You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-01 - 20:27

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 all highest latencies:
System rack5slot7s.osadl.org (updated Wed Jul 01, 2026 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23533224532212,98sleep00-21swapper07:09:460
236019916217,25cyclictest31178-21find11:06:020
236019916214,121cyclictest29758-21sshd07:41:120
236019916137,100cyclictest7740-21vmstat08:46:080
236019916017,24cyclictest21071-21apt-get10:12:110
236019916015,120cyclictest2990-21modprobe11:35:000
236019915817,22cyclictest9601-21munin-run09:00:030
236019915813,121cyclictest9817-21ntpq12:15:480
236019915719,110cyclictest17965-21apt-get09:50:170
236019915714,118cyclictest21073-21munin-run10:10:030
236019915711,29cyclictest31127-21awk07:50:570
236019915622,29cyclictest24609-21diskstats07:15:190
236019915612,27cyclictest5944-21mailstats11:50:560
236019915610,118cyclictest29599-21apt-get11:01:530
236019915516,116cyclictest3766-21munin-run08:25:010
236019915511,27cyclictest5874-21grep08:35:570
236019915416,115cyclictest5408-21apt11:50:000
236019915415,115cyclictest26165-21munin-run10:40:040
236019915412,23cyclictest16252-21munin-run09:40:020
236019915410,122cyclictest17164-21sshd09:45:110
236019915340,20cyclictest25444-21latency_hist10:35:040
236019915317,39cyclictest28184-21diskstats10:50:540
236019915314,117cyclictest14596-21apt-get09:30:210
236019915312,22cyclictest816-21df11:20:240
236019915312,117cyclictest9144-21wc12:10:550
236019915232,22cyclictest12714-21unixbench_singl09:16:050
236019915224,100cyclictest19584-21apt-get10:00:210
236019915217,113cyclictest27947-21apt-get07:35:390
236019915217,111cyclictest24408-21munin-node07:15:040
236019915214,115cyclictest14426-21munin-run09:30:040
236019915210,114cyclictest7921-21/usr/sbin/munin12:05:550
236019915119,106cyclictest12734-21apt-get12:35:180
236019915115,23cyclictest8566-21munin-run08:55:010
236019915114,25cyclictest2342-21df_inode08:15:260
236019915114,113cyclictest29599-21apt-get11:00:020
236019915113,26cyclictest12014-21wc12:30:230
236019915019,26cyclictest3101-21apt-get11:35:160
236019915015,48cyclictest1619-21diskstats11:25:310
236019915015,114cyclictest22898-21users10:16:100
236019915010,117cyclictest27254-21/usr/sbin/munin07:30:120
236019914921,103cyclictest1552-21diskstats08:10:340
236019914920,27cyclictest26460-21apt-get07:25:230
236019914919,105cyclictest25666-21apt-get07:20:180
236019914917,38cyclictest7008-21munin-run12:00:020
236019914914,112cyclictest3967-21df08:25:270
236019914819,27cyclictest17025-21users09:41:050
236019914815,26cyclictest6277-21/usr/sbin/munin08:40:420
236019914815,26cyclictest32305-21/usr/sbin/munin08:00:420
236019914811,100cyclictest11193-21sshd09:09:230
236019914721,28cyclictest758-21diskstats08:05:370
236019914720,99cyclictest7130-21apt-get12:00:180
236019914718,25cyclictest18872-21diskstats09:55:330
236019914674,49cyclictest10557-21sort12:20:410
236019914618,104cyclictest29900-21apt-get07:45:190
236019914617,108cyclictest593-21munin-run11:20:020
236019914616,25cyclictest12937-21/usr/sbin/munin09:20:420
236019914615,110cyclictest4614-21apt11:45:010
236019914611,30cyclictest23074-21munin-node10:20:110
236019914611,23cyclictest31543-21/usr/sbin/munin11:10:350
236019914611,113cyclictest24559-21kworker/u2:1110:30:000
236019914512,108cyclictest27080-21/usr/sbin/munin10:46:030
236019914415,25cyclictest9723-21apt-get09:00:130
236019914415,106cyclictest26284-21/usr/sbin/munin10:40:200
236019914317,104cyclictest4769-21df_inode08:30:320
236019914315,24cyclictest31596-21diskstats07:55:340
236019914315,103cyclictest11310-21apt-get09:10:180
236019914311,110cyclictest11833-21munin-plugin-st12:30:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional