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2026-01-26 - 02:50
[ 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 #f, slot #4

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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackfslot4s.osadl.org (updated Sun Jan 25, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2531021260,3chrt25311-21grep11:45:350
1055521240,2chrt10551-21ntpq12:11:390
2764221230,2chrt27621-21ntpq12:37:240
1803021230,4chrt17992-21munin-run11:35:040
2042821220,4chrt20421-21ntpq12:26:260
134921210,2sleep01348-21seq11:57:470
2040821190,2chrt20409-21runrttasks10:49:460
449521160,2sleep04496-21chrt10:25:370
1838221160,3chrt18383-21rm11:35:180
1139921160,3chrt11400-21smartctl10:35:570
2310221140,3chrt23103-21sleep08:25:430
1883221140,4chrt18828-21aten2.4-expect09:10:350
3163021130,2chrt31631-21ssh09:29:270
2477921130,2chrt24780-21seq09:19:080
2951721100,2chrt29515-21awk08:35:360
2477821100,2sleep024779-21runrttasks12:33:090
822621090,2chrt8227-21chrt09:42:210
791421090,2sleep07915-21irqrtprio08:00:470
68221090,2chrt683-21chrt10:20:050
1678321080,2chrt16784-21sh07:23:470
1157821080,2chrt11577-21seq11:25:170
2371721060,1sleep023718-21runrttasks10:54:450
2035221050,2chrt20353-21sleep07:29:290
264221040,1sleep02643-21runrttasks09:34:450
12822930,2sleep01283-21seq11:09:510
51632910,2sleep05164-21ssh09:37:480
293012900,2sleep029302-21irqrtprio11:51:050
173012880,2sleep017302-21seq12:21:470
25192860,2sleep02521-21grep10:22:120
74672840,4chrt7437-21ntpq12:07:060
96782830,2sleep09679-21sshd11:21:430
86472800,2chrt8619-21ntpq10:31:190
31642800,2sleep03165-21chrt11:12:000
93442780,1sleep09345-21chrt08:55:170
294952780,1sleep029496-21sh10:14:330
250592780,2sleep025061-21grep07:36:100
208562780,2sleep020858-21latency10:01:130
147202770,2sleep014721-21chrt09:52:130
40292740,1sleep04030-21seq12:01:520
132062740,1sleep013207-21if_eth012:15:590
91542730,1sleep09155-21chrt08:55:010
70782737,52sleep07083-21sleep07:07:510
44052720,2sleep04406-21fschecks_count07:55:340
189062680,2sleep018907-21seq09:58:370
158072630,2sleep015810-21grep09:05:260
255522590,2sleep025550-21ntp_states10:56:500
167182580,1sleep016719-21chrt10:43:520
7936905725,22cyclictest21716-21ssh11:40:220
7936905725,13cyclictest9216-21ntpq07:11:000
7936905724,23cyclictest25722-21sh10:08:520
7936905724,13cyclictest20728-21ntpq08:21:010
7936905723,24cyclictest906-21/usr/sbin/munin07:51:090
7936905723,14cyclictest28495-21memory11:01:100
7936905624,22cyclictest28433-21mailstats07:41:260
59772560,1sleep05978-21latency11:16:100
7936905525,21cyclictest28613-21ssh09:25:040
7936905523,13cyclictest1304-21ntp_states08:41:170
118292550,3sleep011826-21ssh09:47:410
7936905429,16cyclictest11163-21apt-get07:15:170
7936905424,22cyclictest12782-21df09:00:300
7936905423,21cyclictest30250-21apt-key07:45:110
7936905422,12cyclictest21095-21diskstats07:30:330
7936905421,14cyclictest11501-21/usr/sbin/munin08:06:100
7936905321,22cyclictest16954-21hddtemp_smartct08:15:350
7936905321,22cyclictest13875-21hddtemp_smartct08:10:380
7936905224,20cyclictest3976-21irqstats08:45:450
7936905029,13cyclictest26539-21sleep08:30:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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