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2021-09-19 - 19:53

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

ARMv7 Processor rev 2 (v7l), 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 the alll highest latencies:
System rackaslot5s.osadl.org (updated Sun Sep 19, 2021 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811410,0rcu_preempt18644-21ssh11:55:070
811360,0rcu_preempt3-21ksoftirqd/011:15:050
811330,0rcu_preempt3-21ksoftirqd/010:11:100
811270,0rcu_preempt3-21ksoftirqd/010:20:150
811250,0rcu_preempt12187-1kworker/0:1H07:39:410
811220,0rcu_preempt18355-21ls07:45:110
811220,0rcu_preempt18355-21ls07:45:110
811050,0rcu_preempt3-21ksoftirqd/011:49:410
811020,0rcu_preempt19-21ksoftirqd/107:39:511
811020,0rcu_preempt19-21ksoftirqd/107:19:591
10050800,0irq/346-4848400181ktimersoftd/109:44:381
81790,0rcu_preempt54-21kswapd007:19:230
10050740,0irq/346-4848400171rcuc/110:59:531
10050740,0irq/346-4848400171rcuc/109:39:431
81730,0rcu_preempt31707-1kworker/0:2H10:04:550
81720,0rcu_preempt54-21kswapd011:31:500
10050720,0irq/346-4848400181ktimersoftd/110:19:231
10050710,0irq/346-484840054-21kswapd009:29:530
10050690,0irq/346-48484007961-1kworker/0:3H09:36:320
10050690,0irq/346-484840025815-1kworker/0:1H11:35:250
81680,0rcu_preempt54-21kswapd011:26:410
81680,0rcu_preempt3775-1kworker/0:0H10:39:440
81680,0rcu_preempt25954-1kworker/0:1H09:40:010
81660,0rcu_preempt3-21ksoftirqd/012:09:360
81660,0rcu_preempt28933-21ls09:24:490
81660,0rcu_preempt19-21ksoftirqd/109:56:301
81660,0rcu_preempt19-21ksoftirqd/109:56:301
10050660,0irq/346-484840054-21kswapd011:10:420
9950650,0irq/345-48484002910-21sendmail-msp08:39:511
81650,0rcu_preempt3-21ksoftirqd/008:39:390
10050640,0irq/346-4848400171rcuc/112:10:051
10050640,0irq/346-4848400171rcuc/107:19:221
10050630,0irq/346-4848400171rcuc/111:36:191
10050630,0irq/346-4848400171rcuc/111:10:411
10050630,0irq/346-4848400171rcuc/109:38:301
81620,0rcu_preempt3-21ksoftirqd/010:00:350
81620,0rcu_preempt3-21ksoftirqd/007:35:520
81620,0rcu_preempt19-21ksoftirqd/112:15:231
81620,0rcu_preempt19-21ksoftirqd/111:22:201
81620,0rcu_preempt19-21ksoftirqd/108:05:011
10050620,0irq/346-484840023022-21if_eth211:59:530
10050620,0irq/346-4848400181ktimersoftd/110:45:481
10050620,0irq/346-4848400171rcuc/111:30:441
10050620,0irq/346-4848400171rcuc/111:04:521
81610,0rcu_preempt19-21ksoftirqd/109:10:491
81600,0rcu_preempt19-21ksoftirqd/111:17:131
81600,0rcu_preempt19-21ksoftirqd/109:32:101
10050600,0irq/346-484840031960-1kworker/0:2H11:41:070
10050600,0irq/346-4848400171rcuc/112:20:331
10050600,0irq/346-4848400171rcuc/111:57:551
81590,0rcu_preempt3-21ksoftirqd/010:59:450
81590,0rcu_preempt19-21ksoftirqd/112:37:491
81590,0rcu_preempt19-21ksoftirqd/108:36:191
10050590,0irq/346-4848400171rcuc/110:01:251
81580,0rcu_preempt3-21ksoftirqd/010:56:340
81580,0rcu_preempt3-21ksoftirqd/009:21:070
81580,0rcu_preempt3-21ksoftirqd/009:13:510
81580,0rcu_preempt3-21ksoftirqd/007:59:520
81580,0rcu_preempt19-21ksoftirqd/111:52:351
81580,0rcu_preempt19-21ksoftirqd/111:48:371
81580,0rcu_preempt19-21ksoftirqd/108:14:481
81570,0rcu_preempt3-21ksoftirqd/012:19:330
81570,0rcu_preempt19-21ksoftirqd/110:43:161
81570,0rcu_preempt19-21ksoftirqd/110:24:391
81570,0rcu_preempt19-21ksoftirqd/109:15:511
10050570,0irq/346-48484002500-1kworker/0:2H12:14:330
81560,0rcu_preempt3-21ksoftirqd/008:59:410
81560,0rcu_preempt19-21ksoftirqd/108:44:431
81560,0rcu_preempt19-21ksoftirqd/107:54:561
81560,0rcu_preempt19-21ksoftirqd/107:09:581
10050560,0irq/346-4848400171rcuc/112:06:441
10050560,0irq/346-4848400171rcuc/112:06:441
10050560,0irq/346-48484000-21swapper/012:34:580
81550,0rcu_preempt19-21ksoftirqd/110:21:491
10050550,0irq/346-4848400171rcuc/110:53:151
81540,0rcu_preempt8902-1kworker/0:3H07:19:280
81540,0rcu_preempt23587-21ping08:30:201
81540,0rcu_preempt19-21ksoftirqd/110:31:291
81540,0rcu_preempt19-21ksoftirqd/110:11:391
81540,0rcu_preempt19-21ksoftirqd/109:50:071
81540,0rcu_preempt1370-21runrttasks08:20:591
81540,0rcu_preempt0-21swapper/012:27:150
81530,0rcu_preempt19-21ksoftirqd/111:24:401
81530,0rcu_preempt19-21ksoftirqd/110:04:301
81530,0rcu_preempt19-21ksoftirqd/109:20:541
81530,0rcu_preempt19-21ksoftirqd/108:54:531
81530,0rcu_preempt19-21ksoftirqd/108:25:081
10050530,0irq/346-4848400171rcuc/110:55:041
81520,0rcu_preempt8483-21kworker/0:309:50:080
81520,0rcu_preempt19-21ksoftirqd/110:34:381
81520,0rcu_preempt19-21ksoftirqd/109:24:331
81520,0rcu_preempt19-21ksoftirqd/109:00:111
81520,0rcu_preempt16688-21ssh12:25:141
81520,0rcu_preempt1258-21lldpd08:49:230
10050520,0irq/346-4848400761-21rngd10:27:250
10050520,0irq/346-4848400111rcuc/010:14:460
10050520,0irq/346-48484000-21swapper/011:20:080
81500,0rcu_preempt19-21ksoftirqd/108:11:361
10050500,0irq/346-48484003775-1kworker/0:0H10:39:220
10050500,0irq/346-484840017083-21ssh09:45:000
81490,0rcu_preempt5328-21kworker/0:211:09:210
81490,0rcu_preempt3-21ksoftirqd/008:49:380
81490,0rcu_preempt3-21ksoftirqd/008:19:530
81490,0rcu_preempt3-21ksoftirqd/007:54:460
81490,0rcu_preempt19-21ksoftirqd/108:02:031
10050490,0irq/346-4848400761-21rngd10:31:160
10050490,0irq/346-484840054-21kswapd011:39:341
10050490,0irq/346-484840022799-21sh11:59:491
10050490,0irq/346-484840020974-21ssh12:29:510
10050490,0irq/346-484840016351-1kworker/0:0H10:53:210
81480,0rcu_preempt3-21ksoftirqd/011:44:460
81480,0rcu_preempt3-21ksoftirqd/007:50:070
81480,0rcu_preempt3-21ksoftirqd/007:04:570
81480,0rcu_preempt20888-21ssh12:29:491
81480,0rcu_preempt19-21ksoftirqd/109:04:371
81480,0rcu_preempt19-21ksoftirqd/107:25:161
10050480,0irq/346-48484007141-1kworker/0:2H10:46:110
81470,0rcu_preempt19-21ksoftirqd/107:45:141
81470,0rcu_preempt19-21ksoftirqd/107:45:141
81470,0rcu_preempt15935-21kworker/1:108:52:261
81470,0rcu_preempt12602-21apt-get07:29:421
10050470,0irq/346-48484000-21swapper/009:58:090
10050470,0irq/346-48484000-21swapper/009:58:090
10050470,0irq/346-48484000-21swapper/009:15:390
9950460,0irq/345-48484003-21ksoftirqd/012:04:540
9950460,0irq/345-48484003-21ksoftirqd/012:04:540
81460,0rcu_preempt3-21ksoftirqd/008:58:060
81460,0rcu_preempt3-21ksoftirqd/008:24:480
81460,0rcu_preempt3-21ksoftirqd/008:17:060
81460,0rcu_preempt3-21ksoftirqd/008:09:520
81460,0rcu_preempt3-21ksoftirqd/007:25:060
81460,0rcu_preempt19-21ksoftirqd/107:50:161
81450,0rcu_preempt19-21ksoftirqd/107:34:421
81440,0rcu_preempt3-21ksoftirqd/008:07:510
81440,0rcu_preempt19-21ksoftirqd/107:09:021
81430,0rcu_preempt11223-21apt-get09:04:360
81420,0rcu_preempt3-21ksoftirqd/008:34:520
81420,0rcu_preempt3-21ksoftirqd/008:29:460
81420,0rcu_preempt3-21ksoftirqd/007:09:570
9950410,0irq/345-48484000-21swapper/007:29:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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