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2026-07-02 - 23:41
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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 10 highest latencies:
System rack4slot2.osadl.org (updated Thu Jul 02, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502330,0irq/46-4a10000014592-1kworker/u3:007:09:180
7350990,0irq/45-4a1000007227-21/usr/sbin/munin09:55:290
7450960,0irq/46-4a1000002004-21sendmail-msp09:39:550
7450950,0irq/46-4a1000003817-21/usr/sbin/munin08:09:590
7450950,0irq/46-4a10000018567-21chrt12:00:350
7450950,0irq/46-4a10000016246-21seq07:10:200
7450950,0irq/46-4a10000015665-21sendmail-msp10:20:180
7450940,0irq/46-4a1000006017-21if_eth008:14:560
7450940,0irq/46-4a10000032765-21sendmail-msp07:59:510
7450940,0irq/46-4a10000025135-21sendmail_mailqu09:10:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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