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2025-12-10 - 09:26
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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 Dec 10, 2025 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151700,0ktimers/0241651sleep18:51:260
1514660,0ktimers/0130301sleep23:06:180
1514600,0ktimers/0203221sleep21:07:220
1514460,0ktimers/068451sleep22:36:190
2510399443388,0cyclictest231611sleep23:52:150
1514060,0ktimers/0143311sleep20:37:410
527503920,0irq/11-sym53c8x130150irq/15-NE200000:02:170
1513680,0ktimers/0143221sleep23:11:560
1513580,0ktimers/0148831sleep20:41:240
1513490,0ktimers/0292711sleep00:22:010
1513460,0ktimers/055771sleep22:29:470
2510399344289,0cyclictest0-21swapper19:03:090
1513410,0ktimers/027721sleep22:17:080
2510399338283,0cyclictest0-21swapper23:25:120
527503360,0irq/11-sym53c8x130150irq/15-NE200021:06:130
2510399336282,0cyclictest0-21swapper22:03:440
2510399335281,0cyclictest0-21swapper19:29:010
2510399335280,0cyclictest0-21swapper20:28:560
2510399330276,0cyclictest0-21swapper00:14:390
527503280,0irq/11-sym53c8x130150irq/15-NE200019:26:090
2510399328273,0cyclictest0-21swapper21:19:000
2510399327272,0cyclictest0-21swapper23:04:120
1513240,0ktimers/0284751sleep00:17:410
2510399315259,0cyclictest0-21swapper21:38:080
2510399312257,0cyclictest0-21swapper20:08:240
1301503120,0irq/15-NE200052750irq/11-sym53c8xx22:56:420
2510399306252,0cyclictest0-21swapper00:08:310
527503050,0irq/11-sym53c8x130150irq/15-NE200022:43:040
1301503030,0irq/15-NE200052750irq/11-sym53c8xx19:36:510
2510399295153,0cyclictest25267-21chrt18:56:270
527502910,0irq/11-sym53c8x130150irq/15-NE200022:21:150
2510399286145,0cyclictest23677-21awk21:22:590
2510399282193,0cyclictest28142-21tr19:11:330
2510399278124,0cyclictest29614-21sort21:51:360
2510399275112,0cyclictest12746-21munin-node20:31:240
2510399274147,0cyclictest25101-21cyclictest20:56:120
251039927196,0cyclictest20-21rcuc/023:51:060
527502700,0irq/11-sym53c8x130150irq/15-NE200023:37:050
2510399266101,0cyclictest18466-21df_inode20:57:270
1512660,0ktimers/094971sleep20:16:260
2510399265123,0cyclictest1630-21nscd19:46:070
2510399264115,0cyclictest6079-21cron20:01:080
2510399262151,0cyclictest0-21swapper22:11:060
2510399259123,0cyclictest25101-21cyclictest19:46:280
2510399259105,0cyclictest29235-21mailstats19:16:380
2510399257186,0cyclictest8663-21awk20:12:120
2510399255107,0cyclictest27944-21chrt19:11:070
292501253106,0sleep0-21swapper21:48:460
2510399252111,0cyclictest24207-21grep23:57:120
1512520,0ktimers/0179321sleep23:27:400
527502510,0irq/11-sym53c8x130150irq/15-NE200019:51:290
2510399246134,0cyclictest1658-21aten_r3power_vo22:12:050
2510399246110,0cyclictest0-21swapper23:41:240
251039924581,0cyclictest15937-21munin-node20:47:430
251039924396,0cyclictest32365-21latency_hist19:31:190
2510399243134,0cyclictest21270-21sed21:11:560
2510399243129,0cyclictest1654-21snmpd20:26:070
251039924098,0cyclictest30700-21ntpq21:56:360
251039924096,0cyclictest25285-21apt-get21:31:470
251039923896,0cyclictest35-1kworker/0:1H+kblockd21:26:360
2510399237152,0cyclictest19151-21missed_timers23:32:500
2510399237146,0cyclictest6745-21basename22:36:070
251039923560,0cyclictest20-21rcuc/021:43:420
2510399235103,0cyclictest0-21swapper22:53:010
251039923497,0cyclictest6916-21aten_r3power_en20:03:060
251039923465,0cyclictest20-21rcuc/022:49:420
2510399219125,0cyclictest15567-21sh23:17:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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