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2026-07-22 - 09:09
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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 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Wed Jul 22, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151154480,0ktimers/0152291sleep19:14:260
155019947344,0cyclictest34-1kworker/0:1H+kblockd19:28:490
1514720,0ktimers/013881sleep22:12:500
155019947133,0cyclictest13128-21latency_hist23:53:370
1514680,0ktimers/0157111sleep00:14:400
1514660,0ktimers/041031sleep22:35:020
1514570,0ktimers/0191251sleep00:44:000
155019945538,0cyclictest16059-21munin-node19:23:530
1514470,0ktimers/077981sleep23:08:030
1514440,0ktimers/0109881sleep23:34:240
1514410,0ktimers/0238761sleep20:40:190
1514380,0ktimers/0159561sleep19:23:080
1514370,0ktimers/0118301sleep23:42:090
155019943229,0cyclictest27535-21diskmemload00:02:490
155019942730,0cyclictest3460-21snmpd21:54:050
155019941853,0cyclictest0-21swapper22:44:290
1514180,0ktimers/0123851sleep23:46:590
155019941654,0cyclictest4649-21ssh22:39:290
155019941591,0cyclictest31166-21cut21:48:590
155019941589,0cyclictest17807-21munin-node00:33:530
1514130,0ktimers/0219761sleep20:21:450
155019941247,0cyclictest32764-21cat22:03:370
155019941033,0cyclictest28701-21munin-run21:28:350
1514100,0ktimers/021481sleep22:18:460
525504090,0irq/11-sym53c8x130250irq/15-NE200019:43:280
1514080,0ktimers/0148361sleep00:08:130
1514060,0ktimers/0308771sleep21:47:200
155019940428,0cyclictest16743-21awk00:24:010
155019940270,0cyclictest3447-21mailstats22:29:050
155019940144,0cyclictest28133-21latency_hist21:23:330
1550199399109,0cyclictest8577-21tr23:13:510
1513990,0ktimers/0129391sleep23:51:550
155019939731,0cyclictest3274-21which22:28:450
1513970,0ktimers/0175221sleep00:30:310
155019939633,0cyclictest16161-21munin-node20:48:410
155019939631,0cyclictest18218-21sed19:43:370
155019939233,0cyclictest6364-21ssh22:54:450
155019938963,0cyclictest3729-21runrttasks23:27:410
155019938941,0cyclictest29970-21ssh21:38:540
155019938829,0cyclictest20624-21sendmail-msp20:08:350
155019938828,0cyclictest756-21sh22:07:290
155019938728,0cyclictest26335-21runrttasks21:05:050
155019938636,0cyclictest29555-21ssh21:34:260
155019938636,0cyclictest20715-21mailstats20:08:460
155019938632,0cyclictest23081-21munin-plugin-st20:33:290
155019938537,0cyclictest18949-21munin-run00:43:310
155019938432,0cyclictest1649-21tr22:14:060
155019938429,0cyclictest18786-21grep19:48:490
155019938334,0cyclictest26044-21munin-run21:03:300
155019938268,0cyclictest27535-21diskmemload22:52:330
155019938227,0cyclictest27402-21runrttasks21:16:170
155019938029,0cyclictest25467-21runrttasks20:57:050
155019937957,0cyclictest3729-21runrttasks21:33:250
155019937933,0cyclictest26629-21latency_hist21:08:420
1550199379104,0cyclictest0-21swapper00:22:490
1513780,0ktimers/0105051sleep23:30:170
155019937734,0cyclictest24558-21ls20:48:300
1550199375105,0cyclictest0-21swapper20:36:410
155019937329,0cyclictest8474-21date23:13:370
1513700,0ktimers/069711sleep22:59:340
155019936897,0cyclictest15429-21munin-run00:13:300
1550199368111,0cyclictest0-21swapper20:24:460
155019936430,0cyclictest3729-21runrttasks19:58:360
155019936396,0cyclictest0-21swapper19:35:160
155019936393,0cyclictest0-21swapper23:19:470
155019936143,0cyclictest21202-21munin-node20:13:400
155019936125,0cyclictest19617-21cron19:58:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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