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2024-11-23 - 20:36

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 highest latencies:
System rackaslot5s.osadl.org (updated Sat Nov 23, 2024 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811380,0rcu_preempt19-21ksoftirqd/110:29:041
811360,0rcu_preempt19-21ksoftirqd/112:13:421
811330,0rcu_preempt19-21ksoftirqd/110:10:341
811290,0rcu_preempt19-21ksoftirqd/111:10:491
811270,0rcu_preempt54-21kswapd009:30:271
811240,0rcu_preempt19-21ksoftirqd/111:51:591
811220,0rcu_preempt19-21ksoftirqd/112:06:381
811220,0rcu_preempt19-21ksoftirqd/109:27:091
811210,0rcu_preempt19-21ksoftirqd/111:48:261
811200,0rcu_preempt19-21ksoftirqd/110:02:521
811190,0rcu_preempt19-21ksoftirqd/111:25:111
811180,0rcu_preempt19-21ksoftirqd/111:31:341
811150,0rcu_preempt19-21ksoftirqd/109:53:041
811150,0rcu_preempt19-21ksoftirqd/108:14:131
811120,0rcu_preempt54-21kswapd009:45:471
811030,0rcu_preempt19-21ksoftirqd/110:54:491
811010,0rcu_preempt19-21ksoftirqd/111:18:321
81990,0rcu_preempt19-21ksoftirqd/112:08:401
81990,0rcu_preempt19-21ksoftirqd/110:58:591
81980,0rcu_preempt19-21ksoftirqd/110:05:361
81970,0rcu_preempt19-21ksoftirqd/109:58:041
81950,0rcu_preempt19-21ksoftirqd/111:43:251
81950,0rcu_preempt19-21ksoftirqd/110:38:121
81950,0rcu_preempt19-21ksoftirqd/109:09:521
81940,0rcu_preempt19-21ksoftirqd/109:39:051
81940,0rcu_preempt19-21ksoftirqd/109:38:231
81930,0rcu_preempt54-21kswapd010:49:571
81930,0rcu_preempt19-21ksoftirqd/111:54:331
81900,0rcu_preempt19-21ksoftirqd/110:19:131
81890,0rcu_preempt19-21ksoftirqd/107:43:551
81880,0rcu_preempt19-21ksoftirqd/110:46:431
81880,0rcu_preempt19-21ksoftirqd/107:27:281
81810,0rcu_preempt19-21ksoftirqd/112:23:351
81810,0rcu_preempt19-21ksoftirqd/112:18:581
81810,0rcu_preempt19-21ksoftirqd/107:48:371
81790,0rcu_preempt19-21ksoftirqd/107:19:021
81780,0rcu_preempt54-21kswapd010:38:521
81780,0rcu_preempt19-21ksoftirqd/111:13:581
81780,0rcu_preempt19-21ksoftirqd/108:22:161
81760,0rcu_preempt54-21kswapd011:58:481
81760,0rcu_preempt17778-21cyclictest10:23:531
10050760,0irq/346-48484004530-1kworker/0:2H09:34:550
10050760,0irq/346-48484003077-1kworker/0:0H11:38:260
10050760,0irq/346-484840011856-1kworker/0:1H11:48:330
81750,0rcu_preempt19-21ksoftirqd/107:28:501
10050750,0irq/346-48484003637-1kworker/0:2H10:12:200
81740,0rcu_preempt54-21kswapd012:33:401
81740,0rcu_preempt24705-21diskmemload09:22:461
81740,0rcu_preempt19-21ksoftirqd/107:11:371
81730,0rcu_preempt19-21ksoftirqd/108:11:051
10050730,0irq/346-484840054-21kswapd012:23:530
81720,0rcu_preempt19-21ksoftirqd/107:39:011
10050720,0irq/346-484840041ktimersoftd/009:26:010
81710,0rcu_preempt0-21swapper/111:08:091
81700,0rcu_preempt19-21ksoftirqd/109:17:011
81700,0rcu_preempt19-21ksoftirqd/108:03:441
10050700,0irq/346-484840022729-1kworker/0:0H09:14:020
81690,0rcu_preempt19-21ksoftirqd/110:14:011
10872690,0sleep19950irq/345-484840011:33:431
10050690,0irq/346-484840019309-1kworker/0:1H12:34:480
81660,0rcu_preempt19-21ksoftirqd/112:29:021
81660,0rcu_preempt19-21ksoftirqd/108:38:451
10050650,0irq/346-484840029366-1kworker/0:0H12:09:040
115122610,0sleep010050irq/346-484840008:27:480
1778099601,0cyclictest30918-21apt-get10:03:400
1778099591,0cyclictest29396-21apt-get07:43:400
81580,0rcu_preempt19-21ksoftirqd/107:35:371
81560,0rcu_preempt19-21ksoftirqd/108:23:571
81540,0rcu_preempt19-21ksoftirqd/108:29:011
1778099542,0cyclictest0-21swapper/007:32:450
10050540,0irq/346-484840054-21kswapd012:02:250
81520,0rcu_preempt20554-21ssh11:55:150
10050520,0irq/346-48484004812-21kworker/0:012:16:000
4350510,0irq/32-433000002123-21dropbear07:58:430
10050510,0irq/346-4848400752-21rngd10:03:020
203792500,0chrt9950irq/345-484840012:32:010
10050500,0irq/346-4848400752-21rngd10:22:570
10050500,0irq/346-484840021165-1kworker/1:3H08:58:521
10050500,0irq/346-48484000-21swapper/009:09:470
259512490,0sleep09950irq/345-484840011:24:020
10050490,0irq/346-48484008166-21munin-node0
10050490,0irq/346-484840054-21kswapd011:17:130
10050490,0irq/346-484840054-21kswapd009:48:280
10050490,0irq/346-48484003637-1kworker/0:2H10:13:320
10050490,0irq/346-484840026817-21runrttasks09:57:290
62722480,0sleep010050irq/346-484840008:09:190
10050480,0irq/346-484840054-21kswapd010:45:560
10050480,0irq/346-48484000-21swapper/010:49:590
81470,0rcu_preempt752-21rngd12:07:540
81470,0rcu_preempt20288-21ps07:13:551
81470,0rcu_preempt19-21ksoftirqd/107:58:411
10050470,0irq/346-4848400752-21rngd11:47:540
10050470,0irq/346-48484003-21ksoftirqd/010:28:420
10050470,0irq/346-48484003200-21runrttasks10:54:120
10050470,0irq/346-484840021695-21munin-node0
10050470,0irq/346-4848400130332sleep010:23:480
10050470,0irq/346-48484000-21swapper/011:00:210
10050470,0irq/346-48484000-21swapper/009:48:550
81460,0rcu_preempt19-21ksoftirqd/108:43:531
10050460,0irq/346-48484000-21swapper/011:31:070
10050460,0irq/346-48484000-21swapper/011:08:350
81450,0rcu_preempt3-21ksoftirqd/008:04:250
81450,0rcu_preempt2981-21ping08:23:280
1778099451,0cyclictest23063-21dropbear07:23:470
10050450,0irq/346-484840054-21kswapd009:38:520
10050450,0irq/346-48484000-21swapper/011:06:240
10050450,0irq/346-48484000-21swapper/009:30:390
9950440,0irq/345-48484001371-21runrttasks10:38:550
216642440,0chrt9950irq/345-484840010:35:320
10102440,0sleep09950irq/345-484840007:53:540
10050440,0irq/346-484840054-21kswapd007:35:370
81430,0rcu_preempt19-21ksoftirqd/109:03:481
81430,0rcu_preempt13776-21if_eth008:33:501
10050420,0irq/346-484840054-21kswapd007:57:511
10050420,0irq/346-48484000-21swapper/007:13:280
9950410,0irq/345-48484000-21swapper/008:43:450
81410,0rcu_preempt3-21ksoftirqd/009:21:470
81410,0rcu_preempt3-21ksoftirqd/007:03:580
81410,0rcu_preempt12821-21kworker/0:008:36:170
9950400,0irq/345-484840013178-21chrt08:33:080
81400,0rcu_preempt3-21ksoftirqd/008:52:570
81400,0rcu_preempt3-21ksoftirqd/008:38:400
81400,0rcu_preempt0-21swapper/009:02:430
10050400,0irq/346-48484001371-21runrttasks08:14:040
10050400,0irq/346-48484000-21swapper/011:38:410
9950390,0irq/345-484840020576-21sed07:13:580
81390,0rcu_preempt3-21ksoftirqd/009:07:510
81390,0rcu_preempt19-21ksoftirqd/108:53:461
17780993912,0cyclictest27976-21dropbear07:38:460
81370,0rcu_preempt752-21rngd08:48:441
81370,0rcu_preempt3-21ksoftirqd/008:57:160
81370,0rcu_preempt19-21ksoftirqd/107:07:241
1778099372,0cyclictest21058-21ping07:18:410
17780993711,0cyclictest0-21swapper/007:48:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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