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2026-04-15 - 11:55
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Wed Apr 15, 2026 01:02:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
416199216205,7cyclictest37267-21CPU32
416199216205,7cyclictest37267-21CPU32
416199216205,7cyclictest37267-21CPU32
412299209198,9cyclictest0-21swapper/1120:15:193
412299209198,9cyclictest0-21swapper/1120:15:193
416199208195,11cyclictest2327-21qemu-system-x8621:20:1832
416199208195,11cyclictest2327-21qemu-system-x8621:20:1832
416199208195,11cyclictest2327-21qemu-system-x8621:20:1832
416199207202,3cyclictest33210-21sshd21:56:0632
416199207202,3cyclictest33210-21sshd21:56:0632
416199202194,6cyclictest0-21swapper/3823:45:0132
416199202194,6cyclictest0-21swapper/3823:45:0132
416199202190,10cyclictest0-21swapper/3822:51:4732
416199202190,10cyclictest0-21swapper/3822:51:4732
416199202190,10cyclictest0-21swapper/3822:51:4732
416199201192,6cyclictest0-21swapper/3822:15:2732
416199201192,6cyclictest0-21swapper/3822:15:2732
416199201186,9cyclictest0-21swapper/3822:22:2432
416199201186,9cyclictest0-21swapper/3822:22:2432
416199201186,9cyclictest0-21swapper/3822:22:2432
416199200190,8cyclictest0-21swapper/3822:08:2932
416199200190,8cyclictest0-21swapper/3822:08:2932
416199200190,8cyclictest0-21swapper/3822:08:2932
416199199191,6cyclictest0-21swapper/3822:45:2232
416199199191,6cyclictest0-21swapper/3822:45:2232
414299199194,4cyclictest0-21swapper/2220:16:2715
414299199194,4cyclictest0-21swapper/2220:16:2715
416199197190,5cyclictest0-21swapper/3820:35:1932
414299197192,4cyclictest0-21swapper/2200:02:5315
414299197192,4cyclictest0-21swapper/2200:02:5315
414299197192,4cyclictest0-21swapper/2200:02:5315
412299195188,5cyclictest0-21swapper/1100:23:063
412299195188,5cyclictest0-21swapper/1100:23:063
412299195183,9cyclictest0-21swapper/1100:06:593
412299195183,9cyclictest0-21swapper/1100:06:593
412299195183,9cyclictest0-21swapper/1100:06:593
416199194185,5cyclictest0-21swapper/3822:56:1732
416199194185,5cyclictest0-21swapper/3822:56:1732
413199194191,2cyclictest0-21swapper/1721:41:589
413199194191,2cyclictest0-21swapper/1721:41:589
416199193184,5cyclictest0-21swapper/3823:25:2132
416199193184,5cyclictest0-21swapper/3823:25:2132
416199193183,4cyclictest0-21swapper/3823:35:4232
416199193183,4cyclictest0-21swapper/3823:35:4232
412299193186,5cyclictest15302-21systemd-cgroups00:28:103
412299193186,5cyclictest15302-21systemd-cgroups00:28:103
412299193183,6cyclictest0-21swapper/1100:30:273
412299193183,6cyclictest0-21swapper/1100:30:273
412299193183,6cyclictest0-21swapper/1100:30:273
416199192185,5cyclictest22795-21sshd22:40:1632
416199192185,5cyclictest22795-21sshd22:40:1532
416199192182,6cyclictest0-21swapper/3822:32:0932
416199192182,6cyclictest0-21swapper/3822:32:0932
416199192178,10cyclictest0-21swapper/3823:46:4432
416199192178,10cyclictest0-21swapper/3823:46:4432
416199191184,5cyclictest17480-21nfsd22:30:0732
416199191183,5cyclictest0-21swapper/3820:18:4832
416199191183,5cyclictest0-21swapper/3820:18:4832
416199190184,4cyclictest0-21swapper/3823:11:1932
416199190184,4cyclictest0-21swapper/3823:11:1932
416199190183,5cyclictest0-21swapper/3822:11:0732
416199190183,5cyclictest0-21swapper/3822:11:0732
415599190136,41cyclictest0-21swapper/3422:52:0428
415599190136,41cyclictest0-21swapper/3422:52:0328
415599190136,41cyclictest0-21swapper/3422:52:0328
412299190184,4cyclictest0-21swapper/1100:13:033
412299190184,4cyclictest0-21swapper/1100:13:033
412299190184,4cyclictest0-21swapper/1100:13:033
411699190176,6cyclictest0-21swapper/600:37:3436
411699190176,6cyclictest0-21swapper/600:37:3436
411699190176,6cyclictest0-21swapper/600:37:3436
416199189182,4cyclictest0-21swapper/3822:01:2332
416199189182,4cyclictest0-21swapper/3822:01:2332
416199189179,8cyclictest0-21swapper/3823:52:2132
416199189179,8cyclictest0-21swapper/3823:52:2132
411799189170,11cyclictest0-21swapper/722:38:3937
411799189170,11cyclictest0-21swapper/722:38:3937
411799189170,11cyclictest0-21swapper/722:38:3937
416199188182,4cyclictest0-21swapper/3823:31:4232
416199188182,4cyclictest0-21swapper/3823:31:4232
416199188181,5cyclictest0-21swapper/3823:03:1532
416199188181,5cyclictest0-21swapper/3823:03:1532
416199187181,4cyclictest0-21swapper/3820:00:0132
416199187181,4cyclictest0-21swapper/3820:00:0132
416199187180,5cyclictest0-21swapper/3823:09:3132
416199187180,5cyclictest0-21swapper/3823:09:3032
416199187178,4cyclictest0-21swapper/3821:49:4332
416199187178,4cyclictest0-21swapper/3821:49:4332
416199187178,4cyclictest0-21swapper/3821:49:4332
414499186134,37cyclictest0-21swapper/2400:08:4817
414499186134,37cyclictest0-21swapper/2400:08:4817
414499186134,37cyclictest0-21swapper/2400:08:4817
411399186177,6cyclictest0-21swapper/322:20:4223
411399186177,6cyclictest0-21swapper/322:20:4223
411399186177,6cyclictest0-21swapper/322:20:4223
411399186151,15cyclictest171rcu_preempt22:30:1223
411399186151,15cyclictest171rcu_preempt22:30:1223
416199185178,4cyclictest0-21swapper/3822:26:0632
413299185181,2cyclictest0-21swapper/1821:10:2010
413299185181,2cyclictest0-21swapper/1821:10:2010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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