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2025-12-09 - 07:46

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 highest latencies:
System rack8slot7s.osadl.org (updated Tue Dec 09, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8804992018,1cyclictest55650irq/125-lan19:54:020
8804991918,1cyclictest55650irq/125-lan23:31:240
8804991918,1cyclictest55650irq/125-lan23:24:420
8804991918,1cyclictest55650irq/125-lan22:55:470
8804991918,1cyclictest55650irq/125-lan22:36:010
8804991918,1cyclictest55650irq/125-lan22:12:410
8804991918,1cyclictest55650irq/125-lan21:50:470
8804991918,1cyclictest55650irq/125-lan21:45:120
8804991918,1cyclictest55650irq/125-lan21:44:340
8804991918,1cyclictest55650irq/125-lan21:39:190
8804991918,1cyclictest55650irq/125-lan21:32:240
8804991918,1cyclictest55650irq/125-lan21:22:230
8804991918,1cyclictest55650irq/125-lan00:32:060
8804991918,1cyclictest55650irq/125-lan00:26:490
8804991918,1cyclictest55650irq/125-lan00:20:120
8804991918,1cyclictest55650irq/125-lan00:16:580
8804991918,1cyclictest55650irq/125-lan00:13:340
8804991918,1cyclictest55650irq/125-lan00:08:500
8804991917,2cyclictest55650irq/125-lan23:35:400
8807991818,0cyclictest703-21snmpd22:24:241
8807991818,0cyclictest703-21snmpd21:45:321
8807991818,0cyclictest703-21snmpd21:29:291
8807991818,0cyclictest703-21snmpd21:09:041
8807991818,0cyclictest703-21snmpd20:36:591
8804991818,0cyclictest55650irq/125-lan23:04:150
8804991818,0cyclictest55650irq/125-lan22:47:040
8804991818,0cyclictest55650irq/125-lan22:21:520
8804991818,0cyclictest55650irq/125-lan22:07:530
8804991818,0cyclictest55650irq/125-lan22:00:380
8804991818,0cyclictest55650irq/125-lan21:29:110
8804991818,0cyclictest55650irq/125-lan21:04:250
8804991818,0cyclictest55650irq/125-lan20:55:360
8804991818,0cyclictest55650irq/125-lan19:55:210
8804991817,1cyclictest55650irq/125-lan23:55:160
8804991817,1cyclictest55650irq/125-lan23:53:130
8804991817,1cyclictest55650irq/125-lan23:45:080
8804991817,1cyclictest55650irq/125-lan23:41:270
8804991817,1cyclictest55650irq/125-lan23:18:060
8804991817,1cyclictest55650irq/125-lan23:09:260
8804991817,1cyclictest55650irq/125-lan22:41:030
8804991817,1cyclictest55650irq/125-lan22:31:190
8804991817,1cyclictest55650irq/125-lan22:25:590
8804991817,1cyclictest55650irq/125-lan21:15:180
8804991817,1cyclictest55650irq/125-lan21:15:170
8804991817,1cyclictest55650irq/125-lan20:44:120
8804991817,1cyclictest55650irq/125-lan20:06:560
8804991817,1cyclictest55650irq/125-lan00:35:210
8804991817,1cyclictest55650irq/125-lan00:00:190
8804991816,1cyclictest55650irq/125-lan23:11:210
8807991717,0cyclictest703-21snmpd21:57:361
8807991717,0cyclictest703-21snmpd21:44:201
8807991717,0cyclictest703-21snmpd19:45:521
8804991717,0cyclictest55650irq/125-lan22:50:170
8804991717,0cyclictest55650irq/125-lan21:12:040
8804991716,1cyclictest55650irq/125-lan23:25:140
8804991716,1cyclictest55650irq/125-lan22:15:150
8804991716,1cyclictest55650irq/125-lan21:55:170
8804991716,1cyclictest55650irq/125-lan20:45:350
8804991716,1cyclictest55650irq/125-lan20:35:150
8804991716,1cyclictest55650irq/125-lan20:30:090
8804991716,1cyclictest55650irq/125-lan20:27:220
8804991716,1cyclictest55650irq/125-lan19:33:410
8807991616,0cyclictest294-21hwrng00:10:321
8804991615,1cyclictest55650irq/125-lan20:50:160
8804991615,1cyclictest55650irq/125-lan20:20:370
8804991615,1cyclictest55650irq/125-lan20:17:010
8804991615,1cyclictest55650irq/125-lan20:10:020
8804991615,1cyclictest55650irq/125-lan19:48:230
8804991615,1cyclictest55650irq/125-lan19:35:030
8804991615,1cyclictest55650irq/125-lan19:25:190
8804991615,1cyclictest55650irq/125-lan19:19:010
8804991614,1cyclictest55650irq/125-lan21:10:000
8807991515,0cyclictest703-21snmpd20:01:441
8807991515,0cyclictest703-21snmpd19:13:201
8807991515,0cyclictest294-21hwrng23:52:051
8807991515,0cyclictest294-21hwrng23:41:501
8807991515,0cyclictest294-21hwrng23:15:141
8807991515,0cyclictest294-21hwrng23:11:071
8807991515,0cyclictest294-21hwrng22:44:311
8807991515,0cyclictest294-21hwrng22:36:191
8807991515,0cyclictest294-21hwrng00:24:521
8807991515,0cyclictest1114-21cat22:25:151
8804991515,0cyclictest55650irq/125-lan19:40:200
8804991515,0cyclictest294-21hwrng19:11:300
8804991514,1cyclictest55650irq/125-lan19:21:000
8807991414,0cyclictest294-21hwrng23:20:211
8807991414,0cyclictest294-21hwrng23:08:031
8807991414,0cyclictest294-21hwrng23:02:561
8807991414,0cyclictest294-21hwrng22:55:461
8807991414,0cyclictest294-21hwrng22:45:321
8807991414,0cyclictest294-21hwrng21:35:531
8807991414,0cyclictest294-21hwrng20:47:471
8807991414,0cyclictest294-21hwrng19:57:351
8807991414,0cyclictest294-21hwrng00:05:241
8807991413,1cyclictest294-21hwrng22:00:291
8807991413,1cyclictest294-21hwrng20:55:581
8804991413,1cyclictest55650irq/125-lan20:01:040
8807991313,0cyclictest294-21hwrng23:30:351
8807991313,0cyclictest294-21hwrng22:51:411
8807991313,0cyclictest294-21hwrng22:34:151
8807991313,0cyclictest294-21hwrng22:13:481
8807991313,0cyclictest294-21hwrng21:54:191
8807991313,0cyclictest294-21hwrng21:20:331
8807991313,0cyclictest294-21hwrng21:17:281
8807991313,0cyclictest294-21hwrng21:17:271
8807991313,0cyclictest294-21hwrng21:01:041
8807991313,0cyclictest294-21hwrng20:50:511
8807991313,0cyclictest294-21hwrng20:30:211
8807991313,0cyclictest294-21hwrng20:26:151
8807991313,0cyclictest294-21hwrng20:22:101
8807991313,0cyclictest294-21hwrng20:11:561
8807991313,0cyclictest294-21hwrng19:51:261
8807991313,0cyclictest294-21hwrng19:42:141
8807991313,0cyclictest294-21hwrng19:39:101
8807991313,0cyclictest294-21hwrng19:20:431
8807991212,0cyclictest294-21hwrng22:15:491
8807991212,0cyclictest294-21hwrng22:05:361
8807991212,0cyclictest294-21hwrng21:12:201
8807991212,0cyclictest294-21hwrng20:06:491
8807991212,0cyclictest294-21hwrng19:25:521
8807991212,0cyclictest294-21hwrng00:33:021
88079999,0cyclictest294-21hwrng19:30:591
88079999,0cyclictest294-21hwrng00:38:101
88079991,2cyclictest0-21swapper/100:00:161
88079988,0cyclictest703-21snmpd20:17:241
88079988,0cyclictest703-21snmpd00:26:001
88079987,1cyclictest9418-21/usr/sbin/munin21:30:201
88079987,1cyclictest703-21snmpd23:45:481
88079985,2cyclictest703-21snmpd19:18:181
88079984,0cyclictest191rcu_preempt23:55:401
88079984,0cyclictest191rcu_preempt00:15:201
88079980,2cyclictest11714-21grep20:40:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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