You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-05-30 - 11:42

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 #e, slot #5

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 50 highest latencies:
System rackeslot5s.osadl.org (updated Thu May 30, 2024 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3837993433,1cyclictest28557-21lspci19:56:472
3842992928,1cyclictest0-21swapper/319:56:483
3842992522,2cyclictest2223-21cron20:15:003
3833992523,1cyclictest20455-21apt21:35:001
3828992524,1cyclictest0-21swapper/019:56:470
3828992523,2cyclictest0-21swapper/000:06:560
3842992423,1cyclictest34-21ksoftirqd/322:01:303
3837992422,2cyclictest0-21swapper/223:31:592
3837992422,2cyclictest0-21swapper/221:14:272
3837992422,0cyclictest0-21swapper/200:12:172
383799241,22cyclictest0-21swapper/223:29:552
383399240,24cyclictest0-21swapper/121:44:131
3828992424,0cyclictest0-21swapper/023:07:330
382899240,24cyclictest0-21swapper/023:13:080
382899240,24cyclictest0-21swapper/021:01:140
382899240,23cyclictest0-21swapper/022:39:300
382899240,23cyclictest0-21swapper/021:11:060
382899240,0cyclictest0-21swapper/000:01:310
3842992323,0cyclictest0-21swapper/322:26:583
3842992323,0cyclictest0-21swapper/321:40:173
3842992323,0cyclictest0-21swapper/321:13:243
3842992323,0cyclictest0-21swapper/319:36:173
3842992323,0cyclictest0-21swapper/300:01:313
3842992321,1cyclictest7719-21ssh21:55:153
3842992321,1cyclictest7719-21ssh21:55:153
3842992321,1cyclictest16218-21sh21:30:333
384299230,2cyclictest22495-21idleruntime-cro00:30:013
384299230,23cyclictest28795-21diskmemload21:47:563
384299230,23cyclictest0-21swapper/323:46:113
384299230,23cyclictest0-21swapper/321:27:213
384299230,23cyclictest0-21swapper/321:25:003
384299230,22cyclictest6185-21apt19:15:013
384299230,22cyclictest3383-21wc23:35:003
384299230,22cyclictest0-21swapper/322:30:403
384299230,0cyclictest0-21swapper/321:18:563
3837992323,0cyclictest0-21swapper/223:22:592
3837992323,0cyclictest0-21swapper/221:45:482
3837992323,0cyclictest0-21swapper/221:37:192
3837992322,1cyclictest28795-21diskmemload00:36:592
3837992322,1cyclictest16036-21sh21:30:132
383799230,23cyclictest28795-21diskmemload22:00:422
383799230,23cyclictest0-21swapper/221:58:582
383799230,23cyclictest0-21swapper/221:58:582
383799230,22cyclictest6033-21/usr/sbin/munin23:01:342
383799230,22cyclictest26949-21ssh21:41:222
383799230,22cyclictest10913-21munin-run21:25:002
383799230,1cyclictest18640-21systemd-journal00:05:002
3833992323,0cyclictest28795-21diskmemload23:12:251
3833992323,0cyclictest0-21swapper/123:30:241
3833992323,0cyclictest0-21swapper/123:15:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional