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2026-03-30 - 13:10
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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 20 highest latencies:
System rack4slot2.osadl.org (updated Mon Mar 30, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012010,0irq/46-4a10000027324-1kworker/u3:119:02:070
7450960,0irq/46-4a10000025679-21sshd21:39:330
7450960,0irq/46-4a10000014246-21/usr/sbin/munin21:06:240
7450950,0irq/46-4a1000007942-21/usr/sbin/munin22:21:580
7450950,0irq/46-4a100000719-21fschecks_count22:01:340
7450950,0irq/46-4a10000032710-21runrttasks20:26:080
7450950,0irq/46-4a10000019706-21/usr/sbin/munin22:56:430
7450940,0irq/46-4a1000007447-21df19:11:430
7450940,0irq/46-4a1000006378-21mailstats20:42:020
7450940,0irq/46-4a1000004783-21timerwakeupswit20:37:050
7450940,0irq/46-4a10000027791-21/usr/sbin/munin23:21:200
7450940,0irq/46-4a10000018181-21ntp_states21:16:580
7450940,0irq/46-4a10000015569-21sshd22:45:450
7450940,0irq/46-4a10000013961-21latency_hist22:41:110
7450940,0irq/46-4a10000013570-1kworker/u3:219:34:230
7450940,0irq/46-4a10000011206-21/usr/sbin/munin22:31:540
7450940,0irq/46-4a10000010849-21df19:21:260
7450930,0irq/46-4a100000925-21irqstats23:36:460
7450930,0irq/46-4a1000009207-21runrttasks22:26:280
7450930,0irq/46-4a1000006450-21runrttasks19:10:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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