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2025-12-03 - 06:12
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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 Wed Dec 03, 2025 00:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8742692126121,2sleep10-21swapper/119:05:251
87276021060,4sleep0111rcuc/019:05:150
216999980,50rtkit-daemon0-21swapper/419:08:484
9761742850,2sleep656-21ksoftirqd/621:29:326
9761742850,2sleep656-21ksoftirqd/621:29:326
875474998516,37cyclictest0-21swapper/500:33:155
875474998516,36cyclictest0-21swapper/523:23:155
11049722850,0sleep40-21swapper/423:10:234
875474998315,38cyclictest0-21swapper/520:43:155
875474998115,35cyclictest0-21swapper/519:18:155
87516928142,13sleep20-21swapper/219:08:402
875474998015,35cyclictest0-21swapper/519:53:155
875481997915,37cyclictest0-21swapper/623:13:156
87547499789,41cyclictest49-21ksoftirqd/522:28:155
875467997815,34cyclictest0-21swapper/423:48:154
875467997615,34cyclictest0-21swapper/422:13:154
8986922750,0sleep60-21swapper/619:45:126
875467997416,33cyclictest0-21swapper/421:18:154
11577372730,0sleep10-21swapper/123:54:501
10535912730,2sleep656-21ksoftirqd/622:30:126
87516327246,13sleep50-21swapper/519:08:355
87497927043,13sleep30-21swapper/319:05:593
87496227043,12sleep60-21swapper/619:05:476
87517426843,12sleep70-21swapper/719:08:457
9615382660,0sleep50-21swapper/521:16:585
10221252660,0sleep50-21swapper/522:05:125
8888792650,0sleep00-21swapper/019:30:000
875448996411,22cyclictest0-21swapper/221:03:162
875474996316,35cyclictest0-21swapper/519:33:155
9724502620,0sleep20-21swapper/221:25:202
9724502620,0sleep20-21swapper/221:25:202
11625022620,0sleep00-21swapper/023:57:450
87548199436,12cyclictest0-21swapper/622:03:156
875441993735,1cyclictest0-21swapper/120:18:151
875481993612,24cyclictest0-21swapper/619:38:586
875467993511,24cyclictest0-21swapper/419:14:584
875441993511,24cyclictest0-21swapper/122:11:581
875481993411,0cyclictest0-21swapper/620:46:586
875436993411,0cyclictest0-21swapper/000:18:590
875436993411,0cyclictest0-21swapper/000:18:590
875436993410,24cyclictest0-21swapper/022:53:590
875436993410,24cyclictest0-21swapper/022:53:590
87546799339,24cyclictest0-21swapper/420:31:584
87544199339,24cyclictest0-21swapper/120:42:581
87544199338,24cyclictest0-21swapper/120:47:581
8994292320,0sleep00-21swapper/019:45:140
87546799320,32cyclictest0-21swapper/423:20:254
875441993214,18cyclictest0-21swapper/121:53:151
87543699328,24cyclictest0-21swapper/021:16:580
9853582310,0sleep10-21swapper/121:35:201
875481993115,15cyclictest0-21swapper/620:03:156
875481993115,15cyclictest0-21swapper/620:03:156
87546799317,24cyclictest0-21swapper/421:55:584
87544199317,24cyclictest0-21swapper/123:32:591
875474993014,15cyclictest0-21swapper/523:43:155
875474993014,15cyclictest0-21swapper/500:18:155
875474993014,15cyclictest0-21swapper/500:18:155
87546799306,24cyclictest0-21swapper/420:26:584
875448993014,15cyclictest0-21swapper/222:53:152
875448993014,15cyclictest0-21swapper/222:53:152
875467992913,15cyclictest0-21swapper/419:48:154
875448992913,15cyclictest0-21swapper/220:53:152
87544199295,24cyclictest0-21swapper/123:13:591
87544199295,24cyclictest0-21swapper/100:20:591
875441992913,15cyclictest0-21swapper/119:38:151
875436992913,15cyclictest0-21swapper/023:28:150
11677942290,0sleep20-21swapper/200:01:242
875481992811,16cyclictest0-21swapper/600:38:156
875474992813,14cyclictest0-21swapper/520:33:155
87544199284,24cyclictest0-21swapper/100:11:591
875441992812,15cyclictest0-21swapper/119:23:151
9465152270,0sleep7621rcuc/721:00:187
87543699273,24cyclictest0-21swapper/022:09:580
87548199269,16cyclictest0-21swapper/622:23:156
87548199263,0cyclictest0-21swapper/621:09:586
875474992610,15cyclictest0-21swapper/521:43:155
875448992610,15cyclictest0-21swapper/219:43:152
87544199262,24cyclictest0-21swapper/120:53:581
87548199251,24cyclictest0-21swapper/619:29:586
87547499259,15cyclictest0-21swapper/521:08:155
87544899259,15cyclictest0-21swapper/223:08:142
875436992515,10cyclictest0-21swapper/022:48:150
875481992423,1cyclictest2107-21gnome-shell19:10:596
87548199240,0cyclictest0-21swapper/623:16:596
87548199240,0cyclictest0-21swapper/600:19:596
87548199240,0cyclictest0-21swapper/600:19:596
875448992415,9cyclictest0-21swapper/223:58:152
87544199240,24cyclictest0-21swapper/120:02:581
87544199240,24cyclictest0-21swapper/120:02:581
875436992423,1cyclictest2107-21gnome-shell23:30:590
87548199237,15cyclictest0-21swapper/600:08:156
87546799230,0cyclictest0-21swapper/420:21:584
875441992322,1cyclictest2107-21gnome-shell19:34:581
10868662230,0sleep40-21swapper/422:55:574
875489992220,1cyclictest2107-21gnome-shell19:37:587
875481992221,1cyclictest2107-21gnome-shell20:51:586
87544899226,15cyclictest0-21swapper/222:33:152
875441992222,0cyclictest0-21swapper/123:27:191
216999220,2rtkit-daemon2168-21rtkit-daemon20:01:054
216999220,2rtkit-daemon2168-21rtkit-daemon20:01:054
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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