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2026-01-15 - 18:10
[ 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 #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 Thu Jan 15, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
404222530,3sleep04038-21cat09:25:030
2668621450,2sleep026689-21sort08:45:260
2257321260,4chrt22572-21/usr/sbin/munin08:30:190
15449912532,16cyclictest1620-21/usr/sbin/munin11:20:210
15449912430,19cyclictest21110-21runrttasks10:30:190
15449912029,22cyclictest16089-21/usr/sbin/munin12:15:270
3150621180,2sleep031507-21awk11:10:260
15449911823,23cyclictest18243-21latency_hist10:20:030
1194021180,4chrt11937-21ntp_states12:00:220
2504221170,3chrt25040-21irqstats08:40:150
15449911729,15cyclictest23571-21/usr/sbin/munin10:40:140
15449911630,16cyclictest6483-21runrttasks07:28:230
2387921150,4sleep023883-21ntp_states08:35:220
15449911428,14cyclictest14560-21ps12:10:240
1340421140,3chrt13399-21ntp_states10:00:220
1544991109,15cyclictest9335-21ntp_states11:50:200
1544991096,16cyclictest28604-21/usr/sbin/munin11:00:300
1544991089,15cyclictest32603-21irqstats11:15:150
15449910715,12cyclictest28468-21munin-run11:00:010
15449910612,15cyclictest22416-21ntp_states10:35:200
1544991058,16cyclictest21839-21ls12:40:000
1544991057,17cyclictest10320-21seq09:49:300
15449910510,17cyclictest16097-21systemctl10:10:250
1544991049,15cyclictest10956-21/usr/sbin/munin07:45:200
1544991048,16cyclictest5368-21wc11:35:170
1993221020,3sleep019740-21/usr/sbin/munin08:20:190
1544991027,16cyclictest6484-21/usr/sbin/munin11:40:180
105802980,3sleep010516-21/usr/sbin/munin09:50:140
184922930,4sleep018542-21/usr/sbin/munin10:20:190
162612930,2sleep016257-21find08:05:240
41062900,3sleep04107-21munin-plugin-st07:20:000
144492840,3sleep014505-21latency_hist08:00:020
45382820,4sleep04601-21/usr/sbin/munin09:25:260
119872790,3sleep012042-21awk09:55:180
80527619,33sleep0882-21sed07:05:250
1544996323,15cyclictest6871-21/usr/sbin/munin07:30:130
1544996110,18cyclictest31351-21/usr/sbin/munin09:05:190
154499609,14cyclictest3892-21/usr/sbin/munin11:30:300
154499598,16cyclictest17139-21/usr/sbin/munin08:10:220
1544995935,15cyclictest18227-21/usr/sbin/munin12:25:130
1544995933,16cyclictest8816-21runrttasks09:42:390
154499589,20cyclictest17985-21awk12:25:010
154499589,17cyclictest30164-21/usr/sbin/munin11:05:200
154499589,17cyclictest12932-21/usr/sbin/munin12:05:140
1544995834,16cyclictest19861-21/usr/sbin/munin10:25:220
1544995834,14cyclictest2818-21/usr/sbin/munin11:25:180
1544995833,16cyclictest32699-21/usr/sbin/munin09:10:120
1544995833,16cyclictest1610-21/usr/sbin/munin09:15:150
1544995829,21cyclictest31323-21latency_hist09:05:010
1544995816,15cyclictest946-21ntpd12:30:220
154499579,15cyclictest9410-21/usr/sbin/munin07:40:220
154499579,15cyclictest14565-21/usr/sbin/munin08:00:190
1544995734,13cyclictest12486-21/usr/sbin/munin07:50:260
1544995733,16cyclictest7676-21runrttasks09:39:040
1544995733,15cyclictest21127-21/usr/sbin/munin08:25:140
1544995732,17cyclictest10422-21/usr/sbin/munin11:55:130
1544995731,17cyclictest26157-21irqstats10:50:160
154499569,17cyclictest29149-21find08:55:240
154499568,13cyclictest14398-21/usr/sbin/munin10:05:250
154499567,17cyclictest4542-21ntp_states07:20:240
1544995634,14cyclictest2125-21/usr/sbin/munin07:10:260
1544995633,14cyclictest24797-21/usr/sbin/munin10:45:120
1544995610,15cyclictest18713-21ntp_states08:15:230
154499558,16cyclictest5356-21/usr/sbin/munin09:30:200
154499558,13cyclictest27727-21ntpq08:50:190
154499549,17cyclictest7767-21/usr/sbin/munin11:45:110
154499547,16cyclictest9268-21systemctl07:40:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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