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2024-05-27 - 09:26

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #4

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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  Intel
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack5slot4s.osadl.org (updated Sun May 26, 2024 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114699195190,2cyclictest0-21swapper/107:25:431
114199179170,8cyclictest0-21swapper/007:10:070
115099135131,3cyclictest12855-21kworker/u16:3+events_unbound07:40:162
115099134132,1cyclictest0-21swapper/207:25:432
115099130126,3cyclictest20598-21kworker/u16:2+events_unbound10:45:182
643211993,10sleep10-21swapper/107:05:531
115099118112,3cyclictest12855-21kworker/u16:3+events_unbound07:39:252
6302117103,10sleep30-21swapper/307:05:423
6742116103,10sleep20-21swapper/207:06:172
115099108104,3cyclictest20598-21kworker/u16:2+events_unbound08:15:302
28479210794,9sleep00-21swapper/007:05:150
115099107103,3cyclictest20598-21kworker/u16:2+events_unbound08:02:052
11509910699,3cyclictest20598-21kworker/u16:2+events_unbound11:55:352
11509910398,3cyclictest989-21kworker/u16:0+events_unbound09:30:292
11509910197,3cyclictest989-21kworker/u16:0+events_unbound10:50:342
11509910197,3cyclictest20598-21kworker/u16:2+events_unbound09:25:402
11509910196,3cyclictest13273-21kworker/u16:1+events_unbound07:15:012
1150999894,3cyclictest20598-21kworker/u16:2+events_unbound11:10:382
1150999793,3cyclictest20598-21kworker/u16:2+events_unbound11:25:292
1150999793,3cyclictest20598-21kworker/u16:2+events_unbound08:10:162
1150999692,3cyclictest20598-21kworker/u16:2+events_unbound07:30:202
1150999590,3cyclictest20598-21kworker/u16:2+events_unbound10:55:222
1150999489,4cyclictest20598-21kworker/u16:2+events_unbound11:05:392
1141999485,8cyclictest25051-21strings07:25:430
1150999389,3cyclictest20598-21kworker/u16:2+events_unbound10:10:382
1150999389,3cyclictest12855-21kworker/u16:3+events_unbound08:05:382
1150999385,3cyclictest20598-21kworker/u16:2+events_unbound10:30:292
1150999288,3cyclictest989-21kworker/u16:0+events_unbound12:25:332
1150999288,3cyclictest989-21kworker/u16:0+events_unbound09:15:202
1150999187,3cyclictest989-21kworker/u16:0+events_unbound10:35:352
1150999086,3cyclictest20598-21kworker/u16:2+events_unbound10:00:352
1150999086,3cyclictest20598-21kworker/u16:2+events_unbound09:40:332
1150998985,3cyclictest989-21kworker/u16:0+events_unbound08:40:312
1150998884,3cyclictest20598-21kworker/u16:2+events_unbound09:45:342
1150998783,3cyclictest20598-21kworker/u16:2+events_unbound10:15:322
1150998581,3cyclictest12855-21kworker/u16:3+events_unbound07:55:342
1150998578,3cyclictest20598-21kworker/u16:2+events_unbound12:15:252
1150998379,3cyclictest989-21kworker/u16:0+events_unbound11:50:342
1150998379,3cyclictest20598-21kworker/u16:2+events_unbound08:50:372
1150998279,2cyclictest20598-21kworker/u16:2+events_unbound11:40:342
1150998278,3cyclictest989-21kworker/u16:0+events_unbound11:30:302
1150998178,2cyclictest989-21kworker/u16:0+events_unbound10:20:012
1150998177,3cyclictest20598-21kworker/u16:2+events_unbound12:10:302
1150998076,3cyclictest989-21kworker/u16:0+events_unbound10:40:342
1150998076,3cyclictest20598-21kworker/u16:2+events_unbound12:35:172
1146998075,2cyclictest0-21swapper/107:10:061
1150997975,3cyclictest20598-21kworker/u16:2+events_unbound08:20:022
1150997975,3cyclictest13273-21kworker/u16:1+events_unbound07:10:122
1150997874,3cyclictest20598-21kworker/u16:2+events_unbound12:05:232
1150997874,3cyclictest20598-21kworker/u16:2+events_unbound09:55:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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