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2026-06-03 - 15:58
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack4slot2.osadl.org (updated Wed Jun 03, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502850,0irq/46-4a10000012533-1kworker/u3:107:00:300
13544999358,0cyclictest0-21swapper11:59:190
13544999257,0cyclictest0-21swapper09:19:300
13544999257,0cyclictest0-21swapper08:49:080
307629013,0sleep03108-21basename09:43:450
13544999058,0cyclictest0-21swapper10:43:490
13544999058,0cyclictest0-21swapper07:24:260
13544999057,0cyclictest0-21swapper11:04:370
13544999057,0cyclictest0-21swapper10:18:470
13544999057,0cyclictest0-21swapper07:54:120
13544999056,0cyclictest0-21swapper10:59:200
7350890,0irq/45-4a1000004421-1kworker/u3:110:05:270
13544998958,0cyclictest0-21swapper09:54:270
13544998957,0cyclictest0-21swapper09:39:270
13544998957,0cyclictest0-21swapper08:39:080
13544998956,0cyclictest0-21swapper12:14:320
13544998956,0cyclictest0-21swapper07:34:100
2226628815,0sleep022267-21fw_forwarded_lo07:29:080
13544998855,0cyclictest0-21swapper11:44:370
7350870,0irq/45-4a10000016745-21aten_r4power_en10:23:450
7350870,0irq/45-4a10000015439-1kworker/u3:008:47:420
13544998765,0cyclictest0-21swapper12:24:350
13544998757,0cyclictest0-21swapper11:49:130
13544998756,0cyclictest0-21swapper10:29:280
13544998756,0cyclictest0-21swapper08:04:200
13544998755,0cyclictest0-21swapper09:03:590
13544998755,0cyclictest0-21swapper07:48:580
13544998755,0cyclictest0-21swapper07:19:100
13544998754,0cyclictest0-21swapper12:04:310
7350860,0irq/45-4a100000460-21snmpd10:34:130
13544998656,0cyclictest0-21swapper08:14:220
13544998654,0cyclictest0-21swapper07:14:330
13544998652,0cyclictest0-21swapper12:09:250
13544998651,0cyclictest0-21swapper10:14:140
7350850,0irq/45-4a10000027480-21irqstats10:54:130
13544998552,0cyclictest0-21swapper07:44:200
7350840,0irq/45-4a10000026117-1kworker/u3:210:53:260
13544998462,0cyclictest0-21swapper12:19:250
13544998455,0cyclictest0-21swapper09:14:210
13544998451,0cyclictest0-21swapper11:14:150
13544998449,0cyclictest0-21swapper08:09:220
13544998442,0cyclictest0-21swapper08:19:350
7350830,0irq/45-4a10000029095-21tune2fs09:24:040
7350830,0irq/45-4a10000026938-21chrt12:28:410
7350830,0irq/45-4a10000019350-21awk08:54:320
7350830,0irq/45-4a10000011891-21uniq10:09:020
165912836,0sleep016623-21sed11:58:370
13544998350,0cyclictest0-21swapper08:24:360
13544998348,0cyclictest0-21swapper08:29:130
7350820,0irq/45-4a100000871-21sshd09:36:030
7350820,0irq/45-4a10000030884-21kworker/0:111:11:120
7350820,0irq/45-4a10000020719-1kworker/u3:209:51:540
13544998253,0cyclictest0-21swapper09:29:120
13544998250,0cyclictest0-21swapper08:34:300
7450810,0irq/46-4a1000005479-21ps11:24:230
7350810,0irq/45-4a1000003636-21meminfo11:19:150
13544998161,0cyclictest0-21swapper11:29:240
13544998152,0cyclictest0-21swapper07:59:210
7450800,0irq/46-4a100000460-21snmpd07:12:360
7450790,0irq/46-4a10000013683-21grep07:03:460
7350790,0irq/45-4a1000007840-1kworker/u3:111:34:090
7450780,0irq/46-4a100000460-21snmpd11:43:030
7450780,0irq/46-4a10000022111-21runrttasks10:38:530
7450780,0irq/46-4a10000018936-1kworker/u3:108:58:450
7350780,0irq/45-4a1000007925-1kworker/u3:210:01:040
13544997855,0cyclictest0-21swapper07:38:440
7450770,0irq/46-4a10000024992-21seq09:12:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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