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2023-03-20 - 17:53

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

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 the alll highest latencies:
System rackaslot5s.osadl.org (updated Mon Mar 20, 2023 12:43:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811470,0rcu_preempt19-21ksoftirqd/108:00:461
811210,0rcu_preempt3-21ksoftirqd/009:45:250
811180,0rcu_preempt3-21ksoftirqd/011:26:540
81960,0rcu_preempt30871-1kworker/0:2H11:50:410
81870,0rcu_preempt3-21ksoftirqd/012:25:440
10050780,0irq/346-484840024318-1kworker/0:0H09:51:100
81760,0rcu_preempt1342-1kworker/0:1H11:09:170
81750,0rcu_preempt19-21ksoftirqd/109:13:131
81740,0rcu_preempt19-21ksoftirqd/110:43:151
81740,0rcu_preempt19-21ksoftirqd/110:39:191
81740,0rcu_preempt19-21ksoftirqd/110:39:191
81740,0rcu_preempt19-21ksoftirqd/109:41:231
10050740,0irq/346-484840030386-1kworker/0:2H09:18:030
81730,0rcu_preempt19-21ksoftirqd/110:45:491
81720,0rcu_preempt19-21ksoftirqd/111:14:091
81720,0rcu_preempt19-21ksoftirqd/109:31:341
81710,0rcu_preempt19-21ksoftirqd/109:45:361
81710,0rcu_preempt0-21swapper/111:28:241
78912710,0sleep010050irq/346-484840008:16:410
81700,0rcu_preempt0-21swapper/111:00:591
81690,0rcu_preempt3-21ksoftirqd/011:24:480
81690,0rcu_preempt19-21ksoftirqd/109:51:561
81690,0rcu_preempt19-21ksoftirqd/109:16:081
10050690,0irq/346-48484007100-1kworker/0:0H09:31:210
81680,0rcu_preempt19-21ksoftirqd/112:28:271
81680,0rcu_preempt19-21ksoftirqd/111:07:291
81680,0rcu_preempt19-21ksoftirqd/110:58:271
81680,0rcu_preempt0-21swapper/112:24:451
81680,0rcu_preempt0-21swapper/111:31:391
81680,0rcu_preempt0-21swapper/110:50:521
81680,0rcu_preempt0-21swapper/110:34:201
10050680,0irq/346-48484002728-1kworker/0:1H12:00:120
81670,0rcu_preempt3-21ksoftirqd/010:47:180
81670,0rcu_preempt19-21ksoftirqd/109:22:421
81670,0rcu_preempt19-21ksoftirqd/109:22:421
81670,0rcu_preempt0-21swapper/111:53:181
81660,0rcu_preempt3-21ksoftirqd/010:59:190
81660,0rcu_preempt0-21swapper/112:00:531
81650,0rcu_preempt3-21ksoftirqd/010:26:210
81650,0rcu_preempt0-21swapper/109:26:101
65392650,0sleep010050irq/346-484840008:14:370
10050650,0irq/346-48484001869-1kworker/0:0H12:30:410
81640,0rcu_preempt3-21ksoftirqd/012:05:170
81640,0rcu_preempt19-21ksoftirqd/111:55:401
81630,0rcu_preempt3-21ksoftirqd/009:42:380
81630,0rcu_preempt3-21ksoftirqd/007:50:110
81630,0rcu_preempt19-21ksoftirqd/110:10:021
81620,0rcu_preempt3-21ksoftirqd/010:39:340
81620,0rcu_preempt3-21ksoftirqd/010:39:340
81620,0rcu_preempt19-21ksoftirqd/112:10:261
81620,0rcu_preempt19-21ksoftirqd/110:25:311
10050620,0irq/346-48484001897-1kworker/0:1H09:59:180
10050620,0irq/346-48484001897-1kworker/0:1H09:59:180
81610,0rcu_preempt3-21ksoftirqd/009:22:050
81610,0rcu_preempt3-21ksoftirqd/009:22:050
81610,0rcu_preempt19-21ksoftirqd/110:15:241
81610,0rcu_preempt19-21ksoftirqd/109:35:051
81610,0rcu_preempt19-21ksoftirqd/107:20:301
81600,0rcu_preempt31183-21apt-get09:55:011
81600,0rcu_preempt31183-21apt-get09:55:011
10050600,0irq/346-484840025539-1kworker/0:1H12:19:080
81590,0rcu_preempt792-21ls07:55:221
81590,0rcu_preempt3-21ksoftirqd/012:21:590
81590,0rcu_preempt3-21ksoftirqd/011:14:070
81590,0rcu_preempt3-21ksoftirqd/010:24:050
81590,0rcu_preempt3-21ksoftirqd/009:36:530
81590,0rcu_preempt3-21ksoftirqd/009:12:540
81590,0rcu_preempt19-21ksoftirqd/112:15:571
81590,0rcu_preempt19-21ksoftirqd/108:09:131
81590,0rcu_preempt15771-21ls08:40:280
10050590,0irq/346-48484000-21swapper/011:46:040
81580,0rcu_preempt3-21ksoftirqd/012:36:460
81580,0rcu_preempt3-21ksoftirqd/010:16:030
81570,0rcu_preempt3-21ksoftirqd/010:06:000
81570,0rcu_preempt19-21ksoftirqd/108:58:551
81570,0rcu_preempt19-21ksoftirqd/108:31:071
81570,0rcu_preempt19-21ksoftirqd/108:20:211
81570,0rcu_preempt19-21ksoftirqd/108:16:311
10050570,0irq/346-48484006017-21runrttasks11:18:010
10050570,0irq/346-48484000-21swapper/012:12:550
81560,0rcu_preempt20326-21apt-get11:35:011
81560,0rcu_preempt19-21ksoftirqd/108:29:051
81560,0rcu_preempt19-21ksoftirqd/108:12:031
81550,0rcu_preempt19-21ksoftirqd/110:20:191
81550,0rcu_preempt17939-1kworker/1:3H11:40:211
10050550,0irq/346-484840012129-1kworker/0:0H10:50:400
81540,0rcu_preempt3-21ksoftirqd/010:12:120
81540,0rcu_preempt3-21ksoftirqd/009:27:330
81540,0rcu_preempt3-21ksoftirqd/008:25:340
81540,0rcu_preempt19-21ksoftirqd/111:45:251
81540,0rcu_preempt19-21ksoftirqd/108:39:411
81540,0rcu_preempt19-21ksoftirqd/108:39:411
123302540,0sleep010050irq/346-484840008:30:330
81530,0rcu_preempt19-21ksoftirqd/110:00:201
81530,0rcu_preempt19-21ksoftirqd/107:50:101
81530,0rcu_preempt19-21ksoftirqd/107:45:291
10050530,0irq/346-48484000-21swapper/011:56:410
10050530,0irq/346-48484000-21swapper/011:37:560
9950520,0irq/345-48484000-21swapper/007:05:190
81520,0rcu_preempt19-21ksoftirqd/109:05:271
81510,0rcu_preempt4580-21kworker/1:011:15:221
81510,0rcu_preempt20134-21ls07:15:181
81510,0rcu_preempt19-21ksoftirqd/111:22:411
81510,0rcu_preempt19-21ksoftirqd/108:50:201
81500,0rcu_preempt4580-21kworker/1:010:07:061
81500,0rcu_preempt3-21ksoftirqd/011:01:270
10050500,0irq/346-48484006038-1kworker/0:0H10:40:400
10050500,0irq/346-484840021228-1kworker/0:1H11:40:510
10050500,0irq/346-484840016364-21ssh11:30:140
10050500,0irq/346-48484000-21swapper/010:00:160
81490,0rcu_preempt3-21ksoftirqd/007:40:240
81490,0rcu_preempt19-21ksoftirqd/112:30:091
81480,0rcu_preempt946-21thttpd12:39:161
81480,0rcu_preempt3-21ksoftirqd/010:31:410
81480,0rcu_preempt3-21ksoftirqd/008:20:100
81480,0rcu_preempt23699-21kworker/0:109:09:490
81480,0rcu_preempt19-21ksoftirqd/112:09:111
81480,0rcu_preempt19-21ksoftirqd/107:35:081
81480,0rcu_preempt19-21ksoftirqd/107:35:081
10050480,0irq/346-484840016082-1kworker/1:2H08:45:271
81470,0rcu_preempt3-21ksoftirqd/008:00:050
13250470,0irq/301-48020003-21ksoftirqd/007:30:070
10050470,0irq/346-484840017782-21ls07:09:491
81460,0rcu_preempt54-21kswapd007:25:091
81460,0rcu_preempt3-21ksoftirqd/008:05:040
81460,0rcu_preempt19-21ksoftirqd/107:30:251
17920994626,0cyclictest14867-21apt-get08:40:001
81450,0rcu_preempt19-21ksoftirqd/107:40:101
81450,0rcu_preempt19-21ksoftirqd/107:10:071
9950440,0irq/345-48484000-21swapper/007:45:230
81440,0rcu_preempt3-21ksoftirqd/008:35:320
81440,0rcu_preempt3-21ksoftirqd/008:35:320
81440,0rcu_preempt21470-21kworker/0:007:38:560
81440,0rcu_preempt21470-21kworker/0:007:38:560
81430,0rcu_preempt21470-21kworker/0:007:27:310
81430,0rcu_preempt21470-21kworker/0:007:20:400
10050430,0irq/346-484840019741-21apt-get08:55:000
81420,0rcu_preempt19-21ksoftirqd/109:00:221
1791999421,0cyclictest1571-21ping07:59:490
81410,0rcu_preempt3-21ksoftirqd/009:00:270
81410,0rcu_preempt3-21ksoftirqd/008:47:510
10050410,0irq/346-484840017985-1kworker/0:0H08:50:040
10050400,0irq/346-484840014511-1kworker/0:0H07:15:370
10050390,0irq/346-484840014511-1kworker/0:0H07:10:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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