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2026-05-30 - 02:21
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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 Sat May 30, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502360,0irq/46-4a10000026663-1kworker/u3:019:00:200
7350920,0irq/45-4a1000002727-21/usr/sbin/munin00:08:540
7450900,0irq/46-4a1000004487-21wget21:03:570
7350900,0irq/45-4a1000001501-21ls00:04:240
124352900,0sleep012399-1kworker/u3:123:00:310
7450890,0irq/46-4a10000018400-21df_inode23:19:050
7450880,0irq/46-4a10000022038-21irqstats23:29:240
7450880,0irq/46-4a10000018528-21fw_conntrack21:44:140
7450880,0irq/46-4a10000010050-21irqstats19:44:210
7450870,0irq/46-4a10000032224-21idleruntime22:24:180
7450870,0irq/46-4a1000003143-21fw_conntrack19:24:140
7450870,0irq/46-4a10000010626-21vmstat22:54:450
7350870,0irq/45-4a1000006973-21/usr/sbin/munin00:19:390
7350870,0irq/45-4a10000030370-21diskstats22:19:070
7350870,0irq/45-4a1000002645-21grep22:33:480
7350870,0irq/45-4a10000011135-21cron00:33:450
246892870,0chrt14368-1kworker/u3:020:28:100
17032879,0sleep01707-21ntp_states20:54:340
7450860,0irq/46-4a1000009446-21munin-run00:28:460
7450860,0irq/46-4a100000460-21snmpd23:13:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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