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2022-08-13 - 01:58

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 highest latencies:
System rackcslot5s.osadl.org (updated Fri Aug 12, 2022 12:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2496427339,7sleep10-21swapper/107:07:191
2479026852,4sleep00-21swapper/007:05:260
2539999221,10cyclictest9412-21apt-get07:50:111
2539999221,10cyclictest17455-21apt-get08:10:121
2539999220,21cyclictest28163-21meminfo11:20:181
2539999220,1cyclictest0-21swapper/109:15:131
2539999201,11cyclictest768-21apt-get08:50:111
2539999190,9cyclictest6889-21apt-get11:50:121
2539999190,12cyclictest8542-21diskmemload11:40:181
2539899190,18cyclictest8467-21meminfo10:30:200
25399991816,1cyclictest772-21grep10:10:231
2539999180,17cyclictest8127-21meminfo07:45:161
2539999180,17cyclictest25115-21meminfo09:50:251
2539999180,17cyclictest23144-21meminfo09:45:171
2539999180,17cyclictest2178-21meminfo07:30:191
2539999180,13cyclictest781-21munin-run11:34:591
2539999180,11cyclictest0-21swapper/109:10:111
2539899180,17cyclictest539-21meminfo10:10:200
2539999171,9cyclictest27980-21apt-get07:15:131
2539999171,8cyclictest945-21apt-get11:35:131
2539999171,11cyclictest16724-21apt-get12:15:121
2539999170,5cyclictest0-21swapper/109:35:131
2539999170,16cyclictest26006-21meminfo08:30:171
2539999170,16cyclictest2554-21meminfo10:15:181
2539999170,16cyclictest23317-21meminfo12:30:211
2539999170,16cyclictest14205-21meminfo08:00:161
2539999170,10cyclictest0-21swapper/112:10:161
2539999170,10cyclictest0-21swapper/111:55:181
2539999170,10cyclictest0-21swapper/110:45:131
2539899172,4cyclictest8542-21diskmemload11:15:130
2539899171,4cyclictest7647-21perf10:30:010
2539899171,1cyclictest8542-21diskmemload12:28:030
2539899170,16cyclictest30127-21meminfo11:25:180
2539899170,16cyclictest10429-21meminfo10:35:180
2539899170,16cyclictest0-21swapper/009:15:190
2539999166,9cyclictest12812-21apt-get12:05:181
2539999164,10cyclictest6716-21apt-get09:05:121
2539999163,6cyclictest27294-21apt-get08:35:111
2539999163,10cyclictest25161-21munin-run08:30:001
2539999161,4cyclictest29280-21apt-get08:40:131
25399991614,1cyclictest10932-21cat10:35:221
2539999160,7cyclictest5489-21apt-get07:40:111
2539999160,15cyclictest20095-21meminfo08:15:161
2539999160,15cyclictest15272-21meminfo09:25:191
2539899163,7cyclictest17622-21apt-get10:55:100
2539899160,15cyclictest3444-21meminfo08:55:150
2539899160,15cyclictest29954-21meminfo08:40:180
2539899160,15cyclictest24214-21meminfo11:10:230
2539999157,5cyclictest21569-21apt-get11:05:131
2539999152,9cyclictest0-21swapper/110:20:151
2539999151,5cyclictest29452-21apt-get11:25:141
2539999151,5cyclictest12905-21ls10:40:221
2539999150,5cyclictest21344-21ls12:25:201
2539999150,15cyclictest25279-21meminfo12:35:191
2539999150,14cyclictest5431-21meminfo09:00:171
2539999150,14cyclictest13319-21meminfo09:20:251
2539899153,6cyclictest26312-21chrt12:39:070
2539899151,7cyclictest4939-21apt-get11:45:190
2539899151,5cyclictest22646-21apt-get12:30:170
2539899150,6cyclictest25336-21apt-esm-hook08:30:120
2539899150,6cyclictest0-21swapper/009:10:110
2539899150,14cyclictest30645-21meminfo07:20:220
2539899150,14cyclictest26094-21meminfo07:10:170
2539899150,14cyclictest1635-21meminfo11:35:210
2539999146,7cyclictest31572-21fschecks_time08:45:141
2539999144,2cyclictest18592-21ps10:55:181
2539999143,8cyclictest30900-21/usr/sbin/munin10:05:201
2539999143,10cyclictest26405-21apt-get09:55:161
2539999141,8cyclictest2771-21apt-get08:55:121
2539999141,7cyclictest23531-21seq11:10:131
2539999141,4cyclictest11028-1kworker/u5:011:19:151
25399991412,1cyclictest5833-21apt-get10:25:151
25399991410,3cyclictest16065-21gltestperf10:50:151
2539999140,5cyclictest0-21swapper/112:20:121
2539899146,7cyclictest13700-21apt-get10:45:130
2539899142,8cyclictest3632-21/usr/sbin/munin11:40:170
2539899142,8cyclictest0-21swapper/007:25:120
2539899142,10cyclictest5576-21runrttasks09:00:190
2539899141,9cyclictest10843-21apt-get12:00:160
2539899141,8cyclictest11548-21apt-get07:55:110
2539899141,7cyclictest0-21swapper/011:30:190
2539899141,6cyclictest3295-21cron07:35:000
25398991410,3cyclictest9-21ksoftirqd/008:35:100
2539899140,8cyclictest12639-21/usr/sbin/munin09:20:180
2539899140,13cyclictest8126-21meminfo07:45:150
2539899140,13cyclictest19198-21meminfo09:35:180
2539899140,13cyclictest15273-21meminfo09:25:200
2539999134,7cyclictest3506-21apt-get07:35:121
2539999132,6cyclictest0-21swapper/110:00:171
2539999131,7cyclictest25419-21apt-get07:10:131
2539999131,6cyclictest31937-21apt-esm-hook07:25:131
25399991311,1cyclictest19615-21/usr/sbin/munin11:00:231
2539999130,8cyclictest10843-21apt-get12:00:161
2539999130,7cyclictest0-21swapper/107:55:121
2539999130,4cyclictest5540-21tr11:45:231
2539999130,13cyclictest16168-21meminfo08:05:171
2539899133,8cyclictest29103-21/usr/sbin/munin07:15:220
2539899133,8cyclictest19420-21apt-get08:15:130
2539899133,4cyclictest0-21swapper/008:20:130
2539899132,7cyclictest0-21swapper/008:05:130
2539899132,6cyclictest16838-21grep09:30:210
2539899130,8cyclictest2222-21/usr/sbin/munin10:15:160
2539899130,12cyclictest29064-21meminfo10:00:220
2539899130,12cyclictest28161-21meminfo11:20:180
2539999122,6cyclictest21436-21/usr/sbin/munin09:40:231
2539999121,6cyclictest31781-21munin-run07:25:011
25399991210,1cyclictest21-21ksoftirqd/110:30:051
25399991210,1cyclictest16569-21apt-get09:30:201
2539899128,1cyclictest21812-21awk11:05:150
2539899123,7cyclictest17947-21ls12:15:220
2539899123,7cyclictest14769-21apt-get12:10:150
2539899123,5cyclictest0-21swapper/010:05:210
2539899123,5cyclictest0-21swapper/008:10:120
2539899123,4cyclictest0-21swapper/007:50:170
2539899123,4cyclictest0-21swapper/007:35:120
2539899122,8cyclictest0-21swapper/012:20:140
2539899122,6cyclictest765-21/usr/sbin/munin08:50:120
2539899122,4cyclictest15661-21apt-get10:50:130
2539899122,3cyclictest0-21swapper/009:55:230
2539899121,8cyclictest5714-21/usr/sbin/munin07:40:130
2539899121,8cyclictest0-21swapper/008:25:140
2539899121,3cyclictest0-21swapper/009:05:180
25398991212,0cyclictest0-21swapper/008:47:520
25398991210,1cyclictest13531-21apt-get08:00:120
2539999116,4cyclictest1945-21runrttasks08:20:121
2539899115,4cyclictest0-21swapper/011:55:170
2539899114,3cyclictest20508-21apt-get09:40:140
2539899114,1cyclictest3872-21apt-get10:20:160
2539899113,4cyclictest19833-21df11:00:210
2539899112,3cyclictest11966-21cat10:40:130
2539899111,3cyclictest26254-21perf09:55:000
2539899111,3cyclictest1945-21runrttasks11:50:000
2539899102,4cyclictest12814-21apt-get12:05:180
2539899101,3cyclictest22474-21sshd09:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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