You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-08 - 19:23

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 #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
  
Click here to display the system's profile data.
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot7s.osadl.org (updated Thu Jan 08, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4521532143109,28sleep10-21swapper/119:09:141
4520322141101,24sleep20-21swapper/219:07:442
4519482141102,33sleep00-21swapper/019:06:370
4518942141110,26sleep30-21swapper/319:05:573
452462992819,7cyclictest13573-21gdbus19:35:062
452462992418,5cyclictest506586-21awk21:55:012
452462992218,2cyclictest0-21swapper/221:40:012
452456992217,3cyclictest0-21swapper/100:20:001
45246699216,4cyclictest355-21systemd-journal19:57:193
452462992117,2cyclictest0-21swapper/200:14:592
45245699211,17cyclictest487547-21ntpq20:55:171
452452992117,3cyclictest13065-10wireplumber23:05:010
452452992117,1cyclictest453878-21apt-get19:15:020
452452992115,4cyclictest13065-10wireplumber22:20:000
45246699209,8cyclictest475409-21munin-run20:20:003
45246699207,10cyclictest13573-21gdbus21:40:353
452466992016,2cyclictest493070-21idleruntime-cro21:15:013
452466992015,3cyclictest521588-21smartctl22:40:133
452456992011,6cyclictest545998-21memory23:55:151
4916452190,1sleep30-21swapper/321:10:003
452466991912,5cyclictest528997-21dpkg23:05:003
45246699190,5cyclictest530751-21taskset23:08:593
45246699190,17cyclictest458596-21/usr/sbin/munin19:25:183
45246299195,12cyclictest659-21in:imuxsock19:57:182
452462991915,3cyclictest13236-21gnome-shell00:00:012
452462991912,6cyclictest478816-21/usr/sbin/munin20:30:182
452456991918,1cyclictest103-21hwrng19:11:251
452456991915,2cyclictest555250-21packagekitd00:30:331
452456991911,6cyclictest530470-21PK-Backend23:05:341
452456991910,6cyclictest645-21dbus-daemon00:25:051
452452991911,6cyclictest554466-21users00:20:200
452452991911,6cyclictest501268-21/usr/sbin/munin21:40:000
452452991911,6cyclictest469758-21meminfo20:00:170
452466991815,2cyclictest485916-21needreboot20:50:163
452466991815,2cyclictest483478-21apt-key20:45:013
452466991812,4cyclictest519433-21taskset22:34:213
45246699181,11cyclictest13236-21gnome-shell00:03:593
45246699180,16cyclictest493337-21apt-get21:15:113
45246299189,7cyclictest0-21swapper/220:45:002
45246299186,8cyclictest530858-21basename23:10:002
45246299182,14cyclictest491239-21seq21:06:542
452462991815,2cyclictest459336-21dump-pmu-power19:30:012
452462991814,3cyclictest522664-21dump-pmu-power22:45:002
452462991814,3cyclictest13548-21gmain23:20:432
452462991814,2cyclictest0-21swapper/220:00:182
452456991814,2cyclictest465942-21idleruntime-cro19:50:001
452456991813,3cyclictest0-21swapper/119:59:591
45245699181,15cyclictest524993-21ntpq22:50:161
452456991811,4cyclictest645-21dbus-daemon23:20:011
452456991811,4cyclictest542183-21cron23:45:001
45245699180,4cyclictest506250-21seq21:51:001
45245299189,4cyclictest513096-10sshd22:14:120
45245299187,9cyclictest524732-21hddtemp_smartct22:50:130
45245299181,9cyclictest533998-21munin-run23:20:000
452452991815,2cyclictest642-21cron23:35:000
452452991815,2cyclictest13548-21gmain00:30:330
45245299181,15cyclictest794-21snmpd19:53:070
452452991810,7cyclictest509111-21/usr/sbin/munin22:00:150
452466991714,2cyclictest659-21in:imuxsock19:45:003
452466991714,2cyclictest513178-21/usr/sbin/munin22:15:003
45246699171,15cyclictest794-21snmpd21:58:453
452466991711,4cyclictest795-21runrttasks00:21:593
45246699170,5cyclictest559964-21runrttasks00:37:503
45246699170,4cyclictest497687-21taskset21:28:273
45246699170,4cyclictest471410-21grep20:05:163
45246699170,16cyclictest535690-21taskset23:22:503
45246699170,15cyclictest501255-21cron21:40:013
452462991714,2cyclictest534369-21latency_hist23:20:012
45246299171,14cyclictest460638-21taskset19:31:452
45246299170,15cyclictest516935-21/usr/sbin/munin22:25:152
45246299170,15cyclictest501780-21runrttasks21:40:032
45245699178,7cyclictest485189-21awk20:50:001
45245699178,7cyclictest485189-21awk20:50:001
45245699178,6cyclictest509258-21ntpq22:00:181
452456991711,4cyclictest454379-21munin-node19:50:111
452456991710,5cyclictest498313-21seq21:30:051
45245699170,4cyclictest549422-21/usr/sbin/munin00:05:191
45245699170,4cyclictest491422-21runrttasks21:09:131
45245699170,15cyclictest459787-21/usr/sbin/munin19:30:121
45245699170,15cyclictest13236-21gnome-shell20:13:581
45245299178,6cyclictest469094-21systemctl20:00:000
45245299176,5cyclictest506962-10sh21:55:020
452452991714,2cyclictest546917-21cron00:00:010
452452991713,2cyclictest551690-21idleruntime-cro00:15:000
452452991712,4cyclictest462773-21awk19:40:010
452452991711,4cyclictest794-21snmpd20:59:580
45245299170,4cyclictest795-21runrttasks19:29:590
45245299170,4cyclictest541876-21taskset23:41:060
45245299170,15cyclictest355-21systemd-journal21:15:000
45246699169,6cyclictest0-21swapper/321:20:143
45246699169,5cyclictest552420-21needreboot00:15:163
45246699168,3cyclictest525506-10sshd22:51:133
45246699161,7cyclictest480152-21munin-run20:35:003
452466991613,2cyclictest0-21swapper/319:15:013
45246699161,13cyclictest659-21in:imuxsock21:50:103
45246699160,4cyclictest540569-21runrttasks23:39:473
45246699160,3cyclictest477239-21/usr/sbin/munin20:25:143
45246299169,5cyclictest558277-21taskset00:31:222
45246299168,6cyclictest497836-21perf-exec21:30:012
452462991613,2cyclictest659-21in:imuxsock23:55:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional