You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-05 - 00:32

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 792 highest latencies:
System rack4slot6s.osadl.org (updated Mon May 04, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2712222420,2sleep027120-21ps09:00:240
109221330,2sleep01089-21ps09:25:240
97321150,3chrt972-21/usr/sbin/munin07:20:120
875821150,2sleep08759-21mailstats12:00:240
2930621150,4chrt29309-21load11:15:180
1137721150,4sleep011418-21memory08:00:180
2127021140,4chrt21269-21munin-run10:45:000
1751221120,4sleep017562-21df10:30:100
1403721120,4sleep014036-21wc10:15:260
607421070,5sleep06151-21mailstats11:50:260
1376321020,4sleep013767-21sshd12:20:210
2939321010,3sleep029447-21/usr/sbin/munin09:10:160
155682960,3sleep015638-21timerwakeupswit08:15:270
178002930,4sleep017829-21irqstats08:25:150
120292930,3sleep012065-21date12:15:020
29792880,3sleep02998-21sendmail11:40:000
36262850,3sleep03660-21/usr/sbin/munin07:30:170
265322850,2sleep026533-21latency_hist11:05:020
85012810,4sleep08534-21latency_hist07:50:000
50952810,3sleep05171-21timerwakeupswit09:40:280
3062427822,31sleep030651-21munin-run07:10:020
192572786,60sleep019255-21ntp_states08:30:220
30672996422,14cyclictest12635-21sshd10:10:230
173582634,47sleep00-21swapper08:23:230
30672996136,16cyclictest25742-21/usr/sbin/munin08:55:240
30672995935,16cyclictest5027-21/usr/sbin/munin07:35:200
30672995935,15cyclictest12242-21/usr/sbin/munin12:15:150
30672995931,19cyclictest87-21jbd2/mmcblk0p1-08:45:250
30672995927,22cyclictest7963-21runrttasks11:58:300
3067299589,16cyclictest15925-21munin-run12:29:590
30672995834,15cyclictest28205-21/usr/sbin/munin09:05:190
30672995829,21cyclictest7278-21/usr/sbin/munin09:50:160
30672995811,15cyclictest6039-21irqstats09:45:160
30672995810,19cyclictest11126-21seq10:05:130
3067299579,15cyclictest818-21ntpq11:30:210
3067299578,16cyclictest24389-21awk08:50:170
3067299578,15cyclictest16046-21/usr/sbin/munin12:30:140
3067299577,18cyclictest23954-21/usr/sbin/munin10:55:250
30672995734,14cyclictest21640-21/usr/sbin/munin10:45:210
30672995733,17cyclictest17947-21runrttasks12:35:350
30672995733,16cyclictest22736-21runrttasks08:45:010
30672995732,16cyclictest3417-21/usr/sbin/munin11:40:180
30672995729,18cyclictest0-21swapper07:10:100
30672995713,15cyclictest276-21runrttasks07:51:160
30672995710,15cyclictest2068-21df09:30:110
3067299569,16cyclictest9593-21/usr/sbin/munin12:05:130
3067299569,16cyclictest18937-21/usr/sbin/munin10:35:160
3067299569,15cyclictest22670-21/usr/sbin/munin10:50:140
3067299568,17cyclictest8755-21ntp_states09:55:220
3067299567,16cyclictest31914-21/usr/sbin/munin09:20:280
30672995632,17cyclictest21343-21runrttasks08:39:300
30672995630,15cyclictest4760-21/usr/sbin/munin11:45:250
3067299558,15cyclictest27837-21/usr/sbin/munin11:10:250
3067299558,15cyclictest26746-21memory11:05:200
3067299558,15cyclictest16516-21ntp_states10:25:230
3067299558,14cyclictest30591-21/usr/sbin/munin09:15:260
30672995532,15cyclictest12772-21/usr/sbin/munin08:05:190
30672995531,15cyclictest32388-21/usr/sbin/munin07:15:250
30672995530,16cyclictest30670-21/usr/sbin/munin11:20:200
30672995510,13cyclictest15831-21seq10:22:470
3067299549,15cyclictest10062-21irqstats07:55:150
3067299548,19cyclictest10260-21wc10:00:270
3067299548,15cyclictest6261-21memory07:40:180
3067299547,15cyclictest3590-21ntp_states09:35:210
3067299546,14cyclictest33272chrt07:29:510
30672995432,15cyclictest32404-21runrttasks11:26:030
30672995331,14cyclictest13910-21/usr/sbin/munin08:10:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional