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2026-03-31 - 17:13
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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 376 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Tue Mar 31, 2026 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151000,0ktimers/0181961sleep07:11:370
1835199535106,0cyclictest26739-21apt-get10:54:420
183519947198,0cyclictest25673-21ssh10:49:110
1835199467102,0cyclictest22921-21cpu10:30:250
1835199465115,0cyclictest0-21swapper08:52:490
1514620,0ktimers/069561sleep12:15:280
1514620,0ktimers/0111181sleep12:40:530
1514610,0ktimers/0153421sleep09:39:160
1514600,0ktimers/0209301sleep10:18:250
1514560,0ktimers/0291121sleep11:09:430
525504520,0irq/11-sym53c8x130250irq/15-NE200009:04:260
525504500,0irq/11-sym53c8x130250irq/15-NE200009:55:240
183519944999,0cyclictest12640-21ssh09:20:460
1835199448116,0cyclictest0-21swapper11:26:190
1514480,0ktimers/0170311sleep09:50:590
1835199444126,0cyclictest3729-21runrttasks11:14:100
1835199444108,0cyclictest0-21swapper08:17:300
1514440,0ktimers/0240891sleep10:39:010
1835199443110,0cyclictest3167-21cpu08:34:480
1835199440121,0cyclictest4200-21ssh11:59:090
1835199440118,0cyclictest9600-21ssh12:31:020
1514390,0ktimers/056081sleep12:08:450
1514390,0ktimers/0324811sleep11:32:590
1835199438127,0cyclictest0-21swapper08:57:570
1835199438116,0cyclictest8521-21ssh12:24:160
1514350,0ktimers/062641sleep12:11:070
1302504350,0irq/15-NE200052550irq/11-sym53c8xx09:44:560
1835199434112,0cyclictest19214-21ssh10:06:280
1514330,0ktimers/0297331sleep08:06:540
183519943280,0cyclictest0-21swapper11:20:560
1835199430118,0cyclictest0-21swapper07:28:450
1835199430110,0cyclictest1621-21cron11:43:450
1514270,0ktimers/0215821sleep10:20:580
183519942689,0cyclictest10494-21munin-node09:09:160
1835199426108,0cyclictest19435-21munin-node07:18:540
1835199426108,0cyclictest0-21swapper11:07:400
183519942597,0cyclictest5045-21latency_hist08:43:560
183519942546,0cyclictest28405-21date11:04:110
183519942297,0cyclictest18328-21latencyplot07:19:090
1835199422118,0cyclictest28569-21chrt08:00:400
1835199421108,0cyclictest26208-21ls07:50:210
1835199421105,0cyclictest7710-21apt-get12:19:420
1835199420109,0cyclictest18348-21cyclictest08:24:050
183519941989,0cyclictest18348-21cyclictest07:29:540
1835199419118,0cyclictest0-21swapper09:15:320
1835199419107,0cyclictest0-21swapper09:29:220
1514190,0ktimers/0222971sleep10:26:410
1835199418102,0cyclictest3958-21ssh11:57:310
183519941686,0cyclictest1046-21cat11:38:580
183519941599,0cyclictest18348-21cyclictest09:03:530
183519941498,0cyclictest2285-21ssh11:46:080
183519941485,0cyclictest18348-21cyclictest08:20:220
1835199414113,0cyclictest0-21swapper09:36:370
1835199413113,0cyclictest24432-21munin-run07:43:510
183519941299,0cyclictest0-21swapper10:12:130
183519941178,0cyclictest0-21swapper09:26:390
1835199410109,0cyclictest0-21swapper10:02:040
1835199410103,0cyclictest0-21swapper11:49:560
1835199409108,0cyclictest0-21swapper10:47:090
1835199408115,0cyclictest0-21swapper07:35:240
183519940740,0cyclictest30336-21chrt08:10:000
183519940695,0cyclictest0-21swapper10:42:210
183519940632,0cyclictest2398-21sort08:30:230
183519940189,0cyclictest5897-21runrttasks08:45:450
183519940092,0cyclictest0-21swapper12:36:480
1835199400110,0cyclictest0-21swapper07:58:450
1835199384116,0cyclictest24639-21tr07:44:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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