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2025-12-08 - 19:58

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #6

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 rack8slot6s.osadl.org (updated Mon Dec 08, 2025 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19188993131,0cyclictest20849-21fwupd07:11:360
19202991919,0cyclictest66850irq/125-lan08:17:323
19202991918,1cyclictest66850irq/125-lan12:35:183
19202991918,1cyclictest66850irq/125-lan12:20:233
19202991918,1cyclictest66850irq/125-lan11:45:213
19202991918,1cyclictest66850irq/125-lan11:44:393
19202991918,1cyclictest66850irq/125-lan10:44:143
19202991918,1cyclictest66850irq/125-lan10:35:153
19202991918,1cyclictest66850irq/125-lan09:47:443
19202991918,1cyclictest66850irq/125-lan09:09:313
19202991818,0cyclictest66850irq/125-lan12:19:573
19202991818,0cyclictest66850irq/125-lan12:00:143
19202991818,0cyclictest66850irq/125-lan11:35:073
19202991818,0cyclictest66850irq/125-lan11:30:173
19202991818,0cyclictest66850irq/125-lan11:18:293
19202991818,0cyclictest66850irq/125-lan11:05:303
19202991818,0cyclictest66850irq/125-lan10:49:063
19202991818,0cyclictest66850irq/125-lan10:21:363
19202991818,0cyclictest66850irq/125-lan10:10:163
19202991818,0cyclictest66850irq/125-lan09:50:123
19202991818,0cyclictest66850irq/125-lan09:35:223
19202991818,0cyclictest66850irq/125-lan09:26:543
19202991818,0cyclictest66850irq/125-lan09:13:333
19202991818,0cyclictest66850irq/125-lan08:08:233
19202991817,1cyclictest66850irq/125-lan12:30:173
19202991817,1cyclictest66850irq/125-lan11:10:163
19202991817,1cyclictest66850irq/125-lan10:55:133
19202991817,1cyclictest66850irq/125-lan10:15:203
19202991817,1cyclictest66850irq/125-lan10:05:443
19202991817,1cyclictest66850irq/125-lan10:00:213
19202991817,1cyclictest66850irq/125-lan09:40:023
19202991817,1cyclictest66850irq/125-lan09:30:493
19202991817,1cyclictest66850irq/125-lan07:43:243
19197991818,0cyclictest771-21snmpd08:11:402
19197991818,0cyclictest771-21snmpd07:10:442
19202991717,0cyclictest66850irq/125-lan11:55:153
19202991717,0cyclictest66850irq/125-lan11:27:193
19202991717,0cyclictest66850irq/125-lan11:22:593
19202991717,0cyclictest66850irq/125-lan11:01:313
19202991717,0cyclictest66850irq/125-lan09:15:233
19202991717,0cyclictest66850irq/125-lan07:35:133
19202991716,1cyclictest66850irq/125-lan12:10:153
19202991716,1cyclictest66850irq/125-lan12:05:223
19202991716,1cyclictest66850irq/125-lan10:53:123
19202991716,1cyclictest66850irq/125-lan10:30:143
19202991716,1cyclictest66850irq/125-lan10:25:193
19202991716,1cyclictest66850irq/125-lan09:56:533
19202991716,1cyclictest66850irq/125-lan08:44:023
19197991717,0cyclictest771-21snmpd11:10:222
19197991717,0cyclictest771-21snmpd10:27:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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