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2026-03-08 - 10:05
[ 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 08, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147359912160,11cyclictest0-21swapper/222:55:582
13713210913,66sleep013229-21/usr/sbin/munin19:01:170
13713210913,66sleep013229-21/usr/sbin/munin19:01:170
142592946,17sleep20-21swapper/219:01:392
142592946,17sleep20-21swapper/219:01:392
14735999161,9cyclictest181rcu_preempt00:21:032
14722999171,9cyclictest14710-21cyclictest23:01:260
109892910,4sleep1301ktimers/100:21:171
67022900,8sleep30-21swapper/322:26:223
67022900,8sleep30-21swapper/322:26:223
1473599906,62cyclictest26734-21apt-get23:01:002
1456728915,45sleep114604-21awk19:05:421
1456728915,45sleep114604-21awk19:05:421
14735998841,24cyclictest16493-21munin-node21:28:552
14735998756,7cyclictest181rcu_preempt20:02:232
1473599872,61cyclictest6706-21ssh23:21:332
14730998712,65cyclictest9185-21apt-get20:26:071
1473099863,64cyclictest4182-21taskset00:11:051
14730998623,33cyclictest0-21swapper/123:01:281
14735998535,9cyclictest181rcu_preempt00:30:432
14735998535,9cyclictest181rcu_preempt00:30:432
1473099853,53cyclictest19115-21sort20:56:041
14735998466,11cyclictest0-21swapper/200:11:012
14735998343,14cyclictest181rcu_preempt22:39:012
14735998343,14cyclictest181rcu_preempt22:39:012
14735998330,23cyclictest0-21swapper/223:30:222
14730998369,8cyclictest0-21swapper/121:01:041
14722998360,15cyclictest18693-21idleruntime-cro00:35:400
14730998258,18cyclictest17780-21fschecks_count22:46:031
14730998234,18cyclictest13250-21kworker/u19:0-ext4-rsv-conversion21:55:451
1473099822,55cyclictest6804-21cstates23:21:361
14722998265,11cyclictest28534-21systemd-run22:10:420
14722998265,10cyclictest0-21swapper/023:15:540
14722998265,10cyclictest0-21swapper/023:15:540
14735998161,13cyclictest14710-21cyclictest22:16:462
14735998160,11cyclictest0-21swapper/221:36:152
14730998161,11cyclictest0-21swapper/122:21:041
14730998156,16cyclictest28099-21ssh23:56:171
14730998148,8cyclictest181rcu_preempt21:20:441
14722998167,10cyclictest14710-21cyclictest20:10:410
14735998048,23cyclictest58-21kcompactd019:26:172
14735998048,23cyclictest58-21kcompactd019:26:172
14722998064,10cyclictest14307-21latency21:46:080
14722998061,13cyclictest16225-21cron19:10:410
14722998057,10cyclictest14710-21cyclictest21:15:450
14722998057,10cyclictest14710-21cyclictest21:15:450
1472299803,42cyclictest32084-21grep21:21:140
14735997940,16cyclictest58-21kcompactd022:32:222
14735997938,8cyclictest181rcu_preempt20:15:572
14735997938,8cyclictest181rcu_preempt20:15:572
14735997937,13cyclictest181rcu_preempt00:06:192
14735997937,13cyclictest181rcu_preempt00:06:192
14730997953,7cyclictest181rcu_preempt23:51:581
14730997953,7cyclictest181rcu_preempt23:51:581
14730997953,14cyclictest0-21swapper/123:26:051
14730997950,11cyclictest181rcu_preempt22:42:471
14722997963,12cyclictest14710-21cyclictest23:48:130
14722997963,12cyclictest14710-21cyclictest23:48:130
14722997952,21cyclictest352-21runrttasks22:05:440
14722997945,28cyclictest14710-21cyclictest22:55:410
1472299793,43cyclictest22931-21mailstats21:06:160
14735997846,22cyclictest12124-21modprobe20:35:412
14735997828,13cyclictest181rcu_preempt22:50:442
1473099782,42cyclictest15252-21irqstats19:06:121
14722997861,11cyclictest21854-21diskmemload23:59:160
14722997855,17cyclictest11143-21fschecks_time21:41:020
14722997855,17cyclictest11143-21fschecks_time21:41:020
14735997754,17cyclictest486-21apt-key20:00:442
14735997751,7cyclictest181rcu_preempt20:06:002
14735997747,21cyclictest25413-21grep23:51:192
14735997747,21cyclictest25413-21grep23:51:192
14735997739,18cyclictest28900-21mailstats19:46:152
14730997746,10cyclictest181rcu_preempt21:56:181
14722997754,16cyclictest9013-21latency_hist20:25:450
14735997655,10cyclictest0-21swapper/222:41:042
14735997637,18cyclictest16366-21kworker/u17:3-ext4-rsv-conversion22:15:452
14735997627,24cyclictest0-21swapper/219:54:272
14730997657,13cyclictest25905-21kworker/u17:0-rpciod23:40:301
14730997657,13cyclictest25905-21kworker/u17:0-rpciod23:40:301
14730997652,16cyclictest25560-21latency_hist22:05:441
14730997652,15cyclictest277-21dbus-daemon21:15:431
14730997652,15cyclictest277-21dbus-daemon21:15:431
14722997662,9cyclictest14710-21cyclictest21:51:010
1472299764,45cyclictest15-21ksoftirqd/023:24:040
1472299763,35cyclictest15-21ksoftirqd/020:46:050
14735997558,9cyclictest0-21swapper/221:43:552
14735997558,9cyclictest0-21swapper/221:43:552
14735997550,15cyclictest0-21swapper/220:46:032
14735997531,20cyclictest0-21swapper/200:03:392
14735997531,20cyclictest0-21swapper/200:03:392
1473099753,32cyclictest14032-21apt-get20:40:591
14730997527,19cyclictest0-21swapper/119:16:051
14722997561,10cyclictest14710-21cyclictest22:56:410
14722997559,10cyclictest24719-21ssh23:51:060
14722997559,10cyclictest24719-21ssh23:51:060
14722997559,10cyclictest11249-21idleruntime-cro22:35:410
1472299755,56cyclictest15-21ksoftirqd/022:28:550
1472299755,56cyclictest15-21ksoftirqd/022:28:550
14722997552,16cyclictest0-21swapper/000:15:550
14722997551,17cyclictest370-21idleruntime-cro20:00:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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