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2025-11-26 - 05:34

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 all highest latencies:
System rack8slot7s.osadl.org (updated Wed Nov 26, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20128992222,0cyclictest294-21hwrng23:47:381
20125992019,1cyclictest55650irq/125-lan00:16:220
20125991919,0cyclictest55650irq/125-lan23:39:400
20125991918,1cyclictest55650irq/125-lan23:26:560
20125991918,1cyclictest55650irq/125-lan23:15:260
20125991918,1cyclictest55650irq/125-lan23:02:090
20125991918,1cyclictest55650irq/125-lan22:55:150
20125991918,1cyclictest55650irq/125-lan22:33:560
20125991918,1cyclictest55650irq/125-lan22:20:330
20125991918,1cyclictest55650irq/125-lan22:05:200
20125991918,1cyclictest55650irq/125-lan21:55:410
20125991918,1cyclictest55650irq/125-lan21:26:130
20125991918,1cyclictest55650irq/125-lan21:15:100
20125991918,1cyclictest55650irq/125-lan21:10:290
20125991918,1cyclictest55650irq/125-lan20:08:020
20125991918,1cyclictest55650irq/125-lan00:20:170
20125991818,0cyclictest55650irq/125-lan22:40:030
20125991818,0cyclictest55650irq/125-lan00:35:020
20125991818,0cyclictest55650irq/125-lan00:33:320
20125991818,0cyclictest55650irq/125-lan00:26:490
20125991817,1cyclictest55650irq/125-lan23:52:080
20125991817,1cyclictest55650irq/125-lan23:45:150
20125991817,1cyclictest55650irq/125-lan23:31:310
20125991817,1cyclictest55650irq/125-lan23:21:590
20125991817,1cyclictest55650irq/125-lan23:10:120
20125991817,1cyclictest55650irq/125-lan23:05:510
20125991817,1cyclictest55650irq/125-lan22:51:240
20125991817,1cyclictest55650irq/125-lan22:46:540
20125991817,1cyclictest55650irq/125-lan22:25:150
20125991817,1cyclictest55650irq/125-lan22:15:170
20125991817,1cyclictest55650irq/125-lan22:12:100
20125991817,1cyclictest55650irq/125-lan22:00:500
20125991817,1cyclictest55650irq/125-lan21:54:480
20125991817,1cyclictest55650irq/125-lan21:45:140
20125991817,1cyclictest55650irq/125-lan21:41:280
20125991817,1cyclictest55650irq/125-lan21:36:550
20125991817,1cyclictest55650irq/125-lan21:20:250
20125991817,1cyclictest55650irq/125-lan20:58:440
20125991817,1cyclictest55650irq/125-lan20:50:120
20125991817,1cyclictest55650irq/125-lan19:41:370
20125991817,1cyclictest55650irq/125-lan19:21:210
20125991817,1cyclictest55650irq/125-lan19:10:100
20125991817,0cyclictest55650irq/125-lan23:55:130
20125991816,1cyclictest55650irq/125-lan23:40:090
20128991717,0cyclictest294-21hwrng22:27:471
20125991717,0cyclictest55650irq/125-lan22:36:250
20125991717,0cyclictest55650irq/125-lan20:46:200
20125991717,0cyclictest55650irq/125-lan20:41:150
20125991716,1cyclictest55650irq/125-lan21:30:150
20125991716,1cyclictest55650irq/125-lan21:09:120
20125991716,1cyclictest55650irq/125-lan20:23:420
20125991716,1cyclictest55650irq/125-lan20:17:080
20125991716,1cyclictest55650irq/125-lan19:55:250
20125991716,1cyclictest55650irq/125-lan19:31:430
20125991716,1cyclictest55650irq/125-lan19:29:160
20125991716,1cyclictest55650irq/125-lan00:11:490
20125991716,1cyclictest55650irq/125-lan00:05:340
20125991716,1cyclictest55650irq/125-lan00:00:060
20128991616,0cyclictest26662-21cat19:25:191
20125991616,0cyclictest55650irq/125-lan20:29:210
20125991615,1cyclictest55650irq/125-lan21:00:200
20125991615,1cyclictest55650irq/125-lan19:45:140
20125991615,1cyclictest55650irq/125-lan19:15:120
20125991614,1cyclictest55650irq/125-lan20:32:060
20128991515,0cyclictest703-21snmpd20:09:381
20128991515,0cyclictest32168-21cat19:40:141
20128991515,0cyclictest294-21hwrng22:34:561
20128991515,0cyclictest294-21hwrng21:08:551
20128991515,0cyclictest294-21hwrng20:54:351
20128991515,0cyclictest294-21hwrng19:58:161
20128991515,0cyclictest294-21hwrng19:36:451
20128991515,0cyclictest294-21hwrng19:30:371
20128991515,0cyclictest294-21hwrng00:23:291
20128991514,1cyclictest294-21hwrng22:07:171
20125991515,0cyclictest55650irq/125-lan20:14:520
20125991515,0cyclictest55650irq/125-lan19:36:540
20125991514,1cyclictest55650irq/125-lan20:00:180
20125991514,1cyclictest55650irq/125-lan19:52:220
20128991414,0cyclictest703-21snmpd22:53:171
20128991414,0cyclictest703-21snmpd22:01:511
20128991414,0cyclictest703-21snmpd21:51:271
20128991414,0cyclictest294-21hwrng23:59:551
20128991414,0cyclictest294-21hwrng23:40:291
20128991414,0cyclictest294-21hwrng23:16:551
20128991414,0cyclictest294-21hwrng23:01:341
20128991414,0cyclictest294-21hwrng22:19:341
20128991414,0cyclictest294-21hwrng21:18:081
20128991414,0cyclictest294-21hwrng20:40:151
20128991414,0cyclictest294-21hwrng19:22:251
20128991414,0cyclictest294-21hwrng19:11:091
20128991414,0cyclictest294-21hwrng00:01:581
20128991413,1cyclictest294-21hwrng00:26:331
20125991414,0cyclictest55650irq/125-lan20:35:230
20128991313,0cyclictest294-21hwrng23:51:441
20128991313,0cyclictest294-21hwrng23:31:151
20128991313,0cyclictest294-21hwrng23:13:501
20128991313,0cyclictest294-21hwrng22:57:271
20128991313,0cyclictest294-21hwrng22:46:121
20128991313,0cyclictest294-21hwrng21:56:011
20128991313,0cyclictest294-21hwrng21:44:451
20128991313,0cyclictest294-21hwrng21:32:281
20128991313,0cyclictest294-21hwrng20:57:391
20128991313,0cyclictest294-21hwrng20:37:101
20128991313,0cyclictest294-21hwrng00:11:111
20128991313,0cyclictest294-21hwrng00:06:041
20128991312,1cyclictest2617-21kworker/1:4+events22:20:251
20128991212,0cyclictest294-21hwrng23:26:081
20128991212,0cyclictest294-21hwrng23:05:401
20128991212,0cyclictest294-21hwrng22:35:571
20128991212,0cyclictest294-21hwrng21:28:221
20128991212,0cyclictest294-21hwrng20:46:231
20128991212,0cyclictest294-21hwrng20:30:001
20128991212,0cyclictest294-21hwrng20:20:471
20128991212,0cyclictest294-21hwrng20:10:331
20128991212,0cyclictest294-21hwrng20:04:241
20128991212,0cyclictest294-21hwrng00:16:191
20128991111,0cyclictest294-21hwrng23:22:021
20128991111,0cyclictest294-21hwrng22:44:091
20128991111,0cyclictest294-21hwrng19:45:581
20128991111,0cyclictest294-21hwrng00:38:501
20128991111,0cyclictest294-21hwrng00:33:431
20128991010,0cyclictest703-21snmpd21:47:341
20128991010,0cyclictest294-21hwrng23:38:251
20128991010,0cyclictest294-21hwrng21:35:321
20128991010,0cyclictest294-21hwrng21:22:141
20128991010,0cyclictest22951-21cat19:15:131
201289999,0cyclictest703-21snmpd22:14:011
201289999,0cyclictest703-21snmpd19:54:531
201289988,0cyclictest294-21hwrng20:25:541
201289986,1cyclictest703-21snmpd21:10:431
201289985,2cyclictest703-21snmpd21:02:071
201289977,0cyclictest12705-21/usr/sbin/munin20:15:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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