You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-29 - 22:39

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 #e, slot #4

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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackeslot4s.osadl.org (updated Fri May 29, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1529463997265,5cyclictest1795959-21getprofile12:01:370
1529467994942,5cyclictest1828192-21dpkg12:33:231
1529467994543,1cyclictest1795940-21lspci12:01:371
1529471994138,2cyclictest1764317-21kworker/u8:4+flush-259:012:35:012
1529471994135,5cyclictest1639115-21cat09:35:002
1529471994033,5cyclictest335557-21systemd-journal08:44:052
1529474993934,4cyclictest1774604-21base6411:45:003
1529467993933,4cyclictest1691377-21latency_hist10:25:011
1529463993934,3cyclictest1696978-21diskstats10:30:120
1529474993733,2cyclictest1649917-21kworker/u8:1+flush-259:011:35:153
1529471993734,2cyclictest1659036-21kworker/u8:0+events_unbound10:05:002
1529467993733,3cyclictest1665577-21kworker/u8:3+flush-259:010:14:461
1529463993630,4cyclictest335557-21systemd-journal10:18:590
1529474993329,3cyclictest1758470-21apt-get11:30:013
1529467993317,5cyclictest335557-21systemd-journal12:10:001
1529463993328,3cyclictest509-21rs:main0
1529463993319,12cyclictest0-21swapper/011:30:010
1529474993229,2cyclictest1613412-21kworker/u8:1+events_unbound09:15:183
1529471993228,3cyclictest1665577-21kworker/u8:3+flush-259:010:10:272
1529471993227,4cyclictest1649917-21kworker/u8:1+flush-259:012:01:592
1529471993226,4cyclictest1722775-21diskstats10:55:152
1529474993125,4cyclictest335557-21systemd-journal12:28:543
1529467993125,4cyclictest335557-21systemd-journal07:51:041
1529474993026,3cyclictest1534607-21kworker/u8:2+events_unbound07:40:183
1529474993023,5cyclictest1585398-21ntpq08:35:193
1529471993024,4cyclictest1581178-21latency_hist08:35:002
1529467993019,4cyclictest1701973-21apt-get10:35:121
1529463993024,4cyclictest335557-21systemd-journal09:45:000
1529474992925,3cyclictest1558704-21kworker/u8:0+flush-259:008:00:163
1529467992923,4cyclictest509-21rs:main1
152946399290,27cyclictest1-21systemd10:26:150
1529471992824,3cyclictest1681016-21kworker/u8:2+flush-259:011:40:262
1529474992724,2cyclictest1681016-21kworker/u8:2+flush-259:011:50:013
1529463992723,2cyclictest1575610-21apt-get08:25:110
1529474992622,3cyclictest1575577-21kworker/u8:3+flush-259:008:35:003
1529474992620,4cyclictest335557-21systemd-journal12:01:383
1529471992622,3cyclictest1540610-21kworker/u8:4+events_unbound08:00:022
1529471992621,4cyclictest335557-21systemd-journal12:35:432
1529471992621,4cyclictest1659036-21kworker/u8:0+flush-259:010:05:162
1529467992622,3cyclictest1534607-21kworker/u8:2+flush-259:007:35:001
1529467992620,4cyclictest335557-21systemd-journal08:16:041
1529463992621,4cyclictest1665577-21kworker/u8:3+flush-259:010:45:160
1529474992519,4cyclictest1828180-21apt-get12:33:233
1529471992522,2cyclictest1681016-21kworker/u8:2+flush-259:011:25:002
1529471992521,3cyclictest1665577-21kworker/u8:3+flush-259:010:50:002
1529474992420,3cyclictest1540610-21kworker/u8:4+flush-259:007:30:153
1529471992420,3cyclictest1764317-21kworker/u8:4+flush-259:012:05:232
1529471992420,3cyclictest1665577-21kworker/u8:3+flush-259:010:15:202
1529471992420,3cyclictest1660561-21base6409:55:022
1529471992419,3cyclictest1659968-21latency_hist09:55:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional