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2024-05-30 - 01:57

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 highest latencies:
System rack5slot7s.osadl.org (updated Wed May 29, 2024 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5341224202192,87sleep00-21swapper07:06:420
57589916314,25cyclictest5385-21awk10:16:150
57589916215,27cyclictest19993-21apt-get08:36:160
57589916214,123cyclictest20935-21apt-get11:56:120
57589916124,112cyclictest15501-21systemd-journal09:37:270
57589916118,117cyclictest23432-21apt-get08:56:390
57589916114,121cyclictest7135-21users10:26:200
57589916018,117cyclictest15261-21munin-run11:20:030
57589915916,117cyclictest32362-21df09:45:290
57589915914,26cyclictest7876-21snmpd12:20:030
57589915816,39cyclictest3718-21apt-get10:11:250
57589915812,124cyclictest10913-21grep10:51:030
57589915811,120cyclictest8581-21cat07:25:060
57589915716,117cyclictest10322-21diskstats07:35:380
57589915714,101cyclictest15947-21awk08:06:130
57589915714,100cyclictest15481-21df11:20:280
57589915710,121cyclictest6659-21munin-node09:15:120
5758991569,122cyclictest14474-21latency_hist11:15:040
57589915616,30cyclictest29050-21/usr/sbin/munin09:25:110
57589915615,115cyclictest808-21cat09:50:470
57589915612,26cyclictest23206-21ntpq12:05:580
57589915611,120cyclictest27809-21df_inode12:35:290
57589915610,120cyclictest13142-21grep07:50:590
57589915532,22cyclictest14172-21/usr/sbin/munin07:56:060
57589915517,114cyclictest9699-21apt-get10:45:120
57589915515,25cyclictest11854-21apt-get07:45:230
57589915514,98cyclictest2105-21munin-run10:00:020
57589915513,119cyclictest7918-21unixbench_singl10:31:130
57589915513,116cyclictest22096-21apt-get12:00:120
57589915415,23cyclictest24594-21apt-get09:00:290
57589915415,117cyclictest13570-21head11:06:150
57589915415,115cyclictest3676-21users10:06:130
57589915415,100cyclictest27017-21diskstats12:30:330
57589915414,118cyclictest18608-21df_inode08:25:290
57589915413,40cyclictest6483-21head07:11:140
57589915412,116cyclictest18117-21awk11:35:550
57589915315,115cyclictest7702-21munin-run07:20:030
57589915225,23cyclictest0-21swapper10:00:210
57589915223,28cyclictest8899-21apt-get10:40:250
57589915220,28cyclictest11035-21apt-get07:40:220
57589915216,113cyclictest28060-21apt-get09:20:380
57589915213,23cyclictest24386-21munin-run12:15:020
57589915213,113cyclictest8779-21munin-run10:40:030
57589915117,36cyclictest16971-21df08:15:300
57589915116,109cyclictest19295-21/usr/sbin/munin08:30:390
57589915115,24cyclictest14584-21df_inode08:00:280
57589915112,39cyclictest20934-21latency_hist11:55:010
57589915112,22cyclictest12092-21ls11:00:050
57589915110,119cyclictest21721-21grep08:41:110
57589915022,28cyclictest19442-21apt-get11:45:230
57589915020,28cyclictest17704-21apt-get08:20:250
57589915015,23cyclictest4927-21sendmail-mta08:11:020
57589915014,23cyclictest5791-21df_inode10:20:330
57589914934,19cyclictest22042-21df08:45:290
57589914916,25cyclictest31567-21df09:40:310
57589914914,25cyclictest16177-21/usr/sbin/munin11:25:280
57589914912,42cyclictest23363-21unixbench_singl08:51:090
5758991489,38cyclictest9381-21sort07:30:050
57589914817,23cyclictest26426-21memory09:10:490
57589914816,103cyclictest25634-21ntp_states12:20:580
57589914718,25cyclictest26211-21df12:25:280
57589914714,109cyclictest17077-21df11:30:280
57589914711,112cyclictest25812-21fgrep09:06:040
57589914710,28cyclictest29949-21sshd09:30:290
57589914632,19cyclictest0-21swapper11:00:240
57589914612,27cyclictest18964-21ntpq11:41:000
57589914512,111cyclictest10110-21munin-plugin-st07:35:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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