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2026-07-12 - 04:39
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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 Sun Jul 12, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151155930,0ktimers/05981sleep19:13:170
1514870,0ktimers/021601sleep19:28:070
1514530,0ktimers/0102881sleep20:49:090
525504470,0irq/11-sym53c8x130250irq/15-NE200020:18:590
525504210,0irq/11-sym53c8x130250irq/15-NE200023:28:590
1514180,0ktimers/0293781sleep23:59:500
525504030,0irq/11-sym53c8x130250irq/15-NE200023:51:380
1302503940,0irq/15-NE200052550irq/11-sym53c8xx00:23:140
525503760,0irq/11-sym53c8x130250irq/15-NE200020:38:590
1513740,0ktimers/0227681sleep22:53:420
25058136522,0sleep151ktimers/023:18:050
525503590,0irq/11-sym53c8x130250irq/15-NE200020:08:590
1513540,0ktimers/024431sleep19:29:280
525503450,0irq/11-sym53c8x130250irq/15-NE200020:28:040
525503430,0irq/11-sym53c8x130250irq/15-NE200021:55:350
525503410,0irq/11-sym53c8x130250irq/15-NE200000:19:390
525503350,0irq/11-sym53c8x130250irq/15-NE200021:03:200
525503320,0irq/11-sym53c8x130250irq/15-NE200022:08:120
525503190,0irq/11-sym53c8x130250irq/15-NE200021:39:260
1302503180,0irq/15-NE200052550irq/11-sym53c8xx19:49:390
1302503180,0irq/15-NE200052550irq/11-sym53c8xx19:43:320
333013150,0sleep151ktimers/019:38:280
525503140,0irq/11-sym53c8x130250irq/15-NE200021:17:360
525503100,0irq/11-sym53c8x130250irq/15-NE200019:58:590
1512970,0ktimers/0197551sleep22:23:400
525502940,0irq/11-sym53c8x130250irq/15-NE200021:34:200
525502920,0irq/11-sym53c8x130250irq/15-NE200022:58:580
141312890,0sleep151ktimers/019:21:560
1302502820,0irq/15-NE200052550irq/11-sym53c8xx21:23:050
1302502800,0irq/15-NE200052550irq/11-sym53c8xx20:31:170
1302502780,0irq/15-NE200012998-21diskmemload22:43:240
1302502770,0irq/15-NE200052550irq/11-sym53c8xx00:28:580
525502760,0irq/11-sym53c8x130250irq/15-NE200020:18:080
1302502730,0irq/15-NE200052550irq/11-sym53c8xx00:14:150
1118812730,0sleep151ktimers/020:58:290
20829127028,0sleep3436-21nscd22:34:450
9989926592,0cyclictest581-21ssh00:38:120
525502640,0irq/11-sym53c8x130250irq/15-NE200023:53:380
1302502640,0irq/15-NE20001691-21sendmail00:48:090
1831612620,0sleep151ktimers/022:09:370
1302502590,0irq/15-NE200052550irq/11-sym53c8xx23:08:360
1302502590,0irq/15-NE20003439-21nscd00:38:280
21162125828,0sleep21171-21aten_r3power_cu22:38:230
1302502580,0irq/15-NE200052550irq/11-sym53c8xx20:08:040
1302502580,0irq/15-NE200027220-21ssh23:39:450
1302502570,0irq/15-NE200027770-21ls23:43:330
525502560,0irq/11-sym53c8x30069-21cron00:08:050
525502560,0irq/11-sym53c8x10013-21cron20:48:070
1302502560,0irq/15-NE200026679-21open_inodes23:33:180
1302502550,0irq/15-NE200022027-21latency_hist22:48:190
1302502550,0irq/15-NE200011861-21sendmail-mta21:08:270
525502540,0irq/11-sym53c8x19522-21cron22:23:050
1512540,0ktimers/017271-21ssh21:59:270
1302502540,0irq/15-NE200015996-21awk21:48:060
1302502520,0irq/15-NE200023692-21mailstats23:03:210
1302502510,0irq/15-NE20008538-21sendmail-mta20:34:160
1302502510,0irq/15-NE200052550irq/11-sym53c8xx19:38:040
1302502510,0irq/15-NE200030047-21ssh00:09:130
1302502510,0irq/15-NE200025661-21ssh23:23:370
1302502510,0irq/15-NE200016106-21date21:48:220
1302502510,0irq/15-NE200013990-21latency_hist21:28:120
99899249125,0cyclictest18742-21grep22:13:330
1302502490,0irq/15-NE200020360-21ssh22:31:190
1302502470,0irq/15-NE200025575-21cat23:23:100
1302502460,0irq/15-NE200010748-21runrttasks20:53:370
1302502410,0irq/15-NE20003460-21snmpd19:53:420
525502390,0irq/11-sym53c8x0-21swapper21:28:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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