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2026-06-08 - 18:34
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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 Mon Jun 08, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501980,0irq/46-4a1000007246-21/usr/sbin/munin07:05:390
20173210334,0sleep020174-21users09:15:570
8156999956,0cyclictest0-21swapper07:40:330
7350980,0irq/45-4a10000013032-21ps08:55:480
7450940,0irq/46-4a10000032657-21idleruntime-cro09:54:570
7450940,0irq/46-4a10000022971-21fw_conntrack07:50:270
7450940,0irq/46-4a10000012499-21cstates10:30:130
8156999358,0cyclictest0-21swapper10:50:370
7450930,0irq/46-4a1000008727-21cron11:54:570
7450930,0irq/46-4a1000005450-21/usr/sbin/munin10:10:480
7450930,0irq/46-4a1000002638-21meminfo11:35:370
7450930,0irq/46-4a10000014287-21df_abs10:35:170
7450930,0irq/46-4a10000010341-21sshd10:24:030
7450920,0irq/46-4a100000452-21snmpd07:45:530
7450920,0irq/46-4a100000452-21snmpd07:10:270
7450920,0irq/46-4a10000028736-21users09:40:560
7450920,0irq/46-4a10000025834-21sendmail-msp08:00:000
7450920,0irq/46-4a10000021028-21cstates09:20:110
7450920,0irq/46-4a10000020004-21mailstats12:25:500
7450920,0irq/46-4a10000018557-21runrttasks09:11:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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