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2024-06-16 - 11:02

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 792 highest latencies:
System rack5slot7s.osadl.org (updated Sun Jun 16, 2024 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32749224462208,89sleep00-21swapper19:05:090
15589916718,107cyclictest5645-21apt-get22:51:540
15589916117,118cyclictest23815-21apt00:40:000
15589916114,121cyclictest19788-21munin-run00:15:000
15589916113,123cyclictest10803-21apt20:05:010
15589916021,108cyclictest29182-21apt-get21:55:350
15589916016,119cyclictest32531-21sort22:15:050
15589916012,121cyclictest3732-21awk22:35:590
15589915913,121cyclictest8698-21memory19:50:490
15589915814,27cyclictest17369-21munin-run00:00:020
15589915720,110cyclictest6728-21munin-run19:40:030
15589915719,25cyclictest9194-21apt-get23:10:200
15589915715,119cyclictest30852-21apt22:05:010
15589915712,41cyclictest29073-21cat21:55:080
15589915618,99cyclictest7957-21ntp_states19:45:570
15589915618,24cyclictest17561-21irqstats20:45:390
15589915617,42cyclictest22489-21irqstats00:30:400
15589915617,116cyclictest13921-21apt23:40:010
15589915614,30cyclictest16536-21sshd23:51:380
15589915539,96cyclictest18221-21latency_hist00:05:040
15589915538,23cyclictest9499-21latency19:55:420
15589915519,108cyclictest8637-21memory23:05:470
15589915516,110cyclictest2789-21apt-get19:15:340
15589915514,30cyclictest13117-21latency_hist23:35:000
15589915513,117cyclictest2358-21munin-setwarn19:15:020
15589915511,41cyclictest13586-21grep20:20:440
1558991546,122cyclictest23140-21systemctl21:20:000
15589915418,24cyclictest1891-21irqstats22:25:410
15589915414,22cyclictest13921-21apt-get23:40:390
15589915414,115cyclictest18215-21apt-get20:50:250
15589915413,116cyclictest28126-21grep21:46:110
15589915412,27cyclictest12159-21sendmail_mailqu20:11:100
15589915412,119cyclictest23134-21apt-get21:20:400
15589915412,101cyclictest12050-21wc23:25:590
15589915411,118cyclictest21355-21switchtime21:06:060
15589915410,122cyclictest19918-21munin-run21:00:020
15589915320,30cyclictest8254-21users23:01:170
15589915316,21cyclictest21760-21memory00:25:440
15589915313,24cyclictest5647-21munin-run22:50:020
15589915312,117cyclictest26247-21wc21:35:580
15589915312,103cyclictest27175-21sendmail_mailtr21:41:010
15589915236,22cyclictest20602-21munin-run00:20:010
15589915218,97cyclictest15359-21ntpq23:45:580
15589915218,106cyclictest21628-21apt-get21:10:170
15589915211,25cyclictest10568-21timerwakeupswit23:16:090
15589915210,118cyclictest5804-21ls19:31:100
15589915120,102cyclictest922-21apt-get22:20:220
15589915114,25cyclictest6986-21/usr/sbin/munin19:40:390
15589915113,37cyclictest4228-21wc22:40:250
15589915113,21cyclictest3628-21apt-get19:20:120
15589915026,99cyclictest16877-21grep20:40:580
15589915020,29cyclictest11011-21df_inode20:05:330
15589915017,108cyclictest10997-21irqstats23:20:380
15589915012,27cyclictest4798-21wc19:26:000
15589915012,114cyclictest14348-21irqstats20:25:390
15589914943,86cyclictest20115-21cstates21:00:250
15589914930,99cyclictest7117-21/usr/sbin/munin22:56:040
15589914919,24cyclictest20722-21apt-get00:20:180
15589914915,26cyclictest2622-21df22:30:240
15589914915,23cyclictest18461-21irqstats00:05:420
15589914914,110cyclictest13239-21munin-plugin-st20:20:010
15589914912,27cyclictest16415-21sed20:36:070
15589914912,112cyclictest25497-21awk21:30:590
15589914815,107cyclictest14970-21/usr/sbin/munin20:30:370
15589914812,23cyclictest24291-21apt-get21:25:200
15589914811,22cyclictest801-21run-parts22:20:010
15589914715,23cyclictest31260-21/usr/sbin/munin22:05:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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