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2026-01-21 - 12:26
[ 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 rackdslot4.osadl.org (updated Wed Jan 21, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227572204172,21sleep20-21swapper/219:06:062
228852203168,23sleep30-21swapper/319:07:403
228462202169,22sleep10-21swapper/119:07:101
230312200167,22sleep00-21swapper/019:09:340
1523821480,6sleep22335899cyclictest23:10:202
121582680,1sleep10-21swapper/123:05:141
138491660,13ptp4l2335999cyclictest22:00:333
78932630,6sleep02335699cyclictest19:40:220
264742600,5sleep326469-21cpuspeed_turbos20:20:123
2335899592,16cyclictest6478-21/usr/sbin/munin22:55:242
2335899592,12cyclictest6742-21sed21:50:142
2335899592,12cyclictest6742-21sed21:50:142
51962570,3sleep00-21swapper/021:45:220
138491550,1ptp4l401ktimersoftd/319:32:523
2335899530,16cyclictest11269-21systemctl00:07:202
2335899512,6cyclictest368-21grep22:40:262
138491510,1ptp4l401ktimersoftd/300:35:293
2335899502,11cyclictest31305-21grep20:30:112
2335899480,7cyclictest1319-21snmpd00:25:192
23357994829,4cyclictest25-21ksoftirqd/119:39:591
2335899473,15cyclictest12322-21cut19:50:182
50798460,2rtkit-daemon506-21rtkit-daemon23:48:191
2335899451,15cyclictest5617-21timerandwakeup23:55:252
2335899451,15cyclictest21315-21/usr/sbin/munin20:10:212
2335899450,15cyclictest6552-21cpu19:40:122
270012440,2sleep00-21swapper/019:15:180
2335899446,8cyclictest24243-21cut19:10:182
2335899442,9cyclictest27436-21ps21:25:232
2335899442,8cyclictest29976-21ps19:20:202
2335899440,7cyclictest15429-21ls22:05:252
2335899430,7cyclictest23839-21apt-get22:25:112
2335899430,16cyclictest0-21swapper/219:16:532
138491430,0ptp4l401ktimersoftd/321:47:073
81142420,3sleep20-21swapper/220:45:272
2335899422,7cyclictest28521-21sshd23:37:422
2335899421,7cyclictest21514-21apt-get23:25:092
23356994228,12cyclictest9-21ksoftirqd/021:35:110
138491420,0ptp4l401ktimersoftd/322:24:423
138491420,0ptp4l401ktimersoftd/321:05:353
138491420,0ptp4l401ktimersoftd/300:22:503
2335899412,7cyclictest4610-21perl22:50:162
23358994113,25cyclictest33-21ksoftirqd/222:00:122
23359994033,3cyclictest13442-21cron20:59:593
2335899403,15cyclictest20369-21mailstats20:05:242
2335899403,15cyclictest20369-21mailstats20:05:242
2335899402,7cyclictest2479-21meminfo20:35:202
2335899401,9cyclictest932-21sshd23:46:202
2335899401,10cyclictest11660-21egrep23:05:102
138491400,1ptp4l401ktimersoftd/323:11:263
2335899393,33cyclictest15899-21sshd19:57:012
2335899392,7cyclictest31476-21df_inode21:35:142
2335899392,16cyclictest9230-21awk21:55:152
138491390,0ptp4l401ktimersoftd/323:40:563
138491390,0ptp4l401ktimersoftd/323:40:563
134991390,1getstats0-21swapper/321:35:403
2335899381,8cyclictest17720-21ps00:20:192
2335899381,7cyclictest17823-21ls22:10:262
2335899380,7cyclictest25967-21grep00:35:262
2335899380,7cyclictest17949-21ps23:15:202
2335899380,7cyclictest12968-21ls20:55:262
138491380,0ptp4l401ktimersoftd/300:35:003
23359993732,3cyclictest41-21ksoftirqd/322:50:003
2335899374,8cyclictest2985-21ptp4l-jitter22:45:242
2335899371,7cyclictest14446-21ps21:00:192
2335899371,10cyclictest1319-21snmpd22:30:172
23357993732,3cyclictest5025-21uname23:55:191
23356993730,5cyclictest9-21ksoftirqd/000:07:270
23356993712,3cyclictest16469-21expr21:05:140
23359993630,4cyclictest41-21ksoftirqd/321:40:193
23359993630,4cyclictest41-21ksoftirqd/319:59:303
23358993631,3cyclictest33-21ksoftirqd/223:31:302
23358993631,3cyclictest33-21ksoftirqd/220:20:102
23358993631,3cyclictest33-21ksoftirqd/220:15:502
2335899361,7cyclictest20837-21apt-get22:20:002
2335899361,15cyclictest28744-21/usr/sbin/munin22:35:162
23357993630,4cyclictest25-21ksoftirqd/123:01:081
23357993630,4cyclictest25-21ksoftirqd/100:19:441
23357993629,5cyclictest25-21ksoftirqd/119:56:031
23356993631,3cyclictest9-21ksoftirqd/021:20:000
23356993630,4cyclictest9-21ksoftirqd/019:54:060
23359993530,3cyclictest41-21ksoftirqd/319:45:013
2335899354,7cyclictest33-21ksoftirqd/200:17:082
2335899352,4cyclictest0-21swapper/223:03:042
23357993530,3cyclictest25-21ksoftirqd/123:50:221
23357993530,3cyclictest25-21ksoftirqd/120:42:171
23357993530,3cyclictest25-21ksoftirqd/100:10:111
23357993529,4cyclictest25-21ksoftirqd/123:36:191
23357993529,4cyclictest25-21ksoftirqd/123:17:101
23357993529,4cyclictest25-21ksoftirqd/122:49:091
23357993529,4cyclictest25-21ksoftirqd/122:42:551
23357993529,4cyclictest25-21ksoftirqd/120:24:441
23356993529,4cyclictest9-21ksoftirqd/023:16:440
23359993428,4cyclictest41-21ksoftirqd/321:21:143
23359993428,4cyclictest41-21ksoftirqd/320:05:083
23359993428,4cyclictest41-21ksoftirqd/320:05:083
23359993428,4cyclictest41-21ksoftirqd/319:21:313
23359993428,4cyclictest41-21ksoftirqd/300:01:403
23359993427,4cyclictest41-21ksoftirqd/322:15:463
23359993427,4cyclictest41-21ksoftirqd/319:48:513
23358993429,3cyclictest33-21ksoftirqd/220:50:282
23357993428,4cyclictest25-21ksoftirqd/122:26:151
23357993428,4cyclictest25-21ksoftirqd/122:09:211
23357993428,4cyclictest25-21ksoftirqd/121:59:271
23357993428,4cyclictest25-21ksoftirqd/121:32:341
23357993428,4cyclictest25-21ksoftirqd/119:28:471
23357993428,4cyclictest25-21ksoftirqd/119:28:471
23356993429,3cyclictest9-21ksoftirqd/021:30:110
23356993428,4cyclictest9-21ksoftirqd/023:40:510
23356993428,4cyclictest9-21ksoftirqd/023:40:510
23356993428,4cyclictest9-21ksoftirqd/022:30:060
23356993428,4cyclictest9-21ksoftirqd/021:29:130
23356993428,4cyclictest9-21ksoftirqd/000:20:580
23356993428,4cyclictest9-21ksoftirqd/000:10:480
23356993427,5cyclictest9-21ksoftirqd/022:40:460
23356993427,5cyclictest9-21ksoftirqd/000:25:080
23356993427,4cyclictest9-21ksoftirqd/000:17:090
138491340,1ptp4l401ktimersoftd/323:29:373
50798330,1rtkit-daemon506-21rtkit-daemon23:13:211
23359993328,3cyclictest41-21ksoftirqd/323:31:083
23359993328,3cyclictest41-21ksoftirqd/321:51:153
23359993328,3cyclictest41-21ksoftirqd/321:51:153
23359993327,4cyclictest41-21ksoftirqd/323:21:503
23359993327,4cyclictest41-21ksoftirqd/322:57:183
23359993327,4cyclictest41-21ksoftirqd/321:26:283
23357993327,4cyclictest25-21ksoftirqd/123:21:471
23357993327,4cyclictest25-21ksoftirqd/121:39:041
23357993327,4cyclictest25-21ksoftirqd/120:31:061
23357993327,4cyclictest25-21ksoftirqd/119:42:191
23357993327,4cyclictest25-21ksoftirqd/119:19:451
23357993327,4cyclictest15923-21cron21:04:591
23356993327,4cyclictest9-21ksoftirqd/020:56:400
23356993327,4cyclictest9-21ksoftirqd/019:46:310
23356993326,5cyclictest9-21ksoftirqd/020:22:260
23356993326,4cyclictest9-21ksoftirqd/022:01:470
23356993312,3cyclictest21633-21expr20:10:140
23356993312,3cyclictest19360-21expr23:20:120
23356993311,3cyclictest2889-21date21:40:270
2335699330,4cyclictest15912-21sh22:10:000
23359993227,3cyclictest41-21ksoftirqd/319:38:193
23359993227,3cyclictest41-21ksoftirqd/300:17:563
23359993226,4cyclictest41-21ksoftirqd/320:48:253
23359993226,4cyclictest41-21ksoftirqd/319:53:333
23359993226,4cyclictest41-21ksoftirqd/319:10:363
23359993226,4cyclictest41-21ksoftirqd/300:27:563
23359993226,3cyclictest6244-21cron22:55:003
23358993226,4cyclictest33-21ksoftirqd/219:33:462
23357993227,3cyclictest25-21ksoftirqd/122:22:061
23357993227,3cyclictest25-21ksoftirqd/121:12:151
23357993226,4cyclictest25-21ksoftirqd/122:50:251
23357993226,4cyclictest25-21ksoftirqd/121:20:441
2335699329,3cyclictest26385-21date23:34:590
23356993228,3cyclictest9-21ksoftirqd/023:53:210
23356993227,3cyclictest9-21ksoftirqd/023:09:590
23356993227,3cyclictest9-21ksoftirqd/020:35:580
23356993227,3cyclictest9-21ksoftirqd/020:19:130
23356993227,3cyclictest9-21ksoftirqd/000:04:180
23356993226,4cyclictest9-21ksoftirqd/023:55:190
23356993226,4cyclictest9-21ksoftirqd/023:27:150
23356993226,4cyclictest9-21ksoftirqd/022:56:270
23356993226,4cyclictest9-21ksoftirqd/022:17:340
23356993226,4cyclictest9-21ksoftirqd/021:13:130
23356993226,4cyclictest9-21ksoftirqd/020:46:200
23356993226,4cyclictest9-21ksoftirqd/000:37:000
23356993226,3cyclictest9-21ksoftirqd/019:28:290
23356993226,3cyclictest9-21ksoftirqd/019:28:290
23356993225,5cyclictest9-21ksoftirqd/021:22:390
23356993211,4cyclictest23857-21seq00:31:370
50798310,1rtkit-daemon506-21rtkit-daemon21:25:211
23359993126,3cyclictest41-21ksoftirqd/323:59:523
23359993126,3cyclictest41-21ksoftirqd/319:27:383
23359993126,3cyclictest41-21ksoftirqd/319:27:383
23359993125,4cyclictest41-21ksoftirqd/323:38:533
23359993125,4cyclictest41-21ksoftirqd/321:13:123
23359993125,4cyclictest41-21ksoftirqd/321:00:563
23359993125,4cyclictest41-21ksoftirqd/320:42:553
23359993125,4cyclictest41-21ksoftirqd/319:17:463
23359993124,4cyclictest41-21ksoftirqd/320:00:553
2335899314,6cyclictest33-21ksoftirqd/220:40:162
23358993125,4cyclictest33-21ksoftirqd/220:01:382
2335899311,7cyclictest29298-21ps21:30:182
2335899311,11cyclictest10254-21awk19:45:212
23357993126,3cyclictest25-21ksoftirqd/122:58:121
23357993126,3cyclictest25-21ksoftirqd/121:41:201
23357993126,3cyclictest25-21ksoftirqd/121:09:561
23357993126,3cyclictest25-21ksoftirqd/120:55:101
23357993126,3cyclictest25-21ksoftirqd/100:07:491
23357993125,4cyclictest25-21ksoftirqd/123:34:151
23357993125,4cyclictest25-21ksoftirqd/121:18:471
23357993125,4cyclictest25-21ksoftirqd/120:26:351
23357993125,4cyclictest25-21ksoftirqd/120:19:501
23357993125,4cyclictest25-21ksoftirqd/119:13:431
2335699318,4cyclictest28970-21df_abs19:20:110
23356993126,3cyclictest9-21ksoftirqd/022:20:280
23356993126,3cyclictest9-21ksoftirqd/021:51:470
23356993126,3cyclictest9-21ksoftirqd/021:51:470
23356993125,4cyclictest9-21ksoftirqd/023:45:570
23356993125,4cyclictest9-21ksoftirqd/023:12:100
23356993125,4cyclictest9-21ksoftirqd/022:25:100
23356993115,14cyclictest30629-21users20:25:260
23356993113,3cyclictest11426-21latency_hist23:04:590
23356993111,3cyclictest16741-21smartctl22:10:160
23356993110,3cyclictest1675-21ls19:30:120
23359993025,3cyclictest41-21ksoftirqd/322:13:073
23359993025,3cyclictest41-21ksoftirqd/320:29:313
23359993024,4cyclictest41-21ksoftirqd/323:01:593
23359993024,4cyclictest41-21ksoftirqd/320:35:093
23359993024,4cyclictest41-21ksoftirqd/320:15:273
23358993025,3cyclictest33-21ksoftirqd/221:24:482
23357993025,3cyclictest25-21ksoftirqd/122:37:501
23357993025,3cyclictest25-21ksoftirqd/100:29:021
23357993025,3cyclictest25-21ksoftirqd/100:24:251
23357993024,4cyclictest25-21ksoftirqd/123:43:501
23357993024,4cyclictest25-21ksoftirqd/123:43:501
23357993024,4cyclictest25-21ksoftirqd/122:33:251
23357993024,4cyclictest25-21ksoftirqd/122:14:431
23357993024,4cyclictest25-21ksoftirqd/121:47:241
23357993023,5cyclictest25-21ksoftirqd/120:08:231
23357993023,5cyclictest25-21ksoftirqd/120:08:231
2335699309,3cyclictest14080-21grep19:55:130
23356993025,3cyclictest9-21ksoftirqd/022:47:440
23356993025,3cyclictest9-21ksoftirqd/020:52:130
23356993025,3cyclictest9-21ksoftirqd/020:02:280
23356993024,4cyclictest9-21ksoftirqd/022:51:290
23356993024,3cyclictest9-21ksoftirqd/023:35:050
23356993013,3cyclictest14824-21memory21:00:220
138491300,0ptp4l401ktimersoftd/323:47:123
138491300,0ptp4l401ktimersoftd/323:05:253
138491300,0ptp4l401ktimersoftd/322:09:183
138491300,0ptp4l401ktimersoftd/321:33:383
138491300,0ptp4l401ktimersoftd/321:15:503
138491300,0ptp4l401ktimersoftd/320:32:483
138491300,0ptp4l401ktimersoftd/300:14:413
23359992923,4cyclictest41-21ksoftirqd/323:20:013
23358992923,4cyclictest33-21ksoftirqd/223:50:522
23358992923,4cyclictest33-21ksoftirqd/223:40:292
23358992923,4cyclictest33-21ksoftirqd/223:40:292
23358992923,4cyclictest33-21ksoftirqd/223:22:472
23358992923,4cyclictest33-21ksoftirqd/221:48:212
23358992923,4cyclictest33-21ksoftirqd/221:40:392
23358992923,4cyclictest33-21ksoftirqd/200:02:452
23357992924,3cyclictest25-21ksoftirqd/123:25:281
23357992924,3cyclictest25-21ksoftirqd/121:54:291
23357992924,3cyclictest25-21ksoftirqd/121:54:291
23357992924,3cyclictest25-21ksoftirqd/120:40:001
23357992923,3cyclictest25-21ksoftirqd/122:15:021
23356992924,3cyclictest9-21ksoftirqd/020:44:340
138491290,0ptp4l401ktimersoftd/322:25:443
138491290,0ptp4l401ktimersoftd/321:56:323
23358992823,3cyclictest33-21ksoftirqd/222:18:502
23358992823,3cyclictest33-21ksoftirqd/221:06:092
23357992823,3cyclictest25-21ksoftirqd/120:03:361
23357992822,4cyclictest25-21ksoftirqd/120:47:141
23356992810,3cyclictest31839-21sh20:30:150
138491280,0ptp4l401ktimersoftd/323:51:103
23359992721,4cyclictest41-21ksoftirqd/322:41:163
23359992721,4cyclictest41-21ksoftirqd/322:30:113
23359992721,4cyclictest41-21ksoftirqd/320:12:583
2335899274,4cyclictest33-21ksoftirqd/200:30:142
23358992722,3cyclictest33-21ksoftirqd/219:38:512
23357992722,3cyclictest25-21ksoftirqd/120:51:191
23357992722,3cyclictest25-21ksoftirqd/119:54:351
23357992721,4cyclictest25-21ksoftirqd/119:33:411
23357992721,4cyclictest25-21ksoftirqd/119:21:171
23357992720,5cyclictest25-21ksoftirqd/100:38:161
23356992722,3cyclictest9-21ksoftirqd/021:59:100
23356992722,3cyclictest9-21ksoftirqd/020:06:210
23356992722,3cyclictest9-21ksoftirqd/020:06:210
23358992621,3cyclictest33-21ksoftirqd/219:27:492
23358992621,3cyclictest33-21ksoftirqd/219:27:492
23357992621,3cyclictest25-21ksoftirqd/122:02:081
23357992621,3cyclictest25-21ksoftirqd/100:00:031
23356992620,4cyclictest9-21ksoftirqd/019:37:050
23358992519,4cyclictest33-21ksoftirqd/220:25:332
23356992520,3cyclictest9-21ksoftirqd/019:12:100
23359992418,4cyclictest41-21ksoftirqd/320:51:053
23359992417,5cyclictest41-21ksoftirqd/322:39:093
23358992419,3cyclictest33-21ksoftirqd/200:11:202
2335899241,11cyclictest19001-21taskset21:10:142
23357992418,4cyclictest25-21ksoftirqd/120:14:411
138491240,0ptp4l401ktimersoftd/300:05:273
2335899230,8cyclictest22679-21ls21:15:242
23357992318,3cyclictest25-21ksoftirqd/100:31:111
23357992217,3cyclictest25-21ksoftirqd/119:49:491
23356992217,3cyclictest9-21ksoftirqd/022:38:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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