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2026-01-25 - 21:33
[ 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 Jan 25, 2026 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28585991122,33cyclictest10950-21taskset10:13:400
28585991122,33cyclictest10950-21taskset10:13:400
285859911217,60cyclictest0-21swapper/009:45:380
285859911217,60cyclictest0-21swapper/009:45:380
28585991073,43cyclictest12277-21ssh12:03:350
28585991073,43cyclictest12277-21ssh12:03:350
285859910714,26cyclictest4061-21grep11:49:000
28585991063,40cyclictest25841-21munin-plugin-st10:38:250
28585991053,17cyclictest15755-21unixbench_multi11:14:030
28585991053,17cyclictest15755-21unixbench_multi11:14:030
285859910512,21cyclictest28565-21sh12:29:140
285859910493,6cyclictest0-21swapper/012:18:440
28585991039,9cyclictest0-21swapper/010:08:390
28585991033,26cyclictest12144-21latency_hist12:03:280
28585991029,10cyclictest0-21swapper/011:30:280
28585991029,10cyclictest0-21swapper/011:30:280
28585991024,12cyclictest0-21swapper/008:43:410
28585991024,12cyclictest0-21swapper/008:43:410
28585991023,29cyclictest2464-21taskset09:03:410
28585991022,34cyclictest2594-21sed10:53:290
28585991013,27cyclictest3496-21sensors10:53:590
28585991013,27cyclictest3496-21sensors10:53:590
28585991012,30cyclictest3215-21latency_hist11:48:290
285859910114,21cyclictest8258-21sh11:56:300
285859910114,21cyclictest8258-21sh11:56:300
285859910045,49cyclictest1-21systemd07:18:280
28585991004,28cyclictest17935-21df11:18:440
28585991004,20cyclictest17240-21/usr/sbin/munin10:23:460
2858599993,35cyclictest8409-21modprobe11:03:250
28606999866,23cyclictest608-21apt-key08:58:302
28606999866,23cyclictest608-21apt-key08:58:302
2858599986,14cyclictest0-21swapper/009:29:330
2858599985,20cyclictest0-21swapper/007:18:480
2858599985,20cyclictest0-21swapper/007:18:480
28585999842,49cyclictest0-21swapper/007:29:030
28585999842,49cyclictest0-21swapper/007:29:030
2858599983,87cyclictest16340-21idleruntime-cro08:08:260
2858599983,30cyclictest352-21runrttasks11:06:340
2858599983,30cyclictest352-21runrttasks11:06:340
2858599983,28cyclictest21842-21grep11:24:030
2858599982,29cyclictest11197-21latency_hist07:53:300
2858599974,34cyclictest352-21runrttasks08:14:010
2858599974,34cyclictest352-21runrttasks08:14:010
2858599974,32cyclictest28576-21cyclictest07:08:300
2858599973,30cyclictest25495-21grep12:24:040
2858599973,30cyclictest25495-21grep12:24:040
2858599973,29cyclictest13699-21awk09:23:540
2858599973,24cyclictest15564-21cut12:08:470
28585999639,50cyclictest0-21swapper/011:08:490
2858599963,29cyclictest31206-21ssh12:34:010
2858599963,29cyclictest11542-21fschecks_time07:53:480
2858599963,25cyclictest21225-21unin-run08:23:270
2858599963,25cyclictest21225-21unin-run08:23:270
2858599962,37cyclictest22094-21modprobe09:38:260
2858599955,17cyclictest26311-21cstates10:38:430
2858599954,33cyclictest22631-21fschecks_count09:38:480
2858599954,32cyclictest352-21runrttasks08:53:320
2858599954,32cyclictest352-21runrttasks08:53:320
28585999541,46cyclictest0-21swapper/009:59:380
2858599953,31cyclictest7363-21grep07:39:030
2858599953,31cyclictest5478-21/usr/sbin/munin10:03:530
2858599953,31cyclictest10932-21grep09:19:000
28585999511,25cyclictest31503-21cat09:53:430
28585999511,25cyclictest31503-21cat09:53:430
2858599944,33cyclictest5077-21cut07:33:480
28585999435,52cyclictest0-21swapper/012:13:520
2858599943,33cyclictest8677-21sendmail_mailqu07:43:580
2858599943,32cyclictest17985-21latency_hist08:13:280
2858599943,30cyclictest30017-21fschecks_count11:38:470
2858599943,28cyclictest1698-21timerandwakeup09:00:090
2858599943,23cyclictest23363-21apt-get08:29:170
2858599934,8cyclictest0-21swapper/010:23:250
2858599933,32cyclictest7440-21fschecks_time09:13:490
2858599933,32cyclictest7440-21fschecks_time09:13:490
2858599933,29cyclictest29688-21ssh10:43:510
2858599933,22cyclictest29256-21/usr/sbin/munin09:49:010
2858599933,22cyclictest28848-21cpuspeed07:08:390
2858599924,29cyclictest24891-21/usr/sbin/munin08:33:480
2858599924,29cyclictest24891-21/usr/sbin/munin08:33:480
2858599923,29cyclictest23022-21cat08:28:280
2858599922,83cyclictest31313-21kworker/u17:1+ext4-rsv-conversion10:28:480
28585999223,63cyclictest0-21swapper/011:33:470
2858599922,30cyclictest4588-21ls09:08:520
2858599922,29cyclictest27966-21cat08:43:280
2858599922,29cyclictest27966-21cat08:43:280
2858599922,20cyclictest14742-21latency_hist08:03:290
28585999216,25cyclictest1621-21wc07:23:410
28585999216,25cyclictest1621-21wc07:23:410
28606999064,17cyclictest31397-21sh10:47:102
2858599904,30cyclictest31369-21latency_hist08:53:290
28606998945,18cyclictest181rcu_preempt12:06:042
28606998945,18cyclictest181rcu_preempt12:06:042
278962898,48sleep227987-21sort07:04:082
2861399883,44cyclictest3291-21chrt11:48:373
28606998868,14cyclictest6173-21latency_hist11:53:292
28606998842,39cyclictest31208-21switchtime12:34:012
28598998772,11cyclictest28576-21cyclictest12:03:561
28598998772,11cyclictest28576-21cyclictest12:03:561
28598998756,21cyclictest19653-21apt-key10:28:271
274922877,53sleep127570-21/usr/sbin/munin07:03:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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