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2022-08-13 - 02:50

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 highest latencies:
System rack8slot7s.osadl.org (updated Sat Aug 13, 2022 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
937992121,0cyclictest0-21swapper/121:10:571
936992121,0cyclictest0-21swapper/000:22:420
93799200,2cyclictest0-21swapper/122:15:211
936991917,1cyclictest12133-21perf00:05:000
936991816,1cyclictest9948-21apt-get22:30:160
93799170,7cyclictest0-21swapper/120:15:121
93699174,8cyclictest7594-21apt-get20:55:120
93699172,6cyclictest29529-21apt-get21:55:150
936991715,1cyclictest7078-21apt-get19:25:140
936991715,1cyclictest6292-21apt-get22:20:130
936991715,1cyclictest28221-21apt-get23:20:140
936991715,1cyclictest12559-21apt-get19:40:130
93699170,9cyclictest3151-21apt-get23:40:120
93799163,6cyclictest0-21swapper/123:40:131
93799161,5cyclictest0-21swapper/119:40:141
93799160,15cyclictest0-21swapper/119:20:221
93799160,0cyclictest0-21swapper/119:38:111
93699164,7cyclictest19874-21apt-get20:00:180
93699163,8cyclictest101ktimersoftd/020:30:190
936991616,0cyclictest12914-21diskmemload22:44:320
93699161,14cyclictest12914-21diskmemload23:02:150
936991610,5cyclictest101ktimersoftd/023:10:140
93699160,15cyclictest23329-21meminfo23:05:200
93699160,0cyclictest12914-21diskmemload21:49:240
93799152,5cyclictest0-21swapper/123:50:111
937991515,0cyclictest0-21swapper/122:55:401
93799150,7cyclictest0-21swapper/122:35:131
93799150,5cyclictest0-21swapper/121:55:151
93799150,2cyclictest0-21swapper/119:30:181
93699154,4cyclictest24042-21apt-get21:40:120
93699154,4cyclictest14385-21apt-get19:45:120
93699153,7cyclictest18561-21apt-get21:25:120
93699152,8cyclictest101ktimersoftd/023:50:120
93699152,7cyclictest21699-21apt-get20:05:160
93699152,6cyclictest2106-21apt-get20:40:130
93699152,11cyclictest12914-21diskmemload00:17:300
936991515,0cyclictest0-21swapper/023:47:170
936991513,1cyclictest9788-21munin-run22:30:000
936991512,2cyclictest1515-21thermald23:16:550
936991512,2cyclictest101ktimersoftd/021:20:120
263782150,0sleep10-21swapper/123:15:081
93799143,5cyclictest0-21swapper/122:30:161
93799143,5cyclictest0-21swapper/121:40:121
93799142,4cyclictest0-21swapper/100:00:181
93799140,6cyclictest0-21swapper/123:45:141
93799140,5cyclictest0-21swapper/121:50:201
93699149,3cyclictest101ktimersoftd/022:05:250
93699143,4cyclictest21437-21apt-get00:30:150
93699142,5cyclictest1287-21apt-get23:35:130
93699142,5cyclictest11251-21apt-get21:05:130
93699142,10cyclictest5042-21meminfo22:15:160
93699141,5cyclictest5255-21apt-get19:20:150
93699141,5cyclictest3423-21apt-get19:15:180
936991413,0cyclictest19082-21apt-get22:55:130
93699140,6cyclictest960-21apt-get19:10:120
5532142,2sleep00-21swapper/019:08:120
93799133,6cyclictest0-21swapper/121:25:111
93799133,2cyclictest0-21swapper/123:15:011
93799132,3cyclictest0-21swapper/122:40:141
93799131,6cyclictest0-21swapper/100:05:191
93799130,7cyclictest0-21swapper/120:10:121
93799130,6cyclictest0-21swapper/120:45:131
93799130,5cyclictest0-21swapper/123:20:141
93799130,5cyclictest0-21swapper/123:00:211
93799130,4cyclictest0-21swapper/123:05:161
93799130,1cyclictest0-21swapper/120:20:131
93699136,5cyclictest22219-21apt-get21:35:130
93699134,8cyclictest9428-21apt-get21:00:170
93699132,10cyclictest15350irq/140-nvme0q123:30:010
93699131,6cyclictest32662-21apt-get20:35:140
936991312,1cyclictest25348-21apt-get20:15:110
936991312,0cyclictest31359-21apt-get22:00:180
936991311,1cyclictest15428-21apt-get22:45:130
93699131,10cyclictest25189-21latency_hist20:15:010
93799123,3cyclictest0-21swapper/119:10:191
93799123,3cyclictest0-21swapper/100:15:151
93799123,2cyclictest0-21swapper/123:35:131
93799123,2cyclictest0-21swapper/122:50:121
93799120,6cyclictest0-21swapper/121:20:121
93699127,2cyclictest14907-21apt-get21:15:130
93699125,2cyclictest29007-21apt-get20:25:130
93699123,4cyclictest8911-21apt-get19:30:170
93699123,3cyclictest27710-21apt-get21:50:200
93699122,4cyclictest2630-21apt-get22:10:150
93699121,7cyclictest3936-21apt-get20:45:130
936991210,1cyclictest23260-21apt-get00:35:140
936991210,1cyclictest16216-21apt-get19:50:140
936991210,1cyclictest11775-21apt-get22:35:130
936991210,1cyclictest10736-21apt-get19:35:140
93699120,8cyclictest5769-21apt-get20:50:120
93699120,5cyclictest31878-21apt-get23:30:160
93799119,1cyclictest0-21swapper/122:10:171
93799114,2cyclictest0-21swapper/100:32:181
93799112,7cyclictest0-21swapper/122:05:171
93799112,4cyclictest0-21swapper/122:45:221
93799112,1cyclictest0-21swapper/119:25:201
93799111,4cyclictest0-21swapper/120:25:211
93799111,4cyclictest0-21swapper/100:25:121
93799111,3cyclictest0-21swapper/119:50:141
93799111,3cyclictest0-21swapper/100:10:151
93799110,5cyclictest0-21swapper/121:05:131
93799110,4cyclictest0-21swapper/123:58:171
93799110,0cyclictest0-21swapper/121:17:201
93699118,1cyclictest101ktimersoftd/000:05:190
936991110,0cyclictest27178-21apt-get20:20:130
93699110,10cyclictest13669-21meminfo21:10:170
5322111,2sleep10-21swapper/119:08:031
110552110,1sleep10-21swapper/121:04:521
93799105,2cyclictest0-21swapper/119:45:181
93799103,5cyclictest0-21swapper/120:55:121
93799102,3cyclictest0-21swapper/122:00:201
93799102,3cyclictest0-21swapper/120:50:131
93799102,1cyclictest0-21swapper/120:05:161
93799101,5cyclictest0-21swapper/122:24:591
93799101,4cyclictest0-21swapper/120:40:131
93799101,4cyclictest0-21swapper/120:00:251
93799101,1cyclictest0-21swapper/119:55:141
937991010,0cyclictest0-21swapper/100:35:051
93799100,5cyclictest0-21swapper/122:25:121
93799100,5cyclictest0-21swapper/120:30:211
93799100,3cyclictest0-21swapper/121:35:001
93799100,1cyclictest0-21swapper/100:20:131
93699106,3cyclictest101ktimersoftd/023:55:110
93699106,2cyclictest14126-21apt-get00:10:160
93699105,3cyclictest111rcuc/021:30:240
93699101,4cyclictest17256-21apt-get22:50:120
93699100,6cyclictest18042-21apt-get19:55:130
318692100,0sleep10-21swapper/123:30:131
271182100,0sleep10-21swapper/121:45:431
9379991,1cyclictest0-21swapper/123:25:171
9379990,3cyclictest0-21swapper/121:35:131
9379990,3cyclictest0-21swapper/119:15:171
9369994,4cyclictest19603-21apt-get00:25:120
9379980,2cyclictest0-21swapper/120:35:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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