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2022-08-14 - 20:01

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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x86 Intel Celeron G3900 @2800 MHz, 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 Aug 14, 2022 12:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2128328467,2sleep10-21swapper/107:08:131
2128727153,13sleep00-21swapper/007:08:150
205742320,0sleep10-21swapper/111:15:171
2163699240,23cyclictest6329-21meminfo07:50:160
2163799231,14cyclictest8886-21apt-get09:20:191
2163799221,9cyclictest21585-21apt-get08:30:181
2163799220,21cyclictest2405-21meminfo07:40:181
2163799220,1cyclictest0-21swapper/107:45:191
2163799210,20cyclictest16247-21meminfo12:25:171
2163799210,1cyclictest0-21swapper/108:50:111
2163699210,20cyclictest8468-21meminfo07:55:200
2163699210,20cyclictest24235-21meminfo08:35:300
2163699210,19cyclictest14696-21cat09:35:000
2163699202,5cyclictest27319-21munin-run08:45:000
2163699201,14cyclictest3755-21apt-get11:55:130
2163799192,16cyclictest2961-21/usr/sbin/munin09:05:171
2163799190,8cyclictest2071-21apt-get10:25:151
2163699190,18cyclictest16339-21meminfo08:15:180
2163699190,18cyclictest13197-21meminfo10:55:170
2163699190,18cyclictest10635-21meminfo10:45:290
2163799181,10cyclictest13613-21apt-get12:20:151
2163799180,16cyclictest19397-21kworker/1:108:25:401
2163699180,17cyclictest26881-21meminfo07:20:200
2163699180,17cyclictest24897-21meminfo07:15:190
2163699180,17cyclictest14377-21meminfo08:10:170
2163799171,15cyclictest4430-21meminfo11:55:171
2163799171,13cyclictest24222-21apt-get07:15:141
2163799170,16cyclictest20181-21meminfo12:35:221
2163699175,7cyclictest19508-21apt-get12:35:170
21636991715,1cyclictest2258-21grep09:00:250
2163799165,7cyclictest6901-21apt-get09:15:171
2163799161,9cyclictest16474-21apt-get11:05:171
21637991614,1cyclictest21-21ksoftirqd/110:50:011
21637991611,4cyclictest0-21swapper/111:20:261
2163799160,15cyclictest30813-21meminfo07:30:181
2163799160,11cyclictest28002-21munin-run07:25:011
2163699162,9cyclictest24637-21apt-get10:00:200
2163699160,15cyclictest6418-21meminfo12:00:210
2163699160,15cyclictest2460-21meminfo11:50:170
2163699160,15cyclictest16246-21meminfo12:25:180
74482150,1sleep10-21swapper/110:36:231
2163799159,3cyclictest1945-21runrttasks09:44:171
2163799154,10cyclictest12989-21users12:15:321
2163799153,4cyclictest0-21swapper/108:45:231
2163799153,3cyclictest12816-21apt-get09:30:191
2163799151,7cyclictest17544-21apt-get12:30:171
2163799151,6cyclictest7213-31update-apt-xapi07:51:531
2163799151,4cyclictest111rcu_preempt10:30:301
2163799150,15cyclictest26198-21meminfo08:40:181
2163799150,14cyclictest8654-21meminfo10:40:191
2163799150,14cyclictest23326-21meminfo09:55:241
2163799150,14cyclictest15447-21meminfo09:35:221
2163799150,10cyclictest0-21swapper/107:10:131
2163699153,6cyclictest11986-21forks08:05:190
2163699152,7cyclictest24359-21runrttasks11:25:170
2163699151,5cyclictest0-21swapper/009:20:190
2163699151,11cyclictest5298-21kworker/u4:112:06:260
2163699150,14cyclictest6687-21meminfo10:35:280
2163799149,5cyclictest15523-21idleruntime-cro08:15:011
2163799145,6cyclictest18720-21apt-get09:45:171
2163799144,8cyclictest11747-21apt-get08:05:181
2163799144,5cyclictest453-21in:imuxsock11:00:001
2163799144,5cyclictest28166-21/usr/sbin/munin07:25:201
2163799143,8cyclictest9774-21apt-get08:00:141
2163799143,5cyclictest32673-21idleruntime11:45:161
2163799142,5cyclictest0-21swapper/110:05:201
2163799142,10cyclictest32498-21apt-get10:20:131
2163799141,11cyclictest28280-21apt-get11:35:171
2163799140,8cyclictest0-21swapper/110:15:191
2163699143,9cyclictest18663-21/usr/sbin/munin11:10:180
2163699141,6cyclictest6901-21apt09:15:170
2163699141,5cyclictest319-21/usr/sbin/munin10:20:150
21636991412,1cyclictest10846-21/usr/sbin/munin09:25:300
2163699140,8cyclictest30520-21/usr/sbin/munin10:15:300
2163699140,13cyclictest21072-21meminfo11:15:210
2163699140,13cyclictest20286-21meminfo08:25:180
2163699140,13cyclictest10344-21meminfo12:10:230
2163799139,3cyclictest6005-21fschecks_count12:00:191
2163799135,7cyclictest23553-21apt-get08:35:201
2163799135,7cyclictest17650-21apt-get08:20:141
2163799135,5cyclictest4762-21diskmemload11:25:251
2163799133,7cyclictest0-21swapper/111:40:431
2163799133,5cyclictest1786-21apt-esm-hook11:50:121
2163799133,3cyclictest11933-21seq10:50:321
2163799132,4cyclictest15666-21apt-get08:15:131
2163799132,2cyclictest1945-21runrttasks07:58:031
2163799131,5cyclictest1945-21runrttasks07:36:501
2163799131,4cyclictest18436-21apt-get11:10:171
2163799130,5cyclictest32471-21sensors_temp08:55:241
2163799130,1cyclictest0-21swapper/109:25:181
2163699137,4cyclictest26656-21fschecks_time11:30:230
2163699137,4cyclictest26656-21fschecks_time11:30:230
2163699135,3cyclictest4044-21apt-get10:30:210
2163699134,3cyclictest30348-21munin-run10:14:590
2163699132,7cyclictest17774-21/usr/sbin/munin11:05:280
2163699132,6cyclictest0-21swapper/008:55:190
2163699132,5cyclictest14774-21apt-get09:35:160
2163699132,4cyclictest0-21swapper/010:40:140
2163699131,7cyclictest0-21swapper/007:40:170
2163699131,11cyclictest22440-21/usr/sbin/munin08:30:270
2163699130,2cyclictest0-21swapper/008:00:140
2163699130,12cyclictest28956-21meminfo11:35:220
2163799122,8cyclictest4932-21apt-get09:10:141
2163799121,6cyclictest28561-21apt-get10:10:191
2163799120,3cyclictest0-21swapper/109:50:161
2163699129,1cyclictest1945-21runrttasks07:49:070
2163699128,3cyclictest29986-21idleruntime-cro07:30:000
2163699126,3cyclictest20680-21apt-get09:50:160
2163699125,1cyclictest1945-21runrttasks11:22:440
2163699124,4cyclictest29448-21apt-get08:50:120
2163699124,4cyclictest29303-21munin-run08:50:000
2163699124,4cyclictest2071-21apt-get10:25:150
2163699123,3cyclictest23495-21awk09:55:280
2163699122,4cyclictest28388-21munin-run10:09:590
2163699121,6cyclictest0-21swapper/011:00:190
113402120,0sleep10-21swapper/112:13:501
2163799116,4cyclictest0-21swapper/110:00:191
2163799114,5cyclictest14514-21apt-get11:00:201
2163799113,7cyclictest962-21apt-get09:00:141
2163799113,4cyclictest26320-21apt-get11:30:211
2163799113,4cyclictest26320-21apt-get11:30:201
2163799110,6cyclictest0-21swapper/112:05:201
2163699116,2cyclictest17287-21if_eth109:40:210
2163699113,3cyclictest0-21swapper/012:20:200
2163699112,5cyclictest23620-21munin-node07:35:120
2163699112,4cyclictest0-21swapper/007:10:180
2163699112,1cyclictest1945-21runrttasks10:52:490
2163699111,6cyclictest18313-21ls08:20:180
2163699111,2cyclictest0-21swapper/012:30:170
2163699111,1cyclictest31202-21swap07:30:230
2163699110,8cyclictest598-21ntp_states11:45:190
2163699110,6cyclictest0-21swapper/011:42:400
2163699110,10cyclictest12314-21meminfo12:15:250
2163699104,4cyclictest0-21swapper/009:45:170
2163699103,4cyclictest0-21swapper/009:05:210
2163699102,4cyclictest5051-21/usr/sbin/munin09:10:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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