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2026-06-29 - 05:20
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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 Mon Jun 29, 2026 00:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
223999499393392,1cyclictest2519163-21kworker/2:200:12:022
223997899367366,1cyclictest2396110-21kworker/0:223:01:020
223997899367366,1cyclictest2396110-21kworker/0:223:01:020
223997899367366,1cyclictest0-21swapper/023:55:020
223997899366365,1cyclictest0-21swapper/021:40:020
223997899366365,1cyclictest0-21swapper/021:21:020
223997899366364,1cyclictest2396110-21kworker/0:200:13:010
223997899366364,1cyclictest0-21swapper/021:31:020
223997899365364,1cyclictest2310011-21kworker/0:022:08:020
223997899365364,1cyclictest0-21swapper/021:27:020
223997899365362,2cyclictest2396110-21kworker/0:223:40:020
223997899364363,1cyclictest2396110-21kworker/0:222:27:020
223997899364363,1cyclictest0-21swapper/000:00:020
223997899364362,1cyclictest2312982-21diskmemload21:53:010
223997899364362,1cyclictest0-21swapper/023:39:020
223997899363362,1cyclictest0-21swapper/023:15:020
223997899363362,1cyclictest0-21swapper/022:58:020
223997899362361,1cyclictest2310011-21kworker/0:021:11:020
223997899362360,1cyclictest2396110-21kworker/0:223:54:020
223997899362360,1cyclictest2396110-21kworker/0:223:13:020
223997899362360,1cyclictest2396110-21kworker/0:200:08:010
223997899362360,1cyclictest0-21swapper/022:40:020
223997899361360,1cyclictest2396110-21kworker/0:222:48:020
223997899361360,1cyclictest2310011-21kworker/0:021:15:020
223997899361360,1cyclictest0-21swapper/022:12:020
223997899361359,1cyclictest0-21swapper/023:47:010
223997899361359,1cyclictest0-21swapper/020:35:020
223997899360359,1cyclictest2396110-21kworker/0:200:26:020
223997899360359,1cyclictest0-21swapper/019:32:020
223997899360358,1cyclictest2252847-21kworker/0:120:30:020
223997899360358,1cyclictest0-21swapper/022:15:020
223997899360358,1cyclictest0-21swapper/021:36:020
223997899359358,1cyclictest2396110-21kworker/0:222:30:020
223997899359358,1cyclictest2396110-21kworker/0:200:30:020
223997899359358,1cyclictest2310011-21kworker/0:021:46:010
223997899359358,1cyclictest0-21swapper/022:03:020
223997899359357,1cyclictest2310011-21kworker/0:021:56:020
223997899358357,1cyclictest2396110-21kworker/0:223:28:020
223997899358357,1cyclictest0-21swapper/022:50:020
223997899358357,1cyclictest0-21swapper/022:39:010
223997899358357,1cyclictest0-21swapper/022:20:010
223997899357356,1cyclictest0-21swapper/000:39:020
223997899357355,1cyclictest2252847-21kworker/0:121:07:010
223997899356355,1cyclictest2396110-21kworker/0:200:23:020
223997899356355,1cyclictest0-21swapper/020:07:020
223997899356355,1cyclictest0-21swapper/020:07:010
223997899356355,1cyclictest0-21swapper/019:51:020
223997899356355,1cyclictest0-21swapper/019:25:020
223997899356355,1cyclictest0-21swapper/000:16:020
223902923560,11sleep010-21ksoftirqd/019:05:270
223997899355354,1cyclictest0-21swapper/021:00:020
223997899355354,1cyclictest0-21swapper/019:40:020
223997899355354,1cyclictest0-21swapper/019:37:010
223997899354353,1cyclictest0-21swapper/020:56:020
223997899354353,1cyclictest0-21swapper/020:22:020
223997899354353,1cyclictest0-21swapper/019:45:020
223997899354352,1cyclictest0-21swapper/020:29:010
223997899353352,1cyclictest0-21swapper/020:51:020
223997899352351,1cyclictest2490166-21kworker/0:219:19:020
223997899352351,1cyclictest0-21swapper/020:13:020
223997899351350,1cyclictest0-21swapper/020:42:020
223997899350349,1cyclictest0-21swapper/019:23:020
223997899350348,1cyclictest2252847-21kworker/0:119:59:020
223997899349348,1cyclictest0-21swapper/019:13:020
223999499347345,1cyclictest0-21swapper/222:24:022
224000699338337,1cyclictest2328492-21kworker/4:121:51:024
223999499324323,1cyclictest0-21swapper/221:42:012
223999499324322,1cyclictest2430563-21kthreadd22:46:022
223999499323322,1cyclictest0-21swapper/222:59:022
223999499323322,1cyclictest0-21swapper/200:06:022
223999499322321,1cyclictest0-21swapper/223:25:022
223999499322321,1cyclictest0-21swapper/223:20:022
223999499322321,1cyclictest0-21swapper/222:18:022
223999499322321,1cyclictest0-21swapper/221:29:022
223999499322320,1cyclictest0-21swapper/222:52:022
223999499322320,1cyclictest0-21swapper/200:36:012
223999499322320,1cyclictest0-21swapper/200:27:012
223999499321320,1cyclictest0-21swapper/200:17:022
223999499321319,1cyclictest0-21swapper/220:25:022
223999499320319,1cyclictest0-21swapper/221:18:022
223999499320318,1cyclictest0-21swapper/219:39:022
223999499319318,1cyclictest0-21swapper/223:56:022
223999499319318,1cyclictest0-21swapper/221:59:022
223999499319317,1cyclictest2418771-21kworker/2:022:41:012
223999499319317,1cyclictest0-21swapper/223:33:022
223999499319317,1cyclictest0-21swapper/200:32:012
223999499319317,1cyclictest0-21swapper/200:22:022
223999499318316,1cyclictest0-21swapper/221:30:022
223999499317316,1cyclictest0-21swapper/223:43:012
223999499317316,1cyclictest0-21swapper/223:35:012
223999499317316,1cyclictest0-21swapper/223:07:012
223999499317316,1cyclictest0-21swapper/220:00:022
223999499317316,1cyclictest0-21swapper/200:04:012
223999499316315,1cyclictest0-21swapper/223:12:012
223999499316315,1cyclictest0-21swapper/223:00:022
223999499316315,1cyclictest0-21swapper/223:00:012
223999499316315,1cyclictest0-21swapper/222:29:022
223999499316315,1cyclictest0-21swapper/222:11:012
223999499315314,1cyclictest0-21swapper/223:51:022
223999499315314,1cyclictest0-21swapper/222:02:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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