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2026-02-01 - 22:33
[ 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 Sun Feb 01, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
400880599509501,5cyclictest4028607-21turbostat08:09:553
400880599507500,4cyclictest4041027-21turbostat08:44:543
400880599505496,5cyclictest4095023-21turbostat11:15:003
400879999477454,19cyclictest4109234-21turbostat11:59:551
400880599473445,15cyclictest4098533-21turbostat11:24:593
400880599470451,16cyclictest4075680-21turbostat10:20:003
400880599464457,4cyclictest4098533-21turbostat11:29:543
400880599464457,4cyclictest4033803-21turbostat08:24:553
400880399463456,4cyclictest4017869-21turbostat07:39:562
400880599462429,19cyclictest4082916-21turbostat10:44:553
400880599461454,4cyclictest4070499-21turbostat10:05:003
400880599461454,4cyclictest4012670-21turbostat07:24:553
400880599461452,6cyclictest4026879-21turbostat08:00:013
400880599459452,4cyclictest4041027-21turbostat08:39:593
400880599459450,6cyclictest4019653-21turbostat07:44:553
400879499458451,4cyclictest4023116-21turbostat07:54:550
400880599456449,4cyclictest4082916-21turbostat10:40:003
400880599447440,4cyclictest4086364-21turbostat10:50:003
400880599447439,5cyclictest4012670-21turbostat07:20:003
400880399446439,4cyclictest4086364-21turbostat10:54:552
400879999440433,4cyclictest4042756-21turbostat08:49:551
400880599439431,5cyclictest4079150-21turbostat10:30:003
400880599432425,4cyclictest4107494-21turbostat11:50:003
400880599432425,4cyclictest4053147-21turbostat09:19:563
400880599432411,18cyclictest4121713-21turbostat12:34:563
400880599432399,17cyclictest4117880-21turbostat12:24:553
400880399428420,4cyclictest4065299-21turbostat09:54:552
400880599426419,4cyclictest4067029-21turbostat09:59:553
400880399426415,8cyclictest4068764-21turbostat10:04:552
400879499426419,4cyclictest4046228-21turbostat08:59:550
400879499426419,4cyclictest4046228-21turbostat08:59:550
400880599425418,4cyclictest4121713-21turbostat12:30:003
400880599425418,4cyclictest4032070-21turbostat08:19:543
400880399423416,4cyclictest4096806-21turbostat11:24:552
400880599422413,6cyclictest4056599-21turbostat09:24:593
400880599422413,6cyclictest4056599-21turbostat09:24:593
400880599422395,8cyclictest4051405-21turbostat09:14:563
400880399422413,6cyclictest4037565-21turbostat08:34:562
400880599419409,6cyclictest4081181-21turbostat10:35:003
400880399419411,5cyclictest4081181-21turbostat10:39:552
400880599418410,4cyclictest4037565-21turbostat08:30:013
400879499417410,4cyclictest4056599-21turbostat09:29:540
400880599416407,6cyclictest4061806-21turbostat09:44:563
400880599413405,5cyclictest4017869-21turbostat07:35:003
400880399413386,24cyclictest4079150-21turbostat10:34:552
400880599411403,5cyclictest4123494-21turbostat12:39:553
400880599406399,4cyclictest4103724-21turbostat11:44:553
400880599405397,5cyclictest4049678-21turbostat09:04:593
400880399405396,6cyclictest4073947-21turbostat10:19:552
400880399404377,24cyclictest4091556-21turbostat11:09:542
400880399402395,4cyclictest4058332-21turbostat09:34:552
400880599401394,4cyclictest4014408-21turbostat07:29:553
400879499400392,5cyclictest4112690-21turbostat12:09:550
400880599398391,4cyclictest4095023-21turbostat11:19:553
400879999398391,4cyclictest4089839-21turbostat11:04:551
400880599396388,5cyclictest4072219-21turbostat10:14:563
400879499396388,5cyclictest4105458-21turbostat11:49:540
400880599393386,4cyclictest4019653-21turbostat07:40:003
400880599393373,17cyclictest4044487-21turbostat08:50:013
400880599387379,5cyclictest4091556-21turbostat11:04:593
400880599384377,4cyclictest4049678-21turbostat09:09:543
400880599383376,4cyclictest4101999-21turbostat11:35:003
400880399381374,4cyclictest4077416-21turbostat10:29:552
400880399381374,4cyclictest4044487-21turbostat08:54:552
400879999381373,5cyclictest4030327-21turbostat08:14:561
400879499381372,6cyclictest4110962-21turbostat12:04:560
400880599380372,5cyclictest4110962-21turbostat12:00:003
400880399379371,5cyclictest4119989-21turbostat12:29:552
400880599375368,4cyclictest4028607-21turbostat08:05:003
400879999375353,19cyclictest4101999-21turbostat11:39:551
400880399373366,4cyclictest4016138-21turbostat07:34:552
400880599371364,4cyclictest4112690-21turbostat12:05:013
400880599371364,4cyclictest4103724-21turbostat11:40:013
400880599371364,4cyclictest4065299-21turbostat09:49:593
400879999370362,5cyclictest4088102-21turbostat10:59:561
400880599368361,4cyclictest4032070-21turbostat08:14:593
400879999368361,4cyclictest4060073-21turbostat09:39:551
400880599367346,8cyclictest4107494-21turbostat11:54:553
400880599364356,5cyclictest4089839-21turbostat11:00:003
400880599363354,6cyclictest4060073-21turbostat09:35:003
400880599357351,3cyclictest4021386-21turbostat07:49:553
400880599356349,4cyclictest4047951-21turbostat09:00:003
400880599356349,4cyclictest4047951-21turbostat09:00:003
400880399352345,4cyclictest4054877-21turbostat09:24:562
400880399352345,4cyclictest4054877-21turbostat09:24:562
400879999349343,3cyclictest4116140-21turbostat12:19:551
400880599348341,4cyclictest4072219-21turbostat10:10:013
400879999348341,4cyclictest4114418-21turbostat12:14:541
400880599340334,3cyclictest4010455-21turbostat07:15:003
400880599340333,4cyclictest4116140-21turbostat12:15:003
400879499340333,4cyclictest4010455-21turbostat07:19:550
400880399338331,4cyclictest4070499-21turbostat10:09:552
400880399329323,3cyclictest4100269-21turbostat11:34:552
400880599328319,6cyclictest4114418-21turbostat12:10:003
400880599326319,4cyclictest4067029-21turbostat09:55:003
400880399322315,4cyclictest4035532-21turbostat08:29:552
400879999321313,5cyclictest4063578-21turbostat09:49:551
400879499318312,3cyclictest4093295-21turbostat11:14:550
400880599314307,4cyclictest4046228-21turbostat08:55:013
400879999314306,5cyclictest4047951-21turbostat09:04:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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