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2026-01-13 - 16:19
[ 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 #9, 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.
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 376 highest latencies:
System rack9slot4s (updated Tue Jan 13, 2026 12:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284269912581227,26cyclictest30479-21latency_hist07:30:011
272822773727,30sleep10-21swapper/107:20:211
283162477415,45sleep00-21swapper/007:24:320
2842599237215,15cyclictest30443-21munin-node07:30:000
59112890,3sleep05909-21sh09:46:550
285752850,8sleep12842699cyclictest11:17:161
228732840,5sleep02842599cyclictest10:05:120
85782780,3sleep1201rcuc/112:03:561
168662780,4sleep0111rcuc/009:58:490
125122780,3sleep00-21swapper/011:00:290
293172770,6sleep02842599cyclictest09:38:000
181792740,5sleep0111rcuc/011:06:130
181792740,5sleep0111rcuc/011:06:120
226902530,4sleep02842599cyclictest08:35:170
15222530,3sleep0111rcuc/007:35:290
102292510,3sleep110227-21iostat12:05:171
251732480,23sleep03-21ksoftirqd/011:14:210
28425994316,7cyclictest3-21ksoftirqd/010:14:530
28425994316,17cyclictest3-21ksoftirqd/009:53:550
28425994219,7cyclictest3-21ksoftirqd/010:16:250
28425994216,7cyclictest3-21ksoftirqd/011:51:270
28425994216,7cyclictest3-21ksoftirqd/009:20:030
28425994216,11cyclictest3-21ksoftirqd/010:53:590
28425994214,18cyclictest3-21ksoftirqd/010:42:420
159732420,4sleep0111rcuc/011:37:530
28425994118,8cyclictest3-21ksoftirqd/011:28:330
28425994118,7cyclictest3-21ksoftirqd/007:33:170
28425994116,6cyclictest3-21ksoftirqd/011:56:060
28425994116,14cyclictest3-21ksoftirqd/011:44:100
28425994115,7cyclictest3-21ksoftirqd/010:48:540
28425994115,15cyclictest3-21ksoftirqd/011:48:050
28425994115,15cyclictest3-21ksoftirqd/010:24:080
28425994115,15cyclictest3-21ksoftirqd/009:40:370
28425994114,7cyclictest3-21ksoftirqd/011:24:440
28425994114,17cyclictest3-21ksoftirqd/010:30:430
28425994114,16cyclictest3-21ksoftirqd/012:07:330
28425994112,17cyclictest5411-21iostat12:00:190
94562400,8sleep10-21swapper/110:24:531
2842699409,7cyclictest2864-21diskmemload09:42:301
28425994018,7cyclictest3-21ksoftirqd/008:03:070
28425994017,8cyclictest3-21ksoftirqd/012:23:040
28425994017,7cyclictest3-21ksoftirqd/010:56:070
28425994016,14cyclictest3-21ksoftirqd/012:26:110
28425994015,15cyclictest3-21ksoftirqd/009:25:270
28425994015,14cyclictest3-21ksoftirqd/012:41:590
28425994015,14cyclictest3-21ksoftirqd/009:31:200
28425994014,7cyclictest3-21ksoftirqd/012:50:560
28425994014,15cyclictest3-21ksoftirqd/012:35:180
28425994013,7cyclictest3-21ksoftirqd/010:00:080
210152401,35sleep121026-21sh10:35:361
28425993917,6cyclictest3-21ksoftirqd/012:15:280
28425993914,15cyclictest3-21ksoftirqd/012:14:530
28425993914,15cyclictest3-21ksoftirqd/009:17:200
28425993914,14cyclictest3-21ksoftirqd/011:33:310
28425993914,14cyclictest3-21ksoftirqd/010:38:110
28425993913,6cyclictest3-21ksoftirqd/011:18:080
28425993912,7cyclictest3-21ksoftirqd/012:31:200
2842699382,18cyclictest0-21swapper/112:41:101
28425993811,6cyclictest3-21ksoftirqd/009:14:500
2842699379,11cyclictest40550irq/92-i91512:32:231
2842699373,15cyclictest0-21swapper/110:55:361
28426993729,6cyclictest0-21swapper/108:54:151
28426993725,8cyclictest25697-21ssh10:07:361
28425993715,7cyclictest3-21ksoftirqd/012:47:240
28425993715,6cyclictest3-21ksoftirqd/007:45:170
28425993713,13cyclictest10491-21iostat10:25:190
2842699361,30cyclictest4022-21fw_packets09:45:151
28426993611,4cyclictest40550irq/92-i91510:14:341
2842699361,14cyclictest3687-21taskset11:58:531
98452351,5sleep12206-21dbus-daemon07:57:141
2842699357,24cyclictest0-21swapper/112:16:321
28426993527,4cyclictest0-21swapper/109:32:351
2842699352,15cyclictest0-21swapper/111:12:271
2842699351,6cyclictest0-21swapper/108:25:161
28425993511,8cyclictest15492-21ntp_states08:15:200
2842699345,13cyclictest40550irq/92-i91512:25:131
2842699343,6cyclictest0-21swapper/110:46:361
2842699343,29cyclictest0-21swapper/107:52:161
2842699343,27cyclictest0-21swapper/109:50:361
28426993426,5cyclictest0-21swapper/107:41:561
28425993416,7cyclictest18939-21hddtemp_smartct08:25:160
175112341,4sleep117583-21python08:20:261
158542341,4sleep115862-21sh09:24:321
2842699333,28cyclictest0-21swapper/110:54:361
2842699332,9cyclictest15361-21irqstats10:30:201
28426993326,4cyclictest0-21swapper/111:46:351
28426993326,3cyclictest0-21swapper/111:25:561
2842699332,4cyclictest0-21swapper/109:27:161
2842699331,5cyclictest0-21swapper/108:40:161
2842699331,4cyclictest30772-21ssh11:53:151
2842699331,30cyclictest0-21swapper/108:38:351
2842699331,29cyclictest7432-21ssh09:14:361
2842599339,8cyclictest2088-21switchtime09:05:290
2842599335,15cyclictest0-21swapper/008:52:310
28425993319,4cyclictest2943-21fschecks_count07:40:170
28425993314,6cyclictest20790-21perl08:30:160
2842599331,30cyclictest0-21swapper/008:21:560
28425993310,12cyclictest3-21ksoftirqd/008:41:280
2842699321,5cyclictest0-21swapper/111:09:551
2842699321,5cyclictest0-21swapper/111:09:551
2842699321,4cyclictest81rcu_preempt10:16:251
2842699321,29cyclictest0-21swapper/111:04:361
2842699321,29cyclictest0-21swapper/109:06:361
2842699321,28cyclictest0-21swapper/107:37:351
28425993217,5cyclictest12912-21needreboot08:05:210
28425993216,5cyclictest0-21swapper/009:00:230
28425993215,7cyclictest30006-21df08:55:110
28425993215,10cyclictest0-21swapper/007:56:250
2842599321,4cyclictest0-21swapper/007:52:370
28425993214,6cyclictest26515-21if_err_eth008:45:200
273242321,4sleep12645-21snmpd08:46:201
158982320,3sleep115908-21ssh11:37:461
105722321,4sleep110583-21df_inode08:00:141
2842699319,18cyclictest0-21swapper/111:22:231
28426993117,8cyclictest26829-21iostat_ios09:35:211
2842699311,4cyclictest81rcu_preempt10:04:011
28426993024,3cyclictest0-21swapper/112:35:171
28426993015,12cyclictest22-21ksoftirqd/112:20:301
2842699301,4cyclictest81rcu_preempt11:44:101
2842699301,4cyclictest81rcu_preempt07:33:171
2842699301,27cyclictest0-21swapper/112:53:561
2842699301,27cyclictest0-21swapper/110:29:181
2842699301,26cyclictest111-21usb-storage09:16:361
28425993014,7cyclictest0-21swapper/008:10:340
219092301,5sleep10-21swapper/108:33:461
7522291,5sleep10-21swapper/109:03:481
2842699294,22cyclictest0-21swapper/108:09:261
28426992918,7cyclictest9396-21sort11:30:301
2842699291,4cyclictest81rcu_preempt10:40:501
190642291,5sleep10-21swapper/112:49:221
186312291,5sleep10-21swapper/112:14:331
312132281,5sleep10-21swapper/108:57:411
28426992815,10cyclictest22-21ksoftirqd/109:55:441
59562271,5sleep10-21swapper/107:45:521
141152271,5sleep10-21swapper/108:11:001
2842699241,4cyclictest81rcu_preempt08:16:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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