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2026-02-06 - 23:35
[ 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 rack0slot2.osadl.org (updated Fri Feb 06, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5581892950,0sleep40-21swapper/411:01:134
43047995048,2cyclictest709375-21kworker/u16:2+events_unbound12:16:436
43047995048,2cyclictest709375-21kworker/u16:2+events_unbound12:16:436
3355424938,7sleep40-21swapper/407:01:214
43047994846,2cyclictest630843-21kworker/u16:3+events_unbound11:36:396
43047994846,2cyclictest338625-21kworker/u16:3+events_unbound10:26:426
43038994745,2cyclictest424799-21kworker/u16:0+events_unbound10:25:124
43047994644,2cyclictest751431-21kworker/u16:0+flush-8:012:31:436
43047994644,2cyclictest655139-21kworker/u16:0+events_unbound11:41:466
4250524611,30sleep70-21swapper/707:02:297
43047994543,2cyclictest424799-21kworker/u16:0+flush-8:011:11:416
4304999440,42cyclictest650-21systemd-journal12:10:267
43042994442,2cyclictest509662-21kworker/u16:1+events_unbound11:41:135
43049994135,5cyclictest66110-21latency_hist07:16:157
7685472400,0sleep50-21swapper/512:31:315
43047994038,2cyclictest509662-21kworker/u16:1+events_unbound10:46:416
43042994038,2cyclictest717885-21kworker/u16:5+events_unbound12:26:455
43047993937,2cyclictest667101-21kworker/u16:4+events_unbound11:54:076
43047993937,2cyclictest424799-21kworker/u16:0+events_unbound10:41:276
43047993937,2cyclictest338625-21kworker/u16:3+events_unbound10:01:356
43042993937,2cyclictest192319-21kworker/u16:0+flush-8:008:36:145
4263123929,7sleep50-21swapper/507:04:195
43042993835,2cyclictest655139-21kworker/u16:0+flush-8:011:41:285
4247323827,8sleep60-21swapper/607:02:046
43042993735,2cyclictest339960-21kworker/u16:4+events_unbound10:31:485
43042993735,2cyclictest192319-21kworker/u16:0+flush-8:008:31:145
43042993733,3cyclictest339960-21kworker/u16:4+flush-8:010:21:135
43047993634,2cyclictest709375-21kworker/u16:2+events_unbound12:29:066
43047993533,2cyclictest667101-21kworker/u16:4+events_unbound11:57:546
43047993533,2cyclictest424799-21kworker/u16:0+events_unbound10:52:436
43047993533,2cyclictest301151-21kworker/u16:2+events_unbound09:19:306
43049993432,1cyclictest700861-21ssh11:56:567
43047993432,2cyclictest751431-21kworker/u16:0+events_unbound12:22:156
43047993432,2cyclictest618715-21kworker/u16:0+events_unbound11:28:056
43047993432,2cyclictest339960-21kworker/u16:4+events_unbound11:05:316
43047993432,2cyclictest338625-21kworker/u16:3+events_unbound10:24:316
43047993432,2cyclictest152632-21kworker/u16:5+events_unbound08:29:346
43042993432,2cyclictest339960-21kworker/u16:4+events_unbound10:01:415
43049993332,0cyclictest0-21swapper/709:41:317
43047993331,2cyclictest424799-21kworker/u16:0+flush-8:011:06:346
43047993331,2cyclictest424799-21kworker/u16:0+events_unbound10:35:026
43047993331,2cyclictest338625-21kworker/u16:3+events_unbound09:32:306
43042993331,2cyclictest630843-21kworker/u16:3+flush-8:011:56:445
43042993331,2cyclictest424799-21kworker/u16:0+events_unbound11:11:445
43042993331,2cyclictest338625-21kworker/u16:3+events_unbound10:36:325
43038993331,2cyclictest717548-21kworker/u16:0+flush-8:012:10:184
43049993227,4cyclictest400540-21latency_hist09:56:147
43047993230,2cyclictest594501-21kworker/u16:2+events_unbound11:33:066
43047993230,2cyclictest594501-21kworker/u16:2+events_unbound11:20:056
43047993230,2cyclictest509662-21kworker/u16:1+events_unbound11:49:516
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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