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2026-02-18 - 17:57
[ 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 Wed Feb 18, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2346743999487,5cyclictest2359503-21kworker/u8:1+events_unbound08:00:011
2346743999483,8cyclictest2388685-21latency_hist09:20:011
2346743999275,15cyclictest2342194-21kworker/u8:3+flush-179:008:20:011
2346743999275,15cyclictest2342194-21kworker/u8:3+flush-179:008:20:011
2346743998881,5cyclictest2375971-21kworker/u8:0+events_unbound08:45:031
2346743998783,3cyclictest2398292-21kworker/u8:2+flush-179:010:05:241
2346743998774,8cyclictest266-21systemd-journal11:40:001
2346742998778,7cyclictest2449716-21latency_hist12:30:020
2346743998581,3cyclictest2375971-21kworker/u8:0+events_unbound08:50:241
2346742998571,11cyclictest266-21systemd-journal09:25:000
2346743998277,3cyclictest2409376-21kworker/u8:1+events_unbound10:35:161
2346743998276,4cyclictest2441481-21kworker/u8:1+flush-179:012:15:211
2346742998273,7cyclictest2412574-21latency_hist10:35:000
2346743998075,4cyclictest2342194-21kworker/u8:3+events_unbound07:20:251
2346743998070,8cyclictest2417850-21/usr/sbin/munin10:50:231
2346742997868,7cyclictest2390271-21kworker/u8:2+flush-179:009:35:010
2346743997772,4cyclictest2438282-21kworker/u8:0+flush-179:011:54:551
2346742997769,5cyclictest2412553-21kworker/u8:2+flush-179:010:45:170
2346743997562,4cyclictest2342194-21kworker/u8:3+events_unbound07:30:191
2346743997470,3cyclictest2372499-21kworker/u8:2+events_unbound08:30:241
2346743997368,4cyclictest2407704-21kworker/u8:3+events_unbound11:05:221
2346742997365,5cyclictest2354898-21kworker/u8:2+events_unbound07:40:240
2346743997264,5cyclictest2435133-21latency_hist11:45:021
2346743997167,3cyclictest2446240-21kworker/u8:2+events_unbound12:30:131
2346743997167,3cyclictest2446240-21kworker/u8:2+events_unbound12:30:121
2346743997167,3cyclictest2441481-21kworker/u8:1+events_unbound12:05:221
2346743997158,11cyclictest2425555-21kworker/u8:1+flush-179:011:20:001
2346742997164,4cyclictest2385545-21kworker/u8:3+flush-179:009:50:000
2346742997163,6cyclictest2356270-21latency_hist07:40:010
2346743997066,3cyclictest2440960-21kworker/u8:0+events_unbound12:10:221
2346743997065,4cyclictest2407704-21kworker/u8:3+flush-179:010:24:561
2346743997057,10cyclictest2355206-21diskstats07:35:131
2346743996964,4cyclictest2354898-21kworker/u8:2+events_unbound07:40:201
2346742996961,6cyclictest2374052-21apt-get08:31:560
2346742996859,6cyclictest2342194-21kworker/u8:3+flush-179:008:00:250
234674799670,65cyclictest0-21swapper/210:20:002
2346742996761,4cyclictest2441481-21kworker/u8:1+flush-179:012:10:010
2346742996756,8cyclictest2377306-21apt-get08:45:000
2346742996756,8cyclictest2377306-21apt-get08:45:000
2346743996662,3cyclictest2409376-21kworker/u8:1+events_unbound10:25:181
2346743996661,4cyclictest2385545-21kworker/u8:3+events_unbound09:10:251
2346743996657,3cyclictest2357857-21kworker/u8:0+events_unbound07:45:181
2346742996656,8cyclictest2397212-21kworker/u8:1+events_unbound09:55:010
2346743996560,4cyclictest2375971-21kworker/u8:0+flush-179:008:40:151
2346743996560,4cyclictest2375971-21kworker/u8:0+flush-179:008:40:141
2346743996558,6cyclictest2412553-21kworker/u8:2+flush-179:011:04:541
2346743996460,3cyclictest2397212-21kworker/u8:1+flush-179:009:45:191
2346743996459,4cyclictest2342194-21kworker/u8:3+flush-179:008:05:251
2346742996359,3cyclictest2346698-21kworker/u8:1+flush-179:007:30:260
2346742996353,7cyclictest2395068-21latency_hist09:40:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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