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2026-03-28 - 20:34
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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 376 highest latencies:
System rackcslot4.osadl.org (updated Sat Mar 28, 2026 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16507022261184,28sleep10-21swapper/107:07:421
16508522258180,28sleep00-21swapper/007:09:190
179699730,5rtkit-daemon1795-21rtkit-daemon12:21:240
179699710,4rtkit-daemon1795-21rtkit-daemon11:06:060
179699620,3rtkit-daemon1795-21rtkit-daemon11:53:261
179699520,4rtkit-daemon1795-21rtkit-daemon11:40:511
179699510,4rtkit-daemon1795-21rtkit-daemon12:10:391
179699500,4rtkit-daemon1795-21rtkit-daemon10:47:041
179699500,3rtkit-daemon1795-21rtkit-daemon11:34:561
179699500,3rtkit-daemon1795-21rtkit-daemon08:21:461
179699490,3rtkit-daemon1795-21rtkit-daemon08:25:311
17693412480,2sleep01769343-21uname10:45:190
179699460,3rtkit-daemon1795-21rtkit-daemon07:24:391
18265792430,1sleep10-21swapper/112:05:211
179699410,5rtkit-daemon1670474-21irqstats07:55:191
179699410,5rtkit-daemon1670474-21irqstats07:55:191
165102699393,15cyclictest1754345-21apt-get10:25:141
179699380,3rtkit-daemon0-21swapper/112:17:461
179699380,3rtkit-daemon0-21swapper/110:27:390
179699380,3rtkit-daemon0-21swapper/110:10:180
179699380,3rtkit-daemon0-21swapper/008:09:480
179699380,3rtkit-daemon0-21swapper/007:38:580
179699370,5rtkit-daemon1833675-21switchtime12:15:250
179699370,5rtkit-daemon1700313-21tr09:10:140
179699370,4rtkit-daemon1795-21rtkit-daemon09:49:440
179699370,3rtkit-daemon0-21swapper/110:52:400
179699370,3rtkit-daemon0-21swapper/010:39:430
179699370,3rtkit-daemon0-21swapper/008:52:390
179699360,4rtkit-daemon1795-21rtkit-daemon07:48:220
179699360,3rtkit-daemon0-21swapper/111:35:371
179699360,3rtkit-daemon0-21swapper/111:22:091
179699360,3rtkit-daemon0-21swapper/111:12:171
179699360,3rtkit-daemon0-21swapper/108:41:281
179699350,3rtkit-daemon0-21swapper/107:34:361
18453362340,21sleep10-21swapper/112:32:351
179699340,5rtkit-daemon1828291-20journal-offline12:08:330
179699340,4rtkit-daemon1795-21rtkit-daemon09:24:050
179699340,3rtkit-daemon0-21swapper/111:29:380
179699340,3rtkit-daemon0-21swapper/108:58:251
179699340,3rtkit-daemon0-21swapper/009:16:231
179699330,4rtkit-daemon1795-21rtkit-daemon08:00:470
179699330,3rtkit-daemon1795-21rtkit-daemon11:18:471
179699330,3rtkit-daemon1795-21rtkit-daemon11:18:471
179699330,3rtkit-daemon0-21swapper/107:21:270
179699330,3rtkit-daemon0-21swapper/009:51:391
179699330,3rtkit-daemon0-21swapper/008:52:471
1651026993330,2cyclictest66950irq/132-enp2s010:44:441
1651023993326,5cyclictest1815917-21cat11:50:190
179699320,4rtkit-daemon1795-21rtkit-daemon07:59:160
179699320,4rtkit-daemon1795-21rtkit-daemon07:59:160
179699320,3rtkit-daemon1795-21rtkit-daemon12:26:091
179699320,3rtkit-daemon1795-21rtkit-daemon10:14:161
179699320,3rtkit-daemon0-21swapper/107:26:380
179699320,3rtkit-daemon0-21swapper/009:33:531
179699320,3rtkit-daemon0-21swapper/009:33:531
179699320,3rtkit-daemon0-21swapper/007:52:451
179699320,3rtkit-daemon0-21swapper/007:12:351
1651026993229,2cyclictest1796108-21kworker/1:211:25:171
179699310,3rtkit-daemon1795-21rtkit-daemon08:47:091
179699310,3rtkit-daemon1795-21rtkit-daemon07:52:510
16622652310,12sleep126-21ksoftirqd/107:35:161
179699300,4rtkit-daemon1795-21rtkit-daemon09:23:241
179699300,3rtkit-daemon0-21swapper/108:45:310
179699300,3rtkit-daemon0-21swapper/009:35:550
179699300,3rtkit-daemon0-21swapper/008:06:371
179699300,25rtkit-daemon1651011-21cyclictest12:26:300
179699290,3rtkit-daemon1795-21rtkit-daemon09:08:081
179699290,3rtkit-daemon0-21swapper/111:42:410
1651026992927,1cyclictest1750187-1kworker/1:3H10:23:121
179699280,3rtkit-daemon0-21swapper/112:10:590
179699280,3rtkit-daemon0-21swapper/109:08:360
179699280,3rtkit-daemon0-21swapper/109:02:380
179699280,3rtkit-daemon0-21swapper/108:16:580
179699280,3rtkit-daemon0-21swapper/107:32:220
179699280,3rtkit-daemon0-21swapper/008:34:471
179699270,3rtkit-daemon0-21swapper/108:40:370
179699270,3rtkit-daemon0-21swapper/108:37:100
179699270,2rtkit-daemon0-21swapper/110:00:100
1651026992724,2cyclictest66950irq/132-enp2s012:00:311
18249202260,20sleep01699915-21diskmemload12:03:350
179699260,3rtkit-daemon0-21swapper/007:41:461
179699260,21rtkit-daemon1651011-21cyclictest10:36:481
165102699267,7cyclictest1676961-21fschecks_time08:10:191
1651023992611,10cyclictest1680567-21apt-get08:20:130
179699250,1rtkit-daemon1795-21rtkit-daemon12:20:141
179699250,1rtkit-daemon1795-21rtkit-daemon10:57:031
179699250,1rtkit-daemon1795-21rtkit-daemon10:50:311
179699250,1rtkit-daemon1795-21rtkit-daemon08:56:350
17059352250,7sleep00-21swapper/009:16:570
165102699254,11cyclictest1654543-21head07:15:211
1651026992522,2cyclictest66950irq/132-enp2s009:59:361
1651026992516,5cyclictest1725328-21apt-get09:45:151
1651026992510,5cyclictest0-21swapper/111:07:391
165102399252,15cyclictest1732302-21apt-get09:55:110
165102399250,6cyclictest0-21swapper/009:52:470
179699240,3rtkit-daemon1795-21rtkit-daemon11:17:000
179699240,3rtkit-daemon1795-21rtkit-daemon11:16:590
179699240,1rtkit-daemon1795-21rtkit-daemon10:33:080
179699240,1rtkit-daemon1795-21rtkit-daemon07:28:591
165102699249,5cyclictest0-21swapper/112:37:121
165102699240,8cyclictest1672554-21/usr/sbin/munin08:00:161
165102399246,13cyclictest1676644-21apt-get08:10:160
165102699239,5cyclictest0-21swapper/110:09:091
165102699238,5cyclictest0-21swapper/111:49:321
165102699236,15cyclictest0-21swapper/107:50:001
165102699232,14cyclictest1746812-21apt-get10:15:131
1651026992320,2cyclictest66950irq/132-enp2s010:01:561
165102399239,9cyclictest1827668-1kworker/u9:212:30:130
165102399239,9cyclictest1796972-21kworker/u8:011:30:120
165102399232,15cyclictest1739476-21apt-get10:05:130
165102399232,14cyclictest1714692-21apt-get09:30:140
165102399232,14cyclictest1714692-21apt-get09:30:140
179699220,17rtkit-daemon0-21swapper/109:29:491
1651026992219,2cyclictest66950irq/132-enp2s011:57:481
1651026992215,5cyclictest1702249-21sh09:11:591
165102699220,20cyclictest1686725-21fschecks_time08:35:161
165102399229,8cyclictest1770691-1kworker/u9:210:55:140
165102399227,9cyclictest1717930-1kworker/u9:009:40:130
165102399225,11cyclictest1750456-21apt-get10:20:170
165102399223,10cyclictest1793520-21apt-get11:20:150
165102399222,14cyclictest1804388-21apt-get11:35:130
165102399222,14cyclictest1786049-21apt-get11:10:150
165102399222,14cyclictest1682506-21apt-get08:25:110
165102399222,13cyclictest1651185-21apt-get07:10:140
165102399221,7cyclictest1819777-21cat11:55:230
179699210,1rtkit-daemon1795-21rtkit-daemon09:02:171
179699210,14rtkit-daemon0-21swapper/008:30:370
165102699215,4cyclictest284-20systemd-journal08:20:001
165102699212,13cyclictest1757756-21apt-get10:30:151
165102699212,13cyclictest1718382-21apt-get09:35:121
165102399213,10cyclictest1711025-21apt-get09:25:090
165102399212,13cyclictest1846561-21apt-get12:35:150
165102399212,13cyclictest1664116-21apt-get07:40:140
1651023992112,5cyclictest1746983-21cstates10:15:140
165102399211,14cyclictest1779110-21apt-get11:00:120
165102399204,10cyclictest1653709-21apt-get07:15:130
1651023992011,7cyclictest1811984-21cat11:45:150
1651023991910,5cyclictest1699915-21diskmemload10:44:030
165102699181,7cyclictest1781176-21ssh11:02:191
165102699180,8cyclictest1722031-21/usr/sbin/munin09:40:171
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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