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2026-01-02 - 17:01
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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 Jan 02, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198002720,0sleep50-21swapper/509:57:185
183982720,1sleep5492-21systemd-journal10:00:235
308732560,0sleep50-21swapper/510:21:535
69302530,0sleep417915-21kworker/u16:009:25:384
275942520,1sleep627596-21kworker/u16:210:14:416
1823225026,8sleep00-21swapper/007:07:140
1822025026,9sleep60-21swapper/607:07:046
1809325039,8sleep50-21swapper/507:05:185
319992490,0sleep20-21swapper/211:59:292
192692490,1sleep719272-21kworker/u16:210:20:357
1805924925,9sleep70-21swapper/707:04:487
136692480,0sleep20-21swapper/211:13:562
5382470,1sleep28829-1kworker/2:0H12:19:392
287522470,1sleep328753-21bash11:32:073
287522470,1sleep328753-21bash11:32:073
196112470,0sleep30-21swapper/310:27:283
96412460,0sleep30-21swapper/309:59:333
96092460,1sleep5887-21gdbus12:20:385
182882450,0sleep20-21swapper/210:50:412
150232450,1sleep615022-21grepconf.sh09:36:456
261342430,0sleep60-21swapper/612:09:026
254312430,0sleep70-21swapper/709:24:217
1824424330,9sleep30-21swapper/307:07:253
251582420,0sleep10-21swapper/112:39:161
139032420,0sleep30-21swapper/310:33:363
56402410,0sleep30-21swapper/309:39:143
1811024129,9sleep40-21swapper/407:05:344
47832400,0sleep40-21swapper/409:49:084
248092400,0sleep40-21swapper/409:24:184
240582400,0sleep10-21swapper/111:28:201
76462390,0sleep20-21swapper/212:06:582
1832723927,8sleep20-21swapper/207:08:282
1819523926,9sleep10-21swapper/107:06:431
52032380,2sleep41855499cyclictest10:12:314
280072360,0sleep20-21swapper/209:38:092
45482340,2sleep51856299cyclictest09:18:425
1856999259,3cyclictest65-21ksoftirqd/610:46:146
1852799220,1cyclictest691-21systemd-logind10:53:061
1856999205,1cyclictest65-21ksoftirqd/610:39:306
1856999205,1cyclictest65-21ksoftirqd/610:39:306
1852799202,9cyclictest2189-21sshd09:18:261
1852799202,8cyclictest8056-21sd-pam10:02:481
1856999197,1cyclictest65-21ksoftirqd/611:41:506
18569991915,1cyclictest65-21ksoftirqd/610:31:376
1852799192,9cyclictest30152-21systemd09:34:511
1852799190,1cyclictest686-21dbus-daemon11:39:421
1852799190,1cyclictest20690-21systemd-cgroups10:30:501
18569991816,1cyclictest492-21systemd-journal09:52:466
18569991815,1cyclictest65-21ksoftirqd/611:18:266
1852799180,2cyclictest28110-21systemd12:12:321
1852799180,2cyclictest1628-21systemd10:39:061
1852799180,2cyclictest1628-21systemd10:39:061
1852799180,2cyclictest1-21systemd09:11:281
1856999178,1cyclictest65-21ksoftirqd/611:04:276
1856999176,3cyclictest65-21ksoftirqd/611:19:516
1856999176,1cyclictest65-21ksoftirqd/610:36:016
1856999176,1cyclictest65-21ksoftirqd/610:36:016
18569991714,3cyclictest65-21ksoftirqd/612:13:576
18569991713,1cyclictest65-21ksoftirqd/609:31:226
1856999171,1cyclictest121rcu_preempt12:28:456
1852799173,6cyclictest4304-21systemd12:23:361
1852799170,2cyclictest9805-21grep11:16:461
1852799170,2cyclictest9014-21sshd10:06:081
1852799170,2cyclictest686-21dbus-daemon12:26:251
1852799170,2cyclictest686-21dbus-daemon11:44:231
1852799170,2cyclictest31589-21systemd09:58:351
1852799170,2cyclictest26676-21systemd09:24:291
1852799170,2cyclictest15329-21systemd09:40:001
1852799170,2cyclictest14290-21systemd10:43:421
1852799170,2cyclictest14290-21systemd10:43:421
1852799170,2cyclictest13758-21cp11:13:561
1852799170,1cyclictest15397-21systemd-cgroups12:17:571
1852799170,1cyclictest1-21systemd09:33:531
1852799170,1cyclictest0-21swapper/110:44:351
1856999162,2cyclictest65-21ksoftirqd/610:24:546
18569991614,1cyclictest65-21ksoftirqd/609:54:356
18569991613,3cyclictest65-21ksoftirqd/611:29:316
18569991613,3cyclictest65-21ksoftirqd/611:29:316
18569991613,3cyclictest65-21ksoftirqd/610:04:576
18569991612,2cyclictest65-21ksoftirqd/609:26:456
1856999160,13cyclictest14031-21kworker/6:511:25:336
18562991613,1cyclictest57-21ksoftirqd/512:18:115
18562991611,3cyclictest57-21ksoftirqd/511:30:545
18562991611,3cyclictest57-21ksoftirqd/511:30:545
1852799160,2cyclictest686-21dbus-daemon10:21:461
1852799160,2cyclictest686-21dbus-daemon10:17:211
1852799160,2cyclictest22224-21systemd11:21:211
1852799160,2cyclictest18850-21kill09:50:241
1852799160,2cyclictest12021-21systemd11:06:561
1852799160,2cyclictest10820-21systemd12:07:201
1852799160,1cyclictest19706-21sshd11:00:541
1852799160,1cyclictest0-21swapper/110:27:151
1852799160,1cyclictest0-21swapper/110:11:451
62902150,0sleep50-21swapper/512:03:325
309152150,0sleep30-21swapper/310:15:023
1856999155,1cyclictest65-21ksoftirqd/609:45:386
1856999154,1cyclictest65-21ksoftirqd/610:00:456
18569991514,1cyclictest65-21ksoftirqd/612:35:156
18569991514,1cyclictest65-21ksoftirqd/609:19:196
18569991514,1cyclictest65-21ksoftirqd/609:14:306
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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