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2026-02-26 - 10:09
[ 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 #4, slot #6

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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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.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack4slot6s.osadl.org (updated Thu Feb 26, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2428823120,3sleep024291-21cpu22:35:100
495422560,3sleep04952-21ls23:25:190
557122550,2sleep05573-21switchtime19:15:250
1909621670,4sleep018954-21/usr/sbin/munin00:20:160
1496421420,3sleep014966-21latency_hist00:05:010
1136121340,2sleep011359-21ls23:50:160
2740921210,3sleep027410-21ls22:45:270
1934021210,3chrt19338-21df_inode20:10:130
2329021200,3chrt23289-21/usr/sbin/munin20:25:130
2866921170,4chrt28668-21/usr/sbin/munin20:45:240
3124621140,4chrt31244-21processes20:55:250
1782921130,4chrt17827-21memory00:15:190
2084021120,3chrt20839-21/usr/sbin/munin20:15:190
1278821120,3chrt12786-21sed19:45:010
856221070,3chrt8563-21latency_hist23:40:020
2070121070,4sleep020712-21ntp_states22:20:220
1690421030,2sleep016905-21cat00:10:250
319662990,3sleep031964-21wc23:05:010
105322930,2sleep010531-21mailstats21:40:240
81162925,10sleep07670-21/usr/sbin/munin19:25:260
251952890,4sleep025196-21sshd20:31:410
276312836,64sleep027645-21awk20:40:300
99772800,2sleep09978-21modprobe21:40:020
263427320,29sleep02675-21memory19:05:180
3685997231,15cyclictest8083-21/usr/sbin/munin21:30:260
3685996832,27cyclictest21596-21/usr/sbin/munin00:30:120
222932678,10sleep021884-21/usr/sbin/munin20:20:270
3582653,5sleep00-21swapper23:07:020
3685996230,25cyclictest23092-21runrttasks00:35:220
3685996228,23cyclictest18009-21/usr/sbin/munin22:10:170
368599618,18cyclictest29605-21/usr/sbin/munin20:50:240
212722613,5sleep00-21swapper00:29:050
368599598,15cyclictest21708-21/usr/sbin/munin22:25:240
3685995935,15cyclictest4027-21/usr/sbin/munin23:20:260
3685995934,16cyclictest16619-21/usr/sbin/munin22:05:130
368599589,18cyclictest6214-21/usr/sbin/munin21:25:140
368599589,17cyclictest28151-21/usr/sbin/munin22:50:150
3685995833,15cyclictest15805-21/usr/sbin/munin19:55:250
3685995833,14cyclictest18063-21/usr/sbin/munin20:05:130
368599579,17cyclictest14112-21/usr/sbin/munin19:50:220
368599579,15cyclictest8951-21/usr/sbin/munin19:30:280
368599579,15cyclictest14641-21seq21:56:170
368599578,18cyclictest9908-21/usr/sbin/munin23:45:180
368599578,17cyclictest23178-21memory22:30:170
3685995733,15cyclictest941-21/usr/sbin/munin23:10:130
3685995723,24cyclictest3510-21latency_hist21:15:010
3685995720,12cyclictest19158-21df22:15:110
3685995710,17cyclictest13645-21munin-run00:00:000
3685995710,15cyclictest15338-21/usr/sbin/munin22:00:150
368599568,17cyclictest2139-21/usr/sbin/munin23:15:250
368599568,16cyclictest11660-21ntp_states21:45:200
368599568,15cyclictest32326-21/usr/sbin/munin21:00:150
368599567,17cyclictest3794-21/usr/sbin/munin21:15:170
368599567,17cyclictest25979-21/usr/sbin/munin20:35:190
368599566,18cyclictest6037-21grep23:30:110
3685995631,15cyclictest12909-21/usr/sbin/munin19:45:150
3685995629,17cyclictest29515-21/usr/sbin/munin22:55:150
368599558,15cyclictest6389-21/usr/sbin/munin19:20:190
368599558,14cyclictest4317-21/usr/sbin/munin19:10:270
3685995531,15cyclictest16996-21ntp_states20:00:210
3685995531,14cyclictest5424-21/usr/sbin/munin21:20:250
3685995530,16cyclictest1725-21runrttasks21:06:140
106442550,3sleep010641-21grep19:35:260
368599548,15cyclictest8625-21/usr/sbin/munin23:40:190
368599548,14cyclictest12717-21chrt21:50:130
368599547,14cyclictest307-21munin-node22:40:090
368599539,12cyclictest15355-21ntp_states00:05:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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