You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-08 - 17:01

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 100 highest latencies:
System rackeslot4s.osadl.org (updated Tue Sep 08, 2026 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
189089993932,5cyclictest450590-21latency_hist11:20:003
189083993731,4cyclictest440008-21base6411:10:001
189083993531,3cyclictest251914-21kworker/u8:2+flush-259:009:45:171
189079993528,5cyclictest220472-21latency_hist07:40:010
189083993328,4cyclictest278872-21apt-get08:35:121
189089993229,2cyclictest398302-21kworker/u8:3+flush-259:011:35:183
189089993228,3cyclictest251914-21kworker/u8:2+flush-259:008:40:003
189089993127,3cyclictest173887-21kworker/u8:1+flush-259:008:00:253
189083993126,3cyclictest513672-21/usr/sbin/munin12:20:141
189083993125,5cyclictest493014-21apt-get12:00:111
189089992923,4cyclictest335557-21systemd-journal10:05:003
189087992925,3cyclictest450862-21apt-get11:20:122
189083992823,3cyclictest367306-21/usr/sbin/munin10:00:131
189079992824,3cyclictest315474-21apt-get09:10:120
189079992822,4cyclictest273631-21cat08:30:010
189079992820,4cyclictest335557-21systemd-journal10:02:170
189089992723,3cyclictest482360-21latency_hist11:50:013
189089992723,3cyclictest315232-21kworker/u8:1+flush-259:009:15:123
189089992622,3cyclictest145896-21kworker/u8:4+flush-259:008:45:003
189089992622,3cyclictest145896-21kworker/u8:4+flush-259:008:45:003
189083992618,6cyclictest335557-21systemd-journal07:59:171
189087992521,3cyclictest145896-21kworker/u8:4+flush-259:007:15:212
189087992520,3cyclictest251914-21kworker/u8:2+flush-259:008:45:072
189083992521,3cyclictest335557-21systemd-journal10:54:541
189083992518,4cyclictest257258-21cp08:15:001
189079992522,2cyclictest508508-21kworker/u8:1+flush-259:012:15:150
189089992418,4cyclictest445507-21cat11:15:003
189079992419,4cyclictest315232-21kworker/u8:1+events_unbound09:35:170
189079992418,4cyclictest387751-21latency_hist10:20:000
189089992320,2cyclictest145896-21kworker/u8:4+flush-259:007:20:223
189087992319,3cyclictest294300-21kworker/u8:3+flush-259:008:55:162
189087992319,3cyclictest205243-21apt-get07:25:112
189087992317,4cyclictest273160-21base6408:30:002
189079992318,4cyclictest518619-21kworker/u8:3+events_unbound12:25:140
189087992217,4cyclictest325783-21/usr/sbin/munin09:20:152
189083992218,3cyclictest251914-21kworker/u8:2+flush-259:009:00:001
189083992217,4cyclictest335557-21systemd-journal08:35:001
189083992217,3cyclictest529006-21gpgv12:35:001
189083992216,4cyclictest439633-21store11:10:001
189083992215,5cyclictest503078-21latency_hist12:10:001
189079992218,3cyclictest518619-21kworker/u8:3+flush-259:012:30:210
189079992218,3cyclictest145896-21kworker/u8:4+flush-259:008:20:270
189079992217,3cyclictest508508-21kworker/u8:1+flush-259:012:20:190
189089992117,3cyclictest492977-21kworker/u8:4+flush-259:012:05:213
189089992117,3cyclictest251914-21kworker/u8:2+flush-259:008:20:003
189089992117,2cyclictest439865-21latency_hist11:10:013
189087992118,2cyclictest492977-21kworker/u8:4+flush-259:012:05:162
189079992117,3cyclictest382578-21kworker/u8:1+flush-259:010:25:140
189079992117,3cyclictest294300-21kworker/u8:3+flush-259:009:00:230
189079992117,3cyclictest189285-21apt-get07:10:100
189079992116,4cyclictest294333-21apt-get08:50:110
189079992115,4cyclictest503507-21diskstats12:10:140
189079992114,5cyclictest335557-21systemd-journal08:44:360
189079992114,5cyclictest335557-21systemd-journal08:44:360
189089992017,2cyclictest529095-21gpgv12:35:013
189089992017,2cyclictest194248-21apt-get07:15:013
189083992014,5cyclictest335557-21systemd-journal07:37:171
189079992016,3cyclictest356959-21kworker/u8:0+events_unbound10:20:130
189079992016,3cyclictest251914-21kworker/u8:2+flush-259:009:50:000
189079992016,3cyclictest145896-21kworker/u8:4+flush-259:007:45:250
189079992015,3cyclictest241328-21kworker/u8:0+flush-259:008:05:240
189089991916,2cyclictest335936-21idleruntime-cro09:30:003
189089991916,2cyclictest145896-21kworker/u8:4+flush-259:007:50:153
189089991915,3cyclictest398302-21kworker/u8:3+flush-259:010:30:273
189087991915,2cyclictest0-21swapper/211:30:002
189087991915,2cyclictest0-21swapper/208:15:002
189083991915,2cyclictest0-21swapper/108:55:001
18907999192,15cyclictest509-21rs:main0
189079991916,2cyclictest251914-21kworker/u8:2+flush-259:009:40:250
189079991916,2cyclictest145896-21kworker/u8:4+flush-259:008:15:220
189079991916,2cyclictest145896-21kworker/u8:4+flush-259:008:00:160
189079991915,3cyclictest440070-21kworker/u8:4+flush-259:011:20:220
189079991915,3cyclictest398302-21kworker/u8:3+events_unbound11:30:140
189079991913,4cyclictest231038-21kworker/u8:2+events_unbound07:55:000
189079991911,1cyclictest199815-21turbostat07:20:000
189089991814,3cyclictest465725-21kworker/u8:0+flush-259:012:10:243
189089991814,3cyclictest145896-21kworker/u8:4+flush-259:008:20:273
189089991814,3cyclictest145896-21kworker/u8:4+flush-259:008:10:003
189089991813,3cyclictest335557-21systemd-journal09:05:003
189089991813,3cyclictest299506-21/usr/sbin/munin08:55:183
189087991815,2cyclictest251914-21kworker/u8:2+flush-259:009:55:132
189087991814,3cyclictest529212-21store12:35:002
189087991814,3cyclictest465725-21kworker/u8:0+flush-259:012:25:252
189087991812,4cyclictest335557-21systemd-journal07:25:002
189079991814,3cyclictest398302-21kworker/u8:3+events_unbound10:55:210
189079991814,3cyclictest315232-21kworker/u8:1+flush-259:009:35:000
189079991814,2cyclictest529634-21kworker/u8:1+flush-259:012:35:210
189079991814,2cyclictest257053-21idleruntime-cro08:15:000
189089991715,1cyclictest0-21swapper/309:25:003
189089991714,2cyclictest531969-21kthreadcore12:35:173
189089991714,2cyclictest310731-21irqcore09:05:173
189089991714,2cyclictest212711-21kthreadcore07:30:213
189089991713,3cyclictest387990-21kworker/u8:2+flush-259:010:24:523
189089991713,3cyclictest372247-21kworker/u8:3+flush-259:010:10:273
189089991712,3cyclictest184127-21kworker/u8:2+flush-259:007:25:163
189089991711,4cyclictest335557-21systemd-journal11:41:163
189087991713,3cyclictest184127-21kworker/u8:2+flush-259:007:10:162
189083991714,2cyclictest267837-21idleruntime-cro08:25:001
189083991713,3cyclictest145896-21kworker/u8:4+flush-259:007:45:221
189079991715,2cyclictest398302-21kworker/u8:3+events_unbound11:25:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional