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2023-12-04 - 08:21

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #5

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 rack0slot5s.osadl.org (updated Mon Dec 04, 2023 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23445142250245,3sleep70-21swapper/719:07:2113
23445802249228,4sleep10-21swapper/119:08:191
23445172241236,3sleep100-21swapper/1019:07:242
23444932240235,3sleep40-21swapper/419:07:0210
23417212240235,3sleep110-21swapper/1119:05:173
23446552237232,3sleep50-21swapper/519:09:2811
23446182237232,3sleep30-21swapper/319:08:549
23444872235230,3sleep150-21swapper/1519:06:577
23444812235229,4sleep90-21swapper/919:06:5115
23446452230223,5sleep120-21swapper/1219:09:194
23445202230224,4sleep130-21swapper/1319:07:285
23446522229223,4sleep20-21swapper/219:09:258
23444562226220,4sleep60-21swapper/619:06:3212
23446412221215,4sleep80-21swapper/819:09:1514
23445042215209,4sleep140-21swapper/1419:07:136
23446152131127,2sleep00-21swapper/019:08:510
234503299280,27cyclictest0-21swapper/1519:36:477
234502999280,27cyclictest0-21swapper/1400:03:146
2345027992827,1cyclictest1720-21snmpd21:22:055
234502799280,27cyclictest0-21swapper/1319:25:285
234501999280,27cyclictest0-21swapper/1123:43:213
234501999280,27cyclictest0-21swapper/1122:48:083
234501799280,27cyclictest0-21swapper/1021:31:412
2345013992827,1cyclictest1720-21snmpd19:16:5815
234500599285,23cyclictest0-21swapper/721:08:0413
234500599280,27cyclictest0-21swapper/722:05:5413
234499999280,27cyclictest0-21swapper/620:44:0312
2344996992827,1cyclictest1720-21snmpd19:24:3811
234499699280,27cyclictest0-21swapper/500:21:2211
2344991992823,3cyclictest0-21swapper/323:00:229
2344991992823,3cyclictest0-21swapper/323:00:219
234499199280,27cyclictest0-21swapper/320:32:129
234498799280,27cyclictest0-21swapper/221:23:508
2345032992726,1cyclictest1720-21snmpd23:31:017
2345032992726,1cyclictest1720-21snmpd20:07:357
234503299270,26cyclictest0-21swapper/1520:36:247
234503299270,1cyclictest0-21swapper/1520:44:067
2345029992726,1cyclictest1720-21snmpd00:32:336
2345029992725,1cyclictest1720-21snmpd00:06:016
234502799270,27cyclictest0-21swapper/1300:23:415
2345022992726,1cyclictest1720-21snmpd21:21:234
2345022992726,1cyclictest1720-21snmpd00:37:084
234502299270,1cyclictest0-21swapper/1223:03:034
234502299270,1cyclictest0-21swapper/1223:03:024
2345019992726,1cyclictest2485016-21ethtool22:35:263
2345019992726,1cyclictest2355057-21ethtool19:20:213
2345019992726,1cyclictest1720-21snmpd22:44:073
2345017992726,1cyclictest1720-21snmpd21:02:222
2345017992726,1cyclictest1720-21snmpd19:31:382
2345013992726,1cyclictest1720-21snmpd23:43:5715
2345013992726,1cyclictest1720-21snmpd21:13:2315
2345013992726,1cyclictest1720-21snmpd20:58:2015
2345010992726,1cyclictest1720-21snmpd23:33:5714
2345010992726,1cyclictest1720-21snmpd20:53:1014
2345005992726,1cyclictest1720-21snmpd23:56:5913
2345005992726,1cyclictest1720-21snmpd23:09:5113
2345005992726,1cyclictest1720-21snmpd23:09:5013
2345005992726,1cyclictest1720-21snmpd21:17:4413
234500599270,27cyclictest0-21swapper/723:33:4213
2344999992726,1cyclictest1720-21snmpd23:27:3112
2344999992726,1cyclictest1720-21snmpd00:01:5512
2344996992726,1cyclictest1720-21snmpd23:24:1211
2344996992726,1cyclictest1720-21snmpd23:06:5011
2344996992726,1cyclictest1720-21snmpd23:06:5011
2344996992726,1cyclictest1720-21snmpd22:49:0111
2344996992726,1cyclictest1720-21snmpd20:35:3311
2344996992726,1cyclictest1720-21snmpd19:35:1611
234499699270,26cyclictest0-21swapper/519:51:0611
234499699270,1cyclictest0-21swapper/522:03:3311
2344994992726,1cyclictest2373413-21mii-tool19:45:2110
2344994992726,1cyclictest1720-21snmpd23:06:0810
2344994992726,1cyclictest1720-21snmpd23:06:0810
234499499270,26cyclictest0-21swapper/420:23:5810
234499499270,1cyclictest0-21swapper/421:08:4310
2344991992726,1cyclictest1720-21snmpd20:11:299
234499199270,1cyclictest0-21swapper/321:57:519
2344987992726,1cyclictest1720-21snmpd22:58:458
2344987992726,1cyclictest1720-21snmpd22:58:448
234498799270,26cyclictest0-21swapper/200:17:138
2344984992726,1cyclictest1720-21snmpd19:20:051
2344984992726,1cyclictest1720-21snmpd00:28:511
2344981992726,1cyclictest1720-21snmpd19:17:250
234498199270,26cyclictest0-21swapper/022:38:250
2345032992625,1cyclictest1720-21snmpd19:40:437
2345032992625,1cyclictest1720-21snmpd00:25:597
2345029992626,0cyclictest2380760-21mii-tool19:55:236
2345029992625,1cyclictest1720-21snmpd22:50:016
2345029992625,1cyclictest1720-21snmpd22:50:016
2345027992625,1cyclictest1720-21snmpd22:21:285
2345027992625,1cyclictest1720-21snmpd22:17:135
2345027992625,1cyclictest1720-21snmpd21:07:325
2345027992625,1cyclictest1720-21snmpd19:56:175
2345022992625,1cyclictest0-21swapper/1221:50:454
2345019992625,1cyclictest1720-21snmpd00:36:203
2345017992625,1cyclictest1720-21snmpd21:28:292
2345017992625,1cyclictest1720-21snmpd20:24:152
234501799260,26cyclictest0-21swapper/1020:50:192
2345013992625,1cyclictest1720-21snmpd22:26:3215
2345010992625,1cyclictest2485020-21mii-tool22:35:2714
2345005992626,0cyclictest1720-21snmpd22:02:1213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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