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2026-09-04 - 12:22
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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 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Fri Sep 04, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151270,0ktimers/0120891sleep19:17:540
1514630,0ktimers/0141101sleep19:30:300
525504580,0irq/11-sym53c8x130250irq/15-NE200023:10:330
1514560,0ktimers/044051sleep00:35:210
1514470,0ktimers/031141sleep00:27:310
525504460,0irq/11-sym53c8x130250irq/15-NE200023:27:360
1514400,0ktimers/068731sleep00:50:310
1514390,0ktimers/0203741sleep19:57:570
1514050,0ktimers/0323091sleep20:53:080
525504020,0irq/11-sym53c8x130250irq/15-NE200000:24:190
525503960,0irq/11-sym53c8x130250irq/15-NE200023:10:580
525503930,0irq/11-sym53c8x130250irq/15-NE200021:05:490
1513630,0ktimers/0129911sleep22:05:560
1513590,0ktimers/067611sleep21:28:110
1513560,0ktimers/0298891sleep23:52:500
525503550,0irq/11-sym53c8x130250irq/15-NE200021:56:120
1513480,0ktimers/07471sleep00:15:280
1513470,0ktimers/0135741sleep19:25:500
525503380,0irq/11-sym53c8x130250irq/15-NE200021:00:150
1302503340,0irq/15-NE200052550irq/11-sym53c8xx23:50:270
1226099334197,0cyclictest18919-21latency_hist22:45:260
1513280,0ktimers/09781sleep00:16:230
525503270,0irq/11-sym53c8x130250irq/15-NE200023:02:360
525503240,0irq/11-sym53c8x130250irq/15-NE200021:13:260
525503190,0irq/11-sym53c8x130250irq/15-NE200022:16:120
1302503170,0irq/15-NE200052550irq/11-sym53c8xx21:44:180
1226099312178,0cyclictest22681-21munin-run20:10:230
1226099312175,0cyclictest48-21kswapd023:21:140
1513110,0ktimers/0120001sleep22:00:390
1302503090,0irq/15-NE200052550irq/11-sym53c8xx23:40:370
1226099307160,0cyclictest34-1kworker/0:1H+kblockd22:50:440
1226099303167,0cyclictest7866-21sh21:36:150
1226099302143,0cyclictest7450-21chrt21:33:540
1226099302138,0cyclictest19793-21ssh22:50:230
1226099299169,0cyclictest31188-21ssh00:00:490
1226099296190,0cyclictest32106-21chrt00:05:480
1302502950,0irq/15-NE200052550irq/11-sym53c8xx23:36:130
1226099295144,0cyclictest31066-21ssh00:00:270
1302502930,0irq/15-NE200052550irq/11-sym53c8xx21:25:150
1226099293153,0cyclictest20725-21grep22:56:400
525502920,0irq/11-sym53c8x130250irq/15-NE200022:24:570
1226099292172,0cyclictest13840-21ssh22:10:450
1226099292148,0cyclictest34-1kworker/0:1H+kblockd20:10:350
1226099290139,0cyclictest0-21swapper23:33:080
1302502880,0irq/15-NE200052550irq/11-sym53c8xx00:37:220
1226099287166,0cyclictest5526-21wc00:42:120
1226099285153,0cyclictest27413-21df_inode20:31:220
1226099285147,0cyclictest16415-21sshd19:40:550
1226099285127,0cyclictest16439-21ssh22:27:140
1226099284150,0cyclictest12350-21munin-node19:20:310
1302502830,0irq/15-NE200052550irq/11-sym53c8xx21:50:460
1226099283146,0cyclictest25339-21nfs_client20:21:340
1226099282151,0cyclictest0-21swapper19:36:390
1226099281161,0cyclictest5178-21cut21:20:270
1226099281148,0cyclictest5125-21diskmemload22:38:040
1226099281105,0cyclictest3460-21snmpd20:45:340
1226099280183,0cyclictest34-1kworker/0:1H+kblockd20:25:320
1226099280157,0cyclictest24283-21ssh23:19:510
1226099276154,0cyclictest10242-21chrt21:49:180
1226099276134,0cyclictest17422-21grep19:45:350
1226099275178,0cyclictest21019-21nfs_client20:01:310
1226099275156,0cyclictest28583-21chrt20:36:260
1226099274148,0cyclictest18541-21mailstats19:50:470
1226099273144,0cyclictest24889-21sort20:20:210
1302502700,0irq/15-NE200052550irq/11-sym53c8xx22:35:320
1226099266171,0cyclictest3460-21snmpd21:01:340
1226099266144,0cyclictest130250irq/15-NE200020:40:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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