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2022-07-05 - 11:08

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, 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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  Phytec

ARM Freescale i.MX8M Plus @1600 MHz, Linux 5.17.0-rt15 (Profile)

Latency plot of shadow in rack #b, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q done
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 100 highest latencies:
System rackbslot5s (updated Tue Jul 05, 2022 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
370021996444,16cyclictest394392-21grep20:20:013
370008995131,12cyclictest433532-21kworker/u8:2+events_unbound22:25:130
370021994636,7cyclictest449200-21apt-get23:00:013
37002199451,10cyclictest434222-21/usr/sbin/munin22:15:153
370012994435,5cyclictest463062-21idleruntime-cro23:40:001
370012994417,21cyclictest471261-21grep00:00:281
37001299441,10cyclictest429008-21apt-get22:00:121
370008994434,6cyclictest392224-21grep20:10:250
370008994434,5cyclictest371628-21cron19:15:000
370021994333,6cyclictest456166-21munin-plugin-st23:20:013
370012994316,24cyclictest395674-21sed20:20:261
370012994314,26cyclictest463300-21/usr/sbin/munin23:40:221
370012994314,26cyclictest0-21swapper/120:40:201
37001299431,11cyclictest478852-21/usr/sbin/munin00:25:251
370008994331,7cyclictest0-21swapper/000:10:010
37001299421,9cyclictest469540-21/usr/sbin/munin23:55:261
370012994212,27cyclictest384163-21cron19:50:011
370008994235,4cyclictest421951-21munin-plugin-st21:40:000
37002199416,5cyclictest400036-21/usr/sbin/munin20:35:163
37002199411,9cyclictest391211-21/usr/sbin/munin20:10:153
370017994132,5cyclictest387561-21cron20:00:012
370012994132,6cyclictest0-21swapper/100:40:001
370012994122,15cyclictest0-21swapper/123:45:151
370012994122,15cyclictest0-21swapper/120:25:251
37001299411,6cyclictest450039-21runrttasks23:00:191
370012994116,21cyclictest0-21swapper/100:05:181
370012994111,27cyclictest0-21swapper/121:40:001
370008994133,4cyclictest0-21swapper/023:00:000
370008994129,8cyclictest399651-21idleruntime-cro20:35:010
37002199401,8cyclictest440682-21cron22:35:003
370021994014,22cyclictest0-21swapper/323:30:003
370021994013,22cyclictest0-21swapper/300:00:283
37002199401,12cyclictest423806-21wc21:45:013
37002199401,12cyclictest403058-21cron20:45:013
370017994033,4cyclictest0-21swapper/219:35:012
37001299409,4cyclictest378525-21timerwakeupswit19:30:251
37001299408,6cyclictest415237-21sed21:20:011
370012994033,4cyclictest478630-21munin-run00:24:591
370012994029,9cyclictest394374-21cron20:20:001
37001299402,6cyclictest418542-21cron21:30:001
37001299401,9cyclictest459226-21grep23:25:241
370012994013,3cyclictest434099-21/usr/sbin/munin22:15:221
370008994028,8cyclictest395755-21grep20:20:270
37002199399,3cyclictest450235-21mailstats23:00:243
37002199396,5cyclictest0-21swapper/300:20:133
37002199392,8cyclictest446245-21fschecks_time22:50:173
37002199392,10cyclictest417221-21fschecks_count21:25:153
37002199391,9cyclictest469410-21/usr/sbin/munin23:55:243
37002199391,7cyclictest385460-21sed19:50:253
37002199391,11cyclictest476899-21cron00:19:593
37002199391,10cyclictest480937-21cut00:30:183
37002199391,10cyclictest473005-21head00:05:253
37002199391,10cyclictest445102-21sensors_temp22:45:323
370017993929,7cyclictest415080-21sendmail21:20:012
370012993930,6cyclictest415569-21fschecks_time21:20:161
370012993919,16cyclictest0-21swapper/122:00:001
370012993913,23cyclictest0-21swapper/123:20:181
370012993913,23cyclictest0-21swapper/123:20:181
370012993912,23cyclictest0-21swapper/122:05:231
370012993912,23cyclictest0-21swapper/122:05:231
37001299391,15cyclictest432780-21cat22:10:191
37001299391,10cyclictest412457-21ntp_states21:10:211
37002199383,9cyclictest380319-21grep19:35:263
37002199382,5cyclictest441981-21grep22:35:253
37002199382,10cyclictest452755-21cron23:10:003
370021993820,15cyclictest0-21swapper/321:00:013
37002199381,8cyclictest408670-21cut21:00:173
370021993814,20cyclictest0-21swapper/320:00:253
37002199381,10cyclictest412005-21diskstats21:10:153
37002199381,10cyclictest376214-21/usr/sbin/munin19:25:173
370017993831,3cyclictest0-21swapper/200:29:592
37001299388,6cyclictest408470-21seq21:00:031
37001299382,7cyclictest411175-21grep21:05:261
37001299382,6cyclictest381144-21fschecks_count19:40:151
37001299381,7cyclictest443323-21wc22:40:241
37001299381,11cyclictest460009-21diskstats23:30:201
37001299381,11cyclictest406873-21df20:55:161
37001299381,10cyclictest419455-21/usr/sbin/munin21:30:241
370008993828,6cyclictest0-21swapper/023:25:000
370008993828,6cyclictest0-21swapper/023:25:000
37002199379,4cyclictest397877-21idleruntime-cro20:30:003
37002199372,9cyclictest425778-21fschecks_time21:50:163
37002199372,6cyclictest430204-21sshd22:01:523
37002199372,6cyclictest425351-21cron21:50:003
37002199371,9cyclictest483750-21cron00:40:003
37002199371,9cyclictest444246-21grep22:45:013
37002199371,9cyclictest437518-21/usr/sbin/munin22:25:183
37002199371,9cyclictest390499-21grep20:05:243
37002199371,8cyclictest405749-21/usr/sbin/munin20:50:223
37002199371,8cyclictest372610-21fschecks_count19:15:163
37002199371,7cyclictest395750-21grep20:20:273
37002199371,7cyclictest381143-21sort19:40:153
370021993712,5cyclictest391ktimers/319:55:123
370021993712,2cyclictest0-21swapper/319:22:593
37002199371,11cyclictest457488-21users23:20:253
37002199371,11cyclictest457488-21users23:20:243
37002199371,10cyclictest383754-21head19:45:263
370017993730,5cyclictest471587-21kworker/u8:0+events_unbound00:22:222
370017993726,6cyclictest0-21swapper/220:20:282
37001299377,8cyclictest376304-21sed19:25:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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