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2026-03-04 - 13:55
[ 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 #2, 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 highest latencies:
System rack2slot7s.osadl.org (updated Wed Mar 04, 2026 07:55:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13479249910286,9cyclictest2160355-21sh06:10:341
13479249910286,9cyclictest2160355-21sh06:10:341
1347925996945,21cyclictest2161782-21sort06:10:392
1347925996945,21cyclictest2161782-21sort06:10:392
1347923996549,12cyclictest1347930-21kworker/u8:16-rpciod06:12:230
1347923996549,12cyclictest1347930-21kworker/u8:16-rpciod06:12:230
134792499599,46cyclictest2065859-21latency_hist06:05:021
1347923995746,6cyclictest1581475-21sh05:40:340
1347924995648,5cyclictest2068075-21sh06:06:511
1347925995546,5cyclictest1641896-21od05:43:102
1347924995537,15cyclictest1619700-21sort05:42:111
1347924995441,10cyclictest0-21swapper/105:53:421
1347923995138,5cyclictest2083576-21multi.sh06:07:270
134792499491,35cyclictest0-21swapper/105:05:261
1347925994839,6cyclictest1655845-21ntp_states05:50:362
134792599471,35cyclictest1356225-21pipe05:30:242
1347924994638,3cyclictest0-21swapper/105:20:281
1347925994437,3cyclictest0-21swapper/205:20:322
1347925994335,5cyclictest2119727-21looper06:09:132
1347924994321,18cyclictest0-21swapper/105:45:261
134792499431,38cyclictest2230110-21ntpq06:35:251
1347925994231,8cyclictest1654825-21Run05:49:192
1347924994234,5cyclictest1575401-21systemctl05:40:011
1347924994234,5cyclictest1575401-21systemctl05:40:011
134792499421,37cyclictest2224079-21ntpq06:15:251
134792499421,37cyclictest2224079-21ntpq06:15:251
1347923994231,8cyclictest1350901-21Run06:02:290
1347923994220,18cyclictest1654851-21execl05:50:010
134792499412,35cyclictest2225555-21ntpq06:20:241
134792499412,35cyclictest2225555-21ntpq06:20:241
1347923994135,4cyclictest1350952-21systemd05:15:010
1347923994132,5cyclictest1656419-21fstime05:53:030
1347925994032,5cyclictest636-21in:imuxsock05:15:012
1347925994032,5cyclictest1717591-21spawn06:03:122
134792499401,34cyclictest1351912-21ntpq05:15:331
134792499393,32cyclictest1350341-21ntpq05:10:261
134792499392,33cyclictest2227095-21ntpq06:25:261
1347925993830,4cyclictest2210396-21kworker/u8:2-xprtiod06:25:012
1347925993830,4cyclictest2210396-21kworker/u8:2-xprtiod06:25:012
1347923993826,4cyclictest0-21swapper/005:25:290
134792499372,32cyclictest2229169-21sshd06:32:361
134792499371,33cyclictest1355787-21munin-run05:30:011
134792499371,31cyclictest1656970-21df05:55:181
1347923993629,4cyclictest2227582-21tail06:25:360
1347925993429,3cyclictest0-21swapper/205:57:092
1347925993427,4cyclictest1575332-21sendmail05:40:012
1347925993427,4cyclictest1575332-21sendmail05:40:012
1347925993425,6cyclictest563-21avahi-daemon06:15:132
1347925993425,6cyclictest563-21avahi-daemon06:15:132
1347923993427,5cyclictest1658011-21Run05:58:320
134792399342,28cyclictest1353155-21execl05:20:330
134792499331,29cyclictest1347937-21munin-run05:05:021
1347923993324,6cyclictest3606335-21systemd-logind06:20:010
1347923993324,6cyclictest3606335-21systemd-logind06:20:010
134792499321,27cyclictest1356111-21/usr/sbin/munin05:30:141
1347923993225,4cyclictest2226069-21unixbench_multi06:20:360
1347923993225,4cyclictest2226069-21unixbench_multi06:20:360
1347925993023,4cyclictest1355647-21unixbench_singl05:25:352
1347923993021,7cyclictest1352637-21sendmail05:20:010
1347925992921,5cyclictest3606335-21systemd-logind05:10:012
1347923992920,3cyclictest0-21swapper/006:35:010
1347923992917,2cyclictest0-21swapper/005:37:410
1347923992917,2cyclictest0-21swapper/005:37:410
1347925992822,3cyclictest0-21swapper/205:15:412
1347925992821,3cyclictest0-21swapper/206:25:242
1347925992820,5cyclictest2230695-21grep06:40:012
1347923992815,4cyclictest0-21swapper/005:35:020
1347925992518,5cyclictest1229321-21cupsd06:30:272
134792399253,14cyclictest563-21avahi-daemon05:05:300
1347923992517,6cyclictest2230035-21ntp_kernel_err06:35:220
134792699222,10cyclictest0-21swapper/305:55:273
1347925992216,3cyclictest0-21swapper/205:05:022
134792699203,10cyclictest0-21swapper/306:10:393
134792699203,10cyclictest0-21swapper/306:10:393
134792399201,9cyclictest1347946-21wc05:05:020
134792699191,10cyclictest0-21swapper/306:05:023
134792699182,9cyclictest0-21swapper/305:40:263
134792699174,6cyclictest0-21swapper/305:50:273
134792699172,8cyclictest0-21swapper/306:06:073
134792699162,6cyclictest0-21swapper/306:20:243
134792699162,6cyclictest0-21swapper/306:20:243
134792699161,6cyclictest0-21swapper/306:30:293
134792699161,6cyclictest0-21swapper/305:10:223
134792699153,7cyclictest0-21swapper/305:45:233
134792699153,7cyclictest0-21swapper/305:20:323
134792699153,6cyclictest0-21swapper/305:05:363
134792699152,5cyclictest0-21swapper/305:25:243
134792699141,7cyclictest0-21swapper/306:25:243
134792699141,7cyclictest0-21swapper/305:38:373
134792699141,7cyclictest0-21swapper/305:38:373
134792699133,5cyclictest0-21swapper/306:40:013
134792699131,5cyclictest0-21swapper/305:35:023
134792699122,6cyclictest0-21swapper/306:15:253
134792699122,6cyclictest0-21swapper/306:15:253
134792699121,7cyclictest0-21swapper/305:15:293
13479269971,3cyclictest0-21swapper/305:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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