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2026-09-12 - 00:55
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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 rack3slot0.osadl.org (updated Fri Sep 11, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13710991458,63cyclictest5955-21sshd09:24:125
1370599112110,1cyclictest1843-21nfsd09:24:110
91342900,0sleep40-21swapper/410:17:174
282212540,0sleep70-21swapper/710:08:397
126062530,0sleep50-21swapper/512:23:255
60052520,0sleep0111rcuc/009:18:190
13716995225,26cyclictest0-21swapper/609:24:126
181182510,0sleep50-21swapper/511:42:245
133972510,0sleep7711rcuc/710:09:437
200192500,2sleep71371999cyclictest10:55:177
147742480,0sleep20-21swapper/209:30:302
1370799480,47cyclictest30024-21kworker/2:309:24:112
173842470,0sleep10-21swapper/111:40:201
58782460,0sleep20-21swapper/211:47:342
58782460,0sleep20-21swapper/211:47:342
37442460,0sleep20-21swapper/212:16:572
216722460,0sleep60-21swapper/612:21:586
38362450,0sleep30-21swapper/312:32:443
324692450,0sleep6721-21dbus-daemon11:51:066
314082450,2sleep11370699cyclictest10:38:211
287342450,1sleep128735-21bash11:17:291
219272450,0sleep60-21swapper/609:44:446
196762450,1sleep419671-21sshd12:15:554
18782450,2sleep31370899cyclictest11:47:193
18782450,2sleep31370899cyclictest11:47:193
167672450,0sleep1231rcuc/109:28:451
291132440,0sleep00-21swapper/009:54:550
271472440,0sleep00-21swapper/011:29:140
1317824433,8sleep70-21swapper/707:00:467
308542430,0sleep60-21swapper/611:11:426
226952430,0sleep322692-21sshd11:36:453
157302430,0sleep20-21swapper/212:25:302
105322430,0sleep30-21swapper/309:36:083
91042420,1sleep09103-21sshd09:41:570
62242420,0sleep60-21swapper/610:11:116
326372420,0sleep00-21swapper/009:49:180
320052420,0sleep20-21swapper/210:52:072
311992420,1sleep131175-21sshd10:22:351
289472420,0sleep4471rcuc/411:05:394
263492420,0sleep50-21swapper/511:11:255
161962420,0sleep60-21swapper/610:19:446
155252420,0sleep30-21swapper/311:58:003
222562410,0sleep10-21swapper/109:50:311
180882410,0sleep00-21swapper/011:50:120
170862410,0sleep40-21swapper/410:05:564
1340024130,8sleep20-21swapper/207:03:452
1317124130,8sleep00-21swapper/007:00:390
255482400,0sleep30-21swapper/310:04:353
201722400,0sleep30-21swapper/311:03:143
139512400,0sleep00-21swapper/011:48:040
139512400,0sleep00-21swapper/011:48:040
1336624029,8sleep40-21swapper/407:03:154
1326124028,8sleep50-21swapper/507:01:565
1318124029,8sleep10-21swapper/107:00:481
236732390,0sleep30-21swapper/309:29:113
181972390,0sleep1756-21sshd09:40:301
1324423927,8sleep60-21swapper/607:01:416
1314723826,9sleep30-21swapper/307:00:183
51272370,0sleep70-21swapper/710:20:577
13706993636,0cyclictest19525-21kworker/1:309:24:111
144732310,0sleep40-21swapper/411:50:004
141872310,0sleep4481ktimersoftd/410:27:264
1370899310,30cyclictest0-21swapper/309:24:113
1371999250,24cyclictest30869-21kworker/7:209:24:117
1370899213,3cyclictest41-21ksoftirqd/312:29:353
1370899213,1cyclictest41-21ksoftirqd/310:53:263
13708992117,1cyclictest41-21ksoftirqd/311:13:443
1370899196,3cyclictest41-21ksoftirqd/310:59:083
1370899195,1cyclictest41-21ksoftirqd/310:21:383
1370899193,1cyclictest41-21ksoftirqd/312:09:493
13708991916,3cyclictest41-21ksoftirqd/310:43:093
70012180,1sleep5551rcuc/511:27:585
161612180,0sleep00-21swapper/010:37:240
13719991816,1cyclictest73-21ksoftirqd/711:25:067
13719991815,2cyclictest73-21ksoftirqd/710:46:367
13719991814,1cyclictest73-21ksoftirqd/710:52:337
1371699183,11cyclictest2537-21id11:47:216
1371699183,11cyclictest2537-21id11:47:216
1371699182,1cyclictest0-21swapper/611:02:306
1370899186,2cyclictest41-21ksoftirqd/311:04:523
1370899184,2cyclictest41-21ksoftirqd/311:31:383
1370899184,1cyclictest41-21ksoftirqd/309:14:353
1370899184,1cyclictest41-21ksoftirqd/309:14:353
1370899183,2cyclictest41-21ksoftirqd/311:29:283
13708991816,1cyclictest41-21ksoftirqd/310:45:253
13708991816,1cyclictest41-21ksoftirqd/309:57:583
1370899180,1cyclictest131rcu_sched11:16:153
13707991813,2cyclictest33-21ksoftirqd/212:19:582
1370799180,17cyclictest10934-21kworker/2:110:03:542
1371999176,2cyclictest73-21ksoftirqd/711:05:337
13719991715,1cyclictest73-21ksoftirqd/712:26:497
13719991715,1cyclictest73-21ksoftirqd/711:39:297
13719991711,3cyclictest73-21ksoftirqd/709:28:207
13719991710,2cyclictest73-21ksoftirqd/711:50:457
1371999170,1cyclictest131rcu_sched11:21:337
13709991714,2cyclictest5881-21sshd09:24:114
1370899173,1cyclictest41-21ksoftirqd/309:39:523
13708991715,1cyclictest41-21ksoftirqd/312:21:213
1370899171,1cyclictest131rcu_sched11:54:083
1370899170,1cyclictest131rcu_sched12:19:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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