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2026-05-08 - 18:57
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Fri May 08, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140240ksoftirqd/030958-21kworker/0:007:04:070
2234501300irq/11-eth04489-21munin-node07:08:520
14991200watchdog/017776-21runrttasks07:49:020
14991190watchdog/027516-21basename11:49:260
44939811542cyclictest17633-21munin-node11:19:230
14991150watchdog/026905-21munin-node10:04:260
44939811444cyclictest17648-21munin-node09:34:010
14991140watchdog/05880-21needreboot08:54:220
14991120watchdog/029148-21timerandwakeup11:54:300
14991120watchdog/017245-21runrttasks09:31:300
44939811147cyclictest8583-21cpu12:34:110
44939811147cyclictest11167-21aten2.4-expect07:29:090
14991110watchdog/03315-21runrttasks10:31:220
44939810946cyclictest2792-21runrttasks07:16:150
44939810945cyclictest26089-21aten2.4_r3power08:14:280
44939810945cyclictest1398-21missed_timers12:09:300
44939810942cyclictest22914-21aten2.4_r3power11:34:260
44939810941cyclictest6919-21ntp_states10:44:030
44939810843cyclictest27849-21aten2.4_r3power08:19:340
44939810745cyclictest13403-21aten2.4_r3power07:34:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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