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2026-03-20 - 02:33
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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 highest latencies:
System rack6slot5.osadl.org (updated Fri Mar 20, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3235499108615588,5223cyclictest26121-21kworker/0:120:21:450
3235499101735376,4792cyclictest19226-21kworker/0:219:39:430
323549996495109,4529cyclictest26121-21kworker/0:120:18:000
323549994455013,4427cyclictest19226-21kworker/0:219:19:260
323549993294669,4649cyclictest27964-21kworker/0:222:53:070
323549992724599,4659cyclictest14786-21kworker/0:221:34:160
323549990854505,4565cyclictest12725-21kworker/0:000:21:210
323549990084610,4387cyclictest4186-21kworker/0:200:04:290
323549989274665,4251cyclictest19226-21kworker/0:219:48:420
323549988814546,4330cyclictest26121-21kworker/0:120:59:050
323549988474528,4315cyclictest27964-21kworker/0:223:05:380
323549986534280,4322cyclictest26121-21kworker/0:120:37:050
323549985814253,4286cyclictest14786-21kworker/0:221:13:450
323549985574447,4059cyclictest19226-21kworker/0:220:01:270
323549982584382,3824cyclictest27964-21kworker/0:223:16:280
323549980784270,3765cyclictest25131-21kworker/0:022:37:100
323549980654205,3809cyclictest27964-21kworker/0:223:22:550
323549978764088,3737cyclictest24957-21kworker/0:023:41:590
323549978014272,3478cyclictest26121-21kworker/0:121:02:530
323549976544113,3501cyclictest5694-21kworker/0:222:16:540
323549976194062,3505cyclictest19226-21kworker/0:220:11:260
323549975974078,3495cyclictest4186-21kworker/0:200:13:370
323549975813940,3581cyclictest26121-21kworker/0:120:52:270
323549975293812,3665cyclictest19226-21kworker/0:219:21:190
323549974713986,3434cyclictest26121-21kworker/0:120:42:180
323549973874065,3271cyclictest19226-21kworker/0:219:28:540
323549973403874,3461cyclictest19267-21kworker/0:123:36:540
323549973213856,3450cyclictest27964-21kworker/0:222:46:230
323549971963841,3295cyclictest5694-21kworker/0:222:12:590
323549971023816,3271cyclictest27964-21kworker/0:222:43:560
323549970913782,3249cyclictest26121-21kworker/0:121:08:050
323549970763503,3513cyclictest19226-21kworker/0:220:06:200
323549970263685,3289cyclictest28312-21kworker/0:121:45:550
323549969833679,3293cyclictest27964-21kworker/0:223:11:280
323549969723732,3197cyclictest14786-21kworker/0:221:19:450
323549969513680,3266cyclictest18877-21kworker/0:100:34:470
323549968923603,3228cyclictest26121-21kworker/0:120:26:510
323549968883805,3069cyclictest19226-21kworker/0:219:51:510
323549968613737,3113cyclictest26121-21kworker/0:120:48:440
323549967963638,3098cyclictest5694-21kworker/0:222:06:470
323549967093562,3137cyclictest14786-21kworker/0:221:27:110
323549966923617,3024cyclictest27964-21kworker/0:222:57:460
323549966603494,3107cyclictest19267-21kworker/0:123:29:090
323549966313517,3103cyclictest14786-21kworker/0:221:21:070
323549965823592,2979cyclictest19226-21kworker/0:219:30:470
323549965493521,2984cyclictest24957-21kworker/0:023:56:280
323549965373569,2957cyclictest19226-21kworker/0:219:58:040
323549965193513,2955cyclictest22363-21kworker/0:000:39:160
323549965193510,2958cyclictest12725-21kworker/0:000:26:440
323549964863545,2930cyclictest5694-21kworker/0:222:31:570
323549964823397,3041cyclictest27964-21kworker/0:223:04:160
323549964793307,3121cyclictest5694-21kworker/0:221:59:000
323549964683395,3022cyclictest14786-21kworker/0:221:39:180
323549964113396,3000cyclictest5694-21kworker/0:222:25:050
323549963493362,2971cyclictest19226-21kworker/0:219:14:280
323549963423336,2954cyclictest28312-21kworker/0:121:52:140
323549962893349,2935cyclictest19226-21kworker/0:219:44:080
323549962783314,2913cyclictest5694-21kworker/0:222:22:430
323549962643212,3037cyclictest5694-21kworker/0:222:01:410
323549962533329,2913cyclictest19267-21kworker/0:123:30:440
323549962463289,2905cyclictest4186-21kworker/0:200:09:220
323549960633238,2814cyclictest24957-21kworker/0:023:51:180
323549959743287,2676cyclictest28312-21kworker/0:121:40:540
323549959493223,2675cyclictest12725-21kworker/0:000:18:530
323549955772958,2568cyclictest24957-21kworker/0:023:49:420
323549951582791,2355cyclictest26121-21kworker/0:120:33:210
318812847141,204sleep00-21swapper19:06:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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