You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-16 - 21:55

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 Thu Apr 16, 2026 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22473224422185,99sleep00-21swapper07:08:160
227139916318,120cyclictest14726-21apt-get09:35:170
227139916316,31cyclictest6075-21df_inode12:00:300
227139916218,25cyclictest22223-21df10:20:220
227139916214,122cyclictest9061-21apt-get12:21:290
227139916027,19cyclictest0-21swapper08:05:570
227139916017,27cyclictest8506-21apt-get08:57:020
227139915917,24cyclictest4465-21munin-run08:35:000
227139915828,102cyclictest26366-21apt-get07:30:190
227139915820,37cyclictest3502-21grep08:26:000
227139915816,100cyclictest1141-21apt-get11:30:130
227139915715,117cyclictest248-21rs:main0
227139915714,26cyclictest11636-21find09:15:580
227139915712,26cyclictest3650-21/usr/sbin/munin11:45:250
227139915623,103cyclictest32121-21diskstats11:20:330
227139915516,38cyclictest31257-21users07:56:080
227139915516,118cyclictest27272-21/usr/sbin/munin07:35:310
227139915436,96cyclictest13214-21sshd09:26:130
227139915416,23cyclictest28679-21apt-get07:46:250
22713991539,116cyclictest31426-21grep11:15:530
227139915333,20cyclictest4598-21ls11:50:450
227139915317,37cyclictest2063-21munin-run08:20:020
227139915317,29cyclictest25570-21apt-get07:25:160
227139915317,110cyclictest2760-21apt-get11:40:210
227139915315,25cyclictest7670-21munin-run08:55:020
227139915315,100cyclictest30046-21munin-run11:10:030
227139915314,38cyclictest25220-21apt10:40:010
227139915310,26cyclictest15972-21sort09:40:530
227139915310,118cyclictest1083-21sort08:11:000
227139915240,91cyclictest31690-21missed_timers08:00:460
227139915214,37cyclictest11268-21cat12:30:450
227139915213,26cyclictest14558-21munin-run09:35:030
227139915212,95cyclictest7501-21wc12:10:040
227139915212,28cyclictest4863-21ntpq08:35:500
227139915211,117cyclictest9140-21cat12:20:080
227139915210,30cyclictest17947-21/usr/sbin/munin09:51:020
227139915120,29cyclictest30460-21diskstats11:11:020
227139915119,22cyclictest28682-21munin-run07:45:040
227139915119,106cyclictest10214-21apt-get12:25:230
227139915115,26cyclictest25016-21memory07:20:420
227139915115,113cyclictest22004-21munin-run10:20:030
227139915112,116cyclictest18788-21munin-run10:00:020
227139915020,102cyclictest338-21apt-get11:25:220
227139915020,102cyclictest23519-21munin-node07:15:110
227139915017,24cyclictest23519-21munin-node07:15:090
227139915017,22cyclictest27847-21diskstats10:55:340
227139915016,25cyclictest30124-21ntp_states07:50:590
227139915012,38cyclictest8824-21/usr/sbin/munin09:01:120
227139915010,115cyclictest16765-21sort09:45:450
22713991499,118cyclictest5678-21threads11:56:020
227139914918,26cyclictest26141-21apt-get10:45:170
227139914917,109cyclictest2639-21munin-run11:40:020
227139914915,111cyclictest20607-21df_inode10:10:300
227139914912,39cyclictest12566-21wc09:20:590
227139914819,29cyclictest25346-21apt-get10:40:210
227139914816,24cyclictest10298-21sshd09:09:130
227139914813,98cyclictest19327-21zcat10:00:540
227139914812,24cyclictest27546-21grep10:51:040
227139914811,112cyclictest5390-21apt-get08:40:130
22713991479,40cyclictest23569-21sed10:26:030
227139914722,98cyclictest23726-21apt-get10:30:210
227139914712,31cyclictest10414-21apt-get09:10:210
227139914712,111cyclictest7617-21cstates12:10:200
227139914620,26cyclictest6423-21memory08:45:460
227139914611,26cyclictest2518-21/usr/sbin/munin08:20:530
227139914514,20cyclictest28620-21awk11:00:240
227139914413,24cyclictest20021-21ntp_states10:05:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional