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2023-06-07 - 18:32

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #1

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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x86 Intel Xeon E3-1230 V2 @3300 MHz, Linux 3.18.36-rt37 (Profile)

Latency plot of shadow in rack #0, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 rack0slot1s.osadl.org (updated Wed Jun 07, 2023 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2945799123120,2cyclictest0-21swapper/711:28:227
2943199123122,0cyclictest37-21ksoftirqd/311:28:223
2944099121120,1cyclictest188850irq/36-eth1-rx-11:55:304
2941499120120,0cyclictest3-21ksoftirqd/010:19:510
2945099119119,0cyclictest188850irq/36-eth1-rx-07:54:546
2944099119118,1cyclictest0-21swapper/407:15:034
2945799116114,1cyclictest0-21swapper/707:15:027
2943199116115,0cyclictest37-21ksoftirqd/307:15:023
2944099106104,1cyclictest0-21swapper/411:04:354
2942499101101,0cyclictest29-21ksoftirqd/209:15:562
29424999595,0cyclictest29-21ksoftirqd/209:59:482
29440999491,2cyclictest0-21swapper/410:44:574
29419999494,0cyclictest21-21ksoftirqd/107:19:181
29414998379,2cyclictest3-21ksoftirqd/009:19:390
29424996968,0cyclictest188850irq/36-eth1-rx-09:49:342
29445996867,1cyclictest0-21swapper/507:19:185
2776626544,17sleep70-21swapper/707:05:367
29450995249,2cyclictest0-21swapper/611:20:056
2903025233,6sleep60-21swapper/607:07:116
29440994949,0cyclictest188850irq/36-eth1-rx-10:22:354
29440994949,0cyclictest188850irq/36-eth1-rx-10:22:354
2905724927,8sleep40-21swapper/407:07:344
2900624535,7sleep20-21swapper/207:06:512
2900724319,21sleep30-21swapper/307:06:523
2908024113,22sleep00-21swapper/007:07:540
29457993938,1cyclictest0-21swapper/707:21:187
29431993939,0cyclictest37-21ksoftirqd/307:21:183
2904723919,17sleep50-21swapper/507:07:275
29440993836,1cyclictest0-21swapper/410:19:514
2701923614,18sleep10-21swapper/107:05:221
29424993433,1cyclictest0-21swapper/207:54:542
29424992115,4cyclictest0-21swapper/207:10:322
29424992112,8cyclictest0-21swapper/211:30:232
29414992015,3cyclictest0-21swapper/012:05:230
2944599190,2cyclictest0-21swapper/510:21:035
2944599190,2cyclictest0-21swapper/510:21:035
29440991914,4cyclictest0-21swapper/411:18:184
29419991915,2cyclictest0-21swapper/108:50:001
29450991812,4cyclictest0-21swapper/607:13:026
29440991813,2cyclictest0-21swapper/409:35:264
29440991812,5cyclictest0-21swapper/409:15:324
2944099180,2cyclictest0-21swapper/408:45:244
29424991815,2cyclictest0-21swapper/209:00:192
29424991814,3cyclictest0-21swapper/210:40:222
29414991813,4cyclictest0-21swapper/008:30:210
2945799170,2cyclictest0-21swapper/710:26:187
2945799170,2cyclictest0-21swapper/710:26:187
29440991712,2cyclictest0-21swapper/411:50:264
29440991712,2cyclictest0-21swapper/409:05:474
2944099170,2cyclictest0-21swapper/411:34:334
29424991715,2cyclictest0-21swapper/212:35:182
29424991714,2cyclictest0-21swapper/211:25:222
29419991713,3cyclictest0-21swapper/107:49:591
29414991710,7cyclictest3-21ksoftirqd/008:15:190
29450991614,1cyclictest0-21swapper/608:05:186
29440991613,2cyclictest0-21swapper/412:19:044
2944099161,14cyclictest0-21swapper/412:00:484
2944099160,1cyclictest0-21swapper/407:45:474
29424991612,1cyclictest0-21swapper/210:45:282
29414991614,1cyclictest0-21swapper/007:30:000
29440991513,1cyclictest0-21swapper/409:29:594
29440991513,1cyclictest0-21swapper/408:50:174
29440991511,3cyclictest0-21swapper/410:30:204
2944099150,12cyclictest0-21swapper/412:33:344
29424991511,1cyclictest0-21swapper/207:35:282
2941999151,8cyclictest0-21swapper/110:55:261
29419991513,1cyclictest13191-21perf08:40:001
29414991511,1cyclictest0-21swapper/010:55:220
29445991410,3cyclictest0-21swapper/512:06:335
29440991412,1cyclictest0-21swapper/407:25:214
29440991411,2cyclictest0-21swapper/410:54:034
2941999141,6cyclictest0-21swapper/111:10:221
29419991412,1cyclictest24310-21perf08:00:001
2941499147,6cyclictest0-21swapper/012:20:010
2945799130,1cyclictest0-21swapper/708:16:177
29445991310,2cyclictest0-21swapper/512:18:035
2944599130,1cyclictest0-21swapper/509:33:175
2944599130,12cyclictest0-21swapper/511:05:305
29440991310,2cyclictest0-21swapper/412:37:194
29431991312,1cyclictest2461-21snmpd07:12:163
29431991312,0cyclictest2461-21snmpd09:14:173
29424991312,0cyclictest2461-21snmpd09:12:182
29424991311,1cyclictest2461-21snmpd07:55:472
2941999130,1cyclictest0-21swapper/111:40:301
2941499131,9cyclictest0-21swapper/008:05:000
29414991311,1cyclictest2461-21snmpd07:59:480
2941499130,12cyclictest0-21swapper/011:10:230
2945099129,2cyclictest0-21swapper/610:44:296
2944099120,1cyclictest0-21swapper/411:43:364
2944099120,1cyclictest0-21swapper/409:34:474
29424991211,0cyclictest2461-21snmpd11:24:192
2941499127,2cyclictest0-21swapper/010:40:000
2941499121,8cyclictest0-21swapper/007:48:250
29414991212,0cyclictest2461-21snmpd12:25:330
29414991212,0cyclictest2461-21snmpd09:29:320
29414991212,0cyclictest2461-21snmpd07:17:170
2941499120,9cyclictest0-21swapper/008:51:280
29457991110,1cyclictest0-21swapper/712:05:137
29457991110,1cyclictest0-21swapper/707:12:167
29431991111,0cyclictest37-21ksoftirqd/312:05:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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