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2026-02-02 - 13:21
[ 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 Mon Feb 02, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2114121250,2chrt21138-21ld23:12:100
406321230,2sleep04062-21seq21:58:560
1259121210,2chrt12590-21/usr/sbin/munin22:11:140
2660821200,2chrt26609-21sh00:08:500
2052021170,3chrt20519-21seq00:00:040
2027921170,2chrt18157-21/usr/sbin/munin22:22:380
1354521170,2sleep013543-21awk00:37:270
710821160,2chrt7096-21irqrtprio22:51:510
2898221150,3chrt28983-21seq20:55:140
3007721140,1sleep030082-21seq00:14:120
665221130,2chrt6651-21seq23:39:100
3099821130,3chrt30999-21sh21:49:060
1881221130,2chrt18813-21sleep19:46:410
47021110,2chrt468-21ld22:41:350
226421110,3chrt2261-21cron21:55:000
802821100,2chrt8029-21cat20:20:520
2190421080,1sleep021905-21runrttasks21:33:490
1025921080,1sleep010264-21chrt22:07:440
430621070,2chrt4305-21cut20:15:340
343421070,2chrt3435-21sh23:34:250
782421060,2chrt7825-21chrt21:12:320
2355621050,2sleep023557-21chrt00:04:280
428521040,2sleep04288-21wc22:47:230
1637321030,2sleep016374-21seq23:05:500
190162930,1sleep019017-21runrttasks21:29:540
16992870,1sleep01700-21cut00:20:320
86762810,2sleep08677-21fschecks_count00:30:520
257362800,2sleep025738-21sort20:50:020
116232790,2sleep011624-21seq22:58:130
5802780,2sleep0581-21seq00:18:190
273092780,2sleep027310-21chrt22:33:260
176642770,1sleep017665-21seq20:36:210
110782760,2sleep011079-21chrt19:35:160
302692740,1sleep030270-21uniq23:25:530
259052740,1sleep025906-21chrt20:50:190
138372740,2sleep013838-21chrt23:50:090
58442710,2sleep05847-21cut00:26:060
243972710,2sleep024400-21cut19:55:430
87462700,2sleep08750-21cut19:30:440
220242680,1sleep022026-21cut22:25:540
102692680,1sleep010272-21awk20:25:260
320132630,2sleep032015-21awk19:16:030
63102610,1sleep06311-21seq22:01:550
244762600,1sleep024477-21chrt21:39:350
83392590,2sleep08340-21cat23:41:090
17622590,2sleep01767-21chrt19:20:130
274052580,3sleep027403-21ssh21:43:330
144672570,2sleep014468-21seq23:02:190
165242540,2sleep016525-21/usr/sbin/munin22:17:180
228822532,42sleep022931-21sleep23:15:100
286352523,40sleep028638-21irqstats19:10:470
113872522,6sleep011455-21ssh23:46:030
316712513,40sleep031665-21ntpq20:07:010
119882510,1sleep011989-21runrttasks21:19:080
27612905020,22cyclictest0-21swapper23:23:000
300712480,2sleep030074-21awk22:37:240
234452481,38sleep00-21swapper19:54:540
2570224712,20sleep025721-21ntpq19:05:490
143062472,38sleep014328-21/usr/sbin/munin21:22:170
143132463,36sleep014321-21ntpq20:30:590
7972450,4chrt798-21runrttasks20:10:140
204282440,3sleep020427-21seq20:40:500
7332430,1sleep0734-21chrt21:00:580
2761290415,9cyclictest15394-21ntpq19:41:080
2761290414,18cyclictest27969-21ld20:01:020
2761290413,9cyclictest3078-21df_inode21:05:300
2761290404,28cyclictest5175-21df19:25:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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