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2026-05-07 - 06:25
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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 Thu May 07, 2026 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
395148499376374,2cyclictest4021510-21kworker/0:000:31:030
395148499376374,1cyclictest4021510-21kworker/0:023:06:020
395148499374372,1cyclictest4021510-21kworker/0:023:39:010
395148499373372,1cyclictest4021510-21kworker/0:021:49:020
395148499371369,1cyclictest0-21swapper/023:32:020
395148499371369,1cyclictest0-21swapper/022:25:010
395148499370368,1cyclictest4021510-21kworker/0:022:02:010
395148499370367,2cyclictest4021510-21kworker/0:021:42:010
395148499369368,1cyclictest4021510-21kworker/0:022:45:010
395148499369367,2cyclictest4021510-21kworker/0:021:13:010
395148499369367,1cyclictest0-21swapper/022:15:010
395148499368367,1cyclictest0-21swapper/021:59:010
395148499368367,1cyclictest0-21swapper/021:59:010
395148499368366,1cyclictest0-21swapper/020:13:020
395148499367366,1cyclictest4021510-21kworker/0:021:21:010
395148499367366,1cyclictest0-21swapper/023:41:020
395148499367366,1cyclictest0-21swapper/023:12:020
395148499367365,1cyclictest4021510-21kworker/0:000:15:030
395148499367365,1cyclictest4021510-21kworker/0:000:02:010
395148499367364,2cyclictest4021510-21kworker/0:022:31:010
395148499366365,1cyclictest4021510-21kworker/0:021:33:020
395148499366365,1cyclictest0-21swapper/023:59:020
395148499366364,1cyclictest4021510-21kworker/0:022:40:030
395148499366364,1cyclictest0-21swapper/000:06:020
395148499365364,1cyclictest4021510-21kworker/0:023:01:010
395148499364363,1cyclictest4021510-21kworker/0:000:23:030
395148499364363,1cyclictest0-21swapper/020:30:010
395148499364363,1cyclictest0-21swapper/020:30:010
395148499364363,1cyclictest0-21swapper/000:36:020
395148499363362,1cyclictest685632-21kworker/0:220:15:020
395148499363362,1cyclictest0-21swapper/023:53:010
395148499363362,1cyclictest0-21swapper/022:08:020
395148499363362,1cyclictest0-21swapper/000:27:030
395148499363361,1cyclictest4021510-21kworker/0:021:27:020
395148499363361,1cyclictest0-21swapper/020:01:010
395148499362361,1cyclictest685632-21kworker/0:220:05:010
395148499362361,1cyclictest0-21swapper/023:27:020
395148499362361,1cyclictest0-21swapper/023:27:010
395148499362361,1cyclictest0-21swapper/022:11:020
395148499362360,1cyclictest0-21swapper/023:47:020
395148499362360,1cyclictest0-21swapper/022:38:010
395148499362360,1cyclictest0-21swapper/021:00:020
395148499362360,1cyclictest0-21swapper/000:11:020
395148499361360,1cyclictest685632-21kworker/0:220:46:020
395148499361360,1cyclictest685632-21kworker/0:219:55:020
395148499361360,1cyclictest685632-21kworker/0:219:47:020
395148499361360,1cyclictest685632-21kworker/0:219:13:020
395148499361360,1cyclictest0-21swapper/021:05:020
395148499360359,1cyclictest4021510-21kworker/0:022:52:020
395148499360359,1cyclictest0-21swapper/020:25:010
395148499360358,1cyclictest0-21swapper/020:35:020
395148499359358,1cyclictest685632-21kworker/0:219:50:020
395148499359357,1cyclictest0-21swapper/019:31:010
395148499358357,1cyclictest685632-21kworker/0:220:24:020
395148499358357,1cyclictest0-21swapper/019:21:020
395148499358356,1cyclictest685632-21kworker/0:219:26:010
395148499358356,1cyclictest0-21swapper/020:57:010
395148499358356,1cyclictest0-21swapper/019:41:020
395148499357356,1cyclictest0-21swapper/019:19:020
395148499356355,1cyclictest0-21swapper/020:54:010
395148499356355,1cyclictest0-21swapper/020:41:020
395148499355354,1cyclictest0-21swapper/019:39:010
395153299350347,1cyclictest0-21swapper/622:24:016
395150299342338,2cyclictest3939313-21kworker/2:022:24:012
395151699315314,1cyclictest0-21swapper/421:58:024
395151699315314,1cyclictest0-21swapper/421:58:024
395151699309308,1cyclictest0-21swapper/400:31:034
395151699309307,1cyclictest0-21swapper/423:06:034
395151699307306,1cyclictest0-21swapper/423:39:024
395151699307306,1cyclictest0-21swapper/421:49:014
395151699304303,1cyclictest4006464-21kworker/4:022:25:024
395151699303302,1cyclictest4181914-21kworker/4:223:32:034
395151699303302,1cyclictest0-21swapper/422:45:014
395151699303302,1cyclictest0-21swapper/422:02:014
395151699303301,1cyclictest0-21swapper/421:42:014
395151699303301,1cyclictest0-21swapper/421:13:024
395151699302300,2cyclictest4006464-21kworker/4:022:15:014
395151699302300,1cyclictest0-21swapper/421:21:014
395151699301300,1cyclictest4181914-21kworker/4:223:41:014
395151699301300,1cyclictest4140890-21kworker/4:123:12:024
395151699301300,1cyclictest0-21swapper/400:18:014
395151699301299,1cyclictest18062-21kworker/4:320:13:014
395151699300299,1cyclictest0-21swapper/421:33:024
395151699300299,1cyclictest0-21swapper/400:02:024
395151699300298,1cyclictest0-21swapper/422:40:024
395151699300298,1cyclictest0-21swapper/422:31:014
395151699299298,1cyclictest4181914-21kworker/4:223:59:034
395151699299298,1cyclictest4181914-21kworker/4:200:06:034
395151699298297,1cyclictest18062-21kworker/4:320:30:024
395151699298297,1cyclictest18062-21kworker/4:320:30:014
395151699298297,1cyclictest0-21swapper/423:01:024
395151699298297,1cyclictest0-21swapper/400:23:024
395151699298296,1cyclictest4181914-21kworker/4:200:36:034
395151699297296,1cyclictest4181914-21kworker/4:223:53:024
395151699297296,1cyclictest4181914-21kworker/4:200:27:024
395151699297296,1cyclictest0-21swapper/420:15:014
395151699297294,2cyclictest4181914-21kworker/4:223:47:014
395151699296295,1cyclictest4006464-21kworker/4:022:05:014
395151699296295,1cyclictest18062-21kworker/4:320:00:024
395151699296295,1cyclictest0-21swapper/421:27:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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