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2025-07-01 - 05:25

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 Tue Jul 01, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3007994040,0cyclictest10566-21fwupd22:50:001
3007991919,0cyclictest294-21hwrng23:02:341
3007991918,1cyclictest55650irq/125-lan23:53:321
3007991918,1cyclictest55650irq/125-lan23:35:341
3007991918,1cyclictest55650irq/125-lan23:31:501
3007991918,1cyclictest55650irq/125-lan23:25:501
3007991918,1cyclictest55650irq/125-lan23:20:591
3007991918,1cyclictest55650irq/125-lan23:05:251
3007991918,1cyclictest55650irq/125-lan22:57:211
3007991918,1cyclictest55650irq/125-lan22:52:511
3007991918,1cyclictest55650irq/125-lan22:25:241
3007991918,1cyclictest55650irq/125-lan20:52:141
3007991918,1cyclictest55650irq/125-lan20:22:381
3007991918,1cyclictest55650irq/125-lan19:29:301
3007991918,1cyclictest55650irq/125-lan00:18:521
3007991918,1cyclictest55650irq/125-lan00:07:541
3007991918,1cyclictest55650irq/125-lan00:00:121
3007991917,1cyclictest55650irq/125-lan20:14:221
3007991818,0cyclictest55650irq/125-lan23:44:131
3007991818,0cyclictest55650irq/125-lan23:13:241
3007991818,0cyclictest55650irq/125-lan22:36:091
3007991818,0cyclictest55650irq/125-lan21:56:511
3007991817,1cyclictest55650irq/125-lan23:55:191
3007991817,1cyclictest55650irq/125-lan23:15:131
3007991817,1cyclictest55650irq/125-lan22:41:171
3007991817,1cyclictest55650irq/125-lan22:20:501
3007991817,1cyclictest55650irq/125-lan22:18:231
3007991817,1cyclictest55650irq/125-lan22:08:341
3007991817,1cyclictest55650irq/125-lan21:54:211
3007991817,1cyclictest55650irq/125-lan21:42:241
3007991817,1cyclictest55650irq/125-lan21:35:551
3007991817,1cyclictest55650irq/125-lan21:22:121
3007991817,1cyclictest55650irq/125-lan21:16:191
3007991817,1cyclictest55650irq/125-lan21:01:411
3007991817,1cyclictest55650irq/125-lan20:31:411
3007991817,1cyclictest55650irq/125-lan00:37:241
3007991817,1cyclictest55650irq/125-lan00:30:391
3007991817,1cyclictest55650irq/125-lan00:29:001
3007991817,1cyclictest55650irq/125-lan00:21:001
3007991717,0cyclictest55650irq/125-lan23:45:191
3007991717,0cyclictest55650irq/125-lan22:33:101
3007991717,0cyclictest55650irq/125-lan22:00:371
3007991717,0cyclictest55650irq/125-lan20:45:121
3007991717,0cyclictest55650irq/125-lan19:21:171
3007991717,0cyclictest55650irq/125-lan19:18:551
3007991716,1cyclictest55650irq/125-lan22:14:041
3007991716,1cyclictest55650irq/125-lan21:46:021
3007991716,1cyclictest55650irq/125-lan21:31:271
3007991716,1cyclictest55650irq/125-lan21:25:181
3007991716,1cyclictest55650irq/125-lan20:05:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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