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2026-02-25 - 17:40
[ 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 Wed Feb 25, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29356219413,110sleep029422-21timerwakeupswit07:03:120
29426213613,80sleep129518-21unixbench_multi07:03:141
29980991203,93cyclictest26370-21apt-get09:41:471
29068210811,68sleep229099-21awk07:03:022
299719910237,23cyclictest12090-21sh11:06:420
299719910121,52cyclictest1403-21ssh09:53:130
29980999967,22cyclictest11354-21kworker/u18:0+flush-179:007:37:171
29980999840,36cyclictest6696-21ntpq07:31:511
29988999674,15cyclictest22609-21apt-key08:21:272
29971999546,12cyclictest8891-21ssh09:11:590
29971999223,24cyclictest15646-21/usr/sbin/munin11:11:570
29971999223,24cyclictest15646-21/usr/sbin/munin11:11:570
29971999020,19cyclictest0-21swapper/009:19:060
29980998963,17cyclictest277-21dbus-daemon11:56:231
29980998963,17cyclictest277-21dbus-daemon11:56:231
29971998919,36cyclictest352-21runrttasks11:17:470
29971998919,23cyclictest5035-21ssh11:48:320
29980998867,15cyclictest5244-21sh09:06:401
29988998766,15cyclictest23283-21munin-run10:31:232
29980998758,9cyclictest181rcu_preempt10:48:371
29980998748,11cyclictest181rcu_preempt07:26:261
29980998748,11cyclictest181rcu_preempt07:26:261
29971998724,26cyclictest13525-21rm12:02:220
29971998724,26cyclictest13525-21rm12:02:220
29971998722,27cyclictest11577-21cron11:06:230
29971998722,27cyclictest11577-21cron11:06:230
29988998666,14cyclictest14608-21kernelversion09:21:502
29988998659,21cyclictest7907-21kworker/u19:3+nfsiod10:01:582
29980998632,21cyclictest0-21swapper/111:16:531
29971998621,28cyclictest28379-21ssh11:33:360
29980998549,14cyclictest181rcu_preempt07:27:071
29971998523,27cyclictest23728-21rm11:26:310
29971998519,27cyclictest7967-21taskset11:53:280
29971998519,27cyclictest7967-21taskset11:53:280
29980998455,15cyclictest181rcu_preempt08:06:571
29980998438,16cyclictest181rcu_preempt11:29:101
29971998423,29cyclictest22347-21ssh10:28:440
29971998423,22cyclictest31980-21sh12:34:220
29971998421,23cyclictest27720-21ssh09:42:430
29971998420,29cyclictest20601-21ssh12:15:440
29971998419,27cyclictest7642-21ssh10:04:020
29971998419,24cyclictest31322-21rm09:49:280
29971998419,24cyclictest31322-21rm09:49:280
29971998419,18cyclictest6578-21ssh09:07:450
29971998417,20cyclictest7462-21chrt07:35:300
29971998415,44cyclictest25688-21kworker/u17:1+rpciod09:35:380
29980998360,15cyclictest425-21acpi11:41:341
29980998333,13cyclictest181rcu_preempt09:01:491
29971998323,18cyclictest11410-21cron10:11:230
29971998323,18cyclictest11410-21cron10:11:230
29971998322,19cyclictest7984-21ssh10:59:330
29971998321,23cyclictest14717-21ssh10:16:330
29971998321,20cyclictest30900-21taskset08:46:360
29971998320,26cyclictest25836-21ssh12:23:420
29971998320,26cyclictest23637-21ssh12:20:530
29971998318,20cyclictest19676-21snmpd09:23:210
29971998316,18cyclictest32212-21taskset07:11:420
125112830,7sleep30-21swapper/312:01:443
125112830,7sleep30-21swapper/312:01:443
29980998256,10cyclictest10803-21ssh10:09:391
29980998256,10cyclictest10803-21ssh10:09:391
29971998224,22cyclictest9152-21unixbench_singl07:39:010
29971998224,19cyclictest30972-21ssh11:37:280
29971998222,23cyclictest1400-21runrttasks07:16:390
29971998222,23cyclictest1400-21runrttasks07:16:390
29971998221,26cyclictest28959-21sh10:40:400
29971998220,26cyclictest29509-21ssh10:41:320
29971998220,26cyclictest2655-21ssh11:45:110
29971998220,21cyclictest17710-21seq08:06:280
29971998220,19cyclictest14127-21seq07:55:220
29971998219,23cyclictest19021-21ssh10:22:410
29971998218,24cyclictest5710-21taskset07:28:340
29971998217,26cyclictest3253-21taskset09:01:230
29988998115,38cyclictest7624-21seq09:10:452
29980998160,13cyclictest29962-21cyclictest07:46:271
29980998154,17cyclictest8170-21/usr/sbin/munin09:11:551
29980998137,12cyclictest181rcu_preempt10:26:501
29980998132,8cyclictest181rcu_preempt12:35:231
29971998122,20cyclictest32508-21runrttasks10:46:350
29971998121,21cyclictest17495-21seq08:06:240
29971998121,19cyclictest18361-21ssh09:27:180
29971998121,19cyclictest18361-21ssh09:27:180
29971998120,23cyclictest11169-21ssh11:59:060
29971998120,20cyclictest22501-21ssh11:23:420
29971998120,20cyclictest22501-21ssh11:23:420
29971998119,20cyclictest4118-21seq07:23:470
29971998119,20cyclictest4118-21seq07:23:470
29988998062,11cyclictest200-21systemd-journal12:18:322
29988998060,9cyclictest0-21swapper/207:11:252
29988998060,14cyclictest23502-21sh09:36:482
29988998059,15cyclictest15885-21unixbench_multi11:11:592
29988998059,15cyclictest15885-21unixbench_multi11:11:592
29980998057,8cyclictest181rcu_preempt09:56:451
29980998055,8cyclictest181rcu_preempt12:13:221
29980998049,14cyclictest181rcu_preempt07:11:341
29971998022,24cyclictest15447-21runrttasks12:06:430
29971998020,20cyclictest14233-21taskset10:15:570
29971998019,26cyclictest4821-21ssh09:59:230
29971998016,27cyclictest0-21swapper/010:32:280
29988997963,11cyclictest29962-21cyclictest11:42:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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