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2026-04-10 - 02:13
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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 Fri Apr 10, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151250,0ktimers/0305221sleep19:10:370
525504650,0irq/11-sym53c8x130250irq/15-NE200023:29:420
1514620,0ktimers/055471sleep19:49:230
525504260,0irq/11-sym53c8x130250irq/15-NE200020:04:410
1514100,0ktimers/074881sleep19:56:220
525503970,0irq/11-sym53c8x130250irq/15-NE200020:54:120
525503820,0irq/11-sym53c8x130250irq/15-NE200023:11:080
525503630,0irq/11-sym53c8x130250irq/15-NE200022:56:230
1513620,0ktimers/0111511chrt20:14:520
525503480,0irq/11-sym53c8x130250irq/15-NE200022:38:250
1513410,0ktimers/0268971sleep21:32:270
1302503390,0irq/15-NE200052550irq/11-sym53c8xx21:28:180
3076399335224,0cyclictest0-21swapper22:00:390
525503340,0irq/11-sym53c8x130250irq/15-NE200020:24:170
525503290,0irq/11-sym53c8x130250irq/15-NE200021:20:370
1302503280,0irq/15-NE200052550irq/11-sym53c8xx00:39:570
1302503230,0irq/15-NE200052550irq/11-sym53c8xx23:52:340
1302503230,0irq/15-NE200052550irq/11-sym53c8xx21:39:200
525503210,0irq/11-sym53c8x130250irq/15-NE200000:29:420
1302503160,0irq/15-NE200052550irq/11-sym53c8xx23:35:080
3076399312186,0cyclictest0-21swapper21:46:300
1302503120,0irq/15-NE200052550irq/11-sym53c8xx20:46:380
3076399308129,0cyclictest22787-21df21:09:560
525503040,0irq/11-sym53c8x130250irq/15-NE200022:10:230
1513040,0ktimers/056161sleep19:49:330
1302503040,0irq/15-NE200052550irq/11-sym53c8xx22:45:080
1302503020,0irq/15-NE200052550irq/11-sym53c8xx00:11:030
3076399301126,0cyclictest18108-21cat23:49:210
3076399300158,0cyclictest10909-21cron20:14:100
3076399297162,0cyclictest8493-21cron22:54:110
3076399293127,0cyclictest10353-21sh23:04:210
3076399290184,0cyclictest3434-21nscd21:59:110
3076399290161,0cyclictest24045-21ssh00:24:390
1512900,0ktimers/05311sleep19:25:250
3076399286107,0cyclictest10638-21ssh23:05:180
307639928381,0cyclictest18-21rcu_preempt19:29:270
3076399282185,0cyclictest20510-21cron00:04:130
3076399282168,0cyclictest32510-21munin-run19:24:120
1302502820,0irq/15-NE200052550irq/11-sym53c8xx19:35:150
3076399281157,0cyclictest3217-21ssh22:24:120
1302502810,0irq/15-NE200052550irq/11-sym53c8xx19:39:270
3076399278176,0cyclictest13728-21ssh23:24:110
3076399278176,0cyclictest12630-21chrt23:17:210
3076399278148,0cyclictest23929-21sshd00:24:240
3076399278139,0cyclictest17124-21munin-run20:44:180
1512780,0ktimers/0287371sleep21:42:260
3076399277151,0cyclictest23887-21ssh21:15:030
3076399276128,0cyclictest3437-21nscd23:44:130
1512760,0ktimers/0206461sleep00:04:360
1302502760,0irq/15-NE200052550irq/11-sym53c8xx20:01:210
3076399275175,0cyclictest13033-21chrt20:24:490
3076399274150,0cyclictest25672-21basename00:34:550
3076399271187,0cyclictest0-21swapper21:09:090
3076399271172,0cyclictest3729-21runrttasks20:54:440
3076399270179,0cyclictest3460-21snmpd22:04:480
3076399270177,0cyclictest3729-21runrttasks20:34:210
3076399269172,0cyclictest14323-21switchtime20:30:180
3076399267155,0cyclictest0-21swapper00:17:170
3076399266128,0cyclictest48-21kswapd021:04:120
3076399265132,0cyclictest13896-21ssh23:24:410
3076399264192,0cyclictest0-21swapper19:15:070
3076399264184,0cyclictest4838-21latency_hist22:34:210
1302502640,0irq/15-NE200052550irq/11-sym53c8xx22:24:590
3076399263154,0cyclictest0-21swapper21:52:120
3076399262123,0cyclictest19124-21ssh23:54:380
3076399261162,0cyclictest6636-21cron22:44:100
3076399261139,0cyclictest1379-21latency_hist22:14:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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