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2023-09-30 - 12:26

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, 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 
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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 highest latencies:
System rack9slot4s.osadl.org (updated Sat Sep 30, 2023 00:59:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
90009911751133,37cyclictest6670-21smartctl20:40:390
90149911551132,19cyclictest0-21swapper/119:35:341
85372467402,50sleep00-21swapper/019:20:500
85992448402,31sleep10-21swapper/119:21:281
900099161150,7cyclictest2397-21lldpd19:35:340
2702721380,2sleep10-21swapper/123:00:361
901499122114,5cyclictest2397-21lldpd20:40:391
19482920,7sleep00-21swapper/000:45:590
19482920,7sleep00-21swapper/000:45:590
252422860,4sleep0111rcuc/000:23:390
305472850,8sleep0900099cyclictest21:45:240
67522840,5sleep0111rcuc/023:35:180
318062750,5sleep00-21swapper/020:21:160
9000997010,8cyclictest2779-21snmpd23:52:560
9014996510,31cyclictest2397-21lldpd23:15:401
901499605,9cyclictest13939-21netstat21:00:321
9014996015,40cyclictest2779-21snmpd00:45:521
9014996015,40cyclictest2779-21snmpd00:45:511
9014996012,42cyclictest2779-21snmpd00:03:361
9014996011,43cyclictest2779-21snmpd23:06:201
9014996011,43cyclictest2779-21snmpd22:08:141
9014995912,41cyclictest2779-21snmpd22:10:421
9014995912,41cyclictest2779-21snmpd20:50:081
9014995912,41cyclictest2779-21snmpd00:08:301
9014995911,43cyclictest2779-21snmpd23:10:511
9014995911,42cyclictest2779-21snmpd21:30:011
9014995911,42cyclictest2779-21snmpd00:29:251
9014995911,42cyclictest2779-21snmpd00:15:501
9014995812,41cyclictest2779-21snmpd21:21:171
9014995811,7cyclictest2779-21snmpd20:21:071
9014995811,41cyclictest2779-21snmpd23:21:251
9014995810,42cyclictest2779-21snmpd23:51:231
9014995810,42cyclictest2779-21snmpd23:25:591
9014995712,40cyclictest2779-21snmpd22:52:241
9014995712,40cyclictest2779-21snmpd00:39:471
9014995712,39cyclictest2779-21snmpd22:26:151
9014995712,39cyclictest2779-21snmpd21:07:011
9014995712,39cyclictest2779-21snmpd19:41:531
9014995711,41cyclictest2779-21snmpd21:33:501
9014995711,40cyclictest2779-21snmpd22:33:171
9014995711,40cyclictest2779-21snmpd20:11:391
9014995711,40cyclictest2779-21snmpd19:30:161
9014995711,39cyclictest2779-21snmpd21:35:021
9014995613,37cyclictest2779-21snmpd23:57:121
9014995613,37cyclictest2779-21snmpd00:50:151
9014995612,38cyclictest2779-21snmpd22:44:411
9014995612,38cyclictest2779-21snmpd22:36:221
9014995612,38cyclictest2779-21snmpd22:00:021
9014995612,38cyclictest2779-21snmpd20:37:001
9014995611,40cyclictest2779-21snmpd23:49:161
9014995611,40cyclictest2779-21snmpd21:45:591
9014995611,40cyclictest2779-21snmpd21:42:131
9014995611,40cyclictest2779-21snmpd20:32:231
9014995611,40cyclictest2779-21snmpd00:33:311
9014995611,39cyclictest2779-21snmpd23:36:251
9014995611,39cyclictest2779-21snmpd20:46:061
9014995611,39cyclictest2779-21snmpd20:25:031
9014995611,39cyclictest2779-21snmpd20:02:431
9014995611,39cyclictest2779-21snmpd00:10:161
9014995611,38cyclictest2779-21snmpd22:55:131
9014995611,38cyclictest2779-21snmpd21:15:031
9014995610,40cyclictest2779-21snmpd21:54:141
9014995512,37cyclictest2779-21snmpd19:50:031
9014995512,37cyclictest2779-21snmpd19:25:021
9014995511,40cyclictest2779-21snmpd21:57:411
9014995511,39cyclictest2779-21snmpd23:41:281
9014995511,39cyclictest2779-21snmpd23:33:171
9014995511,39cyclictest2779-21snmpd22:20:561
9014995511,39cyclictest2779-21snmpd22:15:431
9014995511,39cyclictest2779-21snmpd20:55:521
9014995511,39cyclictest2779-21snmpd20:05:491
9014995511,39cyclictest2779-21snmpd19:59:071
9014995511,39cyclictest2779-21snmpd19:46:291
9014995511,39cyclictest2779-21snmpd00:41:081
9014995511,38cyclictest2779-21snmpd21:10:411
9014995511,38cyclictest2779-21snmpd20:16:471
9014995511,38cyclictest2779-21snmpd00:20:061
9014995510,39cyclictest2779-21snmpd22:48:021
900099548,8cyclictest2779-21snmpd21:25:370
900099502,14cyclictest0-21swapper/020:09:500
300122500,5sleep0111rcuc/000:35:290
9000994910,16cyclictest2779-21snmpd21:21:310
900099479,13cyclictest2397-21lldpd22:10:330
322372460,7sleep0900099cyclictest21:50:200
900099429,10cyclictest2397-21lldpd00:08:020
9000993722,12cyclictest2779-21snmpd21:14:460
900099352,4cyclictest81rcu_preempt20:37:460
900099352,14cyclictest0-21swapper/000:26:260
900099349,20cyclictest2779-21snmpd20:15:220
900099345,5cyclictest81rcu_preempt19:44:410
900099345,4cyclictest81rcu_preempt23:49:210
900099344,5cyclictest81rcu_preempt20:02:140
900099342,28cyclictest0-21swapper/023:33:460
103372344,4sleep081rcu_preempt22:16:090
900099339,7cyclictest0-21swapper/021:08:580
900099334,5cyclictest81rcu_preempt23:27:240
900099333,4cyclictest81rcu_preempt20:28:330
900099333,11cyclictest24996-21fgrep22:55:350
900099332,25cyclictest0-21swapper/021:36:450
900099332,13cyclictest0-21swapper/022:53:470
29072332,28sleep02779-21snmpd00:50:250
900099329,6cyclictest3289-21runrttasks19:27:440
900099329,6cyclictest0-21swapper/000:41:300
900099329,16cyclictest2779-21snmpd20:53:010
900099328,7cyclictest0-21swapper/023:21:450
900099328,7cyclictest0-21swapper/019:58:110
900099328,6cyclictest0-21swapper/023:15:500
900099327,9cyclictest2779-21snmpd00:13:540
900099326,9cyclictest0-21swapper/021:31:110
9000993222,6cyclictest22373-21iostat00:15:300
900099322,24cyclictest0-21swapper/023:12:150
900099322,24cyclictest0-21swapper/020:33:180
900099322,13cyclictest0-21swapper/019:45:490
111392324,4sleep011190-21df22:20:220
101422325,4sleep081rcu_preempt23:42:570
900099316,7cyclictest0-21swapper/022:43:240
900099316,11cyclictest2397-21lldpd19:51:110
900099312,25cyclictest0-21swapper/021:18:170
900099312,13cyclictest0-21swapper/000:32:210
900099311,3cyclictest0-21swapper/023:56:520
9000993111,16cyclictest0-21swapper/019:33:480
212362312,4sleep02779-21snmpd22:45:380
162962313,4sleep081rcu_preempt22:34:250
900099307,7cyclictest0-21swapper/022:39:170
900099303,21cyclictest27314-21kernelversion20:10:330
900099302,11cyclictest0-21swapper/023:05:050
9000993019,7cyclictest0-21swapper/021:55:330
900099301,8cyclictest13354-21if_eth022:25:270
9000993010,16cyclictest2397-21lldpd22:09:450
900099295,17cyclictest2397-21lldpd21:41:340
900099294,4cyclictest81rcu_preempt23:02:240
900099291,11cyclictest2779-21snmpd20:46:240
9000992911,13cyclictest2779-21snmpd20:55:280
900099282,20cyclictest0-21swapper/021:04:510
9000992820,4cyclictest44002chrt22:00:380
9000992811,13cyclictest2397-21lldpd00:01:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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