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2023-09-26 - 22:23

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 
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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 50 highest latencies:
System rack5slot7s.osadl.org (updated Tue Sep 26, 2023 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14099224452200,98sleep00-21swapper07:05:190
153459916414,124cyclictest5098-21cron09:20:010
153459916325,22cyclictest27887-21sh08:21:000
153459916218,119cyclictest9933-21apt-get09:50:380
153459916215,121cyclictest25003-21apt-get08:05:310
153459915919,116cyclictest32248-21memory08:46:310
153459915917,116cyclictest4935-21apt-get12:35:290
153459915917,103cyclictest19829-21apt-get10:51:320
153459915916,102cyclictest2086-21apt-get12:21:490
153459915916,101cyclictest22204-21fgrep11:01:060
153459915814,121cyclictest28844-21grep11:41:130
153459915715,25cyclictest28265-21apt-get08:26:080
153459915629,104cyclictest0-21swapper12:06:090
153459915617,113cyclictest9935-21munin-run09:50:020
153459915611,123cyclictest15745-21/usr/sbin/munin07:10:580
153459915611,118cyclictest2922-21kworker/u2:1212:35:040
153459915537,22cyclictest23654-21processes07:56:090
153459915518,24cyclictest17291-21munin-run07:20:030
153459915516,112cyclictest14988-21apt10:20:010
153459915513,30cyclictest1373-21/usr/sbin/munin12:16:040
153459915511,121cyclictest30974-21cat08:40:060
153459915442,22cyclictest1481-21/usr/sbin/munin08:55:590
153459915432,98cyclictest21479-21wc10:56:160
153459915424,103cyclictest22448-21apt-get07:50:300
153459915415,114cyclictest21122-21tr07:41:350
153459915330,20cyclictest0-21swapper12:25:380
153459915315,114cyclictest18823-21cut10:41:200
153459915312,29cyclictest6003-21wc09:25:070
153459915310,118cyclictest3858-21grep09:10:580
15345991529,118cyclictest26553-21grep08:11:150
153459915233,21cyclictest30149-21cat08:35:050
153459915219,23cyclictest682-21df12:10:360
153459915212,96cyclictest21825-21/usr/sbin/munin07:45:550
153459915210,118cyclictest7516-21sh09:35:020
153459915118,108cyclictest23687-21ntp_states11:10:570
153459915115,24cyclictest8618-21irqstats09:40:510
153459915023,20cyclictest0-21swapper12:01:000
153459915021,28cyclictest13593-21diskstats10:10:450
153459915018,28cyclictest16027-21diskstats10:25:450
153459915018,27cyclictest26849-21diskstats08:15:430
153459915012,115cyclictest24841-21wc08:05:080
153459915010,39cyclictest24540-21ps11:16:030
15345991499,25cyclictest26351-21ls11:26:120
153459914927,34cyclictest0-21swapper11:55:040
153459914917,26cyclictest16821-21df_inode10:30:400
153459914917,111cyclictest29134-21diskstats11:45:420
153459914917,110cyclictest20457-21users07:36:130
153459914916,104cyclictest18320-21diskstats07:25:450
153459914915,109cyclictest18215-21apt10:40:020
153459914915,107cyclictest6136-21diskstats09:25:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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