You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-11 - 06:43

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 Tue Aug 11, 2026 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29465224522210,95sleep00-21swapper19:07:370
297819916325,22cyclictest32620-21latency_hist19:25:050
297819916016,26cyclictest6053-21memory20:00:450
297819915818,116cyclictest24550-21apt-get21:55:230
297819915816,114cyclictest3824-21apt-get23:05:230
297819915718,23cyclictest11486-21apt-get20:35:260
297819915717,39cyclictest8440-21memory20:15:460
297819915636,94cyclictest13566-21grep00:05:050
297819915617,99cyclictest12696-21apt00:00:010
297819915613,23cyclictest2965-21apt-get23:00:180
29781991559,122cyclictest18063-21sendmail_mailqu00:30:570
297819915518,98cyclictest18542-21diskstats00:35:320
297819915518,26cyclictest16044-21apt-get00:20:240
297819915518,113cyclictest2840-21apt23:00:010
297819915513,118cyclictest31120-21df_inode19:15:450
297819915511,122cyclictest5865-21grep23:15:490
297819915436,24cyclictest30662-21latency_hist19:15:070
297819915422,110cyclictest25555-21apt-get22:00:170
297819915419,109cyclictest7403-21apt-get20:10:200
297819915414,23cyclictest28767-21/usr/sbin/munin22:21:090
297819915414,116cyclictest5473-21latency_hist23:15:010
297819915411,24cyclictest2066-21ntp_kernel_pll_19:35:450
297819915323,109cyclictest9659-21unixbench_singl20:21:030
297819915317,95cyclictest15563-21munin-run21:00:020
297819915317,24cyclictest28650-21munin-run22:20:020
297819915316,117cyclictest24401-21munin-run21:55:030
297819915316,116cyclictest17171-21apt21:10:010
297819915315,23cyclictest1222-21memory19:30:450
297819915311,118cyclictest504-21uname22:45:430
297819915228,33cyclictest17529-21missed_timers21:10:470
297819915216,113cyclictest7101-21munin-run23:25:030
297819915210,117cyclictest20923-21wc21:30:580
297819915114,114cyclictest5101-21diskstats19:55:330
297819915113,115cyclictest1810-21/usr/sbin/munin22:55:050
297819915110,26cyclictest9681-21wc23:40:220
297819915035,21cyclictest23334-21find21:45:570
297819915034,22cyclictest27362-21cat22:10:410
297819915021,101cyclictest21293-21apt-get21:35:220
297819915018,105cyclictest16839-21apt-get00:25:200
297819915013,115cyclictest10524-21munin-run20:30:010
29781991499,25cyclictest10838-21grep23:45:580
29781991499,116cyclictest7896-21munin-run23:30:010
297819914918,27cyclictest14064-21apt-get20:50:190
297819914915,107cyclictest13272-21apt-get20:45:190
297819914914,27cyclictest3017-21processes19:40:560
297819914913,30cyclictest14226-21/usr/sbin/munin00:06:060
297819914913,112cyclictest14413-21/usr/sbin/munin00:10:560
297819914912,25cyclictest9479-21modprobe23:40:010
297819914911,116cyclictest10889-21sort20:30:450
297819914911,115cyclictest11523-21ntp_states23:50:510
297819914910,26cyclictest15918-21latency_hist00:20:060
297819914839,87cyclictest7995-21/usr/sbin/munin23:30:110
297819914813,25cyclictest16307-21head21:01:010
297819914813,22cyclictest32234-21missed_timers22:40:460
297819914812,22cyclictest12784-21systemd-journal22:05:460
297819914811,26cyclictest31106-21wc22:35:030
297819914718,104cyclictest13133-21users20:41:140
297819914711,25cyclictest7173-21sort20:06:020
297819914711,114cyclictest609-21sendmail_mailqu19:25:550
297819914632,21cyclictest3525-21forks19:45:350
297819914613,28cyclictest22726-21unixbench_singl21:41:020
297819914613,107cyclictest18169-21sh21:15:290
297819914612,114cyclictest19271-21ps21:20:570
297819914518,27cyclictest19805-21df_inode21:25:290
297819914517,104cyclictest4434-21memory19:50:460
297819914513,26cyclictest31239-21cat22:35:220
297819914414,112cyclictest30007-21awk22:25:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional