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2026-04-24 - 09:10
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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 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Fri Apr 24, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152820,0ktimers/0209651sleep19:11:130
525504610,0irq/11-sym53c8x130250irq/15-NE200019:26:380
1514580,0ktimers/0215251sleep22:10:280
1514530,0ktimers/0287461sleep19:51:290
1514480,0ktimers/025731sleep23:41:370
1514170,0ktimers/0320431sleep20:08:120
525503990,0irq/11-sym53c8x130250irq/15-NE200000:44:580
1513950,0ktimers/05551sleep23:29:570
525503900,0irq/11-sym53c8x130250irq/15-NE200020:00:220
1513860,0ktimers/0156381sleep21:35:190
1513780,0ktimers/0136891sleep21:22:320
1302503650,0irq/15-NE200052550irq/11-sym53c8xx19:44:580
2120699362303,0cyclictest72231sleep00:14:300
525503440,0irq/11-sym53c8x130250irq/15-NE200021:31:180
2120699342168,0cyclictest20105-21df22:01:140
525503400,0irq/11-sym53c8x130250irq/15-NE200023:24:550
1513300,0ktimers/0103591sleep00:32:140
2120699324181,0cyclictest1845-21apt20:19:480
2120699320163,0cyclictest5178-21cron23:59:490
2120699320140,0cyclictest16476-21ssh21:40:120
2120699319115,0cyclictest30022-21cut19:56:360
2120699318168,0cyclictest3460-21snmpd22:25:250
2120699316123,0cyclictest10799-21ssh00:35:320
2120699315153,0cyclictest5606-21ssh00:03:040
2120699315115,0cyclictest8420-21ssh00:20:400
2120699314107,0cyclictest24965-21apt-get22:35:520
1302503120,0irq/15-NE200052550irq/11-sym53c8xx00:16:270
525503110,0irq/11-sym53c8x130250irq/15-NE200019:46:460
1513090,0ktimers/0307951sleep23:14:280
2120699308204,0cyclictest26531-21cron22:44:470
2120699308145,0cyclictest9867-21runrttasks21:01:000
2120699306179,0cyclictest17335-21munin-node21:45:180
2120699306157,0cyclictest19205-21sh21:56:120
1302503050,0irq/15-NE200052550irq/11-sym53c8xx23:33:300
2120699304132,0cyclictest28079-21df22:56:080
2120699304127,0cyclictest14116-21runrttasks21:25:320
2120699304111,0cyclictest12354-21diskmemload23:01:360
2120699303182,0cyclictest130250irq/15-NE200019:24:540
1302503030,0irq/15-NE200052550irq/11-sym53c8xx20:30:440
2120699302174,0cyclictest3644-21munin-run23:49:490
2120699302134,0cyclictest25763-21pluginstate19:36:160
1513010,0ktimers/032131sleep20:25:390
525502990,0irq/11-sym53c8x130250irq/15-NE200020:49:500
2120699298180,0cyclictest20863-21runrttasks22:05:180
2120699297160,0cyclictest8596-21df20:55:360
2120699296155,0cyclictest11496-21ntpq21:10:180
2120699296104,0cyclictest18860-21ssh21:54:560
1512950,0ktimers/0322401sleep20:09:580
2120699294158,0cyclictest4649-21latency_hist20:34:570
2120699294151,0cyclictest22295-21munin-node19:19:500
2120699294139,0cyclictest12862-21ssh21:18:340
2120699293168,0cyclictest31177-21sh23:17:050
2120699292166,0cyclictest22644-21ssh22:17:500
2120699292137,0cyclictest8074-21basename20:51:440
2120699291190,0cyclictest11025-21awk21:06:120
2120699291155,0cyclictest2742-21chrt20:21:460
2120699291132,0cyclictest6360-21chrt00:09:240
2120699291121,0cyclictest363-21kworker/u4:0+rpciod23:53:370
2120699290131,0cyclictest29912-21sh23:09:480
2120699288127,0cyclictest6444-21sh20:44:480
2120699287133,0cyclictest0-21swapper19:30:090
2120699285127,0cyclictest27171-21ssh22:49:520
2120699285123,0cyclictest23090-21sshd22:21:120
2120699284157,0cyclictest1713-21sshd23:36:120
2120699283123,0cyclictest27413-21ssh22:51:120
2120699282131,0cyclictest24302-21ssh22:30:520
2120699282123,0cyclictest9204-21cat00:25:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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