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2024-07-27 - 04:06

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, 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 50 highest latencies:
System rack0slot1s.osadl.org (updated Sat Jul 27, 2024 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1338499131131,0cyclictest1725250irq/36-eth1-rx-19:50:435
1335499110110,0cyclictest3-21ksoftirqd/020:32:500
13384998988,1cyclictest0-21swapper/519:47:495
13390998481,2cyclictest0-21swapper/622:13:426
13397996969,0cyclictest1725250irq/36-eth1-rx-21:35:107
13369996564,1cyclictest0-21swapper/321:35:103
1304324513,18sleep20-21swapper/219:08:152
1299424312,17sleep00-21swapper/019:07:320
129092408,17sleep70-21swapper/719:06:197
1302723414,17sleep40-21swapper/419:08:014
1243323413,17sleep10-21swapper/119:05:251
1306223313,17sleep30-21swapper/319:08:323
13363993131,0cyclictest29-21ksoftirqd/219:32:032
13363993131,0cyclictest29-21ksoftirqd/219:32:032
130932298,18sleep50-21swapper/519:08:585
1287922614,8sleep60-21swapper/619:05:546
13354991814,1cyclictest21288-21awk21:20:000
1339099170,2cyclictest0-21swapper/620:36:156
1337899170,2cyclictest0-21swapper/421:42:304
1337899160,13cyclictest0-21swapper/419:11:304
1335499163,10cyclictest0-21swapper/021:43:110
13397991411,2cyclictest0-21swapper/722:37:457
1339799140,13cyclictest0-21swapper/721:59:467
1335699140,2cyclictest0-21swapper/121:06:411
1335499140,12cyclictest0-21swapper/021:20:200
83142130,0sleep03997-21runrttasks23:58:080
68812130,0sleep33997-21runrttasks23:28:403
1339799130,12cyclictest0-21swapper/723:46:467
1339799130,12cyclictest0-21swapper/719:48:157
1337899130,2cyclictest0-21swapper/419:34:014
1337899130,2cyclictest0-21swapper/419:34:014
1337899130,13cyclictest0-21swapper/419:16:004
1335499130,2cyclictest0-21swapper/019:35:000
1335499130,2cyclictest0-21swapper/019:35:000
1339799120,2cyclictest0-21swapper/722:16:167
1339099120,1cyclictest0-21swapper/621:34:456
1337899129,2cyclictest0-21swapper/420:30:464
13378991211,1cyclictest31975-21cat23:50:154
1335499129,2cyclictest437250latency_hist19:55:000
1335499129,2cyclictest0-21swapper/000:35:010
1335499122,4cyclictest0-21swapper/022:23:310
13354991210,1cyclictest11741-21ssh21:39:590
1339799118,2cyclictest0-21swapper/719:21:157
1339799110,10cyclictest0-21swapper/721:22:167
1339099119,2cyclictest0-21swapper/623:44:156
1339099113,7cyclictest0-21swapper/623:03:516
1336999119,1cyclictest30554-21snmpd22:16:163
13369991111,0cyclictest30554-21snmpd19:47:453
1336399111,9cyclictest0-21swapper/220:05:192
1335499118,2cyclictest0-21swapper/021:57:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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