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2026-08-25 - 07:26
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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 rack7slot3.osadl.org (updated Tue Aug 25, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29791286122sleep29792-21basename19:02:090
307019926595cyclictest9811-21sh22:16:080
3070199262237cyclictest7971-21ssh00:34:510
3070199260101cyclictest12280-21runrttasks22:26:420
3070199259232cyclictest24253-21ntp_states20:58:440
3070199258124cyclictest28490-21ssh21:17:540
307019925794cyclictest23195-21sendmail_mailst20:53:470
3070199257231cyclictest21658-21munin-node0
3070199257116cyclictest13212-21ifplugd23:04:150
3070199257104cyclictest9958-21df19:57:150
3070199256113cyclictest7368-1kworker/0:2H21:39:570
3070199255234cyclictest283172sleep23:36:090
3070199255229cyclictest2869-21snmpd23:39:450
3070199255127cyclictest2980-21gmain22:08:260
3070199254129cyclictest26519-21ssh23:27:580
307019925390cyclictest16789-21ssh22:45:270
3070199253227cyclictest11024-21cpu20:01:590
3070199253125cyclictest7368-1kworker/0:2H21:07:270
3070199253118cyclictest2913-21ssh21:46:480
3070199252122cyclictest24637-21sh23:19:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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