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2026-01-15 - 10:08
[ 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 Thu Jan 15, 2026 00:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1571521750,5sleep12294999cyclictest22:20:171
297802640,5sleep00-21swapper/000:00:170
134491640,4ptp4l0-21swapper/300:15:153
2295099631,16cyclictest0-21swapper/223:30:002
2295099624,15cyclictest212-21systemd-journal22:44:372
2295099624,15cyclictest212-21systemd-journal21:34:222
134491620,5ptp4l25-21ksoftirqd/123:30:161
134491610,3ptp4l0-21swapper/123:15:171
2295099608,9cyclictest8819-21latency_hist00:25:002
2295099603,15cyclictest212-21systemd-journal21:29:222
2294899603,11cyclictest5790-21grep00:15:280
134491590,5ptp4l0-21swapper/119:09:111
2295099586,9cyclictest11563-21grep23:20:222
2295099586,10cyclictest25715-21grep20:25:152
134491580,3ptp4l0-21swapper/021:45:150
2295099572,13cyclictest0-21swapper/220:30:262
134491570,4ptp4l0-21swapper/023:20:270
134491570,3ptp4l0-21swapper/100:13:471
2295099564,15cyclictest212-21systemd-journal22:04:332
2295099562,15cyclictest443-21rs:main2
2294899566,7cyclictest0-21swapper/022:00:200
134491560,3ptp4l0-21swapper/122:58:171
134491560,3ptp4l0-21swapper/120:15:121
2295099554,15cyclictest0-21swapper/222:39:362
2295099552,16cyclictest443-21rs:main2
2294899555,8cyclictest32446-21grep20:40:120
2294899555,7cyclictest0-21swapper/020:55:180
134491550,3ptp4l0-21swapper/123:46:191
2295099546,6cyclictest0-21swapper/221:05:232
2295099544,10cyclictest0-21swapper/222:20:222
2294899544,10cyclictest13574-21cat21:05:280
2294899535,10cyclictest30125-21cut22:50:240
134491530,7ptp4l0-21swapper/300:22:593
134491530,10ptp4l0-21swapper/119:50:161
2295099529,16cyclictest8553-21taskset19:45:412
2294899527,6cyclictest137891phc2sys23:05:100
2294899525,15cyclictest6836-21/usr/sbin/munin19:45:220
2294899522,11cyclictest24937-21systemctl21:30:250
134491520,3ptp4l0-21swapper/322:15:223
134491520,3ptp4l0-21swapper/121:09:521
2295099514,15cyclictest13946-21/usr/sbin/munin00:35:142
2295099512,9cyclictest4720-21df_abs19:40:142
2294899518,6cyclictest0-21swapper/023:30:160
2294899514,14cyclictest12973-21hddtemp_smartct22:15:180
134491510,3ptp4l0-21swapper/121:37:421
22951995038,9cyclictest41-21ksoftirqd/323:40:003
2295099505,15cyclictest28168-21iostat19:20:152
2295099504,12cyclictest0-21swapper/222:45:222
2295099502,46cyclictest0-21swapper/223:50:192
134491500,4ptp4l0-21swapper/100:32:261
134491500,3ptp4l0-21swapper/020:15:300
86402490,3sleep20-21swapper/220:55:252
2295099496,6cyclictest0-21swapper/221:40:142
134491490,4ptp4l0-21swapper/300:10:143
134491490,4ptp4l0-21swapper/123:35:531
134491490,3ptp4l25-21ksoftirqd/100:20:211
2295099487,7cyclictest0-21swapper/221:35:172
2295099484,13cyclictest10582-21ssh19:50:252
2295099482,31cyclictest0-21swapper/222:10:212
2294899487,6cyclictest0-21swapper/019:35:220
2294899487,6cyclictest0-21swapper/019:35:220
134491480,16ptp4l25-21ksoftirqd/123:05:161
2295099475,13cyclictest8050-21/usr/sbin/munin22:05:142
2295099475,13cyclictest8050-21/usr/sbin/munin22:05:142
2295099473,15cyclictest31492-21cat20:35:252
2294899475,15cyclictest24102-21ntp_states19:10:240
134491470,3ptp4l0-21swapper/323:30:153
134491470,3ptp4l0-21swapper/119:30:241
2295099468,5cyclictest0-21swapper/222:55:132
2295099467,6cyclictest0-21swapper/222:25:262
2294899462,9cyclictest0-21swapper/020:45:180
2294899462,8cyclictest9623-21ls23:15:270
134491460,4ptp4l0-21swapper/322:11:143
134491460,10ptp4l0-21swapper/119:22:141
2295099456,5cyclictest0-21swapper/223:00:232
2294899454,5cyclictest0-21swapper/021:56:040
134491450,9ptp4l0-21swapper/321:30:433
134491450,3ptp4l0-21swapper/219:16:222
134491450,3ptp4l0-21swapper/022:55:440
22951994439,3cyclictest41-21ksoftirqd/319:20:003
2295099448,2cyclictest134691getstats21:20:242
2295099444,8cyclictest23288-21diskstats19:10:152
2295099444,16cyclictest29895-21/usr/sbin/munin19:25:292
2295099444,12cyclictest1301-21snmpd20:04:082
2295099443,7cyclictest18378-21apt-get20:10:142
2295099442,5cyclictest0-21swapper/219:32:242
2294899448,14cyclictest28035-21/usr/sbin/munin20:30:160
2294899444,6cyclictest0-21swapper/023:28:220
2294899442,7cyclictest0-21swapper/019:22:020
134491440,5ptp4l0-21swapper/019:05:260
134491440,3ptp4l0-21swapper/122:16:441
134491440,3ptp4l0-21swapper/120:49:361
134491440,11ptp4l25-21ksoftirqd/122:54:471
134491440,10ptp4l0-21swapper/322:23:463
22951994339,3cyclictest41-21ksoftirqd/323:19:593
2295099434,13cyclictest5899-21apt-get23:10:112
2295099434,13cyclictest5899-21apt-get23:10:112
2295099434,11cyclictest4180-21apt-get00:15:132
2295099432,4cyclictest0-21swapper/223:15:172
2294899438,7cyclictest22027-21apt-get22:35:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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