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2024-09-01 - 00:49

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, 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.

Total number of samples: 50.5 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 rack5slot7s.osadl.org (updated Sat Aug 31, 2024 12:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15191224442200,97sleep00-21swapper07:09:350
152829916516,126cyclictest32282-21apt-get12:10:370
152829916318,25cyclictest1140-21munin-run09:00:020
152829916217,104cyclictest18912-21apt-get10:51:380
152829916215,120cyclictest28233-21/usr/sbin/munin11:42:120
152829916116,102cyclictest31088-21apt-get08:45:260
152829916111,124cyclictest21728-21/usr/sbin/munin07:51:190
152829916013,123cyclictest20975-21df_inode11:00:280
152829915918,117cyclictest27617-21apt-get08:25:130
152829915916,39cyclictest27212-21munin-run11:40:030
152829915783,51cyclictest16091-21munin-node07:15:060
152829915715,118cyclictest22813-21awk07:55:490
152829915713,120cyclictest1720-21cut09:00:580
152829915614,119cyclictest26608-21apt-get08:20:170
152829915613,31cyclictest21257-21kworker/u2:1607:46:550
152829915514,114cyclictest10535-21grep09:55:560
152829915513,116cyclictest11644-21munin-plugin-st10:05:010
152829915417,99cyclictest29133-21latency_hist08:35:050
152829915415,25cyclictest31696-21diskstats12:05:310
152829915415,115cyclictest20022-21cat07:40:350
152829915414,117cyclictest14479-21awk10:20:490
152829915333,98cyclictest30425-21mailstats11:55:580
152829915318,22cyclictest17289-21munin-run10:40:020
152829915317,28cyclictest32205-21diskstats08:50:400
152829915317,112cyclictest21775-21df_inode11:05:280
152829915316,95cyclictest29110-21apt-get08:36:190
152829915316,24cyclictest7824-21df_inode09:40:290
152829915311,25cyclictest28565-21wc11:45:470
152829915274,54cyclictest22891-21find11:10:550
152829915238,23cyclictest23426-21cstates08:00:250
152829915230,105cyclictest19644-1kworker/u3:610:55:180
152829915226,22cyclictest7876-21snmpd10:45:540
152829915220,28cyclictest16680-21apt-get07:20:170
152829915217,28cyclictest4494-21/usr/sbin/munin09:21:020
152829915217,26cyclictest25219-21ntp_states11:25:500
152829915214,32cyclictest25855-21sshd08:15:290
152829915213,113cyclictest13645-21/usr/sbin/munin10:15:480
15282991518,119cyclictest29897-21cat11:55:040
152829915124,34cyclictest0-21swapper09:15:140
152829915116,112cyclictest4900-21munin-run12:40:020
152829915115,112cyclictest6995-21df_inode09:35:290
152829915115,111cyclictest9422-21df_inode09:50:280
152829915112,39cyclictest8883-21wc09:45:550
152829915112,26cyclictest959-21apt-get12:15:220
152829915112,101cyclictest19140-21wc07:35:220
15282991509,42cyclictest5660-21wc09:25:550
152829915016,96cyclictest0-21swapper10:30:010
152829915016,50cyclictest6525-21/usr/sbin/munin09:30:550
152829915016,28cyclictest30780-21/usr/sbin/munin12:00:540
152829915013,27cyclictest2056-21/usr/sbin/munin09:05:310
152829915011,24cyclictest3496-21df_inode12:30:280
152829914932,94cyclictest1800-21wc12:20:220
152829914929,19cyclictest0-21swapper11:15:560
152829914921,26cyclictest11843-21df10:05:230
152829914919,27cyclictest17516-21df_inode10:40:280
152829914918,27cyclictest24323-21irqstats08:05:380
152829914916,94cyclictest30968-21munin-run08:45:030
152829914912,97cyclictest18384-21/usr/sbin/munin07:30:290
152829914910,25cyclictest3099-21grep12:25:590
152829914817,107cyclictest16560-21munin-run07:20:020
152829914812,110cyclictest26397-21modprobe11:35:000
152829914810,115cyclictest17489-21wc07:25:210
152829914731,19cyclictest0-21swapper09:10:500
152829914718,20cyclictest25060-21df_inode08:10:310
152829914710,116cyclictest16479-21munin-run10:35:010
152829914613,26cyclictest24101-21/usr/sbin/munin11:20:330
152829914612,110cyclictest12542-21/usr/sbin/munin10:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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