You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-18 - 21:28

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 #4, slot #6

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 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack4slot6s.osadl.org (updated Thu Sep 18, 2025 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
827222600,2sleep08273-21if_eth007:20:160
2994122570,3sleep029944-21latency_hist10:50:020
138522500,3sleep01388-21wc11:05:020
388721330,4chrt3889-21munin-run11:15:000
5420213018,89sleep05431-21wc07:10:010
3198721300,4chrt31986-21/usr/sbin/munin08:50:290
1481121250,3sleep014813-21cat07:45:200
923021120,4sleep09239-21df11:35:120
138282940,3sleep013901-21/usr/sbin/munin07:40:280
199252936,13sleep019966-21memory08:05:200
91762920,4sleep09242-21latency_hist09:30:020
160202830,3sleep016023-21grep09:55:210
190812825,9sleep019082-21sshd10:06:330
250922816,63sleep025126-21/usr/sbin/munin08:25:150
277492756,58sleep027792-21ps10:40:260
544799609,16cyclictest32680-21/usr/sbin/munin08:55:160
544799608,18cyclictest24862-21runrttasks12:35:230
544799607,20cyclictest13458-21chrt09:45:190
5447996025,12cyclictest7699-21sshd09:23:320
5447996012,20cyclictest31356-21df10:55:160
544799599,15cyclictest9441-21/usr/sbin/munin07:25:290
544799598,23cyclictest21200-21/usr/sbin/munin10:15:220
5447995935,16cyclictest7077-21/usr/sbin/munin07:15:190
5447995932,16cyclictest16740-21runrttasks07:52:330
5447995910,16cyclictest18244-21/usr/sbin/munin12:10:280
544799589,16cyclictest22329-21memory12:25:200
544799589,16cyclictest20857-21/usr/sbin/munin12:20:300
544799589,15cyclictest5406-21/usr/sbin/munin09:15:290
544799589,14cyclictest17180-21/usr/sbin/munin07:55:180
544799588,15cyclictest19528-21/usr/sbin/munin12:15:260
5447995834,15cyclictest30451-21/usr/sbin/munin08:45:250
5447995834,15cyclictest1766-21/usr/sbin/munin11:05:240
5447995834,14cyclictest17110-21/usr/sbin/munin12:05:200
5447995822,14cyclictest2641-21seq09:04:370
5447995820,12cyclictest14528-21cat09:50:150
5447995812,18cyclictest8493-21users11:30:290
5447995812,16cyclictest25332-21ls10:30:270
544799579,16cyclictest22412-21/usr/sbin/munin08:15:140
544799578,17cyclictest27522-21/usr/sbin/munin08:35:150
544799578,17cyclictest10984-21grep07:30:180
544799577,15cyclictest21063-21/usr/sbin/munin08:10:130
5447995734,14cyclictest23546-21/usr/sbin/munin12:30:150
5447995710,16cyclictest29429-21users08:40:310
5447995710,16cyclictest20219-21users10:10:280
5447995710,16cyclictest18491-21egrep08:00:110
247012570,5sleep024703-21sort10:30:010
544799569,18cyclictest2883-21df_inode09:05:150
544799569,16cyclictest26236-21/usr/sbin/munin08:30:280
544799568,15cyclictest4009-21/usr/sbin/munin11:15:320
544799568,15cyclictest22189-21snmpd11:50:140
544799567,16cyclictest6675-21grep11:25:160
5447995631,14cyclictest5394-21/usr/sbin/munin11:20:150
5447995626,21cyclictest17341-21ntp_states10:00:220
5447995619,11cyclictest9406-21cat09:30:190
5447995610,18cyclictest12078-21memory09:40:210
5447995610,16cyclictest16707-21rs:main0
544799559,15cyclictest279-21sshd10:51:340
544799558,18cyclictest27309-21awk10:40:000
544799558,16cyclictest15670-21grep12:00:110
544799558,15cyclictest11784-21/usr/sbin/munin11:45:300
544799558,15cyclictest10580-21/usr/sbin/munin09:35:210
544799558,14cyclictest10501-21/usr/sbin/munin11:40:250
544799549,17cyclictest23726-21df08:20:140
544799549,14cyclictest4116-21/usr/sbin/munin09:10:250
544799548,15cyclictest14355-21/usr/sbin/munin11:55:170
5447995419,23cyclictest12349-21ps07:35:240
544799538,14cyclictest5862-21/usr/sbin/munin07:10:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional