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2024-06-18 - 08:52

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #4

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 rack0slot4s.osadl.org (updated Tue Jun 18, 2024 00:46:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34307012365322,14sleep80-21swapper/819:06:3614
34307542357337,13sleep150-21swapper/1519:07:167
34304242356348,5sleep70-21swapper/719:05:3113
34306802353334,13sleep100-21swapper/1019:06:222
34308392351334,11sleep60-21swapper/619:08:2712
34306692350329,14sleep30-21swapper/319:06:169
34306782349330,13sleep90-21swapper/919:06:2215
34307792348328,13sleep50-21swapper/519:07:3811
34306032346325,14sleep140-21swapper/1419:05:386
34309522345325,13sleep40-21swapper/419:09:4710
34309382345325,13sleep130-21swapper/1319:09:395
34307052345326,12sleep110-21swapper/1119:06:393
34306262345325,13sleep120-21swapper/1219:05:534
34307762342320,14sleep20-21swapper/219:07:358
34307742342321,14sleep00-21swapper/019:07:340
34306662342322,13sleep10-21swapper/119:06:131
3431369999910,44cyclictest0-21swapper/920:13:4115
3431381999723,74cyclictest0-21swapper/1320:13:425
3431342999536,30cyclictest0-21swapper/020:13:410
3431375999232,30cyclictest0-21swapper/1120:13:413
3431366998325,28cyclictest0-21swapper/820:13:4014
3431344997170,1cyclictest28066-21Xorg20:13:411
3431350996362,1cyclictest28066-21Xorg20:13:419
3431360994918,31cyclictest0-21swapper/620:13:4112
3431373994745,1cyclictest3626104-21kworker/u32:0+flush-259:023:40:222
3431388994544,1cyclictest3619007-21kworker/u32:1+flush-259:022:15:227
3431388994342,1cyclictest3626104-21kworker/u32:0+flush-259:022:05:197
3431344994242,0cyclictest0-21swapper/119:56:021
3431384994140,1cyclictest28066-21Xorg20:13:416
3431379994140,1cyclictest3379906-21kworker/u32:3+flush-259:019:30:254
3431384994039,1cyclictest3814841-21kworker/u32:5+flush-259:000:05:246
343138899393,11cyclictest0-21swapper/1522:45:127
3431358993837,1cyclictest3443245-21kworker/u32:0+events_unbound19:57:2811
3431384993714,23cyclictest0-21swapper/1422:00:236
3431366993735,2cyclictest3462659-21kworker/u32:1+flush-259:021:25:2314
3431358993736,1cyclictest28066-21Xorg20:13:4211
3431348993735,2cyclictest3462659-21kworker/u32:1+flush-259:020:35:278
3431388993635,1cyclictest3800475-21kworker/u32:3+flush-259:000:25:217
343138899360,23cyclictest0-21swapper/1519:16:327
343138899360,23cyclictest0-21swapper/1519:16:327
3431363993613,1cyclictest0-21swapper/723:38:5713
3431384993534,1cyclictest3619007-21kworker/u32:1+events_unbound22:35:246
3431384993534,1cyclictest3619007-21kworker/u32:1+events_unbound22:35:246
3431379993533,2cyclictest3580608-21kworker/u32:2+flush-259:021:20:214
3431375993428,0cyclictest3629923-21mii-tool21:50:163
3431366993434,0cyclictest0-21swapper/821:12:5014
3431348993433,1cyclictest3786322-21kworker/u32:1+flush-259:023:35:218
3431384993332,1cyclictest3462659-21kworker/u32:1+events_unbound20:45:216
3431366993332,1cyclictest3379906-21kworker/u32:3+flush-259:019:20:1614
3431366993332,1cyclictest3379906-21kworker/u32:3+flush-259:019:20:1614
3431388993231,1cyclictest3626104-21kworker/u32:0+events_unbound22:10:237
343138899320,29cyclictest0-21swapper/1523:30:157
3431366993231,1cyclictest3505162-21kworker/u32:0+events_unbound20:50:2714
3431366993220,6cyclictest0-21swapper/819:56:0314
3431348993210,22cyclictest0-21swapper/222:58:578
343134899320,1cyclictest0-21swapper/222:05:168
3431344993231,1cyclictest3384696-21kworker/u32:1+events_unbound19:15:231
3431344993231,1cyclictest3384696-21kworker/u32:1+events_unbound19:15:231
3431342993231,1cyclictest3462659-21kworker/u32:1+flush-259:020:35:220
3431342993230,1cyclictest3684840-21mii-tool22:10:190
343138899317,11cyclictest0-21swapper/1520:55:237
3431384993124,6cyclictest0-21swapper/1419:56:026
3431375993127,1cyclictest3769378-21snmpd19:27:583
3431375993127,1cyclictest3769378-21snmpd19:27:583
3431369993130,1cyclictest3769378-21snmpd23:39:2815
343136999310,30cyclictest0-21swapper/923:05:1515
343136999310,30cyclictest0-21swapper/922:35:2315
343136999310,30cyclictest0-21swapper/922:35:2215
343136999310,30cyclictest0-21swapper/921:40:1615
343136699310,1cyclictest0-21swapper/823:00:4514
3431360993130,1cyclictest3769378-21snmpd23:58:1812
343136099310,30cyclictest0-21swapper/620:25:5212
343135399310,30cyclictest0-21swapper/400:30:2010
3431350993129,1cyclictest3769378-21snmpd23:59:469
3431348993126,5cyclictest3524616-21ethtool20:30:158
343134899310,30cyclictest0-21swapper/220:40:278
3431344993131,0cyclictest0-21swapper/100:12:011
3431344993130,1cyclictest3769378-21snmpd22:11:341
3431344993130,1cyclictest3626104-21kworker/u32:0+events_unbound22:20:191
343134299310,30cyclictest0-21swapper/019:36:470
343138899305,25cyclictest0-21swapper/1500:02:067
3431388993029,1cyclictest0-21swapper/1519:23:227
3431388993029,1cyclictest0-21swapper/1519:23:227
343138899300,30cyclictest0-21swapper/1520:31:007
343138899300,29cyclictest0-21swapper/1520:25:187
343138899300,27cyclictest0-21swapper/1521:10:177
343138899300,1cyclictest0-21swapper/1523:19:097
343138499300,29cyclictest0-21swapper/1421:20:086
3431379993025,3cyclictest0-21swapper/1223:00:164
343137999300,29cyclictest0-21swapper/1222:10:204
343137599300,29cyclictest0-21swapper/1121:38:503
3431373993029,1cyclictest0-21swapper/1021:49:542
3431369993029,1cyclictest3769378-21snmpd22:26:2115
3431369993029,1cyclictest3769378-21snmpd00:15:1715
343136999300,30cyclictest0-21swapper/920:07:1215
343136999300,29cyclictest0-21swapper/922:34:5515
343136999300,1cyclictest0-21swapper/919:23:1415
343136999300,1cyclictest0-21swapper/919:23:1315
3431366993029,1cyclictest3769378-21snmpd21:30:5914
3431366993029,1cyclictest3379906-21kworker/u32:3+events_unbound19:35:2314
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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