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2026-03-29 - 07:42
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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 10 highest latencies:
System rack4slot2.osadl.org (updated Sun Mar 29, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27100212450,0chrt25567-1kworker/u3:019:02:400
7350960,0irq/45-4a10000019555-1kworker/u3:023:30:460
7450940,0irq/46-4a1000004897-21kernelversion19:31:570
7450940,0irq/46-4a10000019825-21/usr/sbin/munin21:51:240
7450940,0irq/46-4a10000014712-21aten_r4power_vo21:36:230
7450930,0irq/46-4a1000003104-21fw_packets19:26:440
7450930,0irq/46-4a10000017711-1kworker/u3:223:22:220
7450930,0irq/46-4a1000001553-21seq22:31:540
7450930,0irq/46-4a10000015428-21mailstats23:12:030
7450920,0irq/46-4a1000006482-21perl22:46:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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