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2024-04-26 - 06:20

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 50 highest latencies:
System rack5slot7s.osadl.org (updated Fri Apr 26, 2024 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31587224492199,87sleep00-21swapper19:07:380
319059916418,102cyclictest13452-21df_inode23:50:390
319059916314,25cyclictest15084-21apt-get20:46:320
319059916215,122cyclictest9957-21awk20:10:560
319059916114,123cyclictest16643-21apt-get00:10:150
319059916112,124cyclictest25059-21cat21:45:070
319059916111,124cyclictest5161-21fgrep19:40:590
319059915817,40cyclictest4616-21munin-run19:40:030
31905991579,36cyclictest20122-21sh21:15:010
319059915716,25cyclictest10344-21wc23:30:570
319059915715,100cyclictest13091-21munin-run23:50:010
319059915714,27cyclictest16549-21ls00:10:050
319059915712,30cyclictest7452-21munin-plugin-st23:15:010
319059915619,28cyclictest22971-21ntp_states21:30:540
319059915610,26cyclictest19539-21sshd00:25:500
319059915514,26cyclictest16869-21users20:51:160
319059915514,101cyclictest11479-21munin-run23:40:030
319059915512,29cyclictest11038-21modprobe20:20:010
319059915510,41cyclictest6032-21cstates23:05:320
319059915423,35cyclictest12242-21grep23:41:080
319059915417,25cyclictest6330-21apt-get19:50:160
319059915417,24cyclictest2543-21df22:45:350
319059915411,24cyclictest25344-21wc21:45:530
319059915411,118cyclictest4378-21ls22:55:500
319059915410,42cyclictest18954-21cut00:20:590
319059915327,104cyclictest0-21swapper22:20:440
319059915316,112cyclictest5312-21irqstats23:01:080
319059915316,111cyclictest29557-21awk22:11:000
319059915313,28cyclictest9160-21latency_hist23:25:070
319059915231,22cyclictest0-21swapper21:50:380
319059915228,20cyclictest1714-21latency22:40:450
319059915222,28cyclictest17834-21apt-get21:00:230
319059915218,111cyclictest3483-21irqstats22:50:500
319059915211,28cyclictest31819-21grep22:25:520
319059915211,118cyclictest14917-21cat00:00:000
319059915211,112cyclictest15138-21df00:00:250
319059915210,42cyclictest20542-21cut00:31:030
31905991519,118cyclictest1080-21grep22:35:570
31905991519,117cyclictest8234-21ntpq20:00:480
319059915131,100cyclictest0-21swapper22:06:070
319059915115,25cyclictest7223-21df19:55:260
319059915115,24cyclictest6207-21sshd19:47:520
319059915115,112cyclictest30127-21memory22:15:500
319059915114,23cyclictest14631-21memory20:40:510
319059915112,27cyclictest21547-21mailstats21:21:020
319059915112,22cyclictest12278-21grep20:25:530
319059915112,110cyclictest2609-21ntpq19:25:520
319059915110,116cyclictest627-21cat22:35:060
319059915036,93cyclictest26748-21cstates21:55:240
319059915021,28cyclictest1515-21apt-get19:20:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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