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2026-09-20 - 10:52
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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 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sun Sep 20, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151153420,0ktimers/0176241sleep19:19:370
1514400,0ktimers/0129061sleep21:50:500
1514300,0ktimers/0146351sleep22:01:300
1514260,0ktimers/0105061sleep21:37:120
525504240,0irq/11-sym53c8x130250irq/15-NE200020:18:080
1514230,0ktimers/020771chrt00:08:060
525504190,0irq/11-sym53c8x130250irq/15-NE200023:36:070
525504160,0irq/11-sym53c8x130250irq/15-NE200000:46:270
1773599387197,0cyclictest4595-21sshd21:02:190
1773599386186,0cyclictest23629-21runrttasks22:58:200
1773599382183,0cyclictest31514-21sendmail-mta19:37:480
525503810,0irq/11-sym53c8x130250irq/15-NE200021:11:260
1513780,0ktimers/0253681sleep20:01:290
1773599377206,0cyclictest32347-21ssh23:56:440
1773599375221,0cyclictest27239-21idleruntime20:11:260
1513750,0ktimers/0170971sleep22:16:360
525503740,0irq/11-sym53c8x130250irq/15-NE200023:46:440
525503740,0irq/11-sym53c8x130250irq/15-NE200022:51:270
1773599372174,0cyclictest3804-21ssh00:21:480
1773599371165,0cyclictest18934-21ssh22:26:360
525503660,0irq/11-sym53c8x130250irq/15-NE200019:52:240
1773599366207,0cyclictest9593-21ssh21:30:560
1773599364169,0cyclictest31429-21kworker/u4:2+rpciod00:29:520
525503630,0irq/11-sym53c8x130250irq/15-NE200000:01:520
1773599363199,0cyclictest7641-21awk21:17:040
1773599363185,0cyclictest5768-21cut00:36:080
1773599362170,0cyclictest18315-21iostat22:22:480
1773599361197,0cyclictest24829-21cat23:06:040
1773599358165,0cyclictest26838-21ssh23:20:040
1773599357218,0cyclictest24911-21grep19:57:200
1773599357198,0cyclictest4009-21munin-run21:00:570
1773599357159,0cyclictest3729-21runrttasks22:50:520
1773599356161,0cyclictest3261-21ssh00:17:360
1773599355215,0cyclictest23318-21sed19:47:480
1773599354232,0cyclictest25721-21munin-plugin-st23:10:570
1773599354174,0cyclictest28193-21ssh23:28:240
1773599354165,0cyclictest11383-21ssh21:41:520
1773599354160,0cyclictest8059-21diskmemload22:44:160
1773599353193,0cyclictest27165-21idleruntime23:21:400
1773599352182,0cyclictest25839-21sshd23:11:200
1773599351232,0cyclictest14497-21ssh22:01:070
1773599351184,0cyclictest19469-21cron19:30:550
1773599348190,0cyclictest8339-21ssh21:22:360
1773599348181,0cyclictest2901-21idleruntime-cro20:55:560
1773599346178,0cyclictest3076-21ls00:16:160
1773599346174,0cyclictest13125-21ssh21:51:440
1773599345203,0cyclictest31377-21munin-node20:36:280
1773599345158,0cyclictest16704-21ssh22:14:040
1773599345157,0cyclictest9795-21ssh21:31:400
1773599344209,0cyclictest21599-21apt-get19:41:300
1773599344177,0cyclictest19810-21ssh22:31:240
1773599343178,0cyclictest32468-21sort20:41:040
1773599343178,0cyclictest20498-21idleruntime22:36:400
1773599343176,0cyclictest16113-21ssh22:09:160
1773599342180,0cyclictest31696-21sh23:51:520
1773599342177,0cyclictest29399-21cut23:37:200
1773599340218,0cyclictest48-21kswapd020:46:300
1773599339176,0cyclictest17841-21runrttasks19:21:120
1773599338172,0cyclictest26293-21cat20:06:040
1773599337206,0cyclictest6493-21cut00:41:230
1773599337181,0cyclictest29129-21ntp_states20:21:280
1773599337146,0cyclictest5368-21df21:06:540
1773599334211,0cyclictest20040-21expr19:32:190
1773599334175,0cyclictest29916-21chrt20:26:240
1773599333174,0cyclictest30749-21apt20:31:320
1773599329206,0cyclictest29968-21latency_hist23:41:230
1773599328167,0cyclictest6066-21ssh00:38:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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