You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-25 - 12:00

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 #b, slot #8

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 rackbslot8s (updated Wed Mar 25, 2026 00:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4058210212395,23sleep30-21swapper/319:07:263
40581102123112,7sleep00-21swapper/019:06:040
40583682119105,9sleep40-21swapper/419:09:434
40583092119105,9sleep10-21swapper/119:08:521
40580802118104,9sleep60-21swapper/619:05:386
40583422117103,9sleep70-21swapper/719:09:237
40580942116101,10sleep20-21swapper/219:05:492
4058239211499,10sleep50-21swapper/519:07:535
4058630991080,102cyclictest23887-21sh22:38:145
40586239910499,4cyclictest553-21snmpd22:22:533
40586309910299,3cyclictest553-21snmpd21:39:045
40586309910299,3cyclictest553-21snmpd20:42:055
40586309910299,2cyclictest553-21snmpd21:30:155
405861599102100,2cyclictest553-21snmpd22:26:081
405861199102100,2cyclictest553-21snmpd19:38:530
4058638991010,100cyclictest0-21swapper/721:09:457
4058638991010,100cyclictest0-21swapper/720:41:477
4058634991010,100cyclictest0-21swapper/621:19:216
40586309910199,2cyclictest553-21snmpd00:20:105
40586309910199,2cyclictest108334-21cat23:55:155
40586309910198,3cyclictest553-21snmpd20:01:225
4058630991010,100cyclictest0-21swapper/522:19:105
4058630991010,100cyclictest0-21swapper/520:49:265
4058630991010,100cyclictest0-21swapper/520:36:025
40586289910199,2cyclictest553-21snmpd23:39:394
40586289910199,2cyclictest553-21snmpd23:24:434
405862899101100,1cyclictest553-21snmpd23:51:554
405862899101100,1cyclictest553-21snmpd21:31:544
40586239910199,2cyclictest553-21snmpd23:59:193
40586239910199,2cyclictest553-21snmpd23:02:323
40586239910199,2cyclictest553-21snmpd22:44:263
40586239910199,2cyclictest553-21snmpd21:50:343
40586239910199,2cyclictest553-21snmpd20:11:553
40586239910199,2cyclictest553-21snmpd20:11:553
40586239910198,3cyclictest553-21snmpd22:53:453
40586199910199,2cyclictest553-21snmpd20:29:292
40586199910199,1cyclictest553-21snmpd21:17:472
40586199910198,2cyclictest553-21snmpd23:04:322
4058615991010,100cyclictest0-21swapper/121:59:101
40586119910199,2cyclictest553-21snmpd00:37:110
4058611991010,100cyclictest0-21swapper/023:42:240
4058611991010,100cyclictest0-21swapper/022:24:410
4058638991000,99cyclictest0-21swapper/722:50:327
4058638991000,99cyclictest0-21swapper/722:01:397
4058638991000,100cyclictest0-21swapper/720:22:527
40586349910099,1cyclictest553-21snmpd23:27:286
40586349910099,1cyclictest553-21snmpd22:07:406
40586349910099,1cyclictest553-21snmpd20:07:316
40586349910099,1cyclictest553-21snmpd20:07:306
40586349910099,1cyclictest553-21snmpd19:53:426
40586349910099,1cyclictest553-21snmpd19:17:316
40586349910099,1cyclictest553-21snmpd00:14:026
40586349910098,2cyclictest0-21swapper/621:45:066
40586349910098,1cyclictest41044742sleep620:35:356
4058634991000,99cyclictest0-21swapper/620:31:466
4058634991000,100cyclictest0-21swapper/623:19:186
4058634991000,100cyclictest0-21swapper/623:00:576
4058634991000,100cyclictest0-21swapper/622:03:046
40586309910099,1cyclictest553-21snmpd23:25:375
40586309910099,1cyclictest553-21snmpd21:08:575
40586309910099,1cyclictest553-21snmpd19:15:015
40586309910098,2cyclictest553-21snmpd23:14:065
40586309910098,2cyclictest553-21snmpd22:10:135
40586309910097,3cyclictest553-21snmpd23:41:555
40586309910097,3cyclictest553-21snmpd21:50:515
405863099100100,0cyclictest553-21snmpd00:32:365
4058630991000,99cyclictest0-21swapper/519:49:565
4058630991000,99cyclictest0-21swapper/500:17:255
40586289910099,1cyclictest553-21snmpd21:28:364
40586289910099,1cyclictest553-21snmpd20:05:454
40586289910099,1cyclictest553-21snmpd20:05:454
40586289910099,1cyclictest553-21snmpd20:04:224
40586289910098,1cyclictest553-21snmpd19:47:114
4058628991000,99cyclictest0-21swapper/400:17:074
4058628991000,1cyclictest0-21swapper/400:06:024
4058628991000,1cyclictest0-21swapper/400:06:024
4058628991000,100cyclictest0-21swapper/423:04:054
4058628991000,100cyclictest0-21swapper/420:50:144
4058628991000,100cyclictest0-21swapper/419:53:344
40586239910099,1cyclictest553-21snmpd23:19:493
40586239910099,1cyclictest553-21snmpd21:30:003
40586239910099,1cyclictest553-21snmpd21:06:513
40586239910099,1cyclictest553-21snmpd00:21:313
40586239910098,2cyclictest553-21snmpd23:32:153
40586239910098,2cyclictest553-21snmpd22:34:323
40586239910098,2cyclictest553-21snmpd22:01:193
40586239910098,2cyclictest553-21snmpd20:43:433
40586239910097,3cyclictest553-21snmpd21:41:123
40586239910097,3cyclictest553-21snmpd20:08:573
40586239910097,3cyclictest553-21snmpd20:08:573
40586239910097,3cyclictest553-21snmpd19:31:333
40586199910099,1cyclictest553-21snmpd22:57:442
40586199910099,1cyclictest553-21snmpd20:33:502
4058619991000,99cyclictest0-21swapper/223:52:462
4058619991000,99cyclictest0-21swapper/223:27:212
4058619991000,99cyclictest0-21swapper/223:07:292
4058619991000,99cyclictest0-21swapper/220:56:382
4058619991000,99cyclictest0-21swapper/219:49:212
4058619991000,100cyclictest0-21swapper/222:20:142
4058619991000,100cyclictest0-21swapper/222:09:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional