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2025-04-02 - 04:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Wed Apr 02, 2025 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152630,0ktimers/042611sleep19:07:540
1514430,0ktimers/0203581sleep23:20:210
1514420,0ktimers/0233681sleep23:36:260
1514350,0ktimers/0196971sleep20:25:260
443399402334,0cyclictest9-21kworker/0:1+events00:26:200
1513680,0ktimers/0310141sleep00:17:020
530503650,0irq/11-sym53c8x130550irq/15-NE200021:27:450
1513510,0ktimers/0183321sleep20:17:160
530503480,0irq/11-sym53c8x130550irq/15-NE200020:41:190
1513230,0ktimers/0255091sleep23:50:250
443399321171,0cyclictest11012-21cut22:30:310
443399311132,0cyclictest29363-21apt-get00:10:570
1305503100,0irq/15-NE200053050irq/11-sym53c8xx20:06:210
443399301234,0cyclictest25776-21wget20:56:120
443399299232,0cyclictest19004-21aten_r3power_en23:12:000
443399299162,0cyclictest19024-21munin-node20:21:320
443399295163,0cyclictest26596-21munin-node21:02:100
530502930,0irq/11-sym53c8x130550irq/15-NE200019:50:160
443399293156,0cyclictest14010-21ntp_states19:55:490
443399292194,0cyclictest1596-21needreboot21:36:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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