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2026-02-11 - 19:31
[ 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 #c, 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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot7s.osadl.org (updated Wed Feb 11, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131800024820,9sleep20-21swapper/207:05:172
131922999463455,5cyclictest1350078-21turbostat08:35:003
131922599463456,4cyclictest1413909-21turbostat11:39:552
131922599463456,4cyclictest1413909-21turbostat11:39:542
131922599462437,21cyclictest1350078-21turbostat08:39:552
131922999461452,6cyclictest1424609-21turbostat12:05:003
131922999459449,6cyclictest1413909-21turbostat11:35:003
131922999458451,4cyclictest1406988-21turbostat11:19:563
131922999456449,4cyclictest1406988-21turbostat11:15:013
131922999456449,4cyclictest1368002-21turbostat09:25:003
131922599454447,4cyclictest1417378-21turbostat11:49:552
131921599454447,4cyclictest1400063-21turbostat10:59:550
131922999452445,4cyclictest1333849-21turbostat07:49:593
131922999452425,23cyclictest1339352-21turbostat08:05:013
131922999450443,4cyclictest1328292-21turbostat07:39:553
131922999450443,4cyclictest1326559-21turbostat07:34:553
131922999450442,5cyclictest1351809-21turbostat08:40:003
131922999449440,5cyclictest1320877-21turbostat07:15:003
131922999448439,5cyclictest1382156-21turbostat10:05:003
131922199447440,4cyclictest1401788-21turbostat11:04:551
131922999444436,4cyclictest1385613-21turbostat10:14:593
131922999443436,4cyclictest1433573-21turbostat12:34:553
131922999443436,4cyclictest1410451-21turbostat11:29:553
131922999443436,4cyclictest1351809-21turbostat08:44:553
131922599441434,4cyclictest1389368-21turbostat10:29:562
131922999440398,21cyclictest1320877-21turbostat07:19:553
131922999440398,21cyclictest1320877-21turbostat07:19:553
131922999438429,6cyclictest1344838-21turbostat08:20:003
131922999436429,4cyclictest1333849-21turbostat07:54:553
131922999436428,5cyclictest1433573-21turbostat12:30:003
131922199436429,4cyclictest1378385-21turbostat09:59:551
131922999434426,5cyclictest1368002-21turbostat09:29:553
131922999433426,4cyclictest1348305-21turbostat08:30:003
131922999433426,4cyclictest1348305-21turbostat08:30:003
131922999433424,6cyclictest1410451-21turbostat11:25:003
131922999430423,4cyclictest1324831-21turbostat07:25:003
131922999429421,5cyclictest1403519-21turbostat11:09:553
131922999429421,5cyclictest1398335-21turbostat10:50:013
131922999427420,4cyclictest1394868-21turbostat10:44:553
131922999427420,4cyclictest1394868-21turbostat10:44:543
131922999421414,4cyclictest1394868-21turbostat10:40:003
131922999420412,5cyclictest1403519-21turbostat11:05:003
131922599420413,4cyclictest1421155-21turbostat11:59:552
131922999419410,6cyclictest1371466-21turbostat09:39:553
131922999419410,6cyclictest1371466-21turbostat09:39:553
131922999418411,4cyclictest1374917-21turbostat09:44:593
131922999417410,4cyclictest1355890-21turbostat08:54:553
131922999417410,4cyclictest1355890-21turbostat08:54:553
131922999416409,4cyclictest1391111-21turbostat10:34:553
131922999415408,4cyclictest1398335-21turbostat10:54:563
131922999415408,4cyclictest1343103-21turbostat08:15:003
131922999414407,4cyclictest1355890-21turbostat08:50:003
131922999413404,6cyclictest1361082-21turbostat09:05:003
131922999410389,6cyclictest1326559-21turbostat07:30:003
131922999409400,6cyclictest1383877-21turbostat10:10:003
131922999408400,5cyclictest1359348-21turbostat09:00:003
131922999407398,6cyclictest1389368-21turbostat10:25:003
131922999405398,4cyclictest1431842-21turbostat12:25:013
131922199402394,5cyclictest1366271-21turbostat09:24:551
131922999401394,4cyclictest1424609-21turbostat12:09:553
131922999401392,6cyclictest1344838-21turbostat08:24:553
131922999400389,8cyclictest1337615-21turbostat08:00:003
131922999398390,5cyclictest1362806-21turbostat09:10:003
131922999396389,4cyclictest1376659-21turbostat09:50:003
131922599396389,4cyclictest1362806-21turbostat09:14:552
131922999392385,4cyclictest1435298-21turbostat12:39:553
131922999392385,4cyclictest1387333-21turbostat10:20:003
131922599392385,4cyclictest1369729-21turbostat09:34:552
131922999389381,5cyclictest1380118-21turbostat10:00:003
131922999388381,4cyclictest1401788-21turbostat11:00:003
131922599383376,4cyclictest1335892-21turbostat07:59:552
131922599381370,8cyclictest1405253-21turbostat11:14:542
131922999377370,4cyclictest1421155-21turbostat11:55:003
131922999375368,4cyclictest1422877-21turbostat12:00:013
131922599370363,4cyclictest1426339-21turbostat12:14:552
131922999369340,26cyclictest1364544-21turbostat09:15:013
131922999365357,5cyclictest1428072-21turbostat12:14:593
131922199365357,5cyclictest1324831-21turbostat07:29:551
131922599364346,15cyclictest1428072-21turbostat12:19:552
131922599363357,3cyclictest1396606-21turbostat10:49:542
131922999362355,4cyclictest1415645-21turbostat11:44:563
131922199362354,5cyclictest1431842-21turbostat12:29:561
131922199360353,4cyclictest1376659-21turbostat09:54:551
131922999352346,3cyclictest1364544-21turbostat09:19:563
131922199352345,4cyclictest1412187-21turbostat11:34:551
131922999340334,3cyclictest1430103-21turbostat12:20:003
131922999335328,4cyclictest1371466-21turbostat09:35:003
131922599332323,6cyclictest1380118-21turbostat10:04:552
131922999321314,4cyclictest1391111-21turbostat10:30:003
131921599319313,3cyclictest1330077-21turbostat07:44:550
131922599317309,5cyclictest1382156-21turbostat10:09:552
131922999297288,6cyclictest1341376-21turbostat08:10:003
131922999239225,9cyclictest1415645-21turbostat11:40:013
131922999239225,9cyclictest1415645-21turbostat11:40:013
131922999219204,11cyclictest1331815-21turbostat07:45:003
131922999172159,9cyclictest1378385-21turbostat09:55:003
1318765212370,44sleep30-21swapper/307:06:073
1319050210976,23sleep10-21swapper/107:09:471
1318809210875,23sleep00-21swapper/007:06:400
13192259910190,8cyclictest1359348-21turbostat09:04:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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