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2026-04-03 - 23:47
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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 Apr 03, 2026 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152170,0ktimers/0184781sleep07:13:450
1514650,0ktimers/0206351sleep10:05:010
1514560,0ktimers/085511sleep12:04:470
525504490,0irq/11-sym53c8x130250irq/15-NE200012:33:540
525504470,0irq/11-sym53c8x130250irq/15-NE200010:10:350
1514460,0ktimers/0181371sleep09:50:580
1514290,0ktimers/0246951sleep10:26:070
1514220,0ktimers/080701sleep08:55:410
1514220,0ktimers/0229211sleep07:35:080
525504190,0irq/11-sym53c8x130250irq/15-NE200008:29:390
525504110,0irq/11-sym53c8x130250irq/15-NE200009:05:170
1514050,0ktimers/0305021sleep08:10:050
525503990,0irq/11-sym53c8x130250irq/15-NE200010:21:090
525503970,0irq/11-sym53c8x130250irq/15-NE200010:16:330
525503950,0irq/11-sym53c8x130250irq/15-NE200010:41:010
1513900,0ktimers/082041sleep12:03:110
1513840,0ktimers/024621sleep11:30:260
1513820,0ktimers/0311541sleep08:14:010
525503790,0irq/11-sym53c8x130250irq/15-NE200009:18:370
525503770,0irq/11-sym53c8x130250irq/15-NE200009:59:470
525503750,0irq/11-sym53c8x130250irq/15-NE200009:55:290
1302503650,0irq/15-NE200052550irq/11-sym53c8xx11:00:100
525503620,0irq/11-sym53c8x130250irq/15-NE200011:34:490
1513610,0ktimers/0285361sleep08:00:290
1513510,0ktimers/095071sleep09:03:590
1513440,0ktimers/0282801sleep10:50:040
1513400,0ktimers/07901sleep11:20:300
1302503400,0irq/15-NE200052550irq/11-sym53c8xx12:37:480
525503350,0irq/11-sym53c8x130250irq/15-NE200011:55:360
525503330,0irq/11-sym53c8x130250irq/15-NE200010:29:300
1851599323192,0cyclictest4700-21ssh11:44:220
1851599322197,0cyclictest29061-21ssh10:55:300
1513220,0ktimers/0300271sleep08:08:580
525503150,0irq/11-sym53c8x130250irq/15-NE200008:34:030
1851599313177,0cyclictest28640-21kworker/u4:3-xprtiod12:14:000
1851599312158,0cyclictest34-1kworker/0:1H+kblockd11:04:200
1851599311148,0cyclictest4091-21date11:39:190
1851599307135,0cyclictest17331-21sh09:46:330
1513050,0ktimers/0145681sleep12:39:160
1851599303163,0cyclictest3376-21syslogd08:20:530
1851599301144,0cyclictest11363-21ssh09:14:010
525502970,0irq/11-sym53c8x130250irq/15-NE200007:14:050
525502960,0irq/11-sym53c8x130250irq/15-NE200008:39:030
1851599295135,0cyclictest951-21cut08:24:130
1851599294189,0cyclictest12941-21munin-run09:24:040
1851599293112,0cyclictest12378-21ssh12:26:400
185159929290,0cyclictest11349-21diskmemload09:39:470
1851599292192,0cyclictest1595-21df_inode11:25:360
1851599292179,0cyclictest25785-21munin-node07:50:470
1851599291194,0cyclictest26841-21latency_hist07:54:030
1851599291193,0cyclictest15669-21chrt09:38:380
1851599291146,0cyclictest14063-21ssh09:29:370
1512910,0ktimers/0318091sleep11:11:270
1851599290176,0cyclictest3460-21snmpd07:47:210
525502890,0irq/11-sym53c8x130250irq/15-NE200007:29:260
1851599289165,0cyclictest11163-21ssh12:20:380
1851599288196,0cyclictest3460-21snmpd07:24:340
1851599288187,0cyclictest3460-21snmpd10:45:020
1851599288140,0cyclictest32519-21sshd11:15:360
1851599287162,0cyclictest25820-21runrttasks10:35:060
1851599281159,0cyclictest6818-21cut08:50:200
1851599281153,0cyclictest23826-21ntpq07:39:460
1851599281145,0cyclictest5650-21mailstats11:49:180
1851599276153,0cyclictest3460-21snmpd12:14:240
1851599273169,0cyclictest13216-21ssh09:24:510
1851599273129,0cyclictest34-1kworker/0:1H+kblockd08:44:300
1851599272170,0cyclictest20257-21chrt07:23:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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