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2026-05-23 - 16:22
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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 23, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
175475799366364,1cyclictest1788670-21kworker/2:209:15:022
175475799357355,1cyclictest0-21swapper/209:01:022
175475799352351,1cyclictest1463083-21kworker/2:007:35:022
175475799352351,1cyclictest0-21swapper/209:05:022
175475799352350,1cyclictest0-21swapper/210:16:022
175475799351350,1cyclictest1788670-21kworker/2:212:20:022
175475799351350,1cyclictest1788670-21kworker/2:212:05:022
175475799351350,1cyclictest1788670-21kworker/2:208:10:012
175475799351350,1cyclictest0-21swapper/212:28:022
175475799351350,1cyclictest0-21swapper/211:35:022
175475799350349,1cyclictest1902981-21kworker/2:011:17:022
175475799350349,1cyclictest1788670-21kworker/2:209:55:022
175475799350349,1cyclictest1788670-21kworker/2:208:35:022
175475799350349,1cyclictest1788670-21kworker/2:208:21:022
175475799350349,1cyclictest0-21swapper/210:40:012
175475799350349,1cyclictest0-21swapper/209:20:022
175475799350349,1cyclictest0-21swapper/208:30:022
175475799350349,1cyclictest0-21swapper/208:00:022
175475799350348,1cyclictest1788670-21kworker/2:209:26:022
175475799350348,1cyclictest1788670-21kworker/2:209:26:022
175475799350348,1cyclictest0-21swapper/211:09:012
175475799349348,1cyclictest1788670-21kworker/2:208:25:022
175475799349348,1cyclictest0-21swapper/211:49:022
175475799349348,1cyclictest0-21swapper/211:30:022
175475799349348,1cyclictest0-21swapper/211:10:012
175475799349348,1cyclictest0-21swapper/210:09:012
175475799349348,1cyclictest0-21swapper/208:50:022
175475799349348,1cyclictest0-21swapper/207:50:022
175475799349347,1cyclictest0-21swapper/209:45:012
175475799348347,1cyclictest1788670-21kworker/2:212:16:022
175475799348347,1cyclictest0-21swapper/210:50:012
175475799348346,1cyclictest0-21swapper/210:59:022
175475799348346,1cyclictest0-21swapper/210:59:012
175306023480,5sleep010-21ksoftirqd/007:05:160
175475799347346,1cyclictest1463083-21kworker/2:008:05:022
175475799347346,1cyclictest1463083-21kworker/2:007:44:022
175475799347346,1cyclictest0-21swapper/210:38:012
175475799347345,1cyclictest0-21swapper/207:16:022
175475799346345,1cyclictest1463083-21kworker/2:007:31:022
175475799346345,1cyclictest0-21swapper/212:32:022
175475799346345,1cyclictest0-21swapper/212:32:012
175475799346345,1cyclictest0-21swapper/209:33:022
175475799346345,1cyclictest0-21swapper/209:12:022
175475799346345,1cyclictest0-21swapper/207:24:022
175475799345344,1cyclictest1788670-21kworker/2:208:42:012
175475799345344,1cyclictest0-21swapper/212:02:022
175475799345344,1cyclictest0-21swapper/211:27:022
175475799344343,1cyclictest1788670-21kworker/2:208:46:022
175475799344343,1cyclictest0-21swapper/211:03:012
175373823440,5sleep763-21ksoftirqd/707:05:247
175478599340338,1cyclictest0-21swapper/609:15:026
175477799337336,1cyclictest0-21swapper/510:08:025
175478599329327,1cyclictest2033929-21kworker/6:309:01:026
175478599326324,1cyclictest2033929-21kworker/6:309:05:026
175478599325324,1cyclictest0-21swapper/612:05:016
175478599325324,1cyclictest0-21swapper/607:35:026
175478599324323,1cyclictest2033929-21kworker/6:308:30:026
175478599324323,1cyclictest1930045-21kworker/6:212:28:016
175478599324323,1cyclictest1863861-21kworker/6:111:35:016
175478599324323,1cyclictest1863861-21kworker/6:110:16:016
175478599324323,1cyclictest0-21swapper/612:20:016
175478599324323,1cyclictest0-21swapper/611:17:026
175478599324323,1cyclictest0-21swapper/608:10:026
175478599324322,1cyclictest1863861-21kworker/6:111:30:016
175478599323322,1cyclictest2033929-21kworker/6:309:20:016
175478599323322,1cyclictest2033929-21kworker/6:308:00:026
175478599323322,1cyclictest1863861-21kworker/6:110:40:026
175478599323322,1cyclictest0-21swapper/609:55:016
175478599323322,1cyclictest0-21swapper/608:35:026
175478599323322,1cyclictest0-21swapper/608:25:026
175478599323322,1cyclictest0-21swapper/608:21:026
175478599323321,1cyclictest1863861-21kworker/6:111:49:026
175478599323321,1cyclictest1848824-21kworker/6:010:09:016
175478599323321,1cyclictest1848824-21kworker/6:009:49:026
175478599322321,1cyclictest2033929-21kworker/6:309:25:026
175478599322321,1cyclictest2033929-21kworker/6:309:25:026
175478599322321,1cyclictest2033929-21kworker/6:308:50:026
175478599322321,1cyclictest2033929-21kworker/6:307:50:026
175478599322321,1cyclictest1863861-21kworker/6:111:10:026
175478599322321,1cyclictest1863861-21kworker/6:111:09:026
175478599322321,1cyclictest0-21swapper/612:16:016
175478599322320,1cyclictest0-21swapper/608:05:026
175478599321320,1cyclictest1863861-21kworker/6:110:50:026
175478599321320,1cyclictest0-21swapper/607:44:026
175478599320319,1cyclictest1863861-21kworker/6:110:59:026
175478599320319,1cyclictest1863861-21kworker/6:110:59:026
175478599320319,1cyclictest1863861-21kworker/6:110:38:026
175478599320319,1cyclictest0-21swapper/607:31:026
175478599320318,1cyclictest2033929-21kworker/6:307:24:026
175478599320318,1cyclictest2033929-21kworker/6:307:16:026
175478599320318,1cyclictest1930045-21kworker/6:212:02:016
175477099320319,1cyclictest1728719-21kworker/4:211:45:014
175478599319318,1cyclictest2033929-21kworker/6:309:33:016
175478599319318,1cyclictest2033929-21kworker/6:309:12:026
175478599319318,1cyclictest1930045-21kworker/6:212:32:026
175478599319318,1cyclictest1930045-21kworker/6:212:32:026
175478599319317,1cyclictest0-21swapper/608:42:026
175478599318317,1cyclictest1863861-21kworker/6:111:27:026
175478599318317,1cyclictest0-21swapper/608:46:026
175478599318316,1cyclictest1863861-21kworker/6:111:03:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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