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2026-02-05 - 01:04
[ 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 04, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
152310399506498,5cyclictest1570692-21turbostat09:25:013
152310399503496,4cyclictest1560303-21turbostat08:55:013
152310399502495,4cyclictest1593481-21turbostat10:34:553
152310399477457,17cyclictest1530416-21turbostat07:34:553
152310399465456,6cyclictest1556839-21turbostat08:44:593
152310399464441,20cyclictest1588301-21turbostat10:14:593
152310399464441,20cyclictest1588301-21turbostat10:14:593
152309599463456,4cyclictest1524740-21turbostat07:19:561
152310399459451,5cyclictest1607416-21turbostat11:14:553
152309099459450,6cyclictest1590030-21turbostat10:24:550
152310399458451,4cyclictest1562031-21turbostat09:04:563
152310399458432,5cyclictest1593481-21turbostat10:30:013
152310399457448,6cyclictest1634989-21turbostat12:30:013
152310399454447,4cyclictest1575881-21turbostat09:44:563
152309099454445,6cyclictest1551656-21turbostat08:34:550
152309999453444,6cyclictest1568958-21turbostat09:24:552
152310399452445,4cyclictest1533945-21turbostat07:40:003
152309999452445,4cyclictest1533945-21turbostat07:44:562
152310399451442,6cyclictest1629500-21turbostat12:15:003
152310399450443,4cyclictest1631541-21turbostat12:24:543
152310399450427,19cyclictest1537411-21turbostat07:49:593
152310399448440,5cyclictest1634989-21turbostat12:34:563
152310399446439,4cyclictest1615015-21turbostat11:34:553
152310399445438,4cyclictest1562031-21turbostat09:00:013
152310399442434,5cyclictest1602226-21turbostat10:55:013
152310399441434,4cyclictest1568958-21turbostat09:20:003
152310399439432,4cyclictest1584841-21turbostat10:09:563
152309999439431,5cyclictest1624318-21turbostat12:04:552
152310399438415,20cyclictest1556839-21turbostat08:49:543
152310399435428,4cyclictest1626029-21turbostat12:05:013
152310399435411,21cyclictest1540868-21turbostat08:00:003
152310399434427,4cyclictest1583107-21turbostat10:04:553
152310399434413,18cyclictest1611248-21turbostat11:20:013
152310399433426,4cyclictest1618471-21turbostat11:44:563
152310399431423,5cyclictest1563761-21turbostat09:09:543
152310399430421,6cyclictest1572419-21turbostat09:30:003
152310399425417,5cyclictest1539142-21turbostat07:55:003
152309599422413,6cyclictest1586566-21turbostat10:14:561
152309599422413,6cyclictest1586566-21turbostat10:14:551
152309099420413,4cyclictest1619112-21turbostat11:49:550
152310399418411,4cyclictest1530416-21turbostat07:30:003
152309599417408,6cyclictest1596995-21turbostat10:44:541
152310399414407,4cyclictest1636728-21turbostat12:39:553
152310399414406,5cyclictest1622588-21turbostat11:59:543
152310399409400,6cyclictest1618471-21turbostat11:40:013
152310399405396,6cyclictest1596995-21turbostat10:39:593
152309999404397,4cyclictest1609158-21turbostat11:19:562
152309099400393,4cyclictest1548192-21turbostat08:24:550
152310399399392,4cyclictest1613285-21turbostat11:29:543
152310399397388,6cyclictest1598729-21turbostat10:49:553
152309999397390,4cyclictest1546413-21turbostat08:19:542
152310399393385,5cyclictest1565494-21turbostat09:14:543
152310399391382,6cyclictest1551656-21turbostat08:30:013
152310399390382,5cyclictest1524740-21turbostat07:15:013
152310399390381,6cyclictest1611248-21turbostat11:24:553
152310399390381,6cyclictest1611248-21turbostat11:24:553
152310399389381,5cyclictest1555108-21turbostat08:39:593
152309099388381,4cyclictest1633275-21turbostat12:29:560
152310399378371,4cyclictest1603958-21turbostat11:00:003
152310399375368,4cyclictest1620836-21turbostat11:49:593
152310399372365,4cyclictest1581379-21turbostat09:59:543
152310399370363,4cyclictest1544682-21turbostat08:14:553
152309999367359,5cyclictest1605689-21turbostat11:09:542
152310399366359,4cyclictest1627773-21turbostat12:10:013
152310399366359,4cyclictest1622588-21turbostat11:54:593
152310399365359,3cyclictest1553377-21turbostat08:35:013
152309099364357,4cyclictest1602226-21turbostat10:59:550
152310399362354,5cyclictest1526963-21turbostat07:24:553
152309599360353,4cyclictest1542954-21turbostat08:09:551
152310399358351,4cyclictest1577613-21turbostat09:49:563
152310399358351,4cyclictest1577613-21turbostat09:49:553
152309599357351,3cyclictest1532146-21turbostat07:39:541
152310399356334,18cyclictest1607416-21turbostat11:10:003
152310399353346,4cyclictest1574154-21turbostat09:39:543
152310399353345,5cyclictest1581379-21turbostat09:54:593
152310399353333,17cyclictest1549920-21turbostat08:25:013
152310399352345,4cyclictest1542954-21turbostat08:05:013
152310399345336,6cyclictest1574154-21turbostat09:34:593
152309999344337,4cyclictest1553377-21turbostat08:39:562
152310399338317,18cyclictest1629500-21turbostat12:19:543
152310399337330,4cyclictest1598729-21turbostat10:45:003
152309599337329,5cyclictest1627773-21turbostat12:14:551
152310399335329,3cyclictest1590030-21turbostat10:20:003
152309999333316,14cyclictest1537411-21turbostat07:54:542
152309099331322,6cyclictest1595227-21turbostat10:39:550
152310399328322,3cyclictest1548192-21turbostat08:19:593
152310399326319,4cyclictest1544682-21turbostat08:10:003
152309599322314,5cyclictest1600500-21turbostat10:54:551
152309599317310,4cyclictest1567214-21turbostat09:19:561
152309099317310,4cyclictest1572419-21turbostat09:34:540
152239622660,9sleep20-21swapper/207:05:272
152239622660,9sleep20-21swapper/207:05:262
152310399251237,10cyclictest1526963-21turbostat07:20:003
152310399156135,18cyclictest1605689-21turbostat11:04:593
1522836213071,22sleep00-21swapper/007:08:480
1522836213071,22sleep00-21swapper/007:08:480
1522810212592,23sleep10-21swapper/107:08:281
1522810212592,23sleep10-21swapper/107:08:281
1522682210774,23sleep30-21swapper/307:06:503
1522682210774,23sleep30-21swapper/307:06:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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