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2025-12-17 - 20:09

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 Wed Dec 17, 2025 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4064992020,0cyclictest440-21hwrng11:13:443
4049991919,0cyclictest65850irq/126-lan12:00:510
4049991918,1cyclictest65850irq/126-lan07:50:110
4049991818,0cyclictest65850irq/126-lan10:53:200
4049991818,0cyclictest65850irq/126-lan09:18:080
4049991818,0cyclictest65850irq/126-lan08:45:210
4049991818,0cyclictest65850irq/126-lan08:36:480
4049991818,0cyclictest65850irq/126-lan08:20:170
4057991717,0cyclictest440-21hwrng09:21:061
4049991717,0cyclictest65850irq/126-lan12:05:140
4049991717,0cyclictest65850irq/126-lan10:00:160
4049991717,0cyclictest65850irq/126-lan09:30:110
4049991717,0cyclictest65850irq/126-lan09:25:140
4049991717,0cyclictest65850irq/126-lan08:07:550
4049991717,0cyclictest65850irq/126-lan07:30:130
4049991716,1cyclictest15350-21kworker/0:0+events11:28:030
4049991715,1cyclictest440-21hwrng07:25:220
4049991715,1cyclictest440-21hwrng07:25:220
4049991616,0cyclictest65850irq/126-lan12:30:150
4049991616,0cyclictest65850irq/126-lan11:58:230
4049991616,0cyclictest65850irq/126-lan11:52:120
4049991616,0cyclictest65850irq/126-lan10:41:360
4049991616,0cyclictest65850irq/126-lan10:38:130
4049991616,0cyclictest65850irq/126-lan10:10:140
4049991616,0cyclictest65850irq/126-lan10:05:130
4049991616,0cyclictest65850irq/126-lan09:56:330
4049991616,0cyclictest65850irq/126-lan09:48:260
4049991616,0cyclictest65850irq/126-lan09:22:020
4049991616,0cyclictest65850irq/126-lan09:05:190
4049991616,0cyclictest65850irq/126-lan08:56:110
4049991616,0cyclictest65850irq/126-lan08:50:210
4049991616,0cyclictest65850irq/126-lan08:10:150
4049991616,0cyclictest65850irq/126-lan08:00:120
4049991616,0cyclictest65850irq/126-lan07:48:020
4049991616,0cyclictest65850irq/126-lan07:22:500
4049991616,0cyclictest440-21hwrng11:02:280
4049991615,1cyclictest65850irq/126-lan12:13:160
4049991615,1cyclictest65850irq/126-lan09:40:120
4049991615,1cyclictest65850irq/126-lan08:25:130
4049991615,1cyclictest15350-21kworker/0:0+events07:37:400
4064991515,0cyclictest440-21hwrng12:36:403
4064991515,0cyclictest440-21hwrng12:31:343
4064991515,0cyclictest440-21hwrng12:12:063
4064991515,0cyclictest440-21hwrng11:51:373
4064991515,0cyclictest440-21hwrng11:31:093
4064991515,0cyclictest440-21hwrng11:20:543
4064991515,0cyclictest440-21hwrng11:09:383
4064991515,0cyclictest440-21hwrng10:59:243
4064991515,0cyclictest440-21hwrng10:35:513
4064991515,0cyclictest440-21hwrng10:32:463
4064991515,0cyclictest440-21hwrng10:26:383
4064991515,0cyclictest440-21hwrng10:17:243
4064991515,0cyclictest440-21hwrng09:50:483
4064991515,0cyclictest440-21hwrng09:47:433
4064991515,0cyclictest440-21hwrng09:43:373
4064991515,0cyclictest440-21hwrng09:37:293
4064991515,0cyclictest440-21hwrng09:25:113
4064991515,0cyclictest440-21hwrng09:20:053
4064991515,0cyclictest440-21hwrng09:07:483
4064991515,0cyclictest440-21hwrng08:50:223
4064991515,0cyclictest440-21hwrng08:48:203
4064991515,0cyclictest440-21hwrng08:40:083
4064991515,0cyclictest440-21hwrng08:30:563
4064991515,0cyclictest440-21hwrng08:25:473
4064991515,0cyclictest440-21hwrng08:20:403
4064991515,0cyclictest440-21hwrng08:02:153
4064991515,0cyclictest440-21hwrng07:45:523
4064991515,0cyclictest440-21hwrng07:27:263
4064991515,0cyclictest440-21hwrng07:27:263
4064991515,0cyclictest440-21hwrng07:23:203
4062991515,0cyclictest440-21hwrng12:37:412
4062991515,0cyclictest440-21hwrng12:34:382
4062991515,0cyclictest440-21hwrng12:25:242
4062991515,0cyclictest440-21hwrng12:17:142
4062991515,0cyclictest440-21hwrng12:13:072
4062991515,0cyclictest440-21hwrng12:06:582
4062991515,0cyclictest440-21hwrng11:42:252
4062991515,0cyclictest440-21hwrng11:35:142
4062991515,0cyclictest440-21hwrng11:33:122
4062991515,0cyclictest440-21hwrng11:14:462
4062991515,0cyclictest440-21hwrng10:51:122
4062991515,0cyclictest440-21hwrng10:48:082
4062991515,0cyclictest440-21hwrng10:40:582
4062991515,0cyclictest440-21hwrng10:33:472
4062991515,0cyclictest440-21hwrng09:40:332
4062991515,0cyclictest440-21hwrng09:39:322
4062991515,0cyclictest440-21hwrng09:30:182
4062991515,0cyclictest440-21hwrng09:13:552
4062991515,0cyclictest440-21hwrng08:56:312
4062991515,0cyclictest440-21hwrng08:53:272
4062991515,0cyclictest440-21hwrng08:47:182
4062991515,0cyclictest440-21hwrng08:28:522
4062991515,0cyclictest440-21hwrng08:19:402
4062991515,0cyclictest440-21hwrng08:04:182
4062991515,0cyclictest440-21hwrng07:55:042
4062991515,0cyclictest440-21hwrng07:38:412
4062991515,0cyclictest440-21hwrng07:26:242
4062991515,0cyclictest440-21hwrng07:26:242
4062991515,0cyclictest440-21hwrng07:21:182
4062991515,0cyclictest440-21hwrng07:11:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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