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2023-01-29 - 16:30

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #7

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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x86 Intel Celeron 33455 @1500 MHz, Linux 5.15.2-rt19 (Profile)

Latency plot of shadow in rack #c, slot #7
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 rackcslot7s.osadl.org (updated Sun Jan 29, 2023 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1623991090,19rtkit-daemon0-21swapper/210:14:442
1623991010,84rtkit-daemon0-21swapper/207:05:232
9106162930,4sleep20-21swapper/209:40:272
85615529366,21sleep30-21swapper/307:06:033
85636829056,27sleep10-21swapper/107:08:461
85633229055,28sleep00-21swapper/007:08:200
9126362850,16sleep126-21ksoftirqd/109:45:331
162399710,5rtkit-daemon0-21swapper/109:37:291
85662099668,39cyclictest953185-21cron11:45:003
9310622630,13sleep0131ksoftirqd/010:40:180
85662099633,42cyclictest1753-21gnome-shell12:05:193
85662099619,25cyclictest1753-21gnome-shell07:49:483
162399610,9rtkit-daemon1622-21rtkit-daemon09:01:062
85662099608,16cyclictest1753-21gnome-shell10:03:333
85662099608,16cyclictest1753-21gnome-shell10:03:333
85662099598,35cyclictest1753-21gnome-shell07:23:233
85662099591,39cyclictest1753-21gnome-shell11:55:293
85661399590,55cyclictest1622-21rtkit-daemon08:58:062
85662099589,28cyclictest1753-21gnome-shell12:34:553
162399580,8rtkit-daemon1622-21rtkit-daemon09:11:512
9119682570,12sleep3141rcu_preempt09:45:193
85662099578,26cyclictest1753-21gnome-shell09:19:583
85662099577,34cyclictest1753-21gnome-shell11:17:143
162399570,9rtkit-daemon1622-21rtkit-daemon08:53:523
8632812560,23sleep0161rcuc/007:25:300
85662099569,26cyclictest896599-40lsb_release09:00:273
85662099567,33cyclictest1753-21gnome-shell11:50:143
162399560,9rtkit-daemon1622-21rtkit-daemon10:04:311
162399560,9rtkit-daemon1622-21rtkit-daemon10:04:311
162399560,9rtkit-daemon1622-21rtkit-daemon09:53:130
162399560,34rtkit-daemon0-21swapper/211:06:112
162399550,6rtkit-daemon0-21swapper/210:42:352
85662099548,15cyclictest1753-21gnome-shell11:49:303
85662099547,32cyclictest1753-21gnome-shell10:32:563
85662099547,24cyclictest1753-21gnome-shell10:05:143
85662099547,17cyclictest0-21swapper/312:12:203
85662099544,28cyclictest1753-21gnome-shell12:00:203
856620995410,25cyclictest1753-21gnome-shell08:31:173
85660899541,4cyclictest0-21swapper/108:53:491
85662099539,26cyclictest1753-21gnome-shell07:25:023
85662099538,10cyclictest858269-21munin-run07:15:003
85662099533,16cyclictest1753-21gnome-shell11:13:233
85662099533,12cyclictest1753-21gnome-shell09:30:283
162399530,8rtkit-daemon1622-21rtkit-daemon11:17:000
9194222520,7sleep00-21swapper/010:05:280
85662099529,26cyclictest1753-21gnome-shell12:35:073
85662099529,26cyclictest1753-21gnome-shell09:28:063
85662099529,26cyclictest1753-21gnome-shell09:20:353
85662099529,15cyclictest865089-21/usr/sbin/munin07:30:303
85662099528,27cyclictest1753-21gnome-shell11:09:193
85662099528,27cyclictest1753-21gnome-shell10:20:153
85662099528,27cyclictest1753-21gnome-shell09:43:523
85662099528,26cyclictest1753-21gnome-shell07:40:083
856620995216,20cyclictest1753-21gnome-shell12:15:253
856606995225,22cyclictest890889-40lsb_release08:45:190
162399520,8rtkit-daemon1622-21rtkit-daemon10:10:360
85662099519,26cyclictest1753-21gnome-shell08:39:243
85662099519,25cyclictest1753-21gnome-shell10:45:363
85662099519,16cyclictest1753-21gnome-shell10:35:233
85662099519,16cyclictest1753-21gnome-shell08:40:493
85662099519,16cyclictest1753-21gnome-shell08:40:493
85662099518,27cyclictest1753-21gnome-shell08:19:393
85662099518,26cyclictest1753-21gnome-shell12:27:213
85662099518,26cyclictest1753-21gnome-shell10:53:043
85662099518,26cyclictest1753-21gnome-shell10:53:043
85662099518,16cyclictest1753-21gnome-shell11:24:303
85662099517,19cyclictest922534-21/usr/sbin/munin10:15:193
856620995110,24cyclictest1753-21gnome-shell09:52:013
856620995110,22cyclictest1753-21gnome-shell10:25:353
85662099509,25cyclictest1753-21gnome-shell10:13:393
85662099508,26cyclictest1753-21gnome-shell11:29:263
85662099508,26cyclictest1753-21gnome-shell10:44:093
85662099508,25cyclictest1753-21gnome-shell11:01:073
85662099508,25cyclictest1753-21gnome-shell08:55:393
85662099508,24cyclictest1753-21gnome-shell08:20:173
85662099508,16cyclictest1753-21gnome-shell10:59:513
85662099508,16cyclictest1753-21gnome-shell09:37:353
85662099508,16cyclictest1753-21gnome-shell09:12:133
85662099508,16cyclictest1753-21gnome-shell08:25:453
85662099508,16cyclictest1753-21gnome-shell08:01:123
85662099507,25cyclictest1753-21gnome-shell11:31:443
85662099506,27cyclictest1753-21gnome-shell07:55:313
85662099506,27cyclictest1753-21gnome-shell07:55:313
85662099506,26cyclictest1753-21gnome-shell07:35:293
85662099499,16cyclictest1753-21gnome-shell11:37:013
85662099498,24cyclictest1753-21gnome-shell09:06:103
85662099498,16cyclictest1753-21gnome-shell08:48:543
856620994910,22cyclictest1753-21gnome-shell09:59:593
856608994920,16cyclictest26-21ksoftirqd/108:25:101
85660899491,23cyclictest0-21swapper/111:06:101
162399490,9rtkit-daemon1753-21gnome-shell11:54:192
9038452470,5chrt0-21swapper/009:20:330
8909042470,8sleep11753-21gnome-shell08:45:201
85662099478,22cyclictest1753-21gnome-shell12:24:003
85662099478,16cyclictest1753-21gnome-shell07:19:533
85662099477,24cyclictest1753-21gnome-shell07:50:203
856613994730,6cyclictest34-21ksoftirqd/211:20:362
856608994723,20cyclictest883257-21unin-run08:25:001
162399470,34rtkit-daemon1753-21gnome-shell08:13:592
162399470,32rtkit-daemon0-21swapper/211:30:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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