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2026-01-12 - 03:48
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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 20 highest latencies:
System rack4slot2.osadl.org (updated Mon Jan 12, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73505000,0irq/45-4a10000016947-21kworker/0:319:04:160
7450950,0irq/46-4a10000030322-21sed21:11:130
7450950,0irq/46-4a10000025810-21https00:09:060
7350950,0irq/45-4a1000008568-21chrt20:09:210
7450940,0irq/46-4a100000460-21snmpd23:15:220
7450940,0irq/46-4a10000023224-21runrttasks00:00:010
7450940,0irq/46-4a1000001954-21runrttasks21:24:260
7450930,0irq/46-4a10000026228-21runrttasks19:24:520
7450930,0irq/46-4a10000019422-21idleruntime22:14:470
7450920,0irq/46-4a1000008615-21date21:44:120
7450920,0irq/46-4a100000569-21chrt22:54:350
7450920,0irq/46-4a1000004964-1kworker/u3:019:16:100
7450920,0irq/46-4a1000004338-21ntpq21:30:510
7450920,0irq/46-4a10000032652-21sh00:29:060
7450920,0irq/46-4a10000032504-21basename19:44:230
7450920,0irq/46-4a10000031914-21timerandwakeup22:50:080
7450920,0irq/46-4a10000029840-21/usr/sbin/munin00:19:450
7450920,0irq/46-4a10000018871-21seq20:39:210
7450920,0irq/46-4a10000017537-21df_inode22:09:330
7450920,0irq/46-4a10000016447-21switchtime22:05:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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