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2026-07-31 - 03:31
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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 Fri Jul 31, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31556233620sleep31557-21uname19:03:180
3215199265240cyclictest2774-21ssh21:40:010
3215199254226cyclictest12696-21ls22:22:590
3215199254187cyclictest11288-21ssh22:16:390
3215199253222cyclictest9904-21df00:33:030
3215199250225cyclictest5494-21sh21:51:580
3215199249222cyclictest7488-21ssh21:59:500
3215199248220cyclictest12979-21perl22:23:520
3215199248218cyclictest26612-21perl23:23:480
3215199247219cyclictest1806-21ssh23:57:520
3215199246213cyclictest29999-21fschecks_time23:38:430
3215199246213cyclictest14204-21irqstats22:29:110
3215199245220cyclictest8900-21runrttasks19:46:360
3215199244220cyclictest2980-21gmain00:25:550
3215199244216cyclictest19585-21rm22:53:120
3215199243213cyclictest20804-21if_eth020:38:240
3215199243213cyclictest15244-21perl22:33:520
3215199241213cyclictest16022-21latency_hist20:17:580
3215199241209cyclictest25052-21latency_hist23:18:110
3215199241174cyclictest27847-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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