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2026-03-10 - 20:39
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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 highest latencies:
System rack4slot2.osadl.org (updated Tue Mar 10, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502370,0irq/45-4a10000021050-21kworker/0:007:02:070
234519912941,0cyclictest0-21swapper11:20:490
234519912844,0cyclictest0-21swapper10:01:410
234519912742,0cyclictest0-21swapper11:26:250
234519912442,0cyclictest0-21swapper07:32:540
234519910767,0cyclictest0-21swapper10:57:320
234519910754,0cyclictest0-21swapper12:22:130
234519910161,0cyclictest0-21swapper07:27:420
23451999949,0cyclictest0-21swapper08:42:360
23451999644,0cyclictest0-21swapper09:22:270
23451999372,0cyclictest0-21swapper10:47:170
23451999271,0cyclictest0-21swapper09:47:420
23451999260,0cyclictest0-21swapper09:02:210
23451999157,0cyclictest0-21swapper08:52:440
23451999156,0cyclictest0-21swapper12:07:160
23451999068,0cyclictest0-21swapper08:57:450
23451999067,0cyclictest0-21swapper08:37:330
23451999058,0cyclictest0-21swapper07:08:010
23451999057,0cyclictest0-21swapper12:02:200
23451998957,0cyclictest0-21swapper11:52:470
23451998956,0cyclictest0-21swapper11:32:520
23451998955,0cyclictest0-21swapper11:37:320
23451998868,0cyclictest0-21swapper11:57:250
23451998868,0cyclictest0-21swapper11:12:290
23451998855,0cyclictest0-21swapper07:57:470
23451998756,0cyclictest0-21swapper08:27:450
23451998667,0cyclictest0-21swapper08:17:340
23451998655,0cyclictest0-21swapper07:47:520
23451998653,0cyclictest0-21swapper11:07:020
69432855,0sleep06980-21mailstats11:02:460
23451998553,0cyclictest0-21swapper12:17:330
23451998553,0cyclictest0-21swapper09:52:300
23451998460,0cyclictest0-21swapper10:27:300
23451998453,0cyclictest0-21swapper08:12:320
23451998452,0cyclictest0-21swapper07:17:260
23451998352,0cyclictest0-21swapper08:22:470
23451998350,0cyclictest0-21swapper10:02:060
23451998350,0cyclictest0-21swapper08:07:430
23451998349,0cyclictest0-21swapper10:07:190
23451998250,0cyclictest0-21swapper10:42:480
23451998161,0cyclictest0-21swapper09:12:130
23451998150,0cyclictest0-21swapper07:22:460
23451998149,0cyclictest0-21swapper09:32:480
7350800,0irq/45-4a1000007145-21grep07:52:520
7350800,0irq/45-4a10000016227-21modprobe11:31:520
2503728015,0sleep025078-21cstates08:47:080
23451998045,0cyclictest0-21swapper07:42:190
7350790,0irq/45-4a1000005966-21cron12:36:530
7350790,0irq/45-4a1000003021-21diskstats09:17:180
23451997959,0cyclictest0-21swapper12:27:060
23451997956,0cyclictest0-21swapper09:42:250
23451997948,0cyclictest0-21swapper10:52:480
23451997947,0cyclictest0-21swapper10:32:500
23451997946,0cyclictest0-21swapper08:32:280
23451997945,0cyclictest0-21swapper09:07:290
7350780,0irq/45-4a1000006408-21df_inode09:27:130
7350770,0irq/45-4a10000024928-21/usr/sbin/munin10:22:030
23451997757,0cyclictest0-21swapper10:17:420
23451997755,0cyclictest0-21swapper11:47:440
7450760,0irq/46-4a10000030581-21irqstats10:37:300
7450760,0irq/46-4a10000025865-21ntp_states07:12:290
7450760,0irq/46-4a1000001460-21ls07:37:260
7350760,0irq/45-4a1000009744-21df08:02:120
7350760,0irq/45-4a10000030948-21switchtime12:12:490
7350760,0irq/45-4a10000020288-21if_eth011:42:290
7350760,0irq/45-4a10000010595-21sed09:37:520
7450740,0irq/46-4a10000021205-1kworker/u3:210:12:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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