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2024-07-27 - 07:18

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, 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 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.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot6s.osadl.org (updated Sat Jul 27, 2024 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32754211894,19sleep00-21swapper/019:09:070
352211597,12sleep30-21swapper/319:09:583
32745210897,6sleep10-21swapper/119:09:001
3248629786,6sleep20-21swapper/219:05:412
102752750,0sleep00-21swapper/022:46:580
170272700,0sleep20-21swapper/221:45:112
298152240,0sleep00-21swapper/023:08:390
382992017,2cyclictest2875-21kworker/u8:021:32:041
382992017,2cyclictest10018-21kworker/u8:221:42:041
145522200,1sleep00-21swapper/000:00:540
64302190,0sleep10-21swapper/123:52:491
384991916,2cyclictest15145-21kworker/u8:121:51:043
302532190,0sleep00-21swapper/021:59:520
66542180,0sleep10-21swapper/120:45:111
382991815,2cyclictest25201-21kworker/u8:223:17:041
384991714,2cyclictest8082-21kworker/u8:023:21:043
38499170,2cyclictest0-21swapper/321:32:043
383991714,2cyclictest6882-21kworker/u8:122:53:042
383991714,2cyclictest30885-21kworker/u8:022:38:042
382991714,2cyclictest28734-21kworker/u8:121:24:041
382991714,2cyclictest15729-21kworker/u8:223:42:041
275052170,1sleep0101ktimersoftd/021:20:350
384991613,2cyclictest8177-21kworker/u8:020:48:043
384991613,2cyclictest381ktimersoftd/321:10:083
38499161,13cyclictest0-21swapper/323:05:133
38499160,2cyclictest0-21swapper/321:42:043
38499160,14cyclictest32263-21ssh00:20:193
38499160,14cyclictest0-21swapper/321:24:043
382991613,2cyclictest3147-21kworker/u8:123:30:041
38299160,14cyclictest0-21swapper/121:00:141
384991512,2cyclictest3147-21kworker/u8:123:38:043
384991512,2cyclictest24974-21kworker/u8:022:01:043
38499151,12cyclictest5812-21cat20:40:283
38499151,12cyclictest25799-21ssh23:04:413
38499151,12cyclictest0-21swapper/322:08:503
38499151,12cyclictest0-21swapper/322:08:493
38499151,12cyclictest0-21swapper/320:05:073
38499150,2cyclictest0-21swapper/323:17:043
38499150,14cyclictest0-21swapper/323:42:043
38499150,13cyclictest16339-21diskmemload21:48:203
38499150,13cyclictest0-21swapper/300:04:173
38399152,11cyclictest0-21swapper/221:28:232
38399151,3cyclictest0-21swapper/223:45:202
383991512,2cyclictest4530-21kworker/u8:221:10:042
383991512,2cyclictest11839-21kworker/u8:222:16:042
383991511,3cyclictest0-21swapper/223:17:102
38399150,2cyclictest0-21swapper/223:35:002
38399150,2cyclictest0-21swapper/221:42:042
38399150,2cyclictest0-21swapper/221:32:042
38399150,13cyclictest16339-21diskmemload23:43:002
38399150,13cyclictest0-21swapper/222:57:292
382991512,2cyclictest6882-21kworker/u8:123:03:041
382991512,2cyclictest3383-21kworker/u8:000:33:041
382991512,2cyclictest24974-21kworker/u8:021:58:041
382991512,2cyclictest20008-21kworker/u8:222:03:041
38299150,3cyclictest7747-21apt-get23:55:051
38199151,12cyclictest11871-21sensors_fan19:35:250
38199150,13cyclictest0-21swapper/019:10:170
384991411,2cyclictest6852-21kworker/u8:019:34:043
384991411,2cyclictest30602-21kworker/u8:219:27:043
384991411,2cyclictest19203-21kworker/u8:022:57:043
384991411,2cyclictest0-21swapper/322:31:133
384991411,2cyclictest0-21swapper/300:30:053
384991410,3cyclictest6882-21kworker/u8:122:54:043
38499140,3cyclictest2736-21df_abs20:35:123
38499140,2cyclictest17659-21ssh00:05:133
38499140,2cyclictest0-21swapper/323:30:043
38499140,2cyclictest0-21swapper/321:26:483
38499140,13cyclictest0-21swapper/320:15:263
38499140,12cyclictest16339-21diskmemload23:52:073
38499140,12cyclictest16339-21diskmemload22:48:133
38499140,12cyclictest16339-21diskmemload00:35:363
38499140,12cyclictest0-21swapper/322:35:273
38499140,12cyclictest0-21swapper/319:10:213
38399144,2cyclictest0-21swapper/223:55:142
38399141,2cyclictest19550-21diskmemload22:22:112
383991411,2cyclictest24974-21kworker/u8:022:06:042
383991411,2cyclictest24974-21kworker/u8:022:06:042
383991411,2cyclictest0-21swapper/221:38:302
383991411,2cyclictest0-21swapper/200:17:502
38399140,2cyclictest16339-21diskmemload23:05:392
38399140,2cyclictest0-21swapper/223:13:022
38399140,2cyclictest0-21swapper/221:55:212
38399140,2cyclictest0-21swapper/221:05:212
38399140,13cyclictest0-21swapper/222:11:402
38399140,13cyclictest0-21swapper/222:11:402
38399140,13cyclictest0-21swapper/221:20:102
38399140,13cyclictest0-21swapper/221:18:402
38399140,12cyclictest16339-21diskmemload23:22:492
38399140,12cyclictest16339-21diskmemload00:23:172
38399140,12cyclictest0-21swapper/220:35:212
38399140,12cyclictest0-21swapper/200:31:372
38399140,12cyclictest0-21swapper/200:27:402
382991411,2cyclictest6690-21kworker/u8:122:12:041
382991411,2cyclictest6690-21kworker/u8:122:12:031
382991411,2cyclictest3147-21kworker/u8:123:20:041
382991411,2cyclictest28734-21kworker/u8:121:37:041
382991411,2cyclictest17370-21kworker/u8:122:35:041
382991411,2cyclictest17370-21kworker/u8:122:34:041
382991411,2cyclictest17370-21kworker/u8:122:27:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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