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2026-03-01 - 07:34
[ 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 Sun Mar 01, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2354937991021,95cyclictest2426790-21cups-browsed00:00:010
23549379910190,9cyclictest2361793-21kworker/u8:0+flush-179:020:25:000
23549379910190,9cyclictest2361793-21kworker/u8:0+flush-179:020:25:000
2354937999884,11cyclictest266-21systemd-journal00:25:000
2354938999574,19cyclictest2392126-21kworker/u8:1+flush-179:022:30:001
2354937998579,4cyclictest2378519-21kworker/u8:3+flush-179:021:50:220
2354938998370,11cyclictest2361235-21apt-get19:55:001
2354937997973,4cyclictest2361209-21kworker/u8:1+events_unbound20:00:240
2354937997970,7cyclictest2394647-21latency_hist22:20:020
2354938997768,5cyclictest2361793-21kworker/u8:0+flush-179:020:20:001
2354938997764,11cyclictest2396241-21latency_hist22:25:011
2354937997769,6cyclictest2428380-21kworker/u8:3+flush-179:000:40:000
2354938997667,7cyclictest2417416-21/usr/sbin/munin23:30:231
2354937997669,5cyclictest2372141-21kworker/u8:0+flush-179:021:30:010
2354938997466,5cyclictest2345726-21kworker/u8:2+events_unbound19:20:001
2354937997468,4cyclictest2428380-21kworker/u8:3+events_unbound00:35:000
2354937997468,4cyclictest2420405-21kworker/u8:2+events_unbound00:04:010
2354937997267,3cyclictest2418765-21latency_hist23:35:010
2354937997262,7cyclictest2392126-21kworker/u8:1+flush-179:023:05:260
235493799720,68cyclictest1-21systemd23:30:010
2354937997065,4cyclictest2373931-21kworker/u8:2+events_unbound21:40:020
2354937997065,4cyclictest2373931-21kworker/u8:2+events_unbound21:40:010
2354937996960,6cyclictest2365604-21grep20:20:010
2354938996757,7cyclictest2376889-21latency_hist21:25:011
2354938996756,9cyclictest2426744-40mandb00:00:021
2354938996456,5cyclictest2345726-21kworker/u8:2+events_unbound19:40:001
2354937996450,12cyclictest266-21systemd-journal22:25:000
235493799640,1cyclictest0-21swapper/021:15:590
2354938996355,6cyclictest2406034-21latency_hist22:55:001
2354938996353,7cyclictest2361793-21kworker/u8:0+flush-179:020:10:001
2354937996357,5cyclictest2361793-21kworker/u8:0+flush-179:020:35:000
2354937996354,6cyclictest2407623-21latency_hist23:00:000
2354938996256,4cyclictest2397204-21kworker/u8:0+flush-179:022:40:001
2354937996253,6cyclictest2436339-21latency_hist00:30:010
2354938996153,5cyclictest2370218-21kworker/u8:0+flush-179:021:00:001
2354937996156,3cyclictest2372141-21kworker/u8:0+flush-179:021:10:110
2354937996155,4cyclictest2420405-21kworker/u8:2+flush-179:023:45:200
4577091600,13ptp4l441ktimers/319:10:013
2354938996050,8cyclictest2403120-21apt-get22:45:141
235493899602,40cyclictest1-21systemd22:14:311
2354937996053,5cyclictest2420405-21kworker/u8:2+events_unbound00:10:000
2354937996050,8cyclictest510-21rs:main0
2354938995952,5cyclictest714-21Xorg19:42:591
2354938995949,7cyclictest2366038-21kworker/u8:2+events_unbound20:40:011
2354937995852,4cyclictest2357287-21kworker/u8:0+flush-179:019:45:200
2354937995847,8cyclictest2413988-21latency_hist23:20:000
2354938995740,4cyclictest2425161-21kworker/u8:1+events_unbound00:10:251
2354937995751,4cyclictest2406012-21kworker/u8:2+flush-179:023:00:150
2354938995647,7cyclictest2406012-21kworker/u8:2+flush-179:023:05:011
2354938995539,14cyclictest2407625-21apt22:59:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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