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2026-02-27 - 08:58
[ 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 rackdslot1.osadl.org (updated Fri Feb 27, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210882760,4sleep20-21swapper/223:45:152
134491750,4ptp4l2318-21gnome-shell23:36:591
22130997231,4cyclictest33-21ksoftirqd/220:05:182
2213199695,62cyclictest0-21swapper/321:25:273
22130996829,3cyclictest33-21ksoftirqd/219:55:002
22131996712,51cyclictest1003-21chrt20:41:073
22131996710,11cyclictest27906-21grep22:50:123
22130996732,7cyclictest33-21ksoftirqd/221:20:272
2213199668,12cyclictest22140-21sed22:35:283
2213199668,12cyclictest22140-21sed22:35:283
2213199664,18cyclictest0-21swapper/322:35:003
185172660,5sleep12212999cyclictest22:30:171
2213199658,12cyclictest29809-21tune2fs21:45:163
2213199657,11cyclictest14139-21cat00:40:003
22131996511,9cyclictest15184-21mailstats23:30:253
22130996529,6cyclictest33-21ksoftirqd/220:30:002
64012640,4sleep06406-21fschecks_time19:45:160
2213199648,11cyclictest4561-21sed19:40:193
2213199644,24cyclictest0-21swapper/322:55:243
22131996410,51cyclictest1301-21snmpd21:35:083
22130996421,3cyclictest33-21ksoftirqd/221:45:002
2213199637,11cyclictest22556-21fschecks_count19:10:153
2213199636,18cyclictest4146-21apt-get22:00:013
22130996332,7cyclictest33-21ksoftirqd/219:45:002
22130996330,3cyclictest33-21ksoftirqd/222:45:012
22130996325,4cyclictest33-21ksoftirqd/200:25:002
134491630,4ptp4l1492-21netstat00:10:231
134491630,4ptp4l1492-21netstat00:10:231
2213199629,11cyclictest4732-21irqrtprio20:50:193
2213199627,15cyclictest0-21swapper/321:10:143
2213199627,10cyclictest0-21swapper/300:05:193
2213199626,11cyclictest1154-21latency_hist19:35:003
22131996210,10cyclictest13497-21fschecks_count20:00:153
22130996229,4cyclictest33-21ksoftirqd/219:20:132
22130996221,13cyclictest33-21ksoftirqd/223:10:242
2213199619,7cyclictest7224-21df_inode23:15:143
2213199618,10cyclictest2453-21irqrtprio21:55:193
2213199617,11cyclictest3725-21sed23:05:243
2213199616,15cyclictest16856-21cat21:15:273
22131996112,12cyclictest13128-21taskset22:19:523
22131996110,17cyclictest20732-21sed20:15:183
22130996130,4cyclictest33-21ksoftirqd/222:45:192
22130996128,6cyclictest33-21ksoftirqd/223:22:472
2213199609,14cyclictest6550-21df_inode20:55:143
2213199609,12cyclictest627-21df_abs00:10:153
2213199609,12cyclictest627-21df_abs00:10:153
2213199606,11cyclictest26043-21irqrtprio22:45:183
2213199606,11cyclictest1530-21ls23:00:263
2213199606,10cyclictest5915-21cut00:20:193
22130996030,4cyclictest33-21ksoftirqd/223:05:212
22130996029,7cyclictest33-21ksoftirqd/222:35:012
22130996027,6cyclictest33-21ksoftirqd/220:55:152
2213199598,11cyclictest21938-21phc2sys23:45:243
2213199597,9cyclictest0-21swapper/323:10:133
2213199597,10cyclictest23104-21expr22:40:123
2213199594,19cyclictest0-21swapper/319:50:153
22130995929,5cyclictest33-21ksoftirqd/222:55:262
22130995928,3cyclictest33-21ksoftirqd/221:30:192
22130995928,3cyclictest33-21ksoftirqd/221:30:192
22130995926,5cyclictest33-21ksoftirqd/223:30:132
22128995925,2cyclictest9-21ksoftirqd/022:41:500
134491590,4ptp4l0-21swapper/222:17:152
134491590,4ptp4l0-21swapper/121:10:181
134491590,4ptp4l0-21swapper/119:35:231
2213199589,11cyclictest10888-21sed22:15:013
2213199588,11cyclictest12248-21cat21:05:253
2213199588,10cyclictest28628-21timerwakeupswit20:30:293
2213199585,9cyclictest2167-21irqrtprio19:35:173
2213199585,11cyclictest0-21swapper/320:25:153
22131995810,11cyclictest8686-21cpuspeed_turbos21:00:143
22130995828,6cyclictest33-21ksoftirqd/200:25:172
22130995827,4cyclictest33-21ksoftirqd/222:10:132
22130995825,6cyclictest33-21ksoftirqd/222:25:142
22130995825,6cyclictest33-21ksoftirqd/222:00:222
22130995820,5cyclictest33-21ksoftirqd/222:35:012
22130995820,5cyclictest33-21ksoftirqd/222:35:012
134491580,4ptp4l0-21swapper/323:54:493
134491580,4ptp4l0-21swapper/219:30:192
134491580,3ptp4l0-21swapper/323:22:043
2213199578,11cyclictest17783-21/usr/sbin/munin21:20:133
2213199578,10cyclictest30267-21latency20:35:203
2213199575,11cyclictest9563-21latency_hist00:30:003
2213199575,10cyclictest0-21swapper/300:30:303
22130995725,4cyclictest33-21ksoftirqd/222:05:222
22130995725,4cyclictest33-21ksoftirqd/219:35:232
22130995724,5cyclictest33-21ksoftirqd/200:20:002
22130995724,3cyclictest33-21ksoftirqd/223:35:172
22130995723,5cyclictest33-21ksoftirqd/222:50:132
22130995722,5cyclictest33-21ksoftirqd/220:35:002
22128995727,3cyclictest9-21ksoftirqd/022:34:070
22128995726,5cyclictest9-21ksoftirqd/022:20:000
134491570,3ptp4l0-21swapper/223:44:582
134491570,3ptp4l0-21swapper/223:17:172
134491570,3ptp4l0-21swapper/120:45:181
134491570,3ptp4l0-21swapper/120:45:181
134491570,3ptp4l0-21swapper/120:21:241
134491570,3ptp4l0-21swapper/120:07:081
134491570,3ptp4l0-21swapper/023:05:240
134491570,3ptp4l0-21swapper/021:10:190
2213199567,10cyclictest0-21swapper/320:10:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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