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2026-06-09 - 13:40
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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 Tue Jun 09, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2221299110108,1cyclictest32659-21sshd09:10:441
222129910943,42cyclictest10241-21sshd09:30:481
193862890,0sleep40-21swapper/409:43:194
261112780,0sleep60-21swapper/610:58:016
22217997721,40cyclictest0-21swapper/609:10:446
22217997137,0cyclictest0-21swapper/609:30:476
22211996226,2cyclictest1-21systemd09:30:470
22213995844,14cyclictest13550irq/24-ahci[00009:30:482
2184625727,17sleep20-21swapper/207:04:542
2177525644,8sleep70-21swapper/707:03:557
201272520,0sleep10-21swapper/111:46:021
2221599510,50cyclictest8368-21kworker/u16:509:30:484
177152500,0sleep20-21swapper/210:53:332
36972490,0sleep60-21swapper/612:25:476
118302490,1sleep011831-21sshd10:21:510
283502480,0sleep70-21swapper/711:17:337
2183624825,8sleep10-21swapper/107:04:451
65392470,0sleep10-21swapper/110:15:351
180332470,1sleep341-21ksoftirqd/311:28:263
139102470,1sleep313883-21sshd11:45:403
100672470,0sleep60-21swapper/612:12:266
314102460,0sleep40-21swapper/411:00:084
2221899460,46cyclictest2286-21kworker/7:009:30:487
2221399460,45cyclictest23051-21kworker/u16:209:10:442
57492450,0sleep05743-21sshd10:40:570
262632450,0sleep4481ktimersoftd/412:15:204
2221499450,45cyclictest26609-21kworker/3:309:10:443
325872440,0sleep5782-21kworker/5:409:10:445
239962440,0sleep60-21swapper/611:24:526
204492440,0sleep60-21swapper/609:56:586
153622440,1sleep115365-21wc10:43:311
100572440,0sleep10-21swapper/111:26:001
257512430,1sleep557-21ksoftirqd/512:01:525
242742430,0sleep30-21swapper/310:53:583
2208524326,13sleep30-21swapper/307:08:083
2206224332,8sleep00-21swapper/007:07:490
210252430,0sleep70-21swapper/710:26:157
25112420,0sleep3391rcuc/310:46:453
221552420,0sleep5561ktimersoftd/512:11:135
136212420,0sleep00-21swapper/011:34:070
112542420,0sleep20-21swapper/212:24:152
299362410,0sleep30-21swapper/310:09:213
287842410,1sleep665-21ksoftirqd/610:17:016
285182410,0sleep70-21swapper/709:39:537
2185724027,9sleep40-21swapper/407:05:044
153822400,0sleep40-21swapper/411:26:194
125342400,0sleep30-21swapper/310:39:243
22216993939,0cyclictest32091-21kworker/5:609:30:485
149392390,0sleep30-21swapper/310:35:403
126272390,0sleep70-21swapper/709:50:427
111702390,0sleep40-21swapper/408:38:324
252982380,0sleep60-21swapper/610:26:306
248452380,0sleep00-21swapper/011:01:400
2184923826,9sleep50-21swapper/507:04:575
2177423827,8sleep60-21swapper/607:03:546
186812380,0sleep60-21swapper/610:49:446
173902380,0sleep50-21swapper/512:05:045
2221899350,34cyclictest0-21swapper/709:10:447
22216992518,5cyclictest57-21ksoftirqd/511:50:375
2221599250,24cyclictest0-21swapper/409:10:444
2221199250,1cyclictest0-21swapper/009:10:440
76162230,0sleep40-21swapper/411:22:024
2221699236,1cyclictest57-21ksoftirqd/511:54:515
2221199233,9cyclictest7185-21bash11:20:040
2221199230,2cyclictest721-21dbus-daemon11:50:560
2221199220,8cyclictest1-21systemd10:15:520
22216992115,4cyclictest57-21ksoftirqd/512:20:475
2221199210,1cyclictest15404-21systemd09:52:490
2221699208,1cyclictest57-21ksoftirqd/509:36:035
2221699207,1cyclictest57-21ksoftirqd/512:24:525
2221699204,3cyclictest57-21ksoftirqd/509:14:285
22216992014,5cyclictest57-21ksoftirqd/509:59:275
22216992012,5cyclictest57-21ksoftirqd/510:26:395
22214992018,1cyclictest669-21avahi-daemon09:30:483
2221199200,2cyclictest21058-21grepconf.sh12:21:030
2221199200,2cyclictest1-21systemd11:45:260
259972190,0sleep4471rcuc/410:03:134
22216991915,4cyclictest57-21ksoftirqd/512:17:185
22216991912,5cyclictest57-21ksoftirqd/511:00:265
22213991916,2cyclictest33-21ksoftirqd/209:35:542
2221199194,8cyclictest8301-21grepconf.sh10:23:290
2221199193,8cyclictest13003-21sshd11:08:460
2221199190,2cyclictest6498-21sshd11:29:350
2221199190,2cyclictest25951-21sd-pam11:15:250
2221199190,1cyclictest10567-21sshd10:49:130
2221199190,1cyclictest0-21swapper/011:24:230
286642180,0sleep10-21swapper/112:17:341
2221699185,3cyclictest57-21ksoftirqd/511:08:255
2221699185,2cyclictest57-21ksoftirqd/511:37:435
2221699185,2cyclictest57-21ksoftirqd/509:18:335
2221699185,1cyclictest57-21ksoftirqd/509:26:095
22216991815,1cyclictest57-21ksoftirqd/511:38:145
22216991815,1cyclictest57-21ksoftirqd/511:03:265
22216991814,1cyclictest57-21ksoftirqd/510:03:245
22216991813,2cyclictest57-21ksoftirqd/511:43:585
2221199180,2cyclictest21714-21grepconf.sh10:53:480
2221199180,2cyclictest14005-21bash12:37:580
2221199180,2cyclictest12888-21sshd11:59:060
2221199180,2cyclictest11973-21grepconf.sh10:29:290
2221199180,2cyclictest0-21swapper/012:04:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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