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2026-04-15 - 23:01
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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 Apr 15, 2026 12:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
429882993810,380cyclictest0-21swapper/112:26:021
429882993810,380cyclictest0-21swapper/107:15:031
42988299380379,1cyclictest733771-21kworker/1:107:20:021
42988299380379,1cyclictest569090-21kworker/1:011:20:021
42988299380379,1cyclictest0-21swapper/111:54:021
429882993800,379cyclictest0-21swapper/110:00:021
429882993800,379cyclictest0-21swapper/107:25:031
429882993800,1cyclictest0-21swapper/109:50:021
42988299379377,1cyclictest0-21swapper/109:57:021
42988299378377,1cyclictest733771-21kworker/1:107:44:021
42988299378377,1cyclictest0-21swapper/110:39:021
42988299378377,1cyclictest0-21swapper/108:23:021
42988299378377,1cyclictest0-21swapper/107:51:021
42988299378376,1cyclictest569090-21kworker/1:012:35:021
42988299377376,1cyclictest0-21swapper/111:13:021
42988299377375,1cyclictest733771-21kworker/1:108:55:021
42988299377375,1cyclictest733771-21kworker/1:107:35:021
42800423770,2sleep00-21swapper/007:05:140
42988299376375,1cyclictest569090-21kworker/1:011:26:021
42988299376374,1cyclictest733771-21kworker/1:109:03:021
42988299376374,1cyclictest569090-21kworker/1:011:07:021
42988299374373,1cyclictest569090-21kworker/1:012:17:021
42988299373372,1cyclictest569090-21kworker/1:011:47:021
42988299373371,1cyclictest733771-21kworker/1:107:14:021
42988299372371,1cyclictest733771-21kworker/1:108:29:021
42992799332330,1cyclictest0-21swapper/709:00:027
42992799331330,1cyclictest0-21swapper/707:10:027
42987499329328,1cyclictest0-21swapper/008:10:030
42992799328327,1cyclictest0-21swapper/712:34:027
42992799328327,1cyclictest0-21swapper/707:21:027
42987499328326,1cyclictest0-21swapper/008:30:020
42992799327326,1cyclictest0-21swapper/711:30:027
42992799327325,1cyclictest0-21swapper/708:33:027
42992799326325,1cyclictest0-21swapper/711:00:027
42992799326325,1cyclictest0-21swapper/710:56:027
42992799326325,1cyclictest0-21swapper/709:28:027
42992799326325,1cyclictest0-21swapper/709:28:027
42992799326325,1cyclictest0-21swapper/708:15:027
42992799326324,1cyclictest0-21swapper/707:59:027
42992799326324,1cyclictest0-21swapper/707:59:027
42987499326325,1cyclictest0-21swapper/010:49:020
42987499326325,1cyclictest0-21swapper/009:47:020
42987499326324,1cyclictest730710-21kworker/0:209:06:030
42992799325324,1cyclictest0-21swapper/710:33:027
42992799325324,1cyclictest0-21swapper/709:33:027
42987499325324,1cyclictest730710-21kworker/0:207:26:020
42987499325323,1cyclictest730710-21kworker/0:211:49:030
42992799324323,1cyclictest605211-21kworker/7:212:05:027
42992799324323,1cyclictest605211-21kworker/7:212:03:027
42992799324323,1cyclictest580769-21kworker/7:011:45:027
42992799324323,1cyclictest523974-21kworker/7:109:55:027
42992799324323,1cyclictest0-21swapper/710:10:027
42992799324323,1cyclictest0-21swapper/710:02:027
42992799324323,1cyclictest0-21swapper/707:33:027
42992799324322,1cyclictest0-21swapper/710:43:027
42987499324323,1cyclictest730710-21kworker/0:209:35:020
42987499324323,1cyclictest730710-21kworker/0:207:50:020
42987499324323,1cyclictest730710-21kworker/0:207:45:030
42987499324323,1cyclictest0-21swapper/011:51:020
42987499324323,1cyclictest0-21swapper/011:40:020
42987499324323,1cyclictest0-21swapper/008:20:020
42987499324323,1cyclictest0-21swapper/007:19:020
42987499324322,1cyclictest0-21swapper/010:20:020
42987499324322,1cyclictest0-21swapper/009:31:020
42992799323322,1cyclictest478853-21kworker/7:208:38:027
42992799323322,1cyclictest0-21swapper/710:51:027
42992799323322,1cyclictest0-21swapper/709:44:027
42992799323322,1cyclictest0-21swapper/709:18:027
42992799323322,1cyclictest0-21swapper/708:06:027
42992799323321,1cyclictest580769-21kworker/7:011:35:027
42987499323322,1cyclictest0-21swapper/011:55:020
42987499323322,1cyclictest0-21swapper/010:41:020
42987499323322,1cyclictest0-21swapper/008:40:020
42987499323321,1cyclictest730710-21kworker/0:212:01:020
42987499323321,1cyclictest0-21swapper/011:33:020
42987499323321,1cyclictest0-21swapper/011:08:020
42992799322321,1cyclictest523974-21kworker/7:111:10:027
42992799322321,1cyclictest523974-21kworker/7:111:05:027
42992799322321,1cyclictest1902748-21kworker/7:007:40:027
42992799322320,1cyclictest0-21swapper/710:08:027
42987499322321,1cyclictest730710-21kworker/0:210:59:020
42987499322321,1cyclictest730710-21kworker/0:207:12:020
42987499322320,1cyclictest730710-21kworker/0:212:19:020
42987499322320,1cyclictest730710-21kworker/0:210:13:020
42987499322320,1cyclictest730710-21kworker/0:209:02:020
42987499322320,1cyclictest0-21swapper/011:28:020
42992799321320,1cyclictest523974-21kworker/7:110:25:027
42992799321320,1cyclictest478853-21kworker/7:209:20:027
42992799321320,1cyclictest478853-21kworker/7:209:09:027
42992799321320,1cyclictest1902748-21kworker/7:008:01:027
42992799321320,1cyclictest0-21swapper/709:36:027
42992799321319,1cyclictest478853-21kworker/7:209:10:027
42987499321320,1cyclictest730710-21kworker/0:210:31:020
42987499321320,1cyclictest0-21swapper/012:08:020
42987499321320,1cyclictest0-21swapper/011:24:020
42987499321320,1cyclictest0-21swapper/011:02:020
42987499321320,1cyclictest0-21swapper/008:36:020
42987499321320,1cyclictest0-21swapper/008:16:020
42987499321319,1cyclictest730710-21kworker/0:212:28:020
42987499321319,1cyclictest730710-21kworker/0:210:01:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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