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2026-03-18 - 20:54
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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 Wed Mar 18, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150920,0ktimers/0298621sleep07:08:290
1514850,0ktimers/0106601sleep11:28:160
525504610,0irq/11-sym53c8x130250irq/15-NE200008:03:220
1514550,0ktimers/0196281sleep12:26:210
525504510,0irq/11-sym53c8x130250irq/15-NE200008:28:530
1514480,0ktimers/0229811sleep09:21:560
525504370,0irq/11-sym53c8x130250irq/15-NE200007:43:310
525504360,0irq/11-sym53c8x130250irq/15-NE200008:33:300
525504340,0irq/11-sym53c8x130250irq/15-NE200009:38:310
1514240,0ktimers/084301chrt08:08:120
525504150,0irq/11-sym53c8x130250irq/15-NE200010:03:210
525504140,0irq/11-sym53c8x130250irq/15-NE200010:59:080
1514100,0ktimers/048571sleep10:54:400
1513950,0ktimers/056631sleep07:54:260
525503910,0irq/11-sym53c8x130250irq/15-NE200012:03:240
525503800,0irq/11-sym53c8x130250irq/15-NE200007:38:420
1513750,0ktimers/0251971sleep09:37:300
525503720,0irq/11-sym53c8x130250irq/15-NE200010:33:420
3076899365149,0cyclictest31840-21latency_hist07:18:190
3076899360111,0cyclictest4818-21open_files07:49:190
525503530,0irq/11-sym53c8x130250irq/15-NE200009:17:490
525503520,0irq/11-sym53c8x130250irq/15-NE200008:58:500
3076899344179,0cyclictest34-1kworker/0:1H+kblockd12:03:370
3076899342121,0cyclictest3460-21snmpd10:18:480
1513380,0ktimers/0163671sleep08:48:440
1302503340,0irq/15-NE200052550irq/11-sym53c8xx09:07:030
525503310,0irq/11-sym53c8x130250irq/15-NE200008:16:150
3076899329139,0cyclictest661-21aten_r3power_cu10:28:400
3076899327113,0cyclictest17061-21ssh12:10:000
1513270,0ktimers/0173871sleep08:53:320
3076899326172,0cyclictest2922-21cron10:43:110
3076899324184,0cyclictest23742-21basename09:28:130
3076899324143,0cyclictest24365-21ssh09:33:190
3076899324123,0cyclictest9374-21ssh11:19:080
3076899323134,0cyclictest3729-21runrttasks08:44:150
3076899322117,0cyclictest21940-21ssh12:40:200
3076899321149,0cyclictest14843-21kernelversion08:39:430
3076899320157,0cyclictest10917-21chrt11:29:060
3076899320147,0cyclictest19960-21cat12:28:360
3076899319152,0cyclictest6717-21chrt11:04:430
3076899314115,0cyclictest27897-21ssh09:53:440
3076899313156,0cyclictest3729-21runrttasks12:20:180
3076899313140,0cyclictest20724-21chrt09:08:590
3076899312144,0cyclictest10665-21cat08:18:210
3076899311207,0cyclictest29258-21latency_hist10:03:410
3076899311142,0cyclictest14584-21sh11:54:520
3076899310199,0cyclictest2736-21latency_hist07:38:190
1302503100,0irq/15-NE200052550irq/11-sym53c8xx10:25:350
3076899308177,0cyclictest3677-21ssh10:48:340
3076899308146,0cyclictest7536-21ssh11:09:070
3076899308138,0cyclictest9189-21sendmail_mailtr11:18:280
3076899306173,0cyclictest12444-21chrt11:39:050
3076899306148,0cyclictest3460-21snmpd11:53:310
3076899305155,0cyclictest1490-21wget07:29:080
3076899305155,0cyclictest11741-21ssh11:33:500
3076899304174,0cyclictest710-21processes07:24:460
3076899303163,0cyclictest3062-21sort10:43:360
3076899303156,0cyclictest894-21jbd2/sda1-810:08:350
3076899303152,0cyclictest26868-21chrt09:48:220
3076899301131,0cyclictest17634-21rm12:14:000
3076899301131,0cyclictest13228-21cat11:43:360
3076899300196,0cyclictest12093-21cron08:28:100
3076899300177,0cyclictest8648-21munin-node08:08:410
3076899298156,0cyclictest27739-21munin-run09:53:180
3076899297179,0cyclictest3460-21snmpd12:36:040
3076899297144,0cyclictest21562-21ntpd07:18:540
3076899292122,0cyclictest31168-21chrt10:15:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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