You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-02-16 - 14:31
[ 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 #c, 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 
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.
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 rackcslot8s.osadl.org (updated Mon Feb 16, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391750,29ptp4l0-21swapper/019:05:250
174342590,0sleep617185-21ssh22:55:006
57602570,0sleep40-21swapper/421:54:354
111391570,5ptp4l0-21swapper/419:08:524
203652550,0sleep30-21swapper/319:20:153
1388425442,7sleep70-21swapper/719:09:467
1362425332,6sleep20-21swapper/219:06:222
1369625240,7sleep10-21swapper/119:07:161
1378324937,7sleep60-21swapper/619:08:256
111391490,5ptp4l0-21swapper/319:05:233
1369124635,6sleep50-21swapper/519:07:135
111391340,0ptp4l0-21swapper/022:18:460
111391330,0ptp4l0-21swapper/100:14:511
111391320,1ptp4l20396-21ssh23:43:051
111391320,0ptp4l29854-21sensors19:40:170
111391320,0ptp4l0-21swapper/019:55:180
111391320,0ptp4l0-21swapper/019:50:130
111391310,3ptp4l0-21swapper/100:20:121
111391310,0ptp4l0-21swapper/522:33:085
111391310,0ptp4l0-21swapper/321:10:213
111391310,0ptp4l0-21swapper/021:45:560
111391310,0ptp4l0-21swapper/000:16:090
111391300,4ptp4l0-21swapper/021:37:010
111391300,0ptp4l0-21swapper/421:32:494
111391300,0ptp4l0-21swapper/421:29:074
111391300,0ptp4l0-21swapper/421:16:324
111391300,0ptp4l0-21swapper/022:30:160
111391300,0ptp4l0-21swapper/021:18:150
111391290,0ptp4l0-21swapper/123:10:541
111391290,0ptp4l0-21swapper/122:54:031
111391290,0ptp4l0-21swapper/122:42:281
111391290,0ptp4l0-21swapper/122:03:481
111391290,0ptp4l0-21swapper/022:50:170
111391290,0ptp4l0-21swapper/022:09:100
111391280,3ptp4l0-21swapper/023:22:320
111391280,3ptp4l0-21swapper/022:45:460
111391280,0ptp4l0-21swapper/500:20:585
111391280,0ptp4l0-21swapper/123:16:041
111391280,0ptp4l0-21swapper/123:05:391
111391280,0ptp4l0-21swapper/123:02:001
111391280,0ptp4l0-21swapper/123:02:001
111391280,0ptp4l0-21swapper/100:09:511
111391280,0ptp4l0-21swapper/023:09:240
111391280,0ptp4l0-21swapper/021:51:110
111391280,0ptp4l0-21swapper/000:00:200
111391270,4ptp4l0-21swapper/000:28:510
111391270,2ptp4l0-21swapper/422:15:384
111391270,2ptp4l0-21swapper/021:28:370
111391270,0ptp4l0-21swapper/523:26:195
111391270,0ptp4l0-21swapper/122:32:591
111391270,0ptp4l0-21swapper/121:38:331
111391270,0ptp4l0-21swapper/121:25:541
111391270,0ptp4l0-21swapper/022:35:130
111391260,3ptp4l101ktimersoftd/021:33:200
111391260,2ptp4l0-21swapper/000:10:380
111391260,1ptp4l19010-21sadc20:30:004
111391260,0ptp4l5058-21diskmemload22:56:252
111391260,0ptp4l0-21swapper/523:09:135
111391260,0ptp4l0-21swapper/522:25:135
111391260,0ptp4l0-21swapper/521:05:135
111391260,0ptp4l0-21swapper/400:37:194
111391260,0ptp4l0-21swapper/121:15:061
111391260,0ptp4l0-21swapper/119:47:111
111391260,0ptp4l0-21swapper/023:56:450
111391260,0ptp4l0-21swapper/023:19:420
111391260,0ptp4l0-21swapper/021:21:340
111391260,0ptp4l0-21swapper/019:15:000
111391260,0ptp4l0-21swapper/000:20:300
111391250,1ptp4l32425-21irqstats22:30:164
111391250,1ptp4l30670-21munin-run19:45:001
111391250,1ptp4l18730-21ssh22:55:194
111391250,0ptp4l0-21swapper/420:10:214
111391250,0ptp4l0-21swapper/400:15:154
111391250,0ptp4l0-21swapper/400:02:004
111391250,0ptp4l0-21swapper/122:15:061
111391250,0ptp4l0-21swapper/122:05:171
111391250,0ptp4l0-21swapper/121:47:451
111391250,0ptp4l0-21swapper/121:11:181
111391250,0ptp4l0-21swapper/023:45:340
111391250,0ptp4l0-21swapper/023:11:250
111391250,0ptp4l0-21swapper/022:40:130
111391250,0ptp4l0-21swapper/000:38:290
111391250,0ptp4l0-21swapper/000:30:120
111391240,4ptp4l0-21swapper/019:24:340
111391240,2ptp4l0-21swapper/523:16:115
111391240,2ptp4l0-21swapper/519:21:315
111391240,1ptp4l7723-21latency_hist20:05:010
111391240,1ptp4l5058-21diskmemload21:44:594
111391240,1ptp4l4385-21missed_timers00:05:164
111391240,1ptp4l25463-21missed_timers22:20:170
111391240,1ptp4l20230-21missed_timers20:30:165
111391240,1ptp4l19470-21/usr/sbin/munin20:30:130
111391240,1ptp4l17531-21cpuspeed_turbos22:10:100
111391240,1ptp4l15108-21needreboot23:35:160
111391240,0ptp4l0-21swapper/721:10:147
111391240,0ptp4l0-21swapper/523:40:275
111391240,0ptp4l0-21swapper/522:18:035
111391240,0ptp4l0-21swapper/521:19:225
111391240,0ptp4l0-21swapper/520:40:205
111391240,0ptp4l0-21swapper/520:20:185
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional