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2026-03-11 - 11:37
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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 Wed Mar 11, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2754883995856,2cyclictest2745456-21kworker/u16:1+flush-8:021:09:356
275440525444,7sleep50-21swapper/519:01:195
2754885995044,4cyclictest3360446-21latency_hist23:39:037
275445124837,8sleep40-21swapper/419:01:584
275441724736,8sleep60-21swapper/619:01:286
2754874994644,2cyclictest3336401-21kworker/u16:3+events_unbound23:44:384
2754883994240,2cyclictest3372471-21kworker/u16:1+events_unbound23:46:106
2754883994139,2cyclictest3240613-21kworker/u16:2+events_unbound22:54:506
2754883994139,2cyclictest3213644-21kworker/u16:5+events_unbound22:52:066
2754883994139,2cyclictest3059634-21kworker/u16:0+events_unbound22:32:226
2754883994139,2cyclictest2745456-21kworker/u16:1+events_unbound21:30:546
2754874994138,2cyclictest2939815-21kworker/u16:2+events_unbound21:49:064
2754883994038,2cyclictest3372471-21kworker/u16:1+events_unbound23:52:376
2754883994038,2cyclictest3336401-21kworker/u16:3+events_unbound23:57:386
2754883994038,2cyclictest3025250-21kworker/u16:3+events_unbound22:03:506
2754883994038,2cyclictest2745456-21kworker/u16:1+events_unbound21:19:066
2754874994037,2cyclictest3336401-21kworker/u16:3+events_unbound00:14:054
2754883993937,2cyclictest3336401-21kworker/u16:3+events_unbound00:03:496
2754883993937,2cyclictest3213644-21kworker/u16:5+events_unbound23:03:306
2754883993937,2cyclictest3059634-21kworker/u16:0+events_unbound21:36:346
2754883993937,2cyclictest2745456-21kworker/u16:1+flush-8:019:14:056
2754883993936,2cyclictest3025250-21kworker/u16:3+events_unbound21:39:146
2754883993936,2cyclictest2745456-21kworker/u16:1+events_unbound20:24:066
2754883993936,2cyclictest2745456-21kworker/u16:1+events_unbound20:24:066
2754874993936,2cyclictest3025250-21kworker/u16:3+events_unbound22:04:074
2754874993936,2cyclictest2745456-21kworker/u16:1+flush-8:021:04:144
2754874993936,2cyclictest2745456-21kworker/u16:1+flush-8:021:04:144
27459892392,31sleep70-21swapper/718:59:207
2754885993835,2cyclictest3005970-21kthreadcore21:09:287
2754885993833,4cyclictest3228147-21latency_hist22:44:047
275488599380,37cyclictest124-21kswapd023:29:187
2754883993836,2cyclictest3213644-21kworker/u16:5+events_unbound22:40:136
2754883993836,2cyclictest3204071-21kworker/u16:3+events_unbound23:06:306
2754883993836,2cyclictest3204071-21kworker/u16:3+events_unbound23:06:306
2754883993836,2cyclictest2939815-21kworker/u16:2+events_unbound21:52:186
2754883993835,2cyclictest3336401-21kworker/u16:3+events_unbound00:14:136
2754874993836,2cyclictest3228169-21kworker/u16:0+events_unbound23:40:144
2754883993735,2cyclictest3431186-21kworker/u16:1+events_unbound00:07:506
2754883993735,2cyclictest3336401-21kworker/u16:3+events_unbound00:20:556
2754883993735,2cyclictest3228169-21kworker/u16:0+events_unbound23:27:586
2754883993735,2cyclictest3059634-21kworker/u16:0+events_unbound22:10:586
2754883993735,2cyclictest2909999-21kworker/u16:4+events_unbound21:05:396
2754883993735,2cyclictest2909999-21kworker/u16:4+events_unbound21:05:396
2754883993734,2cyclictest3228169-21kworker/u16:0+events_unbound23:35:176
2754874993735,2cyclictest3396668-21kworker/u16:4+events_unbound00:07:384
2754874993735,2cyclictest3155915-21kworker/u16:2+events_unbound22:24:464
2754874993735,2cyclictest3155915-21kworker/u16:2+events_unbound22:24:464
2754874993735,2cyclictest3025250-21kworker/u16:3+events_unbound22:13:014
2754874993735,2cyclictest3025250-21kworker/u16:3+events_unbound21:43:594
2754874993734,2cyclictest3106619-21kworker/u16:4+events_unbound21:54:074
2754883993635,1cyclictest3059634-21kworker/u16:0+events_unbound22:27:196
2754883993635,1cyclictest3059634-21kworker/u16:0+events_unbound22:27:196
2754883993634,2cyclictest3431186-21kworker/u16:1+events_unbound00:11:506
2754883993634,2cyclictest3276638-21kworker/u16:1+events_unbound23:13:306
2754883993634,2cyclictest3228169-21kworker/u16:0+events_unbound23:43:536
2754883993634,2cyclictest3131874-21kworker/u16:1+events_unbound22:44:386
2754883993634,2cyclictest3059634-21kworker/u16:0+events_unbound21:58:496
2754874993634,2cyclictest3059634-21kworker/u16:0+events_unbound21:37:254
2754883993533,2cyclictest3456893-21kworker/u16:0+events_unbound00:25:546
2754883993533,2cyclictest3456893-21kworker/u16:0+events_unbound00:25:546
2754883993533,2cyclictest3336401-21kworker/u16:3+events_unbound00:30:496
2754883993533,2cyclictest3213644-21kworker/u16:5+events_unbound22:37:506
2754883993533,2cyclictest3204071-21kworker/u16:3+events_unbound23:16:086
2754883993533,2cyclictest3059634-21kworker/u16:0+events_unbound22:20:176
2754883993533,2cyclictest3059634-21kworker/u16:0+events_unbound22:18:236
2754883993533,2cyclictest3025250-21kworker/u16:3+events_unbound22:07:016
2754883993533,2cyclictest3025250-21kworker/u16:3+events_unbound21:25:476
2754883993533,2cyclictest2745456-21kworker/u16:1+events_unbound21:17:116
2754883993532,2cyclictest2735913-21kworker/u16:2+events_unbound19:24:146
2754874993533,2cyclictest3396668-21kworker/u16:4+events_unbound23:54:544
2754874993533,2cyclictest3213644-21kworker/u16:5+events_unbound23:02:234
2754883993432,2cyclictest3323723-21kworker/u16:2+events_unbound23:33:346
2754879993432,2cyclictest3228169-21kworker/u16:0+events_unbound00:04:265
2754874993432,2cyclictest3323723-21kworker/u16:2+events_unbound23:25:374
2754874993432,2cyclictest3276638-21kworker/u16:1+events_unbound23:16:224
2754874993432,2cyclictest3228169-21kworker/u16:0+events_unbound23:11:034
2754874993432,2cyclictest3025250-21kworker/u16:3+events_unbound22:03:054
2754885993331,1cyclictest0-21swapper/722:09:187
2754874993331,2cyclictest3323723-21kworker/u16:2+events_unbound23:38:374
2754874993331,2cyclictest3204071-21kworker/u16:3+events_unbound22:49:534
2754874993331,2cyclictest3059634-21kworker/u16:0+events_unbound22:22:064
2754874993331,2cyclictest2745456-21kworker/u16:1+flush-8:021:19:384
2754883993230,2cyclictest2939815-21kworker/u16:2+events_unbound21:48:276
2754883993230,2cyclictest2939815-21kworker/u16:2+events_unbound21:48:276
2754874993230,2cyclictest2745456-21kworker/u16:1+events_unbound20:09:304
2754874993229,2cyclictest2999496-21kworker/u16:0+flush-8:021:14:144
33000362310,1chrt3300037-21sh23:13:377
2754883993129,2cyclictest3228169-21kworker/u16:0+events_unbound23:19:536
2754883993129,2cyclictest2745456-21kworker/u16:1+events_unbound20:06:076
2754883993128,2cyclictest2735913-21kworker/u16:2+events_unbound19:19:076
2754874993129,2cyclictest3213644-21kworker/u16:5+events_unbound22:55:234
2754874993128,2cyclictest3131874-21kworker/u16:1+events_unbound22:14:134
2754874993028,2cyclictest3456893-21kworker/u16:0+events_unbound00:25:504
2754874993028,2cyclictest3456893-21kworker/u16:0+events_unbound00:25:504
2754874993028,2cyclictest3431186-21kworker/u16:1+events_unbound00:10:384
2754874993028,2cyclictest3131874-21kworker/u16:1+events_unbound22:46:514
2754874993028,2cyclictest2999496-21kworker/u16:0+events_unbound21:11:454
2754883992927,2cyclictest2745456-21kworker/u16:1+flush-8:019:29:506
2754874992927,2cyclictest3372471-21kworker/u16:1+events_unbound23:52:294
2754874992927,2cyclictest3204071-21kworker/u16:3+events_unbound23:05:134
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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