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2026-07-09 - 16:33
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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 Thu Jul 09, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27362870,2sleep53003099cyclictest11:45:195
122652830,2sleep03002399cyclictest07:32:150
139672780,2sleep23002799cyclictest12:25:212
109422620,0sleep30-21swapper/312:00:073
319672580,1sleep665-21ksoftirqd/609:27:126
106612550,0sleep10-21swapper/112:16:151
318032510,0sleep70-21swapper/711:09:177
2963425025,9sleep70-21swapper/707:04:367
18032500,1sleep41-21systemd11:59:364
128152500,0sleep40-21swapper/411:27:564
128152500,0sleep40-21swapper/411:27:564
2975724925,8sleep00-21swapper/007:06:220
242422490,0sleep70-21swapper/710:20:317
216312490,0sleep50-21swapper/512:02:255
160782480,0sleep10-21swapper/110:21:531
159902480,0sleep515991-21grepconf.sh09:37:045
232652470,0sleep00-21swapper/010:16:560
232102470,0sleep50-21swapper/509:30:155
13542470,1sleep71356-21sshd09:46:597
129672470,0sleep10-21swapper/110:36:031
105402470,1sleep110539-21grep11:17:121
57092460,0sleep00-21swapper/011:06:050
39002460,0sleep40-21swapper/410:30:054
303122460,1sleep61-21systemd09:50:186
276362460,0sleep30-21swapper/311:05:283
248972460,1sleep324896-21grepconf.sh09:30:213
228362460,0sleep30-21swapper/309:51:443
14412460,0sleep70-21swapper/712:03:077
137182450,0sleep40-21swapper/412:36:044
108222450,1sleep410816-21bash10:43:034
108222450,1sleep410816-21bash10:43:034
95522440,2sleep33002899cyclictest11:20:423
266722440,1sleep449-21ksoftirqd/411:01:534
247922440,1sleep424786-21users11:12:264
226392440,0sleep40-21swapper/411:03:214
184072440,0sleep0101ktimersoftd/010:47:070
156162440,0sleep60-21swapper/610:54:026
155852440,1sleep715573-21sshd09:07:517
12532440,0sleep30-21swapper/311:16:423
48992430,1sleep64898-21systemd10:19:266
30102430,1sleep4758-21runrttasks10:13:554
211932430,0sleep40-21swapper/409:33:434
194642430,0sleep00-21swapper/012:02:200
83162420,2sleep23002799cyclictest11:59:582
308272420,0sleep60-21swapper/609:25:206
296222420,0sleep60-21swapper/609:55:396
223812420,0sleep10-21swapper/109:58:541
197412420,0sleep20-21swapper/210:34:362
136472420,1sleep09-21ksoftirqd/009:35:070
92992410,0sleep70-21swapper/711:51:067
4552410,0sleep70-21swapper/711:14:457
41452410,1sleep74144-21sshd10:53:237
2980524129,9sleep40-21swapper/407:06:584
283302410,1sleep09-21ksoftirqd/011:23:270
2830124128,9sleep10-21swapper/107:02:221
2976224028,8sleep50-21swapper/507:06:275
2958424029,8sleep60-21swapper/607:03:556
214672400,0sleep50-21swapper/509:39:045
193402400,0sleep773-21ksoftirqd/709:51:327
2953123927,8sleep20-21swapper/207:03:112
20242390,0sleep10-21swapper/109:47:011
2956323825,9sleep30-21swapper/307:03:363
64072370,0sleep70-21swapper/709:15:037
26002370,0sleep10-21swapper/110:47:561
322212270,0sleep10-21swapper/109:08:571
30029992410,3cyclictest49-21ksoftirqd/409:25:064
94712230,0sleep20-21swapper/210:14:172
3002999209,3cyclictest49-21ksoftirqd/409:31:034
3002999206,3cyclictest49-21ksoftirqd/411:41:054
3002999204,3cyclictest49-21ksoftirqd/412:03:074
3002999204,3cyclictest49-21ksoftirqd/410:54:534
30029992018,2cyclictest49-21ksoftirqd/409:13:184
30030991913,3cyclictest57-21ksoftirqd/510:17:435
30030991911,3cyclictest57-21ksoftirqd/511:31:015
30030991911,3cyclictest57-21ksoftirqd/511:31:015
3002999198,3cyclictest49-21ksoftirqd/410:01:084
3002999197,4cyclictest49-21ksoftirqd/410:32:564
3002999197,1cyclictest49-21ksoftirqd/410:22:334
3002999193,3cyclictest49-21ksoftirqd/412:09:424
3002999193,1cyclictest49-21ksoftirqd/409:52:474
3002999192,2cyclictest49-21ksoftirqd/410:37:514
3002999192,1cyclictest49-21ksoftirqd/411:21:574
30029991915,1cyclictest49-21ksoftirqd/412:27:184
30029991910,3cyclictest49-21ksoftirqd/409:37:594
3002999191,2cyclictest121rcu_preempt11:22:174
3002999190,19cyclictest934-21kworker/4:011:47:334
30028991913,3cyclictest41-21ksoftirqd/311:39:073
44982180,0sleep30-21swapper/310:26:363
3002999189,3cyclictest49-21ksoftirqd/409:10:354
3002999187,4cyclictest49-21ksoftirqd/412:17:224
3002999187,1cyclictest49-21ksoftirqd/411:32:234
3002999186,3cyclictest49-21ksoftirqd/411:11:494
3002999186,1cyclictest49-21ksoftirqd/411:55:564
3002999183,1cyclictest49-21ksoftirqd/410:07:374
3002999182,2cyclictest49-21ksoftirqd/409:18:094
3002999180,1cyclictest131rcu_sched11:44:214
30028991812,5cyclictest41-21ksoftirqd/311:44:333
225222180,0sleep60-21swapper/611:16:046
30030991716,1cyclictest57-21ksoftirqd/511:20:315
30030991716,1cyclictest57-21ksoftirqd/510:45:355
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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