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2026-02-19 - 17:42
[ 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 Thu Feb 19, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2457991213,69cyclictest13167-21apt-get09:12:091
209721086,18sleep20-21swapper/207:03:522
185421089,69sleep11936-21/usr/sbin/munin07:02:331
2631421010,7sleep1291rcuc/109:33:271
2468999753,19cyclictest39-21ksoftirqd/208:17:022
245799974,41cyclictest20915-21latency_hist08:01:491
2457999638,12cyclictest0-21swapper/107:36:491
2457999543,15cyclictest10761-21ssh09:07:211
245799953,35cyclictest22136-21ls11:17:221
245799932,44cyclictest21748-21processes08:02:201
245799892,48cyclictest5589-21tail07:12:251
2451998934,26cyclictest15-21ksoftirqd/012:33:050
12602889,56sleep30-21swapper/307:02:143
2468998768,13cyclictest277-21dbus-daemon11:51:482
245799873,58cyclictest719-21ssh11:37:061
245799873,34cyclictest21303-21ssh12:11:501
245799873,34cyclictest21303-21ssh12:11:501
245799867,41cyclictest6682-21apt-get08:57:021
245799867,41cyclictest6682-21apt-get08:57:021
2468998536,18cyclictest181rcu_preempt10:57:212
2457998560,19cyclictest4627-21fschecks_time09:52:101
245799853,51cyclictest9565-21apt-get11:52:041
2451998528,30cyclictest15-21ksoftirqd/008:21:500
2468998463,15cyclictest13505-21timerandwakeup11:02:232
2468998463,15cyclictest13505-21timerandwakeup11:02:232
2468998462,16cyclictest7947-21apt-key07:21:512
2468998462,16cyclictest7947-21apt-key07:21:512
2468998447,9cyclictest181rcu_preempt09:17:172
245799842,43cyclictest200-21systemd-journal10:17:061
2468998342,10cyclictest181rcu_preempt07:36:472
2457998332,15cyclictest0-21swapper/109:42:011
2451998326,26cyclictest15-21ksoftirqd/010:17:200
247899812,43cyclictest0-21swapper/309:12:093
2468998166,9cyclictest15354-21cat12:01:502
2468998166,9cyclictest15354-21cat12:01:502
2468998160,15cyclictest9524-21latency_hist10:56:492
2468998160,15cyclictest9524-21latency_hist10:56:492
2451998159,15cyclictest7288-21sh09:57:010
2451998158,8cyclictest181rcu_preempt11:07:220
2451998143,11cyclictest181rcu_preempt08:01:270
2451998129,25cyclictest15-21ksoftirqd/007:47:200
2451998129,25cyclictest15-21ksoftirqd/007:47:200
2451998124,26cyclictest15-21ksoftirqd/012:00:100
2451998124,26cyclictest15-21ksoftirqd/012:00:100
2468998061,13cyclictest20990-21kworker/u17:4+ext4-rsv-conversion11:37:302
2457998059,12cyclictest297-21systemd-logind08:46:481
245799802,39cyclictest10062-21rm10:57:091
2451998050,9cyclictest181rcu_preempt10:40:100
2468997926,13cyclictest0-21swapper/208:21:592
2457997955,15cyclictest16371-21ssh12:02:591
2457997947,10cyclictest181rcu_preempt07:37:161
245199793,29cyclictest21550-21apt-get12:12:040
245199793,29cyclictest21550-21apt-get12:12:040
2451997925,20cyclictest15-21ksoftirqd/010:47:210
2468997850,21cyclictest22412-21interrupts12:13:352
2468997850,21cyclictest22412-21interrupts12:13:352
2457997858,14cyclictest26190-21fschecks_count08:17:091
2457997854,16cyclictest0-21swapper/111:57:191
2457997854,16cyclictest0-21swapper/111:57:191
245199784,44cyclictest15-21ksoftirqd/009:24:160
245199784,32cyclictest15-21ksoftirqd/009:32:150
2468997752,16cyclictest32055-21ssh10:38:262
245799776,40cyclictest28028-21apt-get09:37:001
2457997715,30cyclictest9646-21diskmemload10:42:091
2457997715,30cyclictest9646-21diskmemload10:42:091
2451997757,13cyclictest20777-21sh11:16:090
2451997737,17cyclictest181rcu_preempt09:40:300
2468997633,33cyclictest9458-21kworker/u19:0+nfsiod10:12:152
2457997657,12cyclictest10051-21kworker/u19:1+flush-179:012:12:021
2457997657,12cyclictest10051-21kworker/u19:1+flush-179:012:12:021
245799762,38cyclictest6553-21fschecks_time07:17:091
245799762,38cyclictest6553-21fschecks_time07:17:091
128927613,30sleep00-21swapper/007:02:150
2468997553,9cyclictest181rcu_preempt07:41:502
2457997550,18cyclictest18943-21latency_hist10:16:501
2457997549,19cyclictest9295-21apt-key11:51:511
2451997543,13cyclictest181rcu_preempt11:51:300
247899743,35cyclictest15215-21chrt11:06:473
247899743,35cyclictest15215-21chrt11:06:473
2468997459,9cyclictest18379-21ntp_kernel_pll_07:52:132
2468997431,33cyclictest19051-21kworker/u19:1+nfsiod10:42:212
2468997431,33cyclictest19051-21kworker/u19:1+nfsiod10:42:212
2457997444,20cyclictest24225-21acpi11:21:591
245199747,33cyclictest15-21ksoftirqd/007:17:020
245199747,33cyclictest15-21ksoftirqd/007:17:020
2451997455,12cyclictest352-21runrttasks07:31:570
2451997437,12cyclictest181rcu_preempt09:54:580
322092732,20sleep232233-21latency_hist08:36:492
2468997345,9cyclictest181rcu_preempt09:02:042
245799732,51cyclictest30981-21fschecks_count08:32:081
245199736,36cyclictest15-21ksoftirqd/009:27:000
245199736,36cyclictest15-21ksoftirqd/009:27:000
2451997352,15cyclictest32720-21apt-key11:36:500
2468997258,9cyclictest2099-21ntp_kernel_pll_08:42:162
2468997255,12cyclictest7117-21latency_hist09:56:502
2468997251,12cyclictest24028-21ssh09:30:162
2468997251,12cyclictest24028-21ssh09:30:162
2468997247,8cyclictest181rcu_preempt09:32:532
246899722,45cyclictest14361-21grep09:12:442
2457997236,10cyclictest181rcu_preempt08:07:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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