You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-16 - 07:44

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 #3, 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.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot6s.osadl.org (updated Tue Jun 16, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1987121160,4sleep084099cyclictest22:22:010
685211287,18sleep10-21swapper/119:08:221
530210789,12sleep30-21swapper/319:06:283
31476210695,6sleep20-21swapper/219:05:022
585210485,15sleep00-21swapper/019:07:080
201342830,0sleep00-21swapper/021:12:480
292392810,0sleep00-21swapper/021:57:400
305102730,0sleep00-21swapper/023:09:030
250322680,0sleep00-21swapper/022:27:560
164742680,0sleep10-21swapper/122:19:101
84399370,2cyclictest0-21swapper/323:40:103
239292240,0sleep10-21swapper/122:26:081
84299221,19cyclictest0-21swapper/220:25:112
842992116,3cyclictest26758-21ssh23:05:132
84299210,16cyclictest0-21swapper/200:27:052
84199211,18cyclictest0-21swapper/121:10:121
84399200,18cyclictest0-21swapper/319:25:113
842992017,2cyclictest576-21kworker/u8:119:19:052
84299200,2cyclictest0-21swapper/222:20:112
84299200,18cyclictest0-21swapper/220:45:112
84299200,15cyclictest0-21swapper/219:39:042
84299200,15cyclictest0-21swapper/219:32:052
270102200,0sleep20-21swapper/220:15:002
84399196,11cyclictest0-21swapper/323:35:123
843991915,2cyclictest0-21swapper/323:45:103
842991916,2cyclictest743-21kworker/u8:120:42:042
842991916,2cyclictest15064-21kworker/u8:220:08:052
842991916,2cyclictest10945-21kworker/u8:020:58:052
84299190,2cyclictest0-21swapper/222:10:122
84299190,14cyclictest0-21swapper/223:53:052
84299190,14cyclictest0-21swapper/223:32:042
84299190,14cyclictest0-21swapper/221:16:042
84299190,14cyclictest0-21swapper/219:28:042
84299182,2cyclictest0-21swapper/200:10:042
842991815,2cyclictest576-21kworker/u8:119:45:042
842991815,2cyclictest25037-21kworker/u8:000:31:042
842991815,2cyclictest17211-21kworker/u8:221:11:052
842991815,2cyclictest15134-21kworker/u8:200:15:042
842991815,2cyclictest15064-21kworker/u8:220:30:022
842991815,2cyclictest11477-21kworker/u8:023:24:042
842991815,2cyclictest10433-21kworker/u8:200:37:042
84299180,16cyclictest0-21swapper/221:54:042
842991714,2cyclictest1888-21kworker/u8:022:32:042
84299171,2cyclictest0-21swapper/223:29:052
84299171,14cyclictest0-21swapper/221:00:102
84299170,2cyclictest0-21swapper/221:21:052
84299170,2cyclictest0-21swapper/220:37:042
84299170,13cyclictest0-21swapper/220:21:052
84199171,14cyclictest0-21swapper/100:10:171
84099171,3cyclictest3728-21runrttasks23:25:570
84299160,2cyclictest0-21swapper/223:48:042
84299160,2cyclictest0-21swapper/223:14:042
84299160,2cyclictest0-21swapper/222:00:042
84299160,2cyclictest0-21swapper/219:52:042
841991613,2cyclictest31249-21kworker/u8:000:00:041
841991613,2cyclictest25095-21kworker/u8:123:40:041
841991610,2cyclictest26425-21ssh23:40:001
84099160,2cyclictest0-21swapper/021:00:110
84299152,7cyclictest0-21swapper/220:55:002
842991512,2cyclictest576-21kworker/u8:119:14:052
842991511,2cyclictest0-21swapper/222:46:032
84299151,12cyclictest0-21swapper/221:56:382
842991510,3cyclictest0-21swapper/200:21:292
84299150,2cyclictest0-21swapper/219:57:052
84299150,2cyclictest0-21swapper/200:02:062
84299150,12cyclictest0-21swapper/222:35:142
84199159,4cyclictest0-21swapper/120:11:041
841991512,2cyclictest25095-21kworker/u8:123:46:041
84199150,13cyclictest9260-21df_abs19:30:131
840991511,2cyclictest16777-21diskmemload23:00:170
84099150,13cyclictest16777-21diskmemload22:35:150
83962151,3sleep08544-21fschecks_time23:55:140
84399149,3cyclictest23627-21sendmail_mailqu23:01:013
84399141,2cyclictest26232-21apt-get00:15:103
843991411,2cyclictest0-21swapper/322:00:273
84399140,12cyclictest0-21swapper/322:40:193
84299140,2cyclictest0-21swapper/222:19:042
84299140,2cyclictest0-21swapper/221:42:052
84299140,2cyclictest0-21swapper/221:34:042
84299140,12cyclictest10964-21sh23:57:482
84299140,12cyclictest0-21swapper/220:16:052
84199149,3cyclictest28423-21sed23:06:041
84199149,3cyclictest20145-21sh00:07:531
84199142,6cyclictest0-21swapper/119:40:001
841991410,2cyclictest0-21swapper/100:36:231
84199140,3cyclictest11950-21cut20:55:181
84199140,2cyclictest0-21swapper/100:23:041
84099149,3cyclictest0-21swapper/021:45:190
840991411,2cyclictest0-21swapper/023:36:270
840991411,2cyclictest0-21swapper/000:22:270
84099140,2cyclictest0-21swapper/021:19:460
84099140,12cyclictest31415-21munin-node0
84099140,12cyclictest29002-21cut20:20:000
84099140,12cyclictest0-21swapper/023:30:270
84099140,12cyclictest0-21swapper/021:24:180
84099140,10cyclictest0-21swapper/023:51:050
115012141,2sleep211504-21ssh21:38:392
843991310,2cyclictest16777-21diskmemload21:49:173
843991310,2cyclictest0-21swapper/323:28:453
843991310,2cyclictest0-21swapper/322:53:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional