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2025-11-23 - 17:49
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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 Sun Nov 23, 2025 12:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150640,0ktimers/0259771sleep06:53:030
1514740,0ktimers/0254791sleep09:23:330
1301504520,0irq/15-NE200052750irq/11-sym53c8xx09:34:400
1301504510,0irq/15-NE200052750irq/11-sym53c8xx08:53:320
1514450,0ktimers/0232751sleep11:43:440
1514370,0ktimers/0126891sleep10:54:110
1514150,0ktimers/0287341sleep09:38:340
1514050,0ktimers/0299171sleep12:14:080
527503970,0irq/11-sym53c8x130150irq/15-NE200012:18:460
1301503960,0irq/15-NE200052750irq/11-sym53c8xx07:08:190
1513840,0ktimers/0324381sleep07:24:050
1513760,0ktimers/0303661sleep07:14:130
1513720,0ktimers/072861sleep10:29:170
1513720,0ktimers/0159421sleep08:38:590
527503540,0irq/11-sym53c8x130150irq/15-NE200011:29:450
527503490,0irq/11-sym53c8x130150irq/15-NE200009:19:530
527503470,0irq/11-sym53c8x130150irq/15-NE200011:54:400
1513460,0ktimers/0326461sleep09:54:490
1301503430,0irq/15-NE200052750irq/11-sym53c8xx10:47:490
5408133639,0sleep151ktimers/007:49:100
1301503270,0irq/15-NE200052750irq/11-sym53c8xx07:21:560
527503230,0irq/11-sym53c8x130150irq/15-NE200011:08:060
1513230,0ktimers/0215691sleep09:04:200
527503220,0irq/11-sym53c8x130150irq/15-NE200007:33:320
527503160,0irq/11-sym53c8x130150irq/15-NE200009:14:450
892313090,0sleep151ktimers/010:37:580
527503060,0irq/11-sym53c8x0-21swapper09:32:440
1513050,0ktimers/0166391sleep11:13:220
1513030,0ktimers/0281981sleep12:05:420
1512960,0ktimers/0225441sleep11:39:260
2859112890,0sleep151ktimers/007:07:120
1368112880,0sleep151ktimers/008:28:510
527502870,0irq/11-sym53c8x7800-21latency_hist10:32:510
527502870,0irq/11-sym53c8x14521-21cut08:33:000
1852412860,0sleep151ktimers/011:22:120
880512850,0sleep151ktimers/008:05:330
527502850,0irq/11-sym53c8x20209-21cut08:58:520
527502830,0irq/11-sym53c8x7123-21cut07:58:410
1301502830,0irq/15-NE200052750irq/11-sym53c8xx10:04:110
1301502830,0irq/15-NE20001654-21snmpd09:48:300
2928512820,0sleep151ktimers/012:10:330
1169712820,0sleep151ktimers/008:19:070
663412800,0sleep151ktimers/007:55:240
1528912800,0sleep151ktimers/011:07:350
1101912800,0sleep151ktimers/008:16:100
527502790,0irq/11-sym53c8x130150irq/15-NE200010:23:030
1301502760,0irq/15-NE200052750irq/11-sym53c8xx11:34:400
1301502740,0irq/15-NE200052750irq/11-sym53c8xx09:09:430
527502700,0irq/11-sym53c8x31387-21open_inodes12:22:560
2503012700,0sleep151ktimers/011:52:040
1738012680,0sleep151ktimers/008:44:380
2688399267116,0cyclictest0-21swapper08:51:120
1512670,0ktimers/030083-21cut09:44:080
527502660,0irq/11-sym53c8x27370-21kworker/u4:0+flush-8:010:49:290
527502650,0irq/11-sym53c8x13960-21cut10:59:320
527502640,0irq/11-sym53c8x3515-21grep10:13:000
527502640,0irq/11-sym53c8x25861-21kworker/u4:0+flush-8:008:08:230
1512640,0ktimers/016091sleep07:32:420
1512590,0ktimers/012627-21chrt08:23:480
527502580,0irq/11-sym53c8x26324-21grep11:58:080
527502570,0irq/11-sym53c8x2482-21mailstats10:08:130
527502570,0irq/11-sym53c8x130150irq/15-NE200011:27:470
527502560,0irq/11-sym53c8x4560-21which10:17:590
527502560,0irq/11-sym53c8x4067-21sed07:43:390
1301502550,0irq/15-NE20003379-21sshd07:39:250
527502540,0irq/11-sym53c8x47-21kswapd006:58:310
1301502540,0irq/15-NE2000767-21sed09:58:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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