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2024-07-27 - 14:23

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 100 highest latencies:
System rack8slot6s.osadl.org (updated Sat Jul 27, 2024 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24986992222,0cyclictest331-21hwrng21:41:400
25000991918,1cyclictest31500-21kworker/3:1+events21:11:553
24995991918,1cyclictest61550irq/125-lan23:23:302
24995991918,1cyclictest61550irq/125-lan22:28:392
24995991918,1cyclictest61550irq/125-lan21:50:212
24995991918,1cyclictest61550irq/125-lan21:49:582
24995991918,1cyclictest61550irq/125-lan21:20:152
24995991918,1cyclictest61550irq/125-lan00:30:142
24995991918,1cyclictest61550irq/125-lan00:29:462
24995991918,1cyclictest61550irq/125-lan00:17:112
25000991818,0cyclictest716-21snmpd22:18:153
25000991818,0cyclictest716-21snmpd21:39:293
25000991818,0cyclictest716-21snmpd19:42:293
25000991815,1cyclictest31500-21kworker/3:1+events21:57:573
24995991818,0cyclictest716-21snmpd23:30:582
24995991818,0cyclictest61550irq/125-lan23:43:142
24995991818,0cyclictest61550irq/125-lan23:17:062
24995991818,0cyclictest61550irq/125-lan22:31:392
24995991818,0cyclictest61550irq/125-lan22:10:142
24995991818,0cyclictest61550irq/125-lan22:00:102
24995991818,0cyclictest61550irq/125-lan21:40:222
24995991818,0cyclictest61550irq/125-lan19:30:132
24995991817,1cyclictest61550irq/125-lan23:55:142
24995991817,1cyclictest61550irq/125-lan23:50:232
24995991817,1cyclictest61550irq/125-lan23:39:102
24995991817,1cyclictest61550irq/125-lan23:13:222
24995991817,1cyclictest61550irq/125-lan23:00:132
24995991817,1cyclictest61550irq/125-lan23:00:132
24995991817,1cyclictest61550irq/125-lan22:50:172
24995991817,1cyclictest61550irq/125-lan22:20:122
24995991817,1cyclictest61550irq/125-lan22:17:272
24995991817,1cyclictest61550irq/125-lan21:28:182
24995991817,1cyclictest61550irq/125-lan21:05:002
24995991817,1cyclictest61550irq/125-lan19:35:232
24995991816,1cyclictest61550irq/125-lan22:45:072
25000991716,1cyclictest31500-21kworker/3:1+events21:53:363
24995991717,0cyclictest61550irq/125-lan23:45:152
24995991717,0cyclictest61550irq/125-lan23:27:102
24995991717,0cyclictest61550irq/125-lan22:41:072
24995991717,0cyclictest61550irq/125-lan22:35:192
24995991717,0cyclictest61550irq/125-lan22:05:142
24995991717,0cyclictest61550irq/125-lan21:35:122
24995991717,0cyclictest61550irq/125-lan21:18:142
24995991717,0cyclictest61550irq/125-lan19:21:322
24995991717,0cyclictest61550irq/125-lan19:10:142
24995991717,0cyclictest61550irq/125-lan00:14:582
24995991717,0cyclictest61550irq/125-lan00:05:542
24995991716,1cyclictest61550irq/125-lan21:58:252
24995991716,1cyclictest61550irq/125-lan00:35:192
24995991716,1cyclictest61550irq/125-lan00:22:262
25000991616,0cyclictest716-21snmpd21:28:173
25000991616,0cyclictest716-21snmpd20:57:283
25000991616,0cyclictest331-21hwrng23:30:133
25000991615,1cyclictest331-21hwrng23:45:363
25000991615,1cyclictest331-21hwrng00:21:263
25000991615,1cyclictest31500-21kworker/3:1+events23:43:593
24995991616,0cyclictest61550irq/125-lan22:56:402
24995991616,0cyclictest61550irq/125-lan21:30:252
24995991616,0cyclictest61550irq/125-lan21:12:482
24995991616,0cyclictest61550irq/125-lan00:01:382
24995991615,1cyclictest61550irq/125-lan23:09:422
24995991615,1cyclictest61550irq/125-lan20:45:192
24995991615,1cyclictest61550irq/125-lan20:05:112
25000991515,0cyclictest331-21hwrng23:52:453
25000991515,0cyclictest331-21hwrng23:22:013
25000991515,0cyclictest331-21hwrng23:11:483
25000991515,0cyclictest331-21hwrng22:13:253
25000991515,0cyclictest331-21hwrng21:20:103
25000991515,0cyclictest331-21hwrng20:41:163
25000991515,0cyclictest331-21hwrng00:38:493
25000991515,0cyclictest331-21hwrng00:13:133
25000991515,0cyclictest331-21hwrng00:06:033
25000991514,1cyclictest31500-21kworker/3:1+events22:38:053
25000991514,0cyclictest331-21hwrng23:00:313
25000991514,0cyclictest331-21hwrng23:00:313
24995991515,0cyclictest61550irq/125-lan19:40:242
24995991515,0cyclictest61550irq/125-lan19:15:132
24995991514,1cyclictest61550irq/125-lan20:50:102
24986991515,0cyclictest331-21hwrng21:16:040
25000991414,0cyclictest716-21snmpd20:05:353
25000991414,0cyclictest331-21hwrng23:56:503
25000991414,0cyclictest331-21hwrng23:27:093
25000991414,0cyclictest331-21hwrng23:15:533
25000991414,0cyclictest331-21hwrng23:06:403
25000991414,0cyclictest331-21hwrng22:55:243
25000991414,0cyclictest331-21hwrng22:50:173
25000991414,0cyclictest331-21hwrng22:43:083
25000991414,0cyclictest331-21hwrng22:26:443
25000991414,0cyclictest331-21hwrng22:24:413
25000991414,0cyclictest331-21hwrng21:46:483
25000991414,0cyclictest331-21hwrng21:42:423
25000991414,0cyclictest331-21hwrng20:47:243
25000991414,0cyclictest331-21hwrng20:01:193
25000991414,0cyclictest331-21hwrng19:27:323
25000991414,0cyclictest31500-21kworker/3:1+events21:17:313
24995991414,0cyclictest61550irq/125-lan20:40:122
24995991414,0cyclictest61550irq/125-lan20:33:322
24995991414,0cyclictest61550irq/125-lan19:25:202
24995991414,0cyclictest331-21hwrng20:38:112
24995991414,0cyclictest331-21hwrng20:28:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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