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2024-05-25 - 06:32

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #4, slot #1

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot1s.osadl.org (updated Sat May 25, 2024 00:43:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1635021010,2sleep20-21swapper/220:38:382
1635021010,2sleep20-21swapper/220:38:382
297172830,3sleep20-21swapper/219:48:332
297172830,3sleep20-21swapper/219:48:332
91942710,3chrt0-21swapper/221:48:202
91942710,3chrt0-21swapper/221:48:202
14337996963,3cyclictest0-21swapper/100:03:111
14337996963,3cyclictest0-21swapper/100:03:111
14337996963,3cyclictest0-21swapper/100:03:111
1433799631,4cyclictest0-21swapper/120:23:191
1433799631,4cyclictest0-21swapper/120:23:191
14335996210,10cyclictest181rcu_preempt23:03:200
14335996210,10cyclictest181rcu_preempt23:03:200
128942600,3chrt0-21swapper/223:23:232
128942600,3chrt0-21swapper/223:23:232
35642590,1sleep13593-21fschecks_count21:33:211
140672594,18sleep014111-21basename19:13:070
259862580,2sleep20-21swapper/222:33:062
259862580,2sleep20-21swapper/222:33:062
1433799581,40cyclictest799-21runrttasks21:13:191
1433799581,40cyclictest799-21runrttasks21:13:191
75812550,3sleep30-21swapper/321:43:233
75812550,3sleep30-21swapper/321:43:233
1433599556,42cyclictest799-21runrttasks22:48:200
1433599556,42cyclictest799-21runrttasks22:48:200
203792520,2sleep120381-21sshd20:50:201
14335995231,15cyclictest171ktimers/021:23:180
14335995231,15cyclictest171ktimers/021:23:180
160542500,2sleep2351rcuc/222:03:362
160542500,2sleep2351rcuc/222:03:362
154632490,3chrt0-21swapper/323:28:353
154632490,3chrt0-21swapper/323:28:353
154632490,3chrt0-21swapper/323:28:353
1433999492,35cyclictest27789-21chrt00:03:123
1433999492,35cyclictest27789-21chrt00:03:123
1433999492,35cyclictest27789-21chrt00:03:123
22772480,3sleep30-21swapper/322:53:343
22772480,3sleep30-21swapper/322:53:343
1433799482,40cyclictest0-21swapper/121:08:181
14335994824,17cyclictest171ktimers/020:38:200
14335994824,17cyclictest171ktimers/020:38:200
14335994725,18cyclictest171ktimers/021:43:180
14335994725,18cyclictest171ktimers/021:43:180
112522470,3chrt0-21swapper/321:53:243
56572460,3chrt0-21swapper/000:28:260
56572460,3chrt0-21swapper/000:28:260
1433799464,4cyclictest0-21swapper/121:53:201
14335994625,16cyclictest171ktimers/022:43:170
67512450,3sleep20-21swapper/221:40:202
67512450,3sleep20-21swapper/221:40:202
14335994435,6cyclictest0-21swapper/000:03:240
1433799433,3cyclictest0-21swapper/122:38:171
1433799433,3cyclictest0-21swapper/122:38:171
14337994325,16cyclictest26402-21latency_hist19:43:071
14337994325,16cyclictest26402-21latency_hist19:43:071
213892420,1sleep2351rcuc/222:18:352
1433799428,27cyclictest8851-21kworker/u9:2+xprtiod23:13:151
1433799428,27cyclictest8851-21kworker/u9:2+xprtiod23:13:151
1433799423,2cyclictest0-21swapper/123:38:161
1433799423,2cyclictest0-21swapper/123:38:161
14337994222,13cyclictest281ktimers/120:33:151
14337994222,13cyclictest281ktimers/120:33:151
14337994131,7cyclictest28037-21cups-browsed00:03:211
14337994125,13cyclictest0-21swapper/119:18:251
1433799411,2cyclictest0-21swapper/121:18:161
1433799411,2cyclictest0-21swapper/121:18:161
85742400,2sleep00-21swapper/020:18:380
85742400,2sleep00-21swapper/020:18:380
1433999402,27cyclictest9522-21chrt20:23:193
1433999402,27cyclictest9522-21chrt20:23:193
1433799402,4cyclictest0-21swapper/100:33:171
1433799402,4cyclictest0-21swapper/100:33:171
1433799401,7cyclictest32400-21apt19:58:161
1433799401,7cyclictest32400-21apt19:58:161
1433799401,5cyclictest20844-21apt-get20:53:181
14335994015,22cyclictest36350irq/47-eth019:58:160
14335994015,22cyclictest36350irq/47-eth019:58:160
1433799393,30cyclictest15765-21snmpd19:28:161
14337993924,13cyclictest0-21swapper/119:17:091
14337993924,13cyclictest0-21swapper/119:17:091
1433799391,20cyclictest20540-21apt-get22:18:171
14335993933,4cyclictest5687-21polkitd19:24:470
14335993933,4cyclictest26016-21run-parts19:38:380
14335993933,4cyclictest26016-21run-parts19:38:380
14335993929,7cyclictest5434-21apt-key20:13:080
14335993929,7cyclictest5434-21apt-key20:13:080
121672390,3sleep20-21swapper/220:28:332
121672390,3sleep20-21swapper/220:28:332
204362380,2chrt20437-21env19:27:141
180742380,1sleep10-21swapper/120:43:351
180742380,1sleep10-21swapper/120:43:351
174292380,2sleep016-21ksoftirqd/023:33:340
1433799383,4cyclictest0-21swapper/121:58:161
1433799383,4cyclictest0-21swapper/121:58:161
1433799381,9cyclictest16513-21/usr/sbin/munin23:33:171
1433799381,7cyclictest1312-21taskset21:27:431
1433799381,7cyclictest1312-21taskset21:27:431
1433799381,10cyclictest30579-21fschecks_count19:53:211
1433799381,10cyclictest30579-21fschecks_count19:53:211
1433599384,12cyclictest181rcu_preempt20:23:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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