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2026-02-09 - 02:21
[ 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 Sun Feb 08, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
596621500,7sleep03176399cyclictest08:32:150
3176599767,67cyclictest0-21swapper/212:10:252
31765997111,17cyclictest0-21swapper/211:30:132
134491700,2ptp4l121rcu_preempt10:43:411
3176599689,55cyclictest12049-21sed08:45:182
31765996711,11cyclictest1967-21taskset10:42:502
31765996711,11cyclictest10698-21chrt07:33:522
134491670,5ptp4l20207-21latency_hist07:55:010
3176599667,56cyclictest29620-21sendmail_mailtr11:40:252
3176599667,11cyclictest32308-21sort11:45:282
3176599658,10cyclictest7923-21irqrtprio10:55:192
134491630,4ptp4l0-21swapper/112:07:071
3176599627,10cyclictest23981-21cat08:00:262
3176599616,14cyclictest0-21swapper/209:50:242
3176599607,11cyclictest3303-21mailstats09:35:252
3176599599,9cyclictest12180-21/usr/sbin/munin09:55:182
3176599598,16cyclictest9630-21munin-node10:45:302
3176599598,16cyclictest0-21swapper/212:00:272
3176599597,17cyclictest212-21systemd-journal12:23:212
31765995914,11cyclictest15507-21taskset10:03:152
134491590,4ptp4l0-21swapper/308:50:153
134491590,4ptp4l0-21swapper/107:40:191
134491590,4ptp4l0-21swapper/007:25:160
134491590,3ptp4l0-21swapper/112:27:341
3176599587,10cyclictest30108-21date10:35:002
31765995810,45cyclictest31279-21ntp_states10:35:232
134491580,5ptp4l0-21swapper/311:06:413
134491580,4ptp4l0-21swapper/007:09:120
134491580,4ptp4l0-21swapper/007:09:120
3176599579,46cyclictest0-21swapper/207:22:522
134491570,4ptp4l0-21swapper/212:32:362
3176599569,44cyclictest9359-21cut08:40:162
3176599566,15cyclictest675-21/usr/sbin/munin11:50:172
134491560,3ptp4l0-21swapper/112:30:241
134491550,4ptp4l0-21swapper/108:51:161
134491550,4ptp4l0-21swapper/107:37:101
134491550,3ptp4l542-21meminfo09:30:180
134491550,3ptp4l0-21swapper/310:00:183
134491550,3ptp4l0-21swapper/112:35:031
3176599547,12cyclictest10957-21systemctl11:00:262
31765995411,39cyclictest18391-21/usr/sbin/munin07:50:142
134491540,4ptp4l0-21swapper/312:25:293
134491540,4ptp4l0-21swapper/307:24:163
134491540,4ptp4l0-21swapper/110:14:301
134491540,4ptp4l0-21swapper/109:25:041
134491540,4ptp4l0-21swapper/107:05:331
134491540,4ptp4l0-21swapper/107:05:331
134491540,3ptp4l0-21swapper/107:17:161
39192530,3sleep20-21swapper/208:30:012
3176599539,8cyclictest6995-21forks09:45:152
3176599536,11cyclictest5476-21mailstats08:30:252
31765995310,10cyclictest1919-21df07:15:142
134491530,5ptp4l0-21swapper/109:05:151
134491530,4ptp4l0-21swapper/110:32:511
134491530,4ptp4l0-21swapper/110:04:001
134491530,4ptp4l0-21swapper/107:57:571
134491530,3ptp4l0-21swapper/307:32:063
134491530,3ptp4l0-21swapper/010:35:070
3176599527,43cyclictest0-21swapper/209:10:222
31765995211,8cyclictest13361-21apt-get07:40:112
221062520,1sleep222110-21sed09:05:312
134491520,4ptp4l0-21swapper/311:48:413
134491520,4ptp4l0-21swapper/307:45:373
134491520,4ptp4l0-21swapper/108:33:181
134491510,4ptp4l0-21swapper/109:39:441
134491510,4ptp4l0-21swapper/008:06:040
134491510,3ptp4l0-21swapper/109:33:011
134491510,3ptp4l0-21swapper/108:25:381
134491510,3ptp4l0-21swapper/107:50:111
134491510,3ptp4l0-21swapper/011:55:180
134491510,3ptp4l0-21swapper/010:11:410
134491510,12ptp4l0-21swapper/109:20:161
3176599509,7cyclictest12350-21mailstats07:35:242
3176599508,39cyclictest17932-21latency_hist08:59:592
3176599508,10cyclictest3075-21/usr/sbin/munin11:55:132
134491500,4ptp4l0-21swapper/310:51:543
134491500,4ptp4l0-21swapper/111:30:271
134491500,4ptp4l0-21swapper/110:26:001
134491500,4ptp4l0-21swapper/110:08:181
134491500,4ptp4l0-21swapper/011:25:090
134491500,4ptp4l0-21swapper/010:27:290
134491500,3ptp4l0-21swapper/108:20:261
134491500,3ptp4l0-21swapper/108:20:251
3176599498,7cyclictest25547-21apt-get11:35:022
134491490,4ptp4l0-21swapper/312:05:533
134491490,4ptp4l0-21swapper/111:47:161
134491490,3ptp4l0-21swapper/009:09:190
134491490,11ptp4l0-21swapper/111:08:011
3176599489,7cyclictest23089-21apt-config10:20:012
3176599489,7cyclictest23089-21apt-config10:20:002
134491480,4ptp4l0-21swapper/309:36:523
134491480,4ptp4l0-21swapper/308:03:033
134491480,4ptp4l0-21swapper/107:26:481
134491480,3ptp4l0-21swapper/109:53:541
134491480,3ptp4l0-21swapper/107:13:401
3176599478,9cyclictest8922-21ls12:05:202
3176599478,7cyclictest531-21ls09:30:172
134491470,4ptp4l0-21swapper/009:43:340
134491470,3ptp4l0-21swapper/311:12:013
134491470,3ptp4l0-21swapper/311:12:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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