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2026-02-20 - 20:33
[ 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 Fri Feb 20, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491770,30ptp4l29400-21mailstats07:05:232
30407997212,19cyclictest21396-21latency_hist08:00:001
134491700,5ptp4l0-21swapper/110:19:591
3040799671,27cyclictest2318-21gnome-shell11:15:591
3040799670,23cyclictest11082-21phc2sys-jitter07:35:231
3040799660,29cyclictest7679-21df_inode07:30:141
3040799660,24cyclictest22282-21cut08:00:191
134491610,6ptp4l6000-21/usr/sbin/munin09:45:122
134491610,5ptp4l0-21swapper/210:30:202
3040799600,21cyclictest6581-21timerandwakeup07:25:261
134491600,5ptp4l0-21swapper/107:08:531
134491590,5ptp4l0-21swapper/212:12:092
134491590,3ptp4l0-21swapper/208:15:302
3040799570,24cyclictest14214-21chrt07:41:451
134491570,4ptp4l0-21swapper/311:41:353
134491570,4ptp4l0-21swapper/208:35:222
3040799560,28cyclictest10407-21ssh12:10:241
134491560,4ptp4l0-21swapper/311:10:583
134491560,4ptp4l0-21swapper/210:45:242
134491560,3ptp4l0-21swapper/307:41:163
3040799550,25cyclictest6349-21seq12:04:131
134491550,4ptp4l0-21swapper/311:52:533
134491550,4ptp4l0-21swapper/308:18:293
134491550,4ptp4l0-21swapper/208:34:562
134491550,3ptp4l0-21swapper/211:15:062
134491550,3ptp4l0-21swapper/210:19:142
3040799541,25cyclictest6006-21seq10:52:481
3040799540,31cyclictest11826-21ssh08:45:251
3040799540,25cyclictest31407-21seq11:48:001
3040799540,25cyclictest12897-21seq11:07:201
3040799540,24cyclictest12358-21seq09:56:151
3040799540,20cyclictest26067-21phc2sys-jitter11:35:221
134491540,5ptp4l0-21swapper/009:35:220
134491540,4ptp4l0-21swapper/312:27:273
134491540,4ptp4l0-21swapper/310:13:393
134491540,4ptp4l0-21swapper/307:55:013
134491540,3ptp4l0-21swapper/312:05:163
134491540,3ptp4l0-21swapper/308:00:183
134491540,11ptp4l28064-21apt-get07:05:110
3040799531,21cyclictest21231-21df_inode12:35:131
3040799530,24cyclictest32347-21seq07:13:201
134491530,4ptp4l0-21swapper/311:00:383
134491530,3ptp4l0-21swapper/311:35:113
134491530,3ptp4l0-21swapper/210:40:262
3040799521,27cyclictest16419-21df_inode12:25:131
3040799520,28cyclictest16457-21seq07:45:571
134491520,5ptp4l0-21swapper/208:50:372
134491520,4ptp4l0-21swapper/311:57:593
134491520,4ptp4l0-21swapper/311:29:563
134491520,4ptp4l0-21swapper/209:50:192
134491520,4ptp4l0-21swapper/209:34:462
134491520,4ptp4l0-21swapper/209:34:462
134491520,4ptp4l0-21swapper/209:23:202
134491520,4ptp4l0-21swapper/008:28:480
134491520,4ptp4l0-21swapper/007:39:320
134491520,3ptp4l0-21swapper/310:41:383
134491520,2ptp4l20279-21/usr/sbin/munin11:25:150
134491520,11ptp4l0-21swapper/307:25:243
3040799513,23cyclictest0-21swapper/109:30:161
3040799513,23cyclictest0-21swapper/109:30:161
3040799512,20cyclictest0-21swapper/111:51:241
3040799511,26cyclictest20333-21seq12:30:361
3040799510,23cyclictest8383-21seq10:58:461
134491510,4ptp4l0-21swapper/310:21:463
134491510,4ptp4l0-21swapper/309:49:033
134491510,4ptp4l0-21swapper/307:11:203
134491510,4ptp4l0-21swapper/209:43:512
134491510,4ptp4l0-21swapper/011:18:450
134491510,4ptp4l0-21swapper/009:18:030
134491510,4ptp4l0-21swapper/009:08:540
134491510,3ptp4l0-21swapper/308:40:253
134491510,3ptp4l0-21swapper/212:20:162
42822500,5sleep10-21swapper/112:00:001
30408995014,6cyclictest33-21ksoftirqd/211:25:002
3040799502,20cyclictest0-21swapper/111:31:551
3040799501,25cyclictest4783-21runrttasks07:24:271
3040799500,24cyclictest31143-21taskset10:37:381
3040799500,24cyclictest28555-21seq08:14:501
134491500,9ptp4l0-21swapper/307:05:213
134491500,4ptp4l0-21swapper/212:04:282
134491500,4ptp4l0-21swapper/211:13:582
134491500,4ptp4l0-21swapper/210:22:362
134491500,4ptp4l0-21swapper/210:11:042
134491500,4ptp4l0-21swapper/209:11:212
134491500,4ptp4l0-21swapper/208:25:582
134491500,4ptp4l0-21swapper/010:58:070
134491500,3ptp4l0-21swapper/210:05:592
3040899493,2cyclictest121rcu_preempt09:18:592
3040799490,26cyclictest19813-21seq11:22:121
134491490,8ptp4l0-21swapper/210:55:352
134491490,5ptp4l0-21swapper/211:55:202
134491490,4ptp4l0-21swapper/310:16:383
134491490,4ptp4l0-21swapper/309:37:203
134491490,4ptp4l0-21swapper/307:52:233
134491490,4ptp4l0-21swapper/207:40:432
30407994811,26cyclictest7789-21seq08:39:371
3040799480,29cyclictest134491ptp4l09:15:181
134491480,4ptp4l0-21swapper/310:59:183
134491480,4ptp4l0-21swapper/310:27:363
134491480,4ptp4l0-21swapper/308:54:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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