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2025-07-06 - 11:40

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #7

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.
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 rack8slot7s.osadl.org (updated Sun Jul 06, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32558993737,0cyclictest2932-21fwupd22:35:590
32561992018,2cyclictest55650irq/125-lan21:55:141
32561991919,0cyclictest55650irq/125-lan23:12:391
32561991919,0cyclictest55650irq/125-lan22:39:291
32561991918,1cyclictest55650irq/125-lan23:40:221
32561991918,1cyclictest55650irq/125-lan23:36:241
32561991918,1cyclictest55650irq/125-lan23:31:231
32561991918,1cyclictest55650irq/125-lan23:25:301
32561991918,1cyclictest55650irq/125-lan23:07:291
32561991918,1cyclictest55650irq/125-lan23:04:311
32561991918,1cyclictest55650irq/125-lan22:32:151
32561991918,1cyclictest55650irq/125-lan22:29:301
32561991918,1cyclictest55650irq/125-lan22:25:001
32561991918,1cyclictest55650irq/125-lan22:03:331
32561991918,1cyclictest55650irq/125-lan21:36:181
32561991918,1cyclictest55650irq/125-lan21:25:301
32561991918,1cyclictest55650irq/125-lan21:21:581
32561991918,1cyclictest55650irq/125-lan20:53:471
32561991918,1cyclictest55650irq/125-lan20:18:211
32561991918,1cyclictest55650irq/125-lan19:19:001
32561991918,1cyclictest55650irq/125-lan00:36:451
32561991918,1cyclictest55650irq/125-lan00:33:391
32561991918,1cyclictest55650irq/125-lan00:26:161
32561991918,1cyclictest55650irq/125-lan00:15:001
32561991918,1cyclictest55650irq/125-lan00:10:311
32561991918,1cyclictest55650irq/125-lan00:00:401
32561991917,1cyclictest55650irq/125-lan22:15:131
32561991917,1cyclictest55650irq/125-lan21:50:151
32561991917,1cyclictest55650irq/125-lan00:05:131
32561991818,0cyclictest55650irq/125-lan21:33:251
32561991818,0cyclictest55650irq/125-lan21:11:501
32561991818,0cyclictest55650irq/125-lan21:08:081
32561991818,0cyclictest55650irq/125-lan19:24:591
32561991817,1cyclictest55650irq/125-lan23:57:351
32561991817,1cyclictest55650irq/125-lan23:51:111
32561991817,1cyclictest55650irq/125-lan23:46:361
32561991817,1cyclictest55650irq/125-lan23:20:381
32561991817,1cyclictest55650irq/125-lan23:15:321
32561991817,1cyclictest55650irq/125-lan22:50:231
32561991817,1cyclictest55650irq/125-lan22:47:371
32561991817,1cyclictest55650irq/125-lan22:42:311
32561991817,1cyclictest55650irq/125-lan22:07:071
32561991817,1cyclictest55650irq/125-lan21:45:121
32561991817,1cyclictest55650irq/125-lan21:44:561
32561991817,1cyclictest55650irq/125-lan21:15:261
32561991817,1cyclictest55650irq/125-lan21:01:051
32561991817,1cyclictest55650irq/125-lan20:46:141
32561991817,1cyclictest55650irq/125-lan20:25:081
32561991817,1cyclictest55650irq/125-lan20:24:221
32561991817,1cyclictest55650irq/125-lan20:13:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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