You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-13 - 03:49

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 #5, 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 - 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: 50.5 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 highest latencies:
System rack5slot7s.osadl.org (updated Tue May 13, 2025 00:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27577224292189,97sleep00-21swapper19:06:130
280449916230,36cyclictest32351-21latency_hist22:50:070
280449916117,116cyclictest19120-21apt-get21:30:180
280449915916,119cyclictest29273-21users19:15:180
280449915913,41cyclictest31190-21apt-get19:25:310
280449915719,26cyclictest29086-21munin-node19:15:080
280449915620,26cyclictest4470-21diskstats23:16:040
280449915519,28cyclictest25263-1kworker/u3:622:06:540
280449915519,108cyclictest13191-21apt-get00:10:250
280449915515,114cyclictest25830-21/usr/sbin/munin22:12:000
280449915514,116cyclictest15608-21apt-get00:25:220
280449915512,119cyclictest10685-21latency_hist23:55:010
280449915416,100cyclictest30503-21irqstats19:20:420
280449915415,116cyclictest32298-21apt-get22:51:200
280449915414,24cyclictest14693-21apt00:20:010
280449915414,116cyclictest18330-21apt-get21:25:200
280449915316,115cyclictest5880-21grep20:06:020
280449915313,39cyclictest29055-21cron22:30:000
280449915313,117cyclictest30652-21munin-run22:40:010
280449915311,115cyclictest8284-21sh23:40:010
28044991528,117cyclictest6313-21sshd20:10:210
280449915219,23cyclictest23933-21apt-get22:00:200
280449915216,21cyclictest4374-21apt20:00:010
280449915215,24cyclictest30772-21apt-get22:40:180
280449915214,24cyclictest1789-21sshd23:00:200
280449915212,25cyclictest16536-21sed21:11:050
280449915212,117cyclictest14622-21awk21:00:470
280449915211,117cyclictest17103-21grep00:35:030
280449915210,57cyclictest4374-21apt-get20:01:050
280449915122,20cyclictest0-21swapper21:45:280
280449915117,22cyclictest5458-21memory23:20:540
280449915115,105cyclictest9203-21apt-get23:45:180
280449915113,22cyclictest29530-21wc22:30:560
280449915113,115cyclictest12046-21mailstats00:00:590
280449915113,114cyclictest20334-21grep21:35:580
280449915037,92cyclictest1828-21switchtime19:41:010
280449915020,102cyclictest13510-21apt-get20:55:200
280449915018,106cyclictest8523-21diskstats23:40:350
280449915015,92cyclictest112-21systemd-journal19:40:020
280449915013,96cyclictest11926-21apt-get20:45:210
280449914917,22cyclictest17894-21munin-run00:40:020
280449914915,23cyclictest23225-21diskstats21:55:330
280449914914,108cyclictest2576-21apt-get23:05:190
280449914914,105cyclictest22317-21apt-get21:50:170
280449914913,21cyclictest21161-21find21:40:560
280449914910,115cyclictest14814-21/usr/sbin/munin00:21:000
280449914816,107cyclictest3368-21apt-get23:10:220
280449914813,24cyclictest2810-21wc19:50:040
280449914812,24cyclictest18166-21unixbench_singl21:21:040
280449914715,48cyclictest6699-21munin-run23:30:010
280449914714,112cyclictest10773-21cut20:35:590
280449914713,20cyclictest7931-21apt-get20:20:200
280449914713,109cyclictest28186-21grep22:21:040
280449914712,112cyclictest11133-21apt-get20:40:220
280449914711,95cyclictest3579-21munin-plugin-st19:55:010
280449914620,100cyclictest16882-21irqstats21:15:430
280449914612,110cyclictest27335-21wc22:16:100
280449914611,112cyclictest15746-21unixbench_singl21:06:050
28044991459,95cyclictest13089-21apt00:10:000
28044991458,117cyclictest7567-21awk20:15:560
280449914518,24cyclictest9522-21apt-get20:30:200
280449914513,99cyclictest31025-1kworker/u3:019:30:170
280449914513,25cyclictest11202-21rt-features23:55:560
280449914511,24cyclictest7265-21awk23:30:580
280449914325,102cyclictest465-1kworker/u3:122:55:210
280449914315,25cyclictest8875-21/usr/sbin/munin20:25:390
280449914274,47cyclictest268-21snmpd20:50:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional