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2026-01-20 - 12:10
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 376 highest latencies:
System rackdslot2.osadl.org (updated Tue Jan 20, 2026 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22282240172,23sleep30-21swapper/319:08:383
21022228162,22sleep00-21swapper/019:07:070
21092204171,23sleep20-21swapper/219:07:132
21312202170,21sleep10-21swapper/119:07:241
939021530,5sleep2267699cyclictest20:30:132
139291660,0ptp4l401ktimersoftd/323:41:353
2676996026,3cyclictest33-21ksoftirqd/219:40:262
267599601,13cyclictest4191-21dpkg22:35:111
80642580,1sleep00-21swapper/020:25:250
80642580,1sleep00-21swapper/020:25:240
69032580,5sleep2267699cyclictest23:45:242
139291580,0ptp4l401ktimersoftd/319:38:433
2676995723,3cyclictest33-21ksoftirqd/220:40:202
2676995525,7cyclictest33-21ksoftirqd/220:25:242
2676995525,7cyclictest33-21ksoftirqd/220:25:232
139291550,1ptp4l401ktimersoftd/322:35:533
139291550,1ptp4l401ktimersoftd/322:31:583
267499544,8cyclictest9-21ksoftirqd/020:15:150
139291540,1ptp4l401ktimersoftd/300:30:463
267599530,11cyclictest6418-21uname19:15:221
139291530,1ptp4l401ktimersoftd/320:30:393
139291530,1ptp4l401ktimersoftd/300:20:253
2676995216,6cyclictest33-21ksoftirqd/220:50:272
267599522,12cyclictest7342-21cat20:25:191
267599522,12cyclictest7342-21cat20:25:191
267499525,8cyclictest9-21ksoftirqd/023:45:240
267499525,3cyclictest9-21ksoftirqd/019:25:280
267599510,10cyclictest10404-21sed19:25:161
267499516,9cyclictest9-21ksoftirqd/023:50:120
267499515,8cyclictest9-21ksoftirqd/020:10:250
267499514,8cyclictest9-21ksoftirqd/021:35:200
267499514,8cyclictest9-21ksoftirqd/021:35:190
267499513,8cyclictest9-21ksoftirqd/019:20:240
2676995019,5cyclictest33-21ksoftirqd/222:15:132
267599500,12cyclictest8126-21fschecks_count21:35:161
267599500,12cyclictest8126-21fschecks_count21:35:151
267599500,12cyclictest20224-21/usr/sbin/munin19:45:141
267499506,9cyclictest9-21ksoftirqd/019:40:140
267499505,8cyclictest9-21ksoftirqd/000:35:240
267499505,10cyclictest9-21ksoftirqd/021:50:210
267499505,10cyclictest9-21ksoftirqd/019:50:010
267499505,10cyclictest9-21ksoftirqd/000:25:120
2676994913,6cyclictest33-21ksoftirqd/223:35:152
267499495,9cyclictest9-21ksoftirqd/022:20:130
267499495,9cyclictest9-21ksoftirqd/020:40:170
267499495,10cyclictest9-21ksoftirqd/022:40:240
267499495,10cyclictest9-21ksoftirqd/020:35:230
267499494,9cyclictest9-21ksoftirqd/019:15:200
267499492,6cyclictest9-21ksoftirqd/023:59:590
2676994817,8cyclictest33-21ksoftirqd/200:05:292
2676994817,4cyclictest33-21ksoftirqd/219:40:012
2676994817,4cyclictest33-21ksoftirqd/219:20:222
2676994815,3cyclictest33-21ksoftirqd/222:45:012
267599485,15cyclictest4920-21sshd21:27:481
267599480,12cyclictest30071-21/usr/sbin/munin20:05:181
267599480,12cyclictest13621-21/usr/sbin/munin19:30:221
267599480,11cyclictest25863-21dpkg23:20:131
267499483,6cyclictest9-21ksoftirqd/023:05:000
267499482,5cyclictest9-21ksoftirqd/023:20:170
2676994717,4cyclictest33-21ksoftirqd/223:15:122
2676994714,4cyclictest33-21ksoftirqd/223:00:192
2676994713,3cyclictest33-21ksoftirqd/222:10:272
2675994740,4cyclictest19657-21cron00:15:001
2675994740,4cyclictest19657-21cron00:15:001
267599470,11cyclictest31165-21smartctl23:30:171
267499475,9cyclictest9-21ksoftirqd/020:50:210
267499475,9cyclictest9-21ksoftirqd/019:55:130
267499474,7cyclictest9-21ksoftirqd/021:32:060
267499472,6cyclictest9-21ksoftirqd/022:35:260
267499472,6cyclictest9-21ksoftirqd/021:40:130
267499472,5cyclictest9-21ksoftirqd/020:20:140
267499470,6cyclictest9-21ksoftirqd/019:45:000
2676994625,3cyclictest33-21ksoftirqd/221:05:252
2676994617,7cyclictest33-21ksoftirqd/200:00:202
267599460,12cyclictest30116-21taskset23:26:221
267599460,12cyclictest24328-21cut23:15:181
267499465,9cyclictest9-21ksoftirqd/023:30:180
267499465,9cyclictest9-21ksoftirqd/000:30:180
267499465,8cyclictest9-21ksoftirqd/022:55:250
267499465,8cyclictest9-21ksoftirqd/022:55:250
267499464,8cyclictest9-21ksoftirqd/000:05:160
267499461,9cyclictest9-21ksoftirqd/022:00:150
267499461,6cyclictest9-21ksoftirqd/019:35:140
267499461,10cyclictest9-21ksoftirqd/023:25:240
267499460,7cyclictest9-21ksoftirqd/021:26:020
139291460,1ptp4l0-21swapper/322:10:183
267699459,10cyclictest33-21ksoftirqd/223:55:212
2676994515,4cyclictest33-21ksoftirqd/223:23:562
2676994513,5cyclictest33-21ksoftirqd/222:45:162
2676994511,7cyclictest33-21ksoftirqd/220:25:002
2676994511,4cyclictest33-21ksoftirqd/223:25:182
2676994511,11cyclictest33-21ksoftirqd/222:35:232
2676994511,10cyclictest33-21ksoftirqd/219:15:152
267599451,9cyclictest0-21swapper/123:55:131
267599451,12cyclictest6955-21threads23:45:251
267599450,12cyclictest28106-21sed00:30:201
267599450,11cyclictest28915-21cut21:10:181
267499455,9cyclictest9-21ksoftirqd/000:20:140
267499455,8cyclictest9-21ksoftirqd/020:30:120
267499453,6cyclictest9-21ksoftirqd/021:10:140
267499452,6cyclictest9-21ksoftirqd/023:40:000
267499452,5cyclictest9-21ksoftirqd/020:45:140
267499452,5cyclictest9-21ksoftirqd/000:15:250
267499451,5cyclictest9-21ksoftirqd/021:05:260
267699449,4cyclictest33-21ksoftirqd/221:15:132
267699448,6cyclictest33-21ksoftirqd/223:05:252
267699442,8cyclictest33-21ksoftirqd/220:55:252
2676994415,7cyclictest33-21ksoftirqd/222:00:152
2676994415,7cyclictest33-21ksoftirqd/221:30:272
2676994414,4cyclictest33-21ksoftirqd/219:10:272
2676994412,4cyclictest33-21ksoftirqd/223:40:222
2675994439,3cyclictest1262-21sed23:35:191
267599441,12cyclictest26970-21grep22:15:111
267599440,11cyclictest16485-21forks23:00:161
267599440,11cyclictest14618-21/usr/sbin/munin22:55:191
267599440,11cyclictest14618-21/usr/sbin/munin22:55:191
267499445,5cyclictest9-21ksoftirqd/023:40:120
267499443,8cyclictest9-21ksoftirqd/022:05:140
267499443,6cyclictest9-21ksoftirqd/020:59:120
267499442,7cyclictest9-21ksoftirqd/023:05:140
267499442,7cyclictest9-21ksoftirqd/022:50:220
2674994427,9cyclictest9-21ksoftirqd/019:10:150
267499442,5cyclictest9-21ksoftirqd/022:45:150
267499441,7cyclictest9-21ksoftirqd/020:09:200
267499441,6cyclictest9-21ksoftirqd/021:48:050
267499441,4cyclictest0-21swapper/020:00:260
267499440,6cyclictest9-21ksoftirqd/019:30:430
267499440,4cyclictest0-21swapper/021:20:000
267699437,9cyclictest33-21ksoftirqd/219:45:192
267699432,6cyclictest33-21ksoftirqd/200:10:122
267699432,6cyclictest33-21ksoftirqd/200:10:112
2676994320,2cyclictest33-21ksoftirqd/222:20:232
2676994315,7cyclictest33-21ksoftirqd/220:15:262
2676994315,7cyclictest33-21ksoftirqd/200:15:222
2676994311,4cyclictest33-21ksoftirqd/222:55:162
2676994311,4cyclictest33-21ksoftirqd/222:55:162
267599435,10cyclictest32757-21latency22:25:181
267599430,11cyclictest7933-21/usr/sbin/munin22:40:231
267599430,11cyclictest13016-21unixbench_singl22:50:271
267499433,5cyclictest9-21ksoftirqd/021:55:140
267499432,6cyclictest9-21ksoftirqd/023:15:120
267499432,10cyclictest9-21ksoftirqd/022:25:170
139291430,1ptp4l401ktimersoftd/320:10:293
267699429,5cyclictest33-21ksoftirqd/223:30:162
267699427,4cyclictest33-21ksoftirqd/219:56:122
267699423,5cyclictest33-21ksoftirqd/221:25:242
2676994231,9cyclictest33-21ksoftirqd/200:20:232
2676994213,8cyclictest33-21ksoftirqd/221:35:132
2676994213,8cyclictest33-21ksoftirqd/221:35:132
2676994212,7cyclictest33-21ksoftirqd/222:25:122
267599420,19cyclictest16091-21/usr/sbin/munin19:35:241
267599420,11cyclictest14065-21ls20:40:131
267499423,8cyclictest9-21ksoftirqd/000:13:500
267499423,8cyclictest9-21ksoftirqd/000:13:490
267499421,5cyclictest9-21ksoftirqd/022:33:370
267499421,5cyclictest9-21ksoftirqd/021:21:250
139291420,35ptp4l0-21swapper/319:10:013
139291420,0ptp4l401ktimersoftd/322:49:583
139291420,0ptp4l401ktimersoftd/300:00:253
267699419,8cyclictest33-21ksoftirqd/222:30:112
267699419,4cyclictest33-21ksoftirqd/219:50:242
267699418,9cyclictest33-21ksoftirqd/220:00:252
267699417,6cyclictest33-21ksoftirqd/221:10:142
267699417,3cyclictest33-21ksoftirqd/222:10:012
267699414,4cyclictest33-21ksoftirqd/220:45:182
2676994113,7cyclictest33-21ksoftirqd/200:25:172
2676994111,6cyclictest33-21ksoftirqd/219:25:182
267599410,12cyclictest8211-21df_inode23:50:141
267599410,10cyclictest4695-21runrttasks19:13:191
267499415,9cyclictest9-21ksoftirqd/023:10:220
267499414,3cyclictest9-21ksoftirqd/022:14:410
267499412,6cyclictest9-21ksoftirqd/021:00:170
139291410,0ptp4l401ktimersoftd/321:52:263
267699408,6cyclictest33-21ksoftirqd/200:35:142
267699406,6cyclictest33-21ksoftirqd/220:35:152
2676994014,7cyclictest33-21ksoftirqd/221:20:142
2676994014,7cyclictest33-21ksoftirqd/219:30:232
2676994013,9cyclictest33-21ksoftirqd/221:04:542
2676994013,6cyclictest33-21ksoftirqd/220:10:162
2676994010,6cyclictest33-21ksoftirqd/200:30:142
267599400,12cyclictest17898-21/usr/sbin/munin21:55:171
139291400,0ptp4l401ktimersoftd/320:55:243
267699399,5cyclictest33-21ksoftirqd/221:45:142
267699394,5cyclictest33-21ksoftirqd/222:50:202
2676993935,3cyclictest33-21ksoftirqd/223:15:002
267599390,9cyclictest217-21systemd-journal20:46:201
267599390,12cyclictest31921-21mailstats21:15:221
267599390,11cyclictest7138-21taskset21:30:511
267599390,11cyclictest5747-21mailstats20:20:241
267499390,7cyclictest9-21ksoftirqd/000:00:190
2677993832,4cyclictest41-21ksoftirqd/321:29:353
2677993832,4cyclictest41-21ksoftirqd/319:22:343
2676993833,3cyclictest33-21ksoftirqd/220:05:162
2676993832,3cyclictest33-21ksoftirqd/221:40:122
2676993828,3cyclictest33-21ksoftirqd/221:50:172
2675993833,3cyclictest25-21ksoftirqd/100:15:111
267599380,15cyclictest24142-21taskset22:07:411
267599380,13cyclictest2191-21fschecks_count22:30:141
267599380,11cyclictest32487-21idleruntime20:10:181
267599380,11cyclictest12399-21/usr/sbin/munin20:35:211
267599380,11cyclictest0-21swapper/120:00:211
139291380,16ptp4l401ktimersoftd/323:39:483
2677993732,3cyclictest41-21ksoftirqd/323:30:123
2677993732,3cyclictest41-21ksoftirqd/322:40:103
2677993732,3cyclictest41-21ksoftirqd/321:36:173
2677993732,3cyclictest41-21ksoftirqd/321:36:163
2677993731,4cyclictest41-21ksoftirqd/323:55:363
2677993731,4cyclictest41-21ksoftirqd/321:48:083
2677993731,4cyclictest41-21ksoftirqd/321:03:033
2677993731,4cyclictest41-21ksoftirqd/320:35:433
2676993732,3cyclictest33-21ksoftirqd/221:55:142
2675993732,3cyclictest25-21ksoftirqd/119:55:101
2675993731,4cyclictest25-21ksoftirqd/119:54:481
267599370,11cyclictest9302-21timerwakeupswit19:20:261
267599370,11cyclictest31377-21sshd22:23:061
2677993630,4cyclictest41-21ksoftirqd/322:18:003
2677993630,4cyclictest41-21ksoftirqd/321:44:303
2677993630,4cyclictest41-21ksoftirqd/320:17:533
2677993630,4cyclictest41-21ksoftirqd/300:13:543
2677993630,4cyclictest41-21ksoftirqd/300:13:533
2675993630,4cyclictest25-21ksoftirqd/121:49:421
267599360,12cyclictest25113-21/usr/sbin/munin21:00:281
267599360,12cyclictest22529-21timerandwakeup20:55:271
139291360,0ptp4l401ktimersoftd/319:30:523
2677993530,3cyclictest41-21ksoftirqd/320:27:493
2677993530,3cyclictest41-21ksoftirqd/320:27:493
2677993529,4cyclictest41-21ksoftirqd/323:20:473
2677993529,4cyclictest41-21ksoftirqd/321:15:343
2677993529,4cyclictest41-21ksoftirqd/320:50:393
2677993529,4cyclictest41-21ksoftirqd/319:44:003
2676993530,3cyclictest33-21ksoftirqd/223:50:122
2675993529,4cyclictest25-21ksoftirqd/123:12:221
2675993529,4cyclictest25-21ksoftirqd/120:17:281
267499355,8cyclictest9-21ksoftirqd/022:18:180
2677993429,3cyclictest41-21ksoftirqd/319:25:383
2675993428,4cyclictest25-21ksoftirqd/123:44:281
2675993427,4cyclictest25-21ksoftirqd/120:51:061
267599342,10cyclictest0-21swapper/123:06:291
267599340,9cyclictest0-21swapper/100:05:261
267599340,12cyclictest25686-21runrttasks22:10:211
2677993328,3cyclictest41-21ksoftirqd/319:50:283
2677993328,3cyclictest41-21ksoftirqd/319:15:123
2677993328,3cyclictest41-21ksoftirqd/300:26:223
2677993327,4cyclictest41-21ksoftirqd/322:27:353
2677993327,4cyclictest41-21ksoftirqd/321:32:033
2677993327,4cyclictest41-21ksoftirqd/320:20:513
2677993327,4cyclictest41-21ksoftirqd/319:49:593
2675993328,3cyclictest25-21ksoftirqd/121:52:231
2675993327,4cyclictest25-21ksoftirqd/122:48:551
267599330,18cyclictest29649-21expr00:35:121
267599330,14cyclictest19825-21/usr/sbin/munin22:00:191
2677993227,3cyclictest41-21ksoftirqd/323:50:313
2677993227,3cyclictest41-21ksoftirqd/323:27:283
2677993227,3cyclictest41-21ksoftirqd/322:58:213
2677993227,3cyclictest41-21ksoftirqd/322:58:213
2677993227,3cyclictest41-21ksoftirqd/321:14:593
2677993227,3cyclictest41-21ksoftirqd/320:44:183
2677993226,4cyclictest41-21ksoftirqd/323:10:563
2677993226,4cyclictest41-21ksoftirqd/321:23:093
2677993225,5cyclictest41-21ksoftirqd/319:57:043
2675993227,3cyclictest25-21ksoftirqd/121:42:111
2677993126,3cyclictest41-21ksoftirqd/320:48:283
2677993126,3cyclictest41-21ksoftirqd/300:15:113
2677993125,4cyclictest41-21ksoftirqd/323:46:263
2675993126,3cyclictest25-21ksoftirqd/119:44:371
2675993125,4cyclictest25-21ksoftirqd/121:22:101
2677993025,3cyclictest41-21ksoftirqd/322:06:223
2677993024,4cyclictest41-21ksoftirqd/323:16:423
2677993024,4cyclictest41-21ksoftirqd/323:02:143
2677993024,4cyclictest41-21ksoftirqd/322:24:273
2677993024,4cyclictest41-21ksoftirqd/322:02:523
2677993024,4cyclictest41-21ksoftirqd/320:08:033
2675993024,4cyclictest25-21ksoftirqd/121:07:101
2677992924,3cyclictest41-21ksoftirqd/321:59:153
2677992924,3cyclictest41-21ksoftirqd/321:05:333
2677992924,3cyclictest41-21ksoftirqd/300:35:333
139291290,0ptp4l401ktimersoftd/323:06:233
2677992823,3cyclictest41-21ksoftirqd/322:51:123
2675992823,3cyclictest25-21ksoftirqd/100:20:541
2675992823,3cyclictest25-21ksoftirqd/100:02:561
139291280,0ptp4l401ktimersoftd/320:05:003
2675992621,3cyclictest25-21ksoftirqd/120:32:201
2675992621,3cyclictest25-21ksoftirqd/100:29:321
139291260,0ptp4l401ktimersoftd/300:08:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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