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2026-06-22 - 20:19
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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 rack3slot0.osadl.org (updated Mon Jun 22, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1862997418,55cyclictest930-21systemd11:39:496
151462650,0sleep20-21swapper/211:53:542
168832640,0sleep00-21swapper/011:40:460
258312570,1sleep425828-21grepconf.sh11:39:224
165412560,0sleep1231rcuc/112:37:341
169872540,1sleep516990-21grep11:10:005
254152530,6sleep025413-21systemd-cgroups10:21:250
295422510,0sleep70-21swapper/710:59:207
170702500,0sleep017067-21bash11:48:230
153224925,9sleep20-21swapper/207:06:202
70052480,0sleep50-21swapper/511:13:205
223442480,0sleep50-21swapper/511:44:525
126362480,1sleep412639-21sshd09:38:444
67012470,0sleep20-21swapper/209:25:122
26202470,0sleep32598-21sshd11:58:513
147624725,8sleep00-21swapper/007:05:300
117802470,0sleep50-21swapper/512:35:215
246912460,0sleep60-21swapper/611:31:316
168762460,0sleep0111rcuc/011:02:260
149524624,8sleep10-21swapper/107:05:471
37842450,0sleep00-21swapper/009:34:230
111382450,0sleep20-21swapper/210:39:212
82072440,0sleep40-21swapper/409:32:514
197592440,0sleep70-21swapper/711:10:107
185399440,43cyclictest13401-21kworker/u16:211:39:485
304602430,0sleep00-21swapper/010:15:560
20662430,0sleep7721ktimersoftd/712:08:167
324142420,0sleep60-21swapper/612:00:386
254132420,1sleep425367-21sshd11:12:394
10352420,0sleep10-21swapper/109:19:111
10352420,0sleep10-21swapper/109:19:111
306832410,0sleep00-21swapper/011:26:040
283112410,0sleep30-21swapper/309:15:043
224832410,0sleep00-21swapper/010:28:460
137624129,8sleep70-21swapper/707:04:097
137524129,9sleep60-21swapper/607:04:086
56632400,0sleep40-21swapper/410:33:224
205742400,0sleep30-21swapper/310:07:423
192782400,0sleep70-21swapper/712:20:427
156524027,9sleep40-21swapper/407:06:474
152624027,9sleep50-21swapper/507:06:155
143024027,9sleep30-21swapper/307:04:533
288832380,0sleep10-21swapper/109:30:161
24502380,0sleep60-21swapper/612:21:376
1813993635,1cyclictest32495-21kworker/2:011:39:492
138562320,1sleep09-21ksoftirqd/012:12:500
71242300,0sleep10-21swapper/112:08:341
187099300,30cyclictest10969-21kworker/7:511:39:497
278192260,0sleep027815-21systemd-cgroups12:34:200
182199240,23cyclictest30608-21kworker/3:111:39:483
187099236,3cyclictest73-21ksoftirqd/709:49:577
187099229,1cyclictest73-21ksoftirqd/710:46:087
187099229,1cyclictest73-21ksoftirqd/709:22:017
187099229,1cyclictest73-21ksoftirqd/709:22:017
187099228,3cyclictest73-21ksoftirqd/712:06:347
187099227,1cyclictest73-21ksoftirqd/712:02:207
182199228,1cyclictest41-21ksoftirqd/310:03:153
187099217,3cyclictest73-21ksoftirqd/710:29:487
187099217,1cyclictest73-21ksoftirqd/710:04:257
1870992111,1cyclictest73-21ksoftirqd/709:59:057
187099211,3cyclictest73-21ksoftirqd/711:52:557
1821992118,3cyclictest41-21ksoftirqd/309:42:003
1821992111,2cyclictest41-21ksoftirqd/310:26:043
55042200,0sleep20-21swapper/211:24:302
1862992013,4cyclictest8062-21sshd11:11:296
182199207,1cyclictest41-21ksoftirqd/309:43:023
182199205,1cyclictest41-21ksoftirqd/312:36:333
182199203,5cyclictest41-21ksoftirqd/311:46:383
1821992016,1cyclictest41-21ksoftirqd/311:17:003
1821992016,1cyclictest41-21ksoftirqd/311:02:113
1821992010,1cyclictest41-21ksoftirqd/311:25:033
268612190,0sleep6641ktimersoftd/612:32:266
250312190,0sleep50-21swapper/509:58:315
187099194,3cyclictest73-21ksoftirqd/710:14:007
1870991917,1cyclictest73-21ksoftirqd/710:56:287
182199196,3cyclictest41-21ksoftirqd/312:25:053
1821991915,3cyclictest41-21ksoftirqd/311:53:203
1821991915,3cyclictest41-21ksoftirqd/311:12:243
1821991910,1cyclictest41-21ksoftirqd/309:48:033
187099187,1cyclictest73-21ksoftirqd/710:32:587
187099185,3cyclictest73-21ksoftirqd/710:38:207
187099185,1cyclictest73-21ksoftirqd/712:15:087
187099185,1cyclictest73-21ksoftirqd/711:48:277
1870991816,2cyclictest73-21ksoftirqd/709:39:387
1870991816,1cyclictest73-21ksoftirqd/710:50:247
1870991811,1cyclictest73-21ksoftirqd/711:05:457
187099181,3cyclictest22642-21bash12:33:597
187099181,1cyclictest23789-21systemd-cgroups09:24:187
187099181,1cyclictest131rcu_sched11:44:237
187099180,3cyclictest0-21swapper/711:28:317
187099180,2cyclictest0-21swapper/711:12:557
182199185,1cyclictest41-21ksoftirqd/312:09:233
1821991816,1cyclictest41-21ksoftirqd/309:56:553
1821991815,1cyclictest41-21ksoftirqd/309:24:423
1821991813,2cyclictest41-21ksoftirqd/312:16:073
1821991813,2cyclictest41-21ksoftirqd/311:51:483
1821991813,2cyclictest41-21ksoftirqd/310:37:363
256352170,0sleep60-21swapper/610:57:196
187099178,3cyclictest73-21ksoftirqd/710:08:527
187099177,1cyclictest73-21ksoftirqd/709:53:217
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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