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2026-03-02 - 02:23
[ 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 Sun Mar 01, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69339912374,44cyclictest0-21swapper/011:46:310
5915212111,79sleep15929-21/usr/sbin/munin07:01:411
69339910895,9cyclictest8163-21kworker/u18:3+flush-179:012:01:400
69339910895,9cyclictest8163-21kworker/u18:3+flush-179:012:01:400
69339910859,42cyclictest544-21cron09:56:490
69339910769,11cyclictest314-21ssh12:16:100
69339910769,11cyclictest314-21ssh12:16:100
6944999921,54cyclictest4573-21apt-get10:36:261
6944999921,54cyclictest4573-21apt-get10:36:261
693399983,86cyclictest32139-21apt-get09:36:230
695599976,71cyclictest13876-21ssh10:51:282
693399976,72cyclictest19447-21kworker/u19:1+ext4-rsv-conversion10:26:240
693399942,50cyclictest14922-21tail07:26:430
693399942,50cyclictest14922-21tail07:26:430
694499933,73cyclictest19098-21apt-get07:41:391
694499923,62cyclictest23916-21apt-get12:01:371
694499923,62cyclictest23916-21apt-get12:01:371
6955998962,8cyclictest181rcu_preempt10:36:112
6944998959,21cyclictest30394-21sendmail08:16:081
6944998959,21cyclictest30394-21sendmail08:16:081
6955998830,27cyclictest39-21ksoftirqd/210:28:252
694499873,70cyclictest13810-21apt-get10:51:261
6933998759,20cyclictest28834-21latency_hist08:11:100
695599863,37cyclictest39-21ksoftirqd/208:13:012
695599863,37cyclictest39-21ksoftirqd/208:13:012
6955998631,14cyclictest181rcu_preempt08:06:292
6933998667,13cyclictest297-21systemd-logind08:16:090
6933998667,13cyclictest297-21systemd-logind08:16:090
6933998665,15cyclictest10855-21sendmail08:56:080
6933998663,15cyclictest23845-21latency_hist07:56:110
6933998662,17cyclictest11108-21sshd10:46:350
6933998662,16cyclictest8574-21switchtime08:46:410
6944998554,19cyclictest22268-21latency_hist07:51:111
6933998565,14cyclictest7811-21latency_hist08:46:110
6944998460,16cyclictest14266-21fschecks_time07:26:291
6944998460,16cyclictest14266-21fschecks_time07:26:291
694499842,70cyclictest31299-21kworker/u17:2+ext4-rsv-conversion11:46:221
6933998461,17cyclictest23075-21sh11:06:290
6933998461,17cyclictest23075-21sh11:06:290
6933998440,28cyclictest181rcu_preempt10:56:430
6962998312,51cyclictest0-21swapper/310:36:243
6962998312,51cyclictest0-21swapper/310:36:243
6944998360,16cyclictest30263-21apt-key10:26:081
6944998327,27cyclictest0-21swapper/110:46:321
6944998260,15cyclictest26719-21fschecks_time09:26:281
6944998256,19cyclictest14083-21diskmemload10:41:231
6944998225,28cyclictest15818-21runrttasks10:01:291
6944998225,28cyclictest15818-21runrttasks10:01:291
6944998225,24cyclictest2387-21taskset09:39:361
6933998246,9cyclictest181rcu_preempt09:01:320
693399818,58cyclictest13810-21apt-get10:51:280
6933998133,27cyclictest181rcu_preempt08:31:410
693399812,45cyclictest6691-21ls09:46:320
695599803,35cyclictest39-21ksoftirqd/208:36:582
6944998027,20cyclictest14083-21diskmemload12:33:051
6944998021,22cyclictest22548-21ssh11:06:081
6944998015,24cyclictest3857-21ssh10:35:441
6933998063,11cyclictest803-21sendmail-mta12:06:240
6933998043,17cyclictest181rcu_preempt11:58:330
6955997957,12cyclictest22512-21munin-plugin-st11:06:072
6955997914,36cyclictest39-21ksoftirqd/208:58:382
6955997914,36cyclictest39-21ksoftirqd/208:58:382
6933997948,20cyclictest10075-21grep07:11:460
693399793,54cyclictest32504-21ssh09:36:120
693399793,54cyclictest32504-21ssh09:36:120
693399793,43cyclictest2182-21latency_hist11:26:090
693399792,66cyclictest1154-21apt08:26:070
6955997862,10cyclictest200-21systemd-journal12:14:232
6955997862,10cyclictest200-21systemd-journal12:14:232
6955997855,9cyclictest181rcu_preempt11:36:452
695599783,48cyclictest39-21ksoftirqd/211:13:582
6955997828,21cyclictest39-21ksoftirqd/211:51:482
6944997836,28cyclictest20447-21apt-get09:16:191
6944997823,28cyclictest0-21swapper/107:36:151
6933997847,13cyclictest181rcu_preempt10:01:220
6933997847,13cyclictest181rcu_preempt10:01:220
6933997846,14cyclictest181rcu_preempt10:37:120
6933997846,14cyclictest181rcu_preempt10:37:120
6933997831,8cyclictest181rcu_preempt07:36:190
6933997818,25cyclictest15-21ksoftirqd/007:16:290
695599778,50cyclictest4573-21apt-get10:36:242
695599778,50cyclictest4573-21apt-get10:36:242
6955997764,9cyclictest6924-21cyclictest12:02:432
6955997764,9cyclictest6924-21cyclictest12:02:432
6955997757,14cyclictest24447-21latency_hist10:16:112
6955997757,14cyclictest24447-21latency_hist10:16:112
6955997752,16cyclictest20213-21sh09:16:102
6955997746,22cyclictest14530-21ssh09:06:242
6955997746,22cyclictest14530-21ssh09:06:242
695599773,35cyclictest14083-21diskmemload09:46:112
6944997762,9cyclictest11989-21ssh09:56:081
6944997723,22cyclictest19676-21snmpd11:29:041
6933997758,13cyclictest6924-21cyclictest11:19:220
6933997758,13cyclictest6924-21cyclictest11:19:220
6933997756,13cyclictest1277-21ssh12:16:400
6933997752,14cyclictest0-21swapper/010:36:090
693399774,35cyclictest5335-21latency_hist11:31:110
6933997735,23cyclictest181rcu_preempt07:46:420
693399773,42cyclictest22077-21awk10:11:340
693399773,42cyclictest22077-21awk10:11:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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