You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-07-27 - 07:20

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 #f, 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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4s.osadl.org (updated Sat Jul 27, 2024 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1082921190,3chrt10816-21ntpq21:06:210
2140421170,3chrt21403-21/usr/sbin/munin00:20:420
2809221120,2chrt28088-21ps20:36:200
875721110,2chrt8758-21sh23:57:150
2717021110,2chrt27169-21sort22:35:050
1768521110,3chrt16170-21/usr/sbin/munin22:17:060
775121090,2chrt7752-21open_inodes19:57:110
1326221080,1sleep013295-21if_err_can000:05:570
1983421030,2chrt19835-21sh19:16:460
1464321030,2chrt14644-21ld22:11:310
52462860,2sleep05249-21irqrtprio20:55:440
7922830,1sleep0793-21ntp_states21:46:590
203872750,2sleep020388-21sh22:21:560
152982720,1sleep015301-21cut23:11:040
275122700,1sleep027513-21hostname22:35:350
124232700,2sleep012420-21uptime22:07:220
301792620,2sleep030182-21grep23:37:150
278042614,8sleep027808-21ntpq00:31:340
105582600,1sleep010560-21sort23:02:150
79212594,8sleep07631-21apt-get22:00:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional