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2025-11-17 - 15:04

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 Mon Nov 17, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28255993737,0cyclictest12818-21fwupd21:14:591
28252992019,1cyclictest55650irq/125-lan22:30:580
28252992019,1cyclictest55650irq/125-lan22:27:290
28252991918,1cyclictest55650irq/125-lan23:52:090
28252991918,1cyclictest55650irq/125-lan23:38:420
28252991918,1cyclictest55650irq/125-lan23:26:050
28252991918,1cyclictest55650irq/125-lan23:10:340
28252991918,1cyclictest55650irq/125-lan23:07:170
28252991918,1cyclictest55650irq/125-lan23:04:200
28252991918,1cyclictest55650irq/125-lan22:52:320
28252991918,1cyclictest55650irq/125-lan22:20:520
28252991918,1cyclictest55650irq/125-lan22:18:320
28252991918,1cyclictest55650irq/125-lan22:13:340
28252991918,1cyclictest55650irq/125-lan22:06:500
28252991918,1cyclictest55650irq/125-lan21:59:160
28252991918,1cyclictest55650irq/125-lan21:43:160
28252991918,1cyclictest55650irq/125-lan21:25:330
28252991918,1cyclictest55650irq/125-lan21:17:050
28252991918,1cyclictest55650irq/125-lan00:36:110
28252991918,1cyclictest55650irq/125-lan00:33:590
28252991818,0cyclictest55650irq/125-lan23:59:260
28252991818,0cyclictest55650irq/125-lan21:49:270
28252991818,0cyclictest55650irq/125-lan21:20:580
28252991818,0cyclictest55650irq/125-lan00:16:010
28252991817,1cyclictest55650irq/125-lan23:46:000
28252991817,1cyclictest55650irq/125-lan23:41:050
28252991817,1cyclictest55650irq/125-lan23:20:230
28252991817,1cyclictest55650irq/125-lan23:16:230
28252991817,1cyclictest55650irq/125-lan22:55:560
28252991817,1cyclictest55650irq/125-lan22:45:430
28252991817,1cyclictest55650irq/125-lan22:43:350
28252991817,1cyclictest55650irq/125-lan22:39:360
28252991817,1cyclictest55650irq/125-lan22:00:160
28252991817,1cyclictest55650irq/125-lan21:50:080
28252991817,1cyclictest55650irq/125-lan21:39:370
28252991817,1cyclictest55650irq/125-lan21:31:220
28252991817,1cyclictest55650irq/125-lan21:11:260
28252991817,1cyclictest55650irq/125-lan20:36:290
28252991817,1cyclictest55650irq/125-lan20:30:180
28252991817,1cyclictest55650irq/125-lan19:58:170
28252991817,1cyclictest55650irq/125-lan19:21:270
28252991817,1cyclictest55650irq/125-lan00:24:430
28252991817,1cyclictest55650irq/125-lan00:13:180
28252991817,1cyclictest55650irq/125-lan00:05:230
28252991817,1cyclictest55650irq/125-lan00:00:180
28252991717,0cyclictest55650irq/125-lan20:25:380
28252991717,0cyclictest55650irq/125-lan20:16:540
28252991717,0cyclictest55650irq/125-lan20:00:190
28252991716,1cyclictest55650irq/125-lan23:30:120
28252991716,1cyclictest55650irq/125-lan20:49:040
28252991716,1cyclictest55650irq/125-lan20:40:350
28252991716,1cyclictest55650irq/125-lan20:23:580
28252991716,1cyclictest55650irq/125-lan20:10:130
28252991716,1cyclictest55650irq/125-lan20:07:440
28252991716,1cyclictest55650irq/125-lan19:47:520
28252991716,1cyclictest55650irq/125-lan19:37:420
28252991716,1cyclictest55650irq/125-lan19:13:060
28252991716,1cyclictest55650irq/125-lan00:25:500
28252991616,0cyclictest55650irq/125-lan19:40:160
28252991615,1cyclictest55650irq/125-lan19:33:350
28252991615,1cyclictest55650irq/125-lan19:25:180
28255991515,0cyclictest294-21hwrng22:19:131
28252991515,0cyclictest55650irq/125-lan21:09:010
28252991514,1cyclictest55650irq/125-lan21:01:020
28252991514,1cyclictest55650irq/125-lan20:55:180
28252991514,1cyclictest55650irq/125-lan19:50:160
28252991413,1cyclictest55650irq/125-lan19:15:240
28255991313,0cyclictest294-21hwrng21:30:031
28252991211,1cyclictest55650irq/125-lan20:50:120
2825599106,3cyclictest703-21snmpd21:52:441
2825599106,3cyclictest703-21snmpd19:36:051
282559999,0cyclictest703-21snmpd22:54:321
282559999,0cyclictest294-21hwrng19:29:131
282559998,1cyclictest703-21snmpd22:04:161
282559998,1cyclictest703-21snmpd20:48:531
282559998,1cyclictest703-21snmpd20:38:131
282559998,1cyclictest703-21snmpd20:00:571
282559996,3cyclictest703-21snmpd23:28:241
282559996,2cyclictest703-21snmpd22:07:521
282559996,2cyclictest703-21snmpd21:23:031
282559996,2cyclictest703-21snmpd19:19:451
282559996,2cyclictest703-21snmpd00:13:371
282559996,2cyclictest703-21snmpd00:09:341
282559988,0cyclictest703-21snmpd23:31:421
282559988,0cyclictest703-21snmpd20:42:221
282559988,0cyclictest703-21snmpd20:14:281
282559988,0cyclictest703-21snmpd19:30:231
282559988,0cyclictest703-21snmpd00:16:321
282559988,0cyclictest294-21hwrng22:59:091
282559988,0cyclictest294-21hwrng22:35:361
282559988,0cyclictest294-21hwrng22:13:031
282559987,1cyclictest703-21snmpd23:51:231
282559987,1cyclictest703-21snmpd23:13:371
282559987,1cyclictest703-21snmpd23:08:211
282559987,1cyclictest703-21snmpd22:31:241
282559987,1cyclictest703-21snmpd21:37:341
282559987,1cyclictest703-21snmpd20:19:041
282559987,1cyclictest294-21hwrng21:15:441
282559987,1cyclictest1978-21ssh23:20:151
282559986,2cyclictest703-21snmpd22:47:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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