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2026-05-02 - 14:45
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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 100 highest latencies:
System rackcslot6.osadl.org (updated Sat May 02, 2026 00:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2165867993810,380cyclictest0-21swapper/423:39:024
216583599380378,1cyclictest0-21swapper/021:49:020
216586799378376,1cyclictest2243984-21kworker/4:222:23:034
216583599378376,1cyclictest2153677-21kworker/0:219:15:020
216583599374372,1cyclictest0-21swapper/022:38:020
216583599373372,1cyclictest2153677-21kworker/0:221:01:020
216583599373372,1cyclictest0-21swapper/021:41:020
216583599373372,1cyclictest0-21swapper/021:22:030
216583599373371,1cyclictest2356893-21kworker/0:100:27:030
216583599373371,1cyclictest2238833-21diskmemload22:57:030
216583599373371,1cyclictest0-21swapper/000:11:020
216583599372371,1cyclictest0-21swapper/000:04:030
216583599372370,1cyclictest0-21swapper/023:23:020
216583599372370,1cyclictest0-21swapper/021:39:020
216583599371370,1cyclictest0-21swapper/022:48:030
216583599371369,2cyclictest2356893-21kworker/0:123:28:030
216583599371369,1cyclictest2153677-21kworker/0:222:43:020
216583599370369,1cyclictest2356893-21kworker/0:100:05:020
216583599370369,1cyclictest0-21swapper/021:28:030
216583599370369,1cyclictest0-21swapper/020:00:020
216583599370368,1cyclictest2153677-21kworker/0:222:27:020
216583599369368,1cyclictest2153677-21kworker/0:222:21:030
216583599369368,1cyclictest2153677-21kworker/0:221:57:020
216583599369368,1cyclictest0-21swapper/023:17:020
216583599369367,1cyclictest0-21swapper/019:55:020
216583599368367,1cyclictest2356893-21kworker/0:123:36:020
216583599368367,1cyclictest2356893-21kworker/0:122:54:030
216583599368367,1cyclictest2153677-21kworker/0:222:10:020
216583599368367,1cyclictest0-21swapper/023:49:020
216583599368367,1cyclictest0-21swapper/021:50:030
216583599368367,1cyclictest0-21swapper/021:05:020
216583599368366,1cyclictest2356893-21kworker/0:123:08:020
216583599368366,1cyclictest0-21swapper/000:18:020
216583599367366,1cyclictest0-21swapper/021:33:020
216583599366365,1cyclictest2153677-21kworker/0:220:10:030
216583599366365,1cyclictest0-21swapper/020:44:030
216583599366365,1cyclictest0-21swapper/019:25:020
216588299365361,2cyclictest0-21swapper/621:49:026
216583599365364,1cyclictest2153677-21kworker/0:221:11:020
216583599365363,1cyclictest0-21swapper/020:33:020
216588299363361,1cyclictest0-21swapper/621:55:026
216586799363361,1cyclictest0-21swapper/421:49:024
216583599363362,1cyclictest0-21swapper/020:52:030
216583599363360,2cyclictest0-21swapper/019:43:030
216588299362361,1cyclictest0-21swapper/622:03:026
216583599362361,1cyclictest0-21swapper/020:47:030
216583599362360,1cyclictest2153677-21kworker/0:220:16:020
216583599362360,1cyclictest2153677-21kworker/0:219:53:020
216586799361359,1cyclictest0-21swapper/419:15:034
216583599361360,1cyclictest2153677-21kworker/0:220:06:030
216583599361360,1cyclictest2153677-21kworker/0:220:06:020
216583599361359,1cyclictest2153677-21kworker/0:219:23:020
216588299360357,2cyclictest0-21swapper/622:49:026
216583599360359,1cyclictest2153677-21kworker/0:219:36:030
216583599360359,1cyclictest0-21swapper/019:34:030
216588299359356,3cyclictest2223826-21kworker/6:221:19:026
216585299359356,1cyclictest22865072sleep221:49:022
216588299358357,1cyclictest0-21swapper/623:47:026
216586799358355,2cyclictest2243984-21kworker/4:222:38:024
216585299357356,1cyclictest2199565-21kworker/2:322:03:022
216585299357356,1cyclictest2199565-21kworker/2:321:55:032
216588299356355,1cyclictest0-21swapper/622:40:026
216588299356353,3cyclictest0-21swapper/600:08:026
216586799356355,1cyclictest2243984-21kworker/4:221:22:024
216586799356355,1cyclictest0-21swapper/421:01:034
216588299355354,1cyclictest2290701-21kworker/6:022:35:036
216588299355354,1cyclictest2223826-21kworker/6:221:23:026
216588299355354,1cyclictest0-21swapper/623:24:026
216588299355354,1cyclictest0-21swapper/623:07:026
216588299355353,1cyclictest2290701-21kworker/6:023:52:026
216588299355353,1cyclictest0-21swapper/623:33:036
216588299355352,3cyclictest2290701-21kworker/6:023:37:036
216588299355352,2cyclictest97550irq/166-enp0s3121:36:026
216586799355354,1cyclictest2243984-21kworker/4:221:41:024
216586799355354,1cyclictest0-21swapper/400:27:024
216586799355353,1cyclictest2243984-21kworker/4:221:39:034
216588299354353,1cyclictest2290701-21kworker/6:022:30:026
216588299354353,1cyclictest0-21swapper/622:59:036
216588299354353,1cyclictest0-21swapper/600:17:026
216588299354352,1cyclictest2460292-21kworker/6:100:14:026
216588299354352,1cyclictest2290701-21kworker/6:022:19:026
216588299354351,2cyclictest0-21swapper/623:42:026
216586799354353,1cyclictest2243984-21kworker/4:223:23:024
216586799354353,1cyclictest2243984-21kworker/4:222:57:024
216586799354353,1cyclictest2243984-21kworker/4:222:48:024
216586799354353,1cyclictest2243984-21kworker/4:200:11:024
216586799354353,1cyclictest2243984-21kworker/4:200:04:024
216586799354352,1cyclictest2136423-21kworker/4:020:00:034
216585299354353,1cyclictest2199565-21kworker/2:322:49:022
216588299353352,1cyclictest2290701-21kworker/6:022:24:026
216586799353352,1cyclictest2243984-21kworker/4:221:28:024
216586799353352,1cyclictest0-21swapper/423:28:024
216586799353352,1cyclictest0-21swapper/422:43:024
216586799353352,1cyclictest0-21swapper/400:05:024
216585299353352,1cyclictest2199565-21kworker/2:323:47:022
216585299353352,1cyclictest0-21swapper/221:19:022
216588299352351,1cyclictest2223826-21kworker/6:221:26:036
216588299352351,1cyclictest0-21swapper/622:12:026
216588299352351,1cyclictest0-21swapper/621:43:026
216588299352351,1cyclictest0-21swapper/621:30:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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