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2023-01-30 - 19:45

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 Mon Jan 30, 2023 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2062625737,17sleep70-21swapper/707:07:157
2060225433,18sleep10-21swapper/107:06:521
2081424736,7sleep50-21swapper/507:09:525
2058024028,8sleep60-21swapper/607:06:346
1856123928,8sleep40-21swapper/407:05:034
1856823615,18sleep20-21swapper/207:05:102
2069623414,17sleep00-21swapper/007:08:120
2056823313,17sleep30-21swapper/307:06:233
21071992217,4cyclictest0-21swapper/612:05:456
21071992217,4cyclictest0-21swapper/611:04:306
21071992217,4cyclictest0-21swapper/610:30:166
21071992217,2cyclictest0-21swapper/611:55:456
21071992217,2cyclictest0-21swapper/611:53:316
21071992217,2cyclictest0-21swapper/611:20:456
21071992216,3cyclictest0-21swapper/612:37:316
21071992216,3cyclictest0-21swapper/612:25:006
21071992216,3cyclictest0-21swapper/610:49:006
21071992216,3cyclictest0-21swapper/609:41:466
21071992216,3cyclictest0-21swapper/609:41:466
21071992117,2cyclictest0-21swapper/608:30:466
21071992116,4cyclictest0-21swapper/610:05:466
21071992116,4cyclictest0-21swapper/609:37:456
21071992116,4cyclictest0-21swapper/609:37:456
21071992116,4cyclictest0-21swapper/609:18:306
21071992116,4cyclictest0-21swapper/607:49:006
21071992116,2cyclictest0-21swapper/610:05:016
21071992115,4cyclictest0-21swapper/612:15:156
21071992115,4cyclictest0-21swapper/610:26:466
21071992115,3cyclictest0-21swapper/612:23:166
21071992115,3cyclictest0-21swapper/609:59:316
21036992114,6cyclictest0-21swapper/011:40:270
21071992017,2cyclictest0-21swapper/611:38:016
21071992017,2cyclictest0-21swapper/609:52:166
21071992016,3cyclictest0-21swapper/609:30:166
21071992015,4cyclictest0-21swapper/607:59:166
21071992015,2cyclictest0-21swapper/609:28:466
21071992014,4cyclictest0-21swapper/611:08:016
21049992015,1cyclictest0-21swapper/211:55:172
21071991916,2cyclictest0-21swapper/609:45:316
21071991916,2cyclictest0-21swapper/609:45:316
21071991916,2cyclictest0-21swapper/607:25:016
21071991915,3cyclictest0-21swapper/609:24:016
21071991915,1cyclictest0-21swapper/610:21:466
21071991914,4cyclictest0-21swapper/612:30:156
21071991914,4cyclictest0-21swapper/612:00:466
21071991914,4cyclictest0-21swapper/611:26:016
21071991914,4cyclictest0-21swapper/610:52:016
21071991914,4cyclictest0-21swapper/610:40:466
21071991914,4cyclictest0-21swapper/610:10:166
21071991914,2cyclictest0-21swapper/609:13:316
21071991914,2cyclictest0-21swapper/608:35:166
2107899180,3cyclictest0-21swapper/707:28:317
21071991814,1cyclictest0-21swapper/607:10:166
21071991813,4cyclictest0-21swapper/610:18:316
21071991813,4cyclictest0-21swapper/608:17:016
21071991813,4cyclictest0-21swapper/607:25:466
21071991813,4cyclictest0-21swapper/607:19:316
21071991813,2cyclictest0-21swapper/611:10:456
21071991813,2cyclictest0-21swapper/607:42:316
21061991815,2cyclictest0-21swapper/409:25:194
2107899170,16cyclictest0-21swapper/709:05:237
21071991714,2cyclictest0-21swapper/611:33:006
21071991714,2cyclictest0-21swapper/610:39:166
21071991714,2cyclictest0-21swapper/608:12:316
21071991712,4cyclictest0-21swapper/610:57:306
21071991712,2cyclictest0-21swapper/608:55:016
21061991713,1cyclictest0-21swapper/411:30:004
21061991712,4cyclictest0-21swapper/410:46:014
21036991715,1cyclictest0-21swapper/009:30:180
21071991614,1cyclictest12650irq/19-ata_piix07:40:016
21071991613,2cyclictest0-21swapper/612:13:006
21071991613,2cyclictest0-21swapper/611:46:466
21071991613,2cyclictest0-21swapper/611:18:456
21071991612,3cyclictest0-21swapper/609:03:316
21071991611,4cyclictest0-21swapper/608:22:016
2106199160,13cyclictest0-21swapper/408:24:454
2106199160,13cyclictest0-21swapper/407:49:454
21049991614,1cyclictest0-21swapper/212:35:192
21049991614,1cyclictest0-21swapper/210:00:012
21049991612,1cyclictest0-21swapper/211:25:162
21078991512,2cyclictest0-21swapper/710:10:317
21078991512,2cyclictest0-21swapper/708:34:167
2107899150,2cyclictest0-21swapper/710:16:007
21071991511,3cyclictest0-21swapper/608:46:016
21071991510,2cyclictest0-21swapper/609:08:316
21036991513,1cyclictest0-21swapper/012:05:200
21036991513,1cyclictest0-21swapper/009:40:240
21036991513,1cyclictest0-21swapper/009:40:230
2107199149,2cyclictest0-21swapper/607:30:456
21061991412,1cyclictest0-21swapper/412:00:004
2106199140,13cyclictest0-21swapper/412:17:464
2103699142,9cyclictest0-21swapper/011:30:060
21036991412,2cyclictest15888-21munin-plugin-st08:00:000
21078991310,2cyclictest0-21swapper/710:05:167
2107199139,3cyclictest0-21swapper/608:07:006
21071991311,1cyclictest0-21swapper/611:43:166
21066991310,2cyclictest0-21swapper/510:04:465
21061991310,2cyclictest0-21swapper/408:07:154
2106199130,2cyclictest0-21swapper/412:33:314
2106199130,10cyclictest0-21swapper/412:22:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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