You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-15 - 04:34

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 #0, 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
  
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 rack0slot4s.osadl.org (updated Mon Dec 15, 2025 00:46:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41332792374336,31sleep60-21swapper/619:08:3412
41332602370362,5sleep130-21swapper/1319:08:255
41329102367359,5sleep100-21swapper/1019:05:252
41330402363343,13sleep150-21swapper/1519:05:467
41331442358337,14sleep110-21swapper/1119:07:033
41330462358339,12sleep40-21swapper/419:05:5110
41332122356335,14sleep50-21swapper/519:07:4511
41331892356336,13sleep70-21swapper/719:07:3113
41331712355334,14sleep140-21swapper/1419:07:226
41332382354334,13sleep90-21swapper/919:08:0515
41331772353332,14sleep20-21swapper/219:07:268
41330542352332,13sleep120-21swapper/1219:05:594
41331552351330,14sleep30-21swapper/319:07:119
41331402350330,13sleep80-21swapper/819:07:0014
41331512348329,12sleep00-21swapper/019:07:080
41331312344324,13sleep10-21swapper/119:06:531
413370199374,32cyclictest4183101-21memory20:05:209
413370199374,32cyclictest4183101-21memory20:05:209
4133701993734,3cyclictest0-21swapper/323:40:199
413371899360,29cyclictest1051ktimers/919:38:0815
4133701993635,1cyclictest98429-21uname22:15:249
4133718993535,0cyclictest0-21swapper/923:18:5015
4133718993535,0cyclictest0-21swapper/923:18:5015
4133718993535,0cyclictest0-21swapper/922:05:4815
4133718993535,0cyclictest0-21swapper/921:59:1615
4133701993532,3cyclictest0-21swapper/322:25:169
4133718993434,0cyclictest0-21swapper/923:50:3215
4133718993434,0cyclictest0-21swapper/900:01:3915
4133727993325,7cyclictest0-21swapper/1220:54:564
4133718993333,0cyclictest0-21swapper/922:19:1415
4133710993311,0cyclictest0-21swapper/620:59:5912
4133701993333,0cyclictest0-21swapper/319:45:229
4133701993331,2cyclictest0-21swapper/321:05:209
4133701993331,1cyclictest0-21swapper/321:30:289
413370699320,29cyclictest0-21swapper/522:15:1711
4133701993230,2cyclictest2248-21/usr/sbin/httpd21:25:149
4133701993230,2cyclictest0-21swapper/320:50:209
4133701993230,0cyclictest0-21swapper/322:35:169
413370199320,29cyclictest0-21swapper/321:54:049
4133739993130,1cyclictest1931-21snmpd23:25:517
413373999310,30cyclictest0-21swapper/1522:15:437
413373999310,30cyclictest0-21swapper/1521:40:157
4133727993131,0cyclictest0-21swapper/1220:20:264
413372799310,30cyclictest0-21swapper/1200:30:164
413372499310,30cyclictest0-21swapper/1120:47:233
413372499310,30cyclictest0-21swapper/1120:05:363
413372499310,30cyclictest0-21swapper/1120:05:363
413372299310,30cyclictest0-21swapper/1000:10:172
413371899310,30cyclictest0-21swapper/923:10:1615
413371899310,30cyclictest0-21swapper/923:10:1615
413371899310,30cyclictest0-21swapper/921:25:1815
413371899310,30cyclictest0-21swapper/900:19:2015
4133710993130,1cyclictest1931-21snmpd21:50:4012
413370699310,30cyclictest0-21swapper/520:50:1611
4133701993131,0cyclictest0-21swapper/323:52:099
4133701993129,2cyclictest0-21swapper/323:10:249
4133701993129,2cyclictest0-21swapper/323:10:249
4133701993129,2cyclictest0-21swapper/321:00:209
4133701993129,0cyclictest0-21swapper/320:30:169
4133701993127,2cyclictest0-21swapper/323:05:229
4133697993130,1cyclictest1931-21snmpd22:40:178
4133697993129,2cyclictest1931-21snmpd23:57:258
4133697993126,3cyclictest85120-21mii-tool22:00:178
413369699310,30cyclictest0-21swapper/122:39:141
413369499310,30cyclictest0-21swapper/023:01:420
413369499310,30cyclictest0-21swapper/022:15:170
413373999300,30cyclictest0-21swapper/1523:33:077
4133722993028,1cyclictest139447-21ethtool23:05:152
413372299300,1cyclictest0-21swapper/1020:57:112
4133718993029,1cyclictest0-21swapper/922:11:0115
413371899300,30cyclictest1051ktimers/919:12:3215
413371899300,29cyclictest0-21swapper/921:35:4715
413371899300,1cyclictest0-21swapper/919:54:5415
413371899300,1cyclictest0-21swapper/900:20:1415
413371899300,0cyclictest0-21swapper/920:29:2015
4133716993029,1cyclictest0-21swapper/822:32:2914
413371299300,1cyclictest0-21swapper/720:10:1713
413371299300,1cyclictest0-21swapper/700:29:4113
413371099300,30cyclictest0-21swapper/622:57:4812
4133706993028,1cyclictest4149419-21ethtool19:25:1711
413370699300,30cyclictest0-21swapper/519:49:4511
413370699300,1cyclictest0-21swapper/521:40:0011
4133703993029,1cyclictest4166082-21mii-tool19:45:1610
4133703993029,1cyclictest1931-21snmpd21:32:5710
413370399300,30cyclictest0-21swapper/422:12:5810
4133701993029,1cyclictest4162560-21ntp_states19:40:229
4133701993028,2cyclictest0-21swapper/300:25:159
4133701993028,0cyclictest0-21swapper/319:20:189
4133701993028,0cyclictest0-21swapper/300:05:219
4133701993027,2cyclictest501rcuc/322:00:209
413370199300,30cyclictest0-21swapper/319:32:289
413370199300,27cyclictest0-21swapper/319:55:309
413370199300,27cyclictest0-21swapper/319:55:309
413370199300,27cyclictest0-21swapper/319:15:229
413370199300,1cyclictest157608-21users23:25:289
4133697993029,1cyclictest1931-21snmpd23:54:348
4133697993029,1cyclictest1931-21snmpd23:41:048
4133696993029,1cyclictest1931-21snmpd19:41:241
413369699300,29cyclictest0-21swapper/100:24:201
4133694993029,1cyclictest1931-21snmpd19:34:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional