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2026-06-28 - 21:45
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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 50 highest latencies:
System rackdslot0.osadl.org (updated Sun Jun 28, 2026 12:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2781299258,16cyclictest11788-21grep08:35:012
27811992422,2cyclictest0-21swapper/110:39:581
27811992414,0cyclictest0-21swapper/111:04:101
2781099248,2cyclictest4099-21H222:10:210
2781299230,5cyclictest0-21swapper/211:57:452
27811992319,0cyclictest0-21swapper/110:34:181
27811992313,0cyclictest0-21swapper/111:09:521
2781199230,5cyclictest0-21swapper/109:38:171
27810992314,5cyclictest0-21swapper/009:01:140
27812992213,0cyclictest0-21swapper/211:33:432
27811992220,0cyclictest0-21swapper/109:43:451
27811992213,0cyclictest0-21swapper/109:02:221
27811992212,10cyclictest0-21swapper/108:10:181
27811992211,0cyclictest0-21swapper/108:31:361
27812992119,1cyclictest21989-21ntp_kernel_pll_08:50:172
27812992119,1cyclictest21989-21ntp_kernel_pll_08:50:162
27812992112,0cyclictest0-21swapper/208:18:582
27812992111,9cyclictest0-21swapper/209:06:382
2781299210,20cyclictest1274-21runrttasks10:50:272
2781199219,1cyclictest0-21swapper/111:30:231
2781199215,1cyclictest0-21swapper/108:47:001
27811992120,0cyclictest0-21swapper/110:58:261
27811992120,0cyclictest0-21swapper/110:14:261
27811992119,0cyclictest0-21swapper/111:17:591
27811992119,0cyclictest0-21swapper/111:13:401
27811992119,0cyclictest0-21swapper/110:47:321
2781199210,18cyclictest13233-21grep12:25:151
2781299206,13cyclictest0-21swapper/210:49:032
27812992018,1cyclictest0-21swapper/209:51:152
2781199203,16cyclictest993-21dbus-daemon12:00:211
27811992019,0cyclictest0-21swapper/110:16:491
27811992018,2cyclictest25645-21kworker/1:208:28:121
27811992018,2cyclictest0-21swapper/110:22:311
27811992010,10cyclictest0-21swapper/108:02:371
27811992010,10cyclictest0-21swapper/108:02:371
27810992011,0cyclictest0-21swapper/011:33:420
27810992010,1cyclictest0-21swapper/008:18:580
2781099200,19cyclictest0-21swapper/009:55:010
2781299191,15cyclictest0-21swapper/210:40:392
2781299190,2cyclictest3989-21H222:10:212
2781299190,16cyclictest3987-21H222:10:212
2781299190,16cyclictest3987-21H222:10:212
2781299190,16cyclictest3976-21H222:10:212
2781299190,16cyclictest3976-21H222:10:212
2781199199,10cyclictest21-21ksoftirqd/111:24:101
2781199198,11cyclictest0-21swapper/110:43:471
27811991918,0cyclictest0-21swapper/110:00:431
27811991917,1cyclictest27220-21perf10:00:001
27811991916,2cyclictest18149-21cron07:50:021
27811991916,2cyclictest17900-21latency11:35:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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