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2023-03-27 - 16:56

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 792 highest latencies:
System rackaslot5s.osadl.org (updated Mon Mar 27, 2023 12:43:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191052930,0sleep09950irq/345-484840011:19:430
81830,0rcu_preempt0-21swapper/109:15:401
180492820,0sleep09950irq/345-484840009:24:050
81790,0rcu_preempt20366-21ssh11:58:331
81770,0rcu_preempt2808-21ssh11:37:571
81750,0rcu_preempt13890-21ssh09:56:271
81750,0rcu_preempt13890-21ssh09:56:271
81740,0rcu_preempt19-21ksoftirqd/111:30:181
81740,0rcu_preempt19-21ksoftirqd/108:00:101
81730,0rcu_preempt3692-21kworker/1:212:39:201
81730,0rcu_preempt3692-21kworker/1:210:44:011
81730,0rcu_preempt3-21ksoftirqd/011:49:060
81720,0rcu_preempt19-21ksoftirqd/110:46:471
81720,0rcu_preempt19-21ksoftirqd/108:25:291
81710,0rcu_preempt19-21ksoftirqd/107:44:071
81700,0rcu_preempt19-21ksoftirqd/110:05:121
81690,0rcu_preempt19-21ksoftirqd/109:51:401
81690,0rcu_preempt19-21ksoftirqd/109:34:081
81690,0rcu_preempt17819-1kworker/1:3H10:04:261
81680,0rcu_preempt19-21ksoftirqd/112:28:451
81670,0rcu_preempt19-21ksoftirqd/109:36:321
81660,0rcu_preempt21266-21ps08:15:251
81660,0rcu_preempt19-21ksoftirqd/111:04:291
216872650,0sleep010050irq/346-484840008:16:540
81640,0rcu_preempt3088-21ls12:15:291
81640,0rcu_preempt27537-1kworker/0:2H12:10:180
81640,0rcu_preempt23031-1kworker/0:0H09:30:260
81630,0rcu_preempt19-21ksoftirqd/110:13:131
81630,0rcu_preempt19-21ksoftirqd/110:13:131
81620,0rcu_preempt19-21ksoftirqd/110:54:561
81600,0rcu_preempt19-21ksoftirqd/112:00:331
81600,0rcu_preempt19-21ksoftirqd/112:00:331
81600,0rcu_preempt19-21ksoftirqd/109:10:571
81590,0rcu_preempt21593-1kworker/0:1H12:38:550
81590,0rcu_preempt19-21ksoftirqd/110:26:051
288012590,0sleep09950irq/345-484840011:30:180
81580,0rcu_preempt3-21ksoftirqd/011:35:210
81580,0rcu_preempt3-21ksoftirqd/010:19:550
81580,0rcu_preempt19-21ksoftirqd/111:47:221
81580,0rcu_preempt19-21ksoftirqd/109:20:171
81570,0rcu_preempt19-21ksoftirqd/112:21:491
9950560,0irq/345-484840022490-21ssh12:00:250
9950560,0irq/345-484840022490-21ssh12:00:250
81560,0rcu_preempt19-21ksoftirqd/109:46:531
81560,0rcu_preempt19-21ksoftirqd/109:46:531
81560,0rcu_preempt19-21ksoftirqd/109:26:491
10050560,0irq/346-48484007290-1kworker/0:0H10:30:030
81550,0rcu_preempt3633-21kworker/0:010:27:090
81550,0rcu_preempt19-21ksoftirqd/112:08:081
81550,0rcu_preempt19-21ksoftirqd/111:22:431
81550,0rcu_preempt19-21ksoftirqd/110:37:021
81550,0rcu_preempt1840-21apt-get12:14:540
81540,0rcu_preempt19-21ksoftirqd/107:39:431
81540,0rcu_preempt19-21ksoftirqd/107:39:431
81530,0rcu_preempt3-21ksoftirqd/009:35:030
81530,0rcu_preempt21853-21kworker/0:008:19:480
81520,0rcu_preempt3-21ksoftirqd/010:16:120
81520,0rcu_preempt19-21ksoftirqd/108:09:561
10050520,0irq/346-484840011549-1kworker/0:1H10:39:450
81510,0rcu_preempt23847-21kworker/1:108:45:221
81510,0rcu_preempt0-21swapper/108:40:251
9950500,0irq/345-484840032163-1kworker/0:3H11:02:280
81500,0rcu_preempt3-21ksoftirqd/008:10:460
81500,0rcu_preempt31767-1kworker/0:0H07:19:420
81500,0rcu_preempt19-21ksoftirqd/110:30:401
81500,0rcu_preempt19-21ksoftirqd/109:00:181
81500,0rcu_preempt19-21ksoftirqd/107:20:461
81500,0rcu_preempt15212-21ping08:00:240
81500,0rcu_preempt0-21swapper/111:27:511
10050500,0irq/346-484840018953-21ssh09:25:000
9950490,0irq/345-4848400181ktimersoftd/111:40:181
81490,0rcu_preempt3-21ksoftirqd/008:29:420
81490,0rcu_preempt19-21ksoftirqd/108:55:081
81490,0rcu_preempt19-21ksoftirqd/108:05:341
81490,0rcu_preempt10879-21apt-get11:09:541
81490,0rcu_preempt10474-21apt-get09:14:560
289512490,0chrt24724-1kworker/0:2H10:52:490
81480,0rcu_preempt3-21ksoftirqd/011:39:540
81480,0rcu_preempt3-21ksoftirqd/010:57:180
81480,0rcu_preempt3-21ksoftirqd/007:57:300
81480,0rcu_preempt19-21ksoftirqd/111:15:331
9950470,0irq/345-48484002429-21ping07:29:430
81470,0rcu_preempt6188-21kworker/u4:011:52:571
81470,0rcu_preempt6188-21kworker/u4:011:52:571
81470,0rcu_preempt3-21ksoftirqd/011:55:290
81470,0rcu_preempt3-21ksoftirqd/011:27:020
81470,0rcu_preempt3-21ksoftirqd/009:14:360
81470,0rcu_preempt3-21ksoftirqd/007:05:250
81470,0rcu_preempt27000-21apt-get08:34:551
81470,0rcu_preempt25370-21ls10:10:130
81470,0rcu_preempt25370-21ls10:10:130
81470,0rcu_preempt22620-21kworker/0:010:07:540
81470,0rcu_preempt19-21ksoftirqd/112:13:341
81470,0rcu_preempt19-21ksoftirqd/107:48:041
81470,0rcu_preempt19-21ksoftirqd/107:48:041
81470,0rcu_preempt14732-21apt-get12:29:571
10050470,0irq/346-484840015212-21ping08:04:570
10050470,0irq/346-484840011549-1kworker/0:1H10:34:510
10050470,0irq/346-484840010317-1kworker/0:1H11:50:200
10050470,0irq/346-484840010317-1kworker/0:1H11:50:200
9950460,0irq/345-4848400333-1kworker/1:0H11:05:431
81460,0rcu_preempt4945-21ls09:05:071
81460,0rcu_preempt3-21ksoftirqd/010:45:310
81460,0rcu_preempt3-21ksoftirqd/008:45:210
81460,0rcu_preempt23512-21kworker/0:208:58:160
81460,0rcu_preempt19-21ksoftirqd/110:18:461
81460,0rcu_preempt19-21ksoftirqd/108:20:031
81460,0rcu_preempt16768-21kworker/0:212:34:040
81460,0rcu_preempt1180-21kworker/0:007:29:470
9950450,0irq/345-48484000-21swapper/011:04:440
81450,0rcu_preempt30517-21kworker/0:109:50:160
81450,0rcu_preempt25374-21apt-get08:29:551
81450,0rcu_preempt21302-21ssh11:21:210
81450,0rcu_preempt19-21ksoftirqd/107:33:591
81450,0rcu_preempt19-21ksoftirqd/107:25:561
1599450,0migration/010053-21timerwakeupswit07:40:410
10050450,0irq/346-484840029575-1kworker/0:1H09:55:120
10050450,0irq/346-484840029575-1kworker/0:1H09:55:120
10050450,0irq/346-484840017820-1kworker/0:3H10:04:420
9950440,0irq/345-48484005854-21diskmemload09:40:400
9950440,0irq/345-484840025934-21taskset12:05:070
9950440,0irq/345-48484002429-21ping07:39:430
9950440,0irq/345-48484002429-21ping07:39:430
9950440,0irq/345-48484001366-21runrttasks08:50:130
81440,0rcu_preempt711-21apt-get10:19:551
81440,0rcu_preempt3-21ksoftirqd/012:27:040
81440,0rcu_preempt19-21ksoftirqd/108:49:551
10050440,0irq/346-48484001919-1kworker/0:0H09:45:120
10050440,0irq/346-48484001919-1kworker/0:0H09:45:120
9950430,0irq/345-48484000-21swapper/007:45:080
9950430,0irq/345-48484000-21swapper/007:45:080
9950430,0irq/345-48484000-21swapper/007:20:150
81430,0rcu_preempt0-21swapper/110:51:351
10050430,0irq/346-48484008392-1kworker/0:0H11:09:500
10050430,0irq/346-484840027537-1kworker/0:2H12:20:120
10050430,0irq/346-484840024858-1kworker/0:4H08:29:560
9950420,0irq/345-48484000-21swapper/109:40:581
81420,0rcu_preempt19-21ksoftirqd/107:54:581
81420,0rcu_preempt19-21ksoftirqd/107:19:441
10050420,0irq/346-48484003863-1kworker/0:4H09:05:310
10050420,0irq/346-484840026485-1kworker/0:0H08:34:540
81410,0rcu_preempt30075-21kworker/0:107:10:070
81410,0rcu_preempt19-21ksoftirqd/107:06:001
81400,0rcu_preempt3-21ksoftirqd/007:49:450
81400,0rcu_preempt0-21swapper/107:50:111
10050400,0irq/346-484840026485-1kworker/0:0H08:44:120
10050400,0irq/346-48484002314-1kworker/0:0H09:00:000
81380,0rcu_preempt19-21ksoftirqd/107:13:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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