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2026-08-27 - 07:48
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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 Aug 27, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502470,0irq/46-4a10000018821-1kworker/u3:219:05:210
7450980,0irq/46-4a10000015460-21sendmail-msp21:59:140
7450970,0irq/46-4a10000014516-21grep20:20:060
7450960,0irq/46-4a10000012576-21fw_conntrack23:24:470
7450950,0irq/46-4a100000936-21open_inodes21:15:070
7450950,0irq/46-4a1000006032-21ntp_states21:30:070
7450950,0irq/46-4a10000028460-21chrt21:00:250
7450950,0irq/46-4a10000022510-21egrep23:54:280
7350950,0irq/45-4a10000024431-21forks22:24:400
7450940,0irq/46-4a10000032599-21sendmail-msp19:39:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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