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2026-04-02 - 16:10
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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 rack6slot0.osadl.org (updated Thu Apr 02, 2026 13:03:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2004099203193,6cyclictest37351-21CPU3
2004099203193,6cyclictest37351-21CPU3
2005599198190,4cyclictest3548-21CPU18
2005599198190,4cyclictest3548-21CPU18
2005599198190,4cyclictest3548-21CPU18
2004099198192,4cyclictest0-21swapper/1111:49:323
2004099198192,4cyclictest0-21swapper/1111:49:313
2005599196189,5cyclictest0-21swapper/2511:55:2118
2005599196189,5cyclictest0-21swapper/2511:55:2118
2005599196189,5cyclictest0-21swapper/2511:55:2118
2005599196189,5cyclictest0-21swapper/2510:55:1618
2005599196189,5cyclictest0-21swapper/2510:55:1618
2005599196189,5cyclictest0-21swapper/2510:55:1618
2004099195189,4cyclictest0-21swapper/1108:59:093
2004099195189,4cyclictest0-21swapper/1108:59:093
2004099195186,7cyclictest0-21swapper/1109:40:503
2004099195186,7cyclictest0-21swapper/1109:40:503
2005599193188,4cyclictest0-21swapper/2509:06:3718
2005599193188,4cyclictest0-21swapper/2509:06:3718
2005599193188,4cyclictest0-21swapper/2509:06:3718
2005599192186,5cyclictest0-21swapper/2510:39:4118
2005599192186,5cyclictest0-21swapper/2510:39:4118
2005599191185,4cyclictest0-21swapper/2510:43:2918
2005599191185,4cyclictest0-21swapper/2510:43:2918
2005599191183,5cyclictest2629-21tr10:45:1218
2005599191183,5cyclictest2629-21tr10:45:1118
2005599190182,6cyclictest0-21swapper/2508:47:0218
2005599190182,6cyclictest0-21swapper/2508:47:0218
2005599189184,3cyclictest0-21swapper/2510:27:0218
2005599189184,3cyclictest0-21swapper/2510:27:0218
2005599187181,4cyclictest0-21swapper/2510:05:2318
2005599187181,4cyclictest0-21swapper/2510:05:2318
2005599187179,6cyclictest0-21swapper/2510:33:2118
2005599187179,6cyclictest0-21swapper/2510:33:2118
2005599187179,4cyclictest3542-21CPU18
2005599187179,4cyclictest3542-21CPU18
2006299186121,52cyclictest0-21swapper/2910:44:3122
2006299186121,52cyclictest0-21swapper/2910:44:3022
20062991861,178cyclictest0-21swapper/2912:02:5122
20062991861,178cyclictest0-21swapper/2912:02:5122
20062991861,178cyclictest0-21swapper/2912:02:5022
2005599186180,4cyclictest0-21swapper/2508:55:2618
2005599186180,4cyclictest0-21swapper/2508:55:2618
2005599186177,5cyclictest4407-21CPU18
2005599186177,5cyclictest4407-21CPU18
2005599186177,5cyclictest4407-21CPU18
2005299186158,24cyclictest3609-21CPU15
2005299186158,24cyclictest3609-21CPU15
2005299186158,24cyclictest3609-21CPU15
2004099186180,4cyclictest0-21swapper/1107:45:263
2004099186180,4cyclictest0-21swapper/1107:45:263
2004099186180,4cyclictest0-21swapper/1107:44:523
2004099186180,4cyclictest0-21swapper/1107:44:523
2006299185137,39cyclictest0-21swapper/2909:15:0122
2006299185137,39cyclictest0-21swapper/2909:15:0122
2005599185175,7cyclictest21598-21timerandwakeup08:25:3418
2005599185175,7cyclictest21598-21timerandwakeup08:25:3418
2004099185178,5cyclictest0-21swapper/1107:58:213
2004099185178,5cyclictest0-21swapper/1107:58:213
2005599184179,4cyclictest0-21swapper/2508:38:4918
2005599184179,4cyclictest0-21swapper/2508:38:4918
2006299183139,41cyclictest0-21swapper/2909:18:0022
2006299183139,41cyclictest0-21swapper/2909:18:0022
2006299183139,41cyclictest0-21swapper/2909:18:0022
2003899183160,18cyclictest0-21swapper/912:10:3339
2003899183160,18cyclictest0-21swapper/912:10:3339
2005299182175,5cyclictest0-21swapper/2211:01:2015
2005299182175,5cyclictest0-21swapper/2211:01:2015
2005599181176,4cyclictest0-21swapper/2511:15:2918
2005599181176,4cyclictest0-21swapper/2511:15:2918
2005599181174,5cyclictest0-21swapper/2510:19:3418
2005599181174,5cyclictest0-21swapper/2510:19:3418
2005599181174,5cyclictest0-21swapper/2508:41:1818
2005599181174,5cyclictest0-21swapper/2508:41:1718
2004699181174,5cyclictest0-21swapper/1709:42:359
2004699181174,5cyclictest0-21swapper/1709:42:349
2004099181175,4cyclictest0-21swapper/1108:48:003
2004099181175,4cyclictest0-21swapper/1108:48:003
2005599180176,3cyclictest17484-21nfsd08:30:1518
2005599180176,3cyclictest17484-21nfsd08:30:1518
2005599180167,8cyclictest0-21swapper/2508:05:5418
2005599180167,8cyclictest0-21swapper/2508:05:5418
2003199180156,13cyclictest0-21swapper/410:15:2834
2003199180156,13cyclictest0-21swapper/410:15:2834
2002899180158,20cyclictest0-21swapper/109:30:411
2002899180158,20cyclictest0-21swapper/109:30:401
2002799180160,17cyclictest3547-21CPU0
2002799180160,17cyclictest3547-21CPU0
2005599179174,4cyclictest0-21swapper/2508:53:2818
2005599179174,4cyclictest0-21swapper/2508:53:2818
2005599179174,4cyclictest0-21swapper/2507:46:1118
2005599179174,4cyclictest0-21swapper/2507:46:1118
2005599178149,23cyclictest0-21swapper/2510:10:1818
2005599178149,23cyclictest0-21swapper/2510:10:1818
2005599178149,23cyclictest0-21swapper/2510:10:1818
2002899178168,5cyclictest37265-21CPU1
2002899178168,5cyclictest37265-21CPU1
2006299177115,54cyclictest0-21swapper/2909:40:4422
2006299177115,54cyclictest0-21swapper/2909:40:4422
2005599177169,6cyclictest0-21swapper/2508:10:5318
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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