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2026-02-07 - 13:18
[ 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 50 highest latencies:
System rackbslot7.osadl.org (updated Sat Feb 07, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
218519910229,33cyclictest13284-21runrttasks00:17:450
218519910229,33cyclictest13284-21runrttasks00:17:450
218559910164,8cyclictest181rcu_preempt23:54:001
206112979,58sleep020655-21if_eth019:03:060
206112979,58sleep020655-21if_eth019:03:060
21851999461,23cyclictest30519-21apt-get19:32:520
21864999260,8cyclictest181rcu_preempt23:33:132
186502920,12sleep20-21swapper/220:33:282
21855999171,7cyclictest181rcu_preempt00:01:231
21851999057,28cyclictest21836-21cyclictest22:28:130
21851999053,29cyclictest2887-21ssh21:17:520
21855998939,19cyclictest0-21swapper/121:48:141
21855998854,8cyclictest181rcu_preempt20:43:041
21855998854,8cyclictest181rcu_preempt20:43:041
21855998842,14cyclictest32725-21latency_hist22:07:391
21855998841,26cyclictest0-21swapper/122:58:161
21851998812,44cyclictest20572-21kworker/u17:0+rpciod21:42:230
21864998767,9cyclictest0-21swapper/219:12:402
21855998759,20cyclictest29358-21needreboot19:28:031
21855998759,20cyclictest29358-21needreboot19:28:031
21855998741,7cyclictest181rcu_preempt21:08:211
21855998741,7cyclictest181rcu_preempt21:08:211
21851998727,36cyclictest30496-21sh22:57:410
21864998649,10cyclictest181rcu_preempt22:40:202
21864998646,12cyclictest181rcu_preempt20:04:182
21864998619,30cyclictest39-21ksoftirqd/222:25:342
21864998619,30cyclictest39-21ksoftirqd/222:25:342
21855998659,8cyclictest181rcu_preempt21:56:221
21855998649,8cyclictest181rcu_preempt20:57:391
21851998655,24cyclictest1084-21apt-get23:57:510
216562866,63sleep10-21swapper/119:07:101
216562866,63sleep10-21swapper/119:07:101
21864998563,15cyclictest0-21swapper/223:53:002
21855998517,25cyclictest31-21ksoftirqd/123:47:531
21855998517,25cyclictest31-21ksoftirqd/123:47:531
21851998568,10cyclictest25722-21grep20:57:360
21851998514,24cyclictest1833-21ntp_states19:43:080
2186499848,62cyclictest1483-21ssh23:03:142
21864998452,7cyclictest181rcu_preempt21:58:102
2186499845,24cyclictest39-21ksoftirqd/222:04:352
21855998457,18cyclictest8856-21sh21:27:531
21855998450,7cyclictest181rcu_preempt22:37:381
21851998457,19cyclictest21556-21apt-get22:42:510
21851998426,29cyclictest7431-21taskset23:13:120
77992830,6sleep20-21swapper/221:25:382
21864998360,7cyclictest181rcu_preempt19:32:532
21864998360,13cyclictest0-21swapper/222:07:562
21855998362,12cyclictest0-21swapper/120:38:061
21855998362,12cyclictest0-21swapper/120:38:061
21855998348,9cyclictest181rcu_preempt21:01:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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