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2026-05-29 - 20:20

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, slot #8

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 rackbslot8s (updated Fri May 29, 2026 12:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4171867993250,325cyclictest0-21swapper/011:38:490
417189599299298,1cyclictest2-21kthreadd11:38:507
417188099259259,0cyclictest190093-21lspci11:38:493
417188599199199,0cyclictest190093-21lspci11:38:484
41718719913637,0cyclictest134811-21kworker/1:211:38:481
41714002121107,9sleep30-21swapper/307:06:383
41716252120106,9sleep40-21swapper/407:09:524
4171618211989,10sleep60-21swapper/607:09:456
41714642117102,10sleep20-21swapper/207:07:342
4171368211398,10sleep00-21swapper/007:06:100
4171342211298,9sleep10-21swapper/107:05:481
4171496211096,9sleep70-21swapper/707:08:027
4171608210893,10sleep50-21swapper/507:09:365
4171871991020,100cyclictest0-21swapper/112:06:371
4171895991010,100cyclictest0-21swapper/710:52:377
4171895991010,100cyclictest0-21swapper/710:52:377
41718879910199,2cyclictest553-21snmpd09:42:285
41718879910199,2cyclictest553-21snmpd09:12:245
4171887991010,100cyclictest0-21swapper/508:44:295
4171887991010,100cyclictest0-21swapper/507:31:095
41718859910199,2cyclictest553-21snmpd10:26:034
41718859910199,1cyclictest553-21snmpd10:56:534
41718859910199,1cyclictest553-21snmpd09:14:484
417188599101100,1cyclictest553-21snmpd10:39:044
4171885991010,100cyclictest0-21swapper/410:51:344
4171885991010,100cyclictest0-21swapper/410:51:344
41718769910199,2cyclictest553-21snmpd10:00:452
41718769910199,2cyclictest553-21snmpd09:21:272
41718769910199,2cyclictest553-21snmpd09:17:372
4171876991010,101cyclictest0-21swapper/209:50:372
4171876991010,101cyclictest0-21swapper/207:39:272
4171876991010,100cyclictest0-21swapper/211:46:282
41718719910199,2cyclictest553-21snmpd09:55:141
41718719910199,1cyclictest605-21lldpd10:04:231
41718719910199,1cyclictest553-21snmpd07:11:381
41718719910197,3cyclictest553-21snmpd07:15:501
417187199101100,1cyclictest553-21snmpd09:21:481
4171871991010,99cyclictest0-21swapper/111:43:331
4171871991010,101cyclictest0-21swapper/107:32:221
4171871991010,100cyclictest0-21swapper/112:35:531
4171871991010,100cyclictest0-21swapper/109:18:371
41718959910099,1cyclictest0-21swapper/711:16:557
4171895991000,99cyclictest0-21swapper/712:30:137
4171895991000,99cyclictest0-21swapper/712:23:327
4171895991000,99cyclictest0-21swapper/712:13:497
4171895991000,99cyclictest0-21swapper/709:26:507
4171895991000,99cyclictest0-21swapper/708:17:467
4171895991000,100cyclictest0-21swapper/711:33:487
4171895991000,100cyclictest0-21swapper/708:13:267
41718919910099,1cyclictest553-21snmpd08:06:266
41718919910099,1cyclictest553-21snmpd08:04:016
41718919910099,1cyclictest553-21snmpd07:24:096
41718919910099,0cyclictest553-21snmpd11:19:206
417189199100100,0cyclictest553-21snmpd11:39:116
4171891991000,99cyclictest0-21swapper/610:49:416
4171891991000,99cyclictest0-21swapper/610:49:416
4171891991000,99cyclictest0-21swapper/609:08:396
41718879910099,1cyclictest553-21snmpd11:24:215
41718879910099,1cyclictest553-21snmpd11:11:105
41718879910099,1cyclictest553-21snmpd09:39:525
41718879910099,1cyclictest553-21snmpd08:25:415
41718879910099,1cyclictest553-21snmpd07:36:225
4171887991000,99cyclictest0-21swapper/512:12:225
4171887991000,99cyclictest0-21swapper/511:07:405
4171887991000,99cyclictest0-21swapper/509:19:335
4171887991000,100cyclictest0-21swapper/512:37:405
4171887991000,100cyclictest0-21swapper/510:08:295
41718859910099,1cyclictest553-21snmpd12:16:174
41718859910099,1cyclictest553-21snmpd11:56:394
41718859910099,1cyclictest553-21snmpd11:09:584
41718859910099,1cyclictest553-21snmpd10:01:114
41718859910099,1cyclictest553-21snmpd07:13:184
41718859910099,0cyclictest553-21snmpd09:47:024
41718859910098,2cyclictest553-21snmpd12:33:344
41718859910098,2cyclictest553-21snmpd11:15:104
41718809910099,1cyclictest553-21snmpd12:27:013
41718809910099,1cyclictest553-21snmpd12:11:503
41718809910099,1cyclictest553-21snmpd08:53:433
41718809910099,1cyclictest553-21snmpd07:10:123
41718809910098,2cyclictest553-21snmpd09:25:103
4171876991000,99cyclictest0-21swapper/207:50:132
4171876991000,1cyclictest0-21swapper/207:45:452
4171876991000,100cyclictest0-21swapper/212:01:092
4171876991000,100cyclictest0-21swapper/208:45:422
41718719910099,1cyclictest58329-21cat09:40:151
41718719910099,1cyclictest553-21snmpd11:20:591
41718719910099,1cyclictest553-21snmpd10:08:391
41718719910098,2cyclictest553-21snmpd09:31:281
4171871991000,99cyclictest0-21swapper/111:47:581
4171871991000,99cyclictest0-21swapper/111:12:081
4171871991000,99cyclictest0-21swapper/110:42:061
4171871991000,99cyclictest0-21swapper/109:47:581
4171871991000,99cyclictest0-21swapper/108:24:531
4171871991000,99cyclictest0-21swapper/107:36:211
4171871991000,100cyclictest0-21swapper/109:12:041
41718679910099,1cyclictest553-21snmpd09:16:330
41718679910099,1cyclictest553-21snmpd08:58:030
41718679910099,1cyclictest553-21snmpd07:58:300
41718679910098,1cyclictest605-21lldpd07:54:230
4171867991000,99cyclictest0-21swapper/012:14:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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