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2026-01-13 - 21:50
[ 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 Tue Jan 13, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25381219620,24sleep225370-21munin-run07:09:142
25497991143,58cyclictest29690-21kworker/u17:0+ext4-rsv-conversion09:49:330
2400021136,17sleep00-21swapper/007:04:240
533621110,7sleep15335-21ssh10:14:311
255019910856,45cyclictest20870-21latency_hist12:29:171
255019910856,45cyclictest20870-21latency_hist12:29:171
255019910340,13cyclictest0-21swapper/109:29:481
25501991007,57cyclictest22629-21apt-get09:49:311
2550199982,42cyclictest21213-21grep08:34:491
2550199982,42cyclictest21213-21grep08:34:491
25497999819,52cyclictest3282-21taskset11:59:220
25501999744,13cyclictest352-21runrttasks07:44:461
25497999769,20cyclictest11233-21latency_hist08:04:160
2550199963,36cyclictest21423-21apt-get12:29:301
25497999679,11cyclictest3134-21ssh11:04:320
25497999679,11cyclictest3134-21ssh11:04:320
25504999551,38cyclictest29689-21latency_hist11:49:172
2550199954,39cyclictest3971-21find07:39:481
25501999313,36cyclictest4834-21sh10:14:051
25501999248,10cyclictest24898-21grep11:39:521
25504999169,16cyclictest31657-21/usr/sbin/munin10:04:382
25504999169,16cyclictest31657-21/usr/sbin/munin10:04:382
2550499914,65cyclictest22695-21ssh09:49:342
2550499913,25cyclictest2483-21fschecks_count10:09:352
25501999166,17cyclictest25484-21cyclictest08:14:171
2550199914,35cyclictest30247-21fschecks_count09:04:351
2550199912,31cyclictest352-21runrttasks11:56:481
2550499904,37cyclictest4322-21grep07:39:522
2550499903,44cyclictest516-21ssh10:59:482
2550199902,42cyclictest31875-21tail07:24:501
2549799904,53cyclictest15-21ksoftirqd/008:51:570
2549799904,53cyclictest15-21ksoftirqd/008:51:570
2549799904,47cyclictest15-21ksoftirqd/010:28:300
25504998936,48cyclictest3100-21kworker/u17:1+events_unbound10:29:132
2464528910,52sleep124687-21/usr/sbin/munin07:04:581
2550199884,41cyclictest6939-21proc_pri12:04:441
2550199884,41cyclictest6939-21proc_pri12:04:441
2550499875,36cyclictest20262-21/usr/sbin/munin10:39:412
25504998745,33cyclictest0-21swapper/210:49:512
2550499874,36cyclictest11442-21unixbench_singl09:29:512
2550499872,28cyclictest30348-21grep10:54:492
2550199874,37cyclictest8370-21cstates10:19:301
2550499864,37cyclictest6931-21ssh12:04:442
2550499864,37cyclictest6931-21ssh12:04:442
2550499863,36cyclictest6817-21modprobe10:16:132
2550499862,28cyclictest14326-21timerwakeupswit09:34:502
25501998667,12cyclictest29458-21latency_hist11:49:131
2549799863,38cyclictest15-21ksoftirqd/012:21:510
25504998562,16cyclictest15008-21munin-plugin-st08:19:132
2550499854,37cyclictest12314-21cpuspeed12:14:292
25504998540,37cyclictest0-21swapper/212:24:122
2550499853,24cyclictest2451-21expr09:14:302
2550499852,27cyclictest12056-21latency_hist12:14:152
2550499852,26cyclictest19252-21latency08:30:302
2550499852,26cyclictest19252-21latency08:30:302
2550199854,35cyclictest16137-21timerandwakeup12:19:491
2550499844,36cyclictest1971-21latency_hist09:14:162
2550499844,36cyclictest1971-21latency_hist09:14:162
2550499844,34cyclictest8152-21/usr/sbin/munin07:54:442
2550499843,38cyclictest19676-21snmpd10:29:292
2550499843,26cyclictest3063-21munin-run07:39:132
2550499843,26cyclictest3063-21munin-run07:39:132
2550499843,26cyclictest28327-21find07:14:482
2550499843,24cyclictest23880-21grep11:39:302
2550499842,26cyclictest22088-21runrttasks08:39:322
2550499842,26cyclictest22088-21runrttasks08:39:322
25504998411,24cyclictest9221-21fschecks_time11:14:352
25501998448,12cyclictest181rcu_preempt12:36:041
2549799846,35cyclictest15-21ksoftirqd/010:33:480
2550499838,9cyclictest0-21swapper/208:54:482
25504998362,15cyclictest20037-21latency_hist10:39:152
25504998361,14cyclictest0-21swapper/211:09:482
2550499834,36cyclictest30043-21/usr/sbin/munin09:04:362
25504998339,37cyclictest23548-21sh11:39:152
2550499833,38cyclictest352-21runrttasks08:53:252
2550499833,38cyclictest352-21runrttasks08:53:252
2550499833,25cyclictest7513-21head07:49:492
2550499832,34cyclictest4249-21ssh11:05:332
2550499832,34cyclictest4249-21ssh11:05:332
2550499832,32cyclictest87-21kswapd012:30:212
25497998356,19cyclictest31413-21diskmemload10:45:270
25497998356,19cyclictest31413-21diskmemload10:45:270
2549799835,44cyclictest15-21ksoftirqd/010:43:410
2549799834,46cyclictest15-21ksoftirqd/008:45:300
2549799834,46cyclictest15-21ksoftirqd/008:45:300
25504998234,40cyclictest0-21swapper/211:59:502
2550499823,36cyclictest30382-21ntp_offset11:49:422
2550499823,33cyclictest25616-21/usr/sbin/munin09:54:492
2550499823,28cyclictest9366-21seq10:19:532
2550499823,24cyclictest25880-21fschecks_count07:09:362
2550499823,24cyclictest25880-21fschecks_count07:09:362
2550499823,24cyclictest12688-21/usr/sbin/munin11:19:492
25504998210,12cyclictest0-21swapper/210:02:302
25501998256,20cyclictest10072-21fschecks_time07:59:361
2549799826,53cyclictest0-21swapper/009:24:130
25497998256,20cyclictest22028-21fschecks_time12:30:440
2549799825,31cyclictest15-21ksoftirqd/010:14:450
2549799823,46cyclictest15-21ksoftirqd/011:01:500
2550499814,34cyclictest352-21runrttasks12:36:102
25504998134,40cyclictest0-21swapper/211:54:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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