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2026-05-08 - 19:45
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Fri May 08, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14929992903626,0cyclictest9-21ksoftirqd/009:01:430
14929992879436,0cyclictest4320-21ntpd07:01:420
149299927062341,0cyclictest0-21swapper07:08:250
14929992644538,0cyclictest28644-21munin-node12:16:430
14929992633206,0cyclictest12924-1kworker/0:1H09:56:430
14929992562198,0cyclictest12924-1kworker/0:1H10:21:440
14929992554572,0cyclictest9-21ksoftirqd/008:56:430
14929992542220,0cyclictest12924-1kworker/0:1H11:01:430
14929992452654,0cyclictest32077-21latency_hist12:26:430
14929992448694,0cyclictest25610-21sendmail_mailtr10:36:430
14929992421467,0cyclictest9-21ksoftirqd/007:46:430
14929992419554,0cyclictest3762-21munin-node11:06:440
14929992414597,0cyclictest0-21swapper08:22:030
14929992402536,0cyclictest32694-21cat10:56:420
14929992389243,0cyclictest12924-1kworker/0:1H09:06:440
14929992358218,0cyclictest12924-1kworker/0:1H09:16:430
14929992321560,0cyclictest9-21ksoftirqd/007:26:430
14929992321496,0cyclictest9109-21latency_hist08:16:430
14929992319419,0cyclictest14971-21munin-node10:06:430
14929992290503,0cyclictest9141-21cat11:21:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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