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2026-07-12 - 18:55
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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 Sun Jul 12, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501980,0irq/46-4a10000031017-21runrttasks07:06:100
7450950,0irq/46-4a10000025352-21aten_r4power_po08:24:100
7450940,0irq/46-4a1000008477-21df_inode09:09:190
7450940,0irq/46-4a10000013193-21sendmail-msp10:59:010
7450930,0irq/46-4a1000009122-21/usr/sbin/munin10:44:540
7450930,0irq/46-4a1000003651-21meminfo10:29:390
7450930,0irq/46-4a10000030821-21fw_conntrack11:49:270
7450930,0irq/46-4a10000029259-21meminfo10:09:370
7450930,0irq/46-4a10000010097-21/usr/sbin/munin12:24:150
7350930,0irq/45-4a10000032531-21runrttasks08:44:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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