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2026-05-18 - 11:33
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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 792 highest latencies:
System rack6slot5.osadl.org (updated Mon May 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1810999108315622,5158cyclictest28156-21kworker/0:223:06:350
181099999665209,4744cyclictest5199-21kworker/0:221:21:290
181099999345309,4614cyclictest30800-21kworker/0:019:27:470
181099998035244,4548cyclictest30800-21kworker/0:019:39:590
181099996985087,4600cyclictest30800-21kworker/0:020:13:440
181099993084700,4597cyclictest28156-21kworker/0:223:25:450
181099992234656,4556cyclictest28156-21kworker/0:223:12:160
181099992004654,4536cyclictest9284-21kworker/0:222:33:200
181099991954755,4429cyclictest30800-21kworker/0:019:57:080
181099991604634,4515cyclictest12326-21kworker/0:023:03:260
181099990924600,4482cyclictest30800-21kworker/0:020:30:160
181099990864696,4379cyclictest12326-21kworker/0:022:50:050
181099990664687,4368cyclictest30800-21kworker/0:020:01:060
181099989824646,4325cyclictest30800-21kworker/0:019:31:380
181099989194618,4296cyclictest30800-21kworker/0:020:55:580
181099988914599,4281cyclictest12326-21kworker/0:022:58:550
181099988884491,4386cyclictest5199-21kworker/0:221:26:030
181099988764582,4283cyclictest5199-21kworker/0:221:55:170
181099987894543,4235cyclictest12085-21kworker/0:023:56:050
181099987644546,4215cyclictest30800-21kworker/0:019:13:190
181099987264400,4315cyclictest7606-21kworker/0:123:34:400
181099987244398,4315cyclictest5886-21kworker/0:022:28:240
181099986714591,4075cyclictest5199-21kworker/0:221:35:520
181099986224284,4324cyclictest30800-21kworker/0:020:20:420
181099985594430,4118cyclictest5199-21kworker/0:221:30:530
181099985564331,4214cyclictest5199-21kworker/0:221:45:430
181099985464524,4011cyclictest30800-21kworker/0:019:16:400
181099983154412,3892cyclictest30800-21kworker/0:019:48:210
181099981964292,3844cyclictest29351-21kworker/0:021:07:120
181099981854351,3829cyclictest5199-21kworker/0:222:04:220
181099981644307,3842cyclictest12326-21kworker/0:022:44:320
181099981094362,3696cyclictest30800-21kworker/0:020:37:140
181099981074272,3821cyclictest29351-21kworker/0:021:20:040
181099978184113,3662cyclictest4488-21kworker/0:100:34:000
181099977874118,3655cyclictest30800-21kworker/0:019:51:030
181099977853899,3843cyclictest30800-21kworker/0:019:42:320
181099976904175,3472cyclictest4488-21kworker/0:100:29:530
181099976723879,3781cyclictest12085-21kworker/0:023:38:530
181099975663981,3570cyclictest30800-21kworker/0:020:16:270
181099975634032,3520cyclictest30800-21kworker/0:020:05:160
181099975383997,3498cyclictest30800-21kworker/0:020:46:110
181099972323838,3379cyclictest12326-21kworker/0:022:48:380
181099972263927,3247cyclictest12085-21kworker/0:023:50:110
181099972053822,3368cyclictest28156-21kworker/0:223:24:220
181099971713839,3320cyclictest5199-21kworker/0:221:40:380
181099971503831,3308cyclictest29351-21kworker/0:021:12:470
181099971453827,3307cyclictest5199-21kworker/0:221:50:350
181099971353823,3301cyclictest12085-21kworker/0:000:08:520
181099971343713,3410cyclictest12085-21kworker/0:000:00:210
181099971313763,3353cyclictest30800-21kworker/0:019:21:540
181099971123557,3495cyclictest30800-21kworker/0:020:54:320
181099971093679,3379cyclictest30574-21kworker/0:200:16:350
181099970623886,3165cyclictest32564-21kworker/0:222:23:280
181099969693517,3409cyclictest12085-21kworker/0:023:41:320
181099968393673,3155cyclictest30800-21kworker/0:020:26:110
181099968333661,3160cyclictest12085-21kworker/0:023:47:090
181099967473582,3115cyclictest28156-21kworker/0:223:19:450
181099966493578,3060cyclictest27409-21kworker/0:221:00:080
181099965733398,3124cyclictest30574-21kworker/0:200:21:040
181099965543428,3115cyclictest32564-21kworker/0:222:18:340
181099965433396,3133cyclictest29976-21kworker/0:122:12:230
181099964723483,2978cyclictest29976-21kworker/0:122:09:090
181099964663488,2966cyclictest30574-21kworker/0:200:13:320
181099964513384,3053cyclictest4488-21kworker/0:100:37:520
181099964403426,2972cyclictest12326-21kworker/0:022:36:170
181099962533334,2868cyclictest30800-21kworker/0:020:41:380
179462834182,203sleep00-21swapper19:09:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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