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2026-08-18 - 01:51
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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 Tue Aug 18, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152180,0ktimers/0289851sleep19:14:480
1514730,0ktimers/098621sleep20:27:140
1302504710,0irq/15-NE200052550irq/11-sym53c8xx21:10:090
1514630,0ktimers/0251961sleep22:02:300
1514500,0ktimers/0206681sleep21:32:020
1514450,0ktimers/03841sleep19:36:230
1514430,0ktimers/0142121sleep20:54:120
1514420,0ktimers/0312781sleep19:26:560
1514420,0ktimers/0132951sleep20:46:510
1514400,0ktimers/0101241sleep00:03:340
1514380,0ktimers/047341sleep23:25:030
1514350,0ktimers/087911sleep20:22:270
1514330,0ktimers/0306101sleep19:22:000
1514320,0ktimers/0266331sleep22:11:540
1302504260,0irq/15-NE200052550irq/11-sym53c8xx22:15:320
1514240,0ktimers/071631sleep20:11:410
1514220,0ktimers/0321751sleep19:33:290
1514190,0ktimers/0238981sleep21:54:340
1514150,0ktimers/045581sleep23:24:240
1514150,0ktimers/013911sleep23:02:410
1514130,0ktimers/062371sleep20:06:270
1514130,0ktimers/0154481sleep00:43:130
1514090,0ktimers/073751sleep23:42:360
1514060,0ktimers/0313881sleep22:44:430
1514050,0ktimers/0202451sleep21:28:590
1514050,0ktimers/0159481sleep21:01:500
1514050,0ktimers/0110431sleep20:35:210
1514010,0ktimers/080241sleep20:17:520
1514000,0ktimers/0241451sleep21:55:540
1302503950,0irq/15-NE200052550irq/11-sym53c8xx21:49:540
1513940,0ktimers/034401sleep19:52:440
1302503890,0irq/15-NE200052550irq/11-sym53c8xx00:49:340
1302503820,0irq/15-NE200052550irq/11-sym53c8xx20:00:480
1302503810,0irq/15-NE200052550irq/11-sym53c8xx00:20:040
1513790,0ktimers/021381sleep23:09:200
1513780,0ktimers/0146411sleep00:36:520
1513680,0ktimers/0287691sleep22:27:360
1513670,0ktimers/0126301sleep20:44:070
1513650,0ktimers/0211281sleep21:35:390
525503640,0irq/11-sym53c8x130250irq/15-NE200019:56:200
1513560,0ktimers/0279551sleep22:20:180
1302503550,0irq/15-NE200052550irq/11-sym53c8xx23:39:330
1302503530,0irq/15-NE200052550irq/11-sym53c8xx00:15:150
525503500,0irq/11-sym53c8x130250irq/15-NE200022:59:360
1513500,0ktimers/087121sleep23:54:120
30200134852,0sleep151ktimers/022:37:030
525503470,0irq/11-sym53c8x130250irq/15-NE200020:54:440
1513410,0ktimers/0322051sleep22:49:080
525503350,0irq/11-sym53c8x3677-21latency_hist23:19:340
1513240,0ktimers/0327551sleep22:53:350
525503220,0irq/11-sym53c8x130250irq/15-NE200000:30:040
1302503210,0irq/15-NE200052550irq/11-sym53c8xx00:09:340
1346213200,0sleep151ktimers/000:29:200
1513040,0ktimers/02694-21ssh23:13:500
525502970,0irq/11-sym53c8x130250irq/15-NE200021:40:330
1302502940,0irq/15-NE200052550irq/11-sym53c8xx22:04:550
906312810,0sleep151ktimers/023:56:450
16494128143,0sleep16502-21awk21:05:490
117612800,0sleep151ktimers/019:41:140
2998299278102,0cyclictest19259-21ssh21:23:100
525502760,0irq/11-sym53c8x130250irq/15-NE200020:30:030
525502750,0irq/11-sym53c8x8188-21sendmail-msp23:49:470
525502750,0irq/11-sym53c8x5399-21kworker/u4:1+xprtiod23:30:040
2921912740,0sleep151ktimers/022:31:000
1512680,0ktimers/02123-21munin-node19:46:260
1302502620,0irq/15-NE200011613-21ssh00:13:310
1302502600,0irq/15-NE200018788-21diskmemload21:19:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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