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2025-12-01 - 14:10
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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 01, 2025 00:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17018821010,1sleep10-21swapper/119:05:151
216999950,49rtkit-daemon0-21swapper/019:08:020
17189428944,13sleep40-21swapper/419:05:434
2882152850,0sleep00-21swapper/021:40:230
17204928442,12sleep60-21swapper/619:07:546
172425998316,38cyclictest0-21swapper/621:48:146
17204628342,34sleep30-21swapper/319:07:513
2699462820,0sleep40-21swapper/421:25:374
172425998015,35cyclictest0-21swapper/621:33:146
4596242780,0sleep10-21swapper/123:57:211
172425997814,35cyclictest0-21swapper/600:13:146
3048892750,0sleep00-21swapper/021:55:050
4229982740,0sleep10-21swapper/123:28:461
3858842720,0sleep50-21swapper/522:59:345
17191427246,13sleep50-21swapper/519:06:015
17203626942,14sleep20-21swapper/219:07:432
17180426942,13sleep70-21swapper/719:05:307
4716472670,0sleep40-21swapper/400:09:594
17243299496,21cyclictest0-21swapper/723:28:147
172432994710,35cyclictest133337-21kworker/7:020:58:157
172432994710,35cyclictest133337-21kworker/7:020:58:147
172432993916,12cyclictest0-21swapper/720:03:147
172432993816,22cyclictest0-21swapper/723:08:147
172432993615,10cyclictest0-21swapper/722:43:147
172403993510,24cyclictest0-21swapper/322:27:583
172425993410,24cyclictest0-21swapper/619:34:586
172403993411,0cyclictest0-21swapper/323:24:583
172379993411,0cyclictest0-21swapper/021:13:580
172379993410,24cyclictest0-21swapper/022:26:580
17243299339,24cyclictest0-21swapper/719:54:597
17240399339,24cyclictest0-21swapper/300:28:583
172425993215,16cyclictest0-21swapper/622:13:146
17239699328,24cyclictest0-21swapper/221:14:582
172432993115,15cyclictest0-21swapper/700:03:147
17237999318,0cyclictest0-21swapper/022:58:580
172432993030,0cyclictest0-21swapper/723:57:567
172432993014,15cyclictest0-21swapper/721:28:147
172432993014,11cyclictest0-21swapper/723:18:147
172432993010,14cyclictest0-21swapper/721:18:157
172425993014,15cyclictest0-21swapper/623:38:146
172425993014,15cyclictest0-21swapper/600:33:146
17239699305,24cyclictest0-21swapper/221:48:582
172432992913,15cyclictest0-21swapper/720:18:157
172432992913,15cyclictest0-21swapper/719:13:147
17240399296,0cyclictest0-21swapper/319:43:583
17239699295,24cyclictest0-21swapper/219:37:592
17242599285,0cyclictest0-21swapper/620:31:586
17243299278,15cyclictest0-21swapper/721:08:147
17237999273,24cyclictest0-21swapper/020:32:580
172379992711,15cyclictest0-21swapper/023:23:140
17243299269,16cyclictest0-21swapper/719:23:147
172432992626,0cyclictest0-21swapper/700:26:437
172425992610,15cyclictest0-21swapper/620:08:156
172425992610,15cyclictest0-21swapper/619:43:146
17239699261,24cyclictest0-21swapper/222:11:582
4425752250,0sleep5481rcuc/523:44:525
17242599259,15cyclictest0-21swapper/619:58:146
17242599252,0cyclictest0-21swapper/620:18:586
17242599251,24cyclictest0-21swapper/622:19:586
17239699252,0cyclictest0-21swapper/222:44:582
4949442240,0sleep40-21swapper/400:27:284
17243299240,24cyclictest0-21swapper/720:46:597
172425992423,1cyclictest2107-21gnome-shell20:22:586
17242599240,24cyclictest0-21swapper/620:54:586
17242599240,24cyclictest0-21swapper/619:39:586
17241199248,15cyclictest0-21swapper/422:33:144
172396992423,1cyclictest2107-21gnome-shell19:19:582
172396992422,1cyclictest2107-21gnome-shell19:57:592
17239699240,24cyclictest0-21swapper/223:47:582
17239699240,24cyclictest0-21swapper/223:47:582
172379992423,1cyclictest2107-21gnome-shell19:56:580
4833872230,0sleep00-21swapper/000:18:510
4472002230,1sleep549-21ksoftirqd/523:47:325
4472002230,1sleep549-21ksoftirqd/523:47:325
172379992322,1cyclictest2107-21gnome-shell22:34:580
4780912220,0sleep20-21swapper/200:15:012
3022562220,0sleep00-21swapper/021:51:520
17243299228,13cyclictest0-21swapper/721:38:147
172425992221,1cyclictest2107-21gnome-shell22:39:586
172425992220,1cyclictest2107-21gnome-shell22:48:586
17241199226,15cyclictest0-21swapper/421:23:144
17239699226,12cyclictest0-21swapper/222:48:142
17237999226,15cyclictest0-21swapper/021:03:140
17243299215,1cyclictest0-21swapper/719:33:147
172411992121,0cyclictest0-21swapper/421:16:484
172403992120,1cyclictest2107-21gnome-shell23:56:583
172403992120,1cyclictest0-21swapper/300:37:583
172403992117,2cyclictest263617-21systemd-userwor21:25:093
17239699217,14cyclictest0-21swapper/222:23:152
17239699217,14cyclictest0-21swapper/222:23:142
172396992120,1cyclictest0-21swapper/200:28:142
172379992121,0cyclictest2107-21gnome-shell20:17:580
4394582200,0sleep40-21swapper/423:40:264
3370302200,0sleep00-21swapper/022:20:130
3370302200,0sleep00-21swapper/022:20:120
2968132200,0sleep40-21swapper/421:48:044
172417992019,1cyclictest0-21swapper/523:25:585
172403992020,0cyclictest0-21swapper/321:44:593
172403992019,1cyclictest2107-21gnome-shell23:35:583
17239699204,15cyclictest0-21swapper/220:23:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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