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2026-05-06 - 21:32
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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 Wed May 06, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/027789-21kworker/0:207:04:220
300469815414cyclictest8961-21munin-node07:44:150
300469815312cyclictest13773-21df07:59:160
300469815114cyclictest18434-21aten2.4-expect08:14:170
300469814812cyclictest3135-21aten2.4_r3power10:54:230
14991340watchdog/02792-21runrttasks07:21:500
14991080watchdog/02792-21runrttasks09:50:340
14991040watchdog/02792-21runrttasks11:42:540
2234501020irq/11-eth017729-21seq09:56:250
14991020watchdog/02792-21runrttasks10:14:540
14991010watchdog/02792-21runrttasks09:25:340
14991010watchdog/027455-21seq08:44:060
456129911sleep04622-21nfs_client07:29:290
223450990irq/11-eth010342sleep009:03:500
1499990watchdog/05435-21runrttasks11:01:580
1499980watchdog/08958-21sendmail_mailst09:29:100
1499980watchdog/04864-21needreboot09:14:300
1499980watchdog/02792-21runrttasks09:48:260
1499980watchdog/022416-21runrttasks11:57:140
1499970watchdog/02792-21runrttasks11:59:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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