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2026-02-01 - 20:22
[ 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 Feb 01, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266629911971,40cyclictest5245-21switchtime11:53:352
26660991143,84cyclictest352-21runrttasks09:23:331
266629910733,12cyclictest0-21swapper/211:06:072
266629910733,12cyclictest0-21swapper/211:06:072
266629910345,49cyclictest0-21swapper/212:03:022
266629910345,49cyclictest0-21swapper/212:03:022
26662991023,43cyclictest24454-21sort08:38:172
26662991023,43cyclictest24454-21sort08:38:172
266629910218,36cyclictest13770-21switchtime08:03:322
266629910218,36cyclictest13770-21switchtime08:03:322
26660991023,70cyclictest3135-21apt-get07:33:151
26660991023,70cyclictest3135-21apt-get07:33:151
26662991014,36cyclictest13666-21/usr/sbin/munin12:08:272
26662991013,39cyclictest21135-21idleruntime10:33:212
266559910134,27cyclictest29837-21rm11:40:550
266559910134,27cyclictest29837-21rm11:40:550
266559910131,45cyclictest10493-21sh11:08:320
266629910035,13cyclictest0-21swapper/207:08:032
26662991003,42cyclictest23808-21ssh10:38:092
26662991003,42cyclictest23808-21ssh10:38:092
26662991003,37cyclictest22559-21latency_hist12:23:012
266559910059,21cyclictest10691-21apt-get12:03:150
266559910039,25cyclictest12634-21apt-get11:13:090
266559910039,25cyclictest12634-21apt-get11:13:090
266559910034,40cyclictest21912-21taskset11:28:140
2666299994,36cyclictest3444-21fschecks_time07:34:082
2666299994,36cyclictest3444-21fschecks_time07:34:082
2666299993,43cyclictest4983-21fschecks_time09:13:212
2666299993,43cyclictest4983-21fschecks_time09:13:212
2666299993,39cyclictest352-21runrttasks10:51:232
26655999966,20cyclictest11554-21apt-get10:18:100
26655999932,26cyclictest27060-21ssh10:43:120
2666299983,40cyclictest11664-21ntp_kernel_pll_12:04:312
2666299983,37cyclictest16978-21fschecks_time12:13:202
26655999820,54cyclictest0-21swapper/009:08:220
2666299973,41cyclictest21248-21cstates08:28:152
2666299972,34cyclictest14827-21rm09:28:362
2666299972,34cyclictest14827-21rm09:28:362
2666099972,62cyclictest21911-21ssh11:28:141
26655999731,24cyclictest18727-21rm09:35:310
2666299963,42cyclictest22379-21sshd09:42:162
2651729613,53sleep126567-21modprobe07:07:591
2666299954,32cyclictest3970-21uniq10:58:212
2666299953,43cyclictest1493-21ssh10:53:322
26655999537,23cyclictest19923-21sort12:18:200
2666299944,80cyclictest27028-21/usr/sbin/munin10:44:242
26662999445,42cyclictest0-21swapper/210:28:212
2666299943,38cyclictest15231-21cstates10:24:082
2666299943,37cyclictest1493-21fschecks_count07:28:212
2666299943,36cyclictest10684-21latency_hist09:23:012
2666299943,36cyclictest10684-21latency_hist09:23:012
26655999437,20cyclictest16023-21idleruntime-cro08:12:580
26655999437,20cyclictest16023-21idleruntime-cro08:12:580
26655999434,24cyclictest4335-21rm10:05:330
26655999433,23cyclictest19366-21date08:23:010
26655999431,30cyclictest21094-21ssh10:33:200
2666299934,39cyclictest15410-21switchtime08:08:332
2666299934,39cyclictest15410-21switchtime08:08:332
26660999367,20cyclictest30422-21latency_hist07:18:021
26660999367,20cyclictest16145-21latency_hist08:13:011
26660999367,20cyclictest16145-21latency_hist08:13:011
26655999340,43cyclictest0-21swapper/008:13:110
26655999331,27cyclictest6861-21rm11:57:190
26655999330,27cyclictest2694-21rm10:56:160
26655999327,25cyclictest3463-21grep07:34:090
26655999327,25cyclictest3463-21grep07:34:090
26655999325,44cyclictest0-21swapper/011:47:590
2666299925,41cyclictest3145-21kworker/u18:2+ext4-rsv-conversion07:58:132
2666299925,41cyclictest3145-21kworker/u18:2+ext4-rsv-conversion07:58:132
2666299924,37cyclictest352-21runrttasks07:53:372
2666299924,37cyclictest352-21runrttasks07:53:372
2666299923,39cyclictest352-21runrttasks11:28:222
26655999254,27cyclictest32007-21ssh09:58:120
26655999235,23cyclictest30830-21/usr/sbin/munin08:58:340
26655999232,20cyclictest22089-21grep08:28:340
26655999230,27cyclictest3009-21rm11:49:540
26655999230,27cyclictest3009-21rm11:49:540
2666299914,40cyclictest8912-21diskmemload10:13:232
2666299914,36cyclictest352-21runrttasks09:54:162
26662999116,31cyclictest6330-21latency_hist07:43:022
26655999139,41cyclictest4760-21/usr/sbin/munin09:13:150
26655999139,41cyclictest4760-21/usr/sbin/munin09:13:150
26655999136,26cyclictest16211-21rm12:12:360
26655999134,25cyclictest23460-21/usr/sbin/munin09:43:240
26655999132,23cyclictest27498-21grep07:08:310
26655999132,23cyclictest11266-21latency_hist07:58:020
26655999132,23cyclictest11266-21latency_hist07:58:020
26655999131,28cyclictest0-21swapper/010:24:070
26655999131,27cyclictest26828-21timerandwakeup09:48:330
26660999065,19cyclictest26750-21unixbench_singl12:28:351
26655999030,23cyclictest0-21swapper/009:53:450
26655999029,24cyclictest352-21runrttasks11:27:330
26655999029,24cyclictest0-21swapper/009:40:480
26655999029,23cyclictest352-21runrttasks08:43:190
26655999029,23cyclictest352-21runrttasks08:43:190
26655999029,22cyclictest16001-21ssh11:18:220
26655999028,25cyclictest0-21swapper/009:30:450
26655999028,25cyclictest0-21swapper/009:30:450
26655999026,26cyclictest0-21swapper/011:02:450
2666299894,40cyclictest32758-21idleruntime09:03:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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