You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-16 - 23:59

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 #3

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot3s.osadl.org (updated Thu Apr 16, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178362235160,25sleep00-21swapper/007:07:460
1714922240,6sleep2311ktimersoftd/207:05:212
177192202166,24sleep10-21swapper/107:06:141
177372200164,24sleep30-21swapper/307:06:283
1207721250,1sleep00-21swapper/008:05:250
18103998784,2cyclictest0-21swapper/207:27:242
18103996663,2cyclictest0-21swapper/208:27:452
320812650,3sleep20-21swapper/208:50:262
13522650,2sleep30-21swapper/310:10:123
29332570,4sleep339-21rcuc/311:25:263
18103995047,2cyclictest0-21swapper/211:34:582
249002470,3sleep01809199cyclictest08:35:180
1809899324,17cyclictest23997-21sshd08:35:051
1809899310,23cyclictest0-21swapper/110:44:501
1810999301,10cyclictest0-21swapper/311:14:453
18098993011,10cyclictest0-21swapper/109:45:011
66812290,1sleep10-21swapper/110:20:231
1809899291,8cyclictest25640-21kworker/u8:210:49:261
1809899291,17cyclictest0-21swapper/112:10:091
316152280,3sleep011-21rcuc/011:20:000
1809899281,18cyclictest0-21swapper/108:30:201
1809899281,17cyclictest0-21swapper/110:56:561
1809899281,16cyclictest0-21swapper/111:29:541
1809899281,11cyclictest28551-21cpuspeed_turbos08:45:121
1809899281,11cyclictest14011-21perf10:40:021
1809899281,10cyclictest0-21swapper/112:15:221
267712270,3sleep30-21swapper/312:20:193
1810999279,1cyclictest0-21swapper/310:05:163
1810999271,23cyclictest11442-21grep11:45:213
1810999271,22cyclictest5978-21head09:05:223
1810999270,24cyclictest10220-21needreboot09:15:193
1809899274,11cyclictest13617-21sshd09:25:091
1809899272,3cyclictest25640-21kworker/u8:210:00:361
1809899272,13cyclictest753-21awk10:10:001
1809899271,17cyclictest13013-21users09:20:261
1809899271,17cyclictest13013-21users09:20:261
1809899271,17cyclictest0-21swapper/112:32:001
1809899271,16cyclictest0-21swapper/107:50:211
1809899271,15cyclictest0-21swapper/111:03:141
1809899270,7cyclictest16167-21kworker/u8:011:46:161
1809199271,6cyclictest0-21swapper/010:48:090
1810999261,23cyclictest19084-21sshd09:35:223
1809899269,9cyclictest0-21swapper/109:00:131
1809899267,11cyclictest0-21swapper/109:30:181
1809899267,10cyclictest0-21swapper/109:58:141
1809899264,9cyclictest0-21swapper/111:57:571
1809899264,16cyclictest25640-21kworker/u8:210:55:021
1809899261,16cyclictest0-21swapper/111:39:581
1809899261,16cyclictest0-21swapper/111:39:581
1809899261,15cyclictest32173-21diskstats11:20:151
1809899261,15cyclictest0-21swapper/112:25:491
1809899261,15cyclictest0-21swapper/110:33:181
1809899261,15cyclictest0-21swapper/110:33:181
1809199261,6cyclictest0-21swapper/011:52:130
1809199260,13cyclictest2058-21munin-run12:40:010
1810999258,4cyclictest25238-21/usr/sbin/munin11:05:213
1810999251,22cyclictest0-21swapper/311:56:333
1810999251,22cyclictest0-21swapper/311:30:213
1810999251,11cyclictest319-21/usr/sbin/munin08:55:143
1809899259,9cyclictest0-21swapper/107:10:291
1809899257,10cyclictest0-21swapper/111:53:181
1809899252,20cyclictest1145-21tr10:10:131
1809899251,5cyclictest0-21swapper/110:28:231
18098992513,3cyclictest0-21swapper/108:15:131
18098992512,3cyclictest1342-21switchtime12:35:261
1809899251,16cyclictest0-21swapper/109:53:041
1809899251,16cyclictest0-21swapper/109:15:241
1809899251,16cyclictest0-21swapper/108:58:391
1809899251,15cyclictest0-21swapper/109:35:351
1809899251,15cyclictest0-21swapper/109:13:571
1809899251,15cyclictest0-21swapper/108:04:261
1809899250,16cyclictest0-21swapper/112:00:221
1809199251,21cyclictest30377-21idleruntime-cro08:50:010
217202241,3sleep321869-21hddtemp_smartct07:15:163
18109992413,7cyclictest0-21swapper/312:28:103
1810999241,21cyclictest0-21swapper/310:59:483
1810999241,21cyclictest0-21swapper/310:47:163
1810999241,21cyclictest0-21swapper/310:41:263
1810999241,20cyclictest0-21swapper/310:32:513
1810999241,20cyclictest0-21swapper/310:32:513
1810999241,20cyclictest0-21swapper/310:16:223
1810999241,18cyclictest0-21swapper/309:11:463
1810999241,12cyclictest6798-21diskmemload10:36:253
1810999241,11cyclictest3816-21sshd07:48:023
1810999241,11cyclictest31297-21ntp_offset12:30:203
1809899249,9cyclictest0-21swapper/111:32:311
1809899249,9cyclictest0-21swapper/107:40:151
1809899248,9cyclictest0-21swapper/112:06:591
1809899248,8cyclictest0-21swapper/108:11:481
1809899248,8cyclictest0-21swapper/108:11:481
1809899243,9cyclictest28500-21sshd11:10:221
1809899242,12cyclictest29755-21munin-run07:35:011
18098992415,3cyclictest0-21swapper/107:28:461
18098992414,2cyclictest0-21swapper/108:20:141
1809899241,17cyclictest0-21swapper/111:40:041
1809899241,16cyclictest0-21swapper/112:20:171
1809899241,16cyclictest0-21swapper/108:54:081
1809899241,15cyclictest0-21swapper/108:06:121
1809899241,14cyclictest0-21swapper/110:19:121
1809899241,10cyclictest26342-21cpuspeed_turbos08:40:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional