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2026-04-27 - 15:56
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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 rackcslot6.osadl.org (updated Mon Apr 27, 2026 12:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
65418599376374,1cyclictest751226-21kworker/5:112:35:025
65418599375374,1cyclictest751226-21kworker/5:110:07:025
65418599375374,1cyclictest739202-21kworker/5:209:30:025
65418599375374,1cyclictest0-21swapper/512:10:025
65418599374373,1cyclictest0-21swapper/512:31:025
65419899373372,1cyclictest784065-21kworker/7:010:56:027
65418599373372,1cyclictest654023-21kworker/5:009:01:025
65418599373372,1cyclictest0-21swapper/510:28:025
65418599373372,1cyclictest0-21swapper/508:33:025
65418599373372,1cyclictest0-21swapper/507:40:025
65418599372371,1cyclictest739202-21kworker/5:209:50:025
65418599372371,1cyclictest0-21swapper/512:22:025
65418599372371,1cyclictest0-21swapper/512:03:025
65418599372371,1cyclictest0-21swapper/511:50:025
65418599372371,1cyclictest0-21swapper/511:20:025
65418599372371,1cyclictest0-21swapper/509:05:025
65418599372371,1cyclictest0-21swapper/509:05:025
65418599372371,1cyclictest0-21swapper/508:40:025
65418599372371,1cyclictest0-21swapper/508:05:025
65418599372370,1cyclictest898459-21kworker/5:307:37:025
65418599372370,1cyclictest898459-21kworker/5:307:37:025
65418599371370,1cyclictest898459-21kworker/5:308:11:025
65418599371370,1cyclictest751226-21kworker/5:112:15:025
65418599371370,1cyclictest751226-21kworker/5:111:45:025
65418599371370,1cyclictest751226-21kworker/5:111:35:025
65418599371370,1cyclictest751226-21kworker/5:110:55:025
65418599371370,1cyclictest654023-21kworker/5:009:10:025
65418599371370,1cyclictest0-21swapper/509:35:025
65418599370369,1cyclictest751226-21kworker/5:111:07:025
65418599370369,1cyclictest751226-21kworker/5:110:35:025
65418599370369,1cyclictest751226-21kworker/5:110:10:025
65418599370369,1cyclictest0-21swapper/512:25:025
65418599370369,1cyclictest0-21swapper/510:48:025
65418599370369,1cyclictest0-21swapper/510:19:025
65418599370369,1cyclictest0-21swapper/507:30:025
65418599369368,1cyclictest898459-21kworker/5:308:38:025
65418599369368,1cyclictest751226-21kworker/5:111:40:025
65418599369368,1cyclictest751226-21kworker/5:111:33:025
65418599369368,1cyclictest751226-21kworker/5:111:25:025
65418599369368,1cyclictest751226-21kworker/5:111:12:025
65418599369368,1cyclictest751226-21kworker/5:111:03:025
65418599369368,1cyclictest751226-21kworker/5:109:58:025
65418599369368,1cyclictest0-21swapper/512:07:025
65418599369368,1cyclictest0-21swapper/511:57:025
65418599369368,1cyclictest0-21swapper/511:57:015
65418599369368,1cyclictest0-21swapper/509:28:025
65418599369368,1cyclictest0-21swapper/508:04:025
65418599368367,1cyclictest898459-21kworker/5:308:23:025
65418599368367,1cyclictest751226-21kworker/5:111:19:025
65418599368367,1cyclictest654023-21kworker/5:008:56:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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