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2026-03-26 - 15:34
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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 Mar 26, 2026 00:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141233999373372,1cyclictest1571425-21kworker/0:222:39:010
141233999362361,1cyclictest1571425-21kworker/0:223:21:010
141233999362361,1cyclictest0-21swapper/023:44:020
141233999360357,2cyclictest0-21swapper/022:08:020
141233999359357,1cyclictest1571425-21kworker/0:223:59:020
141233999359357,1cyclictest1571425-21kworker/0:200:25:010
141233999359357,1cyclictest1571425-21kworker/0:200:25:010
141233999358357,1cyclictest1571425-21kworker/0:223:26:010
141233999358357,1cyclictest0-21swapper/023:36:020
141233999358357,1cyclictest0-21swapper/021:12:020
141233999358356,1cyclictest0-21swapper/021:32:020
141233999357356,1cyclictest0-21swapper/021:28:010
141233999357356,1cyclictest0-21swapper/000:10:020
141233999357355,1cyclictest0-21swapper/021:56:020
141233999357355,1cyclictest0-21swapper/000:00:010
141233999356355,1cyclictest1571425-21kworker/0:200:07:010
141233999356355,1cyclictest0-21swapper/023:53:020
141233999356355,1cyclictest0-21swapper/023:32:020
141233999356355,1cyclictest0-21swapper/023:08:010
141233999356355,1cyclictest0-21swapper/022:47:020
141233999356355,1cyclictest0-21swapper/021:46:010
141233999356355,1cyclictest0-21swapper/000:24:010
141233999356354,1cyclictest1415371-21kworker/0:022:15:020
141233999356354,1cyclictest0-21swapper/022:43:020
141233999355354,1cyclictest1415371-21kworker/0:019:29:020
141233999355354,1cyclictest0-21swapper/023:14:010
141233999355353,1cyclictest1571425-21kworker/0:222:29:020
141233999354353,1cyclictest0-21swapper/021:44:020
141233999354352,1cyclictest1571425-21kworker/0:222:58:020
141233999354352,1cyclictest1571425-21kworker/0:222:58:020
141233999353352,1cyclictest0-21swapper/021:35:020
141233999353352,1cyclictest0-21swapper/021:35:020
141233999353351,1cyclictest1571425-21kworker/0:200:36:010
141233999353351,1cyclictest0-21swapper/023:01:020
141233999352351,1cyclictest0-21swapper/022:10:020
141233999352351,1cyclictest0-21swapper/000:30:010
141233999352350,1cyclictest0-21swapper/022:53:020
141233999351350,1cyclictest1571425-21kworker/0:223:15:010
141233999351350,1cyclictest1415371-21kworker/0:019:50:010
141233999351350,1cyclictest0-21swapper/021:01:010
141233999351349,1cyclictest0-21swapper/020:30:020
141233999350349,1cyclictest1415371-21kworker/0:021:52:020
141233999350349,1cyclictest1415371-21kworker/0:021:18:010
141233999350349,1cyclictest1415371-21kworker/0:020:05:010
141233999350349,1cyclictest1415371-21kworker/0:019:31:020
141233999350349,1cyclictest0-21swapper/022:00:020
141233999350349,1cyclictest0-21swapper/020:55:010
141233999349348,1cyclictest1571425-21kworker/0:222:32:020
141233999349348,1cyclictest0-21swapper/020:15:020
141233999349348,1cyclictest0-21swapper/019:55:010
141233999348347,1cyclictest1415371-21kworker/0:020:20:020
141233999348347,1cyclictest0-21swapper/021:05:020
141233999348347,1cyclictest0-21swapper/020:25:020
141233999347346,1cyclictest1415371-21kworker/0:020:46:020
141233999347346,1cyclictest0-21swapper/019:36:020
141233999347345,1cyclictest1415371-21kworker/0:020:03:010
141238099346345,1cyclictest0-21swapper/522:34:015
141238099346345,1cyclictest0-21swapper/521:29:025
141233999346345,1cyclictest1415371-21kworker/0:020:52:010
141233999346345,1cyclictest1415371-21kworker/0:019:23:020
141233999346345,1cyclictest0-21swapper/020:42:020
141233999346345,1cyclictest0-21swapper/019:13:010
141233999346344,1cyclictest1415371-21kworker/0:020:13:020
141233999346344,1cyclictest1415371-21kworker/0:020:13:020
141238099345344,1cyclictest0-21swapper/522:02:025
141238099345343,1cyclictest1434247-21kworker/5:022:09:025
141238099345343,1cyclictest0-21swapper/521:59:025
141238099344343,1cyclictest1434247-21kworker/5:021:21:025
141238099344343,1cyclictest0-21swapper/522:35:025
141238099344343,1cyclictest0-21swapper/521:10:015
141238099344343,1cyclictest0-21swapper/500:23:015
141238099344343,1cyclictest0-21swapper/500:17:015
141238099344343,1cyclictest0-21swapper/500:05:025
141238099344342,1cyclictest1434247-21kworker/5:023:00:015
141238099344342,1cyclictest1434247-21kworker/5:022:24:025
141238099344342,1cyclictest0-21swapper/522:17:015
141238099343342,1cyclictest1434247-21kworker/5:021:53:025
141238099343342,1cyclictest1434247-21kworker/5:021:37:025
141238099343342,1cyclictest1434247-21kworker/5:021:37:025
141238099343342,1cyclictest0-21swapper/523:22:015
141238099343342,1cyclictest0-21swapper/522:45:025
141238099343342,1cyclictest0-21swapper/522:12:015
141238099343342,1cyclictest0-21swapper/521:41:015
141233999343342,1cyclictest1415371-21kworker/0:019:49:020
141238099342341,1cyclictest1653615-21kworker/5:123:41:025
141238099342341,1cyclictest0-21swapper/521:33:025
141238099342341,1cyclictest0-21swapper/520:01:025
141238099342341,1cyclictest0-21swapper/519:11:025
141238099342341,1cyclictest0-21swapper/500:01:015
141238099342340,1cyclictest0-21swapper/523:50:015
141238099342340,1cyclictest0-21swapper/522:59:025
141238099342340,1cyclictest0-21swapper/522:59:015
141238099342340,1cyclictest0-21swapper/522:41:025
141238099341340,1cyclictest0-21swapper/523:10:015
141238099341339,1cyclictest1712392-21kworker/5:119:40:015
141238099340339,1cyclictest1653615-21kworker/5:123:49:025
141238099340338,1cyclictest1653615-21kworker/5:123:30:025
141238099340338,1cyclictest1653615-21kworker/5:100:33:025
141238099339338,1cyclictest0-21swapper/520:51:015
141238099339338,1cyclictest0-21swapper/519:32:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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