You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-11-21 - 16:28
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack8slot8.osadl.org (updated Wed Jan 10, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161212610,1sleep016124-21cut0
3770994812,22cyclictest25271-21acpi1
377099471,30cyclictest4463-21munin-run1
377099461,31cyclictest27297-21kworker/u8:01
377099441,27cyclictest23716-21diskstats1
377099441,26cyclictest17444-21aten2.4_r8power1
377099436,23cyclictest821-21gdbus1
377099421,26cyclictest32358-21/usr/sbin/munin1
377099421,25cyclictest698-21sh1
377099411,25cyclictest6850-21unixbench-2d1
377099411,25cyclictest20916-21chrt1
377099411,24cyclictest7379-21/usr/sbin/munin1
377099411,24cyclictest12015-21sh1
377099407,19cyclictest7929-21cat1
377099401,25cyclictest30776-21chrt1
377099401,24cyclictest5429-21needreboot1
377099401,24cyclictest13491-21chrt1
377099401,23cyclictest15469-21acpi1
280812391,20sleep028086-21ntp_states0
377099381,23cyclictest21754-21sh1
376999371,15cyclictest28272-1kworker/u9:00
3769993416,4cyclictest26120-21ntp_states0
376999332,4cyclictest121rcu_preempt0
376999331,11cyclictest80850irq/133-enp2s0-0
3769993215,4cyclictest4137-21diskmemload0
376999321,17cyclictest29544-21cstates0
376999321,10cyclictest121rcu_preempt0
3769993115,3cyclictest19758-21expr0
376999311,17cyclictest23395-21aten2.4_r8power0
376999311,16cyclictest7461-21ntpq0
376999311,14cyclictest18286-21ntp_states0
376999303,10cyclictest121rcu_preempt0
376999301,6cyclictest80850irq/133-enp2s0-0
376999282,5cyclictest22264-21processes0
3769992821,4cyclictest7339-21kworker/u8:00
376999268,4cyclictest11668-21aten2.4-expect0
none3
none3
none3
none3
none3
none3
none3
none3
none3
none3
none3
none3
none3
none3
none3
none3
none3
none3
none2
none2
none2
none2
none2
none2
none2
none2
none2
none2
none2
none2
none2
none2
none2
none2
none2
none2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional