You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-02-15 - 06:42
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

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 #b, 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.

Note that this system runs a non-RT kernel.
Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot7s.osadl.org (updated Sun Feb 15, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34862115689,11544sleep024453-21kworker/0:121:34:590
34862115689,11544sleep024453-21kworker/0:121:34:590
8661233395,3263sleep024708-21kworker/0:023:31:580
244712150813,1469sleep030994-21kworker/u8:222:39:590
1424128407,819sleep014285-21ntpq23:50:110
6378280910,780sleep013441-21snmpd21:44:480
16151258526,541sleep116168-21/usr/sbin/munin22:14:571
28508249620,459sleep328542-21/usr/sbin/munin00:35:113
185124686,450sleep01887-21ntpq19:45:100
15829243115,402sleep215873-21ntpq20:30:092
10833240218,242sleep010895-21fschecks_time23:40:060
1682022949,243sleep00-21swapper/022:15:450
463228940,234sleep0539-21switchtime19:40:250
28765227410,246sleep128876-21cat19:29:481
28449225738,198sleep00-21swapper/021:10:110
167442243133,78sleep011-21ksoftirqd/023:59:470
30379224031,187sleep021914-1kworker/0:2H22:59:450
1059822237,200sleep010491-21cron20:14:490
17356220723,163sleep016958-21/usr/sbin/munin00:00:120
3373218917,149sleep00-21swapper/019:50:100
22478218719,24sleep00-21swapper/000:15:260
22478218719,24sleep00-21swapper/000:15:260
5184217911,150sleep00-21swapper/023:20:160
17926217814,57sleep00-21swapper/022:20:050
30295217726,26sleep00-21swapper/021:15:160
19709217114,19sleep00-21swapper/020:42:580
23601216743,84sleep00-21swapper/000:20:060
23601216743,84sleep00-21swapper/000:20:060
22101216647,69sleep02-21kthreadd22:34:220
22101216647,69sleep02-21kthreadd22:34:220
12594216515,131sleep012613-21latency_hist22:04:460
12594216515,131sleep012613-21latency_hist22:04:460
1418421636,32sleep00-21swapper/020:25:100
23567215910,135sleep023585-21fschecks_count20:55:050
2856721528,15sleep10-21swapper/100:35:131
29820215110,22sleep00-21swapper/019:30:480
20175215112,119sleep020231-21fschecks_count00:10:050
20175215112,119sleep020231-21fschecks_count00:10:050
15836215114,122sleep016049-21latency_hist22:14:480
2540621499,74sleep00-21swapper/019:17:240
2540621499,74sleep00-21swapper/019:17:240
12176214913,100sleep00-21swapper/020:19:490
18339214814,121sleep018360-21ls20:39:470
1102021480,18sleep130994-21kworker/u8:221:59:461
2792721439,120sleep028073-21modprobe00:34:480
2875221378,33sleep00-21swapper/019:29:470
25014213722,44sleep00-21swapper/020:59:500
19848213715,107sleep319922-21latency_hist00:09:473
24062213614,16sleep00-21swapper/022:39:470
2784621335,90sleep00-21swapper/022:50:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional