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2022-08-14 - 21:00

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 Sun Aug 14, 2022 12:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305022510,0sleep030505-21ntp_offset11:00:280
1082499222,6cyclictest5388-21apt-get09:50:150
1082499220,8cyclictest29932-21apt-get08:00:140
1082499212,7cyclictest13839-21apt-get11:45:120
1082499211,6cyclictest1717-21apt-get09:40:160
1082499210,9cyclictest14532-21apt-get10:15:180
1082499205,2cyclictest24280-21apt-get07:45:150
1082499204,3cyclictest12705-21apt-get10:10:180
1082499202,7cyclictest32287-21apt-get09:35:160
1082499202,7cyclictest28635-21apt-get09:25:190
1082499201,3cyclictest12015-21apt-get11:40:160
1082499200,6cyclictest30294-21apt-get12:30:180
1082499200,19cyclictest22969-21diskmemload10:36:470
1082499192,8cyclictest23666-21apt-get10:40:150
1082499192,6cyclictest14015-21apt-get08:45:190
10824991914,4cyclictest32714-21memory12:35:240
1082499191,3cyclictest22985-21apt-get12:10:200
1082499190,5cyclictest26102-21apt-get07:50:120
1082499185,3cyclictest18177-21seq10:25:110
1082499183,7cyclictest19326-21apt-get12:00:170
1082499182,8cyclictest23145-21apt-get09:10:150
1082499182,5cyclictest17495-21apt-get11:55:130
1082499181,7cyclictest20021-21apt-get10:30:200
1082499181,2cyclictest20625-21apt-get07:35:150
1082499180,17cyclictest18251-21meminfo08:55:210
1082599177,5cyclictest11010-21kworker/1:210:10:091
1082499179,1cyclictest27402-21memory09:20:250
1082499174,6cyclictest6531-21apt-get11:25:170
1082499172,7cyclictest2867-21apt-get11:15:170
1082499172,6cyclictest22451-21apt-get07:40:140
10824991717,0cyclictest22969-21diskmemload12:08:540
1082499171,6cyclictest10879-21apt-get10:05:210
1082599165,4cyclictest0-21swapper/107:55:151
10825991615,1cyclictest0-21swapper/109:40:171
1082599160,6cyclictest0-21swapper/111:30:211
1082499164,7cyclictest27938-21apt-get10:55:140
1082499163,12cyclictest19490-21apt-get09:00:150
1082499162,9cyclictest18760-21apt-get07:30:140
1082499161,9cyclictest21318-21apt-get09:05:160
1082499161,5cyclictest6690-21apt-get08:25:140
1082499161,10cyclictest3557-21apt-get09:45:190
1082499160,8cyclictest15668-21apt-get11:50:130
1082499160,11cyclictest25400-21meminfo12:15:240
1082599157,6cyclictest0-21swapper/111:15:251
1082599153,6cyclictest0-21swapper/109:55:181
10825991514,1cyclictest0-21swapper/109:35:221
10825991513,1cyclictest9023-21taskset08:30:241
10825991513,1cyclictest0-21swapper/112:00:231
10825991513,1cyclictest0-21swapper/108:05:181
10825991510,3cyclictest0-21swapper/110:26:011
10825991510,2cyclictest0-21swapper/112:25:221
1082599150,0cyclictest241ktimersoftd/107:50:181
1082499154,4cyclictest9102-21ls08:30:250
1082499151,4cyclictest31600-21apt-get11:05:170
1082499151,4cyclictest1003-21apt-get11:10:180
1082599149,2cyclictest0-21swapper/110:30:291
1082599149,2cyclictest0-21swapper/107:45:001
1082599148,3cyclictest5037-21chrt09:48:191
1082599147,2cyclictest0-21swapper/111:50:151
1082599146,4cyclictest0-21swapper/110:35:221
1082599146,3cyclictest0-21swapper/111:00:311
1082599144,8cyclictest0-21swapper/109:50:211
1082599144,4cyclictest0-21swapper/110:00:211
1082599143,7cyclictest0-21swapper/108:25:151
10825991414,0cyclictest0-21swapper/111:10:391
10825991413,1cyclictest0-21swapper/109:35:001
10825991412,1cyclictest28286-21chrt09:23:181
10825991411,2cyclictest24537-21chrt09:12:171
10825991410,3cyclictest0-21swapper/112:35:271
1082499143,5cyclictest13265-21apt-get07:15:140
1082499142,8cyclictest31764-21apt-get08:05:180
1082499142,8cyclictest24978-21apt-get09:15:180
10824991414,0cyclictest22969-21diskmemload10:51:100
10824991413,0cyclictest29326-31update-apt-xapi07:56:390
1082499140,7cyclictest5441-21ls08:20:180
1082599139,3cyclictest0-21swapper/109:05:001
1082599138,2cyclictest0-21swapper/107:15:021
1082599137,4cyclictest0-21swapper/107:20:161
1082599137,3cyclictest20193-21chrt07:32:461
1082599136,5cyclictest0-21swapper/111:41:091
1082599135,5cyclictest0-21swapper/111:55:131
1082599133,6cyclictest0-21swapper/108:10:151
1082599133,3cyclictest0-21swapper/112:10:171
1082599131,6cyclictest0-21swapper/111:30:001
10825991312,1cyclictest0-21swapper/112:05:201
10825991312,1cyclictest0-21swapper/111:20:251
10825991312,1cyclictest0-21swapper/110:40:141
10825991312,0cyclictest0-21swapper/108:50:121
10825991311,1cyclictest16034-21chrt10:18:301
1082599130,5cyclictest0-21swapper/112:30:241
1082599130,4cyclictest0-21swapper/111:05:171
1082599130,4cyclictest0-21swapper/108:55:171
1082499132,6cyclictest4696-21apt-get11:20:150
1082499132,6cyclictest10357-21apt-get08:35:220
1082499132,5cyclictest30465-21apt-get09:30:190
1082499131,5cyclictest15833-21apt-get08:50:130
105692132,2sleep00-21swapper/007:09:180
1082599129,3cyclictest0-21swapper/107:50:001
1082599129,2cyclictest0-21swapper/110:55:141
1082599129,2cyclictest0-21swapper/109:26:051
1082599128,3cyclictest0-21swapper/112:15:181
1082599128,3cyclictest0-21swapper/108:40:191
1082599127,4cyclictest0-21swapper/107:25:151
1082599127,2cyclictest0-21swapper/111:50:001
1082599124,4cyclictest0-21swapper/108:00:141
1082599122,2cyclictest0-21swapper/107:35:151
1082599121,6cyclictest0-21swapper/108:15:141
10825991211,1cyclictest0-21swapper/112:20:201
10825991211,1cyclictest0-21swapper/109:05:231
10825991210,1cyclictest0-21swapper/107:10:141
1082599120,3cyclictest0-21swapper/109:15:181
1082499129,1cyclictest25506-21apt-get10:45:230
1082499124,4cyclictest8361-21apt-get11:30:210
1082499122,7cyclictest7218-21apt-get09:55:180
1082499121,5cyclictest9046-21apt-get10:00:210
1082499120,7cyclictest3027-21apt-get08:15:140
163472110,1sleep10-21swapper/110:20:111
1082599114,5cyclictest0-21swapper/110:51:331
10825991111,0cyclictest0-21swapper/110:05:201
10825991111,0cyclictest0-21swapper/108:35:221
1082599110,6cyclictest0-21swapper/108:20:141
1082499113,5cyclictest26636-21apt-get12:20:140
1082499113,5cyclictest1159-21apt-get08:10:130
1082499113,3cyclictest28460-21apt-get12:25:140
1082499111,8cyclictest12176-21apt-get08:40:130
1082499111,7cyclictest10184-21apt-get11:35:190
1082499111,5cyclictest15102-21apt-get07:20:170
1082499110,5cyclictest16358-21apt-get10:20:150
1082599109,1cyclictest0-21swapper/110:45:231
1082599106,2cyclictest0-21swapper/111:35:201
1082599102,4cyclictest0-21swapper/108:45:211
1082499103,4cyclictest16927-21apt-get07:25:140
1082499103,3cyclictest10849-21apt-get07:10:130
102452101,2sleep10-21swapper/107:05:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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