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2026-02-06 - 16:03
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #8

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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  Congatec
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 376 highest latencies:
System rackeslot8s.osadl.org (updated Fri Feb 06, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22992209912790,1275cyclictest25850532sleep33
22992209912710,1267cyclictest25203342sleep33
22992209911920,1188cyclictest24883022sleep33
22992209911470,1143cyclictest25529822sleep33
229922099187,8cyclictest2697122-21turbostat3
2299220991815,1cyclictest0-21swapper/33
2299220991815,1cyclictest0-21swapper/33
229922099181,14cyclictest2417645-21turbostat3
229922099176,8cyclictest2578687-21turbostat3
2299220991714,1cyclictest0-21swapper/33
229922099171,12cyclictest2313469-21taskset3
229922099165,8cyclictest2683655-21taskset3
2299220991613,1cyclictest0-21swapper/33
2299220991613,1cyclictest0-21swapper/33
2299220991613,1cyclictest0-21swapper/33
2299220991613,1cyclictest0-21swapper/33
2299220991613,1cyclictest0-21swapper/33
2299220991513,1cyclictest0-21swapper/33
2299220991513,1cyclictest0-21swapper/33
229922099151,11cyclictest2656242-21taskset3
229922099151,11cyclictest2533920-21taskset3
229922099151,11cyclictest2533920-21taskset3
229922099151,10cyclictest2474742-21taskset3
301798140,2rtkit-daemon0-21swapper/11
229922099144,8cyclictest2565826-21turbostat3
2299220991412,1cyclictest0-21swapper/33
2299220991412,1cyclictest0-21swapper/33
2299220991412,1cyclictest0-21swapper/33
2299220991412,1cyclictest0-21swapper/33
2299220991412,1cyclictest0-21swapper/33
2299220991412,1cyclictest0-21swapper/33
229922099141,11cyclictest2405064-21chrt3
2299220991411,1cyclictest0-21swapper/33
2299220991411,1cyclictest0-21swapper/33
2299220991411,1cyclictest0-21swapper/33
2299220991411,1cyclictest0-21swapper/33
2299220991411,1cyclictest0-21swapper/33
229922099141,10cyclictest2710234-21taskset3
229922099141,10cyclictest2709657-21chrt3
229922099141,10cyclictest2674988-21turbostat3
229922099141,10cyclictest2623597-21turbostat3
23456592131,9sleep22345740-21/usr/sbin/munin2
229922099135,6cyclictest2636437-21turbostat3
229922099134,7cyclictest2532724-21taskset3
229922099134,7cyclictest2532724-21taskset3
229922099134,6cyclictest2591916-21taskset3
229922099131,9cyclictest2436513-21taskset3
229922099131,9cyclictest2418063-21taskset3
229922099131,9cyclictest2385801-21chrt3
2299220991312,1cyclictest0-21swapper/33
2299220991312,0cyclictest0-21swapper/33
2299220991311,1cyclictest0-21swapper/33
2299220991311,1cyclictest0-21swapper/33
229922099131,10cyclictest2649102-21chrt3
229922099131,10cyclictest2305431-21chrt3
2299220991311,0cyclictest0-21swapper/33
2299220991310,1cyclictest0-21swapper/33
2299220991310,1cyclictest0-21swapper/33
229922099130,10cyclictest2722475-21chrt3
229922099130,10cyclictest2437106-21taskset3
25601212121,8sleep02561112-21irqstats0
25520912120,5sleep22552147-21ntp_states2
25272912121,7sleep02527324-21apt-get0
25272912121,7sleep02527324-21apt-get0
229922099121,9cyclictest2662352-21taskset3
229922099121,9cyclictest2629894-21taskset3
229922099121,9cyclictest2507188-21taskset3
229922099121,9cyclictest2494962-21taskset3
2299220991210,1cyclictest0-21swapper/33
2299220991210,1cyclictest0-21swapper/33
229922099120,9cyclictest2585305-21chrt3
229922099120,9cyclictest2339504-21taskset3
229922099120,10cyclictest2690065-21taskset3
229922099120,10cyclictest2462543-21taskset3
22988292120,3sleep30-21swapper/33
301798110,7rtkit-daemon636-21snmpd1
301798110,7rtkit-daemon2307725-21df_inode1
301798110,4rtkit-daemon3205-21sendmail-mta1
301798110,4rtkit-daemon3200908-21packagekitd1
26111842111,7sleep02611343-21gltestperf0
25917632111,7sleep22591915-21df_inode2
24608232110,8sleep12461552-21wc1
301798100,6rtkit-daemon317-21systemd-udevd1
301798100,5rtkit-daemon2351484-21kthreadcore1
301798100,3rtkit-daemon636-21snmpd1
301798100,3rtkit-daemon636-21snmpd1
301798100,3rtkit-daemon636-21snmpd1
301798100,3rtkit-daemon636-21snmpd1
301798100,3rtkit-daemon3205-21sendmail-mta1
301798100,3rtkit-daemon3200908-21packagekitd1
25203382101,6sleep21-21systemd2
24586932100,7sleep02460821-21grep0
24243172102,4sleep22424349-21apt-get2
23623722101,7sleep12363290-21kthreadcore1
30179890,6rtkit-daemon317-21systemd-udevd1
30179890,5rtkit-daemon636-21snmpd1
30179890,5rtkit-daemon636-21snmpd1
30179890,5rtkit-daemon3205-21sendmail-mta1
30179890,5rtkit-daemon2353491-21apt-get1
30179890,5rtkit-daemon2305730-21munin-node1
30179890,5rtkit-daemon2305730-21munin-node1
2616247290,5sleep22616302-21ntp_states2
2571648291,5sleep12571865-21users1
2553243290,4sleep12553276-21apt-get1
2519446291,5sleep02519495-21ntp_states0
2430732291,3sleep12430764-21apt-get1
2398720291,5sleep22398863-21df2
2373141291,5sleep22373188-21grep2
2310327290,6sleep22312472-21cut2
2305565291,5sleep22305730-21munin-node2
2302103290,2sleep12302533-21kthreadcore1
30179880,5rtkit-daemon638-21ntpd1
30179880,5rtkit-daemon492-21gmain1
30179880,5rtkit-daemon3205-21sendmail-mta1
30179880,5rtkit-daemon317-21systemd-udevd1
30179880,5rtkit-daemon2904-21cron1
30179880,4rtkit-daemon667-21lldpd1
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon636-21snmpd1
30179880,4rtkit-daemon492-21gmain1
30179880,4rtkit-daemon448-21wpa_supplicant1
30179880,4rtkit-daemon447-21systemd-logind1
30179880,4rtkit-daemon430-21avahi-daemon1
30179880,4rtkit-daemon413-21rpcbind1
30179880,4rtkit-daemon2546863-21apt-get1
30179880,4rtkit-daemon2502930-21grep1
30179880,4rtkit-daemon2474585-21ntp_states1
30179880,4rtkit-daemon2305730-21munin-node1
30179880,4rtkit-daemon2305730-21munin-node1
30179880,4rtkit-daemon2305730-21munin-node1
30179880,4rtkit-daemon2305730-21munin-node1
30179880,4rtkit-daemon2305730-21munin-node1
30179880,3rtkit-daemon636-21snmpd1
30179880,3rtkit-daemon2449026-21python31
30179880,1rtkit-daemon0-21swapper/11
30179880,1rtkit-daemon0-21swapper/11
2699266280,6sleep12701344-21tr1
2649992281,4sleep02650979-21irqstats0
2604613281,4sleep02604756-21df0
2591727281,4sleep12591760-21apt-get1
2578924281,3sleep22578956-21apt-get2
2533915280,4sleep22533428-21apt-get2
2533915280,4sleep22533428-21apt-get2
2495012281,4sleep12495155-21df1
2443558281,3sleep02443591-21apt-get0
2413916281,5sleep22414625-21kthreadcore2
2396128281,4sleep22397396-21memory2
2340302281,4sleep02340335-21apt-get0
30179870,4rtkit-daemon636-21snmpd1
30179870,4rtkit-daemon492-21gmain1
30179870,4rtkit-daemon2305730-21munin-node1
30179870,3rtkit-daemon638-21ntpd1
30179870,3rtkit-daemon638-21ntpd1
30179870,3rtkit-daemon636-21snmpd1
30179870,3rtkit-daemon492-21gmain1
30179870,3rtkit-daemon448-21wpa_supplicant1
2710678270,1sleep00-21swapper/00
2669874270,4sleep02670984-21kthreadcore0
2662661270,4sleep02662829-21awk0
2661178270,4sleep02661249-21ntp_states0
2629883271,4sleep2636-21snmpd2
2598164271,3sleep02598197-21apt-get0
2574095274,1sleep02575656-21kthreadcore0
2565009270,3sleep22565125-21python32
2526800270,1sleep00-21swapper/00
2506584270,4sleep22506655-21ntp_states2
2488563271,3sleep22488596-21apt-get2
2488306270,4sleep22488312-21cron2
2474501271,4sleep02474578-21ntp_states0
2406571271,3sleep22408578-21kthreadcore2
2399125271,3sleep12399902-21irqrtprio1
2385498271,4sleep2636-21snmpd2
2372959270,3sleep02372992-21apt-get0
2352939271,3sleep02352978-21gpgv0
2317586270,1sleep10-21swapper/11
2298948270,1sleep20-21swapper/22
2701345260,3sleep22702513-21memory2
2696768260,1sleep00-21swapper/00
2681117260,3sleep02681834-21getprofile0
2661322261,2sleep20-21swapper/22
2649054260,1sleep20-21swapper/22
2637775260,3sleep02638983-21grep0
2622908261,3sleep22623164-21unixbench_singl2
2584300261,2sleep00-21swapper/00
2569882260,3sleep02571200-21/usr/sbin/munin0
2553240260,1sleep00-21swapper/00
2546406260,4sleep00-21swapper/00
2494341260,1sleep00-21swapper/00
2483603261,3sleep02484812-21kthreadcore0
2475149260,1sleep20-21swapper/22
2411491260,3sleep00-21swapper/00
2404717260,4sleep00-21swapper/00
2379786260,3sleep02380497-21sed0
2357169261,3sleep22358604-21memory2
2353495261,2sleep00-21swapper/00
2346762261,2sleep20-21swapper/22
2326915260,1sleep20-21swapper/22
2305256260,1sleep00-21swapper/00
2298486260,3sleep02298703-21users0
30179850,1rtkit-daemon0-21swapper/11
2722794250,1sleep20-21swapper/22
2722534250,1sleep00-21swapper/00
2715590251,2sleep20-21swapper/22
2709674250,1sleep00-21swapper/00
2703795250,3sleep20-21swapper/22
2703335250,1sleep00-21swapper/00
2697044250,1sleep20-21swapper/22
2690119250,1sleep00-21swapper/00
2685784250,3sleep02687884-21tr0
2684031250,3sleep22684658-21sed2
2675248250,2sleep20-21swapper/22
2674968251,2sleep20-21swapper/22
2668202250,1sleep20-21swapper/22
2655572250,3sleep20-21swapper/22
2645812250,2sleep00-21swapper/00
2632216250,3sleep22634315-21kthreadcore2
2630260250,2sleep02630293-21apt-get0
2623857250,2sleep00-21swapper/00
2623335250,1sleep00-21swapper/00
2604804250,3sleep22605002-21idleruntime2
2603989250,1sleep20-21swapper/22
2591435250,1sleep20-21swapper/22
2591322250,1sleep00-21swapper/00
2572510250,2sleep20-21swapper/22
2566111251,2sleep20-21swapper/22
2559124250,1sleep20-21swapper/22
2552729250,1sleep00-21swapper/00
2533965250,3sleep02533976-21grep0
2533965250,3sleep02533976-21grep0
2529574251,2sleep20-21swapper/22
2529574251,2sleep20-21swapper/22
2520869250,1sleep20-21swapper/22
2507449250,1sleep00-21swapper/00
2501042250,3sleep20-21swapper/22
2495412250,3sleep02496218-21sed0
2481796250,1sleep00-21swapper/00
2481763250,1sleep20-21swapper/22
2456369250,2sleep20-21swapper/22
2450380251,2sleep20-21swapper/22
2445624251,2sleep20-21swapper/22
2430767250,3sleep22430922-21diskstats2
2417938251,2sleep20-21swapper/22
2411017250,1sleep00-21swapper/00
2398234250,1sleep00-21swapper/00
2372537250,2sleep00-21swapper/00
2368570250,2sleep22370664-21grep2
2366123250,1sleep20-21swapper/22
2361155250,3sleep02362370-21kthreadcore0
2339526250,1sleep00-21swapper/00
2329188250,3sleep02331279-21tr0
2320846251,1sleep00-21swapper/00
2320265250,1sleep00-21swapper/00
2313933250,3sleep00-21swapper/00
2642854240,2sleep20-21swapper/22
2596784240,2sleep02596966-21needreboot0
2513877240,3sleep00-21swapper/00
2468918240,3sleep00-21swapper/00
2452276240,2sleep02454388-21cut0
2437120240,1sleep00-21swapper/00
2436864240,3sleep20-21swapper/22
2430247240,3sleep00-21swapper/00
2423797240,1sleep00-21swapper/00
2391857240,3sleep00-21swapper/00
2391096240,2sleep22391148-21/usr/sbin/munin2
2339876240,3sleep20-21swapper/22
2327247240,2sleep20-21swapper/22
2320568240,1sleep20-21swapper/22
2690184231,1sleep20-21swapper/22
2540341230,1sleep20-21swapper/22
2513275230,1sleep20-21swapper/22
2463854230,1sleep20-21swapper/22
2431037230,1sleep00-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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