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2025-05-02 - 12:28

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 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

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 Fri May 02, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800,0rcu_preempt0-21swapper/122:24:471
81770,0rcu_preempt5551-1kworker/1:1H19:32:491
81740,0rcu_preempt19-21ksoftirqd/123:38:181
81740,0rcu_preempt19-21ksoftirqd/123:38:181
81710,0rcu_preempt19-21ksoftirqd/100:22:041
81690,0rcu_preempt19-21ksoftirqd/122:31:411
81680,0rcu_preempt19-21ksoftirqd/120:15:081
81680,0rcu_preempt0-21swapper/123:13:291
10050680,0irq/346-484840025761-1kworker/0:1H22:46:520
81670,0rcu_preempt19-21ksoftirqd/122:42:181
81670,0rcu_preempt19-21ksoftirqd/121:39:441
81670,0rcu_preempt19-21ksoftirqd/120:23:061
81670,0rcu_preempt19-21ksoftirqd/120:23:061
81670,0rcu_preempt19-21ksoftirqd/120:08:031
81670,0rcu_preempt0-21swapper/122:48:051
81670,0rcu_preempt0-21swapper/121:37:441
81660,0rcu_preempt19-21ksoftirqd/123:54:401
81660,0rcu_preempt0-21swapper/119:13:141
81650,0rcu_preempt3-21ksoftirqd/022:53:160
81650,0rcu_preempt3-21ksoftirqd/020:53:220
81650,0rcu_preempt3-21ksoftirqd/020:48:120
81650,0rcu_preempt19-21ksoftirqd/121:13:001
81650,0rcu_preempt19-21ksoftirqd/100:04:041
81640,0rcu_preempt19-21ksoftirqd/123:10:051
81640,0rcu_preempt19-21ksoftirqd/122:59:411
81640,0rcu_preempt19-21ksoftirqd/122:18:001
81640,0rcu_preempt19-21ksoftirqd/121:08:271
81640,0rcu_preempt19-21ksoftirqd/119:33:171
9950630,0irq/345-4848400171rcuc/123:46:171
81630,0rcu_preempt3-21ksoftirqd/021:03:180
81630,0rcu_preempt19-21ksoftirqd/121:18:061
81630,0rcu_preempt19-21ksoftirqd/100:14:051
81620,0rcu_preempt54-21kswapd000:31:020
81620,0rcu_preempt3267-21apt-get21:43:031
81620,0rcu_preempt19-21ksoftirqd/123:34:311
81620,0rcu_preempt19-21ksoftirqd/122:10:361
81620,0rcu_preempt19-21ksoftirqd/122:00:281
81620,0rcu_preempt19-21ksoftirqd/121:55:051
81610,0rcu_preempt3-21ksoftirqd/022:33:180
81610,0rcu_preempt19-21ksoftirqd/123:49:401
81610,0rcu_preempt19-21ksoftirqd/123:28:021
81610,0rcu_preempt19-21ksoftirqd/123:25:091
81610,0rcu_preempt19-21ksoftirqd/122:35:491
81610,0rcu_preempt19-21ksoftirqd/121:03:011
81610,0rcu_preempt19-21ksoftirqd/119:08:021
81610,0rcu_preempt19-21ksoftirqd/100:10:371
10050610,0irq/346-484840054-21kswapd022:55:571
81600,0rcu_preempt3-21ksoftirqd/023:23:510
81600,0rcu_preempt3-21ksoftirqd/023:04:530
81600,0rcu_preempt22179-21apt-get23:18:021
81600,0rcu_preempt19-21ksoftirqd/123:06:121
81600,0rcu_preempt19-21ksoftirqd/122:12:591
81600,0rcu_preempt19-21ksoftirqd/121:28:211
81600,0rcu_preempt19-21ksoftirqd/100:35:141
10050600,0irq/346-48484009414-1kworker/0:0H21:50:020
81590,0rcu_preempt54-21kswapd000:03:110
81590,0rcu_preempt3-21ksoftirqd/021:19:140
81590,0rcu_preempt19-21ksoftirqd/122:44:231
81590,0rcu_preempt19-21ksoftirqd/100:30:151
10050590,0irq/346-484840026247-21ssh22:08:150
81580,0rcu_preempt3-21ksoftirqd/022:18:150
81580,0rcu_preempt27477-21df_inode20:38:091
81580,0rcu_preempt19-21ksoftirqd/121:26:461
81580,0rcu_preempt19-21ksoftirqd/121:26:461
81580,0rcu_preempt19-21ksoftirqd/120:58:121
81580,0rcu_preempt19-21ksoftirqd/120:33:041
81580,0rcu_preempt19-21ksoftirqd/120:02:411
81580,0rcu_preempt19-21ksoftirqd/100:26:511
81570,0rcu_preempt3-21ksoftirqd/022:13:040
81560,0rcu_preempt28910-21munin-node1
81560,0rcu_preempt24796-1kworker/0:2H21:32:350
81560,0rcu_preempt19-21ksoftirqd/122:03:011
81560,0rcu_preempt19-21ksoftirqd/121:48:261
81560,0rcu_preempt19-21ksoftirqd/120:21:461
81550,0rcu_preempt3-21ksoftirqd/020:28:180
81550,0rcu_preempt19-21ksoftirqd/123:58:141
81550,0rcu_preempt19-21ksoftirqd/120:29:101
81550,0rcu_preempt19-21ksoftirqd/120:05:451
81540,0rcu_preempt19-21ksoftirqd/120:48:111
10050540,0irq/346-4848400753-21rngd22:52:320
81530,0rcu_preempt19-21ksoftirqd/120:53:071
81530,0rcu_preempt19-21ksoftirqd/119:53:141
81520,0rcu_preempt3-21ksoftirqd/023:40:550
81520,0rcu_preempt3-21ksoftirqd/023:40:550
81520,0rcu_preempt28573-21apt-get19:03:000
10050520,0irq/346-48484000-21swapper/023:13:020
10050510,0irq/346-48484001261-1kworker/0:2H21:43:160
81500,0rcu_preempt3-21ksoftirqd/020:08:110
81490,0rcu_preempt3-21ksoftirqd/021:58:020
81490,0rcu_preempt3-21ksoftirqd/021:33:040
10050490,0irq/346-484840017294-21ssh23:48:210
10050490,0irq/346-48484000-21swapper/022:39:040
81480,0rcu_preempt4536-21diskmemload00:12:490
81480,0rcu_preempt3-21ksoftirqd/020:23:060
81480,0rcu_preempt3-21ksoftirqd/020:23:060
81480,0rcu_preempt3-21ksoftirqd/020:13:160
81480,0rcu_preempt3-21ksoftirqd/019:08:070
81480,0rcu_preempt3-21ksoftirqd/000:23:170
30074994834,0cyclictest9269-21apt-get19:43:051
81470,0rcu_preempt4833-21apt-get21:08:030
81470,0rcu_preempt3-21ksoftirqd/020:18:070
10050470,0irq/346-484840026741-1kworker/0:0H00:08:190
10050470,0irq/346-484840020444-21apt-get23:53:000
10050470,0irq/346-48484000-21swapper/022:26:030
81460,0rcu_preempt30072-21cyclictest21:22:490
81460,0rcu_preempt30072-21cyclictest21:22:490
81460,0rcu_preempt19-21ksoftirqd/119:49:121
10050460,0irq/346-48484003-21ksoftirqd/019:33:070
10050460,0irq/346-484840021198-21ssh00:33:170
10050460,0irq/346-484840012517-21ssh21:53:100
81450,0rcu_preempt3-21ksoftirqd/023:33:060
81450,0rcu_preempt3-21ksoftirqd/020:33:190
81450,0rcu_preempt19-21ksoftirqd/119:23:111
10050450,0irq/346-48484008701-21cron23:02:480
10050450,0irq/346-48484007734-21wget19:38:101
10050450,0irq/346-484840031204-21ssh21:37:540
10050450,0irq/346-484840024790-21ssh22:07:300
10050450,0irq/346-484840010912-21cut22:28:070
81440,0rcu_preempt3-21ksoftirqd/023:43:110
81440,0rcu_preempt3-21ksoftirqd/023:18:070
81440,0rcu_preempt3-21ksoftirqd/020:03:080
30074994427,0cyclictest1264-21munin-node1
10050440,0irq/346-48484002640-1kworker/0:3H21:13:300
10050440,0irq/346-484840010907-1kworker/0:2H23:08:060
81430,0rcu_preempt0-21swapper/019:58:020
10050430,0irq/346-48484001324-21ssh23:30:330
10050430,0irq/346-484840010171-21sshd00:18:180
10050430,0irq/346-48484000-21swapper/021:00:040
81410,0rcu_preempt8023-21munin-node0
3007399412,0cyclictest908-21ping19:23:130
10050410,0irq/346-484840028569-1kworker/0:3H23:58:110
81400,0rcu_preempt3-21ksoftirqd/020:45:050
81400,0rcu_preempt3-21ksoftirqd/020:39:310
30073994013,0cyclictest0-21swapper/019:43:160
81390,0rcu_preempt3-21ksoftirqd/019:55:020
81390,0rcu_preempt3-21ksoftirqd/019:48:010
81390,0rcu_preempt3-21ksoftirqd/019:27:540
81390,0rcu_preempt3-21ksoftirqd/019:18:190
81390,0rcu_preempt19-21ksoftirqd/119:07:301
81380,0rcu_preempt3-21ksoftirqd/019:13:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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