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2026-02-05 - 08:10
[ 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 #1

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: 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 rack4slot1s.osadl.org (updated Thu Feb 05, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
718521350,2sleep30-21swapper/323:41:043
718521350,2sleep30-21swapper/323:41:043
352021160,1sleep3431rcuc/320:36:113
352021160,1sleep3431rcuc/320:36:113
352021160,1sleep3431rcuc/320:36:113
1493121000,3sleep30-21swapper/319:41:083
154932970,3sleep30-21swapper/300:01:143
121362920,2chrt12140-21ntp_kernel_err22:26:110
121362920,2chrt12140-21ntp_kernel_err22:26:110
121362920,2chrt12140-21ntp_kernel_err22:26:110
61782840,2sleep20-21swapper/219:16:142
14172760,3chrt0-21swapper/321:56:193
14172760,3chrt0-21swapper/321:56:193
14172760,3chrt0-21swapper/321:56:193
265762610,3chrt0-21swapper/123:06:041
265762610,3chrt0-21swapper/123:06:041
295042600,2chrt0-21swapper/221:46:092
295042600,2chrt0-21swapper/221:46:092
72812550,3sleep10-21swapper/120:46:141
72812550,3sleep10-21swapper/120:46:141
192262540,1sleep118291-21/usr/sbin/munin00:11:141
192262540,1sleep118291-21/usr/sbin/munin00:11:141
56822530,1sleep00-21swapper/023:36:060
56822530,1sleep00-21swapper/023:36:060
56822530,1sleep00-21swapper/023:36:060
3357995042,4cyclictest0-21swapper/000:00:560
3357995042,4cyclictest0-21swapper/000:00:560
3357995042,4cyclictest0-21swapper/000:00:560
97132490,1sleep10-21swapper/123:46:121
97132490,1sleep10-21swapper/123:46:121
71122490,3sleep20-21swapper/220:46:112
71122490,3sleep20-21swapper/220:46:112
278582480,3chrt0-21swapper/300:36:033
278582480,3chrt0-21swapper/300:36:033
157472470,2sleep10-21swapper/121:11:031
157472470,2sleep10-21swapper/121:11:031
126662460,3chrt0-21swapper/321:01:123
230122440,4chrt0-21swapper/322:56:053
230122440,4chrt0-21swapper/322:56:053
234982420,3sleep20-21swapper/222:56:122
234982420,3sleep20-21swapper/222:56:122
157982420,2sleep115800-21grep00:01:161
293622410,2sleep20-21swapper/220:20:582
293622410,2sleep20-21swapper/220:20:582
40782400,2chrt4079-21/usr/sbin/munin22:06:050
40782400,2chrt4079-21/usr/sbin/munin22:06:050
170952400,2sleep30-21swapper/300:06:093
256482390,4sleep30-21swapper/300:30:573
256482390,4sleep30-21swapper/300:30:573
281182380,3sleep10-21swapper/100:36:051
281182380,3sleep10-21swapper/100:36:051
95122370,1sleep19638-21df22:21:031
95122370,1sleep19638-21df22:21:031
335899372,31cyclictest14674-21/usr/sbin/munin00:01:041
335899372,31cyclictest14674-21/usr/sbin/munin00:01:041
207372360,2sleep20-21swapper/219:56:102
207372360,2sleep20-21swapper/219:56:102
207372360,2sleep20-21swapper/219:56:102
335799352,29cyclictest14972-21/usr/sbin/munin00:01:060
94622330,3chrt0-21swapper/319:26:083
94622330,3chrt0-21swapper/319:26:083
77602330,2sleep016-21ksoftirqd/023:41:090
77602330,2sleep016-21ksoftirqd/023:41:090
335899339,22cyclictest281ktimers/121:02:181
335899334,6cyclictest281ktimers/120:13:161
335899334,6cyclictest281ktimers/120:13:161
3358993325,6cyclictest6163-21timerandwakeup19:16:141
3357993329,3cyclictest20564-21kernelversion19:56:080
3357993329,3cyclictest20564-21kernelversion19:56:080
3357993329,3cyclictest20564-21kernelversion19:56:080
3357993326,5cyclictest1966-21kernelversion23:26:070
3357993326,5cyclictest1966-21kernelversion23:26:070
3357993325,6cyclictest17358-21threads19:46:130
3357993325,6cyclictest17358-21threads19:46:130
189402330,3sleep20-21swapper/222:46:032
189402330,3sleep20-21swapper/222:46:032
44692320,3sleep30-21swapper/322:06:083
44692320,3sleep30-21swapper/322:06:083
3358993225,5cyclictest17293-21sshd19:46:131
3358993225,5cyclictest17293-21sshd19:46:131
335899321,27cyclictest14520-21latency_hist00:01:021
336099312,22cyclictest14458-21chrt00:00:583
336099312,22cyclictest14458-21chrt00:00:583
336099312,22cyclictest14458-21chrt00:00:583
3358993125,4cyclictest7346-21fschecks_time23:41:051
3358993125,4cyclictest7346-21fschecks_time23:41:051
3358993124,5cyclictest773-21apache221:30:041
3358993124,5cyclictest773-21apache221:30:041
3358993118,4cyclictest181rcu_preempt20:54:251
3358993118,4cyclictest181rcu_preempt20:54:251
324702310,1sleep032590-21sed23:21:080
324702310,1sleep032590-21sed23:21:080
150332310,2chrt0-21swapper/019:41:090
335899305,5cyclictest281ktimers/122:54:161
335899305,5cyclictest281ktimers/122:54:161
3358993024,4cyclictest19390-21kernelversion22:46:071
3358993024,4cyclictest19390-21kernelversion22:46:071
3358993023,6cyclictest3356-21cyclictest00:30:521
3358993023,6cyclictest3356-21cyclictest00:30:521
3358993021,7cyclictest20175-21needreboot21:21:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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