You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-02-20 - 10:11
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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 50 highest latencies:
System rackeslot6.osadl.org (updated Fri Feb 20, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2356637999487,5cyclictest2367966-21apt-get19:45:031
2356634999183,6cyclictest2426309-21latency_hist22:45:000
2356634998274,6cyclictest2392345-21latency_hist21:00:020
2356637997970,6cyclictest2461912-21latency_hist00:35:011
2356634997867,8cyclictest266-21systemd-journal23:50:260
2356634997766,9cyclictest2453694-21apt-get00:10:000
2356637997650,23cyclictest2450498-21cupsd00:00:021
2356637997464,8cyclictest2385982-21latency_hist20:40:021
2356634997466,6cyclictest2366352-21latency_hist19:40:000
2356637997063,5cyclictest2429717-21kworker/u8:1+flush-179:022:55:011
2356637997063,5cyclictest2389202-21kworker/u8:2+flush-179:021:50:001
2356634997064,4cyclictest2354999-21kworker/u8:0+flush-179:019:50:000
2356634997061,7cyclictest2408508-21/usr/sbin/munin21:50:230
2356634997060,7cyclictest2427607-21kworker/u8:0+flush-179:023:10:220
2356637996657,6cyclictest2439285-21kworker/u8:1+flush-179:023:30:211
2356634996659,5cyclictest2439285-21kworker/u8:1+flush-179:000:00:010
2356637996558,5cyclictest2455575-21kworker/u8:3+flush-179:000:20:011
2356639996259,2cyclictest0-21swapper/219:18:582
2356637996255,5cyclictest2380930-21kworker/u8:1+flush-179:020:45:001
2356637996248,13cyclictest2373546-21kworker/u8:0+flush-179:020:25:021
2356634996157,3cyclictest2413359-21kworker/u8:2+flush-179:022:15:260
2356637996053,5cyclictest714-21Xorg19:21:591
2356637995951,6cyclictest2436364-21apt-get23:15:131
2356637995951,6cyclictest2436364-21apt-get23:15:131
2356637995951,5cyclictest2342259-21kworker/u8:1+flush-179:019:10:161
2356637995950,7cyclictest2363409-21/usr/sbin/munin19:30:211
2356637995851,5cyclictest2461877-21kworker/u8:0+flush-179:000:40:011
2356637995848,8cyclictest2453685-21latency_hist00:10:001
2356634995747,7cyclictest2429717-21kworker/u8:1+flush-179:023:00:240
2356637995648,6cyclictest2409891-21kworker/u8:1+flush-179:022:05:241
2356634995650,4cyclictest2427607-21kworker/u8:0+flush-179:022:53:000
2356634995647,7cyclictest2421301-21kworker/u8:1+events_unbound22:35:000
2356634995635,7cyclictest2445674-21latency_hist23:45:010
2356637995545,7cyclictest2413315-21latency_hist22:05:011
2356637995542,12cyclictest2413359-21kworker/u8:2+events_unbound22:15:001
2356634995546,7cyclictest266-21systemd-journal22:40:000
2356634995449,4cyclictest2411453-21apt-get22:00:030
2356634995447,5cyclictest2354999-21kworker/u8:0+flush-179:019:25:180
2356634995446,6cyclictest2389202-21kworker/u8:2+events_unbound21:25:010
235663499540,38cyclictest714-21Xorg19:40:590
2356637995336,2cyclictest714-21Xorg19:53:591
2356634995244,6cyclictest2381084-21store20:25:010
2356634995235,3cyclictest0-21swapper/019:54:000
2356637995143,5cyclictest2389202-21kworker/u8:2+flush-179:020:50:251
2356637995143,5cyclictest2389202-21kworker/u8:2+flush-179:020:50:241
2356637995140,10cyclictest2362127-21kworker/u8:3+flush-179:019:45:011
2356634995148,1cyclictest2392396-21kworker/u8:1+events_unbound21:30:240
2356634995146,4cyclictest2427607-21kworker/u8:0+events_unbound23:15:250
2356634995146,4cyclictest2427607-21kworker/u8:0+events_unbound23:15:240
2356639995047,1cyclictest0-21swapper/221:34:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional