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2024-07-13 - 20:52

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #a, slot #5

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot5s.osadl.org (updated Sat Jul 13, 2024 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811230,0rcu_preempt19-21ksoftirqd/111:46:521
811230,0rcu_preempt19-21ksoftirqd/111:36:151
811230,0rcu_preempt19-21ksoftirqd/111:36:151
811200,0rcu_preempt19-21ksoftirqd/111:02:231
811170,0rcu_preempt19-21ksoftirqd/111:30:151
811160,0rcu_preempt19-21ksoftirqd/111:51:331
811160,0rcu_preempt19-21ksoftirqd/110:47:041
811140,0rcu_preempt54-21kswapd009:54:231
811140,0rcu_preempt19-21ksoftirqd/109:29:191
811130,0rcu_preempt19-21ksoftirqd/112:21:571
811130,0rcu_preempt19-21ksoftirqd/110:39:481
811120,0rcu_preempt9819-21kworker/1:209:19:531
811120,0rcu_preempt19-21ksoftirqd/110:17:351
1645921120,0sleep010050irq/346-484840008:21:160
811080,0rcu_preempt19-21ksoftirqd/110:29:121
811050,0rcu_preempt54-21kswapd010:19:581
811050,0rcu_preempt19-21ksoftirqd/109:39:331
811050,0rcu_preempt19-21ksoftirqd/109:39:331
811030,0rcu_preempt19-21ksoftirqd/111:19:531
81960,0rcu_preempt19-21ksoftirqd/107:39:221
81960,0rcu_preempt19-21ksoftirqd/107:39:221
81930,0rcu_preempt19-21ksoftirqd/109:49:331
81920,0rcu_preempt19-21ksoftirqd/112:02:411
81920,0rcu_preempt19-21ksoftirqd/110:02:201
81900,0rcu_preempt19-21ksoftirqd/109:47:031
81890,0rcu_preempt19-21ksoftirqd/108:04:031
81880,0rcu_preempt19-21ksoftirqd/109:17:411
81880,0rcu_preempt19-21ksoftirqd/108:24:201
81870,0rcu_preempt54-21kswapd008:19:251
81870,0rcu_preempt19-21ksoftirqd/108:17:271
81860,0rcu_preempt32627-21munin-node11:14:221
81840,0rcu_preempt19-21ksoftirqd/111:12:181
81840,0rcu_preempt19-21ksoftirqd/108:09:381
81840,0rcu_preempt19-21ksoftirqd/107:35:091
81840,0rcu_preempt19-21ksoftirqd/107:29:231
10050840,0irq/346-4848400111rcuc/011:54:550
81830,0rcu_preempt9819-21kworker/1:208:45:401
81830,0rcu_preempt19-21ksoftirqd/108:05:461
81830,0rcu_preempt19-21ksoftirqd/107:58:381
81830,0rcu_preempt19-21ksoftirqd/107:26:101
81820,0rcu_preempt19-21ksoftirqd/112:32:181
10050820,0irq/346-4848400784-21rngd11:48:120
81810,0rcu_preempt19-21ksoftirqd/111:58:111
81810,0rcu_preempt19-21ksoftirqd/111:24:231
81810,0rcu_preempt19-21ksoftirqd/107:20:471
81810,0rcu_preempt19-21ksoftirqd/107:20:471
81800,0rcu_preempt19645-21timerandwakeup09:34:551
81800,0rcu_preempt19-21ksoftirqd/110:13:481
81800,0rcu_preempt19-21ksoftirqd/108:39:251
81800,0rcu_preempt19-21ksoftirqd/107:44:591
81790,0rcu_preempt19-21ksoftirqd/112:14:491
81790,0rcu_preempt19-21ksoftirqd/112:08:191
81790,0rcu_preempt19-21ksoftirqd/108:51:001
81780,0rcu_preempt19-21ksoftirqd/110:59:131
81780,0rcu_preempt19-21ksoftirqd/110:29:131
81780,0rcu_preempt19-21ksoftirqd/109:24:421
81780,0rcu_preempt19-21ksoftirqd/108:29:341
81770,0rcu_preempt19-21ksoftirqd/112:13:031
81770,0rcu_preempt19-21ksoftirqd/109:13:201
81770,0rcu_preempt19-21ksoftirqd/108:59:471
10050770,0irq/346-48484005051-21runrttasks11:19:440
81760,0rcu_preempt19-21ksoftirqd/109:04:231
10050760,0irq/346-484840041ktimersoftd/012:14:510
81750,0rcu_preempt6192-21if_eth212:34:421
81750,0rcu_preempt19-21ksoftirqd/112:24:221
81750,0rcu_preempt19-21ksoftirqd/107:14:251
81740,0rcu_preempt19-21ksoftirqd/111:39:231
81740,0rcu_preempt19-21ksoftirqd/111:09:021
10050740,0irq/346-48484004421-1kworker/0:4H10:41:250
10050730,0irq/346-484840054-21kswapd009:19:450
10050730,0irq/346-484840041ktimersoftd/007:39:300
10050730,0irq/346-484840041ktimersoftd/007:39:300
10050730,0irq/346-484840032367-1kworker/0:0H10:19:450
81720,0rcu_preempt19-21ksoftirqd/110:38:151
81720,0rcu_preempt19-21ksoftirqd/107:52:291
10050720,0irq/346-484840054-21kswapd011:39:130
81710,0rcu_preempt19-21ksoftirqd/110:49:401
81710,0rcu_preempt19-21ksoftirqd/110:49:401
81710,0rcu_preempt19-21ksoftirqd/110:04:431
81700,0rcu_preempt32367-1kworker/0:0H09:59:270
36782690,0sleep09950irq/345-484840012:31:430
81680,0rcu_preempt19-21ksoftirqd/108:59:121
81670,0rcu_preempt54-21kswapd012:11:510
10050670,0irq/346-48484000-21swapper/011:59:450
81650,0rcu_preempt54-21kswapd011:29:060
81640,0rcu_preempt54-21kswapd011:03:480
114322640,0sleep010050irq/346-484840008:05:060
81620,0rcu_preempt3-21ksoftirqd/008:49:590
81610,0rcu_preempt54-21kswapd011:04:290
81610,0rcu_preempt19-21ksoftirqd/108:34:251
10050610,0irq/346-48484000-21swapper/009:52:030
81600,0rcu_preempt3-21ksoftirqd/009:39:320
81600,0rcu_preempt3-21ksoftirqd/009:39:320
10050600,0irq/346-48484000-21swapper/011:10:040
81590,0rcu_preempt3-21ksoftirqd/012:21:190
81590,0rcu_preempt3-21ksoftirqd/011:54:120
81580,0rcu_preempt3-21ksoftirqd/011:14:450
81560,0rcu_preempt24594-21cyclictest10:04:240
81530,0rcu_preempt19-21ksoftirqd/107:09:241
282162520,0sleep09950irq/345-484840008:59:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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