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2026-02-21 - 02:28
[ 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 rackfslot7.osadl.org (updated Fri Feb 20, 2026 12:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1547972999234,39cyclictest413-21systemd-journal08:12:204
1547972998527,39cyclictest1699795-21awk11:45:134
1547972998223,19cyclictest191rcu_preempt10:35:114
1547972997416,39cyclictest1597458-21chrt08:39:164
1547972997416,39cyclictest1597458-21chrt08:39:154
1547972997031,19cyclictest0-21swapper/411:22:324
1547972997011,39cyclictest1713463-21cat12:10:004
1547972996930,21cyclictest0-21swapper/410:56:284
1547972996930,19cyclictest6050ktimers/411:54:524
1547972996930,19cyclictest6050ktimers/411:29:294
1547972996930,19cyclictest601ktimers/411:41:004
1547972996929,40cyclictest0-21swapper/412:21:094
1547972996929,21cyclictest0-21swapper/407:58:174
1547972996830,18cyclictest0-21swapper/407:23:304
1547972996829,19cyclictest0-21swapper/412:18:524
1547972996829,19cyclictest0-21swapper/410:01:224
1547972996526,39cyclictest0-21swapper/409:30:124
1547972996446,18cyclictest0-21swapper/410:50:194
1547972996345,0cyclictest0-21swapper/409:00:234
1547972996324,39cyclictest1585073-21if_eno308:15:154
1547972996324,39cyclictest1585073-21if_eno308:15:154
1547972995920,39cyclictest0-21swapper/410:31:344
1547972995920,38cyclictest1646803-21sh10:10:014
1547972995819,39cyclictest601ktimers/410:12:534
154797299580,39cyclictest1707769-21latency_hist12:00:014
154797299580,39cyclictest1619836-21kworker/u32:1+events_unbound09:45:354
154797299580,39cyclictest1553224-21chrt07:18:594
1547972995719,18cyclictest0-21swapper/411:04:434
1547972995638,18cyclictest61-21ksoftirqd/408:29:124
1547972995537,18cyclictest61-21ksoftirqd/408:42:474
1547972995520,17cyclictest1229872-21kworker/u32:4+events_unbound07:10:034
1547972995436,0cyclictest0-21swapper/409:42:044
1547972995419,35cyclictest0-21swapper/407:41:364
1547972995419,16cyclictest0-21swapper/409:27:114
1547972995419,15cyclictest0-21swapper/412:32:464
1547972995419,15cyclictest0-21swapper/412:29:104
1547972995419,15cyclictest0-21swapper/412:10:504
1547972995419,15cyclictest0-21swapper/408:06:074
1547972995415,39cyclictest0-21swapper/410:46:144
1547975995314,39cyclictest0-21swapper/709:40:167
1547972995319,34cyclictest0-21swapper/408:47:564
1547972995319,15cyclictest0-21swapper/410:22:304
1547972995319,15cyclictest0-21swapper/407:46:514
1547972995319,15cyclictest0-21swapper/407:37:114
1547972995319,15cyclictest0-21swapper/407:31:564
1547972995314,39cyclictest0-21swapper/407:13:074
1547972995314,19cyclictest0-21swapper/408:03:044
1547972995313,19cyclictest0-21swapper/410:18:574
1547972995233,19cyclictest0-21swapper/409:39:014
1547972995233,19cyclictest0-21swapper/408:21:164
1547972995233,19cyclictest0-21swapper/408:21:154
1547972995233,19cyclictest0-21swapper/407:28:274
1547972995213,39cyclictest0-21swapper/412:02:024
1547972995213,39cyclictest0-21swapper/408:32:514
1547972995211,39cyclictest6050ktimers/409:57:334
1547973995113,19cyclictest0-21swapper/512:30:155
1547972995130,0cyclictest0-21swapper/411:31:284
1547972995113,19cyclictest0-21swapper/410:28:294
1547972995112,19cyclictest0-21swapper/409:13:134
1547971995112,20cyclictest0-21swapper/311:50:173
1547968995113,19cyclictest0-21swapper/008:40:160
1547972995032,18cyclictest0-21swapper/412:35:114
1547972995011,39cyclictest0-21swapper/409:21:354
1547971995012,38cyclictest0-21swapper/307:25:163
1547971995012,19cyclictest0-21swapper/309:05:153
1547968995012,19cyclictest0-21swapper/010:00:160
1547968995010,39cyclictest0-21swapper/008:45:150
1547975994931,18cyclictest0-21swapper/710:10:157
154797299499,19cyclictest0-21swapper/411:37:174
1547972994930,19cyclictest1681592-21ntpq11:10:194
1547972994910,39cyclictest0-21swapper/409:52:204
1547971994931,18cyclictest0-21swapper/309:00:163
1547969994910,39cyclictest0-21swapper/107:15:151
154797499479,19cyclictest0-21swapper/610:50:166
1547972994729,18cyclictest0-21swapper/410:40:504
1547972994728,19cyclictest0-21swapper/407:53:124
154797199479,19cyclictest0-21swapper/307:35:143
154796999477,40cyclictest34-21ksoftirqd/108:55:161
1547968994728,19cyclictest0-21swapper/009:30:160
154797299466,39cyclictest0-21swapper/409:06:224
1547972994628,18cyclictest362-21jbd2/sda2-811:07:544
154797199468,19cyclictest0-21swapper/310:05:163
154796899468,19cyclictest0-21swapper/012:20:140
154797599457,19cyclictest0-21swapper/708:30:157
154797299456,38cyclictest776-21dbus-daemon11:15:164
154796999456,39cyclictest0-21swapper/110:00:171
1547968994526,19cyclictest0-21swapper/012:15:150
154797499446,19cyclictest0-21swapper/611:35:146
1547972994425,19cyclictest0-21swapper/408:56:124
154797599434,39cyclictest0-21swapper/710:35:137
154797299434,39cyclictest0-21swapper/408:50:374
1547972994324,19cyclictest0-21swapper/409:18:314
154797599424,38cyclictest0-21swapper/707:25:167
1547968994223,18cyclictest0-21swapper/008:10:170
154797599413,19cyclictest0-21swapper/707:15:157
154797499400,39cyclictest0-21swapper/610:30:186
1547971994040,0cyclictest0-21swapper/309:42:033
154797099402,38cyclictest0-21swapper/211:35:142
154796899402,19cyclictest0-21swapper/009:55:150
154797599390,19cyclictest0-21swapper/712:20:157
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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