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2025-12-05 - 13:51

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 100 highest latencies:
System rack8slot7s.osadl.org (updated Fri Dec 05, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15361992321,2cyclictest55650irq/125-lan23:45:101
15359992323,0cyclictest294-21hwrng23:45:570
15361992220,2cyclictest55650irq/125-lan23:37:091
15361992220,2cyclictest55650irq/125-lan22:45:491
15361992220,2cyclictest55650irq/125-lan22:03:531
15361992220,2cyclictest55650irq/125-lan21:52:241
15361992220,2cyclictest55650irq/125-lan21:47:431
15361992220,2cyclictest55650irq/125-lan21:42:331
15361992119,2cyclictest55650irq/125-lan23:55:091
15361992119,2cyclictest55650irq/125-lan22:29:251
15361992119,2cyclictest55650irq/125-lan22:18:341
15361992119,2cyclictest55650irq/125-lan21:36:301
15361992119,2cyclictest55650irq/125-lan21:18:041
15361992119,2cyclictest55650irq/125-lan00:37:321
15361992119,2cyclictest55650irq/125-lan00:31:291
15361992119,2cyclictest55650irq/125-lan00:29:571
15361992018,2cyclictest55650irq/125-lan23:30:211
15361992018,2cyclictest55650irq/125-lan23:25:321
15361992018,2cyclictest55650irq/125-lan23:17:021
15361992018,2cyclictest55650irq/125-lan23:10:551
15361992018,2cyclictest55650irq/125-lan23:05:401
15361992018,2cyclictest55650irq/125-lan21:34:111
15361992018,2cyclictest55650irq/125-lan20:47:261
15361992018,2cyclictest55650irq/125-lan00:11:471
15361992017,3cyclictest55650irq/125-lan21:25:561
15361992017,2cyclictest55650irq/125-lan23:21:111
15361992017,2cyclictest55650irq/125-lan22:20:231
15361992016,4cyclictest55650irq/125-lan22:10:201
15361992014,6cyclictest55650irq/125-lan00:15:131
15359992020,0cyclictest294-21hwrng21:46:080
15361991918,1cyclictest55650irq/125-lan23:00:021
15361991918,1cyclictest55650irq/125-lan22:36:561
15361991918,1cyclictest55650irq/125-lan21:20:511
15361991918,1cyclictest55650irq/125-lan20:51:391
15361991918,1cyclictest55650irq/125-lan19:59:291
15361991917,2cyclictest55650irq/125-lan23:53:061
15361991917,2cyclictest55650irq/125-lan22:55:331
15361991917,2cyclictest55650irq/125-lan22:43:491
15361991917,2cyclictest55650irq/125-lan21:12:041
15361991917,2cyclictest55650irq/125-lan00:06:031
15361991917,2cyclictest55650irq/125-lan00:04:571
15361991916,3cyclictest55650irq/125-lan21:56:011
15361991818,0cyclictest55650irq/125-lan19:30:591
15361991817,1cyclictest55650irq/125-lan22:51:341
15361991817,1cyclictest55650irq/125-lan22:34:291
15361991817,1cyclictest55650irq/125-lan20:12:111
15361991817,1cyclictest55650irq/125-lan19:52:561
15361991817,1cyclictest55650irq/125-lan19:45:201
15361991817,1cyclictest55650irq/125-lan19:41:231
15361991817,1cyclictest55650irq/125-lan19:20:581
15361991816,2cyclictest55650irq/125-lan22:07:131
15361991716,1cyclictest55650irq/125-lan21:05:221
15361991616,0cyclictest55650irq/125-lan20:34:201
15361991616,0cyclictest55650irq/125-lan20:26:111
15361991615,1cyclictest55650irq/125-lan21:00:251
15361991615,1cyclictest55650irq/125-lan20:40:191
15361991615,1cyclictest55650irq/125-lan20:21:361
15361991615,1cyclictest55650irq/125-lan19:15:141
15361991615,1cyclictest55650irq/125-lan19:12:281
15361991614,2cyclictest55650irq/125-lan20:58:331
15361991614,2cyclictest55650irq/125-lan20:58:331
15361991514,1cyclictest55650irq/125-lan19:36:461
15361991514,1cyclictest55650irq/125-lan19:25:091
15361991513,2cyclictest55650irq/125-lan20:05:151
15359991515,0cyclictest294-21hwrng22:01:300
15359991515,0cyclictest294-21hwrng21:15:250
15359991515,0cyclictest294-21hwrng19:40:110
15359991515,0cyclictest294-21hwrng00:35:060
15359991515,0cyclictest294-21hwrng00:01:190
15361991413,1cyclictest55650irq/125-lan20:16:341
15361991413,1cyclictest55650irq/125-lan20:00:171
15359991414,0cyclictest294-21hwrng23:57:130
15359991414,0cyclictest294-21hwrng23:52:060
15359991414,0cyclictest294-21hwrng23:42:520
15359991414,0cyclictest294-21hwrng22:36:190
15359991313,0cyclictest294-21hwrng23:17:170
15359991313,0cyclictest294-21hwrng23:04:580
15359991313,0cyclictest294-21hwrng22:06:370
15359991313,0cyclictest294-21hwrng21:53:190
15359991313,0cyclictest294-21hwrng21:11:190
15359991313,0cyclictest294-21hwrng19:47:210
15359991212,0cyclictest294-21hwrng23:14:120
15359991212,0cyclictest294-21hwrng23:09:050
15359991212,0cyclictest294-21hwrng22:54:440
15359991212,0cyclictest294-21hwrng22:47:350
15359991212,0cyclictest294-21hwrng22:42:280
15359991212,0cyclictest294-21hwrng22:18:540
15359991212,0cyclictest294-21hwrng22:13:480
15359991212,0cyclictest294-21hwrng21:24:380
15359991212,0cyclictest294-21hwrng20:48:480
15359991212,0cyclictest294-21hwrng20:05:480
15359991212,0cyclictest294-21hwrng00:26:550
15359991111,0cyclictest294-21hwrng23:20:210
15359991111,0cyclictest294-21hwrng22:55:450
15359991111,0cyclictest294-21hwrng22:26:040
15359991111,0cyclictest294-21hwrng21:37:560
15359991111,0cyclictest294-21hwrng20:18:050
15359991111,0cyclictest294-21hwrng19:32:000
15359991111,0cyclictest294-21hwrng19:13:330
15359991111,0cyclictest294-21hwrng00:18:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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