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2024-12-11 - 07:26

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 - 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 rackcslot7s.osadl.org (updated Wed Dec 11, 2024 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1623991440,4rtkit-daemon0-21swapper/022:24:333
1623991090,9rtkit-daemon1622-21rtkit-daemon21:20:150
1623991080,9rtkit-daemon1622-21rtkit-daemon23:50:290
1623991050,9rtkit-daemon1622-21rtkit-daemon22:15:200
138349421040,4chrt1383493-21threads22:25:303
1623991010,9rtkit-daemon1622-21rtkit-daemon19:21:490
13153472990,9sleep31753-21gnome-shell19:15:213
162399970,9rtkit-daemon1622-21rtkit-daemon23:14:090
162399970,9rtkit-daemon1622-21rtkit-daemon22:57:050
162399950,8rtkit-daemon1622-21rtkit-daemon21:54:390
162399950,8rtkit-daemon1622-21rtkit-daemon21:54:390
162399940,10rtkit-daemon1622-21rtkit-daemon19:57:410
162399930,9rtkit-daemon1622-21rtkit-daemon21:35:380
162399920,9rtkit-daemon1622-21rtkit-daemon20:56:020
162399850,75rtkit-daemon0-21swapper/219:09:262
162399840,6rtkit-daemon1622-21rtkit-daemon19:26:540
162399840,6rtkit-daemon1622-21rtkit-daemon19:26:540
13842802840,4sleep30-21swapper/322:30:093
131206928051,21sleep30-21swapper/319:07:373
13450082790,7sleep31344986-21munin-run20:40:013
162399760,5rtkit-daemon1826-21JS14:31:440
131211327256,9sleep00-21swapper/019:08:100
131223726939,23sleep10-21swapper/119:09:481
162399590,9rtkit-daemon1622-21rtkit-daemon19:18:110
162399580,9rtkit-daemon1622-21rtkit-daemon23:11:301
162399580,9rtkit-daemon1622-21rtkit-daemon23:05:320
162399580,9rtkit-daemon1622-21rtkit-daemon22:53:491
162399580,8rtkit-daemon1622-21rtkit-daemon20:20:371
162399570,9rtkit-daemon1622-21rtkit-daemon21:43:481
162399570,9rtkit-daemon1622-21rtkit-daemon19:40:141
162399570,8rtkit-daemon1622-21rtkit-daemon20:21:110
162399560,9rtkit-daemon1622-21rtkit-daemon23:16:461
162399560,9rtkit-daemon1622-21rtkit-daemon23:02:131
162399560,9rtkit-daemon1622-21rtkit-daemon20:16:200
162399560,8rtkit-daemon1622-21rtkit-daemon20:08:171
162399550,8rtkit-daemon1622-21rtkit-daemon22:29:591
162399550,8rtkit-daemon1622-21rtkit-daemon00:17:291
162399530,9rtkit-daemon1622-21rtkit-daemon00:11:311
162399520,8rtkit-daemon1622-21rtkit-daemon23:33:190
162399520,8rtkit-daemon1622-21rtkit-daemon22:34:450
162399510,8rtkit-daemon1622-21rtkit-daemon22:11:230
1312411995137,10cyclictest13-21ksoftirqd/021:43:540
162399500,8rtkit-daemon1622-21rtkit-daemon19:28:481
162399500,8rtkit-daemon1622-21rtkit-daemon19:28:481
162399500,6rtkit-daemon1622-21rtkit-daemon21:46:331
162399500,6rtkit-daemon1622-21rtkit-daemon00:35:531
162399500,6rtkit-daemon1622-21rtkit-daemon00:33:551
131241199472,9cyclictest1410025-21latency_hist23:45:020
1312416994619,8cyclictest14087152tr23:40:171
162399450,36rtkit-daemon1312405-21cyclictest00:11:520
13895252450,8chrt1753-21gnome-shell22:45:121
131241699451,18cyclictest1415213-40logrotate00:00:031
13257252440,7sleep20-21swapper/219:45:222
1312424994429,11cyclictest1368124-21munin-run21:45:003
131242499441,15cyclictest1390940-21munin-plugin-st22:50:003
14289692430,6sleep0161rcuc/000:35:270
14189912430,5sleep01418982-21munin-run00:10:000
1312419994329,10cyclictest1357373-21apt-get21:15:002
1312419994316,10cyclictest141rcu_preempt00:15:162
13492762420,14sleep1261ksoftirqd/120:50:171
13492762420,14sleep1261ksoftirqd/120:50:171
1312424994224,13cyclictest42-21ksoftirqd/322:56:423
1312419994225,12cyclictest438-20systemd-journal23:56:572
1312419994215,10cyclictest1753-21gnome-shell21:00:172
1312416994232,6cyclictest26-21ksoftirqd/100:25:011
1312416994222,6cyclictest26-21ksoftirqd/123:20:281
1312424994123,13cyclictest42-21ksoftirqd/319:33:403
131241999417,31cyclictest1312405-21cyclictest23:24:532
1312419994126,11cyclictest1355631-21cron21:10:002
1312419994123,13cyclictest438-20systemd-journal19:20:002
1312419994117,20cyclictest1394876-21cstates23:00:152
1312419994112,13cyclictest141rcu_preempt22:50:122
131241699412,34cyclictest1753-21gnome-shell22:34:151
1312416994115,20cyclictest1313959-21colord-sane19:13:481
1312411994125,12cyclictest1408233-21sshd23:39:580
1312411994125,12cyclictest1328419-21sshd19:54:530
131241199411,35cyclictest1371812-21seq21:55:040
131241199411,15cyclictest13578882acpi21:15:110
13548242400,5sleep10-21swapper/121:05:231
13189112400,17sleep234-21ksoftirqd/219:25:222
13189112400,17sleep234-21ksoftirqd/219:25:222
131242499408,5cyclictest141rcu_preempt20:20:203
131242499406,10cyclictest42-21ksoftirqd/323:04:343
131242499402,34cyclictest1753-21gnome-shell20:03:483
1312424994023,13cyclictest42-21ksoftirqd/322:40:593
1312419994012,14cyclictest141rcu_preempt22:24:572
131241999401,15cyclictest141rcu_preempt21:30:002
1312416994027,9cyclictest26-21ksoftirqd/100:05:011
1312416994024,12cyclictest855-21dbus-daemon22:25:001
131241699402,34cyclictest3242253-21nautilus21:55:011
131241699402,34cyclictest3242253-21nautilus21:55:011
1312416994013,11cyclictest1326154-21switchtime19:45:321
131241199409,6cyclictest1333680-21munin-run20:10:010
131241199403,6cyclictest1411745-21unin-run23:50:010
1312411994026,10cyclictest1402802-21sshd23:21:570
131242499396,9cyclictest42-21ksoftirqd/321:15:433
131242499392,33cyclictest1753-21gnome-shell22:06:233
1312424993923,12cyclictest42-21ksoftirqd/300:33:383
1312424993920,15cyclictest1333260-21users20:05:313
1312424993917,18cyclictest1422298-21sed00:15:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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