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2023-09-30 - 12:41

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 
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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 highest latencies:
System rack9slot8s.osadl.org (updated Sat Sep 30, 2023 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
350501870,0irq/20-4900000012445-21kworker/0:119:06:560
13756999573,0cyclictest20477-21ssh22:01:190
13756999460,0cyclictest28227-21ssh22:20:350
13756999370,0cyclictest27524-21ssh22:19:240
13756999363,0cyclictest2359-21ssh22:37:090
13756999362,0cyclictest28261-21kworker/u2:121:18:150
13756999273,0cyclictest13416-21ssh21:43:120
13756999269,0cyclictest4806-21ssh21:21:080
13756999259,0cyclictest32415-21sshd22:31:150
13756999174,0cyclictest13554-21munin-run23:05:020
13756999173,0cyclictest6264-21apt-get21:25:440
13756999173,0cyclictest14482-21ssh23:07:110
13756999167,0cyclictest7965-21ssh00:11:450
13756999154,0cyclictest32555-21diskmemload00:05:020
13756999070,0cyclictest16407-21munin-run19:25:030
13756999068,0cyclictest31472-21ssh23:49:220
13756999068,0cyclictest21216-21apt19:55:010
13756999067,0cyclictest9405-21munin-run22:55:020
13756999066,0cyclictest30847-21ssh22:27:260
13756999060,0cyclictest25871-21sshd23:35:150
13756999057,0cyclictest32657-21ssh23:52:080
13756998972,0cyclictest25696-21munin-run23:35:020
13756998971,0cyclictest339-21apt-config21:10:160
13756998970,0cyclictest9953-21ssh21:34:310
13756998970,0cyclictest21534-21ssh23:24:360
13756998968,0cyclictest9635-21ssh22:55:210
13756998965,0cyclictest24011-21ssh22:10:200
13756998964,0cyclictest19274-21ssh23:19:090
13756998956,0cyclictest5826-21ssh22:45:450
13756998956,0cyclictest11328-21ssh00:20:240
13756998955,0cyclictest10480-21ssh21:35:200
13756998951,0cyclictest2280-21runrttasks19:30:390
13756998948,0cyclictest28463-21ssh23:41:440
13756998870,0cyclictest32555-21diskmemload22:07:100
13756998869,0cyclictest10489-21ssh00:18:300
13756998868,0cyclictest6117-21ssh00:06:590
13756998866,0cyclictest32007-21runrttasks21:05:430
13756998865,0cyclictest13005-21apt-get00:25:400
13756998864,0cyclictest18330-21ssh21:55:420
13756998857,0cyclictest15306-21ssh00:30:430
13756998763,0cyclictest2098-21ssh23:56:440
13756998756,0cyclictest32555-21diskmemload00:37:350
13756998756,0cyclictest14557-21ssh21:45:570
13756998670,0cyclictest2280-21runrttasks21:52:100
13756998664,0cyclictest16009-21ssh23:10:490
13756998653,0cyclictest1205-21systemd-journal19:35:480
13756998564,0cyclictest31620-21apt-get21:05:030
13756998564,0cyclictest25579-21sshd20:24:140
13756998564,0cyclictest22940-21ssh23:28:000
13756998464,0cyclictest14919-21apt19:15:150
13756998365,0cyclictest30871-21munin-run21:00:020
13756998365,0cyclictest27906-21munin-run20:40:020
13756998365,0cyclictest19586-21seq19:43:490
13756998363,0cyclictest4608-21ssh22:42:430
13756998358,0cyclictest24962-21sendmail-msp20:20:010
13756998264,0cyclictest17140-21munin-run19:30:010
13756998264,0cyclictest14477-21latency_hist19:15:010
13756998262,0cyclictest27162-21munin-run20:35:010
13756998261,0cyclictest26425-21apt20:30:010
13756998257,0cyclictest81950irq/47-4a10000019:55:140
13756998164,0cyclictest22747-21latency_hist20:05:030
13756998164,0cyclictest20485-21munin-run19:50:020
13756998163,0cyclictest29762-21sshd20:52:140
13756998162,0cyclictest23452-21munin-run20:10:030
13756998159,0cyclictest28546-21sshd20:44:150
13756998063,0cyclictest2245-21snmpd20:48:560
13756997959,0cyclictest23579-21sshd20:10:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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