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2026-02-10 - 18:30
[ 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 100 highest latencies:
System rackeslot8s.osadl.org (updated Tue Feb 10, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24398659911890,1186cyclictest27978202sleep33
24398659911780,1174cyclictest24872442sleep33
24398659911160,1113cyclictest26938982sleep33
268728321100,1sleep00-21swapper/00
28530792250,1sleep20-21swapper/22
2439865992219,1cyclictest0-21swapper/33
2439865992018,1cyclictest0-21swapper/33
2439865992017,1cyclictest0-21swapper/33
2439865991916,1cyclictest0-21swapper/33
2439865991714,1cyclictest0-21swapper/33
24743062161,2sleep00-21swapper/00
2439865991613,1cyclictest0-21swapper/33
243986599161,11cyclictest2609743-21taskset3
2439865991513,1cyclictest0-21swapper/33
2439865991513,1cyclictest0-21swapper/33
2439865991513,1cyclictest0-21swapper/33
2439865991512,1cyclictest0-21swapper/33
2439865991512,1cyclictest0-21swapper/33
2439865991512,1cyclictest0-21swapper/33
2439865991512,1cyclictest0-21swapper/33
2439865991512,1cyclictest0-21swapper/33
243986599151,11cyclictest2526274-21turbostat3
243986599151,10cyclictest2720235-21taskset3
25905862141,2sleep00-21swapper/00
243986599146,6cyclictest2771639-21turbostat3
243986599145,6cyclictest25005262sleep33
243986599144,8cyclictest2446243-21turbostat3
2439865991413,0cyclictest0-21swapper/33
2439865991412,1cyclictest0-21swapper/33
2439865991412,1cyclictest0-21swapper/33
2439865991412,0cyclictest0-21swapper/33
2439865991412,0cyclictest0-21swapper/33
2439865991412,0cyclictest0-21swapper/33
243986599141,10cyclictest2833996-21taskset3
243986599141,10cyclictest2784721-21turbostat3
243986599141,10cyclictest2624055-21taskset3
243986599141,10cyclictest2597027-21turbostat3
243986599141,10cyclictest2576841-21taskset3
243986599141,10cyclictest2532688-21turbostat3
2439865991410,2cyclictest2655805-21taskset3
243986599140,11cyclictest2667973-21turbostat3
301798130,3rtkit-daemon2570425-21ntp_states2
243986599131,9cyclictest2713170-21taskset3
243986599131,9cyclictest2654722-21chrt3
243986599131,9cyclictest2584443-21taskset3
243986599131,9cyclictest2533404-21taskset3
243986599131,9cyclictest2499796-21chrt3
243986599131,8cyclictest2855891-21taskset3
243986599131,8cyclictest25393592sleep33
243986599131,8cyclictest24551372chrt3
2439865991312,0cyclictest0-21swapper/33
2439865991312,0cyclictest0-21swapper/33
2439865991312,0cyclictest0-21swapper/33
2439865991312,0cyclictest0-21swapper/33
243986599131,10cyclictest2487489-21taskset3
243986599131,10cyclictest2445853-21taskset3
2439865991311,0cyclictest0-21swapper/33
2439865991310,1cyclictest0-21swapper/33
2439865991310,1cyclictest0-21swapper/33
2439865991310,1cyclictest0-21swapper/33
243986599130,10cyclictest2862568-21chrt3
243986599130,10cyclictest2732490-21chrt3
243986599130,10cyclictest2648302-21chrt3
243986599130,10cyclictest2584125-21chrt3
243986599130,10cyclictest2584125-21chrt3
243986599130,10cyclictest2564812-21chrt3
301798120,4rtkit-daemon492-21gmain2
26864982121,8sleep22686757-21unixbench_singl2
26229702120,4sleep02622987-21munin-run0
25908422121,2sleep00-21swapper/00
24682062121,8sleep12468355-21df_inode1
243986599121,9cyclictest26103932sleep33
243986599121,9cyclictest2512624-21taskset3
243986599120,9cyclictest2823645-21taskset3
243986599120,9cyclictest2513514-21taskset3
243986599120,10cyclictest2733016-21taskset3
243986599120,10cyclictest2695613-21chrt3
301798110,3rtkit-daemon2446388-21munin-node2
301798100,6rtkit-daemon2446388-21munin-node2
301798100,5rtkit-daemon2848113-21latency2
301798100,3rtkit-daemon636-21snmpd2
28637452100,7sleep12864994-21cut1
28296452100,7sleep12829685-21gpgv1
27911192101,5sleep22791184-21munin-run2
27005732100,7sleep02700574-21munin-node0
26996662101,6sleep22699913-21grep2
26414702101,5sleep02641548-21python30
25586282102,4sleep02558660-21apt-get0
25143982101,6sleep22515343-21cut2
24875022102,4sleep12487535-21apt-get1
30179890,6rtkit-daemon492-21gmain0
30179890,6rtkit-daemon3205-21sendmail-mta2
30179890,5rtkit-daemon2664928-21kthreadcore2
30179890,4rtkit-daemon638-21ntpd2
30179890,4rtkit-daemon2647805-21ntp_states2
30179890,4rtkit-daemon2583430-21/usr/sbin/munin2
30179890,4rtkit-daemon2583430-21/usr/sbin/munin2
30179890,4rtkit-daemon2529692-21kthreadcore0
30179890,4rtkit-daemon2460548-21python30
2763015291,5sleep02763879-21sed0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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