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2025-11-21 - 02:07
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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 Fri Nov 21, 2025 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150080,0ktimers/0280351sleep18:54:530
2824899409350,0cyclictest265111sleep23:55:580
1514080,0ktimers/0148981sleep20:28:350
1513920,0ktimers/0272691chrt21:29:170
527503800,0irq/11-sym53c8x130150irq/15-NE200020:27:570
1513780,0ktimers/082781sleep22:30:020
527503750,0irq/11-sym53c8x130150irq/15-NE200022:19:520
2824899372312,0cyclictest124671sleep20:17:470
2824899371301,0cyclictest9-21kworker/0:1+events22:11:340
2824899357288,0cyclictest1659-21lldpd21:27:180
2824899356302,0cyclictest0-21swapper23:02:300
1513490,0ktimers/0313431sleep19:13:440
1513420,0ktimers/0312341sleep00:18:370
1513420,0ktimers/0228851sleep23:39:220
527503330,0irq/11-sym53c8x130150irq/15-NE200023:52:550
1513280,0ktimers/085881sleep19:59:100
1301503240,0irq/15-NE200052750irq/11-sym53c8xx22:08:050
1513150,0ktimers/036981sleep19:36:190
1301503070,0irq/15-NE200052750irq/11-sym53c8xx20:52:590
527503050,0irq/11-sym53c8x130150irq/15-NE200020:57:570
527503030,0irq/11-sym53c8x130150irq/15-NE200023:29:240
1301502890,0irq/15-NE200052750irq/11-sym53c8xx21:14:220
2824899287172,0cyclictest0-21swapper21:18:150
1301502870,0irq/15-NE200052750irq/11-sym53c8xx21:53:020
1301502870,0irq/15-NE200052750irq/11-sym53c8xx00:14:480
1512860,0ktimers/0309851sleep21:46:320
2824899281131,0cyclictest26860-21ntpq23:58:270
2824899278146,0cyclictest16809-21wc23:09:440
282489927485,0cyclictest6668-21chrt19:49:420
1301502700,0irq/15-NE200052750irq/11-sym53c8xx21:08:270
2824899266148,0cyclictest18985-21chrt20:47:570
2824899266129,0cyclictest1927-21runrttasks20:08:450
2824899266126,0cyclictest5713-21aten_r3power_en19:44:480
1301502660,0irq/15-NE200052750irq/11-sym53c8xx20:58:260
2824899265182,0cyclictest10806-21awk22:43:220
1512650,0ktimers/06961sleep21:56:270
2824899262167,0cyclictest8703-21sort22:33:420
2824899259112,0cyclictest28295-21grep00:04:190
282489925895,0cyclictest9761-21ntpq22:38:280
2824899258124,0cyclictest15201-21apt-get23:03:350
1301502570,0irq/15-NE200052750irq/11-sym53c8xx00:08:320
2824899256159,0cyclictest6507-21chrt22:23:300
4774125584,0sleep0-21swapper19:41:140
282489925371,0cyclictest893-21jbd2/sda1-820:03:080
28771125281,0sleep0-21swapper21:35:410
282489924676,0cyclictest0-21swapper18:58:550
2824899246117,0cyclictest0-21swapper22:13:140
1512460,0ktimers/02627-21sshd19:31:290
2824899245123,0cyclictest1654-21snmpd20:22:000
527502410,0irq/11-sym53c8x130150irq/15-NE200020:34:530
2824899241147,0cyclictest24269-21chrt23:44:510
2824899241107,0cyclictest32656-21cat19:19:480
2824899240129,0cyclictest1755-21sshd22:00:300
2824899239103,0cyclictest12796-21cron22:53:070
7975123787,0sleep0-21swapper19:55:130
2824899237171,0cyclictest0-21swapper19:28:090
2824899236138,0cyclictest12768-21runrttasks22:52:280
2824899234110,0cyclictest19416-21munin-node23:24:370
2824899233110,0cyclictest30369-21expr19:08:590
19163123194,0sleep0-21swapper23:20:350
282489923086,0cyclictest21435-21apt-get23:33:280
2824899230108,0cyclictest22465-21timerwakeupswit21:04:570
2824899226131,0cyclictest32443-21grep00:23:540
17378122627,0sleep1654-21snmpd23:13:320
2824899223109,0cyclictest0-21swapper21:41:180
2824899223100,0cyclictest29585-21netstat19:03:320
2824899217113,0cyclictest17580-21ls20:39:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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