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2026-07-28 - 13:16
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot2.osadl.org (updated Tue Jul 28, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205607921460,1sleep72056078-21ssh11:06:177
151607425645,7sleep50-21swapper/507:04:165
151607325645,7sleep40-21swapper/407:04:154
19965122540,0sleep71996513-21ssh10:43:577
152523225419,30sleep70-21swapper/707:07:237
1525658994947,1cyclictest1858920-21kworker/u16:0+events_unbound09:54:126
1525647994341,2cyclictest1752376-21kworker/u16:5+events_unbound09:34:034
1525659994138,2cyclictest1655982-21perf08:14:037
152523124030,7sleep60-21swapper/607:07:226
1525659993934,4cyclictest2069852-21latency_hist11:14:037
1525647993835,2cyclictest1787635-21kworker/u16:0+flush-8:009:19:064
1525652993735,2cyclictest2214741-21kworker/u16:3+events_unbound12:20:235
1525652993735,2cyclictest1752376-21kworker/u16:5+events_unbound09:10:475
1525647993734,2cyclictest1218428-21kworker/u16:0+flush-8:007:59:294
1525652993635,1cyclictest1957213-21kworker/u16:0+flush-8:012:18:075
1525652993634,2cyclictest1957213-21kworker/u16:0+events_unbound10:31:425
1525652993633,2cyclictest1996617-21kworker/u16:3+events_unbound11:09:155
1525647993634,2cyclictest1752376-21kworker/u16:5+events_unbound09:38:584
1525647993533,2cyclictest1957213-21kworker/u16:0+flush-8:011:46:024
1525647993533,2cyclictest1957213-21kworker/u16:0+flush-8:010:44:054
1525647993533,2cyclictest1957213-21kworker/u16:0+events_unbound12:04:334
1525652993432,2cyclictest1957213-21kworker/u16:0+events_unbound11:48:225
1525647993432,2cyclictest2214741-21kworker/u16:3+events_unbound12:23:034
1525647993432,2cyclictest1957213-21kworker/u16:0+events_unbound12:16:034
1525647993432,2cyclictest1940059-21kworker/u16:2+events_unbound11:33:414
1525647993432,2cyclictest1940059-21kworker/u16:2+events_unbound10:39:034
1525659993330,2cyclictest1775300-21munin-run09:14:037
1525652993331,2cyclictest2251717-21kworker/u16:1+flush-8:012:38:265
1525652993331,2cyclictest2021053-21kworker/u16:1+events_unbound11:08:015
1525652993331,2cyclictest1940059-21kworker/u16:2+events_unbound12:05:185
1525652993331,2cyclictest1800352-21kworker/u16:1+events_unbound09:57:185
1525652993331,2cyclictest1685342-21kworker/u16:4+events_unbound08:49:065
1525652993331,2cyclictest1558647-21kworker/u16:2+events_unbound07:45:435
1525647993331,2cyclictest2180304-21kworker/u16:1+flush-8:012:09:054
1525647993331,2cyclictest1996617-21kworker/u16:3+flush-8:011:02:114
1525647993331,2cyclictest1996617-21kworker/u16:3+flush-8:011:02:114
1525647993331,2cyclictest1800352-21kworker/u16:1+events_unbound10:42:114
1525652993230,2cyclictest1996617-21kworker/u16:3+events_unbound11:27:145
1525652993230,2cyclictest1940059-21kworker/u16:2+flush-8:011:17:015
1525652993230,2cyclictest1800353-21kworker/u16:2+events_unbound09:43:555
1525652993230,2cyclictest1800353-21kworker/u16:2+events_unbound09:43:555
1525652993230,2cyclictest1800353-21kworker/u16:2+events_unbound09:29:065
1525652993230,2cyclictest1548432-21kworker/u16:1+events_unbound07:28:435
1525652993229,2cyclictest1957213-21kworker/u16:0+flush-8:011:54:045
1525647993231,1cyclictest1772170-21kworker/u16:3+events_unbound09:18:504
1525647993230,2cyclictest1996617-21kworker/u16:3+flush-8:011:38:224
1525647993230,2cyclictest1957213-21kworker/u16:0+flush-8:011:53:234
1525647993230,2cyclictest1957213-21kworker/u16:0+events_unbound10:27:554
1525647993230,2cyclictest1940059-21kworker/u16:2+flush-8:011:15:504
1525647993230,2cyclictest1800352-21kworker/u16:1+flush-8:009:50:304
17469062310,1chrt0-21swapper/708:59:237
1525652993129,2cyclictest2251717-21kworker/u16:1+events_unbound12:30:335
1525652993129,2cyclictest2021053-21kworker/u16:1+events_unbound10:57:395
1525652993129,2cyclictest1996617-21kworker/u16:3+events_unbound11:31:265
1525652993129,2cyclictest1800353-21kworker/u16:2+events_unbound10:12:155
1525652993129,2cyclictest1800353-21kworker/u16:2+events_unbound09:37:185
1525652993129,2cyclictest1772170-21kworker/u16:3+events_unbound09:19:025
1525647993129,2cyclictest1940059-21kworker/u16:2+flush-8:011:19:404
1525647993129,2cyclictest1548432-21kworker/u16:1+events_unbound07:46:344
1525647993128,2cyclictest1957213-21kworker/u16:0+flush-8:010:49:334
1525647993128,2cyclictest1940059-21kworker/u16:2+events_unbound11:58:184
22166132300,1chrt2216611-21sh12:13:177
1525659993029,0cyclictest0-21swapper/712:14:187
1525652993028,2cyclictest1996617-21kworker/u16:3+flush-8:012:03:575
1525652993028,2cyclictest1957213-21kworker/u16:0+events_unbound12:12:015
1525652993028,2cyclictest1800352-21kworker/u16:1+events_unbound10:28:505
1525652993028,2cyclictest1800352-21kworker/u16:1+events_unbound09:51:185
1525647993028,2cyclictest1957213-21kworker/u16:0+events_unbound11:26:504
1525647993028,2cyclictest1940059-21kworker/u16:2+flush-8:011:05:464
1525647993028,2cyclictest1800353-21kworker/u16:2+events_unbound10:13:274
1525647993028,2cyclictest1800353-21kworker/u16:2+events_unbound09:27:514
1525647993028,2cyclictest1743795-21kworker/u16:2+events_unbound09:10:434
1525647993028,2cyclictest1548432-21kworker/u16:1+events_unbound07:35:154
1525652992927,2cyclictest1996617-21kworker/u16:3+events_unbound10:48:185
1525652992927,2cyclictest1957213-21kworker/u16:0+events_unbound12:24:225
1525652992927,2cyclictest1940059-21kworker/u16:2+events_unbound10:50:395
1525652992927,2cyclictest1800353-21kworker/u16:2+events_unbound10:03:235
1525652992927,2cyclictest1800353-21kworker/u16:2+events_unbound09:44:385
1525647992927,2cyclictest2214741-21kworker/u16:3+flush-8:012:26:504
1525647992927,2cyclictest1800353-21kworker/u16:2+events_unbound09:57:384
1525647992927,2cyclictest1800352-21kworker/u16:1+events_unbound09:43:224
1525647992927,2cyclictest1800352-21kworker/u16:1+events_unbound09:43:224
1525647992927,2cyclictest1685342-21kworker/u16:4+events_unbound08:53:144
1525652992826,2cyclictest2021053-21kworker/u16:1+flush-8:011:02:315
1525652992826,2cyclictest2021053-21kworker/u16:1+flush-8:011:02:315
1525652992826,2cyclictest1940059-21kworker/u16:2+events_unbound10:37:595
1525652992826,2cyclictest1800353-21kworker/u16:2+events_unbound10:05:385
1525652992826,2cyclictest1800352-21kworker/u16:1+events_unbound10:19:585
1525652992826,2cyclictest1787635-21kworker/u16:0+events_unbound09:21:485
1525647992826,2cyclictest2251717-21kworker/u16:1+events_unbound12:31:104
1525647992826,2cyclictest2228922-21kworker/u16:2+events_unbound12:35:344
1525647992826,2cyclictest1996617-21kworker/u16:3+events_unbound10:55:034
1525647992826,2cyclictest1940059-21kworker/u16:2+events_unbound11:11:424
1525647992826,2cyclictest1922786-21kworker/u16:4+flush-8:010:15:154
1525647992826,2cyclictest1858920-21kworker/u16:0+events_unbound10:01:134
1525647992826,2cyclictest1800353-21kworker/u16:2+events_unbound09:48:464
1525659992721,5cyclictest1743602-21latency_hist08:59:037
1525658992725,2cyclictest1957213-21kworker/u16:0+events_unbound11:22:056
1525652992725,2cyclictest1957213-21kworker/u16:0+events_unbound10:40:225
1525652992725,2cyclictest1752376-21kworker/u16:5+flush-8:009:25:565
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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