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2026-04-08 - 00:05
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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 Tue Apr 07, 2026 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152350,0ktimers/0208101sleep07:09:220
525504540,0irq/11-sym53c8x130250irq/15-NE200010:55:110
525504410,0irq/11-sym53c8x130250irq/15-NE200007:24:370
1514280,0ktimers/0184381sleep09:37:190
1514250,0ktimers/0217761sleep09:56:450
2171399421191,0cyclictest25716-21ssh10:19:050
1514190,0ktimers/0103141sleep11:59:080
1514170,0ktimers/0148221sleep09:14:560
525504000,0irq/11-sym53c8x130250irq/15-NE200012:02:050
1513930,0ktimers/0155461sleep12:30:020
1513880,0ktimers/041731sleep08:25:130
1513870,0ktimers/046471sleep11:24:550
525503820,0irq/11-sym53c8x130250irq/15-NE200007:39:200
1513820,0ktimers/0167101sleep09:25:260
525503810,0irq/11-sym53c8x130250irq/15-NE200011:34:070
525503750,0irq/11-sym53c8x130250irq/15-NE200011:51:160
1513750,0ktimers/0277041sleep07:44:350
1513720,0ktimers/0229361sleep10:04:050
2171399364186,0cyclictest17582-21ssh09:30:530
1513640,0ktimers/0151241sleep12:27:380
2171399361160,0cyclictest28255-21date10:34:170
525503590,0irq/11-sym53c8x130250irq/15-NE200011:44:450
2171399359174,0cyclictest30988-21ssh10:49:050
2171399358159,0cyclictest13372-21awk12:16:090
2171399356148,0cyclictest6987-21cat08:39:080
2171399354162,0cyclictest31109-21ssh10:49:290
2171399353149,0cyclictest3729-21runrttasks08:49:280
2171399350156,0cyclictest13556-21wc09:09:130
2171399348189,0cyclictest3729-21runrttasks10:05:410
2171399348179,0cyclictest3729-21runrttasks09:04:400
1513460,0ktimers/0120001sleep12:07:270
1513450,0ktimers/0286411sleep10:35:440
2171399343208,0cyclictest20670-21kworker/u4:2+rpciod09:19:390
2171399340181,0cyclictest1330-21munin-run11:04:120
2171399339171,0cyclictest4097-21sh11:21:170
2171399339148,0cyclictest1718-21ssh11:06:490
2171399338165,0cyclictest22948-21date07:19:240
2171399338162,0cyclictest30170-21nfs_client07:55:200
1513370,0ktimers/0178391sleep12:41:560
525503360,0irq/11-sym53c8x130250irq/15-NE200008:59:340
2171399336221,0cyclictest13899-21irqstats12:19:340
2171399334197,0cyclictest19271-21wc09:44:180
2171399334167,0cyclictest10854-21needreboot08:55:280
2171399334147,0cyclictest6260-21ssh11:35:410
2171399333196,0cyclictest19807-21ssh09:46:130
2171399333190,0cyclictest48-21kswapd007:54:040
2171399333184,0cyclictest20308-21mailstats09:49:280
2171399333172,0cyclictest2605-21apt08:19:040
525503320,0irq/11-sym53c8x130250irq/15-NE200010:40:010
2171399332194,0cyclictest864-21chrt08:10:070
2171399332164,0cyclictest25019-21sed07:30:480
2171399331210,0cyclictest27091-21sshd10:25:460
2171399331199,0cyclictest18-21rcu_preempt08:04:240
1513310,0ktimers/0222971sleep07:15:340
2171399328169,0cyclictest26688-21cat10:24:170
2171399328167,0cyclictest24434-21vmstat10:11:050
2171399327195,0cyclictest31170-21open_files08:00:100
2171399327164,0cyclictest2210-21sh11:10:010
2171399325157,0cyclictest25910-21cut07:35:240
2171399324191,0cyclictest8113-21munin-node08:44:150
2171399323160,0cyclictest2802-21cut08:19:280
2171399321157,0cyclictest5134-21basename08:29:560
2171399320185,0cyclictest16433-21ssh12:34:470
2171399320157,0cyclictest7388-21ssh11:42:530
2171399318153,0cyclictest8385-21munin-node08:45:000
2171399316196,0cyclictest12850-21which12:14:200
2171399311154,0cyclictest3169-21ssh11:16:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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