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2026-02-26 - 14:53
[ 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
Characteristics of the 50 highest latencies:
System rackdslot3.osadl.org (updated Thu Feb 26, 2026 00:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62382209176,22sleep30-21swapper/319:07:193
63952205172,22sleep10-21swapper/119:09:221
62692203170,22sleep20-21swapper/219:07:412
62722201167,23sleep00-21swapper/019:07:430
2152221300,2sleep30-21swapper/300:06:053
139391700,1ptp4l27965-21irqstats00:20:183
673999679,17cyclictest0-21swapper/019:50:230
673999679,17cyclictest0-21swapper/019:50:220
673999597,11cyclictest22714-21fschecks_count00:10:130
673999587,16cyclictest21299-21/usr/sbin/munin19:40:200
673999577,10cyclictest10108-21timerwakeupswit22:35:250
673999576,18cyclictest1008-21ls00:30:250
8252550,2sleep30-21swapper/323:25:163
674299550,16cyclictest1300-21snmpd23:30:203
674299550,12cyclictest19186-21latency_hist21:50:003
674299540,17cyclictest0-21swapper/320:40:163
673999546,17cyclictest2778-21apt-get23:30:120
673999546,17cyclictest12349-21apt-get23:50:090
674299531,18cyclictest0-21swapper/320:20:183
673999536,16cyclictest29419-21apt-get00:25:120
674299521,9cyclictest0-21swapper/321:50:233
674299521,9cyclictest0-21swapper/321:50:233
674299520,17cyclictest6265-21strings23:35:193
674299520,17cyclictest6265-21strings23:35:193
674299520,15cyclictest181-21jbd2/mmcblk1p1-21:30:063
674299520,11cyclictest5408-21unixbench_multi22:25:263
674299520,10cyclictest26614-21grep20:55:253
673999526,8cyclictest21664-21ls23:00:200
139391520,1ptp4l391rcuc/319:53:203
139391520,1ptp4l391rcuc/319:53:193
674299510,9cyclictest8861-21df_abs22:35:143
674299510,9cyclictest23438-21fschecks_count23:05:153
673999517,13cyclictest13021-21apt-get20:30:130
673999516,7cyclictest31866-21ls23:20:240
673999515,7cyclictest23837-21ls20:50:200
674299501,18cyclictest16319-21/usr/sbin/munin19:30:113
674299500,9cyclictest1233-21phc2sys21:10:233
674299500,10cyclictest26037-21mailstats00:15:243
674299500,10cyclictest26037-21mailstats00:15:243
673999506,8cyclictest26213-21ls20:55:220
673999506,7cyclictest7271-21apt-get21:25:120
673999506,7cyclictest23683-21apt-get19:45:110
673999506,6cyclictest4889-21apt-get21:20:100
673999506,6cyclictest4889-21apt-get21:20:090
674299491,16cyclictest15722-21latency23:55:213
674299491,10cyclictest12006-21missed_timers22:40:203
674299490,9cyclictest1300-21snmpd21:29:303
674299490,18cyclictest0-21swapper/322:00:233
674299490,11cyclictest22372-21awk23:00:283
674299490,11cyclictest13887-21if_enp4s022:45:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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