You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-02 - 06:49
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack9slot2.osadl.org (updated Wed Apr 02, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20312308270,25sleep00-21swapper/00
21622260203,44sleep20-21swapper/22
253999250246,2cyclictest0-21swapper/33
20272234195,26sleep10-21swapper/11
253399233226,5cyclictest0-21swapper/22
22762230181,36sleep30-21swapper/33
252699198193,3cyclictest0-21swapper/00
253299173167,3cyclictest9590-21apt-get1
1812021610,3sleep3253999cyclictest3
221902570,1sleep30-21swapper/33
19252490,2sleep30-21swapper/33
132672460,1sleep00-21swapper/00
129052410,1sleep00-21swapper/00
11832410,1sleep00-21swapper/00
2539992714,3cyclictest293922ls3
56362260,3sleep35641-21pmu-power3
2533992317,4cyclictest16391-21sed2
253399231,4cyclictest4748-21munin-run2
253399231,20cyclictest6053-21cups-browsed2
253399231,19cyclictest2176-21munin-run2
2533992311,11cyclictest28-21ksoftirqd/22
253399230,21cyclictest7102-21kworker/2:02
2526992317,4cyclictest3328-21ntpq0
2526992317,3cyclictest25640-21cron0
2526992317,3cyclictest25640-21cron0
253399229,11cyclictest22708-21apt-get2
253399223,17cyclictest4455-21sendmail2
253399223,17cyclictest24395-21df2
253399223,17cyclictest12931-21cat2
253399221,3cyclictest13039-21users2
253399221,18cyclictest17790-21munin-run2
252699229,11cyclictest0-21swapper/00
2526992215,4cyclictest30572-21idleruntime-cro0
2539992112,5cyclictest505-21dbus-daemon3
253999211,16cyclictest22719-21run-parts3
253399216,13cyclictest11359-21latency_hist2
253399213,17cyclictest13699-21cut2
2533992116,3cyclictest6772-21munin-run2
2533992116,3cyclictest6772-21munin-run2
2533992116,3cyclictest14784-21idleruntime-cro2
2533992115,3cyclictest31538-21latency2
253399211,3cyclictest505-21dbus-daemon2
253399211,2cyclictest19041-21apt-get2
253399211,18cyclictest27728-21munin-run2
253399211,18cyclictest23618-21cstates2
253399210,3cyclictest14026-21munin-run2
253399210,2cyclictest20711-21munin-run2
253299218,10cyclictest20792-21dump-pmu-power1
2532992115,4cyclictest1929-21seq1
2532992115,4cyclictest18778-21cron1
2526992114,4cyclictest2082-21systemd-journal0
2526992113,5cyclictest23248-21grep0
252699211,17cyclictest3686-21sort0
293942200,2sleep10-21swapper/11
253999209,5cyclictest182202chrt3
2539992015,3cyclictest27988-21apt-get3
2539992015,3cyclictest24771-21sed3
2539992015,3cyclictest12128-21sed3
2539992014,4cyclictest13598-21wc3
2539992012,5cyclictest505-21dbus-daemon3
2533992016,2cyclictest9513-21aten2_r9power_v2
2533992015,3cyclictest6446-21turbostat.cron2
2533992015,3cyclictest18199-21acpi2
2533992015,3cyclictest15045-21ntp_kernel_pll_2
2533992015,3cyclictest14105-21aten2_r9power_p2
2533992014,4cyclictest32012-21seq2
2533992014,4cyclictest28362-21mktemp2
2533992014,4cyclictest19851-21awk2
2533992014,4cyclictest10409-21users2
253399201,3cyclictest2413-21munin-run2
253399201,17cyclictest9325-21cron2
253399200,3cyclictest28894-21/usr/sbin/munin2
253399200,3cyclictest26419-21cat2
253399200,17cyclictest13769-21munin-run2
2532992016,2cyclictest20710-21sh1
2532992015,3cyclictest5189-21cut1
2532992015,3cyclictest20958-21/usr/sbin/munin1
2532992015,3cyclictest19006-21kernelversion1
2532992015,3cyclictest11778-21apt-config1
2532992015,3cyclictest11014-21/usr/sbin/munin1
2532992014,4cyclictest9400-21date1
2532992014,4cyclictest8521-21seq1
2532992014,4cyclictest3018-21cat1
2532992013,4cyclictest505-21dbus-daemon1
252699202,16cyclictest754-21cut0
252699202,11cyclictest28486-21runrttasks0
2526992016,2cyclictest14005-21/usr/sbin/munin0
2526992015,3cyclictest6360-21sed0
2526992015,3cyclictest2660-21/usr/sbin/munin0
2526992014,4cyclictest8731-21sed0
2526992014,3cyclictest20642-21sh0
2526992014,3cyclictest17974-21sh0
2526992014,3cyclictest13191-21grep0
2526992012,5cyclictest505-21dbus-daemon0
252699201,17cyclictest29739-21basename0
2526992010,6cyclictest505-21dbus-daemon0
253999194,9cyclictest11910-21apt-get3
253999193,8cyclictest661-21apt-get3
2539991916,2cyclictest0-21swapper/33
2539991915,2cyclictest27625-21sed3
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional