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2026-02-25 - 12:39
[ 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 100 highest latencies:
System rackfslot4s.osadl.org (updated Wed Feb 25, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2207721410,2sleep022079-21missed_timers21:56:140
563221250,2chrt5328-21apt-get19:51:050
1082521250,2chrt10821-21df_inode00:05:410
1161521210,2chrt11613-21ntpq20:50:490
84121180,2chrt842-21runrttasks00:39:330
1450521180,2chrt14507-21if_eth000:11:030
1194021180,3chrt11939-21/usr/sbin/munin20:00:360
2557221170,2chrt25575-21aten2.4_rfpower22:50:510
1934321170,2chrt19340-21ld20:11:450
2181521140,2chrt21816-21sleep00:21:390
570321130,2sleep05706-21cut22:20:500
2434121130,3chrt24342-21sleep22:48:430
2126321130,2chrt21264-21seq22:44:180
3106421110,2chrt31047-21ntpq21:21:240
940121100,1sleep09402-21chrt23:15:100
823421100,2chrt8235-21sleep00:01:490
2024521090,2chrt20237-21ps23:31:030
2833721080,3chrt28338-21runrttasks23:42:580
2241621040,3chrt22417-21sh21:08:510
1575521040,3chrt15756-21sh20:57:370
138721030,2chrt1388-21sh19:43:500
570721020,3chrt5708-21sleep23:09:340
393021020,2chrt3931-21sh20:39:190
146792950,2sleep014680-21cat23:22:190
28792930,2sleep02881-21latency22:16:100
184802900,2sleep018478-21grep21:51:280
84282890,2sleep08429-21seq22:25:080
10032890,2sleep01005-21chrt22:13:380
43862880,2sleep04389-21grep21:30:390
132002860,2sleep013201-21chrt21:43:230
11262860,1sleep01127-21chrt20:35:020
231602830,2chrt23143-21ntpq19:26:000
309912800,2sleep030992-21chrt22:58:210
53432740,2sleep05345-21grep23:57:120
297822740,2sleep029780-21threads19:36:280
188312730,2sleep018832-21seq23:29:060
13202720,1sleep01321-21chrt23:02:180
300442700,2sleep030045-21chrt00:34:410
100682690,2sleep010069-21/usr/sbin/munin19:05:290
49412650,1sleep04942-21chrt19:50:020
23932640,2sleep02394-21seq23:52:400
275452610,2sleep027544-21seq22:05:050
90142600,2sleep09015-21chrt21:37:050
99622590,1sleep09960-21threads19:56:270
305422580,2sleep030543-21grep20:30:030
274982540,2sleep027499-21kernelversion21:16:120
248682543,41sleep024904-21ps20:20:430
188762530,2sleep018877-21sendmail_mailtr00:17:160
117452530,1sleep011746-21chrt22:30:070
256512520,1sleep025652-21chrt23:39:330
12553905221,14cyclictest0-21swapper21:28:500
166342503,39sleep016629-21ssh22:36:530
87412494,5sleep08748-21ntpq20:46:110
319712490,2sleep031974-21seq23:48:440
194432493,37sleep019446-21seq21:04:120
258062480,3chrt25804-21/usr/sbin/munin19:30:430
12553904817,23cyclictest0-21swapper23:14:190
168772470,1sleep016876-21seq21:49:090
12553904718,22cyclictest0-21swapper00:29:110
12553904418,20cyclictest0-21swapper21:13:200
12553904418,17cyclictest12864-21telnet19:10:240
176122430,2sleep017608-21http20:10:030
1255390434,20cyclictest24268-21/usr/sbin/munin22:00:510
1255390425,19cyclictest16450-21if_eth219:15:420
1255390415,27cyclictest21705-21if_eth120:15:400
49262390,2sleep04927-21chrt20:40:380
12553903818,13cyclictest0-21swapper19:20:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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