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2025-07-12 - 12:55

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, slot #6

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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  Intel
Click here to display the system's profile data or here to proceed to next system.
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Sat Jul 12, 2025 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
223099970,5rtkit-daemon2229-21rtkit-daemon21:22:353
2801799964,84cyclictest0-21swapper/022:17:590
2801799944,54cyclictest0-21swapper/021:32:310
2801799934,81cyclictest0-21swapper/022:43:580
2802199924,81cyclictest0-21swapper/223:37:132
2801799923,9cyclictest0-21swapper/018:46:020
2801799914,80cyclictest0-21swapper/020:57:200
2801799905,75cyclictest0-21swapper/018:27:080
2801799904,78cyclictest0-21swapper/022:02:160
2802199894,78cyclictest0-21swapper/221:57:012
2801799894,77cyclictest0-21swapper/019:37:350
223099890,4rtkit-daemon2229-21rtkit-daemon23:27:232
2802199884,76cyclictest0-21swapper/219:27:282
2802199884,60cyclictest0-21swapper/218:47:192
2801799884,66cyclictest0-21swapper/019:52:280
2801799884,55cyclictest0-21swapper/020:22:360
223099880,6rtkit-daemon0-21swapper/021:28:200
2802199874,76cyclictest0-21swapper/220:27:032
2802199874,74cyclictest0-21swapper/219:02:072
2802199874,74cyclictest0-21swapper/219:02:072
2801799873,9cyclictest0-21swapper/023:46:560
2801799873,77cyclictest0-21swapper/023:47:110
2801799873,60cyclictest28237-21munin-node18:27:330
2801799873,10cyclictest0-21swapper/020:27:310
2801799864,75cyclictest0-21swapper/023:32:240
2801799864,75cyclictest0-21swapper/021:37:180
2801799864,75cyclictest0-21swapper/019:47:220
2801799864,75cyclictest0-21swapper/019:37:060
2801799864,74cyclictest0-21swapper/020:12:040
2801799863,76cyclictest0-21swapper/021:02:260
2801799863,76cyclictest0-21swapper/021:02:260
223099860,4rtkit-daemon2229-21rtkit-daemon23:47:303
2802199853,66cyclictest0-21swapper/218:37:252
2802199853,63cyclictest31248-21fschecks_time23:02:152
2801799854,74cyclictest0-21swapper/021:47:000
2801799854,74cyclictest0-21swapper/021:47:000
2801799853,75cyclictest0-21swapper/018:47:350
2802199844,72cyclictest7531-21latency_hist23:21:572
2801799844,73cyclictest0-21swapper/021:52:010
2801799844,72cyclictest0-21swapper/019:27:270
2801799844,72cyclictest0-21swapper/019:17:230
2801799844,65cyclictest0-21swapper/020:32:320
2801799843,75cyclictest0-21swapper/021:52:170
2802199834,71cyclictest1584-21nscd22:31:582
2802199834,71cyclictest1584-21nscd22:31:582
2802199834,65cyclictest0-21swapper/221:22:282
2802199834,64cyclictest0-21swapper/223:50:032
2802199833,73cyclictest0-21swapper/218:32:252
2801799837,54cyclictest0-21swapper/022:27:250
2801799837,54cyclictest0-21swapper/022:27:250
2801799834,58cyclictest0-21swapper/018:52:350
2801799832,10cyclictest0-21swapper/019:57:300
223099830,5rtkit-daemon2229-21rtkit-daemon19:01:113
223099830,5rtkit-daemon2229-21rtkit-daemon19:01:113
2802199824,71cyclictest0-21swapper/221:27:252
2802199824,70cyclictest0-21swapper/223:07:252
2802199824,70cyclictest0-21swapper/223:07:252
2802199824,63cyclictest0-21swapper/218:43:372
2802199823,72cyclictest0-21swapper/222:43:282
2801799824,71cyclictest0-21swapper/020:42:030
2801799824,69cyclictest0-21swapper/019:02:310
2801799824,57cyclictest0-21swapper/021:12:230
28017998225,50cyclictest0-21swapper/020:22:000
28017998225,50cyclictest0-21swapper/020:22:000
223099820,4rtkit-daemon2229-21rtkit-daemon22:36:330
223099820,4rtkit-daemon2229-21rtkit-daemon20:43:443
2802199814,70cyclictest0-21swapper/222:16:592
2802199814,70cyclictest0-21swapper/220:58:272
2802199814,62cyclictest0-21swapper/223:12:262
2802199814,62cyclictest0-21swapper/222:39:172
2802199814,48cyclictest0-21swapper/219:22:062
2801799813,71cyclictest0-21swapper/019:42:220
2801799813,71cyclictest0-21swapper/019:42:220
2801799813,7cyclictest15978-21awk20:17:030
2801799813,58cyclictest0-21swapper/022:54:210
2801799813,10cyclictest6544-21cat23:17:230
223099810,5rtkit-daemon2229-21rtkit-daemon23:27:163
223099810,4rtkit-daemon2229-21rtkit-daemon22:53:323
2802199804,69cyclictest0-21swapper/223:32:282
2802199804,68cyclictest0-21swapper/221:02:282
2802199804,68cyclictest0-21swapper/221:02:282
2802199804,65cyclictest0-21swapper/221:37:172
2802199804,61cyclictest0-21swapper/221:07:242
2802199803,69cyclictest0-21swapper/219:47:252
2802199803,55cyclictest0-21swapper/223:42:112
2801799804,69cyclictest0-21swapper/018:57:370
2801799804,69cyclictest0-21swapper/018:57:370
2801799804,61cyclictest0-21swapper/023:02:210
2801799803,9cyclictest0-21swapper/021:17:160
2801799803,70cyclictest0-21swapper/023:37:270
223099800,6rtkit-daemon2229-21rtkit-daemon18:39:493
223099800,5rtkit-daemon2229-21rtkit-daemon23:07:393
223099800,5rtkit-daemon2229-21rtkit-daemon23:07:393
223099800,5rtkit-daemon2229-21rtkit-daemon22:39:103
223099800,5rtkit-daemon2229-21rtkit-daemon21:44:573
223099800,5rtkit-daemon2229-21rtkit-daemon21:44:573
223099800,4rtkit-daemon2229-21rtkit-daemon21:12:133
223099800,4rtkit-daemon2229-21rtkit-daemon19:52:313
2802199794,57cyclictest0-21swapper/219:07:232
2802199793,52cyclictest6654-21munin-node19:57:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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