You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-17 - 06:59

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 #7

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: 50.5 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 792 highest latencies:
System rack5slot7s.osadl.org (updated Fri Apr 17, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13042224232188,88sleep00-21swapper19:06:060
135249916422,30cyclictest7901-21apt-get21:50:210
135249916115,23cyclictest20972-21apt-get19:55:230
135249916115,121cyclictest20248-21df_inode19:50:480
13524991609,109cyclictest21360-21uname23:11:140
135249915912,124cyclictest28257-21apt-get20:40:130
135249915722,30cyclictest25129-21diskstats20:20:320
135249915719,111cyclictest14329-21apt-get22:30:200
135249915710,123cyclictest29981-21sort00:05:030
135249915618,25cyclictest702-21apt-get21:11:140
135249915617,26cyclictest14316-21munin-run19:15:040
135249915612,27cyclictest13597-21/usr/sbin/munin22:25:240
135249915612,119cyclictest23669-21grep20:10:440
135249915611,121cyclictest9292-21sed21:56:020
135249915514,119cyclictest29134-21munin-run00:00:030
135249915510,105cyclictest16841-21sshd22:45:230
135249915440,90cyclictest11106-21apt22:10:110
135249915438,95cyclictest19398-21cpu23:00:280
135249915418,107cyclictest18355-21apt-get19:40:170
135249915416,115cyclictest19844-21munin-run19:50:040
135249915415,25cyclictest1730-21apt-get21:16:360
135249915415,114cyclictest16595-21head22:41:030
135249915414,116cyclictest6100-21apt-get21:40:270
135249915317,23cyclictest3763-21df21:25:230
135249915316,113cyclictest14558-21irqstats19:15:200
135249915315,22cyclictest5256-21apt-get21:35:180
135249915314,115cyclictest32094-21cut00:15:580
135249915314,113cyclictest17540-21apt-get22:50:200
135249915313,115cyclictest22725-21tr23:20:020
135249915310,28cyclictest10194-21sshd22:04:240
135249915310,27cyclictest27831-21wc20:35:560
135249915310,117cyclictest20181-21/usr/sbin/munin23:05:340
135249915220,24cyclictest23008-21irqstats23:20:380
135249915219,110cyclictest10966-21users22:06:060
135249915215,110cyclictest15126-21apt-get22:35:190
135249915214,50cyclictest25920-21/usr/sbin/munin20:25:280
135249915214,23cyclictest18231-21apt-get22:55:340
135249915118,96cyclictest26936-21df23:45:230
135249915117,111cyclictest704-21/usr/sbin/munin21:10:050
135249915114,25cyclictest25679-21mailstats23:35:570
135249915114,115cyclictest24282-21df20:15:240
135249915114,113cyclictest2299-21latency_hist00:35:000
135249915113,26cyclictest12557-21users22:16:290
135249915113,24cyclictest15514-21ps19:21:010
135249915113,115cyclictest30746-21munin-run00:10:010
135249915111,116cyclictest18282-21latency_hist19:40:050
135249915017,23cyclictest4634-21irqstats21:30:380
135249915016,47cyclictest30956-21diskstats00:10:310
135249915014,114cyclictest27305-21munin-run20:35:020
13524991499,23cyclictest26341-21ntp_kernel_pll_23:40:500
135249914913,113cyclictest32032-21grep21:00:500
135249914912,112cyclictest2399-21/usr/sbin/munin00:35:450
135249914836,94cyclictest29620-21grep20:45:580
135249914817,25cyclictest28293-21users23:51:110
135249914812,115cyclictest3177-21grep21:21:000
135249914810,114cyclictest22656-21cstates20:05:220
135249914718,25cyclictest31543-21apt21:00:020
135249914715,111cyclictest16735-21/usr/sbin/munin19:30:390
135249914713,111cyclictest6732-1kworker/u3:321:45:160
135249914712,111cyclictest912-21df00:25:260
135249914710,22cyclictest13345-21grep22:21:050
13524991468,45cyclictest16045-21df19:25:260
135249914616,22cyclictest24532-21df_inode23:30:280
135249914535,19cyclictest22305-21wc20:01:000
135249914516,25cyclictest23627-21/usr/sbin/munin23:25:480
135249914419,99cyclictest30053-21apt-get20:50:210
135249914418,26cyclictest707-21apt00:25:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional