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2026-06-08 - 12:33
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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 Jun 08, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501960,0irq/46-4a10000024654-21runrttasks19:05:450
7450950,0irq/46-4a10000017868-21users21:56:110
7350950,0irq/45-4a1000007601-21sed00:35:550
1537029510,0sleep015389-21df_inode20:15:210
7450940,0irq/46-4a10000029349-21ls20:55:460
7450940,0irq/46-4a10000016790-21/usr/sbin/munin23:30:430
303562948,0sleep030370-21sed00:09:590
7450930,0irq/46-4a1000009425-21runrttasks23:06:460
7450930,0irq/46-4a1000004859-21sshd22:55:100
7450930,0irq/46-4a10000031154-21ntpdc19:25:540
7450930,0irq/46-4a10000030699-21df21:00:170
7450930,0irq/46-4a10000027350-21df_inode22:25:200
7450930,0irq/46-4a1000002160-1kworker/u3:200:25:490
7450930,0irq/46-4a10000014972-21munin-run20:15:000
7450930,0irq/46-4a10000013280-21ls20:10:030
7450930,0irq/46-4a10000012011-21/usr/sbin/munin23:15:240
7450920,0irq/46-4a1000009812-21cron21:34:590
7450920,0irq/46-4a1000004200-21unixbench_singl21:16:150
7450920,0irq/46-4a10000028119-21sshd20:51:090
7450920,0irq/46-4a10000025643-21diskstats23:55:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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