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2026-07-17 - 23:33
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Fri Jul 17, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745013030,0irq/46-4a10000016166-1kworker/u3:007:08:020
26559999473,0cyclictest0-21swapper11:49:190
26559999466,0cyclictest0-21swapper08:04:420
26559999159,0cyclictest0-21swapper09:04:330
26559999157,0cyclictest0-21swapper10:04:250
26559999058,0cyclictest0-21swapper08:08:560
26559999058,0cyclictest0-21swapper07:49:280
26559999057,0cyclictest0-21swapper07:24:330
26559998958,0cyclictest0-21swapper09:24:140
26559998958,0cyclictest0-21swapper07:34:180
26559998958,0cyclictest0-21swapper07:09:250
26559998865,0cyclictest0-21swapper08:34:460
26559998858,0cyclictest0-21swapper11:24:390
26559998857,0cyclictest0-21swapper12:29:400
26559998857,0cyclictest0-21swapper11:04:360
26559998856,0cyclictest0-21swapper08:49:460
26559998856,0cyclictest0-21swapper07:14:180
26559998855,0cyclictest0-21swapper12:14:350
26559998757,0cyclictest0-21swapper10:44:430
26559998757,0cyclictest0-21swapper09:29:430
26559998755,0cyclictest0-21swapper10:14:280
26559998754,0cyclictest0-21swapper12:04:480
26559998753,0cyclictest0-21swapper08:54:200
26559998667,0cyclictest0-21swapper07:44:420
26559998665,0cyclictest0-21swapper08:24:220
26559998655,0cyclictest0-21swapper07:54:350
26559998654,0cyclictest0-21swapper11:29:340
26559998653,0cyclictest0-21swapper08:14:220
26559998653,0cyclictest0-21swapper07:29:340
26559998557,0cyclictest0-21swapper11:02:440
26559998553,0cyclictest0-21swapper12:24:450
26559998551,0cyclictest0-21swapper10:29:140
26559998551,0cyclictest0-21swapper10:24:170
26559998465,0cyclictest0-21swapper09:09:360
26559998464,0cyclictest0-21swapper11:54:250
26559998453,0cyclictest0-21swapper10:34:470
26559998362,0cyclictest0-21swapper09:49:100
7450820,0irq/46-4a10000012744-21grep07:59:560
26559998263,0cyclictest0-21swapper11:44:390
26559998251,0cyclictest0-21swapper09:14:260
26559998148,0cyclictest0-21swapper11:34:180
26559998047,0cyclictest0-21swapper12:34:100
26559997950,0cyclictest0-21swapper08:44:440
26559997859,0cyclictest3862-21/usr/sbin/munin12:19:280
26559997851,0cyclictest0-21swapper12:12:540
26559997755,0cyclictest0-21swapper09:38:580
26559997750,0cyclictest0-21swapper08:41:160
26559997744,0cyclictest0-21swapper09:34:100
26559997742,0cyclictest0-21swapper11:14:460
7350750,0irq/45-4a10000032133-21seq07:22:490
7450740,0irq/46-4a10000018617-21sendmail-msp08:20:050
7450730,0irq/46-4a1000004948-21sendmail-msp07:40:120
7450730,0irq/46-4a10000027146-21sendmail-msp10:19:170
26559997343,0cyclictest0-21swapper10:09:330
26559997244,0cyclictest0-21swapper09:56:580
7350710,0irq/45-4a1000000-21swapper11:09:470
26559997158,0cyclictest0-21swapper08:33:490
7450700,0irq/46-4a10000023692-21kworker/u2:309:20:050
7350700,0irq/45-4a1000000-21swapper09:58:550
26559997051,0cyclictest7262-21interrupts10:54:240
26559996941,0cyclictest0-21swapper11:39:500
7350680,0irq/45-4a1000000-21swapper11:20:110
7350680,0irq/45-4a1000000-21swapper10:43:440
26559996856,0cyclictest0-21swapper09:44:380
26559996841,0cyclictest0-21swapper09:01:100
26559996840,0cyclictest0-21swapper11:59:560
26559996540,0cyclictest0-21swapper10:49:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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