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2026-04-27 - 12:34
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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 Mon Apr 27, 2026 00:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39597999380379,1cyclictest593695-21kworker/2:323:26:022
39597999380379,1cyclictest444948-21kworker/2:122:37:022
39597999380379,1cyclictest444948-21kworker/2:121:49:022
39597999380378,2cyclictest444948-21kworker/2:121:23:032
39597999380377,2cyclictest444948-21kworker/2:121:51:032
39597999380377,2cyclictest444948-21kworker/2:121:51:022
395979993800,379cyclictest0-21swapper/223:45:032
395979993800,379cyclictest0-21swapper/222:00:022
39597999379377,1cyclictest444948-21kworker/2:121:32:022
39597999378377,1cyclictest675623-21kworker/2:000:38:032
39597999377376,1cyclictest593695-21kworker/2:323:05:022
39597999377376,1cyclictest0-21swapper/223:52:022
39597999377376,1cyclictest0-21swapper/223:23:022
39597999377376,1cyclictest0-21swapper/223:10:022
39597999377376,1cyclictest0-21swapper/222:49:022
39597999377376,1cyclictest0-21swapper/222:11:022
39597999377376,1cyclictest0-21swapper/200:26:022
39597999377375,2cyclictest593695-21kworker/2:323:39:032
39597999377375,1cyclictest444948-21kworker/2:121:16:022
39597999377375,1cyclictest0-21swapper/221:37:022
39597999377374,2cyclictest0-21swapper/220:45:032
39597999376375,1cyclictest444948-21kworker/2:121:44:022
39597999376375,1cyclictest444948-21kworker/2:121:10:022
39597999376375,1cyclictest0-21swapper/223:57:022
39597999376375,1cyclictest0-21swapper/223:41:032
39597999376375,1cyclictest0-21swapper/222:50:022
39597999376375,1cyclictest0-21swapper/220:40:022
39597999376375,1cyclictest0-21swapper/200:33:032
39597999376375,1cyclictest0-21swapper/200:14:022
39597999376374,1cyclictest444948-21kworker/2:121:28:022
39597999375374,1cyclictest675623-21kworker/2:000:01:022
39597999375374,1cyclictest644330-21kworker/2:320:25:022
39597999375374,1cyclictest644330-21kworker/2:320:25:022
39597999375374,1cyclictest644330-21kworker/2:320:01:022
39597999375374,1cyclictest644330-21kworker/2:319:55:022
39597999375374,1cyclictest644330-21kworker/2:319:23:022
39597999375374,1cyclictest0-21swapper/219:10:032
39597999375374,1cyclictest0-21swapper/200:23:022
39597999375374,1cyclictest0-21swapper/200:06:022
39597999375373,1cyclictest0-21swapper/221:04:022
39597999375373,1cyclictest0-21swapper/220:50:032
39597999374373,1cyclictest0-21swapper/223:32:032
39597999373372,1cyclictest0-21swapper/220:30:022
39597999372371,1cyclictest444948-21kworker/2:122:32:022
39597999372370,1cyclictest644330-21kworker/2:320:11:032
39597999371370,1cyclictest0-21swapper/220:21:022
39597999371370,1cyclictest0-21swapper/220:17:032
39597999371370,1cyclictest0-21swapper/219:26:022
39597999370369,1cyclictest644330-21kworker/2:319:52:022
39597999370369,1cyclictest644330-21kworker/2:319:16:022
39597999370369,1cyclictest0-21swapper/221:08:022
39597999370369,1cyclictest0-21swapper/219:36:022
39597999370369,1cyclictest0-21swapper/219:34:022
39596499369368,1cyclictest441935-21kworker/0:021:19:020
39596499369367,1cyclictest0-21swapper/022:45:020
39597999368367,1cyclictest644330-21kworker/2:319:43:032
39596499368367,1cyclictest614227-21kworker/0:100:13:020
39596499366365,1cyclictest614227-21kworker/0:123:16:020
39596499366364,1cyclictest614227-21kworker/0:123:46:020
39596499366364,1cyclictest0-21swapper/021:45:020
39596499365363,1cyclictest0-21swapper/023:27:020
39596499365363,1cyclictest0-21swapper/022:23:020
39596499364363,1cyclictest441935-21kworker/0:022:29:020
39596499364363,1cyclictest0-21swapper/019:15:030
39596499364362,1cyclictest614227-21kworker/0:123:14:030
39596499364362,1cyclictest614227-21kworker/0:100:35:020
39596499364362,1cyclictest441935-21kworker/0:021:25:030
39596499364362,1cyclictest0-21swapper/023:58:030
39596499364362,1cyclictest0-21swapper/022:13:030
39596499363362,1cyclictest656197-21kworker/0:119:31:020
39596499363362,1cyclictest441935-21kworker/0:022:52:020
39596499363362,1cyclictest0-21swapper/023:22:020
39596499363362,1cyclictest0-21swapper/022:06:020
39596499362361,1cyclictest656197-21kworker/0:120:00:020
39596499362361,1cyclictest614227-21kworker/0:100:09:020
39596499362361,1cyclictest0-21swapper/023:44:020
39596499362361,1cyclictest0-21swapper/021:40:020
39596499362360,1cyclictest614227-21kworker/0:123:33:020
39596499361360,1cyclictest441935-21kworker/0:023:06:020
39596499361360,1cyclictest441935-21kworker/0:022:40:030
39596499361360,1cyclictest0-21swapper/023:35:020
39596499361360,1cyclictest0-21swapper/022:39:020
39596499361360,1cyclictest0-21swapper/022:31:020
39596499361360,1cyclictest0-21swapper/000:15:020
39596499361359,1cyclictest0-21swapper/019:29:020
39596499360359,1cyclictest441935-21kworker/0:021:22:020
39596499360359,1cyclictest0-21swapper/022:59:020
39600499359358,1cyclictest0-21swapper/523:28:025
39596499359358,1cyclictest441935-21kworker/0:021:57:020
39596499359358,1cyclictest0-21swapper/019:40:020
39596499359357,1cyclictest614227-21kworker/0:123:50:030
39596499359357,1cyclictest441935-21kworker/0:022:16:030
39596499359357,1cyclictest441935-21kworker/0:022:01:020
39600499358357,1cyclictest429670-21kworker/5:121:53:035
39600499358357,1cyclictest429670-21kworker/5:121:53:025
39596499358357,1cyclictest0-21swapper/000:04:020
39596499358356,1cyclictest0-21swapper/020:10:020
39596499357356,1cyclictest656197-21kworker/0:119:46:030
39596499357356,1cyclictest656197-21kworker/0:119:20:030
39596499357356,1cyclictest0-21swapper/020:29:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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