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2025-11-29 - 15:10

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #3

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 
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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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3s.osadl.org (updated Sat Nov 29, 2025 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4368209910878,15cyclictest451847-40mandb00:00:021
436825998028,11cyclictest30-21ksoftirqd/200:00:012
43682599686,8cyclictest30-21ksoftirqd/219:35:012
43682599685,8cyclictest30-21ksoftirqd/200:00:032
43682599614,7cyclictest30-21ksoftirqd/223:35:012
436828995845,11cyclictest37-21ksoftirqd/320:25:003
43682599581,12cyclictest448215-21latency_hist22:50:022
436814995815,10cyclictest131rcu_preempt22:00:000
43682599575,9cyclictest30-21ksoftirqd/222:55:012
43682599567,10cyclictest30-21ksoftirqd/219:45:002
436825995640,12cyclictest452852-21cron00:20:002
436825995633,16cyclictest235-21systemd-journal20:15:012
436814995637,14cyclictest272-21dbus-daemon21:00:010
43682599556,6cyclictest30-21ksoftirqd/220:05:022
43682599555,4cyclictest131rcu_preempt19:20:012
436820995538,13cyclictest1-21systemd23:20:011
436825995431,14cyclictest272-21dbus-daemon23:25:012
436814995438,12cyclictest443525-21systemctl21:20:000
43682599536,8cyclictest30-21ksoftirqd/200:30:012
43682599533,8cyclictest30-21ksoftirqd/222:05:012
436825995333,16cyclictest448708-21run-parts23:00:002
436825995331,12cyclictest272-21dbus-daemon23:15:012
43682599532,10cyclictest30-21ksoftirqd/221:55:012
43682599532,10cyclictest30-21ksoftirqd/221:55:002
436825995311,10cyclictest30-21ksoftirqd/223:40:012
43682599522,10cyclictest447183-21latency_hist22:30:002
436825995218,12cyclictest30-21ksoftirqd/221:05:022
436825995211,7cyclictest131rcu_preempt23:45:012
43682599521,12cyclictest30-21ksoftirqd/220:00:002
436820995232,16cyclictest1-21systemd19:20:001
43682599518,8cyclictest30-21ksoftirqd/221:30:012
43682599517,8cyclictest30-21ksoftirqd/220:35:012
43682599516,9cyclictest30-21ksoftirqd/223:10:012
43682599515,8cyclictest30-21ksoftirqd/221:42:522
436825995138,9cyclictest235-21systemd-journal00:25:002
436825995138,10cyclictest1-21systemd22:35:012
43682599513,12cyclictest30-21ksoftirqd/219:40:012
43682599513,12cyclictest30-21ksoftirqd/219:40:012
436820995136,11cyclictest1-21systemd23:25:011
43682599504,11cyclictest30-21ksoftirqd/221:19:592
436825995034,11cyclictest1-21systemd21:10:002
436825995032,14cyclictest235-21systemd-journal22:10:012
436825995032,14cyclictest235-21systemd-journal22:10:002
43682599502,10cyclictest30-21ksoftirqd/221:25:022
43682599502,10cyclictest30-21ksoftirqd/221:25:022
436825995016,13cyclictest30-21ksoftirqd/221:40:012
436825995016,13cyclictest30-21ksoftirqd/221:40:002
43682599501,12cyclictest449774-21sendmail-msp23:20:012
436814995032,13cyclictest272-21dbus-daemon00:40:010
43682599496,10cyclictest30-21ksoftirqd/220:25:012
43682599495,8cyclictest30-21ksoftirqd/221:15:012
43682599493,7cyclictest30-21ksoftirqd/221:35:022
436825994934,11cyclictest448980-21munin-plugin-st23:05:012
436825994934,11cyclictest448980-21munin-plugin-st23:05:002
43682599493,11cyclictest30-21ksoftirqd/223:30:012
43682599492,9cyclictest30-21ksoftirqd/200:15:002
43682599492,13cyclictest30-21ksoftirqd/200:10:012
43682599492,13cyclictest30-21ksoftirqd/200:10:002
436825994910,5cyclictest131rcu_preempt22:35:032
436820994932,12cyclictest272-21dbus-daemon22:10:011
436820994932,12cyclictest272-21dbus-daemon22:10:001
43681499499,6cyclictest131rcu_preempt19:35:000
436814994945,2cyclictest0-21swapper/022:15:010
436814994934,11cyclictest451822-21systemctl00:00:000
43681499492,7cyclictest1-21systemd23:05:010
43681499492,7cyclictest1-21systemd23:05:000
436814994918,15cyclictest12-21ksoftirqd/021:30:000
436828994812,6cyclictest131rcu_preempt19:45:013
43682599487,9cyclictest30-21ksoftirqd/220:20:012
43682599485,9cyclictest30-21ksoftirqd/220:10:022
43682599485,9cyclictest30-21ksoftirqd/220:10:012
43682599484,14cyclictest30-21ksoftirqd/220:45:002
43682599483,6cyclictest30-21ksoftirqd/221:00:012
43682599483,12cyclictest30-21ksoftirqd/219:50:002
436825994831,11cyclictest441422-21sh20:40:002
436825994828,14cyclictest1-21systemd22:45:002
43682599482,10cyclictest30-21ksoftirqd/223:50:032
436820994830,14cyclictest272-21dbus-daemon23:00:001
436814994833,12cyclictest1-21systemd23:50:010
43682599474,8cyclictest30-21ksoftirqd/219:30:012
436825994724,15cyclictest235-21systemd-journal00:35:012
43682599471,5cyclictest0-21swapper/219:55:002
436814994730,13cyclictest272-21dbus-daemon22:55:000
43681499472,9cyclictest448045-21latency_hist22:45:020
436814994717,6cyclictest131rcu_preempt00:35:000
436814994717,17cyclictest12-21ksoftirqd/022:20:010
43682899461,5cyclictest131rcu_preempt22:00:003
43682599466,9cyclictest30-21ksoftirqd/220:55:002
43682599465,9cyclictest30-21ksoftirqd/219:10:032
43682599465,13cyclictest30-21ksoftirqd/221:50:012
43682599462,9cyclictest30-21ksoftirqd/200:37:042
436825994627,14cyclictest272-21dbus-daemon22:20:002
43682599461,12cyclictest30-21ksoftirqd/222:00:002
436820994632,10cyclictest272-21dbus-daemon19:15:001
436814994631,11cyclictest272-21dbus-daemon00:20:010
436814994627,14cyclictest440648-21sshd20:24:370
43682899452,13cyclictest131rcu_preempt00:00:013
43682599456,7cyclictest30-21ksoftirqd/220:30:012
436825994515,9cyclictest30-21ksoftirqd/222:15:022
43682099453,5cyclictest131rcu_preempt22:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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