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2026-05-10 - 14:08
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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 Sun May 10, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502810,0irq/46-4a10000012-21ksoftirqd/007:02:390
7350940,0irq/45-4a10000011815-1kworker/u3:008:35:270
31872940,0sleep01883-1kworker/u3:209:40:430
13324999358,0cyclictest0-21swapper07:24:450
13324999357,0cyclictest0-21swapper07:50:300
134232920,0sleep011901-1kworker/u3:211:45:370
13324999260,0cyclictest0-21swapper08:40:230
13324999258,0cyclictest0-21swapper12:09:590
7350910,0irq/45-4a1000008400-1kworker/u3:008:26:190
7350910,0irq/45-4a10000031482-1kworker/u3:107:59:100
13324999158,0cyclictest0-21swapper11:55:250
291542900,0chrt27437-1kworker/u3:010:58:300
13324999057,0cyclictest0-21swapper07:20:090
13324998958,0cyclictest0-21swapper09:35:120
13324998957,0cyclictest0-21swapper07:35:050
7450880,0irq/46-4a1000009650-21seq11:35:210
7450880,0irq/46-4a10000029739-21/usr/sbin/munin10:59:560
7350880,0irq/45-4a10000014804-1kworker/u3:007:09:570
7350880,0irq/45-4a10000013889-21cron10:14:310
7350880,0irq/45-4a10000011493-1kworker/u3:010:06:380
13324998857,0cyclictest0-21swapper09:15:280
13324998855,0cyclictest0-21swapper08:45:280
13324998851,0cyclictest0-21swapper07:05:130
7450870,0irq/46-4a10000031649-21irqstats09:30:100
7450870,0irq/46-4a10000027603-21sendmail-msp10:54:330
7450870,0irq/46-4a10000023426-21mailstats10:40:250
7450870,0irq/46-4a10000023034-21chrt09:05:040
7450870,0irq/46-4a10000022881-21/usr/sbin/munin07:29:560
7450870,0irq/46-4a10000017757-21runrttasks08:49:560
7450870,0irq/46-4a10000015654-21runrttasks10:19:340
7350870,0irq/45-4a10000027793-21cut12:29:430
15602870,0chrt493-1kworker/u3:211:11:290
13324998754,0cyclictest0-21swapper12:05:040
7450860,0irq/46-4a1000008430-1kworker/u3:211:34:060
7450860,0irq/46-4a1000007383-21cstates08:19:460
7450860,0irq/46-4a1000006048-21/usr/sbin/munin09:50:110
7450860,0irq/46-4a1000004221-21fw_conntrack08:10:040
7450860,0irq/46-4a10000028782-21users09:20:320
7450860,0irq/46-4a10000026209-21df12:24:470
7450860,0irq/46-4a10000021088-21df08:59:500
7450860,0irq/46-4a10000017484-21wget10:24:420
7350860,0irq/45-4a1000004862-1kworker/u3:008:15:020
7350860,0irq/45-4a10000011312-1kworker/u3:207:59:430
13324998655,0cyclictest0-21swapper07:40:190
13324998654,0cyclictest0-21swapper08:30:240
13324998651,0cyclictest0-21swapper11:25:040
7450850,0irq/46-4a1000007515-21diskstats09:54:530
7450850,0irq/46-4a10000031321-21cstates11:04:460
7450850,0irq/46-4a10000024490-21cstates10:44:450
7450850,0irq/46-4a1000002190-21aten_r4power_vo11:14:430
7450850,0irq/46-4a10000021007-21wc10:34:450
7450850,0irq/46-4a10000014243-21df11:49:470
7350850,0irq/45-4a10000017167-1kworker/u3:111:59:510
13324998554,0cyclictest0-21swapper10:29:580
13324998551,0cyclictest0-21swapper09:10:220
13324998551,0cyclictest0-21swapper07:45:210
7450840,0irq/46-4a1000004476-21ntp_states09:45:180
7450840,0irq/46-4a10000030022-21memory09:25:150
7450840,0irq/46-4a1000002491-21fschecks_time08:05:030
7450840,0irq/46-4a10000024606-21/usr/sbin/munin12:19:520
7450840,0irq/46-4a10000023731-21seq12:15:560
7450840,0irq/46-4a10000018068-21/usr/sbin/munin07:15:150
7450840,0irq/46-4a10000011231-21meminfo11:40:110
170222840,0chrt16957-1kworker/u3:210:22:000
7450830,0irq/46-4a1000008897-21cut09:59:360
7450830,0irq/46-4a1000004106-21/usr/sbin/munin11:19:540
13324998260,0cyclictest0-21swapper08:55:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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