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2026-02-09 - 00:57
[ 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 792 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
134491470,3ptp4l0-21swapper/108:37:491
134491470,13ptp4l0-21swapper/008:43:220
134491470,11ptp4l0-21swapper/110:19:101
3176599468,7cyclictest28211-21ls08:10:202
3176599467,16cyclictest21166-21apt-get11:25:112
31765994615,12cyclictest20375-21taskset10:13:552
31765994613,30cyclictest1222-21taskset07:12:312
134491460,4ptp4l0-21swapper/109:14:421
3176599457,35cyclictest15792-21cat11:10:292
3176599457,35cyclictest15792-21cat11:10:292
134491450,8ptp4l0-21swapper/107:34:161
134491450,4ptp4l0-21swapper/312:21:313
134491450,4ptp4l0-21swapper/111:52:361
134491450,4ptp4l0-21swapper/111:37:111
134491450,4ptp4l0-21swapper/107:46:511
134491450,3ptp4l101ktimersoftd/011:20:110
134491450,3ptp4l0-21swapper/011:50:290
31765994412,10cyclictest21670-1kworker/2:2H07:49:552
134491440,8ptp4l0-21swapper/108:15:291
134491440,4ptp4l20263-21apt-get07:55:130
134491440,4ptp4l0-21swapper/112:16:211
134491440,4ptp4l0-21swapper/008:15:300
134491440,3ptp4l0-21swapper/110:57:221
134491440,3ptp4l0-21swapper/110:49:101
134491440,3ptp4l0-21swapper/010:50:490
134491440,2ptp4l0-21swapper/111:12:091
134491440,2ptp4l0-21swapper/111:12:091
134491440,11ptp4l0-21swapper/010:46:200
3176599438,32cyclictest7219-21iostat08:35:162
3176599436,5cyclictest19622-21ls09:00:262
134491430,4ptp4l0-21swapper/108:44:461
134491430,10ptp4l0-21swapper/210:17:132
3176599429,31cyclictest0-21swapper/211:07:502
3176599429,30cyclictest13575-21apt-get08:50:112
3176599424,5cyclictest137891phc2sys10:25:132
31765994211,27cyclictest21218-21memory07:55:212
134491420,9ptp4l0-21swapper/208:24:002
134491420,9ptp4l0-21swapper/208:24:002
134491420,4ptp4l5090-21meminfo07:20:190
134491420,4ptp4l21812-21apt-get12:35:130
134491420,4ptp4l0-21swapper/109:56:121
134491420,4ptp4l0-21swapper/010:05:270
3176599419,7cyclictest19818-21meminfo11:20:202
31765994110,14cyclictest6753-21diskstats07:25:152
134491410,9ptp4l0-21swapper/209:27:112
134491410,8ptp4l9-21ksoftirqd/011:11:540
134491410,8ptp4l9-21ksoftirqd/011:11:540
134491410,7ptp4l0-21swapper/110:50:141
134491410,5ptp4l0-21swapper/209:40:242
134491410,4ptp4l6673-21apt-get09:45:111
134491410,4ptp4l30363-21apt-get11:45:020
134491410,4ptp4l28307-21apt-get11:40:111
134491410,4ptp4l1703-21apt-get07:15:130
134491410,4ptp4l0-21swapper/310:25:143
134491410,4ptp4l0-21swapper/111:01:181
134491410,4ptp4l0-21swapper/110:24:451
134491410,4ptp4l0-21swapper/110:24:451
134491410,4ptp4l0-21swapper/108:02:571
134491410,3ptp4l2318-21gnome-shell08:25:590
134491400,9ptp4l0-21swapper/308:42:383
134491400,9ptp4l0-21swapper/212:18:072
134491400,5ptp4l25655-21/usr/sbin/munin09:15:211
134491400,5ptp4l0-21swapper/007:32:140
134491400,4ptp4l7242-21iostat09:45:180
134491400,4ptp4l24207-21meminfo10:20:203
134491400,4ptp4l24207-21meminfo10:20:203
134491400,4ptp4l16991-21ntp_states08:55:210
134491400,4ptp4l11847-21iostat_ios08:45:191
134491400,4ptp4l0-21swapper/307:44:243
134491400,4ptp4l0-21swapper/307:11:083
134491400,4ptp4l0-21swapper/210:07:442
134491400,4ptp4l0-21swapper/112:22:571
134491400,4ptp4l0-21swapper/111:56:381
134491400,4ptp4l0-21swapper/012:20:190
134491400,4ptp4l0-21swapper/011:15:180
134491400,4ptp4l0-21swapper/010:00:210
134491400,4ptp4l0-21swapper/008:47:490
134491400,4ptp4l0-21swapper/007:45:110
134491400,4ptp4l0-21swapper/007:35:120
134491400,3ptp4l7527-21apt-get12:05:020
134491400,3ptp4l27859-21apt-get10:30:110
134491400,3ptp4l0-21swapper/112:03:391
134491400,2ptp4l5563-21ls07:20:261
31766993935,3cyclictest41-21ksoftirqd/308:50:003
134491390,6ptp4l0-21swapper/109:04:161
134491390,5ptp4l0-21swapper/309:19:283
134491390,5ptp4l0-21swapper/012:30:270
134491390,5ptp4l0-21swapper/010:55:240
134491390,5ptp4l0-21swapper/009:20:150
134491390,4ptp4l2970-21ps07:15:263
134491390,4ptp4l25199-21diskstats08:05:151
134491390,4ptp4l2253-21diskstats09:35:150
134491390,4ptp4l19172-21diskstats11:20:161
134491390,4ptp4l0-21swapper/311:15:153
134491390,4ptp4l0-21swapper/310:48:173
134491390,4ptp4l0-21swapper/309:50:263
134491390,4ptp4l0-21swapper/309:40:243
134491390,4ptp4l0-21swapper/309:22:173
134491390,4ptp4l0-21swapper/309:05:343
134491390,4ptp4l0-21swapper/307:55:513
134491390,4ptp4l0-21swapper/307:52:253
134491390,4ptp4l0-21swapper/212:36:002
134491390,4ptp4l0-21swapper/210:51:452
134491390,4ptp4l0-21swapper/208:05:362
134491390,4ptp4l0-21swapper/111:15:171
134491390,4ptp4l0-21swapper/109:40:181
134491390,4ptp4l0-21swapper/012:25:240
134491390,4ptp4l0-21swapper/012:13:230
134491390,4ptp4l0-21swapper/012:00:320
134491390,4ptp4l0-21swapper/011:44:550
134491390,4ptp4l0-21swapper/011:35:110
134491390,4ptp4l0-21swapper/009:26:110
134491390,4ptp4l0-21swapper/008:20:230
134491390,4ptp4l0-21swapper/008:20:230
134491390,4ptp4l0-21swapper/008:00:020
134491390,4ptp4l0-21swapper/007:10:220
134491390,3ptp4l9917-21ls09:50:200
134491390,3ptp4l6196-21apt-get08:35:023
134491390,3ptp4l22800-21apt-get09:10:120
134491390,3ptp4l10281-21apt-get12:10:131
31766993833,3cyclictest41-21ksoftirqd/312:20:003
31766993832,4cyclictest41-21ksoftirqd/309:00:003
31763993833,3cyclictest9-21ksoftirqd/011:10:010
134491380,5ptp4l0-21swapper/309:45:133
134491380,4ptp4l30511-21fschecks_count10:35:161
134491380,4ptp4l0-21swapper/312:38:023
134491380,4ptp4l0-21swapper/312:31:283
134491380,4ptp4l0-21swapper/311:22:503
134491380,4ptp4l0-21swapper/310:56:373
134491380,4ptp4l0-21swapper/310:41:003
134491380,4ptp4l0-21swapper/310:30:453
134491380,4ptp4l0-21swapper/308:34:593
134491380,4ptp4l0-21swapper/308:26:563
134491380,4ptp4l0-21swapper/308:21:083
134491380,4ptp4l0-21swapper/308:21:083
134491380,4ptp4l0-21swapper/308:16:483
134491380,4ptp4l0-21swapper/307:37:523
134491380,4ptp4l0-21swapper/209:20:552
134491380,4ptp4l0-21swapper/209:15:242
134491380,4ptp4l0-21swapper/108:10:161
134491380,4ptp4l0-21swapper/012:15:220
134491380,4ptp4l0-21swapper/011:00:120
134491380,4ptp4l0-21swapper/010:40:180
134491380,4ptp4l0-21swapper/010:15:000
134491380,4ptp4l0-21swapper/009:15:110
134491380,4ptp4l0-21swapper/008:35:110
134491380,4ptp4l0-21swapper/008:10:200
134491380,4ptp4l0-21swapper/007:41:570
134491380,3ptp4l17212-21apt-get12:25:142
134491380,3ptp4l0-21swapper/311:53:563
134491380,3ptp4l0-21swapper/211:15:492
134491380,3ptp4l0-21swapper/208:16:362
134491380,3ptp4l0-21swapper/009:57:370
134491380,3ptp4l0-21swapper/009:00:280
134491380,3ptp4l0-21swapper/008:50:210
31766993732,3cyclictest41-21ksoftirqd/311:35:033
134491370,4ptp4l0-21swapper/311:44:583
134491370,4ptp4l0-21swapper/311:32:033
134491370,4ptp4l0-21swapper/311:27:343
134491370,4ptp4l0-21swapper/311:02:453
134491370,4ptp4l0-21swapper/310:35:443
134491370,4ptp4l0-21swapper/309:33:233
134491370,4ptp4l0-21swapper/307:26:183
134491370,4ptp4l0-21swapper/111:25:241
134491370,4ptp4l0-21swapper/108:57:251
134491370,4ptp4l0-21swapper/011:30:220
134491370,3ptp4l24352-21awk10:20:210
134491370,3ptp4l24352-21awk10:20:210
134491370,3ptp4l0-21swapper/309:28:593
134491360,4ptp4l0-21swapper/311:56:263
134491360,4ptp4l0-21swapper/310:07:423
134491360,4ptp4l0-21swapper/309:13:483
134491360,4ptp4l0-21swapper/309:02:233
134491360,4ptp4l0-21swapper/308:05:383
134491360,3ptp4l0-21swapper/312:01:553
134491360,3ptp4l0-21swapper/310:17:053
134491360,3ptp4l0-21swapper/310:14:503
134491360,3ptp4l0-21swapper/309:57:533
134491360,3ptp4l0-21swapper/308:14:173
134491350,4ptp4l0-21swapper/312:10:583
137891204,3phc2sys0-21swapper/307:08:293
137891204,3phc2sys0-21swapper/307:08:293
299262141,7sleep229994-21iostat07:05:172
299262141,7sleep229994-21iostat07:05:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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