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2024-04-19 - 23:30

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, 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 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.
Unexpectedly long latencies may be caused by SMIs
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 rack9slot5s.osadl.org (updated Fri Apr 19, 2024 12:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2187199140,2rtkit-daemon21870-21rtkit-daemon12:17:081
2187199140,2rtkit-daemon21870-21rtkit-daemon10:00:500
6650991312,1cyclictest68350irq/133-lan12:12:231
6650991312,1cyclictest68350irq/133-lan10:01:451
6650991312,1cyclictest68350irq/133-lan09:42:421
6650991312,1cyclictest68350irq/133-lan08:53:411
6650991312,1cyclictest68350irq/133-lan08:25:121
6650991312,1cyclictest68350irq/133-lan08:24:291
2187199130,5rtkit-daemon21172-21xpra07:06:181
6650991212,0cyclictest68350irq/133-lan11:45:511
6650991211,1cyclictest68350irq/133-lan12:22:001
6650991211,1cyclictest68350irq/133-lan11:09:131
6650991211,1cyclictest68350irq/133-lan10:17:351
6650991211,1cyclictest68350irq/133-lan10:12:031
6650991211,1cyclictest68350irq/133-lan10:05:111
6650991211,1cyclictest68350irq/133-lan09:25:111
6650991211,1cyclictest68350irq/133-lan09:18:011
6650991211,1cyclictest68350irq/133-lan07:45:271
6650991211,1cyclictest68350irq/133-lan07:44:011
2187199120,2rtkit-daemon21870-21rtkit-daemon07:40:470
2187199120,1rtkit-daemon21870-21rtkit-daemon10:17:000
2187199120,1rtkit-daemon21870-21rtkit-daemon09:31:220
2187199120,1rtkit-daemon21870-21rtkit-daemon09:18:450
6650991111,0cyclictest68350irq/133-lan12:30:141
6650991111,0cyclictest68350irq/133-lan10:42:231
6650991111,0cyclictest68350irq/133-lan07:52:151
6650991110,1cyclictest68350irq/133-lan11:38:561
6650991110,1cyclictest68350irq/133-lan11:00:551
6650991110,1cyclictest68350irq/133-lan10:55:101
6650991110,1cyclictest68350irq/133-lan10:46:001
6650991110,1cyclictest68350irq/133-lan10:21:091
6650991110,1cyclictest68350irq/133-lan09:11:111
6650991110,1cyclictest68350irq/133-lan08:30:121
6650991110,1cyclictest68350irq/133-lan07:55:111
6650991110,1cyclictest68350irq/133-lan07:23:001
6650991110,1cyclictest68350irq/133-lan07:16:131
6650991110,0cyclictest68350irq/133-lan11:51:061
2187199110,1rtkit-daemon21870-21rtkit-daemon12:36:250
2187199110,1rtkit-daemon21870-21rtkit-daemon12:30:180
665099109,1cyclictest68350irq/133-lan12:25:211
665099109,1cyclictest68350irq/133-lan11:55:141
665099109,1cyclictest68350irq/133-lan11:34:001
665099109,1cyclictest68350irq/133-lan11:25:181
665099109,1cyclictest68350irq/133-lan10:35:171
665099109,1cyclictest68350irq/133-lan09:22:391
665099109,1cyclictest68350irq/133-lan09:02:211
665099109,1cyclictest68350irq/133-lan08:38:281
665099109,1cyclictest68350irq/133-lan08:16:531
665099109,1cyclictest68350irq/133-lan08:00:531
665099109,1cyclictest22-21ksoftirqd/107:25:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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