You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-24 - 22:52

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 100 highest latencies:
System rack5slot7s.osadl.org (updated Fri Apr 24, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21684224282197,87sleep00-21swapper07:09:080
218279916213,124cyclictest18714-21tr10:05:470
218279916113,30cyclictest1496-21sed11:36:090
218279916111,27cyclictest1471-21/usr/sbin/munin08:20:340
218279916029,36cyclictest0-21swapper12:21:020
218279916022,30cyclictest23246-21apt-get10:35:210
218279916016,119cyclictest7195-21apt-get12:15:460
218279916015,99cyclictest22730-21munin-node10:30:100
218279915922,24cyclictest10051-21df12:30:260
218279915918,118cyclictest25582-21df07:30:260
218279915913,104cyclictest20957-21df10:20:260
218279915818,113cyclictest10982-21apt-get09:20:160
218279915816,118cyclictest28744-21apt-get07:50:250
218279915721,108cyclictest26453-21apt-get10:55:180
218279915717,24cyclictest11448-21munin-run12:40:010
218279915712,120cyclictest30306-21awk11:15:530
218279915528,34cyclictest0-21swapper07:35:550
218279915514,118cyclictest17516-21munin-run10:00:020
218279915416,35cyclictest28308-21apt-get11:05:260
218279915415,116cyclictest2238-21df08:25:270
218279915415,115cyclictest20125-21df_inode10:15:250
218279915415,113cyclictest22360-21latency_hist10:30:040
218279915414,116cyclictest1218-21apt08:20:020
218279915315,114cyclictest17947-21grep10:00:550
218279915221,104cyclictest3949-21users11:51:050
218279915219,27cyclictest10262-21diskstats09:15:330
218279915218,27cyclictest1802-21df11:40:250
218279915218,110cyclictest23299-21memory07:16:010
218279915215,113cyclictest32350-21apt-get11:30:230
218279915213,115cyclictest13673-21awk09:35:480
218279915210,24cyclictest4513-21find11:55:560
21827991519,119cyclictest7067-21sort12:11:020
218279915128,105cyclictest16822-1kworker/u3:207:40:130
218279915117,97cyclictest24522-21head07:21:030
218279915116,107cyclictest27895-21apt-get07:45:160
218279915115,23cyclictest15091-21df09:45:260
218279915115,22cyclictest27297-21apt-get11:00:280
218279915113,24cyclictest30337-21head07:56:090
218279915112,115cyclictest21921-21/usr/sbin/munin07:11:010
218279915021,28cyclictest7762-21apt-get09:00:200
218279915019,25cyclictest25036-21irqstats10:45:390
218279915014,113cyclictest31506-21sort11:25:050
218279915013,114cyclictest8975-21zcat09:05:560
218279914923,31cyclictest0-21swapper08:56:020
218279914915,30cyclictest383-21/usr/sbin/munin08:11:160
218279914912,24cyclictest5015-21df_inode12:00:260
218279914911,115cyclictest3590-21users08:31:040
218279914815,112cyclictest12316-21grep09:26:000
218279914811,98cyclictest29518-21grep11:10:540
218279914811,113cyclictest6146-21awk12:05:550
218279914811,112cyclictest3726-21/usr/sbin/munin08:35:500
218279914810,117cyclictest30955-21grep08:00:540
218279914720,27cyclictest12573-21apt-get09:30:200
218279914720,25cyclictest9396-21memory12:25:430
218279914719,28cyclictest31632-21diskstats11:25:310
218279914719,103cyclictest4649-21df08:40:260
218279914715,28cyclictest19328-21df10:10:270
21827991469,112cyclictest24494-21fgrep10:40:550
218279914632,94cyclictest15883-21df09:50:240
218279914614,108cyclictest6679-21awk08:50:580
218279914612,111cyclictest24753-21cstates07:25:210
218279914514,24cyclictest9455-21df09:10:250
218279914513,106cyclictest5346-21apt-get08:45:200
218279914512,27cyclictest25654-21/usr/sbin/munin10:51:060
218279914416,104cyclictest2611-21diskstats11:45:340
218279914414,90cyclictest14839-21head09:41:030
218279914414,19cyclictest248-21rs:main0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional