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2024-04-26 - 16:26

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #4

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 rack8slot4s.osadl.org (updated Fri Apr 26, 2024 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14858062239174,21sleep30-21swapper/307:09:373
14856322226167,19sleep60-21swapper/607:07:076
14856592225168,19sleep50-21swapper/507:07:295
14855592223168,18sleep70-21swapper/707:06:037
14833882211181,19sleep20-21swapper/207:05:102
14855332210176,22sleep10-21swapper/107:05:411
14855652209176,22sleep40-21swapper/407:06:084
14856062206161,15sleep00-21swapper/007:06:440
1486078992928,1cyclictest1602843-21sh10:35:002
1486072992725,1cyclictest0-21swapper/010:49:590
148608899260,25cyclictest1582460-21cron10:00:005
1486075992523,1cyclictest1573901-21turbostat09:45:001
1486093992422,1cyclictest1524872-21apt-get08:15:117
1486090992422,1cyclictest1530946-21munin-run08:29:596
1486090992422,1cyclictest0-21swapper/611:50:146
148609099240,23cyclictest0-21swapper/610:25:106
148608899240,22cyclictest1565732-21apt-get09:30:135
1486083992423,1cyclictest0-21swapper/408:00:004
148608299240,24cyclictest1593948-21perf10:20:003
148608299240,23cyclictest1662989-21cut12:20:013
148607299240,22cyclictest0-21swapper/012:05:010
1486093992322,1cyclictest0-21swapper/709:40:107
1486093992321,1cyclictest0-21swapper/712:10:017
1486093992321,1cyclictest0-21swapper/709:40:007
148609399230,22cyclictest1574323-21apt-get09:45:117
1486090992322,1cyclictest0-21swapper/611:30:136
1486090992321,2cyclictest0-21swapper/611:40:016
1486090992321,1cyclictest1565310-21munin-run09:29:596
148609099230,22cyclictest1548142-21tr09:00:006
148609099230,0cyclictest0-21swapper/609:00:106
1486088992321,1cyclictest0-21swapper/512:30:015
1486088992321,1cyclictest0-21swapper/510:00:125
148608899230,22cyclictest0-21swapper/509:40:105
148608899230,22cyclictest0-21swapper/508:55:005
148608899230,21cyclictest1660536-21apt-get12:15:105
148608399233,20cyclictest0-21swapper/407:15:014
1486083992321,2cyclictest1545266-21awk08:55:004
148608399230,22cyclictest0-21swapper/409:50:124
148608399230,22cyclictest0-21swapper/407:35:134
148608399230,1cyclictest1559569-21sendmail09:20:004
1486082992322,1cyclictest0-21swapper/309:05:003
1486082992321,1cyclictest1631913-21apt-get11:25:113
1486082992321,1cyclictest1507431-21apt-get07:45:133
148608299230,22cyclictest0-21swapper/312:30:103
148608299230,22cyclictest0-21swapper/309:35:003
148607899233,0cyclictest0-21swapper/211:05:112
148607899230,23cyclictest0-21swapper/207:40:102
1486075992322,1cyclictest0-21swapper/111:40:121
148607599230,22cyclictest1660536-21apt-get12:15:111
148607599230,1cyclictest1548553-21apt-get09:00:101
148607599230,1cyclictest0-21swapper/111:05:101
1486072992321,2cyclictest1531361-21apt-get08:30:080
148607299230,2cyclictest1559573-21munin-run09:20:000
148607299230,22cyclictest1556728-21awk09:15:000
148609399229,13cyclictest0-21swapper/712:04:187
1486093992222,0cyclictest0-21swapper/708:05:107
1486093992222,0cyclictest0-21swapper/707:40:097
1486093992220,1cyclictest1603266-21apt-get10:35:107
1486093992220,1cyclictest0-21swapper/707:59:597
148609399220,22cyclictest0-21swapper/710:20:117
148609399220,21cyclictest1651521-21cron12:00:017
148609399220,21cyclictest0-21swapper/709:30:147
148609399220,21cyclictest0-21swapper/708:30:087
1486090992222,0cyclictest0-21swapper/607:35:136
148609099222,19cyclictest0-21swapper/608:10:006
1486090992220,1cyclictest0-21swapper/612:00:136
1486090992220,1cyclictest0-21swapper/608:00:086
1486090992218,3cyclictest1567005-21taskset09:30:236
148609099220,22cyclictest1605712-21munin-run10:40:006
148609099220,21cyclictest1617599-21apt-get11:00:106
148609099220,21cyclictest0-21swapper/611:25:116
148609099220,21cyclictest0-21swapper/608:40:126
148609099220,1cyclictest0-21swapper/610:45:006
148609099220,1cyclictest0-21swapper/610:45:006
1486088992221,1cyclictest1489949-21apt-get07:15:125
1486088992221,1cyclictest0-21swapper/512:00:015
1486088992220,1cyclictest1515589-21munin-run08:00:005
1486088992220,1cyclictest0-21swapper/509:15:005
148608899220,22cyclictest1640076-21munin-run11:40:015
148608899220,21cyclictest1617599-21apt-get11:00:115
148608899220,21cyclictest0-21swapper/511:15:105
148608899220,21cyclictest0-21swapper/510:15:125
148608899220,1cyclictest1557130-21apt-get09:15:125
148608899220,1cyclictest0-21swapper/509:20:125
1486083992221,1cyclictest1642955-21munin-run11:45:014
1486083992221,1cyclictest0-21swapper/410:34:594
1486083992221,1cyclictest0-21swapper/407:20:024
148608399220,1cyclictest0-21swapper/412:25:024
148608399220,1cyclictest0-21swapper/412:20:004
148608399220,1cyclictest0-21swapper/408:30:084
148608399220,0cyclictest0-21swapper/408:10:104
1486082992221,1cyclictest0-21swapper/312:20:113
1486082992221,1cyclictest0-21swapper/310:45:123
148608299220,21cyclictest0-21swapper/311:40:123
148608299220,21cyclictest0-21swapper/311:30:133
148608299220,21cyclictest0-21swapper/307:25:113
148608299220,0cyclictest0-21swapper/310:40:103
148608299220,0cyclictest0-21swapper/310:40:103
1486078992222,0cyclictest0-21swapper/212:30:102
148607899220,22cyclictest1614306-21perf10:55:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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