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2023-03-20 - 17:17

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 alll highest latencies:
System rack8slot7s.osadl.org (updated Mon Mar 20, 2023 12:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2181899200,0cyclictest0-21swapper/111:25:231
2181799192,8cyclictest18715-21apt-get11:25:140
2181899180,15cyclictest0-21swapper/112:07:361
2181799185,10cyclictest23666-21munin-node09:50:360
2181799180,9cyclictest14541-21apt-get09:45:160
2181799180,6cyclictest1558-21diskmemload11:55:050
2181799180,11cyclictest7232-21apt-get09:25:140
2181799180,11cyclictest2788-21apt-get12:10:200
2181799171,15cyclictest1558-21diskmemload09:15:160
2181899161,14cyclictest0-21swapper/111:10:001
2181799165,9cyclictest10889-21apt-get09:35:160
2181799165,8cyclictest2263-21apt-get10:40:140
2181799163,8cyclictest12718-21apt-get09:40:170
2181899152,4cyclictest0-21swapper/110:25:141
2181799153,5cyclictest24200-21apt-get11:40:130
2181799151,6cyclictest20552-21apt-get11:30:210
21817991515,0cyclictest1558-21diskmemload10:27:280
2181799150,9cyclictest27339-21apt-get10:20:150
2181799150,6cyclictest9065-21apt-get09:30:180
2181799150,14cyclictest31058-21meminfo09:00:180
2181799150,14cyclictest24849-21meminfo07:15:210
2181799150,14cyclictest23745-21meminfo08:40:160
2181799150,14cyclictest1558-21diskmemload10:59:010
2181899143,4cyclictest0-21swapper/108:50:001
2181899143,4cyclictest0-21swapper/107:45:171
2181899143,3cyclictest0-21swapper/109:25:161
2181899141,8cyclictest0-21swapper/111:30:231
2181799145,7cyclictest31614-21apt-get07:35:130
2181799143,8cyclictest4099-21apt-get10:45:190
2181799143,6cyclictest6712-21apt-get07:55:160
2181799143,6cyclictest10102-21apt-get12:30:180
2181799143,5cyclictest1015-21apt-get07:40:130
2181799142,8cyclictest19220-21ls09:55:220
2181799142,7cyclictest10360-21apt-get08:05:120
2181799141,8cyclictest5930-21apt-get10:50:180
2181799141,7cyclictest27912-21apt-get07:25:130
2181799140,9cyclictest26812-21apt-get08:50:120
214242142,2sleep00-21swapper/007:07:500
174762140,1sleep10-21swapper/111:20:191
48482130,1sleep10-21swapper/109:16:021
2181899136,1cyclictest10894-21taskset11:01:291
2181899134,4cyclictest0-21swapper/110:55:171
2181899134,3cyclictest0-21swapper/112:35:191
2181899134,2cyclictest0-21swapper/109:45:161
2181899133,4cyclictest0-21swapper/108:50:201
2181899132,5cyclictest0-21swapper/109:20:141
2181899131,5cyclictest0-21swapper/110:20:151
2181899130,7cyclictest0-21swapper/110:48:481
2181899130,7cyclictest0-21swapper/108:35:191
2181899130,6cyclictest0-21swapper/112:20:181
2181899130,6cyclictest0-21swapper/109:00:121
2181899130,5cyclictest0-21swapper/107:10:121
2181899130,3cyclictest0-21swapper/112:30:061
2181799136,3cyclictest19497-21apt-get08:30:130
2181799135,6cyclictest29747-21apt-get07:30:130
2181799135,3cyclictest27861-21apt-get11:50:180
2181799134,7cyclictest9587-21apt-get11:00:210
2181799134,3cyclictest22371-21apt-get11:35:140
2181799133,7cyclictest23680-21apt-get10:10:130
2181799133,7cyclictest21326-21apt-get08:35:130
2181799133,3cyclictest919-21apt-get12:05:190
2181799132,5cyclictest15059-21apt-get11:15:150
2181799132,5cyclictest13240-21apt-get11:10:200
2181799132,10cyclictest4589-21cat07:50:010
2181799131,6cyclictest4710-21apt-get07:50:120
2181799131,5cyclictest31513-21apt-get12:00:160
2181799130,7cyclictest11932-21apt-get12:35:190
42752120,1sleep10-21swapper/112:13:241
2181899123,8cyclictest0-21swapper/111:55:141
2181899123,4cyclictest0-21swapper/107:54:201
2181899122,5cyclictest0-21swapper/108:55:121
2181899122,4cyclictest0-21swapper/109:05:241
2181899122,3cyclictest0-21swapper/112:25:201
2181899121,7cyclictest0-21swapper/108:40:121
21818991212,0cyclictest0-21swapper/112:00:041
2181899120,4cyclictest0-21swapper/109:55:121
2181899120,3cyclictest0-21swapper/108:15:141
2181899120,3cyclictest0-21swapper/107:20:141
2181799125,6cyclictest14015-21apt-get08:15:140
2181799125,5cyclictest21839-21apt-get07:10:120
2181799122,8cyclictest11408-21apt-get11:05:150
2181799122,7cyclictest8546-21apt-get08:00:220
2181799122,7cyclictest6314-21/usr/sbin/munin09:20:220
2181799122,6cyclictest28640-21apt-get08:55:130
2181799122,6cyclictest1730-21apt-get09:10:130
2181799121,6cyclictest4610-21apt-get12:15:150
2181799121,6cyclictest12186-21apt-get08:10:120
2181799120,6cyclictest24994-21apt-get08:45:170
2181799120,6cyclictest17669-21/usr/sbin/munin08:25:210
2181799120,3cyclictest1558-21diskmemload12:21:150
204792121,4sleep10-21swapper/107:05:181
2181899116,2cyclictest0-21swapper/110:15:141
2181899114,1cyclictest0-21swapper/108:10:131
2181899113,2cyclictest0-21swapper/107:35:141
2181899113,2cyclictest0-21swapper/107:25:121
2181899112,5cyclictest0-21swapper/110:35:151
2181899112,1cyclictest0-21swapper/111:50:201
2181899112,1cyclictest0-21swapper/111:10:221
2181899111,6cyclictest0-21swapper/109:35:161
2181899111,4cyclictest0-21swapper/111:15:151
2181899111,4cyclictest0-21swapper/110:40:141
2181899111,3cyclictest0-21swapper/111:40:131
2181899111,2cyclictest0-21swapper/109:50:201
2181899111,2cyclictest0-21swapper/107:15:011
2181899111,1cyclictest0-21swapper/108:25:121
2181899110,7cyclictest0-21swapper/110:00:191
2181899110,6cyclictest0-21swapper/107:40:131
2181899110,5cyclictest0-21swapper/110:10:141
2181899110,5cyclictest0-21swapper/107:55:161
2181899110,4cyclictest0-21swapper/110:50:181
2181899110,4cyclictest0-21swapper/108:20:141
2181899110,3cyclictest0-21swapper/109:40:181
2181799113,5cyclictest356-21apt-get10:35:140
2181799112,7cyclictest15847-21apt-get08:20:150
2181799112,6cyclictest16887-21apt-get11:20:140
2181799111,6cyclictest32302-21apt-get09:05:180
2181799111,5cyclictest21855-21apt-get10:05:140
2181799111,4cyclictest20027-21apt-get10:00:190
2181799110,4cyclictest8277-21apt-get12:25:200
2181799110,4cyclictest30996-21apt-get10:30:160
2181799110,10cyclictest27189-21lsb_release10:19:590
2181899103,3cyclictest0-21swapper/110:30:161
2181899103,0cyclictest0-21swapper/107:30:131
2181899102,5cyclictest0-21swapper/110:05:151
2181899101,3cyclictest0-21swapper/108:30:131
2181899100,9cyclictest0-21swapper/109:30:081
2181899100,3cyclictest0-21swapper/111:45:201
2181799102,7cyclictest1569-21irqbalance07:22:100
218189991,2cyclictest0-21swapper/111:37:201
218189991,1cyclictest0-21swapper/109:10:051
218189990,6cyclictest0-21swapper/108:05:121
218189990,4cyclictest0-21swapper/112:15:131
218179991,5cyclictest26036-21apt-get11:45:190
218189980,4cyclictest0-21swapper/108:00:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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