You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-19 - 09:41

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 Sun Apr 19, 2026 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9368224402199,96sleep00-21swapper19:06:290
98059916822,117cyclictest17887-21apt-get23:15:310
98059916511,128cyclictest22942-21/usr/sbin/munin20:25:550
98059916415,124cyclictest13481-21apt-get22:52:000
98059916012,124cyclictest25163-21cron00:00:000
98059915814,119cyclictest31471-21apt21:20:020
98059915712,27cyclictest18126-21awk19:56:480
98059915618,37cyclictest13483-21munin-run22:50:030
98059915616,22cyclictest29282-21df_inode21:05:300
98059915615,24cyclictest22427-21apt20:25:010
98059915614,26cyclictest7146-21/usr/sbin/munin22:11:110
98059915611,122cyclictest6174-21head22:01:040
98059915517,115cyclictest10597-21munin-run19:15:020
98059915516,116cyclictest24377-21apt23:55:010
98059915515,120cyclictest25807-21apt-get20:45:280
98059915418,96cyclictest14960-21munin-run19:40:030
98059915417,110cyclictest20474-21apt-get23:30:190
98059915412,117cyclictest4226-21grep21:50:470
98059915411,41cyclictest17007-21grep23:10:050
98059915316,116cyclictest11870-21munin-run22:40:020
98059915314,19cyclictest5439-21systemctl22:00:000
98059915313,114cyclictest21494-21wc20:16:020
98059915312,40cyclictest14151-21sh19:35:010
98059915312,117cyclictest15964-21sort23:01:010
98059915311,26cyclictest27636-21cstates20:55:250
98059915230,101cyclictest28378-21apt-get21:00:100
98059915213,113cyclictest954-21cat21:30:410
98059915211,116cyclictest31322-21awk00:35:530
98059915210,120cyclictest15875-21apt-get19:45:190
98059915116,96cyclictest27005-21diskstats00:10:290
98059915116,23cyclictest12101-21diskstats22:40:320
98059915116,114cyclictest11981-21diskstats19:20:320
98059915114,113cyclictest32194-21sort21:21:030
98059915113,39cyclictest23626-21awk20:30:470
98059915111,21cyclictest18884-21/usr/sbin/munin23:21:040
98059915111,117cyclictest11753-21modprobe19:20:020
98059915111,101cyclictest19938-21grep20:06:040
98059915041,88cyclictest32597-21latency21:25:400
98059915030,99cyclictest18111-21kworker/u2:1720:00:180
98059915019,104cyclictest8776-21apt-get22:20:180
98059915016,50cyclictest24824-21munin-run20:40:040
98059915014,25cyclictest2226-21apt21:40:020
98059915013,43cyclictest29562-21/usr/sbin/munin00:25:440
98059915013,113cyclictest9569-21/usr/sbin/munin22:26:010
98059914921,100cyclictest22093-21apt-get23:40:210
98059914912,114cyclictest29165-21head00:21:030
98059914911,116cyclictest26765-21apt-get20:50:160
98059914911,114cyclictest454-21sendmail-mta19:50:110
98059914911,114cyclictest21455-21uname23:35:390
98059914910,114cyclictest20106-21fgrep23:25:590
98059914818,106cyclictest14724-21diskstats22:55:410
98059914817,49cyclictest25051-21df_inode20:40:260
98059914816,24cyclictest23207-21ntp_states23:45:490
98059914815,44cyclictest10367-21/usr/sbin/munin22:30:460
98059914814,109cyclictest30603-21sed21:11:040
98059914814,109cyclictest17195-21irqstats23:10:370
9805991479,96cyclictest8582-21grep22:16:050
98059914713,24cyclictest30542-21find00:30:560
98059914713,112cyclictest2352-21apt-get21:40:170
98059914710,112cyclictest28400-21apt00:20:010
98059914610,111cyclictest6418-21/usr/sbin/munin22:05:240
98059914568,53cyclictest20104-21apt-get20:10:120
98059914516,103cyclictest26097-21apt-get00:05:120
98059914515,109cyclictest15775-21munin-run19:45:020
98059914510,24cyclictest26087-21cut00:05:050
98059914416,31cyclictest3462-21ntpq21:45:510
98059914415,23cyclictest12719-21/usr/sbin/munin19:25:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional