You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-26 - 06:56

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 #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 
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: 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 Fri Dec 26, 2025 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1650861997536,34cyclictest1657526-21systemctl21:19:593
165086199653,42cyclictest1663694-21kworker/u8:223:20:013
165084799648,4cyclictest131rcu_preempt19:30:010
1650861996224,6cyclictest1651102-21latency_hist19:15:013
1650857996227,21cyclictest30-21ksoftirqd/223:05:032
1650857996227,21cyclictest30-21ksoftirqd/223:05:022
165084799611,3cyclictest0-21swapper/022:25:020
165084799609,3cyclictest131rcu_preempt20:55:010
1650857995811,5cyclictest131rcu_preempt00:14:592
1650861995738,14cyclictest1-21systemd22:05:013
165085799552,10cyclictest30-21ksoftirqd/223:00:012
1650847995437,13cyclictest1-21systemd23:20:020
165086199522,36cyclictest1652296-21kworker/u8:121:00:023
1650857995232,15cyclictest275-21dbus-daemon21:05:012
1650847995233,15cyclictest275-21dbus-daemon23:00:000
165085799517,6cyclictest131rcu_preempt23:40:002
165085799517,6cyclictest131rcu_preempt23:40:002
1650857995113,25cyclictest1662424-21modprobe22:55:002
1650857995011,24cyclictest1656985-21modprobe21:10:002
1650852995034,13cyclictest275-21dbus-daemon19:25:011
1650857994924,18cyclictest275-21dbus-daemon00:40:002
165086199484,3cyclictest131rcu_preempt22:20:033
1650861994833,11cyclictest1-21systemd20:25:003
1650861994826,16cyclictest238-21systemd-journal21:15:013
1650857994830,13cyclictest1655440-21systemctl20:40:012
1650857994826,16cyclictest1-21systemd21:40:002
165084799486,33cyclictest19350irq/34-mmc100:00:020
1650847994842,3cyclictest16950irq/224-800000020:30:000
165086199473,3cyclictest131rcu_preempt00:15:023
165086199472,3cyclictest131rcu_preempt21:55:013
1650861994710,6cyclictest131rcu_preempt20:42:533
165085799479,29cyclictest1656454-21modprobe20:59:592
165085799478,6cyclictest30-21ksoftirqd/220:04:592
165085799476,5cyclictest131rcu_preempt20:55:022
1650857994728,14cyclictest1-21systemd19:15:012
1650857994727,14cyclictest275-21dbus-daemon00:25:012
1650857994712,6cyclictest131rcu_preempt22:20:022
165085799466,30cyclictest238-21systemd-journal21:20:002
1650857994629,13cyclictest275-21dbus-daemon22:15:002
1650857994629,13cyclictest1-21systemd22:10:022
1650857994616,25cyclictest291rcuc/223:55:012
1650852994635,8cyclictest1663728-21munin-plugin-st23:20:001
1650852994629,12cyclictest238-21systemd-journal20:10:001
1650847994629,13cyclictest238-21systemd-journal22:05:010
1650847994618,3cyclictest131rcu_preempt21:00:190
1650861994511,6cyclictest131rcu_preempt21:58:133
1650857994532,9cyclictest30-21ksoftirqd/222:05:022
1650857994530,10cyclictest1-21systemd23:15:002
1650857994529,8cyclictest309-21in:imuxsock20:45:002
1650857994529,10cyclictest238-21systemd-journal22:00:002
1650857994521,16cyclictest238-21systemd-journal19:45:012
1650852994529,11cyclictest275-21dbus-daemon21:15:011
165085299451,3cyclictest131rcu_preempt22:00:011
1650847994528,13cyclictest1661666-21tr22:40:000
165084799452,39cyclictest1662409-21sshd22:53:230
165084799452,38cyclictest1655181-21munin-plugin-st20:35:010
165084799452,11cyclictest1656978-21cron21:10:000
1650847994521,18cyclictest1-21systemd22:35:000
1650861994429,12cyclictest37-21ksoftirqd/320:50:003
165085799448,6cyclictest131rcu_preempt21:15:012
1650857994428,13cyclictest30-21ksoftirqd/223:10:002
1650857994410,5cyclictest131rcu_preempt23:30:002
1650852994430,10cyclictest238-21systemd-journal23:26:211
1650852994427,15cyclictest1656971-21sshd21:08:001
1650847994437,4cyclictest16850irq/134-800000019:40:010
165084799441,7cyclictest1668092-21sed00:40:020
165084799441,3cyclictest131rcu_preempt21:25:030
165084799441,3cyclictest131rcu_preempt21:25:020
165086199433,9cyclictest1651831-21munin-run19:30:003
1650861994331,8cyclictest275-21dbus-daemon21:40:023
1650857994330,9cyclictest275-21dbus-daemon22:40:012
1650857994327,12cyclictest238-21systemd-journal23:15:032
1650857994326,10cyclictest309-21in:imuxsock23:45:012
1650852994331,9cyclictest23-21ksoftirqd/100:05:021
1650852994330,10cyclictest1-21systemd20:05:001
1650852994329,11cyclictest23-21ksoftirqd/123:45:011
1650852994326,12cyclictest238-21systemd-journal00:00:011
165085299431,3cyclictest131rcu_preempt21:45:021
1650861994229,10cyclictest275-21dbus-daemon00:40:023
1650861994228,8cyclictest238-21systemd-journal00:20:003
1650861994227,12cyclictest275-21dbus-daemon00:35:003
1650861994226,12cyclictest275-21dbus-daemon00:00:013
1650861994225,13cyclictest1-21systemd21:45:003
165086199422,4cyclictest131rcu_preempt22:25:003
1650852994232,7cyclictest1661378-21sshd22:33:211
1650852994230,8cyclictest1656447-21sshd20:59:191
1650852994230,10cyclictest23-21ksoftirqd/100:20:001
1650852994227,12cyclictest1661917-21cron22:45:001
1650852994227,12cyclictest1661917-21cron22:45:001
1650852994224,14cyclictest238-21systemd-journal22:40:011
165084799429,21cyclictest1650849-21latency_hist19:10:020
1650847994228,11cyclictest12-21ksoftirqd/021:20:010
165084799422,7cyclictest1651068-21ls19:15:010
1650847994224,14cyclictest1660593-21sshd22:17:220
1650847994221,16cyclictest275-21dbus-daemon23:35:000
165084799421,36cyclictest1655454-21sendmail20:40:000
1650861994131,5cyclictest309-21in:imuxsock22:45:013
1650861994131,5cyclictest309-21in:imuxsock22:45:003
1650861994130,8cyclictest1666292-21sshd00:07:213
1650861994130,8cyclictest1666292-21sshd00:07:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional