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2026-03-06 - 07:41
[ 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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot7.osadl.org (updated Fri Mar 06, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23748214517,94sleep10-21swapper/119:01:311
23748214517,94sleep10-21swapper/119:01:311
24855999566,19cyclictest22752-21kworker/u18:0+events_unbound19:45:492
24855999566,19cyclictest22752-21kworker/u18:0+events_unbound19:45:492
24855999364,21cyclictest18564-21apt-key00:20:512
244382936,16sleep20-21swapper/219:04:412
244382936,16sleep20-21swapper/219:04:412
24855999267,17cyclictest9122-21systemd-run23:10:492
24855999066,17cyclictest32762-21timerandwakeup19:26:242
24855998765,14cyclictest8906-21kworker/u17:2-xprtiod22:51:172
24855998765,14cyclictest8906-21kworker/u17:2-xprtiod22:51:172
24834998749,7cyclictest181rcu_preempt22:16:141
24803998770,10cyclictest23956-21systemctl23:35:490
24834998543,9cyclictest181rcu_preempt19:25:521
24803998560,20cyclictest24779-21cyclictest21:23:070
24803998469,9cyclictest17948-21rm21:36:160
24803998469,9cyclictest17948-21rm21:36:160
24803998465,13cyclictest9811-21sh22:16:210
24855998331,16cyclictest181rcu_preempt22:11:062
24834998341,13cyclictest181rcu_preempt19:07:351
24834998341,13cyclictest181rcu_preempt19:07:351
24834998339,8cyclictest181rcu_preempt22:14:041
24855998254,20cyclictest20735-21latency_hist21:40:542
24855998254,20cyclictest20735-21latency_hist21:40:542
24855998235,20cyclictest181rcu_preempt19:36:062
24803998267,9cyclictest27401-21apt-key23:40:540
24855998156,9cyclictest181rcu_preempt21:35:322
24855998154,9cyclictest181rcu_preempt22:06:292
24834998137,10cyclictest181rcu_preempt22:21:051
24834998137,10cyclictest181rcu_preempt22:21:051
24803998157,19cyclictest16543-21ssh00:16:250
2480399813,53cyclictest15-21ksoftirqd/020:26:290
2485599808,57cyclictest27469-21apt-get23:41:142
24855998045,13cyclictest181rcu_preempt21:16:282
24855998045,13cyclictest181rcu_preempt21:16:282
24834998059,14cyclictest20394-21runrttasks23:29:111
24803998064,9cyclictest21014-21ssh23:30:500
2321228012,38sleep00-21swapper/019:01:090
2321228012,38sleep00-21swapper/019:01:090
24855997939,21cyclictest18391-21timerwakeupswit20:21:262
24855997931,21cyclictest0-21swapper/222:19:252
24834997910,50cyclictest19044-21runrttasks00:21:091
24803997957,16cyclictest25289-21diskmemload00:31:130
24803997957,16cyclictest25289-21diskmemload00:31:130
24803997944,22cyclictest15-21ksoftirqd/021:46:550
24803997944,22cyclictest15-21ksoftirqd/021:46:550
2480399793,45cyclictest15-21ksoftirqd/022:21:280
2480399793,45cyclictest15-21ksoftirqd/022:21:280
24855997853,9cyclictest181rcu_preempt20:16:172
24855997851,8cyclictest181rcu_preempt19:11:292
24855997848,8cyclictest181rcu_preempt23:54:382
24855997848,8cyclictest181rcu_preempt23:54:382
24855997842,10cyclictest181rcu_preempt23:36:062
24855997842,10cyclictest181rcu_preempt23:36:062
24834997856,14cyclictest20085-21unixbench_singl20:26:271
24834997830,12cyclictest181rcu_preempt23:02:141
24834997830,12cyclictest181rcu_preempt23:02:141
24803997863,11cyclictest24779-21cyclictest23:46:380
24803997856,15cyclictest9546-21cut00:05:510
24803997856,15cyclictest9546-21cut00:05:510
24803997821,28cyclictest15-21ksoftirqd/021:35:320
24855997759,13cyclictest23130-21timerandwakeup20:36:242
24855997759,13cyclictest23130-21timerandwakeup20:36:242
24855997753,8cyclictest39-21ksoftirqd/220:26:152
24855997732,18cyclictest0-21swapper/219:47:282
24855997725,27cyclictest32629-21kworker/u18:0-events_unbound21:12:132
24834997754,16cyclictest544-21cron22:45:491
24834997751,13cyclictest31-21ksoftirqd/121:57:541
24834997751,13cyclictest31-21ksoftirqd/121:57:541
24834997711,45cyclictest27469-21apt-get23:41:171
24803997761,10cyclictest24779-21cyclictest22:39:040
24803997761,10cyclictest24779-21cyclictest22:39:040
24803997760,12cyclictest24779-21cyclictest23:21:290
24803997758,13cyclictest2420-21latency_hist21:10:520
24803997746,25cyclictest1064-21latency22:56:300
2480399773,52cyclictest15-21ksoftirqd/020:21:100
24855997655,8cyclictest181rcu_preempt22:26:252
24855997651,13cyclictest0-21swapper/219:35:572
24855997648,19cyclictest600-21timerwakeupswit21:06:252
24855997641,13cyclictest181rcu_preempt23:46:262
24834997659,11cyclictest9831-21/usr/sbin/munin00:06:121
24834997641,9cyclictest31-21ksoftirqd/123:11:081
24834997640,7cyclictest181rcu_preempt20:32:161
24803997661,9cyclictest6666-21fschecks_count23:06:110
2480399763,58cyclictest15-21ksoftirqd/019:45:490
2480399763,58cyclictest15-21ksoftirqd/019:45:490
2480399763,42cyclictest15-21ksoftirqd/000:22:360
2480399763,33cyclictest15-21ksoftirqd/023:11:010
2480399762,40cyclictest15-21ksoftirqd/023:51:180
2480399762,40cyclictest15-21ksoftirqd/023:51:180
24855997558,9cyclictest18951-21kworker/u18:3+events_unbound21:30:492
24855997556,9cyclictest0-21swapper/200:25:512
24855997553,9cyclictest181rcu_preempt22:40:402
24855997553,9cyclictest181rcu_preempt22:40:402
24834997559,10cyclictest15506-21if_err_eth022:26:131
24834997556,10cyclictest0-21swapper/119:20:491
24834997540,10cyclictest15751-21ssh23:21:161
24803997560,9cyclictest4254-21rm21:12:500
24803997560,10cyclictest24779-21cyclictest21:59:180
24803997560,10cyclictest24779-21cyclictest21:59:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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