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2025-11-01 - 09:18
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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 Sat Nov 01, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502080,0irq/45-4a10000028871-21kworker/0:019:06:430
184522940,0sleep017141-1kworker/u3:222:49:560
7450920,0irq/46-4a10000019873-21seq22:54:470
62612920,0sleep05666-1kworker/u3:022:14:420
7450910,0irq/46-4a1000008531-21mailstats19:10:060
7450910,0irq/46-4a10000024322-21sendmail-msp19:59:080
7450910,0irq/46-4a10000021830-21ntpq21:24:570
7350910,0irq/45-4a10000014518-21diskstats19:29:560
7450900,0irq/46-4a100000443-21snmpd22:30:040
5632908,0sleep0558-21apt-get20:24:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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