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2026-01-23 - 10:25
[ 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 Fri Jan 23, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2997999612,16cyclictest11621-21cat19:40:012
134491610,4ptp4l0-21swapper/223:51:442
2997999608,7cyclictest16561-21grep22:05:312
2997999607,51cyclictest0-21swapper/222:15:292
134491600,4ptp4l0-21swapper/022:30:340
134491600,3ptp4l0-21swapper/120:35:311
134491600,3ptp4l0-21swapper/019:55:220
134491580,4ptp4l0-21swapper/320:35:183
134491580,3ptp4l0-21swapper/220:50:202
134491580,3ptp4l0-21swapper/119:42:351
134491580,2ptp4l0-21swapper/221:40:372
2997999578,7cyclictest0-21swapper/222:00:242
134491570,3ptp4l0-21swapper/200:05:202
2997999568,6cyclictest0-21swapper/222:30:262
2997999567,6cyclictest0-21swapper/219:10:212
134491560,5ptp4l0-21swapper/019:05:060
134491560,3ptp4l0-21swapper/200:15:152
2997999557,6cyclictest0-21swapper/223:05:242
29979995549,4cyclictest28867-21df_abs21:25:172
134491550,4ptp4l0-21swapper/121:30:041
134491550,13ptp4l0-21swapper/119:56:521
2997999546,6cyclictest31298-21date23:50:002
2997999546,6cyclictest0-21swapper/222:50:182
2997999546,6cyclictest0-21swapper/222:50:182
2997999533,6cyclictest22171-21egrep23:30:112
19362530,4sleep12997899cyclictest23:55:181
134491530,4ptp4l0-21swapper/321:09:553
134491530,4ptp4l0-21swapper/200:28:422
134491530,3ptp4l0-21swapper/321:59:403
47782520,1sleep24781-21cpuspeed_turbos19:25:132
134491520,4ptp4l2997899cyclictest20:47:331
134491520,4ptp4l0-21swapper/323:08:033
134491520,4ptp4l0-21swapper/321:02:223
134491520,4ptp4l0-21swapper/320:32:583
134491520,4ptp4l0-21swapper/300:35:233
134491520,3ptp4l0-21swapper/323:25:183
134491520,3ptp4l0-21swapper/322:15:403
2997999517,6cyclictest0-21swapper/220:25:272
2997999512,24cyclictest0-21swapper/222:24:152
134491510,4ptp4l0-21swapper/323:14:483
2997999503,7cyclictest0-21swapper/200:00:152
2997999503,45cyclictest0-21swapper/200:35:292
2997999502,6cyclictest33-21ksoftirqd/219:20:152
2997999502,5cyclictest0-21swapper/222:40:212
134491500,4ptp4l0-21swapper/320:52:443
134491500,4ptp4l0-21swapper/123:30:271
2997999498,6cyclictest0-21swapper/221:45:272
2997999498,6cyclictest0-21swapper/221:45:272
2997999497,6cyclictest0-21swapper/222:55:122
2997999497,11cyclictest0-21swapper/221:35:172
2997999494,6cyclictest0-21swapper/220:35:202
137891491,26phc2sys9-21ksoftirqd/023:26:360
134491490,4ptp4l0-21swapper/323:32:003
134491490,4ptp4l0-21swapper/321:45:143
134491490,4ptp4l0-21swapper/321:45:143
134491490,4ptp4l0-21swapper/320:24:483
2997999487,6cyclictest0-21swapper/219:50:192
2997999485,6cyclictest0-21swapper/219:30:132
2997999482,6cyclictest0-21swapper/220:30:162
2997999481,16cyclictest30519-21grep20:20:172
134491480,8ptp4l0-21swapper/321:51:523
134491480,4ptp4l0-21swapper/100:02:211
134491480,3ptp4l0-21swapper/322:28:563
134491480,13ptp4l11824-21vmstat21:55:302
2997999476,7cyclictest0-21swapper/223:55:172
2997999476,6cyclictest0-21swapper/223:20:262
2997999476,6cyclictest0-21swapper/220:10:322
2997999475,11cyclictest29877-21taskset20:16:122
2997999472,7cyclictest9504-21users20:40:312
134491470,4ptp4l121rcu_preempt22:55:103
134491470,4ptp4l101ktimersoftd/020:35:280
134491470,4ptp4l0-21swapper/320:07:093
134491470,4ptp4l0-21swapper/319:46:113
134491470,4ptp4l0-21swapper/319:46:113
134491470,4ptp4l0-21swapper/200:22:002
134491470,3ptp4l0-21swapper/322:00:213
134491470,3ptp4l0-21swapper/321:13:473
134491470,10ptp4l9-21ksoftirqd/021:45:170
134491470,10ptp4l9-21ksoftirqd/021:45:170
2997999466,6cyclictest0-21swapper/219:17:062
2997999466,5cyclictest0-21swapper/223:35:172
2997999465,6cyclictest0-21swapper/223:00:202
134491460,9ptp4l0-21swapper/021:41:370
134491460,4ptp4l0-21swapper/300:34:013
134491460,2ptp4l0-21swapper/021:34:500
134491460,11ptp4l0-21swapper/121:40:211
2997999457,6cyclictest0-21swapper/221:30:272
2997999457,6cyclictest0-21swapper/220:07:172
2997999457,11cyclictest0-21swapper/220:00:252
134491450,9ptp4l0-21swapper/020:49:060
134491450,6ptp4l0-21swapper/200:30:042
134491450,3ptp4l121rcu_preempt00:16:201
134491450,3ptp4l0-21swapper/021:05:370
2997999444,5cyclictest0-21swapper/221:00:192
134491440,9ptp4l0-21swapper/022:56:130
134491440,7ptp4l0-21swapper/000:00:160
134491440,6ptp4l0-21swapper/121:05:121
134491440,5ptp4l0-21swapper/019:35:120
134491440,4ptp4l0-21swapper/300:14:003
134491440,4ptp4l0-21swapper/222:46:512
134491440,4ptp4l0-21swapper/219:42:562
134491440,3ptp4l9-21ksoftirqd/023:42:040
134491440,3ptp4l26570-21memory20:10:240
134491440,3ptp4l0-21swapper/323:00:183
134491440,10ptp4l0-21swapper/123:53:301
2997999434,6cyclictest0-21swapper/222:10:172
134491430,9ptp4l0-21swapper/022:11:250
134491430,5ptp4l5994-21python19:25:250
134491430,5ptp4l28554-21perl20:15:171
134491430,5ptp4l1804-21meminfo21:35:201
134491430,5ptp4l0-21swapper/321:25:143
134491430,5ptp4l0-21swapper/222:25:132
134491430,5ptp4l0-21swapper/121:10:181
134491430,4ptp4l3195-21irqstats19:20:181
134491430,4ptp4l29660-21iostat_ios23:45:170
134491430,4ptp4l17956-21ls19:50:253
134491430,4ptp4l0-21swapper/121:15:171
134491430,4ptp4l0-21swapper/120:14:481
134491430,3ptp4l18690-21apt-get19:55:122
134491430,10ptp4l0-21swapper/123:44:271
134491420,9ptp4l0-21swapper/019:22:520
134491420,7ptp4l12845-21latency_hist23:10:000
134491420,5ptp4l22336-21hddtemp_smartct22:20:163
134491420,5ptp4l18952-21users22:10:281
134491420,5ptp4l0-21swapper/319:55:123
134491420,5ptp4l0-21swapper/119:30:191
134491420,5ptp4l0-21swapper/020:52:470
134491420,5ptp4l0-21swapper/020:05:160
134491420,4ptp4l25418-21meminfo23:35:200
134491420,4ptp4l22234-21iostat_ios21:10:190
134491420,4ptp4l12307-21users23:05:281
134491420,4ptp4l0-21swapper/119:50:191
134491420,4ptp4l0-21swapper/022:45:280
134491420,3ptp4l12458-21apt-get22:00:140
29980994136,3cyclictest41-21ksoftirqd/320:20:003
2997899412,37cyclictest26975-21kworker/1:219:19:081
134491410,5ptp4l4271-21iostat22:50:180
134491410,5ptp4l4271-21iostat22:50:180
134491410,5ptp4l0-21swapper/322:50:123
134491410,5ptp4l0-21swapper/322:50:123
134491410,5ptp4l0-21swapper/320:40:223
134491410,5ptp4l0-21swapper/319:40:113
134491410,5ptp4l0-21swapper/023:32:010
134491410,5ptp4l0-21swapper/022:35:270
134491410,5ptp4l0-21swapper/022:15:230
134491410,5ptp4l0-21swapper/000:10:180
134491410,4ptp4l9774-21diskstats19:35:141
134491410,4ptp4l9-21ksoftirqd/019:40:280
134491410,4ptp4l7818-21/usr/sbin/munin20:40:240
134491410,4ptp4l32650-21/usr/sbin/munin22:40:230
134491410,4ptp4l25263-21irqstats22:25:200
134491410,4ptp4l24919-21meminfo21:15:232
134491410,4ptp4l2333-21apt-get19:20:113
134491410,4ptp4l22127-21ntp_states20:00:233
134491410,4ptp4l0-21swapper/323:40:203
134491410,4ptp4l0-21swapper/322:35:223
134491410,4ptp4l0-21swapper/322:32:523
134491410,4ptp4l0-21swapper/321:15:203
134491410,4ptp4l0-21swapper/319:10:253
134491410,4ptp4l0-21swapper/122:55:131
134491410,4ptp4l0-21swapper/122:33:581
134491410,4ptp4l0-21swapper/122:20:201
134491410,4ptp4l0-21swapper/121:00:151
134491410,4ptp4l0-21swapper/120:57:241
134491410,4ptp4l0-21swapper/023:20:110
134491410,4ptp4l0-21swapper/022:07:050
134491410,4ptp4l0-21swapper/021:36:430
134491410,4ptp4l0-21swapper/021:00:200
134491410,4ptp4l0-21swapper/020:30:210
134491410,4ptp4l0-21swapper/019:31:170
134491410,3ptp4l32015-21ntp_states21:30:243
134491410,3ptp4l25360-21ls22:25:201
134491410,3ptp4l23317-21apt-get20:05:131
134491410,3ptp4l20980-21ntp_states23:25:232
134491410,3ptp4l1272-21apt-get22:45:123
134491410,3ptp4l0-21swapper/023:04:560
134491410,3ptp4l0-21swapper/021:25:420
2997999406,6cyclictest0-21swapper/221:24:582
2997899401,37cyclictest7634-21kworker/1:221:50:581
134491400,5ptp4l22543-21sed22:20:190
134491400,5ptp4l0-21swapper/300:26:343
134491400,5ptp4l0-21swapper/223:15:132
134491400,5ptp4l0-21swapper/219:45:182
134491400,5ptp4l0-21swapper/219:45:182
134491400,5ptp4l0-21swapper/021:55:210
134491400,4ptp4l9734-21/usr/sbin/munin00:10:242
134491400,4ptp4l4823-21ntp_states22:50:221
134491400,4ptp4l4823-21ntp_states22:50:221
134491400,4ptp4l31603-21df22:40:121
134491400,4ptp4l30671-21ls23:45:273
134491400,4ptp4l14025-21/usr/sbin/munin23:10:210
134491400,4ptp4l1301-21snmpd22:05:163
134491400,4ptp4l0-21swapper/323:15:143
134491400,4ptp4l0-21swapper/322:40:143
134491400,4ptp4l0-21swapper/321:35:223
134491400,4ptp4l0-21swapper/320:59:013
134491400,4ptp4l0-21swapper/320:45:213
134491400,4ptp4l0-21swapper/320:25:133
134491400,4ptp4l0-21swapper/319:37:013
134491400,4ptp4l0-21swapper/300:23:283
134491400,4ptp4l0-21swapper/300:05:273
134491400,4ptp4l0-21swapper/223:11:422
134491400,4ptp4l0-21swapper/221:52:122
134491400,4ptp4l0-21swapper/123:00:241
134491400,4ptp4l0-21swapper/121:26:521
134491400,4ptp4l0-21swapper/121:20:141
134491400,4ptp4l0-21swapper/120:52:291
134491400,4ptp4l0-21swapper/120:40:291
134491400,4ptp4l0-21swapper/120:31:341
134491400,4ptp4l0-21swapper/120:25:201
134491400,4ptp4l0-21swapper/120:21:121
134491400,4ptp4l0-21swapper/120:00:051
134491400,4ptp4l0-21swapper/119:10:171
134491400,4ptp4l0-21swapper/119:05:001
134491400,4ptp4l0-21swapper/100:35:161
134491400,4ptp4l0-21swapper/100:20:191
134491400,4ptp4l0-21swapper/100:05:121
134491400,4ptp4l0-21swapper/023:53:130
134491400,4ptp4l0-21swapper/023:18:100
134491400,4ptp4l0-21swapper/021:50:570
134491400,4ptp4l0-21swapper/021:24:260
134491400,4ptp4l0-21swapper/021:16:200
134491400,4ptp4l0-21swapper/020:20:460
134491400,4ptp4l0-21swapper/020:17:290
134491400,4ptp4l0-21swapper/020:00:100
134491400,4ptp4l0-21swapper/019:51:460
134491400,4ptp4l0-21swapper/019:16:130
134491400,4ptp4l0-21swapper/019:11:200
134491400,4ptp4l0-21swapper/000:35:100
134491400,4ptp4l0-21swapper/000:30:350
134491400,4ptp4l0-21swapper/000:25:520
134491400,3ptp4l7162-21ntp_states00:05:240
134491400,3ptp4l626-21df_inode20:25:160
134491400,3ptp4l30820-21apt-get22:36:372
134491400,3ptp4l25421-21memory23:35:211
134491400,3ptp4l24467-21apt-get23:35:123
134491400,3ptp4l18827-21irqstats00:30:221
134491400,3ptp4l17565-21apt-get23:20:121
134491400,3ptp4l1500-21df22:45:141
134491400,3ptp4l14282-21ntp_states00:20:250
134491400,2ptp4l18216-21ls22:10:193
2997999392,26cyclictest0-21swapper/221:10:162
2997999392,23cyclictest0-21swapper/220:45:182
134491390,5ptp4l0-21swapper/220:55:232
134491390,5ptp4l0-21swapper/023:55:280
134491390,5ptp4l0-21swapper/019:45:260
134491390,5ptp4l0-21swapper/019:45:260
134491390,4ptp4l13200-21sed23:10:131
134491390,4ptp4l0-21swapper/323:50:223
134491390,4ptp4l0-21swapper/323:20:223
134491390,4ptp4l0-21swapper/321:20:433
134491390,4ptp4l0-21swapper/319:30:203
134491390,4ptp4l0-21swapper/319:26:183
134491390,4ptp4l0-21swapper/300:02:363
134491390,4ptp4l0-21swapper/223:40:152
134491390,4ptp4l0-21swapper/123:45:061
134491390,4ptp4l0-21swapper/123:28:081
134491390,4ptp4l0-21swapper/122:00:121
134491390,4ptp4l0-21swapper/121:59:161
134491390,4ptp4l0-21swapper/121:45:031
134491390,4ptp4l0-21swapper/121:45:031
134491390,4ptp4l0-21swapper/119:45:151
134491390,4ptp4l0-21swapper/119:45:151
134491390,4ptp4l0-21swapper/119:25:191
134491390,4ptp4l0-21swapper/100:26:541
134491390,4ptp4l0-21swapper/100:12:521
134491390,4ptp4l0-21swapper/000:16:250
134491390,3ptp4l27189-21ls20:10:293
134491390,3ptp4l1301-21snmpd21:40:113
134491390,3ptp4l0-21swapper/323:57:503
134491390,3ptp4l0-21swapper/020:59:150
134491390,2ptp4l30069-21strings22:35:201
134491380,4ptp4l0-21swapper/300:15:173
134491380,4ptp4l0-21swapper/221:05:472
134491380,4ptp4l0-21swapper/123:17:471
134491380,4ptp4l0-21swapper/122:15:151
134491380,3ptp4l0-21swapper/319:15:273
134491380,3ptp4l0-21swapper/122:05:101
276302173,7sleep227640-21apt-get19:05:132
272732142,7sleep30-21swapper/319:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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