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2026-04-22 - 18:11
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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 Wed Apr 22, 2026 12:46:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304793499371369,1cyclictest0-21swapper/212:31:022
304793499371369,1cyclictest0-21swapper/210:27:022
304793499371369,1cyclictest0-21swapper/207:13:032
304793499370368,1cyclictest0-21swapper/210:55:022
304793499370368,1cyclictest0-21swapper/209:05:022
304793499370368,1cyclictest0-21swapper/208:41:022
304793499369367,1cyclictest0-21swapper/212:11:022
304793499369367,1cyclictest0-21swapper/211:03:022
304793499369367,1cyclictest0-21swapper/210:37:022
304793499369367,1cyclictest0-21swapper/210:31:022
304793499369367,1cyclictest0-21swapper/209:51:022
304793499369367,1cyclictest0-21swapper/209:13:022
304793499368367,1cyclictest0-21swapper/208:03:022
304793499368366,1cyclictest0-21swapper/211:19:022
304793499368366,1cyclictest0-21swapper/207:49:022
304793499368365,2cyclictest0-21swapper/210:01:022
304793499367366,1cyclictest3044791-21kworker/2:009:55:022
304793499367365,1cyclictest0-21swapper/207:33:022
304793499366365,1cyclictest3044791-21kworker/2:009:25:022
304793499366364,1cyclictest0-21swapper/209:01:022
304793499366364,1cyclictest0-21swapper/208:49:022
304793499365364,1cyclictest0-21swapper/210:09:022
304793499365363,1cyclictest0-21swapper/208:20:022
304793499364363,1cyclictest0-21swapper/211:35:022
304793499364363,1cyclictest0-21swapper/211:35:022
304793499364363,1cyclictest0-21swapper/207:43:022
304793499364362,1cyclictest3044791-21kworker/2:011:09:022
304793499364362,1cyclictest0-21swapper/209:24:022
304793499364362,1cyclictest0-21swapper/208:59:022
304793499364362,1cyclictest0-21swapper/207:25:022
304793499363362,1cyclictest0-21swapper/212:26:022
304793499363361,2cyclictest3044791-21kworker/2:007:17:022
304793499363361,1cyclictest0-21swapper/211:48:022
304793499363361,1cyclictest0-21swapper/207:21:022
304793499362361,1cyclictest3044791-21kworker/2:008:29:022
304793499362361,1cyclictest3044791-21kworker/2:007:53:022
304793499362361,1cyclictest0-21swapper/212:03:022
304793499362361,1cyclictest0-21swapper/210:14:022
304793499362361,1cyclictest0-21swapper/208:17:022
304793499362360,1cyclictest0-21swapper/212:22:022
304793499362360,1cyclictest0-21swapper/212:09:022
304793499362360,1cyclictest0-21swapper/207:37:022
304793499361360,1cyclictest0-21swapper/211:55:022
304793499361360,1cyclictest0-21swapper/211:50:022
304793499361360,1cyclictest0-21swapper/211:14:022
304793499361360,1cyclictest0-21swapper/210:18:022
304793499361360,1cyclictest0-21swapper/208:33:022
304793499361359,1cyclictest0-21swapper/211:31:022
304793499361358,1cyclictest3044791-21kworker/2:009:47:022
304793499360359,1cyclictest0-21swapper/210:43:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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