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2022-07-06 - 03:22

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 
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  TI

ARM TI AM5728 @1000 MHz, Linux 4.4.12-rt17-osadl-g86c9060003 (Profile)

Latency plot of shadow in rack #a, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 all highest latencies:
System rackaslot5s.osadl.org (updated Wed Jul 06, 2022 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811270,0rcu_preempt3-21ksoftirqd/021:53:370
811170,0rcu_preempt3-21ksoftirqd/021:19:380
811080,0rcu_preempt3-21ksoftirqd/023:45:570
811040,0rcu_preempt3-21ksoftirqd/023:23:540
811040,0rcu_preempt3-21ksoftirqd/021:28:480
81990,0rcu_preempt3-21ksoftirqd/019:23:280
81970,0rcu_preempt3-21ksoftirqd/020:03:390
81940,0rcu_preempt3-21ksoftirqd/000:13:530
81930,0rcu_preempt3-21ksoftirqd/000:33:430
81920,0rcu_preempt3-21ksoftirqd/023:58:490
81910,0rcu_preempt3-21ksoftirqd/022:47:120
81760,0rcu_preempt1266-21ls21:58:530
81740,0rcu_preempt3-21ksoftirqd/023:13:420
81740,0rcu_preempt3-21ksoftirqd/022:03:460
81730,0rcu_preempt3741-21apt-get21:23:250
81710,0rcu_preempt3-21ksoftirqd/000:23:520
81680,0rcu_preempt3-21ksoftirqd/021:37:140
81680,0rcu_preempt3-21ksoftirqd/000:08:400
81670,0rcu_preempt21467-21users20:58:540
81660,0rcu_preempt31344-21ssh23:53:370
81650,0rcu_preempt32717-21ping20:23:400
81650,0rcu_preempt3-21ksoftirqd/023:21:160
81650,0rcu_preempt3-21ksoftirqd/021:15:570
81640,0rcu_preempt7008-21kworker/0:123:38:250
81640,0rcu_preempt3-21ksoftirqd/022:23:380
81640,0rcu_preempt3-21ksoftirqd/020:08:260
81630,0rcu_preempt54-21kswapd000:18:460
81630,0rcu_preempt3-21ksoftirqd/023:08:260
81630,0rcu_preempt3-21ksoftirqd/022:21:040
81630,0rcu_preempt3-21ksoftirqd/020:48:340
81630,0rcu_preempt3-21ksoftirqd/019:40:450
10050630,0irq/346-48484006175-21ssh00:03:201
81620,0rcu_preempt7008-21kworker/0:123:30:520
81620,0rcu_preempt3-21ksoftirqd/019:33:430
81600,0rcu_preempt3-21ksoftirqd/020:33:320
10050600,0irq/346-484840054-21kswapd023:17:211
81590,0rcu_preempt3-21ksoftirqd/022:13:250
81590,0rcu_preempt3-21ksoftirqd/021:48:320
81590,0rcu_preempt3-21ksoftirqd/021:43:260
81590,0rcu_preempt10576-21apt-get20:28:240
10050590,0irq/346-484840054-21kswapd022:50:261
10050590,0irq/346-484840054-21kswapd022:39:241
10050590,0irq/346-484840054-21kswapd021:55:091
10050590,0irq/346-484840019585-1kworker/1:0H23:02:321
81580,0rcu_preempt8326-21ssh22:08:260
81580,0rcu_preempt3-21ksoftirqd/022:53:240
81580,0rcu_preempt3-21ksoftirqd/022:33:440
81580,0rcu_preempt3-21ksoftirqd/020:43:230
81580,0rcu_preempt3-21ksoftirqd/000:30:210
81580,0rcu_preempt19972-21ping19:32:090
10050580,0irq/346-484840054-21kswapd000:03:330
10050580,0irq/346-484840014207-1kworker/0:1H21:40:060
81570,0rcu_preempt3-21ksoftirqd/019:53:420
10050570,0irq/346-484840054-21kswapd022:28:531
9950560,0irq/345-48484000-21swapper/123:12:111
81560,0rcu_preempt3-21ksoftirqd/023:03:240
81560,0rcu_preempt3-21ksoftirqd/022:58:240
81560,0rcu_preempt3-21ksoftirqd/022:28:410
81560,0rcu_preempt3-21ksoftirqd/019:08:250
81560,0rcu_preempt0-21swapper/021:12:270
10050560,0irq/346-48484000-21swapper/122:45:401
81550,0rcu_preempt3-21ksoftirqd/022:48:430
81550,0rcu_preempt3-21ksoftirqd/022:38:240
81550,0rcu_preempt3-21ksoftirqd/019:48:420
81540,0rcu_preempt3-21ksoftirqd/020:38:320
10050540,0irq/346-484840054-21kswapd021:39:471
10050540,0irq/346-484840031783-21ssh22:36:161
10050540,0irq/346-484840025989-21sh21:49:311
10050540,0irq/346-48484000-21swapper/121:18:561
81530,0rcu_preempt3-21ksoftirqd/020:13:240
81530,0rcu_preempt23523-21diskmemload23:33:410
81530,0rcu_preempt19-21ksoftirqd/100:23:211
10050530,0irq/346-484840054-21kswapd023:42:371
10050530,0irq/346-484840054-21kswapd023:25:311
10050530,0irq/346-484840011711-1kworker/1:2H23:33:201
9950520,0irq/345-48484000-21swapper/100:30:561
81520,0rcu_preempt3-21ksoftirqd/020:53:330
81520,0rcu_preempt3-21ksoftirqd/020:53:330
81520,0rcu_preempt3-21ksoftirqd/020:18:450
81520,0rcu_preempt27353-21ssh23:48:460
10050520,0irq/346-48484004359-21ssh23:21:261
81510,0rcu_preempt359-21kworker/0:019:59:090
81510,0rcu_preempt19-21ksoftirqd/123:48:581
10050510,0irq/346-484840054-21kswapd023:59:481
10050510,0irq/346-484840054-21kswapd023:57:011
10050510,0irq/346-484840054-21kswapd021:29:451
10050510,0irq/346-484840010578-1kworker/1:1H22:14:161
81500,0rcu_preempt3-21ksoftirqd/021:03:310
81500,0rcu_preempt3-21ksoftirqd/019:13:430
81500,0rcu_preempt3-21ksoftirqd/019:13:430
81500,0rcu_preempt19-21ksoftirqd/123:04:401
10050500,0irq/346-484840031665-21ssh21:18:021
10050500,0irq/346-484840011497-21ssh23:29:241
81490,0rcu_preempt3-21ksoftirqd/019:19:020
10050490,0irq/346-484840054-21kswapd000:22:551
10050490,0irq/346-484840031272-21ssh00:33:541
10050490,0irq/346-484840022602-21ssh21:45:401
10050490,0irq/346-484840022347-21ssh22:24:211
9950480,0irq/345-4848400764-21rngd22:06:421
10050480,0irq/346-48484005923-1kworker/1:3H21:26:451
81470,0rcu_preempt3-21ksoftirqd/019:45:410
10050470,0irq/346-484840013007-21ssh00:12:101
10050460,0irq/346-484840054-21kswapd022:58:101
10050450,0irq/346-484840054-21kswapd019:20:041
10050450,0irq/346-484840025976-1kworker/1:3H21:11:411
10050450,0irq/346-484840011058-21ssh22:11:201
81440,0rcu_preempt19-21ksoftirqd/120:23:421
10050440,0irq/346-484840019972-21ping19:23:371
81430,0rcu_preempt3-21ksoftirqd/019:03:450
10050430,0irq/346-484840013846-21sh00:13:231
10050410,0irq/346-48484000-21swapper/120:08:471
9950400,0irq/345-48484000-21swapper/122:03:111
81400,0rcu_preempt19-21ksoftirqd/123:43:351
10050400,0irq/346-484840054-21kswapd022:19:561
10050400,0irq/346-484840015720-21munin-node1
81390,0rcu_preempt19-21ksoftirqd/121:33:391
81390,0rcu_preempt19-21ksoftirqd/120:58:351
81380,0rcu_preempt19-21ksoftirqd/120:58:131
81380,0rcu_preempt19-21ksoftirqd/120:58:131
10050380,0irq/346-48484000-21swapper/119:35:201
81370,0rcu_preempt961-21avahi-daemon21:03:411
81370,0rcu_preempt19-21ksoftirqd/120:28:491
81370,0rcu_preempt19-21ksoftirqd/119:43:391
81370,0rcu_preempt19-21ksoftirqd/119:38:341
81370,0rcu_preempt19-21ksoftirqd/119:28:281
10050370,0irq/346-484840054-21kswapd019:58:391
10050370,0irq/346-484840032717-21ping20:04:531
81360,0rcu_preempt19-21ksoftirqd/120:38:511
10050350,0irq/346-484840016827-21cyclictest20:18:291
10050350,0irq/346-48484000-21swapper/120:47:411
81340,0rcu_preempt19-21ksoftirqd/119:18:141
81340,0rcu_preempt19-21ksoftirqd/119:18:141
10050340,0irq/346-48484000-21swapper/119:11:381
10050310,0irq/346-48484000-21swapper/120:51:401
10050310,0irq/346-48484000-21swapper/119:57:141
10050310,0irq/346-48484000-21swapper/119:51:141
10050300,0irq/346-48484000-21swapper/120:33:291
9950290,0irq/345-48484001682999cyclictest20:15:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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