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2026-06-19 - 00:10
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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 Jun 18, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502480,0irq/46-4a1000002416-1kworker/u3:207:08:540
7450960,0irq/46-4a10000013471-21sendmail-msp07:39:580
7450950,0irq/46-4a1000002104-21if_err_eth008:40:330
7450950,0irq/46-4a10000010688-21interrupts07:30:330
7350950,0irq/45-4a1000007056-21modprobe07:20:190
7450940,0irq/46-4a100000736-21sendmail_mailst10:10:480
7450940,0irq/46-4a1000005516-21fw_forwarded_lo10:25:300
7450940,0irq/46-4a10000018615-21cat09:29:590
7450940,0irq/46-4a10000017283-21df_inode12:35:150
7450940,0irq/46-4a10000016739-21seq07:49:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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