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2024-11-23 - 20:45

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 Sat Nov 23, 2024 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15149224462197,91sleep00-21swapper07:08:090
154019917217,126cyclictest23962-21apt-get08:00:240
154019916819,118cyclictest31307-21apt-get12:00:280
154019916618,123cyclictest23784-21munin-run08:00:030
154019916518,123cyclictest11245-21df_inode09:55:300
154019916417,102cyclictest32204-21df_inode12:05:300
154019916318,24cyclictest19171-21diskstats07:30:330
154019916239,23cyclictest23697-21missed_timers11:10:480
154019916219,115cyclictest27593-21apt-get08:20:270
154019916212,27cyclictest4369-21apt-get12:35:190
154019916212,105cyclictest18454-21unixbench_singl10:36:050
154019916117,25cyclictest12861-21df_inode10:05:300
154019916112,26cyclictest26422-21apt-get08:16:320
154019916014,24cyclictest26015-21apt-get11:30:250
154019915921,109cyclictest17010-21apt-get10:30:240
154019915916,26cyclictest30151-21/usr/sbin/munin11:55:040
154019915914,120cyclictest28421-21apt-get08:25:220
154019915913,124cyclictest15951-21cut07:11:040
154019915842,95cyclictest30929-21mailstats11:57:010
154019915840,21cyclictest25116-21kernelversion08:05:480
154019915830,111cyclictest9219-21apt-get09:46:520
154019915821,27cyclictest18118-21users07:21:070
154019915815,116cyclictest25183-21df_inode11:20:300
154019915813,120cyclictest13453-21apt-get10:11:220
154019915716,100cyclictest7497-21apt09:35:110
154019915712,29cyclictest26439-21sort08:15:060
154019915641,93cyclictest21268-21timerwakeupswit07:41:020
154019915612,119cyclictest30960-21wc08:40:050
154019915520,28cyclictest16325-21diskstats10:25:360
154019915516,111cyclictest739-21ntpq12:10:500
154019915514,45cyclictest7331-21sshd09:31:290
154019915513,24cyclictest4070-21users09:11:190
154019915412,28cyclictest22927-21head07:51:010
154019915410,25cyclictest30135-21wc08:35:040
154019915410,120cyclictest4092-21zcat12:30:590
154019915334,23cyclictest2173-21df12:20:280
154019915321,27cyclictest1238-21apt-get12:15:220
154019915316,38cyclictest27857-21/usr/sbin/munin11:40:100
154019915315,115cyclictest22470-21head11:01:050
154019915313,23cyclictest9221-21munin-run09:45:050
154019915310,23cyclictest29215-21grep11:46:020
154019915218,37cyclictest20563-21munin-run07:40:030
154019915216,96cyclictest8327-21systemd-journal11:30:010
154019915216,111cyclictest2868-21apt-get12:25:130
154019915215,25cyclictest10449-21/usr/sbin/munin09:50:390
154019915215,21cyclictest21131-21df_inode10:55:300
154019915214,25cyclictest6556-21latency_hist09:30:010
154019915211,27cyclictest8327-21systemd-journal11:40:030
154019915210,40cyclictest17346-21modprobe07:20:020
154019915132,20cyclictest16011-21sort10:21:050
154019915113,112cyclictest1852-21wc09:00:240
154019915113,112cyclictest12472-21grep10:00:590
154019915021,101cyclictest22648-21apt-get11:05:200
154019915015,21cyclictest15295-21munin-run10:20:020
154019915013,24cyclictest32688-21cstates08:50:240
154019915012,24cyclictest5590-21wc09:21:010
154019914910,116cyclictest1330-21grep08:55:540
15401991489,115cyclictest21585-21df07:45:300
154019914817,106cyclictest31827-21apt-get08:45:160
154019914732,22cyclictest24957-21munin-run11:20:030
154019914719,101cyclictest18748-21diskstats10:40:350
154019914718,27cyclictest19538-21df_inode10:45:290
154019914716,106cyclictest2823-21memory09:05:430
154019914715,110cyclictest0-21swapper08:41:020
154019914633,22cyclictest18431-21/usr/sbin/munin07:25:370
154019914616,26cyclictest4991-21cat09:20:050
154019914316,103cyclictest20334-21df_inode10:50:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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