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2026-01-26 - 22:44
[ 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 Mon Jan 26, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
429121440,45sleep14296-21modprobe07:08:221
4462991134,69cyclictest19807-21apt-get07:53:371
44629911190,15cyclictest200-21systemd-journal11:35:591
44629910735,50cyclictest181rcu_preempt09:58:411
435721028,64sleep04441-21cyclictest07:08:260
4462991015,71cyclictest10711-21apt-get09:03:371
4462991013,74cyclictest23084-21apt-get12:08:421
44629910069,22cyclictest28712-21ssh12:18:221
134222990,6sleep30-21swapper/310:03:493
4451999862,10cyclictest0-21swapper/007:58:450
4451999736,24cyclictest0-21swapper/007:38:340
4451999734,23cyclictest0-21swapper/009:33:240
4468999370,12cyclictest0-21swapper/208:03:252
4451999170,10cyclictest0-21swapper/010:23:250
4451999170,10cyclictest0-21swapper/010:23:250
4451999071,10cyclictest0-21swapper/009:04:550
4451999056,26cyclictest0-21swapper/010:48:530
4451999056,26cyclictest0-21swapper/010:48:530
4468998968,9cyclictest0-21swapper/209:18:502
4462998847,15cyclictest13020-21wc07:33:261
4451998870,11cyclictest277-21dbus-daemon10:13:230
4468998768,10cyclictest0-21swapper/211:28:242
4462998766,15cyclictest4441-21cyclictest09:08:451
446299875,51cyclictest3471-21cron09:48:221
4451998768,10cyclictest0-21swapper/008:04:030
4468998670,9cyclictest0-21swapper/212:28:472
4468998670,9cyclictest0-21swapper/212:28:472
4468998564,9cyclictest0-21swapper/208:53:442
4468998564,9cyclictest0-21swapper/208:53:442
4462998561,16cyclictest297-21systemd-logind07:48:231
4468998464,10cyclictest0-21swapper/207:13:252
4468998464,10cyclictest0-21swapper/207:13:252
4451998462,12cyclictest0-21swapper/008:23:420
4451998446,31cyclictest9044-21unixbench_singl11:43:580
4451998446,31cyclictest9044-21unixbench_singl11:43:580
4468998366,11cyclictest12062-21diskmemload09:23:482
4468998363,14cyclictest26177-21sshd12:13:382
4468998349,25cyclictest8000-21modprobe07:18:222
446299833,42cyclictest4878-21sed09:49:001
446299833,42cyclictest4878-21sed09:49:001
4451998362,15cyclictest298-21in:imuxsock10:32:250
35252836,53sleep23553-21ps07:04:042
4468998263,11cyclictest0-21swapper/208:04:032
4468998260,16cyclictest8498-21sh11:43:482
4468998260,16cyclictest8498-21sh11:43:482
4462998252,22cyclictest4280-21cut08:43:441
4451998261,10cyclictest0-21swapper/007:53:260
4451998261,10cyclictest0-21swapper/007:53:260
4468998166,8cyclictest0-21swapper/210:58:592
4468998166,8cyclictest0-21swapper/207:44:002
4468998164,12cyclictest4441-21cyclictest12:08:092
4468998163,9cyclictest0-21swapper/210:53:362
4468998148,8cyclictest181rcu_preempt10:32:082
4462998110,48cyclictest30847-21apt-get10:33:411
4451998159,16cyclictest13610-21idleruntime-cro11:53:210
4468998064,9cyclictest0-21swapper/207:58:252
4468997962,10cyclictest7149-21ssh10:48:242
4468997960,13cyclictest17499-21ntp_kernel_pll_11:58:502
4468997960,10cyclictest0-21swapper/208:33:402
4468997954,18cyclictest7627-21fschecks_time10:48:462
4468997954,18cyclictest7627-21fschecks_time10:48:462
4462997958,15cyclictest15592-21sh10:08:221
4462997953,20cyclictest8207-21fschecks_count11:43:421
4462997953,20cyclictest8207-21fschecks_count11:43:421
4462997942,12cyclictest0-21swapper/111:58:491
4451997964,8cyclictest0-21swapper/010:38:550
4451997964,8cyclictest0-21swapper/010:38:550
4451997945,30cyclictest3785-21kworker/u18:0-nfsiod09:10:210
4451997913,35cyclictest181rcu_preempt10:03:450
4468997863,9cyclictest0-21swapper/207:18:542
4468997861,11cyclictest15675-21ssh10:08:252
4468997858,10cyclictest0-21swapper/212:23:242
4468997858,10cyclictest0-21swapper/212:23:242
4468997849,19cyclictest10434-21apt-key09:03:252
4468997849,19cyclictest10434-21apt-key09:03:252
4468997845,7cyclictest181rcu_preempt08:46:332
4462997855,17cyclictest1899-21sh10:38:501
4462997855,17cyclictest1899-21sh10:38:501
4462997854,17cyclictest31764-21entropy08:28:431
4451997859,14cyclictest170-21jbd2/mmcblk2p2-811:08:550
4451997820,35cyclictest6549-21sh11:40:110
4468997762,8cyclictest0-21swapper/207:28:572
4468997759,8cyclictest0-21swapper/210:38:562
4468997759,8cyclictest0-21swapper/210:38:562
4468997752,16cyclictest0-21swapper/211:13:452
4468997750,18cyclictest5602-21/usr/sbin/munin08:48:562
4468997729,13cyclictest181rcu_preempt12:09:582
4462997751,17cyclictest10666-21threads07:23:581
446299772,37cyclictest16191-21seq07:43:241
4462997711,50cyclictest6171-21ls07:13:261
4462997711,50cyclictest6171-21ls07:13:261
4451997753,18cyclictest22548-21latency_hist12:08:240
4468997619,11cyclictest31562-21grep11:28:462
446299769,43cyclictest27318-21cron10:28:211
4462997652,13cyclictest0-21swapper/112:03:391
4462997637,16cyclictest181rcu_preempt10:10:371
4462997631,11cyclictest181rcu_preempt08:08:261
4451997660,10cyclictest0-21swapper/010:23:380
4451997656,14cyclictest28375-21/usr/sbin/munin08:18:520
4451997656,14cyclictest28375-21/usr/sbin/munin08:18:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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