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2026-01-28 - 17:59
[ 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 #5, slot #7

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: 50.5 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack5slot7s.osadl.org (updated Wed Jan 28, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27677224302194,89sleep00-21swapper07:09:040
278289916123,110cyclictest471-21users07:36:030
278289916115,21cyclictest6122-21apt08:15:010
278289916113,28cyclictest23663-21systemctl10:00:020
278289916015,121cyclictest26871-21munin-run10:20:020
278289915936,21cyclictest6938-21munin-run08:20:030
278289915931,19cyclictest0-21swapper07:20:490
278289915911,123cyclictest6351-21sshd11:30:220
278289915813,119cyclictest7919-21apt-get08:25:260
278289915812,123cyclictest4914-21awk11:20:540
278289915710,120cyclictest22629-21latency_hist09:55:050
278289915629,36cyclictest8881-21apt-get08:30:170
278289915614,26cyclictest16059-21/usr/sbin/munin12:30:540
278289915533,18cyclictest5790-21snmpd11:36:090
278289915510,121cyclictest19704-21/usr/sbin/munin09:35:400
278289915415,26cyclictest16940-21apt-config12:35:180
278289915414,117cyclictest21590-21cut09:45:560
278289915412,117cyclictest4924-21/usr/sbin/munin08:05:460
278289915412,116cyclictest28604-21apt-get10:30:290
278289915410,121cyclictest31491-21wc07:30:200
278289915315,114cyclictest12902-21apt-get08:55:230
278289915314,116cyclictest8943-21df11:45:230
278289915313,25cyclictest31532-21ntpq10:45:490
278289915311,115cyclictest3458-21apt-get11:16:020
278289915310,115cyclictest14945-21sort09:05:410
278289915241,89cyclictest7575-21switchtime08:20:580
278289915220,27cyclictest11088-21users11:56:030
278289915217,23cyclictest6108-21munin-run11:30:040
278289915216,116cyclictest18726-21apt09:30:110
278289915215,94cyclictest30304-21apt10:40:000
278289915212,116cyclictest17443-21awk09:20:490
278289915210,116cyclictest31313-21grep07:26:010
278289915118,92cyclictest28618-21munin-run07:15:030
278289915117,95cyclictest1059-21munin-run11:00:020
278289915117,24cyclictest14647-21irqstats12:20:400
278289915114,38cyclictest28483-21munin-run10:30:040
278289915112,118cyclictest26988-21/usr/sbin/munin10:20:500
278289915112,117cyclictest11997-21wc12:05:040
278289915112,116cyclictest17015-21apt09:20:010
278289915110,117cyclictest11703-21grep08:45:540
27828991509,25cyclictest12677-21sed12:06:020
27828991508,118cyclictest32567-21sort10:51:020
278289915018,28cyclictest8053-21apt-get11:40:170
278289915014,22cyclictest10456-21cat08:40:070
278289915012,26cyclictest11053-21wc08:41:000
278289915012,112cyclictest14352-21run-parts12:20:020
278289914920,29cyclictest28633-21munin-node07:15:100
278289914913,48cyclictest1281-21sh11:00:270
278289914913,23cyclictest2491-21wc07:50:480
278289914912,20cyclictest3722-21munin-run08:00:010
278289914912,114cyclictest5790-21snmpd09:44:070
278289914817,25cyclictest3839-21/usr/sbin/munin08:00:580
278289914815,25cyclictest9640-21apt-get11:50:150
278289914815,23cyclictest12774-21/usr/sbin/munin08:55:060
278289914814,110cyclictest639-21apt-get07:40:180
278289914811,114cyclictest18369-21awk09:25:560
278289914713,25cyclictest23919-21cat10:00:440
278289914713,23cyclictest25477-21/usr/sbin/munin10:10:310
278289914712,112cyclictest1857-21wc07:45:560
278289914711,108cyclictest15514-21apt-get09:10:190
278289914617,25cyclictest2865-21df11:10:250
278289914617,23cyclictest13159-21ntp_states12:10:500
278289914516,24cyclictest15267-21apt-get12:25:170
278289914512,93cyclictest24647-21wc10:05:220
278289914512,110cyclictest110-21systemd-journal11:05:230
278289914413,112cyclictest13519-1kworker/u3:509:00:140
278289914215,103cyclictest30529-21df10:40:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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