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2026-07-07 - 16:33
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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 100 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Tue Jul 07, 2026 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151154840,0ktimers/0190101sleep07:13:520
1514760,0ktimers/0296141sleep11:02:460
1514740,0ktimers/0168091sleep09:46:320
525504600,0irq/11-sym53c8x130250irq/15-NE200011:13:250
525504430,0irq/11-sym53c8x130250irq/15-NE200008:03:230
525504390,0irq/11-sym53c8x130250irq/15-NE200007:34:440
1514300,0ktimers/0174221sleep09:51:240
525504180,0irq/11-sym53c8x130250irq/15-NE200012:24:310
1514060,0ktimers/0152621sleep09:38:210
1514040,0ktimers/0324291chrt08:22:530
525504020,0irq/11-sym53c8x130250irq/15-NE200012:04:100
1514010,0ktimers/027181sleep11:32:320
1513900,0ktimers/0240741sleep10:28:550
525503840,0irq/11-sym53c8x130250irq/15-NE200011:54:240
525503770,0irq/11-sym53c8x130250irq/15-NE200012:17:030
525503750,0irq/11-sym53c8x130250irq/15-NE200012:29:280
1513750,0ktimers/0252461sleep10:37:080
1513750,0ktimers/0203371sleep10:07:410
525503630,0irq/11-sym53c8x130250irq/15-NE200008:54:500
1513600,0ktimers/0132211sleep12:33:560
1933099354169,0cyclictest13830-21grep09:30:010
525503470,0irq/11-sym53c8x130250irq/15-NE200010:13:240
525503420,0irq/11-sym53c8x130250irq/15-NE200012:47:240
525503370,0irq/11-sym53c8x130250irq/15-NE200012:39:280
1933099333157,0cyclictest3453-21awk08:39:050
1933099332168,0cyclictest20487-21sort10:08:180
1933099330190,0cyclictest21914-21grep07:29:420
1933099330165,0cyclictest23306-21sed10:24:340
1933099330144,0cyclictest19555-21chrt07:18:260
1933099329172,0cyclictest17844-21apt-get09:54:090
1933099328197,0cyclictest11349-21apt09:17:550
525503270,0irq/11-sym53c8x130250irq/15-NE200007:51:400
1933099327119,0cyclictest9470-21sh09:07:540
1933099323151,0cyclictest24423-21latency_hist07:43:030
1933099323122,0cyclictest9224-21switchtime12:09:540
1933099320141,0cyclictest11348-21diskmemload11:42:540
1933099316152,0cyclictest1082-21sendmail-msp08:27:590
1933099316141,0cyclictest13288-21grep09:28:100
525503150,0irq/11-sym53c8x130250irq/15-NE200009:23:030
1933099309149,0cyclictest8126-21aten_r3power_en08:59:420
1933099308190,0cyclictest3432-21nscd10:38:570
1933099308124,0cyclictest18614-21ssh09:58:180
1933099307175,0cyclictest6229-21cron08:52:530
1933099306158,0cyclictest48-21kswapd008:13:280
1933099306148,0cyclictest30938-21munin-node11:09:220
1933099306148,0cyclictest29958-21cat08:09:080
1933099306143,0cyclictest27722-21sshd10:52:100
1302503060,0irq/15-NE200052550irq/11-sym53c8xx07:53:040
1933099305202,0cyclictest10268-21ls09:12:540
1933099305162,0cyclictest48-21kswapd010:53:470
1933099303166,0cyclictest34-1kworker/0:1H+kblockd11:18:190
1933099301172,0cyclictest2950-21irqstats11:33:240
1933099301165,0cyclictest894-21jbd2/sda1-812:03:030
1933099300132,0cyclictest23805-21awk07:39:140
1933099299156,0cyclictest22568-21ssh10:20:060
1933099299144,0cyclictest15008-21runrttasks09:37:060
1933099299112,0cyclictest1461-21sh11:24:540
1933099297168,0cyclictest4204-21mailstats08:43:170
1933099296156,0cyclictest26521-21ssh10:43:480
1302502960,0irq/15-NE200052550irq/11-sym53c8xx08:33:100
1933099295139,0cyclictest11186-21ssh12:23:080
1933099294157,0cyclictest3460-21snmpd08:32:400
1933099291126,0cyclictest21074-21apt07:27:540
1933099290125,0cyclictest5594-21chrt11:50:020
1933099289137,0cyclictest28396-21latency_hist08:02:570
1933099288144,0cyclictest4860-21ssh11:43:560
1933099287127,0cyclictest3460-21snmpd11:05:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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