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2026-02-01 - 14:59
[ 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 #8, slot #6

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 rack8slot6s.osadl.org (updated Sun Feb 01, 2026 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25179991918,1cyclictest65850irq/126-lan12:25:180
25179991918,1cyclictest65850irq/126-lan10:20:120
25179991817,1cyclictest65850irq/126-lan10:40:160
25179991817,1cyclictest65850irq/126-lan10:05:170
25179991817,1cyclictest65850irq/126-lan08:15:210
25179991817,1cyclictest65850irq/126-lan07:47:030
25179991717,0cyclictest65850irq/126-lan11:55:160
25179991717,0cyclictest65850irq/126-lan11:05:110
25179991717,0cyclictest65850irq/126-lan11:00:410
25179991717,0cyclictest65850irq/126-lan10:15:120
25179991717,0cyclictest65850irq/126-lan09:50:100
25179991717,0cyclictest65850irq/126-lan09:45:190
25179991717,0cyclictest65850irq/126-lan08:20:170
25179991717,0cyclictest65850irq/126-lan07:59:180
25179991716,1cyclictest65850irq/126-lan11:30:170
25179991716,1cyclictest65850irq/126-lan09:55:220
25179991716,1cyclictest65850irq/126-lan09:05:180
25179991716,1cyclictest65850irq/126-lan08:05:120
25179991716,1cyclictest65850irq/126-lan07:30:120
25179991616,0cyclictest65850irq/126-lan12:30:120
25179991616,0cyclictest65850irq/126-lan09:40:170
25179991616,0cyclictest65850irq/126-lan09:35:090
25179991615,1cyclictest65850irq/126-lan11:15:150
25179991615,1cyclictest65850irq/126-lan10:32:180
25179991615,1cyclictest65850irq/126-lan10:00:150
25179991615,1cyclictest65850irq/126-lan07:35:150
25179991615,1cyclictest65850irq/126-lan07:20:180
25179991615,1cyclictest65850irq/126-lan07:10:110
25179991515,0cyclictest65850irq/126-lan12:07:180
25179991515,0cyclictest65850irq/126-lan11:40:100
25179991515,0cyclictest65850irq/126-lan11:13:180
25179991515,0cyclictest65850irq/126-lan08:55:160
25179991515,0cyclictest65850irq/126-lan08:50:210
25179991515,0cyclictest65850irq/126-lan07:50:150
25179991514,1cyclictest65850irq/126-lan12:35:190
25179991514,1cyclictest65850irq/126-lan12:20:150
25179991514,1cyclictest65850irq/126-lan11:45:160
25179991514,1cyclictest65850irq/126-lan11:35:170
25179991514,1cyclictest65850irq/126-lan09:00:170
25179991414,0cyclictest65850irq/126-lan10:45:140
25179991414,0cyclictest65850irq/126-lan09:30:230
25179991414,0cyclictest65850irq/126-lan08:38:240
25179991413,1cyclictest65850irq/126-lan11:25:140
25179991413,1cyclictest65850irq/126-lan10:55:190
25179991413,1cyclictest65850irq/126-lan08:10:170
25179991313,0cyclictest65850irq/126-lan08:40:130
25179991313,0cyclictest65850irq/126-lan08:00:200
25179991312,1cyclictest65850irq/126-lan10:25:210
25179991312,1cyclictest65850irq/126-lan08:45:110
25179991312,1cyclictest65850irq/126-lan08:25:120
25179991312,1cyclictest65850irq/126-lan07:25:150
25179991312,1cyclictest65850irq/126-lan07:15:170
25179991212,0cyclictest65850irq/126-lan12:19:130
25179991212,0cyclictest65850irq/126-lan12:13:360
25179991212,0cyclictest65850irq/126-lan10:50:200
25179991211,1cyclictest65850irq/126-lan09:24:180
25179991211,1cyclictest65850irq/126-lan09:10:120
2518799118,3cyclictest743-21snmpd09:34:061
2518799110,7cyclictest26454-21latency_hist12:30:001
2518799110,5cyclictest9832-21cat09:10:011
25179991111,0cyclictest65850irq/126-lan10:14:190
25179991111,0cyclictest65850irq/126-lan08:30:170
25179991111,0cyclictest65850irq/126-lan07:40:180
2518799100,8cyclictest9704-21wc11:45:211
2518799100,8cyclictest3314-21chrt10:12:551
2518799100,6cyclictest27181-21ld11:10:151
2518799100,6cyclictest26096-21chrt11:09:411
2518799100,6cyclictest21708-21taskset09:39:311
2518799100,6cyclictest21083-21ld10:55:151
2518799100,6cyclictest18901-21sed10:50:151
2518799100,6cyclictest17553-21seq09:27:581
2518799100,5cyclictest17360-21ntpq12:05:161
25179991010,0cyclictest65850irq/126-lan11:24:170
251939998,1cyclictest743-21snmpd11:42:092
251939998,1cyclictest743-21snmpd10:34:072
251939998,1cyclictest743-21snmpd09:24:572
251879998,1cyclictest741-21lldpd12:34:261
251879997,2cyclictest26734-21head09:50:141
251879996,3cyclictest743-21snmpd08:57:081
251879992,4cyclictest10357-21cat09:10:131
251879991,6cyclictest30799-21netstat10:00:171
251879990,8cyclictest20016-21chrt12:10:301
251879990,7cyclictest30992-21ntpq08:40:181
251879990,7cyclictest27628-21seq08:31:261
251879990,7cyclictest23721-21seq09:44:151
251879990,7cyclictest21375-21seq08:19:251
251879990,7cyclictest1456-21chrt10:09:451
251879990,6cyclictest7950-21chrt11:40:481
251879990,6cyclictest747-21runrttasks11:31:511
251879990,6cyclictest7401-21seq10:23:211
251879990,6cyclictest24387-21seq12:24:291
251879990,6cyclictest19374-21seq08:14:371
251879990,6cyclictest15386-21ntpq12:00:171
251879990,6cyclictest0-21swapper/109:46:041
251879990,5cyclictest9699-21wc07:50:141
251879990,5cyclictest676-21ntpq08:45:161
251879990,5cyclictest5866-21chrt09:00:051
251879990,5cyclictest3934-21ntpq07:35:181
251879990,5cyclictest28878-21ntpq09:55:181
251879990,5cyclictest28229-21ld07:15:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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