You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-12 - 04:10

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 highest latencies:
System rack5slot7s.osadl.org (updated Mon Jan 12, 2026 00:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26857223732144,175sleep00-21swapper19:07:210
271989916012,121cyclictest31100-21apt-get22:51:570
271989915916,118cyclictest9734-21apt20:40:010
271989915912,27cyclictest13319-21munin-run00:20:020
271989915723,30cyclictest12584-21diskstats20:55:420
271989915715,115cyclictest13762-21systemctl21:00:570
271989915616,117cyclictest8417-21irqstats20:30:460
271989915516,108cyclictest2981-21apt-get23:15:180
271989915513,38cyclictest24137-21find22:05:550
271989915419,30cyclictest14886-21users00:26:050
271989915415,113cyclictest18525-21wc21:30:550
271989915411,118cyclictest7889-21awk20:26:580
271989915411,118cyclictest32229-21/usr/sbin/munin22:55:460
271989915324,111cyclictest19258-21wc21:35:530
27198991529,119cyclictest10128-21modprobe00:00:030
27198991528,120cyclictest20509-21apt21:45:110
271989915226,105cyclictest10226-21apt-get00:00:130
271989915216,98cyclictest14782-21munin-run21:10:020
271989915215,115cyclictest16392-21munin-run21:20:030
271989915212,115cyclictest10935-21tr20:45:460
271989915211,46cyclictest27054-1kworker/u3:222:26:370
271989915210,102cyclictest5468-21cstates23:30:220
271989915118,110cyclictest31028-21uname19:30:400
271989915112,116cyclictest11513-21apt-get20:50:240
271989915110,118cyclictest25599-21cat22:15:460
27198991509,115cyclictest30259-21grep22:41:020
271989915021,100cyclictest4106-21df_inode20:05:290
271989915019,23cyclictest24507-21apt-get22:10:160
271989915017,37cyclictest22798-21munin-run22:00:020
271989915016,111cyclictest29496-21munin-run22:40:030
271989915014,112cyclictest17307-21apt-get21:25:170
271989915012,24cyclictest19713-21/usr/sbin/munin21:41:080
271989915011,26cyclictest21740-21awk21:50:540
271989915011,24cyclictest23221-21/usr/sbin/munin22:00:490
271989915011,115cyclictest32323-21modprobe19:40:000
271989915011,115cyclictest27717-21fgrep19:11:020
271989914918,28cyclictest8052-21memory23:45:450
271989914916,47cyclictest911-21diskstats19:45:330
271989914915,115cyclictest4100-21tr23:20:460
271989914913,36cyclictest7304-21awk23:40:470
271989914913,113cyclictest28001-21apt-get22:30:270
271989914911,25cyclictest6819-21head23:36:020
271989914911,25cyclictest109-21systemd-journal19:20:020
271989914910,40cyclictest29516-21missed_timers19:20:470
271989914910,101cyclictest30935-21sort22:46:010
271989914834,91cyclictest1221-21head23:01:020
271989914820,28cyclictest8607-21apt-get23:50:200
271989914820,26cyclictest4717-21diskstats23:25:330
271989914817,105cyclictest32459-21apt-get19:40:150
271989914812,27cyclictest26175-21/usr/sbin/munin22:20:340
271989914812,26cyclictest16509-21/usr/sbin/munin21:20:360
271989914722,27cyclictest15682-21users00:31:080
271989914717,24cyclictest5870-21ntp_kernel_err20:15:460
271989914715,103cyclictest11815-21apt-get00:10:190
271989914711,111cyclictest289-21snmpd20:20:480
27198991469,113cyclictest2024-21sed23:06:030
271989914636,22cyclictest15004-21/usr/sbin/munin21:10:320
271989914616,26cyclictest5344-21sort20:11:030
271989914615,109cyclictest2188-21apt-get23:10:170
271989914615,109cyclictest10435-21grep20:41:040
271989914612,25cyclictest3422-21/usr/sbin/munin20:00:410
271989914526,97cyclictest0-21swapper19:26:040
271989914517,22cyclictest16522-21munin-run00:40:010
271989914516,104cyclictest11021-21apt-get00:05:120
271989914418,25cyclictest13439-21apt-get00:20:200
271989914319,23cyclictest2703-21ntp_states19:55:510
271989914316,90cyclictest2282-21modprobe19:55:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional