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2026-01-21 - 09:50
[ 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 highest latencies:
System rack4slot6s.osadl.org (updated Wed Jan 21, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2173922570,3sleep021740-21if_eth021:40:160
2848522510,2sleep028486-21mailstats22:05:250
1792122020,4chrt17920-21/usr/sbin/munin21:25:160
1390821220,4chrt13904-21df_inode21:10:130
925721190,4chrt9255-21users20:50:270
1799721190,3chrt17998-21/usr/sbin/munin19:20:130
3242721170,3chrt32426-21/usr/sbin/munin20:15:380
2069221130,3chrt20693-21cat23:40:280
322412956,13sleep032310-21/usr/sbin/munin00:25:280
154702916,11sleep015496-21memory19:10:180
70972905,9sleep07160-21latency_hist22:50:010
233572826,64sleep023361-21ntp_states19:40:220
76742795,61sleep07733-21timerandwakeup22:50:270
1450027920,35sleep014586-21/usr/sbin/munin19:05:260
254982780,3sleep025501-21wc00:00:190
182802733,5sleep00-21swapper23:31:320
39082630,2sleep03909-21timerwakeupswit22:35:260
15210996331,23cyclictest20767-21/usr/sbin/munin19:30:210
1521099619,17cyclictest28226-21/usr/sbin/munin20:00:140
15210996111,20cyclictest27757-21munin-run00:10:010
1521099599,18cyclictest3506-21/usr/sbin/munin20:30:250
15210995935,15cyclictest25740-21/usr/sbin/munin21:55:200
15210995934,16cyclictest12643-21/usr/sbin/munin21:05:150
15210995933,16cyclictest19293-21/usr/sbin/munin21:30:200
15210995932,17cyclictest29783-21/usr/sbin/munin22:10:250
15210995917,14cyclictest18835-21cpu23:35:090
1521099589,16cyclictest12378-21/usr/sbin/munin23:10:150
1521099589,16cyclictest11759-21/usr/sbin/munin21:00:280
1521099589,15cyclictest27103-21/usr/sbin/munin19:55:170
1521099589,14cyclictest9951-21/usr/sbin/munin20:55:260
1521099588,19cyclictest763-21/usr/sbin/munin22:25:140
1521099588,16cyclictest1866-21/usr/sbin/munin00:35:150
15210995836,14cyclictest23151-21/usr/sbin/munin23:50:250
15210995833,16cyclictest17177-21/usr/sbin/munin19:15:270
15210995830,17cyclictest2035-21runrttasks20:24:320
15210995822,12cyclictest22023-21ntp_kernel_pll_19:35:190
15210995810,15cyclictest13657-21/usr/sbin/munin23:15:250
1521099579,18cyclictest30871-21/usr/sbin/munin22:15:170
1521099579,16cyclictest4648-21/usr/sbin/munin22:40:190
1521099579,14cyclictest11093-21/usr/sbin/munin23:05:160
1521099578,16cyclictest30478-21/usr/sbin/munin00:20:160
1521099578,16cyclictest22947-21/usr/sbin/munin21:45:110
1521099578,16cyclictest10319-21awk23:00:270
1521099577,16cyclictest24180-21/usr/sbin/munin21:50:290
15210995734,15cyclictest19380-21/usr/sbin/munin19:25:160
15210995733,15cyclictest9258-21runrttasks22:56:480
15210995727,22cyclictest21497-21runrttasks23:45:140
15210995712,19cyclictest29772-21tr20:05:190
15210995710,18cyclictest26742-21sshd19:54:400
15210995710,14cyclictest15418-21ntp_states21:15:230
1521099569,18cyclictest24586-21chrt23:55:290
1521099568,16cyclictest27064-21ntp_states22:00:230
1521099568,15cyclictest30801-21/usr/sbin/munin20:10:160
1521099567,16cyclictest2225-21/usr/sbin/munin20:25:260
1521099567,14cyclictest29160-21/usr/sbin/munin00:15:130
15210995634,15cyclictest17522-21runrttasks21:24:200
15210995634,14cyclictest6329-21/usr/sbin/munin20:40:200
15210995631,18cyclictest3131-21runrttasks22:34:260
15210995631,16cyclictest15061-21/usr/sbin/munin23:20:140
15210995610,15cyclictest25515-21munin-run19:50:000
15210995610,15cyclictest1021-21/usr/sbin/munin00:30:240
1521099558,18cyclictest28210-21/usr/sbin/munin00:10:270
1521099556,15cyclictest5952-21modprobe20:40:010
15210995530,16cyclictest7436-21/usr/sbin/munin20:45:110
15210995530,16cyclictest32151-21/usr/sbin/munin22:20:180
15210995431,15cyclictest16328-21df_inode23:25:120
15210995410,15cyclictest20372-21cat21:35:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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