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2026-02-08 - 09:33
[ 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 100 highest latencies:
System rackdslot3.osadl.org (updated Sun Feb 08, 2026 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308302204169,23sleep20-21swapper/219:06:552
310152203170,22sleep10-21swapper/119:09:181
308312203171,22sleep30-21swapper/319:06:553
307632196163,22sleep00-21swapper/019:06:090
2283621470,4sleep23136199cyclictest23:20:152
139391830,1ptp4l25039-21df21:10:143
3136099679,11cyclictest16081-21latency_hist22:00:011
3136099669,12cyclictest12016-21grep22:55:261
3136099669,12cyclictest10616-21tr20:40:131
3136099647,10cyclictest12164-21df00:05:141
46042630,6sleep13136099cyclictest22:40:231
63632620,2sleep30-21swapper/319:25:133
3136099629,17cyclictest28373-21df_abs20:10:141
3136099627,12cyclictest16563-21latency_hist00:15:011
3136099618,12cyclictest8726-21sed22:50:181
3136099618,10cyclictest17591-21/usr/sbin/munin20:55:221
31360996110,11cyclictest16015-21apt-config19:45:011
3136099608,12cyclictest23327-21egrep20:00:121
3136099608,11cyclictest9959-21sed21:45:191
3136099608,11cyclictest21762-21cut19:55:181
3136099608,10cyclictest15989-21cut20:50:181
3136099607,11cyclictest22474-21latency00:25:201
3136099607,11cyclictest17936-21awk22:00:271
31359996056,2cyclictest9-21ksoftirqd/000:10:000
3136099598,17cyclictest4975-21df_abs23:50:121
3136099597,9cyclictest27374-21latency_hist23:30:011
3136099597,11cyclictest305-21date22:35:001
3136099597,11cyclictest24549-21latency_hist21:10:001
3136099597,11cyclictest19145-21cpu00:20:121
3136099597,10cyclictest3253-21cat20:25:141
3136099596,11cyclictest7189-21kernelversion19:25:181
139391590,1ptp4l401ktimersoftd/319:15:213
3136099588,9cyclictest2518-21gnome-shell23:14:591
3136099588,16cyclictest15724-21latency_hist19:45:011
3136099587,11cyclictest32552-21df_abs23:40:141
3136099587,11cyclictest31090-21fschecks_count20:15:151
3136099587,11cyclictest26385-21timerwakeupswit21:10:261
31359995826,4cyclictest9-21ksoftirqd/000:20:260
287752580,4sleep00-21swapper/020:10:190
3136099578,11cyclictest15088-21sed20:50:001
3136099578,10cyclictest3722-21sed19:20:001
3136099578,10cyclictest25319-21sed00:30:251
3136099577,11cyclictest27338-21date22:20:251
3136099577,11cyclictest17817-21sed19:45:261
3136099577,11cyclictest17817-21sed19:45:261
3136099577,10cyclictest29592-21cat23:34:591
31359995717,6cyclictest9-21ksoftirqd/023:34:590
157342570,5sleep23136199cyclictest20:50:152
3136099568,18cyclictest22219-21cut21:05:001
3136099567,17cyclictest32095-21sed23:40:001
3136099567,15cyclictest4373-21cpu21:35:111
3136099567,12cyclictest8986-21sed19:30:151
3136099558,17cyclictest26608-21df_abs00:35:141
3136099557,16cyclictest2593-21df_abs23:45:131
139391550,1ptp4l401ktimersoftd/322:14:023
3136099548,17cyclictest16197-21expr23:05:211
3136099547,16cyclictest21191-21cstates22:10:111
3136099538,9cyclictest23819-21tune2fs22:15:161
3136099538,9cyclictest23819-21tune2fs22:15:161
3136099538,8cyclictest8399-21sendmail_mailtr23:55:231
3136099537,9cyclictest3475-21ls21:30:241
3136099537,18cyclictest9633-21expr00:00:141
3136099528,17cyclictest27425-21awk20:05:281
3136099517,17cyclictest20262-21timerwakeupswit22:05:251
3136099507,8cyclictest1614-21missed_timers22:35:221
3136099497,11cyclictest5719-21cstates20:30:151
3136099496,11cyclictest0-21swapper/119:35:221
3136099487,13cyclictest23106-21iostat_ios23:20:181
31362994740,4cyclictest25441-21cron20:05:003
3136099475,10cyclictest0-21swapper/122:25:111
31359994718,4cyclictest9-21ksoftirqd/022:55:000
31359994717,5cyclictest9-21ksoftirqd/019:25:150
31362994641,3cyclictest10120-21idleruntime-cro22:55:003
31359994614,5cyclictest9-21ksoftirqd/021:35:010
3135999461,3cyclictest121rcu_preempt22:15:240
3135999461,3cyclictest121rcu_preempt22:15:240
31359994613,4cyclictest9-21ksoftirqd/019:10:190
3135999459,6cyclictest9-21ksoftirqd/021:40:130
31359994514,5cyclictest9-21ksoftirqd/020:55:250
31359994511,4cyclictest9-21ksoftirqd/000:35:190
31359994510,4cyclictest9-21ksoftirqd/019:45:170
31359994510,4cyclictest9-21ksoftirqd/019:45:170
139391450,1ptp4l29284-21taskset23:31:493
3136099447,7cyclictest1264-21if_enp1s020:20:171
3136099446,9cyclictest6834-21ps22:45:241
3136099446,9cyclictest6834-21ps22:45:241
31359994428,5cyclictest9-21ksoftirqd/021:09:590
3135999442,2cyclictest121rcu_preempt19:20:240
31359994417,4cyclictest9-21ksoftirqd/000:30:240
31359994414,5cyclictest9-21ksoftirqd/000:10:220
31359994412,5cyclictest9-21ksoftirqd/022:00:130
31359994412,5cyclictest9-21ksoftirqd/021:10:250
31359994410,4cyclictest9-21ksoftirqd/000:15:120
31359994410,4cyclictest9-21ksoftirqd/000:15:120
3135999431,2cyclictest121rcu_preempt23:40:230
31359994312,5cyclictest9-21ksoftirqd/000:25:190
31359994310,5cyclictest9-21ksoftirqd/023:40:010
3135999430,2cyclictest121rcu_preempt22:20:260
139391430,0ptp4l401ktimersoftd/322:47:573
139391430,0ptp4l401ktimersoftd/322:47:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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