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2026-03-20 - 14:16
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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 Fri Mar 20, 2026 00:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
345104799381379,1cyclictest3677429-21kworker/4:023:28:024
345104799381379,1cyclictest3518030-21kworker/4:121:15:024
345103499381379,1cyclictest3628372-21kworker/2:200:02:022
345103499381379,1cyclictest3523745-21kworker/2:322:06:022
345103499381379,1cyclictest3523745-21kworker/2:321:43:022
345103499381379,1cyclictest3523745-21kworker/2:321:14:032
345104799380379,1cyclictest3677429-21kworker/4:023:58:024
345104799380379,1cyclictest3518030-21kworker/4:123:03:024
345104799380379,1cyclictest3518030-21kworker/4:122:42:024
345104799380379,1cyclictest3518030-21kworker/4:122:24:024
345104799380378,1cyclictest3753959-21kworker/4:000:38:034
345104799380378,1cyclictest3627144-21kworker/4:220:20:024
345104799380378,1cyclictest3518030-21kworker/4:121:20:024
3451034993800,379cyclictest0-21swapper/223:32:022
3451034993800,379cyclictest0-21swapper/222:56:032
3451034993800,1cyclictest0-21swapper/222:10:022
345105499379378,1cyclictest3481926-21kworker/5:021:04:025
345104099379378,1cyclictest3571392-21kworker/3:123:06:023
345103499379378,1cyclictest3628372-21kworker/2:223:53:022
345103499379378,1cyclictest3628372-21kworker/2:223:16:022
345103499379378,1cyclictest3523745-21kworker/2:321:37:022
345103499379378,1cyclictest0-21swapper/220:50:022
345103499379377,1cyclictest3628372-21kworker/2:222:53:022
345104799378376,1cyclictest3627144-21kworker/4:220:46:024
345104799378376,1cyclictest3627144-21kworker/4:220:46:024
345103499378377,1cyclictest3628372-21kworker/2:222:44:022
345103499378377,1cyclictest3591254-21kworker/2:122:38:032
345103499378376,1cyclictest3760135-21kworker/2:219:30:032
345104799377376,1cyclictest3627144-21kworker/4:220:06:024
345104799377376,1cyclictest3518030-21kworker/4:121:58:024
345104799377375,1cyclictest3627144-21kworker/4:219:32:024
345104799377375,1cyclictest0-21swapper/419:56:024
345103499377376,1cyclictest3591254-21kworker/2:122:20:022
345103499377376,1cyclictest0-21swapper/220:40:022
345103499377376,1cyclictest0-21swapper/219:50:022
345104799376375,1cyclictest3627144-21kworker/4:220:31:024
345104799376374,1cyclictest0-21swapper/419:18:024
345103499376374,1cyclictest3760135-21kworker/2:219:36:032
345104799375374,1cyclictest3627144-21kworker/4:220:36:024
345104799375374,1cyclictest3627144-21kworker/4:219:14:024
345104099375372,2cyclictest3515018-21kworker/3:221:47:023
345103499375374,1cyclictest3760135-21kworker/2:220:26:022
345103499375374,1cyclictest3760135-21kworker/2:219:26:022
345103499375373,1cyclictest3760135-21kworker/2:220:18:022
345104799374373,1cyclictest3627144-21kworker/4:220:58:024
345104799374372,1cyclictest3627144-21kworker/4:219:24:034
345104799374372,1cyclictest3627144-21kworker/4:219:24:024
345104099374372,1cyclictest3571392-21kworker/3:123:33:033
345103499374373,1cyclictest3760135-21kworker/2:221:01:022
345104799373372,1cyclictest3627144-21kworker/4:219:27:034
345103499373372,1cyclictest3760135-21kworker/2:220:08:022
345103499372371,1cyclictest0-21swapper/219:22:022
345103499372371,1cyclictest0-21swapper/219:22:022
345104099371370,1cyclictest3453983-21kworker/3:019:35:023
345104099371369,1cyclictest0-21swapper/323:51:023
345104099369366,2cyclictest3453983-21kworker/3:019:41:033
345104099368367,1cyclictest0-21swapper/321:11:023
345104099366365,1cyclictest3571392-21kworker/3:100:37:023
345104099366365,1cyclictest0-21swapper/322:07:023
345104099365363,2cyclictest3515018-21kworker/3:221:22:023
345104099364363,1cyclictest0-21swapper/320:17:033
345104099362361,1cyclictest3571392-21kworker/3:100:00:023
345104099362361,1cyclictest0-21swapper/320:47:023
345104099362361,1cyclictest0-21swapper/320:47:023
345104099362360,1cyclictest0-21swapper/320:11:033
345104099362360,1cyclictest0-21swapper/300:34:023
345104099361360,1cyclictest3571392-21kworker/3:123:14:023
345104099361360,1cyclictest0-21swapper/320:29:033
345104099361360,1cyclictest0-21swapper/320:03:023
345104099360358,1cyclictest0-21swapper/321:42:023
345104099359358,1cyclictest3571392-21kworker/3:123:29:033
345104099359358,1cyclictest0-21swapper/321:53:023
345104099359358,1cyclictest0-21swapper/321:25:033
345104099359357,1cyclictest0-21swapper/323:18:023
345104099359356,2cyclictest3571392-21kworker/3:100:10:023
345104099358357,1cyclictest0-21swapper/323:59:023
345106299357353,1cyclictest3528175-21kworker/6:000:04:026
345104099357355,1cyclictest3571392-21kworker/3:122:40:033
345104099356354,1cyclictest0-21swapper/323:04:023
345104099356354,1cyclictest0-21swapper/322:52:023
345104099356354,1cyclictest0-21swapper/322:48:023
345104099355354,1cyclictest3571392-21kworker/3:123:21:023
345104099355354,1cyclictest3571392-21kworker/3:122:37:023
345104099355354,1cyclictest0-21swapper/323:36:023
345104099355353,1cyclictest3571392-21kworker/3:122:28:023
345104099354353,1cyclictest3571392-21kworker/3:122:13:033
345104099354353,1cyclictest0-21swapper/300:09:023
345106999353352,1cyclictest3425005-21kworker/7:020:25:027
345104099353352,1cyclictest3453983-21kworker/3:020:05:023
345104099353352,1cyclictest0-21swapper/322:58:023
345104099353351,1cyclictest3571392-21kworker/3:123:44:023
345104099353351,1cyclictest3571392-21kworker/3:123:44:023
345104099353351,1cyclictest0-21swapper/321:36:023
345104099352351,1cyclictest3453983-21kworker/3:020:35:023
345104099352351,1cyclictest0-21swapper/320:22:033
345104099352350,1cyclictest3453983-21kworker/3:019:25:023
345104099351349,1cyclictest0-21swapper/320:44:023
345104099350349,1cyclictest3453983-21kworker/3:019:48:023
345104099350348,1cyclictest0-21swapper/319:20:033
345104099350348,1cyclictest0-21swapper/319:20:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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