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2025-07-12 - 12:25
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Sat Jul 12, 2025 00:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
115507799381380,1cyclictest1164887-21kworker/6:020:00:036
1155062993810,380cyclictest0-21swapper/422:02:024
1155062993810,380cyclictest0-21swapper/421:08:014
115507799380379,1cyclictest1164887-21kworker/6:019:57:026
115507799380379,1cyclictest1148893-21kworker/6:220:53:026
115507799380379,1cyclictest1148893-21kworker/6:219:30:036
115507799380379,1cyclictest1148893-21kworker/6:219:16:026
115507799380379,1cyclictest1148893-21kworker/6:219:12:026
115506299380378,1cyclictest1456460-21kworker/4:020:51:024
1155062993800,1cyclictest0-21swapper/421:11:024
115504799380379,1cyclictest1145890-21kworker/2:021:09:022
115504799380379,1cyclictest1145890-21kworker/2:019:20:022
115504799380378,1cyclictest1145890-21kworker/2:019:35:022
115507799379378,1cyclictest1148893-21kworker/6:220:11:026
115507799379378,1cyclictest1148893-21kworker/6:220:11:026
115507799379378,1cyclictest1148893-21kworker/6:219:37:036
115506299379378,1cyclictest1456460-21kworker/4:020:17:024
115504799379378,1cyclictest1145890-21kworker/2:020:48:022
115504799379378,1cyclictest1145890-21kworker/2:020:34:022
115506299378377,1cyclictest1456460-21kworker/4:019:24:024
115504799378377,1cyclictest1145890-21kworker/2:021:03:022
115504799378377,1cyclictest1145890-21kworker/2:020:59:022
115504799378377,1cyclictest1145890-21kworker/2:019:50:022
115504799378376,1cyclictest1145890-21kworker/2:019:17:032
115507799377376,1cyclictest1148893-21kworker/6:219:43:026
115504799377376,1cyclictest1185956-21kworker/2:220:04:022
115504799377376,1cyclictest1145890-21kworker/2:020:41:032
115504799377376,1cyclictest0-21swapper/219:43:022
115502999328326,1cyclictest1228025-21diskmemload22:33:020
115502999326324,1cyclictest0-21swapper/023:57:020
115502999326324,1cyclictest0-21swapper/021:40:020
115502999323322,1cyclictest1325589-21kworker/0:223:01:020
115502999323321,1cyclictest1325589-21kworker/0:223:13:020
115502999321320,1cyclictest0-21swapper/000:03:020
115502999320319,1cyclictest1197689-21kworker/0:120:23:030
115502999320318,1cyclictest1197689-21kworker/0:121:05:020
115502999320318,1cyclictest0-21swapper/020:40:020
115502999318316,1cyclictest1325589-21kworker/0:222:55:020
115502999318316,1cyclictest0-21swapper/000:30:010
115502999318316,1cyclictest0-21swapper/000:30:010
115502999317315,1cyclictest0-21swapper/023:46:020
115502999316315,1cyclictest0-21swapper/022:08:010
115502999316314,1cyclictest1197689-21kworker/0:121:35:030
115502999316314,1cyclictest1197689-21kworker/0:121:35:020
115502999315314,1cyclictest0-21swapper/000:06:020
115502999315313,1cyclictest1197689-21kworker/0:122:10:020
115502999315313,1cyclictest1197689-21kworker/0:121:52:020
115502999315313,1cyclictest0-21swapper/000:38:020
115502999314313,1cyclictest0-21swapper/022:16:020
115502999314312,1cyclictest1197689-21kworker/0:122:21:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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