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2021-09-19 - 18:14

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #5

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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Intel(R) Celeron(R) CPU G3900 @ 2.80GHz, Linux 5.4.59-rt36 (Profile)

Latency plot of shadow in rack #c, slot #5
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 rackcslot5s.osadl.org (updated Sun Sep 19, 2021 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15638210185,1sleep00-21swapper/007:05:240
1633426557,4sleep10-21swapper/107:06:581
1680299240,23cyclictest31896-21meminfo07:45:271
16802992323,0cyclictest0-21swapper/112:25:271
1680199230,3cyclictest24490-21/usr/sbin/munin08:50:230
1680199230,22cyclictest27108-21meminfo11:40:170
1680199221,6cyclictest23507-21apt-get10:10:220
1680199220,20cyclictest0-21swapper/010:50:150
1680299210,20cyclictest30062-21meminfo10:25:201
1680199211,12cyclictest16824-21apt-get07:10:120
1680299200,19cyclictest28115-21meminfo10:20:241
1680299190,18cyclictest12399-21meminfo09:40:171
1680199194,11cyclictest27438-21apt-get10:20:180
1680199191,15cyclictest10755-21apt-get08:15:170
1680199190,18cyclictest32037-21meminfo10:30:300
16802991817,1cyclictest0-21swapper/112:05:151
1680299180,17cyclictest17283-21meminfo11:15:181
1680199184,8cyclictest25511-21/usr/sbin/munin07:30:240
1680199181,11cyclictest15644-21apt-get09:50:160
1680199180,17cyclictest4526-21meminfo12:05:190
1680199180,17cyclictest19282-21meminfo08:35:220
1680199180,17cyclictest15367-21meminfo08:25:230
1680199180,13cyclictest19753-21ls11:20:220
1680199180,10cyclictest1215-21cut10:35:190
1680299177,8cyclictest18591-21apt-get11:20:141
1680299175,7cyclictest23137-21cron07:25:001
1680299170,16cyclictest6506-21meminfo09:25:171
1680299170,16cyclictest558-21meminfo09:10:161
1680199172,6cyclictest10209-21ls09:35:200
1680199171,6cyclictest4846-21apt-get10:45:140
1680199170,9cyclictest29389-21apt-get10:25:150
1680199170,16cyclictest21251-21meminfo08:40:180
1680199170,10cyclictest24998-21/usr/sbin/munin11:35:230
1680299167,3cyclictest9754-21apt-get09:35:161
1680299166,7cyclictest20407-21ntp_states10:00:221
1680299165,9cyclictest17395-21ls08:30:341
1680299163,11cyclictest898-1kworker/u5:111:50:201
16802991614,1cyclictest3635-21ls07:55:231
1680299160,15cyclictest16316-21meminfo09:50:201
1680199164,9cyclictest27285-21apt-get07:35:210
1680199162,8cyclictest24293-21cron11:35:020
1680199162,11cyclictest0-21swapper/008:45:200
16801991612,3cyclictest1945-21runrttasks12:00:240
1680199160,9cyclictest4678-21munin-run10:45:000
1680199160,8cyclictest0-21swapper/009:55:140
1680299155,6cyclictest15708-21/usr/sbin/munin11:10:251
1680299153,7cyclictest6044-21/usr/sbin/munin12:10:171
1680299152,4cyclictest0-21swapper/107:40:191
16802991515,0cyclictest29121-21meminfo09:00:351
16802991513,1cyclictest2522-31update-apt-xapi07:54:021
1680299151,13cyclictest0-21swapper/108:15:171
16802991510,4cyclictest6800-21apt-get10:50:131
1680299150,14cyclictest24004-21meminfo07:25:311
1680299150,13cyclictest27113-21meminfo08:55:161
1680299150,0cyclictest0-21swapper/110:08:001
1680199156,8cyclictest21219-21meminfo11:25:170
1680199152,8cyclictest13949-21ls08:20:270
1680199151,9cyclictest30379-21apt-get09:05:150
1680199150,9cyclictest8757-21apt-get10:55:140
1680199150,7cyclictest2904-21/usr/sbin/munin07:55:220
1680199150,14cyclictest4551-21meminfo09:20:180
1680199150,14cyclictest15322-21meminfo11:10:180
1680299144,7cyclictest0-21swapper/110:10:221
1680299143,8cyclictest0-21swapper/110:55:141
1680299143,6cyclictest24493-21apt-get08:50:161
1680299143,6cyclictest24295-21munin-run11:35:011
1680299143,2cyclictest13731-21/usr/sbin/munin08:20:261
1680299142,6cyclictest28395-21apt-get11:45:141
1680299141,8cyclictest1901-21apt-get12:00:191
1680299141,12cyclictest3878-21/usr/sbin/munin09:20:131
1680299140,13cyclictest25963-21meminfo07:30:281
1680299140,13cyclictest1556-21meminfo10:35:211
1680199149,3cyclictest26422-21seq08:55:000
1680199148,4cyclictest1075-21timerwakeupswit11:55:260
1680199146,7cyclictest1902-21apt-get09:15:160
1680199146,4cyclictest1945-21runrttasks11:17:510
1680199145,8cyclictest7806-21apt-get09:30:230
1680199145,4cyclictest29066-21/usr/sbin/munin11:45:190
1680199143,8cyclictest13595-21wc09:45:010
1680199143,6cyclictest19379-21apt-get07:15:150
1680199143,4cyclictest1325-21/usr/sbin/munin07:50:230
1680199142,9cyclictest6842-21apt-get08:05:170
1680199141,9cyclictest10738-21apt-get11:00:150
1680199141,7cyclictest5834-21apt-get09:25:120
1680199141,5cyclictest5813-21apt-get12:10:160
1680199140,7cyclictest0-21swapper/008:30:230
1680199140,5cyclictest0-21swapper/012:30:170
1680199140,13cyclictest9484-21meminfo08:10:290
1680299137,3cyclictest0-21swapper/109:45:181
1680299134,5cyclictest0-21swapper/110:30:291
1680299133,8cyclictest2885-21apt-get10:40:121
1680299133,6cyclictest0-21swapper/108:10:241
1680299133,4cyclictest9558-21runrttasks09:34:501
1680299132,5cyclictest32315-21apt-get11:55:161
1680299131,4cyclictest0-21swapper/110:45:141
1680299130,13cyclictest27965-21meminfo07:35:301
1680199136,6cyclictest28445-21apt-get09:00:290
1680199134,6cyclictest0-21swapper/007:20:280
1680199133,6cyclictest0-21swapper/012:25:160
1680199133,5cyclictest9748-21apt-get12:20:150
1680199133,4cyclictest0-21swapper/012:35:250
1680199133,4cyclictest0-21swapper/010:05:140
1680199132,9cyclictest0-21swapper/009:45:130
1680199132,5cyclictest0-21swapper/010:15:190
1680199132,10cyclictest14501-21munin-run11:10:000
1680199131,9cyclictest0-21swapper/007:40:260
1680199131,6cyclictest0-21swapper/007:25:360
1680199131,5cyclictest19580-21/usr/sbin/munin10:00:150
1680199130,8cyclictest921-21/usr/sbin/munin09:10:200
1680299127,3cyclictest26626-21ls10:15:291
1680299126,2cyclictest0-21swapper/108:00:511
1680299125,3cyclictest0-21swapper/109:15:111
1680299123,4cyclictest15671-21/usr/sbin/munin12:35:151
1680299123,3cyclictest7570-21ls08:05:241
1680299123,3cyclictest0-21swapper/107:10:121
1680299122,6cyclictest0-21swapper/112:15:161
1680299122,5cyclictest14343-21sshd12:30:231
1680299122,4cyclictest0-21swapper/111:28:321
1680299122,3cyclictest14686-21/usr/sbin/munin08:25:271
1680299122,3cyclictest0-21swapper/108:45:151
1680299121,9cyclictest14481-21/usr/sbin/munin11:10:001
1680299121,7cyclictest24472-21apt-get11:35:201
1680299121,6cyclictest20579-21apt-get08:40:141
1680299120,6cyclictest0-21swapper/112:20:141
1680199122,8cyclictest7771-21apt-get12:15:160
1680199122,8cyclictest0-21swapper/011:50:140
1680199120,8cyclictest4906-21apt-get08:00:290
1680299115,5cyclictest20162-21/usr/sbin/munin07:15:211
1680299115,2cyclictest0-21swapper/108:35:251
1680299113,3cyclictest10738-21apt-get11:00:151
1680299112,5cyclictest26437-21apt-get11:40:131
1680299112,5cyclictest0-21swapper/109:55:151
1680299112,4cyclictest30379-21apt-get09:05:151
1680199113,2cyclictest31463-21fschecks_count07:45:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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