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2026-05-01 - 04:20
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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 Fri May 01, 2026 01:01:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
328639919995,72cyclictest3541-21CPU1
328639919995,72cyclictest3541-21CPU1
3288999197191,4cyclictest25635-21kworker/u81:2+events_unbound00:07:2716
3288999197191,4cyclictest25635-21kworker/u81:2+events_unbound00:07:2716
3288899193186,5cyclictest0-21swapper/2223:14:0615
3288899193186,5cyclictest0-21swapper/2223:14:0615
3289499192186,5cyclictest0-21swapper/2619:50:2519
3289499192186,5cyclictest0-21swapper/2619:50:2519
3287699192105,74cyclictest0-21swapper/1122:55:003
3287699192105,74cyclictest0-21swapper/1122:55:003
3288899191179,8cyclictest37355-21CPU15
3290599188104,70cyclictest37265-21CPU31
3290599188104,70cyclictest37265-21CPU31
3287799186171,12cyclictest0-21swapper/1220:10:214
3287799186171,12cyclictest0-21swapper/1220:10:214
3288399185145,34cyclictest0-21swapper/1723:24:239
3288399185145,34cyclictest0-21swapper/1723:24:239
3289499183168,11cyclictest0-21swapper/2619:45:1519
3288899183176,5cyclictest0-21swapper/2200:07:3815
3288899183176,5cyclictest0-21swapper/2200:07:3815
3288899183174,6cyclictest0-21swapper/2223:09:3615
3288899183174,6cyclictest0-21swapper/2223:09:3615
3288899183174,6cyclictest0-21swapper/2223:09:3515
3288899182175,4cyclictest755-21systemd-journal23:37:4415
3288899182175,4cyclictest755-21systemd-journal23:37:4415
3288899182172,8cyclictest0-21swapper/2223:34:3515
3288899182172,8cyclictest0-21swapper/2223:34:3515
3287799182101,77cyclictest37357-21CPU4
3287799182101,77cyclictest37357-21CPU4
3288899180172,6cyclictest0-21swapper/2222:53:3815
3288899180172,6cyclictest0-21swapper/2222:53:3815
3288099180131,40cyclictest2464-21CPU7
3288099180131,40cyclictest2464-21CPU7
3288099180131,40cyclictest2464-21CPU7
3287699180128,49cyclictest0-21swapper/1121:26:253
3287699180128,49cyclictest0-21swapper/1121:26:253
3287699180128,49cyclictest0-21swapper/1121:26:243
3287699180113,54cyclictest3609-21CPU3
3287699180113,54cyclictest3609-21CPU3
3289499179122,26cyclictest0-21swapper/2620:30:0019
3289499179122,26cyclictest0-21swapper/2620:30:0019
3287799179173,4cyclictest0-21swapper/1220:30:254
3287799179173,4cyclictest0-21swapper/1220:30:254
3289499178158,11cyclictest0-21swapper/2622:23:1619
3289499178158,11cyclictest0-21swapper/2622:23:1619
3289499178158,11cyclictest0-21swapper/2622:23:1519
3288899178173,4cyclictest0-21swapper/2223:49:1315
3288899178173,4cyclictest0-21swapper/2223:49:1315
3288899178171,5cyclictest0-21swapper/2200:16:2415
3288899178171,5cyclictest0-21swapper/2200:16:2415
3287799177168,8cyclictest0-21swapper/1222:58:474
3287799177168,8cyclictest0-21swapper/1222:58:474
3287799176168,6cyclictest0-21swapper/1219:15:204
3287799176168,6cyclictest0-21swapper/1219:15:204
3287699175115,56cyclictest2464-21CPU3
3287699175115,56cyclictest2464-21CPU3
3288899174167,5cyclictest0-21swapper/2200:00:0115
3288899174167,5cyclictest0-21swapper/2200:00:0115
3288899174167,5cyclictest0-21swapper/2200:00:0015
3288899174165,6cyclictest0-21swapper/2222:58:0715
3288899174165,6cyclictest0-21swapper/2222:58:0715
32876991741,2cyclictest0-21swapper/1120:15:013
32876991741,2cyclictest0-21swapper/1120:15:013
3289499173166,5cyclictest0-21swapper/2619:44:5219
3289499173159,11cyclictest0-21swapper/2619:32:4519
3289499173159,11cyclictest0-21swapper/2619:32:4519
3288899172167,4cyclictest0-21swapper/2223:43:2515
3288899172167,4cyclictest0-21swapper/2223:43:2515
3288899172166,3cyclictest0-21swapper/2221:36:2315
3288899172166,3cyclictest0-21swapper/2221:36:2315
3288899172165,5cyclictest0-21swapper/2220:00:1715
3288899172165,5cyclictest0-21swapper/2220:00:1715
3288899172161,8cyclictest15409-21sshd21:45:4615
3288899172161,8cyclictest15409-21sshd21:45:4615
3290799171135,32cyclictest2456-21CPU32
3290799171135,32cyclictest2456-21CPU32
3289699171155,13cyclictest17483-21nfsd22:06:1321
3289699171155,13cyclictest17483-21nfsd22:06:1321
3289499171119,40cyclictest0-21swapper/2622:31:4019
3289499171119,40cyclictest0-21swapper/2622:31:4019
3288899171165,4cyclictest0-21swapper/2200:11:4715
3288899171165,4cyclictest0-21swapper/2200:11:4715
3288899171165,4cyclictest0-21swapper/2200:11:4715
3288899171164,5cyclictest0-21swapper/2221:15:3815
3288899171164,5cyclictest0-21swapper/2221:15:3815
3288899171154,8cyclictest171rcu_preempt00:01:4115
3288899171154,8cyclictest171rcu_preempt00:01:4115
3286699171160,8cyclictest0-21swapper/422:17:5034
3286699171160,8cyclictest0-21swapper/422:17:5034
3286699171160,8cyclictest0-21swapper/422:17:4934
3288899170163,5cyclictest0-21swapper/2222:50:0015
3288899170163,5cyclictest0-21swapper/2222:50:0015
3290599169126,33cyclictest0-21swapper/3722:15:0731
3289699169163,4cyclictest0-21swapper/2821:22:3321
3289699169163,4cyclictest0-21swapper/2821:22:3321
3289499169134,14cyclictest0-21swapper/2621:58:0819
3289499169134,14cyclictest0-21swapper/2621:58:0819
3289499169134,14cyclictest0-21swapper/2621:58:0819
3288899169161,4cyclictest0-21swapper/2222:30:2515
3288899169161,4cyclictest0-21swapper/2222:30:2515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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