You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-12 - 23:26

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 Fri Jun 12, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2687422670,2sleep026872-21latency_hist11:05:000
3101022540,3sleep031009-21wc11:20:180
3262321220,3chrt32618-21ntp_states09:20:240
287621220,4chrt2874-21mailstats09:30:260
401121190,3chrt4013-21if_eth007:30:170
1505821170,3chrt15051-21/usr/sbin/munin12:25:000
991621160,4chrt9911-21latency_hist12:05:010
3220421140,2sleep032205-21grep09:20:010
498421070,2sleep04982-21irqstats11:45:150
65372978,13sleep06540-21df_inode07:40:150
102572920,2sleep010255-21latency_hist07:55:010
52362910,4sleep05244-21/usr/sbin/munin07:35:170
78132896,10sleep07819-21df_inode07:45:130
207792886,66sleep020800-21ntp_states10:40:200
139252880,2sleep013993-21sed10:15:020
192662854,8sleep019272-21entropy10:35:140
179812820,5sleep018021-21latency_hist08:25:020
3016428023,33sleep030168-21ntp_states07:05:210
324312757,55sleep032429-21ntp_states11:25:220
31076997432,18cyclictest10623-21/usr/sbin/munin10:00:260
219882736,54sleep021990-21memory10:45:180
136312623,8sleep00-21swapper12:19:140
31076996110,17cyclictest24540-21/usr/sbin/munin08:50:310
31076996030,21cyclictest2392-21irqstats11:35:150
31076996010,16cyclictest18096-21/usr/sbin/munin08:25:170
3107699597,24cyclictest288-21snmpd10:34:450
31076995923,12cyclictest27223-21ntp_kernel_pll_11:05:170
31076995833,16cyclictest3683-21/usr/sbin/munin11:40:150
31076995833,15cyclictest23480-21/usr/sbin/munin10:50:240
31076995822,13cyclictest3560-21sshd07:28:260
31076995810,15cyclictest25871-21df08:55:110
3107699579,19cyclictest5861-21sshd09:42:260
3107699579,17cyclictest1146-21/usr/sbin/munin09:25:230
3107699579,15cyclictest7402-21/usr/sbin/munin11:55:230
3107699579,15cyclictest16502-21df12:30:100
3107699578,16cyclictest15601-21/usr/sbin/munin08:15:150
3107699577,17cyclictest28425-21/usr/sbin/munin09:05:150
31076995735,15cyclictest13522-21/usr/sbin/munin08:05:300
31076995734,15cyclictest1430-21/usr/sbin/munin11:30:260
31076995734,14cyclictest12153-21/usr/sbin/munin08:00:260
31076995732,16cyclictest29611-21/usr/sbin/munin11:15:130
31076995732,15cyclictest29761-21/usr/sbin/munin09:10:100
31076995723,13cyclictest22286-21open_files08:40:250
31076995711,17cyclictest12078-21vmstat10:05:290
31076995710,16cyclictest18910-21munin-run12:40:010
3107699568,15cyclictest27401-21/usr/sbin/munin09:00:200
3107699568,15cyclictest24645-21ntpq10:55:210
3107699568,14cyclictest23258-21/usr/sbin/munin08:45:110
3107699568,13cyclictest28251-21/usr/sbin/munin11:10:270
31076995633,15cyclictest562-21/usr/sbin/munin07:15:280
31076995632,16cyclictest6715-21/usr/sbin/munin11:50:300
31076995610,15cyclictest4333-21chrt09:35:360
110572563,8sleep00-21swapper07:56:310
3107699559,14cyclictest19665-21/usr/sbin/munin08:30:210
3107699558,16cyclictest20662-21/usr/sbin/munin08:35:100
3107699557,16cyclictest166922chrt10:25:100
3107699556,16cyclictest8870-21/usr/sbin/munin09:55:240
31076995532,16cyclictest12354-21runrttasks12:14:200
31076995532,16cyclictest10599-21users12:05:290
31076995530,16cyclictest14405-21/usr/sbin/munin08:10:200
3107699548,14cyclictest14442-21grep10:15:240
31076995430,15cyclictest31758-21/usr/sbin/munin07:10:280
31076995427,17cyclictest6801-21/usr/sbin/munin09:45:260
31076995411,17cyclictest2359-21sshd07:24:070
31076995410,15cyclictest8002-21/usr/sbin/munin09:50:280
3107699536,18cyclictest15500-21/usr/sbin/munin10:20:150
3107699528,17cyclictest15269-21if_err_eth012:25:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional