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2026-06-08 - 18:36
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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 08, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219359913420,40cyclictest709-21systemd-logind10:39:545
48202960,0sleep6464-21systemd-journal09:24:196
48202960,0sleep6464-21systemd-journal09:24:196
151202930,1sleep4758-21runrttasks10:18:154
21921998887,1cyclictest1844-21nfsd10:39:533
150832880,1sleep41-21systemd10:39:064
116852840,1sleep12905-21nscd12:35:401
266832750,0sleep10-21swapper/109:21:501
266832750,0sleep10-21swapper/109:21:501
285362710,0sleep10-21swapper/112:11:531
97032580,0sleep40-21swapper/409:09:114
21943995756,1cyclictest0-21swapper/610:39:546
2189799570,56cyclictest17492-21kworker/u16:010:39:540
106392570,1sleep110634-21sshd09:58:501
2153725525,17sleep50-21swapper/507:05:425
227312540,1sleep61-21systemd10:05:206
18072540,2sleep72195499cyclictest11:16:337
267502520,0sleep20-21swapper/209:50:262
142102510,1sleep614205-21sshd11:07:516
276812500,1sleep327596-21sshd11:37:113
2146424925,8sleep00-21swapper/007:04:410
212102480,0sleep60-21swapper/610:33:476
144542480,0sleep70-21swapper/710:08:337
133822480,0sleep10-21swapper/111:17:151
34042470,0sleep30-21swapper/309:58:283
25942470,1sleep42559-21sshd09:30:024
114152460,0sleep40-21swapper/410:52:194
302412450,0sleep20-21swapper/212:13:472
302412450,0sleep20-21swapper/212:13:472
210622450,2sleep02189799cyclictest11:40:290
148932450,1sleep3721-21dbus-daemon12:26:213
158892440,0sleep5709-21systemd-logind09:17:295
100592440,0sleep10-21swapper/112:26:031
2141224330,9sleep60-21swapper/607:03:596
42442420,0sleep10-21swapper/110:44:151
32932420,0sleep6631rcuc/609:14:506
150082420,0sleep21-21systemd09:09:332
99562410,0sleep50-21swapper/512:08:375
21905994140,1cyclictest29093-21kworker/1:110:39:541
268692400,1sleep726828-21cp09:46:307
258882400,0sleep50-21swapper/510:36:025
21913994040,0cyclictest13550irq/24-ahci[00010:39:542
2161824027,9sleep10-21swapper/107:06:501
2158024029,8sleep30-21swapper/307:06:203
2156324028,9sleep40-21swapper/407:06:054
2127824026,9sleep70-21swapper/707:03:367
199392400,0sleep20-21swapper/211:19:322
290542390,0sleep00-21swapper/010:57:200
2151123927,9sleep20-21swapper/207:05:232
146932390,0sleep20-21swapper/211:05:552
320252380,2sleep32192199cyclictest09:48:433
237632380,0sleep665-21ksoftirqd/611:13:526
139102380,0sleep3758-21runrttasks11:45:523
255942360,0sleep50-21swapper/511:04:385
318552300,0sleep50-21swapper/510:26:495
318552300,0sleep50-21swapper/510:26:495
187562290,1sleep718729-21bash09:17:397
21954992523,1cyclictest752-21snmpd10:39:547
2193599258,3cyclictest57-21ksoftirqd/509:26:175
2193599258,3cyclictest57-21ksoftirqd/509:26:175
21935992519,6cyclictest57-21ksoftirqd/510:49:475
189312230,1sleep418887-21sshd09:23:214
189312230,1sleep418887-21sshd09:23:214
288352220,1sleep228803-21sshd11:25:492
288352220,1sleep228803-21sshd11:25:492
2193599228,1cyclictest57-21ksoftirqd/510:55:565
2193599226,1cyclictest57-21ksoftirqd/509:51:015
21935992212,1cyclictest57-21ksoftirqd/510:22:535
21935992211,3cyclictest57-21ksoftirqd/511:47:535
2193599218,2cyclictest57-21ksoftirqd/512:19:055
2193599218,1cyclictest57-21ksoftirqd/511:50:095
2193599215,1cyclictest57-21ksoftirqd/509:37:445
21935992117,1cyclictest57-21ksoftirqd/509:57:065
21935992110,6cyclictest57-21ksoftirqd/510:47:275
21921992115,4cyclictest41-21ksoftirqd/311:23:083
130152210,0sleep30-21swapper/309:24:483
130152210,0sleep30-21swapper/309:24:483
302372200,0sleep40-21swapper/409:58:134
2193599209,1cyclictest57-21ksoftirqd/511:37:085
2193599208,4cyclictest57-21ksoftirqd/511:58:585
2193599208,1cyclictest57-21ksoftirqd/512:15:385
2193599208,1cyclictest57-21ksoftirqd/512:15:385
2193599207,2cyclictest57-21ksoftirqd/510:08:525
2193599207,1cyclictest57-21ksoftirqd/509:40:585
2193599206,1cyclictest57-21ksoftirqd/511:02:105
2193599206,1cyclictest57-21ksoftirqd/510:06:075
2193599203,2cyclictest57-21ksoftirqd/509:29:325
21935992016,2cyclictest57-21ksoftirqd/511:15:155
21935992014,3cyclictest57-21ksoftirqd/509:59:425
21921992014,5cyclictest12919-21systemd10:16:143
211392200,0sleep00-21swapper/011:02:320
221402190,1sleep125-21ksoftirqd/110:54:481
21954991915,1cyclictest73-21ksoftirqd/712:33:247
2193599196,3cyclictest57-21ksoftirqd/511:30:155
2193599195,2cyclictest57-21ksoftirqd/511:27:145
2193599195,2cyclictest57-21ksoftirqd/511:27:145
2193599194,3cyclictest57-21ksoftirqd/510:28:345
21935991916,1cyclictest57-21ksoftirqd/509:21:215
21935991916,1cyclictest57-21ksoftirqd/509:21:215
21935991914,1cyclictest57-21ksoftirqd/511:40:045
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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