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2026-06-05 - 18:26
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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 Jun 05, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502450,0irq/46-4a10000026579-1kworker/u3:207:00:320
27095999471,0cyclictest0-21swapper10:44:030
7450930,0irq/46-4a1000005506-21sensors_temp07:34:260
7450930,0irq/46-4a1000003462-21runrttasks12:14:100
7450930,0irq/46-4a10000023547-21cpuspeed10:03:430
7450920,0irq/46-4a1000003535-21nfs_client09:04:140
7450920,0irq/46-4a10000025533-21perl08:33:580
7450920,0irq/46-4a10000022031-21fschecks_count09:58:570
7350920,0irq/45-4a1000009257-1kworker/u3:112:33:070
7350920,0irq/45-4a10000020248-21/usr/sbin/munin11:28:490
295032928,0sleep029526-21fw_conntrack07:08:590
7450910,0irq/46-4a10000032237-21diskstats10:28:530
7450910,0irq/46-4a10000031372-1kworker/u3:010:25:350
7450910,0irq/46-4a10000029540-21chrt11:54:270
7450910,0irq/46-4a10000029471-21grep08:44:260
7450910,0irq/46-4a10000024972-21sendmail08:33:300
7450910,0irq/46-4a10000012740-1kworker/u3:112:00:070
27095999158,0cyclictest0-21swapper07:49:240
7450900,0irq/46-4a1000008061-21aten_r4power_en09:18:410
7450900,0irq/46-4a1000006850-21irqstats09:14:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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