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2025-05-09 - 06:02

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 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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  Phytec
Click here to display the system's profile data or here to proceed to next system.
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot5s.osadl.org (updated Fri May 09, 2025 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1145064995036,10cyclictest231ktimers/100:00:151
1145072994936,10cyclictest391ktimers/321:20:153
1145060994739,4cyclictest1239218-21unixbench_singl23:40:260
1145072994535,6cyclictest1184406-21unixbench_multi21:00:263
1145064994333,6cyclictest0-21swapper/119:55:011
1145060994335,4cyclictest0-21swapper/020:00:010
1145060994231,8cyclictest1186563-21munin-plugin-st21:10:000
1145072994133,5cyclictest1230932-21apt23:20:003
114506999405,6cyclictest131rcu_preempt20:00:112
1145069994032,4cyclictest1201387-21tail21:50:282
1145072993931,4cyclictest1200162-21munin-plugin-st21:50:003
1145072993829,4cyclictest0-21swapper/322:15:173
1145069993830,5cyclictest1186564-21cron21:10:002
1145069993825,8cyclictest1194640-21head21:30:272
1145060993826,8cyclictest1189502-21tail21:15:250
1145069993727,8cyclictest311ktimers/222:45:132
1145060993729,4cyclictest440-21cron21:05:000
114507299369,8cyclictest40-21ksoftirqd/320:10:173
1145072993617,14cyclictest0-21swapper/323:05:133
1145072993610,9cyclictest40-21ksoftirqd/319:30:183
1145069993626,6cyclictest1181245-21sh20:55:012
1145069993625,6cyclictest1249368-21grep00:10:282
1145069993624,7cyclictest0-21swapper/221:00:012
1145064993627,6cyclictest1183544-21cut21:00:171
1145069993525,5cyclictest0-21swapper/221:15:002
1145069993522,8cyclictest1204816-21grep22:00:272
1145069993522,8cyclictest1204816-21grep22:00:272
1145064993528,4cyclictest0-21swapper/122:25:171
1145064993524,7cyclictest1189974-21sendmail21:20:001
1145064993523,8cyclictest1199697-21grep21:45:261
114507299345,10cyclictest1158284-21ntp_states19:45:223
1145072993423,6cyclictest0-21swapper/322:30:253
1145069993428,3cyclictest1208866-21idleruntime-cro22:15:002
1145069993425,4cyclictest0-21swapper/200:15:192
1145069993425,4cyclictest0-21swapper/200:15:192
1145064993425,6cyclictest0-21swapper/119:35:001
1145064993424,6cyclictest0-21swapper/121:45:001
1145064993422,9cyclictest440-21cron22:15:001
1145060993425,6cyclictest0-21swapper/022:40:010
1145072993325,4cyclictest0-21swapper/320:50:233
1145072993316,12cyclictest0-21swapper/321:10:133
1145069993326,3cyclictest0-21swapper/220:05:262
1145069993325,4cyclictest0-21swapper/222:55:292
1145069993324,5cyclictest0-21swapper/220:25:182
1145064993324,6cyclictest0-21swapper/122:05:001
1145064993324,6cyclictest0-21swapper/122:05:001
1145060993325,5cyclictest0-21swapper/021:00:010
1145060993325,4cyclictest0-21swapper/023:15:240
1145060993325,4cyclictest0-21swapper/022:05:280
1145060993325,4cyclictest0-21swapper/022:05:280
1145072993223,4cyclictest0-21swapper/322:05:283
1145072993223,4cyclictest0-21swapper/322:05:283
1145072993218,11cyclictest1210910-21/usr/sbin/munin22:20:133
1145072993216,10cyclictest0-21swapper/319:50:123
1145069993222,5cyclictest0-21swapper/221:20:272
1145064993224,5cyclictest0-21swapper/121:00:021
1145064993223,5cyclictest1192968-21unixbench_singl21:25:331
1145064993222,6cyclictest0-21swapper/123:20:201
1145064993222,6cyclictest0-21swapper/120:25:271
1145060993224,4cyclictest0-21swapper/020:25:260
1145060993222,6cyclictest0-21swapper/000:35:000
1145060993220,7cyclictest0-21swapper/021:25:320
1145072993123,4cyclictest0-21swapper/319:55:253
1145072993122,4cyclictest0-21swapper/300:15:193
1145072993122,4cyclictest0-21swapper/300:15:193
1145072993121,7cyclictest1178100-21apt-get20:45:153
1145072993120,8cyclictest1246219-21sshd00:02:273
1145072993117,11cyclictest1234245-21cron23:29:003
114506999312,5cyclictest131rcu_preempt21:00:142
1145069993123,4cyclictest0-21swapper/221:55:232
1145069993123,4cyclictest0-21swapper/221:15:172
1145069993123,4cyclictest0-21swapper/220:45:272
1145069993122,5cyclictest0-21swapper/222:15:272
1145069993121,7cyclictest1235389-21switchtime23:30:272
1145069993121,6cyclictest0-21swapper/200:35:002
1145069993120,7cyclictest0-21swapper/221:50:002
1145064993125,3cyclictest0-21swapper/120:20:001
1145064993123,4cyclictest0-21swapper/123:50:241
1145060993124,3cyclictest0-21swapper/022:15:000
1145060993123,4cyclictest0-21swapper/021:50:000
1145060993121,6cyclictest0-21swapper/022:20:250
1145060993120,6cyclictest0-21swapper/021:40:000
1145072993023,3cyclictest0-21swapper/323:35:003
1145072993022,4cyclictest0-21swapper/322:45:263
1145072993022,4cyclictest0-21swapper/322:10:263
1145072993018,9cyclictest1185101-21apt-get21:05:133
1145072993017,10cyclictest1171870-21/usr/sbin/munin20:25:223
1145072993017,10cyclictest1168977-21sshd20:15:273
1145072993016,12cyclictest1224781-21sed23:00:183
1145064993023,4cyclictest1249822-21kthreadd00:15:001
1145064993023,4cyclictest1210571-21sendmail22:20:001
1145064993022,4cyclictest0-21swapper/123:35:261
1145064993021,6cyclictest1227082-21grep23:05:271
1145064993021,6cyclictest0-21swapper/121:15:001
114506099300,26cyclictest0-21swapper/000:10:130
1145072992922,4cyclictest0-21swapper/322:40:263
1145072992921,4cyclictest0-21swapper/300:05:253
1145072992920,6cyclictest0-21swapper/319:10:243
1145072992919,7cyclictest1249341-21/usr/sbin/munin00:10:273
1145072992919,7cyclictest1196762-21ls21:40:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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