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2026-05-08 - 07:51
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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 highest latencies:
System rack6slot5.osadl.org (updated Fri May 08, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
665999112225820,5391cyclictest18823-21kworker/0:122:43:560
665999109275580,5337cyclictest19366-21kworker/0:221:21:200
665999104125588,4773cyclictest3131-21kworker/0:221:39:160
665999102195239,4968cyclictest18805-21kworker/0:219:27:410
665999102105230,4969cyclictest7937-21kworker/0:223:59:580
66599995835110,4469cyclictest18805-21kworker/0:219:52:290
66599993474699,4644cyclictest18823-21kworker/0:122:25:310
66599992944783,4507cyclictest18805-21kworker/0:219:20:030
66599991044560,4528cyclictest25251-21kworker/0:119:59:150
66599990504659,4380cyclictest18805-21kworker/0:219:35:360
66599989544611,4332cyclictest18805-21kworker/0:219:16:350
66599989544610,4333cyclictest25251-21kworker/0:120:21:300
66599989524658,4234cyclictest26344-21kworker/0:000:30:250
66599989244591,4328cyclictest6353-21kworker/0:020:42:310
66599989104589,4310cyclictest25251-21kworker/0:120:25:410
66599988694549,4309cyclictest18823-21kworker/0:122:30:120
66599988664558,4297cyclictest19366-21kworker/0:221:12:040
66599988064529,4266cyclictest18823-21kworker/0:122:10:410
66599984104193,4165cyclictest6353-21kworker/0:020:53:160
66599983694367,3952cyclictest7937-21kworker/0:200:10:230
66599983374355,3929cyclictest29926-21kworker/0:121:29:080
66599982644112,4101cyclictest25251-21kworker/0:120:03:190
66599981664274,3840cyclictest18823-21kworker/0:122:55:230
66599981144240,3823cyclictest25251-21kworker/0:120:11:360
66599980984336,3711cyclictest6353-21kworker/0:020:57:390
66599979314261,3656cyclictest18823-21kworker/0:122:19:040
66599979264154,3721cyclictest7937-21kworker/0:200:06:280
66599976664016,3590cyclictest31850-21kworker/0:223:34:420
66599975854182,3351cyclictest6353-21kworker/0:021:01:520
66599975834178,3354cyclictest6353-21kworker/0:020:36:310
66599975744096,3439cyclictest18805-21kworker/0:219:14:260
66599975154066,3434cyclictest31850-21kworker/0:223:38:390
66599974213795,3567cyclictest5557-21kworker/0:123:50:290
66599973363754,3531cyclictest25251-21kworker/0:120:16:010
66599973283854,3422cyclictest18823-21kworker/0:122:37:520
66599973053880,3420cyclictest18823-21kworker/0:122:20:400
66599972573816,3389cyclictest18823-21kworker/0:123:07:300
66599972523814,3387cyclictest10275-21kworker/0:021:54:050
66599971233948,3124cyclictest19366-21kworker/0:221:19:550
66599970623615,3395cyclictest26344-21kworker/0:000:37:570
66599970333744,3284cyclictest21127-21kworker/0:100:28:120
66599969993591,3357cyclictest18823-21kworker/0:122:09:180
66599969333747,3135cyclictest18805-21kworker/0:219:46:450
66599968993333,3551cyclictest18805-21kworker/0:219:33:430
66599967953528,3253cyclictest18823-21kworker/0:122:46:450
66599967863397,3375cyclictest7937-21kworker/0:200:02:220
66599967633520,3228cyclictest6353-21kworker/0:020:49:060
66599967553677,3063cyclictest31850-21kworker/0:223:42:290
66599967343601,3122cyclictest25251-21kworker/0:120:09:100
66599966903330,3330cyclictest29926-21kworker/0:121:34:540
66599966463550,3085cyclictest18823-21kworker/0:123:04:530
66599966313504,3076cyclictest19649-21kworker/0:023:15:250
66599965673500,3063cyclictest5557-21kworker/0:123:48:100
66599965673474,3050cyclictest18805-21kworker/0:219:42:150
66599964683321,3096cyclictest19649-21kworker/0:023:11:270
66599964243442,2972cyclictest19649-21kworker/0:023:28:350
66599963903420,2959cyclictest13241-21kworker/0:122:00:380
66599963423353,2938cyclictest19366-21kworker/0:221:06:110
66599963093300,2984cyclictest6272-21kworker/0:121:49:110
66599962213199,2979cyclictest19649-21kworker/0:023:23:020
66599962023401,2786cyclictest3131-21kworker/0:221:44:270
66599960853266,2808cyclictest7937-21kworker/0:200:16:140
66599959883204,2773cyclictest18823-21kworker/0:122:52:430
66599959703266,2689cyclictest21127-21kworker/0:100:22:290
66599958843121,2704cyclictest13241-21kworker/0:121:59:030
66599948862447,2396cyclictest6353-21kworker/0:020:32:170
64372783186,204sleep00-21swapper19:08:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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