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2026-02-06 - 21:39
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 rackcslot8.osadl.org (updated Fri Feb 06, 2026 12:48:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186099552550,1cyclictest30115-21lspci11:44:336
191599491488,2cyclictest31501-21lspci11:44:3414
3273912680,260ptp4l0-21swapper/107:05:081
330891250242,6phc2sys0-21swapper/207:09:5012
18549917359,113cyclictest94-21ksoftirqd/1309:14:025
18549917359,113cyclictest94-21ksoftirqd/1309:14:025
19789916931,94cyclictest0-21swapper/2912:13:2222
19789916730,91cyclictest0-21swapper/2911:07:5422
18459915322,63cyclictest151rcu_preempt08:25:124
19789915030,69cyclictest0-21swapper/2912:00:3222
19789914841,74cyclictest0-21swapper/2911:30:0422
1931991471,85cyclictest0-21swapper/2307:50:1916
18929914532,75cyclictest0-21swapper/1809:35:1410
18929914532,75cyclictest0-21swapper/1809:35:1310
18549914418,24cyclictest151rcu_preempt12:10:365
19389914217,72cyclictest151rcu_preempt12:00:1417
19389914020,79cyclictest0-21swapper/2412:35:0117
1978991370,84cyclictest0-21swapper/2911:41:4922
193899137136,0cyclictest161-21ksoftirqd/2410:10:1217
19319913717,74cyclictest0-21swapper/2311:35:3416
1839991370,78cyclictest0-21swapper/1112:00:143
19389913617,74cyclictest151rcu_preempt12:35:0117
1845991369,107cyclictest151rcu_preempt11:14:204
1978991350,83cyclictest0-21swapper/2907:30:0622
19559913532,17cyclictest0-21swapper/2610:08:1519
1898991340,87cyclictest0-21swapper/1910:10:1411
317262133123,7sleep50-21swapper/507:05:2427
19789913349,57cyclictest0-21swapper/2909:23:2322
19789913349,57cyclictest0-21swapper/2909:23:2322
19319913316,63cyclictest1541rcuc/2308:35:1316
19319913316,63cyclictest1541rcuc/2308:35:1216
1938991320,75cyclictest0-21swapper/2409:45:0117
1915991310,86cyclictest0-21swapper/2111:36:2014
1915991310,80cyclictest0-21swapper/2108:45:1914
1915991310,80cyclictest0-21swapper/2108:45:1914
18399913164,66cyclictest9765-21taskset12:13:513
19789913048,52cyclictest0-21swapper/2907:53:0522
19789912949,52cyclictest0-21swapper/2909:18:0822
19789912949,52cyclictest0-21swapper/2909:18:0822
18929912928,74cyclictest0-21swapper/1811:33:0410
19789912847,59cyclictest0-21swapper/2908:00:0222
19789912844,64cyclictest0-21swapper/2911:18:1822
19789912841,57cyclictest0-21swapper/2912:29:5522
19789912838,62cyclictest0-21swapper/2911:39:0922
1915991280,87cyclictest0-21swapper/2112:15:0914
19319912714,62cyclictest1541rcuc/2308:45:2116
19319912714,62cyclictest1541rcuc/2308:45:2116
18929912734,61cyclictest0-21swapper/1811:42:1010
19789912653,61cyclictest0-21swapper/2911:49:1322
19789912639,54cyclictest0-21swapper/2910:10:2522
19789912638,59cyclictest0-21swapper/2911:56:4722
19789912635,59cyclictest0-21swapper/2908:54:4822
19789912635,59cyclictest0-21swapper/2908:54:4822
19789912628,67cyclictest0-21swapper/2910:37:0922
19789912628,65cyclictest0-21swapper/2907:49:0422
19789912627,65cyclictest0-21swapper/2911:53:0322
19789912626,65cyclictest0-21swapper/2910:09:5322
19789912626,61cyclictest0-21swapper/2910:58:0022
19789912625,60cyclictest0-21swapper/2909:54:5522
19559912628,47cyclictest0-21swapper/2609:41:3119
19559912624,62cyclictest0-21swapper/2610:20:3219
19389912652,72cyclictest0-21swapper/2408:45:1217
19389912652,72cyclictest0-21swapper/2408:45:1117
19319912620,85cyclictest0-21swapper/2310:25:1716
18929912624,62cyclictest0-21swapper/1811:25:3610
19789912551,59cyclictest0-21swapper/2911:13:2922
19789912537,59cyclictest0-21swapper/2909:49:3522
19789912529,69cyclictest0-21swapper/2912:06:5622
19789912528,69cyclictest0-21swapper/2910:22:1222
19789912527,65cyclictest0-21swapper/2912:23:3122
19789912527,64cyclictest0-21swapper/2910:49:2622
19789912526,64cyclictest0-21swapper/2911:26:2022
19789912525,65cyclictest0-21swapper/2911:20:1122
18929912544,57cyclictest0-21swapper/1812:09:5810
18929912530,64cyclictest0-21swapper/1810:50:1910
18929912528,69cyclictest0-21swapper/1812:39:2310
18929912525,59cyclictest0-21swapper/1808:18:3310
18929912524,63cyclictest0-21swapper/1810:56:4410
18929912522,56cyclictest0-21swapper/1812:10:3010
19789912431,75cyclictest0-21swapper/2908:09:0722
19789912430,62cyclictest0-21swapper/2911:01:1322
19789912430,62cyclictest0-21swapper/2910:15:1422
19789912428,67cyclictest0-21swapper/2910:32:2122
19789912427,65cyclictest0-21swapper/2912:36:2022
19789912427,64cyclictest0-21swapper/2910:42:2922
19789912426,72cyclictest0-21swapper/2907:15:0922
1915991240,85cyclictest0-21swapper/2112:20:1114
18929912448,54cyclictest0-21swapper/1810:28:5710
18929912435,57cyclictest0-21swapper/1812:31:2110
18929912430,58cyclictest0-21swapper/1810:00:0610
18929912428,59cyclictest0-21swapper/1811:02:0510
18929912424,62cyclictest0-21swapper/1808:14:4910
19789912329,73cyclictest0-21swapper/2909:36:4522
19789912329,73cyclictest0-21swapper/2909:36:4522
19789912328,63cyclictest0-21swapper/2909:40:2922
19789912325,64cyclictest0-21swapper/2910:04:3322
19559912321,66cyclictest0-21swapper/2608:50:1219
19559912321,66cyclictest0-21swapper/2608:50:1219
18929912328,63cyclictest0-21swapper/1811:52:2010
18929912327,65cyclictest0-21swapper/1812:28:0810
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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