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2026-01-15 - 05:52
[ 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 Thu Jan 15, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22286339910291,9cyclictest2288244-21latency_hist22:15:000
22286369910191,8cyclictest2296205-21latency_hist22:40:011
2228633999860,25cyclictest2248427-21/usr/sbin/munin20:10:250
2228636999383,8cyclictest2293027-21latency_hist22:30:011
2228633998778,7cyclictest2228538-21latency_hist19:10:020
2228636998463,19cyclictest2321989-40mandb00:00:001
2228633998475,7cyclictest2268879-21latency_hist21:15:010
2228633998273,7cyclictest2280291-21latency_hist21:50:010
2228633998273,6cyclictest2234931-21latency_hist19:30:000
2228633998071,7cyclictest2244745-21latency_hist20:00:010
2228636997665,8cyclictest2256145-21latency_hist20:35:001
2228636997465,7cyclictest2267292-21latency_hist21:10:011
2228633997465,7cyclictest2302598-21latency_hist23:00:020
2228633997465,7cyclictest2302598-21latency_hist23:00:020
2228636997351,20cyclictest2285327-21apt-get22:05:091
2228633997363,8cyclictest2228802-21/usr/sbin/munin19:10:230
2228636997264,6cyclictest2313982-21latency_hist23:35:001
2228636997163,6cyclictest2262511-21latency_hist20:55:011
2228636997163,6cyclictest2262511-21latency_hist20:55:011
2228636997163,6cyclictest2249773-21latency_hist20:15:001
2228633997160,8cyclictest2333919-21latency_hist00:35:000
2228636997061,7cyclictest2291441-21latency_hist22:25:011
2228636996959,7cyclictest2294617-21latency_hist22:35:011
2228636996858,8cyclictest266-21systemd-journal00:20:011
2228633996755,10cyclictest3706593-21cups-browsed00:00:000
2228633996557,6cyclictest2260924-21latency_hist20:50:010
2228633996457,4cyclictest2305798-21kworker/u8:2+events_unbound23:25:200
2228633996456,5cyclictest2314220-21/usr/sbin/munin23:35:220
2228633996355,6cyclictest2330488-21latency_hist00:25:010
2228636996154,5cyclictest2281876-21latency_hist21:55:011
2228636996052,6cyclictest2323603-21latency_hist00:05:021
2228636996051,7cyclictest2251367-21latency_hist20:20:011
2228633996049,8cyclictest2312431-21kworker/u8:3+flush-179:023:40:200
2228636995950,7cyclictest2257719-21kworker/u8:0+flush-179:021:35:011
2228633995952,5cyclictest2283490-21latency_hist22:00:010
2228633995851,5cyclictest2289848-21latency_hist22:20:010
2228640995754,2cyclictest0-21swapper/222:24:592
2228633995751,4cyclictest2246861-21apt-get20:05:120
2228633995650,4cyclictest2250817-21kworker/u8:0+flush-179:020:25:130
2228633995647,5cyclictest2257719-21kworker/u8:0+flush-179:022:20:130
2228633995645,9cyclictest2332073-21latency_hist00:30:020
2228636995546,7cyclictest2273920-21latency_hist21:30:011
2228633995549,4cyclictest2279505-21kworker/u8:1+flush-179:021:55:000
2228633995546,7cyclictest2325438-21kworker/u8:0+flush-179:000:10:010
2228633995543,10cyclictest2241309-21apt-get19:49:590
2228633995444,8cyclictest2275764-21apt-get21:35:100
2228636995345,6cyclictest2257719-21kworker/u8:0+flush-179:022:00:001
2228633995347,4cyclictest2325438-21kworker/u8:0+flush-179:000:35:230
2228633995342,9cyclictest2236780-21apt-get19:35:100
2228636995249,2cyclictest0-21swapper/121:14:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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