You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-25 - 07:19

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 Tue Nov 25, 2025 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18520224462202,98sleep00-21swapper19:07:580
187969916318,101cyclictest4582-21apt21:00:010
187969915919,24cyclictest27160-21apt-get20:01:250
187969915826,109cyclictest0-21swapper22:55:210
187969915818,112cyclictest3087-21apt-get20:50:170
187969915715,24cyclictest3766-21diskstats00:11:000
187969915715,100cyclictest11210-21apt-get21:40:280
187969915714,118cyclictest29682-21wc20:11:010
187969915612,119cyclictest10313-21/usr/sbin/munin21:35:140
187969915611,121cyclictest14549-21wc22:00:060
187969915610,121cyclictest26525-21munin-run23:15:010
187969915531,22cyclictest31368-21cron23:45:000
187969915518,113cyclictest19602-21munin-node19:15:060
187969915515,21cyclictest24070-21apt-get19:40:190
187969915513,121cyclictest13051-21ls21:50:220
187969915511,23cyclictest1474-21mailstats23:56:040
187969915511,121cyclictest20727-21modprobe19:20:010
187969915414,116cyclictest7093-21apt-get21:15:220
187969915412,119cyclictest1978-21cut20:40:590
187969915412,117cyclictest25758-21wc23:10:030
187969915330,102cyclictest0-21swapper19:26:010
187969915316,115cyclictest31370-21apt-get23:46:210
187969915315,96cyclictest28150-21modprobe23:25:000
187969915236,22cyclictest28483-21latency23:25:420
187969915225,100cyclictest8040-21diskstats21:20:350
187969915216,23cyclictest27160-21apt-get20:00:030
187969915214,113cyclictest26423-21cat19:55:050
187969915213,39cyclictest24983-21sort23:05:050
187969915212,118cyclictest30537-21cron23:40:010
187969915212,115cyclictest15643-21grep22:05:450
187969915210,27cyclictest856-21grep23:52:110
18796991517,120cyclictest21477-21head19:21:030
187969915139,23cyclictest5357-21apt-key00:20:120
187969915117,25cyclictest6450-21df_inode00:25:380
187969915117,24cyclictest30620-21munin-run20:20:030
187969915113,28cyclictest8079-21if_eth000:35:350
187969915113,114cyclictest23937-21modprobe19:40:010
187969915110,24cyclictest1207-21/usr/sbin/munin20:36:000
187969915033,23cyclictest3351-21munin-run00:10:010
187969915021,26cyclictest2516-21users00:01:070
187969915015,111cyclictest20441-21memory22:35:440
187969915012,26cyclictest29478-21find23:30:570
187969915011,26cyclictest17530-21grep22:16:010
18796991498,25cyclictest7319-21uname00:30:420
187969914916,24cyclictest9420-21munin-run21:30:020
187969914916,21cyclictest17801-21/usr/sbin/munin22:20:580
187969914915,23cyclictest29008-21munin-run20:10:010
187969914914,112cyclictest9985-21mailstats21:30:590
187969914913,112cyclictest2392-21df20:45:280
187969914910,101cyclictest22988-21awk19:31:020
187969914815,111cyclictest4484-21apt-get00:15:200
187969914814,108cyclictest31532-21/usr/sbin/munin20:25:330
187969914812,25cyclictest5171-21awk21:00:570
187969914811,24cyclictest31466-21sort20:25:040
187969914810,113cyclictest19399-21/usr/sbin/munin22:30:100
187969914719,26cyclictest12411-21memory21:45:530
187969914717,104cyclictest6951-21users21:11:060
187969914715,107cyclictest22614-21/usr/sbin/munin22:51:030
187969914714,107cyclictest26622-21/usr/sbin/munin23:15:500
187969914615,91cyclictest32344-21sshd20:30:220
187969914614,25cyclictest14696-21/usr/sbin/munin22:00:340
187969914518,104cyclictest5501-21apt-get21:05:190
187969914515,107cyclictest25065-21kernelversion19:45:410
187969914514,106cyclictest21817-21/usr/sbin/munin22:45:560
187969914415,104cyclictest18596-21/usr/sbin/munin22:25:350
187969914413,105cyclictest16176-21apt-get22:10:130
187969914410,26cyclictest21020-21/usr/sbin/munin22:41:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional