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2024-11-24 - 07:33

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, slot #8

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.

Total number of samples: 50 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 rack9slot8s.osadl.org (updated Sun Nov 24, 2024 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818501700,0irq/46-4a10000020028-21kworker/0:019:05:430
31517996544,0cyclictest21910-21ssh23:58:280
31517996531,0cyclictest2015-21sed21:50:040
81850640,0irq/46-4a1000000-21swapper22:53:260
31517996449,0cyclictest22144-21latency_hist21:20:090
31517996445,0cyclictest28593-21apt-get00:16:120
31517996434,0cyclictest19277-21ssh22:32:130
81850630,0irq/46-4a1000000-21swapper23:14:200
81850630,0irq/46-4a1000000-21swapper23:01:360
31517996337,0cyclictest1414-21ssh23:08:030
31517996334,0cyclictest31437-21ssh00:21:400
31517996325,0cyclictest5624-21munin-run19:50:020
81950620,0irq/47-4a1000002054-21cron23:54:000
31517996249,0cyclictest81850irq/46-4a10000021:26:080
31517996246,0cyclictest8806-21ssh22:06:440
31517996246,0cyclictest6639-21apt-config19:55:130
31517996244,0cyclictest7901-21ssh22:04:390
31517996242,0cyclictest7748-21ssh23:23:370
31517996237,0cyclictest11324-21ssh23:32:200
31517996229,0cyclictest27667-21runrttasks21:33:350
81850610,0irq/46-4a1000000-21swapper22:38:580
31517996144,0cyclictest9506-21ssh23:27:530
31517996142,0cyclictest94650irq/33-mmc021:20:550
31517996142,0cyclictest18079-21ssh21:10:200
31517996141,0cyclictest16719-21sshd21:01:530
31517996140,0cyclictest30542-21apt23:00:010
31517996123,0cyclictest0-21swapper22:29:230
31517996044,0cyclictest81850irq/46-4a10000023:36:050
31517996040,0cyclictest17875-21munin-run21:10:030
31517996039,0cyclictest30283-21munin-run21:40:040
31517996036,0cyclictest3677-21ssh21:54:130
31517996034,0cyclictest12188-21cron22:15:010
31517996032,0cyclictest5515-21runrttasks23:18:080
31517996031,0cyclictest24374-21ssh00:04:350
31517996026,0cyclictest17556-21ssh23:47:470
150622606,0sleep015067-21ssh22:21:520
31517995947,0cyclictest81850irq/46-4a10000021:55:270
31517995939,0cyclictest16113-21ssh23:44:140
31517995938,0cyclictest26297-21ssh00:09:190
31517995938,0cyclictest13929-21ssh22:19:140
31517995937,0cyclictest4700-21munin-run19:45:030
31517995937,0cyclictest3552-21ssh00:33:160
31517995936,0cyclictest24754-21ssh22:45:300
31517995932,0cyclictest28516-21sshd00:14:520
31517995927,0cyclictest31029-21rm21:41:410
31517995840,0cyclictest23863-21ssh22:43:280
31517995829,0cyclictest6851-21snmpd20:13:460
31517995736,0cyclictest1731-21modprobe19:25:020
31517995732,0cyclictest32242-21munin-run19:15:040
31517995727,0cyclictest10479-21dpkg20:20:100
31517995640,0cyclictest515-21kworker/u2:419:30:020
31517995636,0cyclictest4961-21ssh00:36:500
31517995540,0cyclictest14258-21grep20:45:040
31517995538,0cyclictest8046-21munin-run20:05:010
31517995538,0cyclictest3946-21munin-run19:40:020
31517995538,0cyclictest2098-21ssh00:29:340
31517995534,0cyclictest6360-21awk19:55:010
31517995438,0cyclictest3207-21awk19:35:010
31517995433,0cyclictest8776-21munin-run20:10:020
101540,0ktimersoftd/00-21swapper20:51:030
31517995335,0cyclictest515-21kworker/u2:419:20:010
31517995333,0cyclictest2117-21sendmail-mta20:37:280
31517995332,0cyclictest10260-21munin-run20:20:020
31517995323,0cyclictest16131-21runrttasks20:58:160
101530,0ktimersoftd/00-21swapper20:27:560
31517995231,0cyclictest13759-21sshd20:41:520
31517995125,0cyclictest2020-21rs:main0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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