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2026-04-07 - 02:59
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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 Tue Apr 07, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3007995275625,0cyclictest10966-21ssh22:59:220
151151540,0ktimers/023461sleep19:09:420
525504640,0irq/11-sym53c8x130250irq/15-NE200023:19:030
525504640,0irq/11-sym53c8x130250irq/15-NE200020:59:360
525504340,0irq/11-sym53c8x130250irq/15-NE200000:29:320
1514280,0ktimers/0205261sleep00:04:290
1514250,0ktimers/0174921sleep23:42:310
525504110,0irq/11-sym53c8x130250irq/15-NE200022:31:320
525504080,0irq/11-sym53c8x130250irq/15-NE200022:13:410
525504010,0irq/11-sym53c8x130250irq/15-NE200020:19:330
1513980,0ktimers/079941sleep22:39:240
525503940,0irq/11-sym53c8x130250irq/15-NE200023:29:030
1513940,0ktimers/0121321sleep23:08:570
1302503930,0irq/15-NE200052550irq/11-sym53c8xx22:04:180
525503880,0irq/11-sym53c8x130250irq/15-NE200000:14:050
1513820,0ktimers/0198701sleep20:35:270
525503800,0irq/11-sym53c8x130250irq/15-NE200023:19:370
525503740,0irq/11-sym53c8x130250irq/15-NE200022:36:020
1513720,0ktimers/0147521sleep20:09:360
1302503720,0irq/15-NE200027172-21kworker/u4:0+xprtiod22:51:260
1513680,0ktimers/091321sleep22:49:110
1513600,0ktimers/0286851sleep21:25:300
300799356288,0cyclictest182331sleep20:28:110
3229135142,0sleep151ktimers/019:14:360
525503500,0irq/11-sym53c8x130250irq/15-NE200022:04:330
1302503430,0irq/15-NE200052550irq/11-sym53c8xx00:24:440
525503370,0irq/11-sym53c8x130250irq/15-NE200021:34:590
1513340,0ktimers/0105211sleep22:55:570
1513320,0ktimers/0300641sleep21:32:360
1513320,0ktimers/0219351sleep00:15:340
300799306240,0cyclictest3005-21cyclictest23:52:590
1302502970,0irq/15-NE200052550irq/11-sym53c8xx21:57:080
1149912920,0sleep151ktimers/019:54:340
525502870,0irq/11-sym53c8x130250irq/15-NE200022:24:510
525502850,0irq/11-sym53c8x130250irq/15-NE200023:54:280
1302502840,0irq/15-NE200015980-21aten_r3power_cu23:34:310
1302502830,0irq/15-NE200052550irq/11-sym53c8xx00:40:000
1302502800,0irq/15-NE200052550irq/11-sym53c8xx22:23:530
1302502800,0irq/15-NE200011917-21kworker/u4:1+xprtiod00:04:230
1302502770,0irq/15-NE200027056-21ssh21:15:280
525502760,0irq/11-sym53c8x130250irq/15-NE200023:33:480
1302502740,0irq/15-NE200052550irq/11-sym53c8xx22:14:590
1302502730,0irq/15-NE200052550irq/11-sym53c8xx20:06:150
1302502720,0irq/15-NE200052550irq/11-sym53c8xx19:39:370
1302502700,0irq/15-NE200022986-21sshd20:53:190
1302502700,0irq/15-NE200013440-21munin-run20:04:070
22740126725,0sleep22736-21ssh00:19:430
525502650,0irq/11-sym53c8x25194-21sendmail_mailst00:34:400
1302502650,0irq/15-NE200052550irq/11-sym53c8xx21:24:140
32374126028,0sleep32382-21cat21:49:110
1302502600,0irq/15-NE2000456-21chrt21:53:390
1302502590,0irq/15-NE200052550irq/11-sym53c8xx19:44:330
10637125925,0sleep10640-21switchtime19:50:110
1302502580,0irq/15-NE200031744-21munin-run21:44:100
1302502570,0irq/15-NE20007790-21chrt19:35:510
1302502570,0irq/15-NE200026304-21sed21:10:220
1302502570,0irq/15-NE200023127-21grep20:54:120
1302502530,0irq/15-NE200012599-21ssh23:10:510
525502520,0irq/11-sym53c8x18602-21runrttasks20:29:580
1302502520,0irq/15-NE20003435-21nscd23:46:380
1302502510,0irq/15-NE200016069-21cat20:15:130
1302502490,0irq/15-NE20006623-21missed_timers19:30:440
1302502490,0irq/15-NE200021521-21latency_hist20:44:160
1302502480,0irq/15-NE20004854-21munin-node19:24:140
1302502480,0irq/15-NE20003465-21lldpd19:28:580
525502470,0irq/11-sym53c8x25615-21chrt21:05:450
1302502380,0irq/15-NE200021902-21sshd20:48:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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