904299741,37cyclictest0-21swapper/619:18:166
198904299741,37cyclictest0-21swapper/619:18:156
198851127340,27sleep00-21swapper/019:05:400
198860426944,12sleep70-21swapper/719:07:007
198741226747,12sleep20-21swapper/219:05:192
198877626647,13sleep30-21swapper/319:09:303
1989013995415,36cyclictest0-21swapper/222:43:152
1989042995235,17cyclictest0-21swapper/621:48:156
1989042995117,34cyclictest0-21swapper/621:13:156
1989042995036,14cyclictest0-21swapper/622:08:156
1989042994915,34cyclictest0-21swapper/622:18:156
1989042994914,35cyclictest0-21swapper/620:03:156
1989042994716,31cyclictest0-21swapper/600:38:156
1989042994615,31cyclictest0-21swapper/622:53:156
1989042994614,32cyclictest0-21swapper/600:03:156
1989042994517,28cyclictest0-21swapper/623:53:156
1989042994414,30cyclictest0-21swapper/620:28:156
1989013993511,24cyclictest0-21swapper/222:23:582
1989042993410,24cyclictest0-21swapper/623:49:586
1989027993410,24cyclictest0-21swapper/419:48:594
1989013993410,24cyclictest0-21swapper/222:07:582
1989002993415,19cyclictest0-21swapper/122:33:151
198901399339,24cyclictest0-21swapper/223:47:582
198901399338,24cyclictest0-21swapper/219:10:582
198901399338,24cyclictest0-21swapper/219:10:582
198900299339,24cyclictest0-21swapper/120:47:581
198901399328,24cyclictest0-21swapper/223:43:582
1989002993215,17cyclictest0-21swapper/123:08:151
1989050993130,1cyclictest0-21swapper/719:28:157
1989050993115,15cyclictest0-21swapper/720:13:157
198903599317,24cyclictest0-21swapper/523:08:585
198901399317,24cyclictest0-21swapper/219:18:582
198901399317,24cyclictest0-21swapper/219:18:582
21146122300,1sleep442-21ksoftirqd/421:49:174
1989050993014,15cyclictest0-21swapper/720:58:157
1989050993012,17cyclictest0-21swapper/721:28:157
198904299306,24cyclictest0-21swapper/621:08:586
1989042993014,15cyclictest0-21swapper/619:33:156
1989021993014,15cyclictest0-21swapper/319:23:153
1989013993014,15cyclictest0-21swapper/220:53:152
1989002993014,16cyclictest0-21swapper/119:38:151
1988997993012,17cyclictest0-21swapper/021:43:150
22416092290,0sleep40-21swapper/423:30:104
1989050992913,15cyclictest0-21swapper/722:48:167
198901399295,24cyclictest0-21swapper/220:05:582
1989050992812,15cyclictest0-21swapper/720:23:157
1989050992812,15cyclictest0-21swapper/719:53:167
1989042992813,15cyclictest0-21swapper/621:03:156
1988997992812,15cyclictest0-21swapper/019:58:150
21917062270,0sleep40-21swapper/422:50:134
198904299273,1cyclictest0-21swapper/620:07:586
1989035992711,15cyclictest0-21swapper/522:23:155
1989002992711,15cyclictest0-21swapper/121:08:151
21837462260,1sleep335-21ksoftirqd/322:43:553
21536192260,0sleep10-21swapper/122:20:141
1989050992610,15cyclictest0-21swapper/723:43:157
1989042992611,15cyclictest0-21swapper/620:18:166
1989035992610,15cyclictest0-21swapper/523:38:155
1989035992610,15cyclictest0-21swapper/523:38:155
21106442250,0sleep20-21swapper/221:45:152
198905099258,17cyclictest0-21swapper/723:58:157
198905099256,16cyclictest2145472-21ssh22:13:157
198905099256,16cyclictest2145472-21ssh22:13:157
198903599259,15cyclictest0-21swapper/500:33:155
198903599251,24cyclictest0-21swapper/521:49:585
198902799251,24cyclictest0-21swapper/421:57:584
1989021992524,1cyclictest2107-21gnome-shell22:21:593
1989013992523,2cyclictest0-21swapper/200:08:462
198900299259,15cyclictest0-21swapper/121:53:151
1988997992510,15cyclictest0-21swapper/021:23:150
21974192240,0sleep20-21swapper/222:55:012
198905099248,1cyclictest0-21swapper/722:58:157
198904299248,15cyclictest0-21swapper/620:43:156
198904299248,15cyclictest0-21swapper/620:43:156
1989042992423,1cyclictest2107-21gnome-shell22:00:586
1989042992413,1cyclictest0-21swapper/623:03:156
198903599240,24cyclictest0-21swapper/522:19:585
198901399248,9cyclictest0-21swapper/219:48:152
198900299240,0cyclictest0-21swapper/122:49:581
198899799248,15cyclictest0-21swapper/023:28:150
198899799240,24cyclictest0-21swapper/023:53:580
1989050992323,0cyclictest0-21swapper/700:06:097
198903599237,15cyclictest0-21swapper/500:23:155
198902799230,23cyclictest0-21swapper/419:56:584
198902199237,15cyclictest0-21swapper/319:43:153
1989013992321,2cyclictest0-21swapper/200:03:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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