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2026-02-04 - 20:27
[ 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 Wed Feb 04, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
802621350,4chrt8027-21/usr/sbin/munin07:21:081
802621350,4chrt8027-21/usr/sbin/munin07:21:081
280292840,3sleep128032-21unixbench_multi12:36:141
280292840,3sleep128032-21unixbench_multi12:36:141
87942650,2chrt0-21swapper/110:16:071
87942650,2chrt0-21swapper/110:16:071
87942650,2chrt0-21swapper/110:16:071
144342640,3chrt0-21swapper/212:01:092
144342640,3chrt0-21swapper/212:01:092
176802610,2chrt0-21swapper/310:41:063
131632590,12sleep1271rcuc/109:01:101
131632590,12sleep1271rcuc/109:01:101
288712530,4sleep20-21swapper/211:11:052
288712530,4sleep20-21swapper/211:11:052
274332520,4sleep20-21swapper/212:36:072
274332520,4sleep20-21swapper/212:36:072
215262520,2sleep20-21swapper/210:51:062
215262520,2sleep20-21swapper/210:51:062
260592460,3chrt0-21swapper/108:10:571
260592460,3chrt0-21swapper/108:10:571
183622430,1sleep10-21swapper/109:16:051
183622430,1sleep10-21swapper/109:16:051
201262410,3chrt0-21swapper/210:46:122
10172410,3sleep20-21swapper/211:21:142
10172410,3sleep20-21swapper/211:21:142
220102400,3sleep20-21swapper/212:21:112
3893993831,5cyclictest24757-21latency_hist11:00:510
3893993831,5cyclictest24757-21latency_hist11:00:510
3893993831,5cyclictest24757-21latency_hist11:00:510
118942380,7sleep1281ktimers/110:26:001
118942380,7sleep1281ktimers/110:26:001
3893993627,7cyclictest27794-21latency_hist08:15:510
3893993627,7cyclictest27794-21latency_hist08:15:510
3899993427,5cyclictest26261-21netstat09:36:071
3899993427,5cyclictest26261-21netstat09:36:071
3899993327,5cyclictest20677-21netstat09:21:111
179372330,2sleep20-21swapper/209:15:542
179372330,2sleep20-21swapper/209:15:542
3899993226,4cyclictest26635-21wc12:35:521
3899993226,4cyclictest12240-21cron09:00:521
3899993226,4cyclictest12240-21cron09:00:521
3899993226,4cyclictest12240-21cron09:00:521
3899993226,4cyclictest0-21swapper/108:20:521
3899993226,4cyclictest0-21swapper/108:20:521
319632320,4sleep20-21swapper/209:51:122
3899993124,5cyclictest16651-21threads12:06:121
3893993124,5cyclictest3883-21cyclictest10:51:140
3893993124,5cyclictest3883-21cyclictest10:51:140
3893993122,7cyclictest32628-21fschecks_count11:21:040
3893993122,7cyclictest32628-21fschecks_count11:21:040
57212300,2sleep05759-21ntpq08:41:120
57212300,2sleep05759-21ntpq08:41:120
57212300,2sleep05759-21ntpq08:41:120
3893993025,4cyclictest16009-21gltestperf12:06:040
3893993025,3cyclictest19739-21cat09:20:510
3893993025,3cyclictest19739-21cat09:20:510
3899992924,4cyclictest572-21cups-browsed10:06:121
3899992924,4cyclictest572-21cups-browsed10:06:121
3893992924,3cyclictest28501-21latency_hist12:40:520
3893992924,3cyclictest28501-21latency_hist12:40:520
3893992923,5cyclictest15221-21sshd12:03:240
3893992923,5cyclictest15221-21sshd12:03:240
3893992922,5cyclictest31496-21sshd08:25:240
3893992922,5cyclictest31496-21sshd08:25:240
3893992922,5cyclictest20541-21unixbench_multi12:16:160
3893992922,5cyclictest20541-21unixbench_multi12:16:160
3893992922,5cyclictest1346-21avahi-daemon09:11:060
3893992922,5cyclictest1346-21avahi-daemon09:11:060
312632290,3sleep20-21swapper/208:22:232
312632290,3sleep20-21swapper/208:22:232
115612290,4sleep20-21swapper/208:56:122
115612290,4sleep20-21swapper/208:56:122
115612290,4sleep20-21swapper/208:56:122
3899992822,4cyclictest142-21systemd-journal12:24:481
3899992822,4cyclictest142-21systemd-journal10:39:291
3899992822,4cyclictest142-21systemd-journal10:39:291
3899992821,5cyclictest20159-21sshd07:53:581
3899992821,5cyclictest20159-21sshd07:53:581
3899992821,5cyclictest19858-21kernelversion12:16:081
3899992821,5cyclictest19858-21kernelversion12:16:081
3893992822,4cyclictest0-21swapper/011:31:130
3893992821,5cyclictest1950-21sshd09:56:230
3893992821,5cyclictest1950-21sshd09:56:230
3893992821,5cyclictest1950-21sshd09:56:230
3893992820,6cyclictest14903-21/usr/sbin/munin07:41:090
3893992819,7cyclictest19684-21threads07:51:150
3893992819,7cyclictest19684-21threads07:51:150
3893992813,4cyclictest18390-21mailstats12:11:130
3893992813,4cyclictest18390-21mailstats12:11:130
3908992722,4cyclictest351rcuc/208:51:392
3908992722,3cyclictest351rcuc/209:09:122
3908992722,3cyclictest351rcuc/209:09:122
3899992723,2cyclictest0-21swapper/108:21:091
3899992723,2cyclictest0-21swapper/108:21:091
3899992722,4cyclictest572-21cups-browsed11:56:111
3899992722,4cyclictest572-21cups-browsed11:56:111
3899992722,4cyclictest14611-21processes10:31:121
3899992722,4cyclictest14611-21processes10:31:121
3899992720,5cyclictest22860-21if_eth008:01:061
3899992720,5cyclictest22860-21if_eth008:01:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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