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2024-09-14 - 16:13

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #6

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 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot6s.osadl.org (updated Sat Sep 14, 2024 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3328114998682,2cyclictest0-21swapper/009:10:180
3328117996727,9cyclictest0-21swapper/107:25:011
332811499672,22cyclictest0-21swapper/007:35:010
3328118996659,4cyclictest0-21swapper/212:15:012
332811499659,41cyclictest131ktimers/012:15:140
332811499655,38cyclictest15-21rcuc/007:50:020
332811499655,38cyclictest15-21rcuc/007:50:010
3328117996436,15cyclictest0-21swapper/109:50:161
3328117996352,8cyclictest3349852-21munin-node09:15:111
3328114996337,21cyclictest15-21rcuc/010:45:160
3328117996136,12cyclictest0-21swapper/107:45:141
3328117996136,12cyclictest0-21swapper/107:45:141
3328117996036,13cyclictest0-21swapper/110:00:131
3328117995938,16cyclictest0-21swapper/112:15:111
3328117995936,12cyclictest0-21swapper/110:25:121
3328117995840,12cyclictest0-21swapper/111:25:121
3328117995834,10cyclictest0-21swapper/111:45:111
3328117995739,13cyclictest0-21swapper/111:35:121
3328117995738,14cyclictest0-21swapper/109:30:121
3328117995728,15cyclictest0-21swapper/110:30:141
3328117995728,15cyclictest0-21swapper/110:30:141
3328117995639,12cyclictest0-21swapper/108:20:141
3328117995630,12cyclictest0-21swapper/107:50:111
3328117995630,12cyclictest0-21swapper/107:50:111
3328117995542,9cyclictest3341964-21apt-get08:30:051
3328117995539,10cyclictest3328111-21cyclictest11:04:591
3328117995534,13cyclictest3383765-21/usr/sbin/munin12:30:281
3328117995528,12cyclictest0-21swapper/112:05:141
3328117995438,11cyclictest0-21swapper/112:00:131
3328117995438,10cyclictest3355156-21/usr/sbin/munin09:45:231
3328117995436,12cyclictest0-21swapper/109:55:131
3328117995417,31cyclictest0-21swapper/109:10:271
3328114995429,17cyclictest131ktimers/007:45:000
3328114995426,16cyclictest131ktimers/011:20:120
3328117995340,10cyclictest1666-21snmpd08:13:391
3328117995338,12cyclictest3330028-21sshd07:18:141
3328117995334,8cyclictest0-21swapper/109:35:151
3328117995334,13cyclictest3377354-21/usr/sbin/munin11:55:221
3328117995332,9cyclictest0-21swapper/110:20:101
3328118995240,6cyclictest0-21swapper/211:10:282
3328117995242,5cyclictest3359239-21apt-get10:10:111
3328117995241,8cyclictest3364266-21sshd10:39:141
3328117995241,8cyclictest3364266-21sshd10:39:141
3328117995237,8cyclictest3338392-21/usr/sbin/munin08:05:261
3328117995237,8cyclictest3338392-21/usr/sbin/munin08:05:261
3328117995234,11cyclictest3339982-21/usr/sbin/munin08:15:251
3328117995234,11cyclictest3336308-21/usr/sbin/munin07:55:161
3328117995230,13cyclictest0-21swapper/107:40:291
3328114995219,27cyclictest15-21rcuc/012:05:300
3328117995143,4cyclictest3344851-21/usr/sbin/munin08:45:151
3328117995141,6cyclictest3365338-21apt-get10:45:161
3328117995140,7cyclictest3350825-21/usr/sbin/munin09:20:201
3328117995137,8cyclictest3375089-21/usr/sbin/munin11:40:271
3328117995136,9cyclictest3368924-21/usr/sbin/munin11:05:241
3328117995136,9cyclictest3368924-21/usr/sbin/munin11:05:231
3328117995136,11cyclictest1666-21snmpd07:20:031
3328117995136,11cyclictest1666-21snmpd07:20:021
3328117995134,11cyclictest3341544-21/usr/sbin/munin08:25:221
3328117995131,14cyclictest3381878-21/usr/sbin/munin12:20:271
3328117995128,12cyclictest0-21swapper/108:50:161
3328117995128,12cyclictest0-21swapper/108:50:151
3328117995120,22cyclictest0-21swapper/111:30:141
3328114995144,4cyclictest0-21swapper/010:50:120
3328114995144,4cyclictest0-21swapper/010:50:120
3328117995044,3cyclictest3360079-21apt-get10:15:141
3328117995043,3cyclictest3376315-21apt-get11:50:121
3328117995042,4cyclictest3370467-21diskstats11:15:201
3328117995041,5cyclictest3331946-21apt-get07:30:111
3328117995037,9cyclictest0-21swapper/108:35:121
3328117995037,9cyclictest0-21swapper/108:35:121
3328117995028,12cyclictest0-21swapper/107:10:011
3328117995027,9cyclictest0-21swapper/111:20:131
3328114995039,9cyclictest3364282-21munin-plugin-st10:40:000
3328114995039,9cyclictest3364282-21munin-plugin-st10:39:590
3328114995013,31cyclictest3384001-21sshd12:35:140
3328117994943,3cyclictest3382552-21/usr/sbin/munin12:25:211
3328117994941,4cyclictest3379778-21apt-get12:10:121
3328117994941,4cyclictest3369557-21apt-get11:10:141
3328117994941,4cyclictest3366179-21apt-get10:50:121
3328117994941,4cyclictest3366179-21apt-get10:50:121
3328117994938,6cyclictest1666-21snmpd07:37:571
3328117994937,6cyclictest3348433-21/usr/sbin/munin09:05:221
3328117994936,7cyclictest3367176-21dropbear10:55:201
3328117994935,9cyclictest3383995-21/usr/sbin/munin12:35:221
3328117994935,9cyclictest1666-21snmpd10:40:101
3328117994933,9cyclictest3337333-21/usr/sbin/munin08:00:211
3328114994930,14cyclictest15-21rcuc/012:20:130
3328118994814,28cyclictest3344243-21kernelversion08:40:222
3328117994839,5cyclictest3346478-21apt-get08:55:151
3328117994834,9cyclictest3343955-21/usr/sbin/munin08:40:231
3328117994834,7cyclictest3328705-21/usr/sbin/munin07:10:251
3328117994832,9cyclictest3351625-21/usr/sbin/munin09:25:171
3328114994823,15cyclictest15-21rcuc/008:30:130
3328114994733,9cyclictest0-21swapper/010:10:270
3328114994717,5cyclictest3328939-21munin-node07:15:020
3328118994628,12cyclictest0-21swapper/208:25:202
3328117994633,9cyclictest3347331-21/usr/sbin/munin09:00:161
3328117994625,10cyclictest0-21swapper/109:40:131
3328114994639,5cyclictest3336897-21tr08:00:000
3328114994638,5cyclictest3341128-21munin-plugin-st08:25:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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