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2026-09-06 - 14:06
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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 Sun Sep 06, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509320,0irq/46-4a100000283272sleep007:06:240
7450940,0irq/46-4a1000002755-21runrttasks07:29:520
7450940,0irq/46-4a10000017516-21switchtime08:10:570
7450930,0irq/46-4a1000007148-21processes09:15:520
7450930,0irq/46-4a10000031208-21unixbench_singl07:15:240
7450930,0irq/46-4a10000010343-21meminfo12:35:420
28791999359,0cyclictest0-21swapper10:15:070
7450920,0irq/46-4a10000032427-21fw_forwarded_lo07:20:360
7450920,0irq/46-4a10000031928-21date12:05:000
7450920,0irq/46-4a10000027746-21swap08:40:530
7450920,0irq/46-4a10000020180-21cstates08:20:060
7450920,0irq/46-4a10000018907-21memory08:15:490
7450920,0irq/46-4a10000017220-21memory09:45:460
7450920,0irq/46-4a10000015406-21irqstats08:05:400
7450920,0irq/46-4a10000012840-21runrttasks11:08:240
28791999259,0cyclictest0-21swapper12:30:390
7450910,0irq/46-4a100000438-21snmpd12:25:450
7450910,0irq/46-4a100000438-21snmpd11:45:170
7450910,0irq/46-4a1000003380-21fw_conntrack10:40:280
7450910,0irq/46-4a10000030681-21fschecks_time08:50:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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