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2022-08-14 - 21:32

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 Sun Aug 14, 2022 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811060,0rcu_preempt18580-21ls10:43:291
811030,0rcu_preempt19-21ksoftirqd/107:43:141
811020,0rcu_preempt19-21ksoftirqd/111:17:081
811010,0rcu_preempt19-21ksoftirqd/110:39:581
811010,0rcu_preempt19-21ksoftirqd/109:16:241
811000,0rcu_preempt19-21ksoftirqd/111:06:121
811000,0rcu_preempt19-21ksoftirqd/109:33:131
811000,0rcu_preempt19-21ksoftirqd/109:08:201
811000,0rcu_preempt19-21ksoftirqd/107:48:031
811000,0rcu_preempt19-21ksoftirqd/107:38:221
81990,0rcu_preempt19-21ksoftirqd/110:25:001
81980,0rcu_preempt9186-21ssh11:44:111
81980,0rcu_preempt19-21ksoftirqd/112:34:211
81980,0rcu_preempt19-21ksoftirqd/112:28:541
81980,0rcu_preempt19-21ksoftirqd/112:03:221
81980,0rcu_preempt19-21ksoftirqd/110:03:261
81980,0rcu_preempt19-21ksoftirqd/109:21:511
81970,0rcu_preempt19-21ksoftirqd/112:08:151
81970,0rcu_preempt19-21ksoftirqd/109:48:241
81960,0rcu_preempt19-21ksoftirqd/111:25:561
81960,0rcu_preempt19-21ksoftirqd/111:19:181
81960,0rcu_preempt19-21ksoftirqd/110:37:031
81950,0rcu_preempt19-21ksoftirqd/111:54:541
81950,0rcu_preempt19-21ksoftirqd/111:51:551
81940,0rcu_preempt19-21ksoftirqd/111:41:111
81930,0rcu_preempt19-21ksoftirqd/110:30:451
81930,0rcu_preempt19-21ksoftirqd/109:59:401
81930,0rcu_preempt19-21ksoftirqd/109:42:561
81930,0rcu_preempt19-21ksoftirqd/109:31:181
81920,0rcu_preempt19-21ksoftirqd/109:53:591
81910,0rcu_preempt19-21ksoftirqd/109:41:471
81900,0rcu_preempt19-21ksoftirqd/111:29:391
81900,0rcu_preempt19-21ksoftirqd/111:01:211
81890,0rcu_preempt19-21ksoftirqd/110:20:071
81880,0rcu_preempt19-21ksoftirqd/111:08:341
81870,0rcu_preempt19-21ksoftirqd/110:51:301
81870,0rcu_preempt19-21ksoftirqd/108:04:431
10050860,0irq/346-48484000-21swapper/012:22:570
81840,0rcu_preempt54-21kswapd010:12:021
81840,0rcu_preempt19-21ksoftirqd/108:26:231
81840,0rcu_preempt19-21ksoftirqd/107:21:141
81830,0rcu_preempt19-21ksoftirqd/112:24:581
81830,0rcu_preempt19-21ksoftirqd/112:15:421
81830,0rcu_preempt19-21ksoftirqd/107:24:161
81820,0rcu_preempt19-21ksoftirqd/108:12:441
81820,0rcu_preempt19-21ksoftirqd/107:34:091
81810,0rcu_preempt21501-21munin-node1
81810,0rcu_preempt19-21ksoftirqd/112:01:371
81810,0rcu_preempt19-21ksoftirqd/108:18:051
81810,0rcu_preempt19-21ksoftirqd/107:28:321
81800,0rcu_preempt19-21ksoftirqd/109:03:041
81800,0rcu_preempt19-21ksoftirqd/109:03:041
81800,0rcu_preempt19-21ksoftirqd/108:10:251
81790,0rcu_preempt19-21ksoftirqd/110:54:341
81790,0rcu_preempt19-21ksoftirqd/108:28:271
81790,0rcu_preempt19-21ksoftirqd/107:58:191
81780,0rcu_preempt23279-21kworker/1:208:43:111
81780,0rcu_preempt23279-21kworker/1:207:08:021
81780,0rcu_preempt19-21ksoftirqd/110:13:081
81770,0rcu_preempt3-21ksoftirqd/011:37:570
81770,0rcu_preempt19-21ksoftirqd/108:48:471
81750,0rcu_preempt19-21ksoftirqd/112:20:511
81750,0rcu_preempt16881-21ntp_states08:38:111
81750,0rcu_preempt0-21swapper/111:34:461
81740,0rcu_preempt19-21ksoftirqd/108:33:011
81730,0rcu_preempt19-21ksoftirqd/107:57:241
81720,0rcu_preempt19-21ksoftirqd/108:58:161
81710,0rcu_preempt54-21kswapd008:47:520
81710,0rcu_preempt19-21ksoftirqd/109:23:291
10050710,0irq/346-484840029050-1kworker/0:1H10:20:450
81690,0rcu_preempt19-21ksoftirqd/107:13:071
10050690,0irq/346-484840032195-1kworker/0:1H11:26:420
10050690,0irq/346-484840014242-1kworker/0:0H12:28:060
10050680,0irq/346-48484009101-1kworker/0:0H11:10:480
10050680,0irq/346-484840054-21kswapd012:12:580
10050630,0irq/346-484840041ktimersoftd/012:07:580
10050620,0irq/346-484840054-21kswapd011:58:420
10050620,0irq/346-484840014861-1kworker/0:0H09:46:500
10050590,0irq/346-484840014584-1kworker/0:3H10:41:060
81580,0rcu_preempt3-21ksoftirqd/011:35:360
10050570,0irq/346-48484009350-1kworker/0:0H11:45:100
10050560,0irq/346-484840054-21kswapd010:33:200
81550,0rcu_preempt54-21kswapd010:13:180
10050540,0irq/346-484840054-21kswapd010:49:170
10050540,0irq/346-484840017268-21rm11:53:040
10050540,0irq/346-484840010227-1kworker/0:2H09:26:280
10050530,0irq/346-48484009603-1kworker/0:3H12:21:120
10050530,0irq/346-484840054-21kswapd011:15:300
10050530,0irq/346-484840054-21kswapd010:01:310
10050530,0irq/346-484840027540-1kworker/0:0H10:59:220
10050530,0irq/346-484840015999-21ssh11:52:160
81520,0rcu_preempt3-21ksoftirqd/007:03:070
10050520,0irq/346-484840029892chrt09:17:470
10050510,0irq/346-484840031681-21ls09:48:120
10050510,0irq/346-484840015245-21ssh10:05:280
10050510,0irq/346-484840014584-1kworker/0:3H10:53:060
10050510,0irq/346-484840010227-1kworker/0:2H09:28:470
10050500,0irq/346-484840054-21kswapd011:20:180
10050500,0irq/346-484840054-21kswapd010:45:530
10050500,0irq/346-484840054-21kswapd009:53:390
10050500,0irq/346-48484002441-21munin-node0
10050500,0irq/346-484840020688-1kworker/0:0H09:12:180
10050490,0irq/346-484840054-21kswapd012:33:290
10050480,0irq/346-484840054-21kswapd010:26:530
10050480,0irq/346-484840054-21kswapd009:16:320
10050480,0irq/346-484840027759-1kworker/0:3H11:30:560
9950460,0irq/345-48484000-21swapper/009:39:040
10050460,0irq/346-48484003625-21fschecks_count10:28:020
10050460,0irq/346-484840010868-1kworker/0:3H08:22:540
10050450,0irq/346-4848400764-21rngd12:03:330
10050450,0irq/346-48484003-21ksoftirqd/010:11:510
10050440,0irq/346-484840018083-21fschecks_time08:43:000
10050440,0irq/346-48484000-21swapper/008:13:040
19159994311,0cyclictest0-21swapper/009:36:530
1915999412,0cyclictest2726-21ping07:57:500
1915999412,0cyclictest22298-21ping07:17:520
10050410,0irq/346-48484005957-1kworker/0:2H08:08:120
10050410,0irq/346-484840020007-21ls07:08:110
10050410,0irq/346-484840016202-21aten_rapower_cu08:37:500
81400,0rcu_preempt22298-21ping07:27:500
81400,0rcu_preempt19-21ksoftirqd/107:02:501
1915999404,0cyclictest28549-1kworker/0:0H07:39:460
9950390,0irq/345-48484002504-21unixbench_singl07:53:190
1915999393,0cyclictest0-21swapper/007:37:360
1915999392,0cyclictest0-21swapper/007:23:000
10050380,0irq/346-484840025871-21latency_hist09:07:360
10050380,0irq/346-484840025871-21latency_hist09:07:360
10050380,0irq/346-484840022572-21sh08:57:360
10050380,0irq/346-484840010556-21ls08:18:200
1915999373,0cyclictest0-21swapper/008:28:050
1915999373,0cyclictest0-21swapper/008:03:060
10050370,0irq/346-484840015191-21ls08:33:130
10050370,0irq/346-48484000-21swapper/008:58:170
1915999367,0cyclictest0-21swapper/007:51:430
10050360,0irq/346-48484000-21swapper/007:13:090
19159993415,0cyclictest22298-21ping07:42:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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