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2026-02-14 - 12:59
[ 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 rackeslot6.osadl.org (updated Sat Feb 14, 2026 00:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2303762999688,5cyclictest2370964-21kworker/u8:3+events_unbound22:50:011
2303762999687,7cyclictest2368076-21apt-get22:30:031
2303762999078,9cyclictest2394553-21latency_hist23:50:011
2303762998664,20cyclictest2391625-21/usr/sbin/munin23:40:221
2303758998680,4cyclictest2351612-21kworker/u8:0+flush-179:022:05:000
2303762998574,8cyclictest2314761-21kworker/u8:0+flush-179:020:15:001
2303758998477,5cyclictest2354794-21kworker/u8:2+flush-179:021:55:020
2303758998377,4cyclictest2366223-21kworker/u8:0+events_unbound22:30:010
2303758998376,5cyclictest2366223-21kworker/u8:0+events_unbound22:40:000
2303758998172,7cyclictest2305467-21/usr/sbin/munin19:15:240
2303758997973,5cyclictest2314761-21kworker/u8:0+flush-179:020:35:000
2303758997973,5cyclictest2314761-21kworker/u8:0+flush-179:020:34:590
2303758997869,7cyclictest2314786-21latency_hist19:45:010
2303758997869,7cyclictest2314786-21latency_hist19:45:000
2303762997768,7cyclictest2387687-21apt-get23:30:001
2303762997768,6cyclictest2326180-21latency_hist20:20:011
2303758997671,4cyclictest2363061-21kworker/u8:1+flush-179:022:34:560
2303758997671,4cyclictest2322079-21kworker/u8:1+events_unbound20:10:220
2303758997667,7cyclictest2350038-21latency_hist21:35:010
2303758997569,4cyclictest2335147-21kworker/u8:1+flush-179:020:55:150
2303758997568,5cyclictest2335748-21kworker/u8:2+flush-179:021:10:230
2303758997469,4cyclictest2303656-21kworker/u8:3+events_unbound19:30:240
2303758997464,7cyclictest2322991-21latency_hist20:10:010
2303758997464,7cyclictest2322991-21latency_hist20:10:000
2303762997363,7cyclictest2353232-21latency_hist21:45:011
2303762997347,8cyclictest2384741-21/usr/sbin/munin23:20:221
2303762997347,8cyclictest2384741-21/usr/sbin/munin23:20:221
2303758997363,8cyclictest2320077-21apt-get20:00:120
2303762997266,4cyclictest2366223-21kworker/u8:0+events_unbound22:25:011
2303762997263,7cyclictest2379465-21latency_hist23:05:001
2303758997261,8cyclictest3816869-21cups-browsed00:00:010
2303758997261,8cyclictest3816869-21cups-browsed00:00:000
2303758997158,11cyclictest2387672-21latency_hist23:30:010
2303758997063,5cyclictest2335748-21kworker/u8:2+flush-179:020:50:220
2303762996958,8cyclictest2361440-21latency_hist22:10:011
2303758996960,6cyclictest2405804-21kworker/u8:3+flush-179:000:35:210
2303758996860,7cyclictest2342120-21kworker/u8:3+flush-179:021:25:010
2303758996860,7cyclictest2342120-21kworker/u8:3+flush-179:021:25:000
2303762996760,5cyclictest2376315-21kworker/u8:2+events_unbound23:35:021
2303762996660,4cyclictest2402803-21kworker/u8:2+flush-179:000:20:171
2303758996661,4cyclictest2351612-21kworker/u8:0+events_unbound21:45:220
2303758996661,4cyclictest2351612-21kworker/u8:0+events_unbound21:45:220
2303762996563,1cyclictest0-21swapper/119:41:591
2303762996563,1cyclictest0-21swapper/119:41:591
2303762996458,4cyclictest2330932-21kworker/u8:3+flush-179:020:45:211
2303762996456,5cyclictest2384524-21kworker/u8:1+events_unbound23:30:011
2303758996456,6cyclictest2314761-21kworker/u8:0+flush-179:019:55:180
2303758996357,4cyclictest2291021-21kworker/u8:1+flush-179:019:20:140
2303758996356,6cyclictest2354794-21kworker/u8:2+events_unbound22:15:000
2303762996257,3cyclictest2388170-21kworker/u8:0+flush-179:000:00:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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