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2026-03-09 - 19:07

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #0

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.

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 r0s0s.osadl.org (updated Mon Mar 09, 2026 12:46:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5602562304277,20sleep20-21swapper/207:06:592
5604432299279,12sleep60-21swapper/607:09:376
5604292298262,13sleep10-21swapper/107:09:231
5604322288268,13sleep40-21swapper/407:09:264
5601872288268,13sleep70-21swapper/707:05:597
5602232287267,13sleep50-21swapper/507:06:305
5603892286266,13sleep30-21swapper/307:08:533
5602832286266,13sleep00-21swapper/007:07:220
560948994135,5cyclictest723596-21cp12:30:005
560944993530,4cyclictest449069-21snmpd07:21:331
56094899340,33cyclictest0-21swapper/512:19:045
560947993431,2cyclictest624206-21kworker/u16:2+flush-8:009:15:264
56094799340,31cyclictest0-21swapper/407:36:144
560945993430,3cyclictest449069-21snmpd09:48:172
560950993330,2cyclictest449069-21snmpd10:36:527
56095099330,30cyclictest0-21swapper/712:05:497
56095099330,30cyclictest0-21swapper/709:12:507
56095099330,30cyclictest0-21swapper/709:00:437
560947993330,2cyclictest622949-21cat09:10:174
560947993330,2cyclictest449069-21snmpd12:22:464
560947993330,2cyclictest449069-21snmpd08:15:244
56094799330,30cyclictest0-21swapper/407:30:184
560945993330,3cyclictest449069-21snmpd11:35:572
560945993330,3cyclictest449069-21snmpd07:58:112
560945993330,2cyclictest449069-21snmpd10:02:442
560945993330,2cyclictest449069-21snmpd07:39:042
560944993330,2cyclictest449069-21snmpd12:38:511
560944993330,2cyclictest449069-21snmpd07:54:051
56094399330,30cyclictest0-21swapper/007:22:100
560950993230,1cyclictest449069-21snmpd10:48:107
560950993229,2cyclictest714118-21cat12:10:137
560950993229,2cyclictest449069-21snmpd11:15:547
56095099320,31cyclictest0-21swapper/711:23:037
56095099320,31cyclictest0-21swapper/710:32:157
56095099320,31cyclictest0-21swapper/707:46:527
56095099320,30cyclictest0-21swapper/710:54:237
56095099320,30cyclictest0-21swapper/710:18:547
56095099320,30cyclictest0-21swapper/707:31:317
560948993230,2cyclictest449069-21snmpd07:26:195
56094899320,30cyclictest0-21swapper/512:30:145
560947993230,2cyclictest449069-21snmpd11:34:454
560947993230,1cyclictest449069-21snmpd08:02:294
560947993229,2cyclictest449069-21snmpd11:43:044
560947993229,2cyclictest449069-21snmpd11:29:304
560947993229,2cyclictest449069-21snmpd11:29:294
560947993229,2cyclictest449069-21snmpd08:42:284
56094799320,31cyclictest0-21swapper/411:36:314
56094799320,31cyclictest0-21swapper/409:36:514
56094799320,31cyclictest0-21swapper/407:20:304
560946993230,2cyclictest721924-21cat12:25:143
560946993230,2cyclictest449069-21snmpd08:57:343
560946993229,2cyclictest653222-21cat10:10:163
560945993230,1cyclictest449069-21snmpd09:36:402
560945993229,2cyclictest449069-21snmpd10:27:572
560945993228,3cyclictest516654-21ntpd08:49:432
560945993228,3cyclictest449069-21snmpd09:07:502
560944993230,1cyclictest449069-21snmpd11:41:521
560944993230,1cyclictest449069-21snmpd11:26:451
560944993230,1cyclictest449069-21snmpd11:26:441
560944993230,1cyclictest449069-21snmpd09:21:131
560944993230,1cyclictest449069-21snmpd08:26:421
560944993229,2cyclictest449069-21snmpd12:20:041
560944993229,2cyclictest449069-21snmpd10:44:431
560943993230,2cyclictest620153-21cat09:05:140
560943993230,2cyclictest449069-21snmpd11:03:070
560943993230,2cyclictest449069-21snmpd10:17:150
560943993229,2cyclictest648213-21cat10:00:150
56094399320,31cyclictest0-21swapper/012:20:160
56094399320,30cyclictest0-21swapper/011:10:530
56094399320,30cyclictest0-21swapper/007:55:340
56094399320,2cyclictest701353-21df_inode11:45:130
560950993130,1cyclictest449069-21snmpd10:40:527
560950993129,1cyclictest449069-21snmpd09:42:367
560950993129,1cyclictest449069-21snmpd09:42:357
560950993129,1cyclictest449069-21snmpd08:27:367
560950993129,1cyclictest449069-21snmpd07:27:527
560950993128,2cyclictest449069-21snmpd11:40:017
560950993128,2cyclictest449069-21snmpd10:55:117
560950993128,2cyclictest449069-21snmpd08:14:057
56095099310,30cyclictest0-21swapper/712:21:257
56095099310,30cyclictest0-21swapper/711:50:377
56095099310,30cyclictest0-21swapper/708:42:137
56095099310,30cyclictest0-21swapper/708:32:127
56095099310,30cyclictest0-21swapper/708:06:217
56095099310,30cyclictest0-21swapper/707:53:507
56095099310,30cyclictest0-21swapper/707:18:047
56095099310,1cyclictest0-21swapper/711:12:567
56095099310,1cyclictest0-21swapper/708:18:067
560949993130,1cyclictest449069-21snmpd11:25:066
560949993130,1cyclictest449069-21snmpd11:25:056
560949993130,1cyclictest449069-21snmpd11:04:416
560949993130,1cyclictest449069-21snmpd09:11:296
560949993130,1cyclictest449069-21snmpd08:57:166
560949993129,2cyclictest653211-21cat10:10:156
560949993129,2cyclictest449069-21snmpd12:19:106
560948993130,1cyclictest449069-21snmpd11:37:305
560948993129,2cyclictest637949-21cat09:40:165
560948993129,2cyclictest637949-21cat09:40:155
560948993129,2cyclictest602399-21cat08:30:135
560948993129,2cyclictest449069-21snmpd12:03:075
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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