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2024-04-20 - 10:49

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 all highest latencies:
System rack5slot7s.osadl.org (updated Sat Apr 20, 2024 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23382224452200,98sleep00-21swapper19:07:130
237419916336,19cyclictest3038-21latency_hist23:35:060
237419916313,127cyclictest6690-21grep23:55:580
237419916119,117cyclictest535-21modprobe23:20:020
237419916118,114cyclictest26205-21apt-get22:40:190
237419916010,126cyclictest31191-21cat23:10:070
237419915915,118cyclictest26507-21munin-run19:25:040
237419915913,26cyclictest13462-21munin-run00:40:020
237419915911,122cyclictest22987-21/usr/sbin/munin22:20:200
237419915814,122cyclictest5530-21apt-get20:36:140
237419915810,125cyclictest24267-21cut22:26:000
237419915717,115cyclictest26916-21diskstats19:25:530
237419915715,118cyclictest24553-21munin-node19:15:090
237419915714,117cyclictest5472-21/usr/sbin/munin23:50:210
237419915713,101cyclictest8648-21irqstats20:51:040
237419915618,114cyclictest9537-21memory20:55:520
237419915616,116cyclictest18453-21ntp_states21:50:520
237419915614,24cyclictest4277-21memory20:25:480
237419915614,23cyclictest5305-21sed23:46:080
237419915613,120cyclictest25690-21munin-run19:20:030
237419915517,25cyclictest3337-21df_inode20:20:270
237419915516,115cyclictest11825-21diskstats21:10:320
237419915515,117cyclictest10747-21grep21:01:050
237419915513,117cyclictest25696-21ntp_states22:35:540
237419915512,118cyclictest29666-21ps19:40:590
237419915512,100cyclictest31491-21df23:10:350
237419915511,40cyclictest24880-21ntpq22:30:530
237419915511,120cyclictest10004-21sort00:16:050
237419915478,54cyclictest27614-21grep22:46:090
237419915428,84cyclictest0-21swapper00:00:510
237419915426,22cyclictest14095-21cat21:25:060
237419915418,30cyclictest1719-21diskstats20:10:300
237419915415,23cyclictest3111-21apt20:20:020
237419915415,100cyclictest28044-21df22:50:350
237419915414,100cyclictest20459-21munin-run22:05:020
237419915321,27cyclictest11809-21apt-get00:28:460
237419915313,39cyclictest21351-21/usr/sbin/munin22:10:100
237419915313,26cyclictest31100-21cat19:50:550
237419915312,24cyclictest825-21wc20:05:200
237419915312,23cyclictest15996-21sort21:35:480
237419915312,23cyclictest11346-21find21:06:000
237419915310,24cyclictest32373-21sendmail-msp20:00:020
237419915228,23cyclictest0-21swapper23:40:560
237419915218,109cyclictest7379-21apt20:45:010
237419915217,108cyclictest4835-21apt-get20:30:160
237419915216,111cyclictest12309-21/usr/sbin/munin00:30:540
237419915215,24cyclictest14647-21wc21:26:030
237419915214,112cyclictest8196-21awk00:05:500
237419915210,118cyclictest16969-21grep21:41:000
237419915119,30cyclictest22261-21diskstats22:15:340
237419915114,37cyclictest9159-21awk00:11:000
237419915114,109cyclictest29650-21/usr/sbin/munin23:00:320
237419915112,115cyclictest10564-21memory00:20:440
237419915111,97cyclictest8030-21sort20:46:040
237419915017,22cyclictest13223-21munin-run21:20:030
237419915017,109cyclictest17586-21memory21:45:510
237419915016,22cyclictest32540-21ls20:00:220
237419915016,110cyclictest28539-21diskstats19:35:340
237419915010,40cyclictest29529-21sh23:00:010
237419914927,17cyclictest1550-21df23:25:270
237419914819,102cyclictest19178-21memory21:55:480
237419914818,28cyclictest20667-21diskstats22:05:320
237419914716,109cyclictest3751-21apt23:40:020
237419914715,105cyclictest27635-21apt-get19:30:260
237419914712,107cyclictest15254-21awk21:30:540
237419914511,26cyclictest30600-21timerandwakeup19:46:030
237419914510,27cyclictest650-21modprobe23:20:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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