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2026-04-17 - 23:21
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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 50 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Fri Apr 17, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152580,0ktimers/0242121sleep07:10:080
1514700,0ktimers/0268881sleep10:20:210
1514690,0ktimers/0183191sleep09:24:450
525504590,0irq/11-sym53c8x130250irq/15-NE200010:32:510
1514510,0ktimers/0122751sleep12:18:070
1514490,0ktimers/0311101sleep10:49:550
249119943945,0cyclictest24794-21chrt10:04:390
1514350,0ktimers/0324491sleep10:59:080
1514330,0ktimers/0306901sleep10:46:540
525504280,0irq/11-sym53c8x130250irq/15-NE200012:29:510
2491199416116,0cyclictest62001chrt11:40:250
249119941137,0cyclictest24930-21latency_hist10:04:590
1514110,0ktimers/0218671sleep09:48:290
1514110,0ktimers/0187811sleep09:28:270
525504060,0irq/11-sym53c8x130250irq/15-NE200011:04:400
1514020,0ktimers/0222491sleep09:50:300
2491199401127,0cyclictest0-21swapper08:25:200
525504000,0irq/11-sym53c8x130250irq/15-NE200011:59:510
1514000,0ktimers/0281961sleep10:29:360
249119939637,0cyclictest4227-21mailstats11:29:540
249119939637,0cyclictest27596-21mailstats07:29:460
249119939567,0cyclictest2146-21runrttasks11:15:180
249119939174,0cyclictest9134-21ssh11:57:310
249119939135,0cyclictest0-21swapper11:50:180
249119938928,0cyclictest13523-21ssh12:28:190
2491199388108,0cyclictest15636-21sshd12:39:550
249119938778,0cyclictest0-21swapper12:07:200
1513870,0ktimers/0294851sleep07:37:180
525503860,0irq/11-sym53c8x130250irq/15-NE200008:20:540
1513860,0ktimers/038671sleep08:09:510
1513860,0ktimers/0203751sleep09:39:040
1513860,0ktimers/0115941sleep08:50:260
2491199385115,0cyclictest0-21swapper11:46:120
249119938459,0cyclictest1047-21needreboot07:55:560
249119938434,0cyclictest27016-21cut07:25:300
1513830,0ktimers/0107361chrt12:09:570
249119938272,0cyclictest30958-21apt-get07:45:120
249119938272,0cyclictest0-21swapper07:19:300
249119938238,0cyclictest0-21swapper10:15:550
249119938131,0cyclictest20982-21vmstat09:41:270
1513810,0ktimers/0299141sleep07:40:200
249119937954,0cyclictest10572-21ls08:44:470
249119937886,0cyclictest23343-21ssh09:56:150
249119937788,0cyclictest0-21swapper08:40:590
249119937725,0cyclictest15395-21ssh12:38:350
249119937688,0cyclictest48-21kswapd008:31:240
249119937554,0cyclictest3094-21nfs_client08:05:500
249119937434,0cyclictest14228-21hostname09:01:150
249119937334,0cyclictest9118-21awk08:35:500
249119937323,0cyclictest15814-21nfs_client09:10:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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