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2026-01-25 - 09:50
[ 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 #3, 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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6s.osadl.org (updated Sun Jan 25, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30672211795,16sleep10-21swapper/119:05:431
30970211394,14sleep30-21swapper/319:09:343
29216211093,12sleep20-21swapper/219:05:092
30335210896,6sleep00-21swapper/019:05:230
35462850,0sleep00-21swapper/000:28:380
207332680,0sleep30-21swapper/323:36:233
31031993517,1cyclictest0-21swapper/122:25:121
3103199350,18cyclictest0-21swapper/123:45:091
211352280,1sleep10-21swapper/123:01:181
296292230,0sleep00-21swapper/000:20:410
3103399211,18cyclictest0-21swapper/322:20:113
3103199211,2cyclictest0-21swapper/119:25:121
3103199211,2cyclictest0-21swapper/119:25:111
3103199210,4cyclictest0-21swapper/119:21:051
3103099210,2cyclictest0-21swapper/020:25:130
3103199200,18cyclictest14879-21diskmemload00:20:121
3103099200,2cyclictest0-21swapper/021:15:130
3103099200,18cyclictest0-21swapper/023:45:100
174182200,1sleep20-21swapper/222:57:502
174182200,1sleep20-21swapper/222:57:492
3103299190,17cyclictest0-21swapper/223:45:092
3103199192,15cyclictest0-21swapper/123:11:011
3103199191,3cyclictest0-21swapper/100:39:041
3103199190,4cyclictest0-21swapper/121:20:051
3103199190,4cyclictest0-21swapper/120:45:051
3103199190,3cyclictest0-21swapper/122:38:051
3103199190,3cyclictest0-21swapper/122:34:041
3103199190,3cyclictest0-21swapper/120:32:051
3103199190,15cyclictest0-21swapper/122:48:051
237662190,1sleep123771-21apt21:55:001
31032991815,2cyclictest18255-21kworker/u8:121:38:052
3103199181,2cyclictest0-21swapper/120:22:051
3103199180,3cyclictest0-21swapper/123:19:041
3103199180,3cyclictest0-21swapper/119:35:051
31032991714,2cyclictest4060-21kworker/u8:021:34:052
31032991714,2cyclictest2453-21kworker/u8:023:02:052
3103199170,3cyclictest0-21swapper/120:59:051
3103299161,3cyclictest0-21swapper/221:15:182
31032991613,2cyclictest13016-21kworker/u8:222:26:052
3103199162,11cyclictest0-21swapper/123:07:591
3103199161,2cyclictest0-21swapper/100:19:051
3103199161,2cyclictest0-21swapper/100:09:051
31032991512,2cyclictest9688-21kworker/u8:123:28:052
31032991512,2cyclictest2453-21kworker/u8:022:41:042
31032991512,2cyclictest24140-21kworker/u8:222:04:052
31032991512,2cyclictest11609-21kworker/u8:200:02:052
3103299151,12cyclictest9445-21diskstats20:55:142
31032991511,2cyclictest0-21swapper/223:20:102
31032991511,2cyclictest0-21swapper/220:40:112
3103299150,13cyclictest1339-21hwlatdetect22:05:142
31031991510,3cyclictest15801-21ntp_kernel_pll_21:45:171
3103199150,13cyclictest14879-21diskmemload23:29:521
3103199150,13cyclictest0-21swapper/100:00:231
3103099150,13cyclictest27728-21latency_hist23:45:010
3103399149,3cyclictest15657-21ssh22:55:263
3103399149,3cyclictest15657-21ssh22:55:253
31033991411,2cyclictest0-21swapper/323:25:593
3103399141,11cyclictest11241-21ntp_states21:40:183
31033991410,2cyclictest7497-21gdm-simple-gree22:12:593
3103399140,12cyclictest23841-21ssh21:54:593
3103399140,12cyclictest0-21swapper/322:40:493
3103299149,3cyclictest8240-21ssh00:33:332
31032991411,2cyclictest6882-21kworker/u8:319:38:042
31032991411,2cyclictest28418-21kworker/u8:222:46:052
31032991411,2cyclictest2534-21kworker/u8:120:09:052
31032991411,2cyclictest2534-21kworker/u8:119:47:052
31032991411,2cyclictest2455-21kworker/u8:020:53:032
31032991411,2cyclictest14851-21kworker/u8:121:46:052
31032991411,2cyclictest12132-21kworker/u8:019:13:042
31032991411,2cyclictest0-21swapper/222:52:192
31032991411,2cyclictest0-21swapper/222:52:192
31032991411,2cyclictest0-21swapper/200:19:392
3103299141,11cyclictest18037-21ssh21:12:432
3103299141,11cyclictest0-21swapper/200:35:542
31032991410,3cyclictest7458-21runrttasks22:17:542
31032991410,2cyclictest0-21swapper/222:36:292
31032991410,2cyclictest0-21swapper/221:00:122
31032991410,2cyclictest0-21swapper/200:05:262
3103299140,3cyclictest0-21swapper/223:06:362
3103299140,13cyclictest0-21swapper/223:53:512
3103299140,13cyclictest0-21swapper/223:41:192
3103299140,12cyclictest0-21swapper/223:37:222
3103199142,8cyclictest21-21rcuc/120:05:241
3103199140,3cyclictest23857-21gltestperf23:40:141
3103199140,2cyclictest0-21swapper/123:36:371
3103199140,13cyclictest21-21rcuc/123:31:591
3103199140,12cyclictest14879-21diskmemload22:07:161
3103199140,12cyclictest0-21swapper/122:41:321
3103199140,12cyclictest0-21swapper/121:27:171
3103199140,12cyclictest0-21swapper/121:19:111
3103199140,12cyclictest0-21swapper/120:00:101
31030991411,2cyclictest14879-21diskmemload22:05:110
31030991411,2cyclictest0-21swapper/021:31:570
31030991411,2cyclictest0-21swapper/021:20:210
31030991410,2cyclictest16100-21ssh00:06:110
31030991410,2cyclictest0-21swapper/000:34:290
3103099140,6cyclictest0-21swapper/021:58:040
3103099140,2cyclictest0-21swapper/022:55:210
3103099140,2cyclictest0-21swapper/022:55:210
3103099140,13cyclictest0-21swapper/020:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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