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2026-06-10 - 01:39
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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 Tue Jun 09, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502350,0irq/45-4a10000025518-21kworker/0:107:06:220
7450960,0irq/46-4a1000004279-21sh10:34:540
7450950,0irq/46-4a1000009438-21ls12:24:550
7450940,0irq/46-4a10000032587-21chrt07:14:020
7450940,0irq/46-4a10000032146-21fschecks_time08:45:220
7450940,0irq/46-4a10000032070-21/usr/sbin/munin11:55:210
7450940,0irq/46-4a1000003135-21grep12:05:210
7450940,0irq/46-4a1000001291-21chrt08:50:170
7450930,0irq/46-4a1000008282-21fw_packets09:10:300
7450930,0irq/46-4a10000027599-21ls11:40:500
7450930,0irq/46-4a10000023846-21ntpq09:55:400
7450930,0irq/46-4a10000018672-21meminfo08:05:370
7450930,0irq/46-4a10000014248-21seq07:52:510
7450930,0irq/46-4a10000014117-21runrttasks12:36:320
7450930,0irq/46-4a10000011686-21fw_conntrack07:45:240
31024999361,0cyclictest0-21swapper07:40:180
31024999358,0cyclictest0-21swapper07:20:060
7450920,0irq/46-4a1000008266-21fw_forwarded_lo07:35:260
7450920,0irq/46-4a10000032365-21meminfo10:20:370
7450920,0irq/46-4a10000030484-21fw_conntrack11:50:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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