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2026-05-01 - 02:48
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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 Fri May 01, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502300,0irq/45-4a10000026561-21kworker/0:319:03:140
7450970,0irq/46-4a1000008402-21seq00:05:070
7450960,0irq/46-4a10000019456-21/usr/sbin/munin21:26:000
7450960,0irq/46-4a10000012928-21seq19:30:180
7450950,0irq/46-4a1000009318-21wget22:30:070
7450950,0irq/46-4a10000031879-21/usr/sbin/munin22:00:260
41632950,0sleep03639-1kworker/u3:123:50:060
7450940,0irq/46-4a1000008178-21ntpq19:15:420
7450940,0irq/46-4a10000028817-21/usr/sbin/munin21:50:540
7450940,0irq/46-4a10000026742-21seq21:45:260
7450940,0irq/46-4a10000023144-21df_abs20:00:130
7450940,0irq/46-4a10000017405-21runrttasks22:53:240
7450940,0irq/46-4a10000016014-21wc19:39:580
7450940,0irq/46-4a1000001338-21ntp_kernel_pll_23:40:420
7450930,0irq/46-4a1000007453-21grep23:59:570
7450930,0irq/46-4a1000006881-1kworker/u3:220:54:530
7450930,0irq/46-4a1000006009-21df22:20:100
7450930,0irq/46-4a10000032259-21/usr/sbin/munin23:35:580
7450930,0irq/46-4a10000029591-21munin-run23:29:540
7450930,0irq/46-4a10000025250-21/usr/sbin/munin23:15:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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