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2024-04-26 - 22:34

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, 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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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot5s.osadl.org (updated Fri Apr 26, 2024 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1191699260,25cyclictest18187-21ssh09:53:101
11914992624,1cyclictest6133-21diskmemload12:36:190
11916992523,1cyclictest1723-21basename10:45:001
1191699250,24cyclictest17072-21grep09:22:431
1191699250,24cyclictest0-21swapper/111:07:071
1191699250,24cyclictest0-21swapper/110:32:331
1191699250,24cyclictest0-21swapper/109:43:211
11914992525,0cyclictest26960-21apt-get08:47:430
1191499250,24cyclictest6133-21diskmemload12:17:490
1191499250,24cyclictest6133-21diskmemload10:12:510
1191499250,24cyclictest6133-21diskmemload09:22:360
1191499250,24cyclictest0-21swapper/012:06:330
1191499250,24cyclictest0-21swapper/010:03:590
1191499250,1cyclictest0-21swapper/009:55:530
11924992422,2cyclictest7697-21sh10:17:403
1192499240,2cyclictest16876-21awk11:35:003
1192499240,24cyclictest6133-21diskmemload11:50:343
1192499240,24cyclictest6133-21diskmemload11:46:013
1192499240,23cyclictest0-21swapper/310:57:213
1192499240,0cyclictest0-21swapper/309:13:483
1192099240,24cyclictest0-21swapper/212:16:172
1192099240,23cyclictest6133-21diskmemload09:29:582
1192099240,23cyclictest30430-21ssh09:34:192
1192099240,23cyclictest13004-21ssh09:48:092
11916992423,0cyclictest0-21swapper/112:23:241
1191699240,24cyclictest0-21swapper/111:28:061
1191699240,23cyclictest6133-21diskmemload12:29:251
1191699240,23cyclictest0-21swapper/109:18:591
1191699240,23cyclictest0-21swapper/108:27:431
1191699240,1cyclictest6133-21diskmemload09:25:041
11914992422,1cyclictest6133-21diskmemload10:07:440
11914992422,1cyclictest0-21swapper/009:30:160
1191499240,24cyclictest0-21swapper/009:40:120
1191499240,23cyclictest6133-21diskmemload11:22:510
1191499240,23cyclictest6133-21diskmemload09:27:400
1191499240,23cyclictest0-21swapper/010:38:350
1191499240,0cyclictest0-21swapper/010:29:330
11924992323,0cyclictest0-21swapper/310:50:003
11924992322,1cyclictest27289-21apt-get07:42:423
11924992322,1cyclictest16955-21apt-get08:27:433
11924992322,1cyclictest0-21swapper/309:45:033
11924992321,1cyclictest0-21swapper/310:31:083
1192499230,23cyclictest6133-21diskmemload09:18:583
1192499230,23cyclictest0-21swapper/312:39:083
1192499230,23cyclictest0-21swapper/312:32:383
1192499230,23cyclictest0-21swapper/311:36:153
1192499230,23cyclictest0-21swapper/311:20:203
1192499230,23cyclictest0-21swapper/311:06:323
1192499230,23cyclictest0-21swapper/309:27:563
1192499230,22cyclictest6047-21ssh10:15:003
1192499230,22cyclictest16229-21taskset10:26:093
1192499230,22cyclictest0-21swapper/311:27:433
1192499230,22cyclictest0-21swapper/308:42:463
1192499230,1cyclictest15634-21ssh09:51:503
1192499230,0cyclictest6133-21diskmemload10:37:453
1192499230,0cyclictest31827-21ssh09:36:053
1192499230,0cyclictest0-21swapper/312:24:013
1192499230,0cyclictest0-21swapper/311:12:313
1192499230,0cyclictest0-21swapper/310:09:293
11920992323,0cyclictest0-21swapper/212:00:122
11920992323,0cyclictest0-21swapper/211:09:392
11920992323,0cyclictest0-21swapper/210:54:512
11920992323,0cyclictest0-21swapper/209:43:392
11920992321,1cyclictest7487-21ssh09:11:432
11920992321,1cyclictest402-21sh10:08:192
11920992320,2cyclictest14949-21sh09:50:472
1192099230,2cyclictest5049-21ssh10:13:102
1192099230,2cyclictest0-21swapper/211:49:202
1192099230,23cyclictest6133-21diskmemload10:48:202
1192099230,23cyclictest0-21swapper/211:29:032
1192099230,23cyclictest0-21swapper/210:20:342
1192099230,23cyclictest0-21swapper/209:55:162
1192099230,23cyclictest0-21swapper/209:36:092
1192099230,1cyclictest6133-21diskmemload09:24:302
1192099230,0cyclictest6133-21diskmemload12:10:442
1192099230,0cyclictest0-21swapper/211:59:122
1192099230,0cyclictest0-21swapper/211:35:232
1192099230,0cyclictest0-21swapper/210:16:362
11916992323,0cyclictest0-21swapper/111:01:471
11916992323,0cyclictest0-21swapper/110:24:221
11916992323,0cyclictest0-21swapper/109:10:181
11916992322,0cyclictest0-21swapper/111:36:021
11916992321,1cyclictest0-21swapper/111:42:431
11916992321,1cyclictest0-21swapper/111:11:431
11916992321,1cyclictest0-21swapper/110:37:391
11916992321,1cyclictest0-21swapper/109:45:511
11916992321,1cyclictest0-21swapper/107:30:021
1191699231,21cyclictest0-21swapper/110:17:491
1191699230,23cyclictest0-21swapper/112:01:351
1191699230,23cyclictest0-21swapper/111:22:101
1191699230,23cyclictest0-21swapper/110:06:001
1191699230,22cyclictest30286-21sh09:34:061
1191699230,22cyclictest0-21swapper/111:48:451
1191699230,22cyclictest0-21swapper/110:26:091
1191699230,0cyclictest0-21swapper/111:50:221
1191699230,0cyclictest0-21swapper/110:50:151
1191699230,0cyclictest0-21swapper/109:37:371
11914992323,0cyclictest0-21swapper/012:14:210
11914992323,0cyclictest0-21swapper/011:46:580
11914992323,0cyclictest0-21swapper/010:16:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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