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2025-12-04 - 14:42

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 Thu Dec 04, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21740992019,1cyclictest55650irq/125-lan12:39:001
21740992019,1cyclictest55650irq/125-lan11:15:501
21740991919,0cyclictest55650irq/125-lan10:42:541
21740991918,1cyclictest55650irq/125-lan11:24:411
21740991918,1cyclictest55650irq/125-lan11:06:181
21740991918,1cyclictest55650irq/125-lan10:33:451
21740991918,1cyclictest55650irq/125-lan10:23:061
21740991918,1cyclictest55650irq/125-lan10:09:241
21740991918,1cyclictest55650irq/125-lan09:38:111
21740991918,1cyclictest55650irq/125-lan09:33:471
21740991918,1cyclictest55650irq/125-lan09:10:211
21740991818,0cyclictest703-21snmpd12:22:391
21740991818,0cyclictest55650irq/125-lan12:18:221
21740991818,0cyclictest55650irq/125-lan12:09:141
21740991818,0cyclictest55650irq/125-lan11:52:121
21740991818,0cyclictest55650irq/125-lan11:11:431
21740991818,0cyclictest55650irq/125-lan11:03:041
21740991818,0cyclictest55650irq/125-lan10:55:291
21740991818,0cyclictest55650irq/125-lan09:48:301
21740991818,0cyclictest55650irq/125-lan09:40:151
21740991818,0cyclictest55650irq/125-lan09:17:111
21740991818,0cyclictest55650irq/125-lan08:47:081
21740991818,0cyclictest55650irq/125-lan08:19:011
21740991818,0cyclictest55650irq/125-lan07:30:521
21740991817,1cyclictest55650irq/125-lan12:30:211
21740991817,1cyclictest55650irq/125-lan12:26:561
21740991817,1cyclictest55650irq/125-lan12:14:501
21740991817,1cyclictest55650irq/125-lan11:46:161
21740991817,1cyclictest55650irq/125-lan11:44:131
21740991817,1cyclictest55650irq/125-lan11:36:011
21740991817,1cyclictest55650irq/125-lan11:30:591
21740991817,1cyclictest55650irq/125-lan11:25:551
21740991817,1cyclictest55650irq/125-lan10:50:501
21740991817,1cyclictest55650irq/125-lan10:45:141
21740991817,1cyclictest55650irq/125-lan10:28:391
21740991817,1cyclictest55650irq/125-lan10:10:081
21740991817,1cyclictest55650irq/125-lan10:01:371
21740991817,1cyclictest55650irq/125-lan09:56:441
21740991817,1cyclictest55650irq/125-lan09:52:391
21740991817,1cyclictest55650irq/125-lan09:25:181
21740991817,1cyclictest55650irq/125-lan08:05:181
21740991817,0cyclictest55650irq/125-lan10:36:321
21740991717,0cyclictest703-21snmpd09:00:161
21740991717,0cyclictest703-21snmpd08:51:351
21740991717,0cyclictest703-21snmpd08:34:101
21740991717,0cyclictest703-21snmpd08:20:151
21740991717,0cyclictest703-21snmpd08:10:041
21740991717,0cyclictest703-21snmpd07:57:431
21740991717,0cyclictest703-21snmpd07:49:411
21740991717,0cyclictest703-21snmpd07:27:421
21740991717,0cyclictest55650irq/125-lan09:20:091
21740991717,0cyclictest55650irq/125-lan08:41:091
21740991717,0cyclictest55650irq/125-lan08:01:321
21740991716,1cyclictest55650irq/125-lan12:00:541
21740991716,1cyclictest55650irq/125-lan11:55:101
21740991716,1cyclictest55650irq/125-lan10:16:311
21740991716,1cyclictest55650irq/125-lan08:55:211
21740991716,1cyclictest55650irq/125-lan07:42:551
21740991716,1cyclictest55650irq/125-lan07:15:151
21740991616,0cyclictest703-21snmpd08:37:101
21740991616,0cyclictest55650irq/125-lan08:25:161
21740991616,0cyclictest55650irq/125-lan07:36:291
21740991515,0cyclictest55650irq/125-lan09:05:581
21740991515,0cyclictest55650irq/125-lan07:11:131
21735991515,0cyclictest294-21hwrng08:23:190
21740991413,1cyclictest55650irq/125-lan07:55:011
21735991313,0cyclictest294-21hwrng12:29:050
21735991313,0cyclictest294-21hwrng10:54:520
21735991313,0cyclictest294-21hwrng07:37:150
21740991212,0cyclictest55650irq/125-lan07:20:151
21735991212,0cyclictest294-21hwrng11:30:430
21735991212,0cyclictest294-21hwrng11:19:270
21735991212,0cyclictest294-21hwrng09:38:050
21735991111,0cyclictest294-21hwrng12:38:180
21735991010,0cyclictest294-21hwrng10:28:150
21735991010,0cyclictest294-21hwrng07:24:580
2173599100,0cyclictest709-21runrttasks10:21:240
217359999,0cyclictest294-21hwrng12:13:430
217359999,0cyclictest294-21hwrng12:08:360
217359999,0cyclictest294-21hwrng11:59:230
217359999,0cyclictest294-21hwrng11:01:010
217359999,0cyclictest294-21hwrng09:53:260
217359999,0cyclictest294-21hwrng08:15:080
217359999,0cyclictest294-21hwrng07:46:270
217359998,1cyclictest703-21snmpd12:34:000
217359998,1cyclictest703-21snmpd12:21:090
217359998,1cyclictest703-21snmpd11:49:010
217359998,1cyclictest703-21snmpd11:10:150
217359998,1cyclictest703-21snmpd10:55:240
217359998,1cyclictest703-21snmpd09:08:550
217359998,1cyclictest5890-21ssh10:30:210
217359998,1cyclictest19416-21sh10:45:180
217359996,2cyclictest703-21snmpd09:16:030
217359996,2cyclictest703-21snmpd07:19:500
217359988,0cyclictest703-21snmpd10:42:020
217359988,0cyclictest703-21snmpd09:30:570
217359988,0cyclictest703-21snmpd08:47:140
217359988,0cyclictest294-21hwrng11:54:160
217359988,0cyclictest294-21hwrng11:21:300
217359988,0cyclictest294-21hwrng10:37:280
217359988,0cyclictest294-21hwrng09:11:270
217359988,0cyclictest294-21hwrng09:03:150
217359988,0cyclictest294-21hwrng08:58:080
217359988,0cyclictest294-21hwrng08:28:260
217359988,0cyclictest294-21hwrng08:04:540
217359987,1cyclictest1699-21ntp_kernel_pll_07:40:180
217359986,2cyclictest703-21snmpd12:00:350
217359986,2cyclictest703-21snmpd08:11:310
217359986,2cyclictest703-21snmpd07:35:000
217359985,2cyclictest703-21snmpd08:32:190
217359985,2cyclictest703-21snmpd07:55:490
217359984,4cyclictest27929-21sed09:40:150
217359984,3cyclictest703-21snmpd10:01:160
217359977,0cyclictest703-21snmpd10:11:250
217359977,0cyclictest703-21snmpd08:42:470
217359977,0cyclictest703-21snmpd08:09:010
217359977,0cyclictest294-21hwrng12:17:480
217359977,0cyclictest294-21hwrng11:40:570
217359977,0cyclictest294-21hwrng11:35:490
217359977,0cyclictest294-21hwrng11:06:080
217359977,0cyclictest294-21hwrng09:56:300
217359977,0cyclictest294-21hwrng09:45:150
217359977,0cyclictest294-21hwrng09:20:400
217359977,0cyclictest294-21hwrng08:36:380
217359977,0cyclictest294-21hwrng07:13:410
217359976,1cyclictest703-21snmpd09:26:030
217359976,1cyclictest23002-21unixbench-2d11:25:220
217359965,1cyclictest703-21snmpd08:50:140
217359965,1cyclictest6348-21cron07:55:010
217359954,1cyclictest28879-21timerwakeupswit07:25:220
217359954,1cyclictest171ktimers/010:06:060
217359950,1cyclictest191rcu_preempt10:15:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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