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2026-09-04 - 18:50
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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 Sep 04, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73501990,0irq/45-4a1000003740-21kworker/0:307:06:450
7450980,0irq/46-4a10000016117-21fw_conntrack10:25:270
7450940,0irq/46-4a1000003849-21/usr/sbin/munin09:50:120
7450940,0irq/46-4a1000002258-21forks08:10:210
7450940,0irq/46-4a10000019140-21wget09:00:070
7450940,0irq/46-4a10000012076-21cat08:39:570
7450930,0irq/46-4a1000009395-21missed_timers08:30:400
7450930,0irq/46-4a1000004662-21runrttasks08:15:520
7450930,0irq/46-4a10000032576-21debian-sa108:04:570
7450930,0irq/46-4a10000024570-21fschecks_count10:50:270
7450930,0irq/46-4a10000018211-21sensors_temp07:20:500
7450930,0irq/46-4a10000012471-21df11:50:170
7450930,0irq/46-4a10000012327-21aten_r4power_vo08:40:090
7350930,0irq/45-4a10000027262-1kworker/u3:109:26:140
7450920,0irq/46-4a100000925-21nfs_client09:40:420
7450920,0irq/46-4a1000005302-21munin-plugin-st11:29:570
7450920,0irq/46-4a100000438-21snmpd11:55:170
7450920,0irq/46-4a10000032053-21runrttasks11:10:590
7450920,0irq/46-4a10000029542-21df11:05:110
7450920,0irq/46-4a10000028366-21/usr/sbin/munin12:35:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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