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2026-04-16 - 08:59
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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 Thu Apr 16, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25734211950,0chrt24335-1kworker/u3:019:02:380
7450940,0irq/46-4a10000010052-21df_inode23:00:510
7450930,0irq/46-4a1000003365-21seq19:31:000
7450930,0irq/46-4a10000030195-21date20:50:330
7450930,0irq/46-4a10000012047-21load23:06:080
227882930,0sleep021475-1kworker/u3:120:26:320
7450920,0irq/46-4a1000008093-21aten_r4power_en22:55:420
7450920,0irq/46-4a1000007838-21seq19:45:020
7450920,0irq/46-4a100000447-21threads20:56:270
7450920,0irq/46-4a10000031114-21mailstats20:51:240
7450920,0irq/46-4a10000010044-21df_inode21:25:490
7450910,0irq/46-4a1000009061-21sed21:21:280
7450910,0irq/46-4a1000007293-21timerandwakeup22:51:280
7450910,0irq/46-4a1000006517-21/usr/sbin/munin21:15:440
7450910,0irq/46-4a10000031302-21grep19:16:290
7450910,0irq/46-4a10000028779-21df19:11:040
7450910,0irq/46-4a10000026629-1kworker/u3:120:45:280
7450910,0irq/46-4a10000026222-21cut19:05:340
7450910,0irq/46-4a10000025002-21munin-run20:35:300
7450910,0irq/46-4a10000020578-21load23:31:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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