You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-25 - 20:38

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 Wed Mar 25, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
286052235163,24sleep20-21swapper/207:08:072
286092204167,24sleep10-21swapper/107:08:111
285882201164,25sleep00-21swapper/007:07:540
284422201163,25sleep30-21swapper/307:05:583
987821850,5sleep02884199cyclictest12:30:220
475821710,4sleep12884799cyclictest07:25:161
1859221520,4sleep02884199cyclictest07:55:250
1025021390,5sleep02884199cyclictest10:05:140
28858991091,106cyclictest0-21swapper/307:23:463
28858999895,2cyclictest0-21swapper/308:01:503
28858997167,3cyclictest0-21swapper/308:05:583
25542520,6sleep1221ktimersoftd/107:20:171
5222500,4sleep011-21rcuc/010:55:240
38842500,2sleep10-21swapper/111:05:111
180262490,3sleep1221ktimersoftd/111:35:221
28858994845,2cyclictest0-21swapper/310:10:213
244402460,4sleep339-21rcuc/308:10:163
28858994541,3cyclictest0-21swapper/309:19:043
148062450,1sleep20-21swapper/207:50:012
2884799330,30cyclictest0-21swapper/109:40:131
2884799321,19cyclictest0-21swapper/108:26:291
2884799320,14cyclictest0-21swapper/112:05:571
28858993122,3cyclictest0-21swapper/310:54:073
2884799311,23cyclictest0-21swapper/111:58:211
2884799311,15cyclictest851-21sssd_nss09:59:251
2884799300,23cyclictest0-21swapper/112:15:391
2884799291,12cyclictest0-21swapper/107:13:271
2884799291,11cyclictest0-21swapper/108:03:491
2884799291,10cyclictest17553-21diskmemload09:23:481
2884799290,14cyclictest0-21swapper/109:26:411
2884799290,14cyclictest0-21swapper/109:26:401
2884799290,12cyclictest0-21swapper/108:38:231
2884799281,13cyclictest0-21swapper/112:00:091
2884799281,13cyclictest0-21swapper/110:16:491
2884799281,13cyclictest0-21swapper/109:33:231
2884799281,13cyclictest0-21swapper/109:13:401
2884799281,11cyclictest0-21swapper/110:34:111
2884799281,10cyclictest0-21swapper/110:14:091
2884799280,13cyclictest0-21swapper/110:54:521
2884799271,14cyclictest0-21swapper/109:45:171
2884799271,13cyclictest0-21swapper/112:28:571
2884799271,12cyclictest0-21swapper/109:54:051
2884799271,11cyclictest0-21swapper/112:11:351
2884799271,11cyclictest0-21swapper/110:46:481
2884799271,10cyclictest0-21swapper/110:28:291
2884799271,10cyclictest0-21swapper/108:07:471
2884799270,12cyclictest0-21swapper/107:36:411
2884799270,11cyclictest0-21swapper/111:28:091
2884799270,11cyclictest0-21swapper/110:20:291
2884199270,12cyclictest0-21swapper/007:40:020
2884799267,8cyclictest0-21swapper/108:21:371
2884799261,9cyclictest0-21swapper/111:17:061
2884799261,13cyclictest0-21swapper/111:22:561
2884799261,12cyclictest0-21swapper/111:45:091
2884799261,11cyclictest0-21swapper/111:51:251
2884799261,11cyclictest0-21swapper/111:51:251
2884799260,17cyclictest0-21swapper/109:09:081
2884799260,13cyclictest0-21swapper/108:55:121
2884799260,12cyclictest0-21swapper/111:31:151
2884799260,12cyclictest0-21swapper/110:06:591
2884799260,12cyclictest0-21swapper/107:46:111
2884799260,11cyclictest0-21swapper/112:35:251
2884799260,11cyclictest0-21swapper/112:31:251
2884199261,6cyclictest0-21swapper/009:50:200
2885899253,7cyclictest0-21swapper/310:01:483
2885299255,7cyclictest771-21rngd09:01:292
2885299251,6cyclictest0-21swapper/212:04:242
2884799251,9cyclictest0-21swapper/110:00:251
2884799251,8cyclictest0-21swapper/111:03:161
2884799251,8cyclictest0-21swapper/108:54:061
2884799251,12cyclictest0-21swapper/112:22:411
2884799251,12cyclictest0-21swapper/108:40:531
2884799251,10cyclictest0-21swapper/107:40:271
2884799250,13cyclictest0-21swapper/107:19:331
2884799250,12cyclictest0-21swapper/110:57:241
2884799250,11cyclictest0-21swapper/110:35:161
2884799250,11cyclictest0-21swapper/109:15:261
2884199251,14cyclictest22557-21latency_hist10:35:010
2885299249,3cyclictest26323-21threads10:40:242
2885299241,5cyclictest0-21swapper/210:52:322
28852992410,3cyclictest86750irq/128-enp1s0-09:11:562
2884799241,4cyclictest27923-21munin-run08:20:011
2884799241,4cyclictest27923-21munin-run08:20:011
2884799241,15cyclictest0-21swapper/107:50:251
2884799241,14cyclictest6868-21cpuspeed_turbos08:45:131
2884799241,11cyclictest0-21swapper/111:14:481
2884799241,10cyclictest0-21swapper/109:39:151
2884799241,10cyclictest0-21swapper/109:03:341
2884799240,12cyclictest0-21swapper/107:57:311
2885899231,11cyclictest0-21swapper/311:56:463
2885899231,11cyclictest0-21swapper/310:20:103
28858992310,6cyclictest833-21runrttasks11:44:203
2885299231,3cyclictest31024-21hddtemp_smartct08:25:182
2884799231,9cyclictest0-21swapper/107:32:321
2884799231,10cyclictest0-21swapper/111:43:131
2884799231,10cyclictest0-21swapper/110:44:241
2884199234,3cyclictest0-21swapper/010:46:480
2884199231,11cyclictest0-21swapper/011:46:170
2884799221,10cyclictest0-21swapper/108:30:091
2884199226,8cyclictest0-21swapper/008:54:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional