You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-08 - 02:37

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 Wed Apr 08, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295412115105,6sleep10-21swapper/119:07:481
296972114103,6sleep30-21swapper/319:09:503
29468210685,16sleep00-21swapper/019:06:510
29525210486,12sleep20-21swapper/219:07:372
320222800,0sleep00-21swapper/019:15:120
126452780,0sleep10-21swapper/122:49:191
112612730,0sleep10-21swapper/122:14:241
240342670,0sleep00-21swapper/022:26:460
16782670,1sleep30-21swapper/320:40:123
58972290,1sleep2301ktimersoftd/222:08:322
191912230,1sleep10-21swapper/120:01:041
2973799210,19cyclictest0-21swapper/021:30:110
39322200,1sleep00-21swapper/022:40:140
2973999183,2cyclictest0-21swapper/221:26:022
2973999182,14cyclictest0-21swapper/221:49:042
29739991814,2cyclictest10387-21kworker/u8:222:15:052
29738991815,2cyclictest13500-21kworker/u8:120:22:041
2973799180,13cyclictest0-21swapper/020:36:040
29740991712,3cyclictest23601-21tune2fs23:00:143
29739991714,2cyclictest27370-21kworker/u8:122:12:052
29739991714,2cyclictest22104-21kworker/u8:119:35:042
29739991714,2cyclictest17972-21kworker/u8:220:06:042
2973899172,2cyclictest0-21swapper/121:26:021
29738991714,2cyclictest29367-21kworker/u8:100:24:041
29738991714,2cyclictest22104-21kworker/u8:119:11:041
29738991714,2cyclictest12443-21kworker/u8:100:32:051
2973799170,11cyclictest0-21swapper/023:16:040
29740991613,2cyclictest6760-21kworker/u8:023:55:043
29740991613,2cyclictest19838-21kworker/u8:000:10:053
29740991613,2cyclictest19838-21kworker/u8:000:10:043
2974099160,14cyclictest0-21swapper/323:35:043
29739991613,2cyclictest7173-21kworker/u8:121:44:012
29739991613,2cyclictest7173-21kworker/u8:121:38:062
29739991613,2cyclictest30224-21kworker/u8:122:34:042
29739991613,2cyclictest27917-21kworker/u8:023:18:052
29739991613,2cyclictest21734-21kworker/u8:223:12:042
2973999161,2cyclictest0-21swapper/223:04:042
2973999160,14cyclictest0-21swapper/222:00:112
29738991613,2cyclictest13801-21kworker/u8:021:48:041
29738991613,2cyclictest13801-21kworker/u8:021:43:041
29740991512,2cyclictest9783-21kworker/u8:019:51:053
29740991512,2cyclictest28449-21kworker/u8:221:34:043
29740991512,2cyclictest21938-21kworker/u8:121:18:053
29740991512,2cyclictest21938-21kworker/u8:121:18:043
29740991512,2cyclictest10131-21kworker/u8:322:52:053
29740991512,2cyclictest0-21swapper/300:24:143
2974099150,2cyclictest13553-21diskmemload22:11:443
2974099150,13cyclictest0-21swapper/321:53:143
29739991512,2cyclictest9849-21kworker/u8:122:50:072
29739991512,2cyclictest9849-21kworker/u8:122:46:052
29739991512,2cyclictest7239-21kworker/u8:000:36:042
29739991512,2cyclictest3808-21kworker/u8:123:24:012
29739991512,2cyclictest29367-21kworker/u8:123:45:042
29739991512,2cyclictest29367-21kworker/u8:100:22:012
29739991512,2cyclictest22104-21kworker/u8:119:13:042
29739991512,2cyclictest17972-21kworker/u8:220:03:042
29739991512,2cyclictest1587-21kworker/u8:021:20:042
29739991512,2cyclictest1587-21kworker/u8:020:59:042
29739991512,2cyclictest13776-21kworker/u8:221:12:052
29739991512,2cyclictest13500-21kworker/u8:120:37:042
29739991512,2cyclictest13500-21kworker/u8:120:23:042
29739991512,2cyclictest13500-21kworker/u8:120:12:042
29739991512,2cyclictest13500-21kworker/u8:119:57:042
2973999150,2cyclictest0-21swapper/223:32:012
2973999150,10cyclictest0-21swapper/223:07:042
2973999150,10cyclictest0-21swapper/221:55:042
2973999150,10cyclictest0-21swapper/219:40:042
29738991512,2cyclictest3808-21kworker/u8:123:31:051
29738991512,2cyclictest3727-21kworker/u8:222:43:051
29738991512,2cyclictest31559-21kworker/u8:220:34:021
29738991512,2cyclictest30051-21kworker/u8:219:21:041
29738991512,2cyclictest27496-21kworker/u8:020:29:041
29738991512,2cyclictest22104-21kworker/u8:119:32:011
29738991512,2cyclictest19838-21kworker/u8:000:06:041
29738991512,2cyclictest17972-21kworker/u8:220:10:041
29738991512,2cyclictest1587-21kworker/u8:020:52:041
29738991512,2cyclictest0-21swapper/122:10:001
2973899151,12cyclictest13553-21diskmemload21:36:021
29738991510,4cyclictest30224-21kworker/u8:122:36:041
29740991411,2cyclictest3808-21kworker/u8:123:32:053
29740991411,2cyclictest27496-21kworker/u8:020:30:043
29740991411,2cyclictest27496-21kworker/u8:020:28:053
29740991411,2cyclictest21640-21kworker/u8:221:56:043
29740991411,2cyclictest13801-21kworker/u8:021:45:043
29740991411,2cyclictest13500-21kworker/u8:120:00:053
29740991411,2cyclictest0-21swapper/323:50:113
29740991411,2cyclictest0-21swapper/323:05:243
29740991411,2cyclictest0-21swapper/322:48:463
29740991411,2cyclictest0-21swapper/322:27:253
29740991411,2cyclictest0-21swapper/322:24:543
29740991411,2cyclictest0-21swapper/322:06:243
29740991411,2cyclictest0-21swapper/321:40:043
29740991411,2cyclictest0-21swapper/300:07:153
2974099140,2cyclictest0-21swapper/323:25:143
2974099140,2cyclictest0-21swapper/323:20:143
2974099140,2cyclictest0-21swapper/322:40:143
2974099140,2cyclictest0-21swapper/321:26:013
2974099140,2cyclictest0-21swapper/300:29:043
2974099140,13cyclictest0-21swapper/320:10:043
2974099140,12cyclictest1546-21ssh22:37:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional