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2026-03-11 - 04:05
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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 Wed Mar 11, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509330,0irq/46-4a1000006224-1kworker/u3:219:04:190
290032980,0sleep026507-1kworker/u3:220:07:360
7450960,0irq/46-4a1000001677-21runrttasks21:57:320
7450930,0irq/46-4a10000030727-21missed_timers20:12:380
7450930,0irq/46-4a10000020038-21/usr/sbin/munin00:27:070
7450930,0irq/46-4a10000013866-21mailstats20:57:450
7350930,0irq/45-4a1000008263-21/usr/sbin/munin20:42:170
7450920,0irq/46-4a1000003577-21rt-features20:27:460
7450920,0irq/46-4a10000028878-21fw_forwarded_lo23:17:240
7450920,0irq/46-4a10000016979-21irqstats22:42:270
7450920,0irq/46-4a10000014276-21runrttasks22:34:150
7450920,0irq/46-4a10000012849-1kworker/u3:122:56:030
7450910,0irq/46-4a1000008442-21irqstats22:17:270
7450910,0irq/46-4a1000006836-21/usr/sbin/munin22:12:400
7450910,0irq/46-4a1000003393-21/usr/sbin/munin23:37:340
7450910,0irq/46-4a10000032142-21entropy23:27:160
7450910,0irq/46-4a10000028453-21cut21:42:010
7450910,0irq/46-4a10000026883-21cpuspeed21:37:060
7450910,0irq/46-4a10000023356-21wget21:27:030
7450910,0irq/46-4a10000021744-21cpuspeed21:22:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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