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2023-12-05 - 15:48

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 Tue Dec 05, 2023 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1266721130,3sleep30-21swapper/309:40:363
1266721130,3sleep30-21swapper/309:40:363
279232990,4sleep30-21swapper/311:45:383
223982840,1chrt22397-21/usr/sbin/munin08:40:361
223982840,1chrt22397-21/usr/sbin/munin08:40:361
26872800,1sleep30-21swapper/310:40:173
267252740,2sleep30-21swapper/311:40:473
267252740,2sleep30-21swapper/311:40:473
278842730,1sleep00-21swapper/008:55:350
278842730,1sleep00-21swapper/008:55:350
130692730,1sleep00-21swapper/012:30:450
130692730,1sleep00-21swapper/012:30:450
89092690,3sleep00-21swapper/009:30:320
89092690,3sleep00-21swapper/009:30:320
244702660,1sleep00-21swapper/010:10:400
244702660,1sleep00-21swapper/010:10:400
20214996555,7cyclictest0-21swapper/011:00:310
179772560,3sleep30-21swapper/308:30:293
179772560,3sleep30-21swapper/308:30:293
52192550,1chrt0-21swapper/312:10:423
52192550,1chrt0-21swapper/312:10:423
14272550,2sleep20-21swapper/210:35:422
13242550,4sleep30-21swapper/309:10:333
129612550,3chrt0-21swapper/312:30:443
129612550,3chrt0-21swapper/312:30:443
20214995349,2cyclictest0-21swapper/011:45:310
89462500,3sleep30-21swapper/312:20:353
89462500,3sleep30-21swapper/312:20:353
20219994810,5cyclictest181rcu_preempt07:50:301
20219994810,5cyclictest181rcu_preempt07:50:301
269602470,2sleep2351rcuc/208:50:462
269602470,2sleep2351rcuc/208:50:462
2021999464,4cyclictest29-21ksoftirqd/108:05:351
2021999464,4cyclictest29-21ksoftirqd/108:05:351
2021999462,7cyclictest181rcu_preempt08:15:331
183352465,16sleep30-21swapper/307:05:223
183352465,16sleep30-21swapper/307:05:223
323942440,3chrt0-21swapper/309:05:433
323942440,3chrt0-21swapper/309:05:433
324472430,2sleep131359-21/usr/sbin/munin10:30:481
324472430,2sleep131359-21/usr/sbin/munin10:30:481
2021999434,5cyclictest181rcu_preempt07:55:311
2021999434,5cyclictest181rcu_preempt07:55:311
294422420,7sleep1281ktimers/111:50:301
294422420,7sleep1281ktimers/111:50:301
2021999421,5cyclictest181rcu_preempt08:10:291
2021999421,5cyclictest181rcu_preempt08:10:291
20214994230,4cyclictest0-21swapper/007:10:320
265442410,3sleep20-21swapper/211:40:462
265442410,3sleep20-21swapper/211:40:462
200192415,27sleep120013-21ls07:10:131
200192415,27sleep120013-21ls07:10:131
29542380,3sleep30-21swapper/307:50:303
29542380,3sleep30-21swapper/307:50:303
2021999382,3cyclictest91-1pr/ttyS010:55:301
2021999382,3cyclictest91-1pr/ttyS010:55:301
47922370,3sleep30-21swapper/307:55:203
47922370,3sleep30-21swapper/307:55:203
2021999373,3cyclictest0-21swapper/108:55:311
2021999373,3cyclictest0-21swapper/108:55:311
141952370,2sleep114289-21uniq11:10:311
141952370,2sleep114289-21uniq11:10:311
56272360,2sleep00-21swapper/010:45:450
56272360,2sleep00-21swapper/010:45:450
20214993627,7cyclictest0-21swapper/008:50:190
20214993627,7cyclictest0-21swapper/008:50:190
20214993617,15cyclictest19864-21apt-get08:35:320
20214993617,15cyclictest19864-21apt-get08:35:320
20214993617,14cyclictest171ktimers/010:40:330
20214993617,14cyclictest171ktimers/010:40:330
20214993612,17cyclictest171ktimers/008:43:480
20214993612,17cyclictest171ktimers/008:43:480
203342350,2chrt0-21swapper/010:00:350
203342350,2chrt0-21swapper/010:00:350
2021999351,32cyclictest271rcuc/109:30:281
2021999351,32cyclictest271rcuc/109:30:281
2021499356,23cyclictest36350irq/47-eth009:10:300
20214993528,5cyclictest14259-21cut12:35:360
20214993528,5cyclictest14259-21cut12:35:360
15592350,3chrt0-21swapper/312:00:413
15592350,3chrt0-21swapper/312:00:413
142852350,3sleep20-21swapper/209:45:292
142852350,3sleep20-21swapper/209:45:292
73502340,2sleep07352-21missed_timers09:25:390
73502340,2sleep07352-21missed_timers09:25:390
229592340,1sleep123061-21/usr/sbin/munin11:30:451
229592340,1sleep123061-21/usr/sbin/munin11:30:451
20219993426,6cyclictest22911-21netstat07:15:411
20219993426,6cyclictest22911-21netstat07:15:411
20219993425,7cyclictest5687-21polkitd09:25:451
20219993425,7cyclictest5687-21polkitd09:25:451
20214993427,5cyclictest2453-21sendmail10:40:120
20214993425,7cyclictest15095-21threads11:10:410
20214993425,7cyclictest15095-21threads11:10:410
20214993424,9cyclictest171ktimers/012:15:320
20214993424,9cyclictest171ktimers/012:15:320
20219993323,8cyclictest6741-21gltestperf12:15:371
20219993323,8cyclictest6741-21gltestperf12:15:371
20219993323,7cyclictest12294-21fschecks_time12:30:351
20219993323,7cyclictest12294-21fschecks_time12:30:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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