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2022-12-02 - 08:56

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #7

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 Pentium G4400 @3300 MHz, Linux 4.19.37-rt19 (Profile)

Latency plot of shadow in rack #8, slot #7
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 376 highest latencies:
System rack8slot7s.osadl.org (updated Fri Dec 02, 2022 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1507099210,14cyclictest28473-21apt-get19:45:150
15071991919,0cyclictest0-21swapper/123:28:531
1507099180,14cyclictest27003-21diskmemload23:17:360
1507199170,5cyclictest0-21swapper/119:50:121
1507099173,6cyclictest20897-21apt-get23:50:120
1507099171,0cyclictest27003-21diskmemload21:37:410
1507099170,2cyclictest27003-21diskmemload21:42:270
1507199160,7cyclictest0-21swapper/123:40:131
1507099162,9cyclictest13582-21apt-get23:30:120
1507099162,6cyclictest728-21apt-get22:55:120
1507099160,9cyclictest25336-21apt-get21:05:120
313182150,1sleep10-21swapper/100:16:071
1507199150,5cyclictest0-21swapper/122:25:131
1507099155,7cyclictest27688-21apt-get22:40:130
1507099154,9cyclictest20381-21apt-get22:20:140
1507099154,5cyclictest16199-21apt-get20:40:110
1507099151,8cyclictest21683-21apt-get20:55:110
15070991513,0cyclictest27003-21diskmemload00:13:160
1507099151,10cyclictest22205-21apt-get22:25:130
1507199142,5cyclictest0-21swapper/121:45:131
1507199142,4cyclictest0-21swapper/122:45:181
1507199142,4cyclictest0-21swapper/120:10:121
1507199141,3cyclictest0-21swapper/100:25:111
1507199140,7cyclictest0-21swapper/119:32:161
1507199140,3cyclictest0-21swapper/100:00:091
1507099146,5cyclictest4967-21apt-get00:35:150
1507099144,5cyclictest30297-21apt-get19:50:110
1507099143,6cyclictest24819-21apt-get19:35:110
1507099143,5cyclictest25858-21apt-get22:35:110
1507099141,6cyclictest27166-21apt-get21:10:120
1507099140,2cyclictest27003-21diskmemload00:15:010
1507199134,1cyclictest0-21swapper/123:05:131
1507199132,3cyclictest0-21swapper/121:15:111
15071991313,0cyclictest0-21swapper/100:12:391
1507199130,5cyclictest0-21swapper/121:10:111
1507099135,5cyclictest3135-21apt-get00:30:130
1507099132,6cyclictest1267-21apt-get00:25:120
1507099131,4cyclictest4440-21apt-get23:05:130
15070991313,0cyclictest27003-21diskmemload21:31:460
1507099130,4cyclictest10713-21apt-get20:25:120
75732120,0sleep10-21swapper/123:11:171
1507199128,3cyclictest0-21swapper/122:00:171
1507199125,3cyclictest0-21swapper/121:42:451
1507199125,1cyclictest0-21swapper/120:50:201
1507199123,5cyclictest0-21swapper/121:20:121
1507199123,1cyclictest0-21swapper/123:45:111
1507199121,6cyclictest0-21swapper/119:40:121
1507199121,5cyclictest0-21swapper/122:55:161
1507199121,4cyclictest0-21swapper/120:45:131
1507199121,3cyclictest0-21swapper/120:30:151
1507199120,6cyclictest0-21swapper/119:35:111
1507199120,3cyclictest0-21swapper/119:55:131
1507099127,4cyclictest27003-21diskmemload21:59:280
1507099125,3cyclictest32766-21ls19:55:180
1507099124,7cyclictest22726-21apt-get23:55:130
1507099122,6cyclictest31864-21apt-get00:20:120
1507099122,6cyclictest28991-21apt-get21:15:110
1507099122,6cyclictest26220-21perf00:05:000
1507099121,6cyclictest13060-21apt-get22:00:140
1507099121,5cyclictest22994-21apt-get19:30:140
1507099121,3cyclictest9405-21apt-get21:50:110
1507099120,11cyclictest21752-21meminfo19:25:180
1507099120,11cyclictest20441-21meminfo20:50:170
1507099120,11cyclictest15481-21meminfo22:05:180
126672120,1sleep10-21swapper/121:57:421
319252110,1sleep10-21swapper/122:50:161
1507199115,1cyclictest0-21swapper/123:30:121
1507199111,5cyclictest0-21swapper/123:20:121
1507199111,5cyclictest0-21swapper/120:20:121
1507199111,5cyclictest0-21swapper/120:18:281
1507199111,4cyclictest0-21swapper/122:40:131
1507199111,4cyclictest0-21swapper/121:32:461
1507199111,1cyclictest0-21swapper/123:00:271
1507199110,4cyclictest0-21swapper/122:30:121
1507099117,3cyclictest1515-21thermald23:35:330
1507099113,5cyclictest9928-21apt-get23:20:130
1507099113,5cyclictest5231-21apt-get20:10:130
1507099112,7cyclictest26378-21apt-get00:05:140
1507099112,6cyclictest11752-21apt-get23:25:120
1507099112,4cyclictest29515-21apt-get22:45:130
1507099112,4cyclictest16720-21apt-get22:10:120
1507099111,5cyclictest2617-21apt-get23:00:170
1507099110,8cyclictest20884-21runrttasks19:23:530
1507099110,8cyclictest18029-21apt-get20:45:130
1507099110,6cyclictest8886-21apt-get20:20:110
1507099110,11cyclictest2163-21meminfo20:00:190
147022111,2sleep10-21swapper/119:08:061
163602100,0sleep10-21swapper/122:08:041
1507199103,4cyclictest0-21swapper/121:05:131
1507199103,2cyclictest0-21swapper/122:15:211
1507199103,1cyclictest0-21swapper/119:25:131
1507199102,3cyclictest0-21swapper/121:35:211
1507199102,2cyclictest0-21swapper/123:35:121
1507199102,0cyclictest0-21swapper/119:15:121
1507199101,4cyclictest0-21swapper/122:35:111
1507199101,3cyclictest0-21swapper/122:20:141
1507199101,2cyclictest0-21swapper/119:45:141
1507199100,6cyclictest0-21swapper/123:50:111
1507199100,5cyclictest0-21swapper/119:10:121
1507199100,4cyclictest0-21swapper/123:15:131
1507199100,4cyclictest0-21swapper/120:40:121
1507199100,3cyclictest0-21swapper/120:55:111
1507199100,3cyclictest0-21swapper/120:05:121
1507199100,2cyclictest0-21swapper/100:05:191
1507099105,3cyclictest17242-21apt-get23:40:130
1507099105,2cyclictest20642-21taskset23:49:120
1507099102,5cyclictest7580-21apt-get21:45:130
1507099101,5cyclictest6273-21apt-get23:10:130
1507099101,5cyclictest30822-21apt-get21:20:120
1507099101,5cyclictest24033-21apt-get22:30:120
1507099101,5cyclictest17507-21apt-get19:15:120
1507099101,2cyclictest3397-21apt-get20:05:110
1507099100,9cyclictest31342-21apt-get22:50:110
1507099100,7cyclictest7058-21apt-get20:15:120
1507099100,6cyclictest18546-21apt-get22:15:120
1507099100,4cyclictest15091-21apt-get19:10:120
132212102,5sleep00-21swapper/019:05:080
150719992,2cyclictest0-21swapper/121:00:151
150719992,2cyclictest0-21swapper/100:30:131
150719991,4cyclictest0-21swapper/122:10:111
150719991,4cyclictest0-21swapper/121:50:101
150719991,3cyclictest0-21swapper/120:25:121
150719991,2cyclictest0-21swapper/119:21:331
150719990,5cyclictest0-21swapper/123:55:131
150719990,5cyclictest0-21swapper/100:20:121
150719990,4cyclictest0-21swapper/120:00:151
150719990,3cyclictest0-21swapper/100:35:161
150719990,2cyclictest0-21swapper/121:25:141
150709993,5cyclictest32653-21apt-get21:25:140
150709993,4cyclictest12545-21apt-get20:30:150
150709991,5cyclictest26644-21apt-get19:40:110
150709981,6cyclictest23513-21apt-get21:00:150
150709981,3cyclictest14367-21apt-get20:35:110
150719970,4cyclictest0-21swapper/120:35:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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