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2025-12-20 - 12:55
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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 20, 2025 00:46:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
279466999381378,3cyclictest2797653-21kworker/5:122:58:025
279466999379378,1cyclictest2797653-21kworker/5:123:28:025
279466999379378,1cyclictest2797653-21kworker/5:122:46:025
279466999379378,1cyclictest2797653-21kworker/5:121:36:025
279466999379378,1cyclictest2797653-21kworker/5:120:20:025
279466999379377,1cyclictest3074880-21kworker/5:200:00:015
279466999378377,1cyclictest2797653-21kworker/5:123:07:015
279466999378376,1cyclictest2797653-21kworker/5:121:54:025
279466999377376,1cyclictest3074880-21kworker/5:200:17:025
279466999377376,1cyclictest2797653-21kworker/5:123:53:025
279466999377376,1cyclictest2797653-21kworker/5:123:31:025
279466999377376,1cyclictest2797653-21kworker/5:122:37:025
279466999377376,1cyclictest2797653-21kworker/5:122:24:025
279466999377376,1cyclictest2797653-21kworker/5:121:27:015
279466999377375,1cyclictest3074880-21kworker/5:200:05:015
279466999377375,1cyclictest2797653-21kworker/5:120:01:015
279466999376375,1cyclictest2797653-21kworker/5:123:01:025
279466999376375,1cyclictest2797653-21kworker/5:122:40:025
279466999376375,1cyclictest2797653-21kworker/5:119:45:025
279466999376375,1cyclictest0-21swapper/523:17:025
279466999376375,1cyclictest0-21swapper/522:52:025
279466999376375,1cyclictest0-21swapper/521:47:025
279466999376375,1cyclictest0-21swapper/521:32:015
279466999376375,1cyclictest0-21swapper/521:18:025
279466999376375,1cyclictest0-21swapper/520:10:025
279466999375374,1cyclictest0-21swapper/500:34:015
279466999375373,2cyclictest2797653-21kworker/5:122:03:025
279466999374373,1cyclictest2797653-21kworker/5:122:31:015
279466999374373,1cyclictest2797653-21kworker/5:121:44:025
279466999373372,1cyclictest2797653-21kworker/5:122:08:025
279466999373372,1cyclictest2797653-21kworker/5:122:08:025
279466999373372,1cyclictest2797653-21kworker/5:120:25:025
279466999373372,1cyclictest0-21swapper/521:14:025
279466999373372,1cyclictest0-21swapper/519:54:025
279466999373370,2cyclictest3026561-21kworker/5:019:17:015
279466999372371,1cyclictest2797653-21kworker/5:120:58:025
279466999372371,1cyclictest0-21swapper/520:09:025
279466999372370,1cyclictest2797653-21kworker/5:119:24:025
279466999371369,1cyclictest2797653-21kworker/5:120:41:025
279466999371369,1cyclictest2797653-21kworker/5:120:17:025
279466999371369,1cyclictest2797653-21kworker/5:119:39:025
279466999370368,1cyclictest2797653-21kworker/5:119:59:025
279466999367366,1cyclictest2797653-21kworker/5:119:28:025
279466999367366,1cyclictest0-21swapper/520:36:025
279466399332330,1cyclictest2877093-21kworker/4:223:37:024
279463099311310,1cyclictest0-21swapper/023:37:020
279464799310309,1cyclictest0-21swapper/222:05:022
279464799310309,1cyclictest0-21swapper/222:05:022
279464799308307,1cyclictest0-21swapper/223:20:022
279464799308307,1cyclictest0-21swapper/223:13:022
279464799308307,1cyclictest0-21swapper/200:29:022
279464799307306,1cyclictest2905901-21kworker/2:222:15:012
279464799307306,1cyclictest0-21swapper/222:13:022
279464799307305,1cyclictest0-21swapper/223:41:022
279464799306305,1cyclictest2905901-21kworker/2:223:04:022
279464799306305,1cyclictest2819539-21kworker/2:021:40:022
279464799306305,1cyclictest0-21swapper/223:15:022
279464799306305,1cyclictest0-21swapper/220:06:022
279464799306303,2cyclictest2905901-21kworker/2:200:03:012
279464799305304,1cyclictest2905901-21kworker/2:222:20:022
279464799305304,1cyclictest2819539-21kworker/2:021:30:022
279464799305304,1cyclictest0-21swapper/221:21:022
279464799305303,1cyclictest0-21swapper/223:54:022
279464799305303,1cyclictest0-21swapper/222:48:022
279464799305303,1cyclictest0-21swapper/200:24:022
279464799304303,1cyclictest2905901-21kworker/2:221:45:022
279464799304303,1cyclictest0-21swapper/220:00:022
279464799304302,2cyclictest2905901-21kworker/2:223:08:012
279464799304302,1cyclictest2905901-21kworker/2:222:02:022
279464799304302,1cyclictest0-21swapper/222:32:022
279464799304301,2cyclictest2819539-21kworker/2:021:28:012
279464799303302,1cyclictest0-21swapper/222:50:022
279464799303301,1cyclictest3126124-21kworker/2:100:35:012
279464799303301,1cyclictest2905901-21kworker/2:222:28:012
279464799303301,1cyclictest0-21swapper/223:58:012
279464799302301,1cyclictest2905901-21kworker/2:223:48:022
279464799302301,1cyclictest2905901-21kworker/2:222:57:022
279464799302301,1cyclictest2905901-21kworker/2:200:08:012
279464799302301,1cyclictest2819539-21kworker/2:021:35:022
279464799302301,1cyclictest2546216-21kworker/2:119:11:012
279464799302301,1cyclictest0-21swapper/222:41:012
279464799301300,1cyclictest2819539-21kworker/2:020:40:022
279464799301300,1cyclictest2804501-21kworker/2:219:35:022
279464799301300,1cyclictest0-21swapper/221:50:022
279464799301300,1cyclictest0-21swapper/219:55:012
279464799301299,1cyclictest2804501-21kworker/2:219:40:022
279464799300299,1cyclictest2804501-21kworker/2:219:46:022
279464799300299,1cyclictest2804501-21kworker/2:219:33:022
279464799300298,1cyclictest2905901-21kworker/2:222:36:022
279464799300298,1cyclictest2819539-21kworker/2:020:35:022
279464799300298,1cyclictest0-21swapper/219:53:022
279464799299298,1cyclictest2819539-21kworker/2:020:33:012
279464799299298,1cyclictest2546216-21kworker/2:119:20:022
279464799299297,1cyclictest2819539-21kworker/2:021:00:012
279464799299297,1cyclictest2819539-21kworker/2:020:21:022
279464799298297,1cyclictest0-21swapper/221:07:012
279464799298297,1cyclictest0-21swapper/220:59:022
279464799298296,1cyclictest0-21swapper/220:26:012
279464799296295,1cyclictest2819539-21kworker/2:020:16:022
279464799296295,1cyclictest2819539-21kworker/2:020:12:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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