You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-25 - 17:20

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 #5, 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
  Intel
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, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4s.osadl.org (updated Sat Apr 25, 2026 12:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19535022790,4sleep00-21swapper/007:16:300
1943484997262,7cyclictest280-21systemd-journal08:00:002
1943480997062,6cyclictest1980173-21kworker/u8:3+flush-8:008:41:181
1943480996660,5cyclictest2198679-21kworker/u8:0+flush-8:012:11:231
1943480996557,6cyclictest2198679-21kworker/u8:0+flush-8:012:31:191
1943480996358,4cyclictest2153586-21kworker/u8:3+flush-8:010:46:241
1943480996358,4cyclictest1900093-21kworker/u8:2+events_unbound07:21:241
1943480996256,5cyclictest1801761-21kworker/u8:1+flush-8:008:36:191
1943480996155,4cyclictest1801761-21kworker/u8:1+events_unbound10:06:111
1943480996154,6cyclictest2084390-21kworker/u8:3+events_unbound10:01:231
1943480995952,6cyclictest2183181-21kworker/u8:2+flush-8:011:11:201
1943480995854,3cyclictest1801761-21kworker/u8:1+events_unbound08:01:211
1943480995751,5cyclictest2198679-21kworker/u8:0+flush-8:011:36:191
1943475995748,6cyclictest2193500-21latency_hist11:20:010
1943480995650,5cyclictest2044634-21kworker/u8:2+flush-8:008:51:261
1943480995649,5cyclictest1801761-21kworker/u8:1+events_unbound07:36:191
1943480995648,6cyclictest2153586-21kworker/u8:3+flush-8:011:21:211
1943475995645,8cyclictest2149533-21diskstats10:36:100
1943480995550,4cyclictest1801761-21kworker/u8:1+flush-8:008:26:121
1943480995549,5cyclictest2044634-21kworker/u8:2+flush-8:009:41:241
1943480995549,4cyclictest2044634-21kworker/u8:2+flush-8:009:01:221
1943480995448,4cyclictest1980173-21kworker/u8:3+events_unbound08:31:201
1943484995347,4cyclictest2044634-21kworker/u8:2+flush-8:009:56:262
1943480995346,5cyclictest2183181-21kworker/u8:2+flush-8:011:26:261
194347599535,46cyclictest1-21systemd11:10:000
1943475995344,7cyclictest2108053-21ntpq09:51:180
1943475995343,7cyclictest2019709-21latency_hist08:25:000
1943484995247,3cyclictest1980173-21kworker/u8:3+flush-8:008:06:232
1943480995248,3cyclictest2183181-21kworker/u8:2+events_unbound11:31:091
1943480995248,3cyclictest1980173-21kworker/u8:3+flush-8:008:06:251
1943480995247,4cyclictest2044634-21kworker/u8:2+events_unbound09:46:201
1943480995247,4cyclictest1980173-21kworker/u8:3+flush-8:008:46:201
1943480995247,4cyclictest1801761-21kworker/u8:1+flush-8:007:46:201
1943480995246,4cyclictest2198679-21kworker/u8:0+events_unbound12:26:081
1943480995245,6cyclictest2138798-21kworker/u8:1+flush-8:010:36:211
1943480995245,5cyclictest2153586-21kworker/u8:3+flush-8:010:56:201
1943480995245,5cyclictest1801761-21kworker/u8:1+events_unbound08:11:191
1943480995245,5cyclictest1801761-21kworker/u8:1+events_unbound08:11:191
1943480995244,6cyclictest1801761-21kworker/u8:1+flush-8:007:51:221
1943480995147,3cyclictest2044634-21kworker/u8:2+events_unbound09:36:241
1943480995146,4cyclictest1801761-21kworker/u8:1+events_unbound07:16:231
1943480995145,5cyclictest1900093-21kworker/u8:2+flush-8:008:21:091
1943475995142,7cyclictest280-21systemd-journal08:45:010
22393912500,2sleep3481ktimers/312:06:093
1943480995044,5cyclictest2173406-21kworker/u8:1+flush-8:011:01:191
1943480994942,5cyclictest2044634-21kworker/u8:2+flush-8:009:16:191
1943480994941,6cyclictest2084390-21kworker/u8:3+flush-8:010:11:171
1943480994941,6cyclictest2084390-21kworker/u8:3+flush-8:010:11:171
1943480994842,4cyclictest2153586-21kworker/u8:3+flush-8:011:16:191
1943480994840,6cyclictest2123372-21kworker/u8:0+flush-8:010:31:211
1943475994838,8cyclictest2144341-21diskstats10:31:090
1943480994742,3cyclictest2198679-21kworker/u8:0+events_unbound11:41:221
1943480994740,5cyclictest2138798-21kworker/u8:1+flush-8:010:41:131
1943480994737,7cyclictest280-21systemd-journal08:20:001
1943480994737,7cyclictest280-21systemd-journal08:20:001
1943480994733,10cyclictest280-21systemd-journal11:55:001
1943484994640,4cyclictest1900093-21kworker/u8:2+flush-8:007:36:102
1943480994541,3cyclictest1980173-21kworker/u8:3+events_unbound07:56:201
1943480994540,3cyclictest2223604-21kworker/u8:3+events_unbound12:21:231
1943480994538,5cyclictest2044634-21kworker/u8:2+flush-8:010:21:111
1943480994437,5cyclictest2223604-21kworker/u8:3+flush-8:011:56:111
1943480994437,5cyclictest2198679-21kworker/u8:0+events_unbound11:46:191
1943475994439,4cyclictest2044634-21kworker/u8:2+events_unbound09:26:250
1943475994438,4cyclictest2223604-21kworker/u8:3+events_unbound12:05:000
1943475994436,6cyclictest1970545-21/usr/sbin/munin07:36:170
1943480994338,3cyclictest2198679-21kworker/u8:0+flush-8:012:06:191
1943480994337,5cyclictest2044634-21kworker/u8:2+events_unbound09:06:091
1943480994337,4cyclictest1900093-21kworker/u8:2+events_unbound07:26:151
1943480994336,5cyclictest2223604-21kworker/u8:3+events_unbound12:01:181
1943475994337,4cyclictest2018932-21kworker/u8:0+flush-8:008:51:100
1943475994332,8cyclictest2228340-21apt-get11:55:000
1943480994236,4cyclictest2173406-21kworker/u8:1+events_unbound12:16:081
1943480994236,4cyclictest1102287-21kworker/u8:4+events_unbound07:11:191
1943480994234,6cyclictest2123372-21kworker/u8:0+flush-8:010:16:181
20787082410,6sleep30-21swapper/309:21:253
1943480994136,3cyclictest2173406-21kworker/u8:1+events_unbound12:36:121
1943480994135,4cyclictest2044634-21kworker/u8:2+events_unbound09:31:141
1943480994135,4cyclictest2018932-21kworker/u8:0+flush-8:009:26:131
1943480994131,8cyclictest2108020-21ntpq09:51:171
1943475994032,7cyclictest2044634-21kworker/u8:2+flush-8:010:51:230
1943475994031,6cyclictest2173406-21kworker/u8:1+flush-8:012:16:050
1943480993934,3cyclictest2173406-21kworker/u8:1+events_unbound11:06:151
1943480993933,5cyclictest2153586-21kworker/u8:3+events_unbound10:51:201
1943475993933,4cyclictest2138798-21kworker/u8:1+flush-8:010:41:220
1943475993929,8cyclictest2254066-21diskstats12:21:090
1943484993830,6cyclictest280-21systemd-journal11:00:342
1943484993828,8cyclictest2228340-21apt-get11:54:592
1943480993832,4cyclictest2018932-21kworker/u8:0+flush-8:008:56:151
194319923823,10sleep10-21swapper/107:08:491
1943480993733,3cyclictest1801761-21kworker/u8:1+flush-8:007:31:241
1943480993732,4cyclictest2018932-21kworker/u8:0+events_unbound09:21:141
1943480993732,4cyclictest1801761-21kworker/u8:1+flush-8:007:41:211
1943475993731,4cyclictest2198679-21kworker/u8:0+flush-8:012:31:240
1943475993731,4cyclictest2173406-21kworker/u8:1+events_unbound11:31:230
1943475993730,5cyclictest2018932-21kworker/u8:0+events_unbound08:56:200
1943475993729,6cyclictest2268572-21/usr/sbin/munin12:36:210
19432902372,10sleep01943340-21munin-run07:10:010
1943484993631,3cyclictest1102287-21kworker/u8:4+events_unbound07:11:252
1943475993630,4cyclictest1801761-21kworker/u8:1+events_unbound07:51:260
1943475993530,4cyclictest1980173-21kworker/u8:3+flush-8:008:46:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional