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2026-09-18 - 05:12
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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 376 highest latencies:
System rack0slot2.osadl.org (updated Fri Sep 18, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39896032980,1sleep73989601-21sh00:25:337
326860125848,7sleep40-21swapper/419:09:104
326860425622,29sleep70-21swapper/719:09:137
326831924232,7sleep50-21swapper/519:05:105
3268909993937,2cyclictest3773531-21kworker/u16:5+events_unbound23:11:495
3268909993936,2cyclictest3591337-21kworker/u16:0+events_unbound22:09:345
3268903993937,2cyclictest3821267-21kworker/u16:0+events_unbound23:23:014
3268912993836,2cyclictest3773531-21kworker/u16:5+events_unbound23:00:496
3268912993836,2cyclictest3773531-21kworker/u16:5+events_unbound23:00:496
3268912993836,2cyclictest3772590-21kworker/u16:2+events_unbound23:39:136
3268912993836,2cyclictest3503624-21kworker/u16:3+events_unbound22:10:496
3268912993836,2cyclictest3503624-21kworker/u16:3+events_unbound21:22:176
3268909993836,2cyclictest3773531-21kworker/u16:5+events_unbound00:23:135
3268909993836,2cyclictest3773531-21kworker/u16:5+events_unbound00:23:135
3268909993836,2cyclictest3772590-21kworker/u16:2+events_unbound23:43:015
3268909993836,2cyclictest3734108-21kworker/u16:0+events_unbound22:42:175
3268912993735,2cyclictest3676504-21kworker/u16:4+events_unbound22:36:136
3268912993735,2cyclictest3605395-21kworker/u16:2+events_unbound22:29:016
3268912993735,2cyclictest3605395-21kworker/u16:2+events_unbound21:53:546
3268912993731,6cyclictest3503624-21kworker/u16:3+events_unbound21:46:096
3268909993735,2cyclictest3907310-21kworker/u16:1+events_unbound00:34:215
3268909993735,2cyclictest3773531-21kworker/u16:5+events_unbound23:46:175
3268909993735,2cyclictest3773531-21kworker/u16:5+events_unbound23:01:495
3268909993735,2cyclictest3773531-21kworker/u16:5+events_unbound23:01:495
3268909993735,2cyclictest3749363-21kworker/u16:1+events_unbound22:56:335
3268909993735,2cyclictest3676504-21kworker/u16:4+events_unbound22:25:265
3268909993735,2cyclictest3399449-21kworker/u16:4+events_unbound21:11:015
3268909993735,2cyclictest3389893-21kworker/u16:1+events_unbound21:23:495
3268912993634,2cyclictest3773531-21kworker/u16:5+flush-8:023:45:096
3268912993634,2cyclictest3503624-21kworker/u16:3+events_unbound22:06:376
3268909993634,2cyclictest3907310-21kworker/u16:1+events_unbound00:14:255
3268909993634,2cyclictest3882715-21kworker/u16:0+events_unbound23:53:175
3268909993634,2cyclictest3773531-21kworker/u16:5+events_unbound00:02:055
3268909993634,2cyclictest3772590-21kworker/u16:2+events_unbound23:38:365
3268909993634,2cyclictest3591337-21kworker/u16:0+events_unbound22:09:015
3268909993634,2cyclictest3503624-21kworker/u16:3+events_unbound22:21:065
3268909993633,2cyclictest3542952-21kworker/u16:4+events_unbound21:39:335
3268903993634,2cyclictest3239692-21kworker/u16:2+events_unbound21:13:334
3268912993533,2cyclictest3954712-21kworker/u16:2+events_unbound00:33:056
3268912993533,2cyclictest3907310-21kworker/u16:1+events_unbound00:27:096
3268912993533,2cyclictest3821267-21kworker/u16:0+events_unbound23:24:206
3268912993533,2cyclictest3503624-21kworker/u16:3+flush-8:022:15:176
3268912993533,2cyclictest3503624-21kworker/u16:3+events_unbound21:36:456
3268912993533,2cyclictest3503624-21kworker/u16:3+events_unbound21:36:456
3268912993533,2cyclictest3389893-21kworker/u16:1+events_unbound21:26:006
3268909993533,2cyclictest3954712-21kworker/u16:2+events_unbound00:27:005
3268909993533,2cyclictest3907310-21kworker/u16:1+events_unbound00:15:535
3268909993533,2cyclictest3734108-21kworker/u16:0+events_unbound22:49:015
3268909993533,2cyclictest3676504-21kworker/u16:4+events_unbound22:39:175
3268909993533,2cyclictest3605395-21kworker/u16:2+events_unbound22:33:585
3268909993533,2cyclictest3605395-21kworker/u16:2+events_unbound21:56:465
3268909993533,2cyclictest3591337-21kworker/u16:0+events_unbound22:19:175
3268909993533,2cyclictest3518459-21kworker/u16:0+events_unbound21:18:345
3268909993533,2cyclictest3503624-21kworker/u16:3+events_unbound21:31:225
3268903993534,1cyclictest3542952-21kworker/u16:4+events_unbound21:41:224
3268903993533,2cyclictest3907310-21kworker/u16:1+events_unbound00:25:364
3268903993533,2cyclictest3882715-21kworker/u16:0+events_unbound23:50:334
3268903993533,2cyclictest3773531-21kworker/u16:5+events_unbound23:32:324
3268903993533,2cyclictest3772590-21kworker/u16:2+events_unbound23:17:334
3268903993533,2cyclictest3503624-21kworker/u16:3+events_unbound22:26:214
3268912993432,2cyclictest3907310-21kworker/u16:1+events_unbound00:21:006
3268912993432,2cyclictest3907310-21kworker/u16:1+events_unbound00:21:006
3268912993432,2cyclictest3772590-21kworker/u16:2+events_unbound23:30:546
3268912993432,2cyclictest3749363-21kworker/u16:1+events_unbound22:56:216
3268912993432,2cyclictest3734108-21kworker/u16:0+events_unbound22:53:466
3268912993432,2cyclictest3734108-21kworker/u16:0+events_unbound22:42:226
3268912993432,2cyclictest3676504-21kworker/u16:4+flush-8:022:45:096
3268912993432,2cyclictest3605395-21kworker/u16:2+events_unbound22:20:456
3268912993432,2cyclictest3542952-21kworker/u16:4+events_unbound21:32:346
3268909993432,2cyclictest3989306-21kworker/u16:0+events_unbound00:39:145
3268909993432,2cyclictest3907310-21kworker/u16:1+events_unbound23:56:215
3268909993432,2cyclictest3773531-21kworker/u16:5+events_unbound23:31:245
3268909993432,2cyclictest3772590-21kworker/u16:2+events_unbound23:06:385
3268909993432,2cyclictest3749363-21kworker/u16:1+events_unbound22:53:505
3268909993432,2cyclictest3605395-21kworker/u16:2+events_unbound21:54:105
3268909993432,2cyclictest3542952-21kworker/u16:4+events_unbound21:37:455
3268909993432,2cyclictest3542952-21kworker/u16:4+events_unbound21:37:455
3268903993432,2cyclictest3605395-21kworker/u16:2+events_unbound22:24:164
3268903993432,2cyclictest3503624-21kworker/u16:3+events_unbound22:16:214
3268903993432,2cyclictest3503624-21kworker/u16:3+events_unbound21:51:104
3268912993331,2cyclictest3907310-21kworker/u16:1+flush-8:000:01:326
3268912993331,2cyclictest3894786-21kworker/u16:4+events_unbound23:57:176
3268912993331,2cyclictest3882715-21kworker/u16:0+events_unbound23:53:096
3268912993331,2cyclictest3734108-21kworker/u16:0+events_unbound23:06:096
3268912993331,2cyclictest3518459-21kworker/u16:0+flush-8:021:15:096
3268909993331,2cyclictest3821267-21kworker/u16:0+events_unbound23:18:365
3268909993331,2cyclictest3773531-21kworker/u16:5+events_unbound00:05:495
3268909993331,2cyclictest3503624-21kworker/u16:3+events_unbound22:00:335
3268909993331,2cyclictest3503624-21kworker/u16:3+events_unbound21:25:265
3268903993331,2cyclictest3907310-21kworker/u16:1+events_unbound23:58:374
3268903993331,2cyclictest3907310-21kworker/u16:1+events_unbound00:36:014
3268903993331,2cyclictest3773531-21kworker/u16:5+events_unbound00:18:064
3268903993331,2cyclictest3605395-21kworker/u16:2+events_unbound22:37:254
3268903993331,2cyclictest3503624-21kworker/u16:3+events_unbound21:58:264
3268912993230,2cyclictest3907310-21kworker/u16:1+events_unbound00:09:246
3268912993230,2cyclictest3637635-21kworker/u16:1+flush-8:022:00:166
3268903993230,2cyclictest3907310-21kworker/u16:1+events_unbound00:13:384
3268903993230,2cyclictest3868323-21kworker/u16:1+events_unbound23:39:094
3268903993230,2cyclictest3542952-21kworker/u16:4+events_unbound21:37:164
3268903993230,2cyclictest3542952-21kworker/u16:4+events_unbound21:37:164
3268912993129,2cyclictest3772590-21kworker/u16:2+events_unbound23:27:086
3268912993129,2cyclictest3676504-21kworker/u16:4+events_unbound22:31:106
3268912993129,2cyclictest3503624-21kworker/u16:3+events_unbound21:41:016
3268912993129,2cyclictest3399449-21kworker/u16:4+events_unbound21:11:146
3268909993129,2cyclictest3772590-21kworker/u16:2+events_unbound23:28:575
3268909993129,2cyclictest3542952-21kworker/u16:4+events_unbound21:48:185
3268903993129,2cyclictest3734108-21kworker/u16:0+events_unbound23:01:534
3268903993129,2cyclictest3734108-21kworker/u16:0+events_unbound23:01:534
3268903993129,2cyclictest3503624-21kworker/u16:3+events_unbound21:47:064
3268903993129,2cyclictest3503624-21kworker/u16:3+events_unbound21:30:164
326858323120,8sleep60-21swapper/619:08:566
3268912993028,2cyclictest3773531-21kworker/u16:5+events_unbound00:17:376
3268912993028,2cyclictest3773531-21kworker/u16:5+events_unbound00:11:336
3268912993028,2cyclictest3772590-21kworker/u16:2+events_unbound23:12:566
3268909993028,2cyclictest3821267-21kworker/u16:0+events_unbound23:21:005
3268903993028,2cyclictest3518459-21kworker/u16:0+events_unbound21:17:204
3268903993028,2cyclictest3389893-21kworker/u16:1+events_unbound21:23:154
3268903993027,2cyclictest3773531-21kworker/u16:5+events_unbound23:59:344
3268903993027,2cyclictest3772590-21kworker/u16:2+events_unbound23:08:344
3268903993027,2cyclictest3379823-21kworker/u16:0+events_unbound20:14:324
3268912992927,2cyclictest3749363-21kworker/u16:1+events_unbound23:16:546
3268912992927,2cyclictest3591337-21kworker/u16:0+events_unbound21:58:326
3268912992927,2cyclictest3399449-21kworker/u16:4+events_unbound21:06:456
3268909992927,2cyclictest3239692-21kworker/u16:2+events_unbound20:13:415
3268909992927,2cyclictest3239692-21kworker/u16:2+events_unbound20:13:415
3268903992927,2cyclictest3907310-21kworker/u16:1+events_unbound00:05:364
3268903992927,2cyclictest3749363-21kworker/u16:1+events_unbound22:56:524
3268903992927,2cyclictest3605395-21kworker/u16:2+events_unbound22:48:304
3268903992927,2cyclictest3591337-21kworker/u16:0+events_unbound22:10:314
3268903992926,2cyclictest3605395-21kworker/u16:2+events_unbound22:29:384
3268912992826,2cyclictest3773531-21kworker/u16:5+events_unbound23:40:586
3268909992826,2cyclictest3389893-21kworker/u16:1+events_unbound20:45:015
3268903992826,2cyclictest3907310-21kworker/u16:1+events_unbound00:20:354
3268903992826,2cyclictest3907310-21kworker/u16:1+events_unbound00:20:354
3268903992826,2cyclictest3773531-21kworker/u16:5+events_unbound23:40:434
3268903992826,2cyclictest3637635-21kworker/u16:1+events_unbound22:01:364
3268903992826,2cyclictest3379823-21kworker/u16:0+events_unbound20:38:054
3268903992825,2cyclictest3389893-21kworker/u16:1+events_unbound20:24:324
3268912992725,2cyclictest3239692-21kworker/u16:2+events_unbound19:39:296
3268903992725,2cyclictest3773531-21kworker/u16:5+events_unbound23:47:474
3268903992725,2cyclictest3676504-21kworker/u16:4+events_unbound22:40:474
3268903992725,2cyclictest3503624-21kworker/u16:3+events_unbound22:07:144
3268903992725,2cyclictest3389893-21kworker/u16:1+events_unbound21:28:324
3268903992725,2cyclictest3302022-21kworker/u16:3+events_unbound20:07:064
3268903992725,2cyclictest3268636-21kworker/u16:1+events_unbound19:24:224
3268909992624,2cyclictest3302022-21kworker/u16:3+events_unbound19:41:545
3268909992624,2cyclictest3268636-21kworker/u16:1+events_unbound19:20:065
3268903992624,2cyclictest3379823-21kworker/u16:0+events_unbound20:41:304
3268903992624,2cyclictest3239692-21kworker/u16:2+events_unbound19:37:304
3268912992523,2cyclictest3389893-21kworker/u16:1+events_unbound20:27:416
3268909992523,2cyclictest3239692-21kworker/u16:2+events_unbound20:00:025
3268903992523,2cyclictest3734108-21kworker/u16:0+events_unbound22:53:444
3268903992523,2cyclictest3389893-21kworker/u16:1+events_unbound20:31:054
3268903992522,2cyclictest3734108-21kworker/u16:0+flush-8:023:09:354
3268912992422,2cyclictest3907310-21kworker/u16:1+events_unbound00:37:036
3268912992422,2cyclictest3389893-21kworker/u16:1+events_unbound20:15:016
3268912992422,2cyclictest3302022-21kworker/u16:3+events_unbound19:32:046
3268912992422,2cyclictest3283566-21kworker/u16:4+events_unbound19:19:276
3268903992422,2cyclictest3954712-21kworker/u16:2+events_unbound00:30:354
3268903992422,2cyclictest3302022-21kworker/u16:3+events_unbound19:42:294
3268903992422,2cyclictest3239692-21kworker/u16:2+events_unbound20:14:104
3268903992422,2cyclictest3239692-21kworker/u16:2+events_unbound20:14:104
3268903992422,2cyclictest3239692-21kworker/u16:2+events_unbound20:02:054
3268909992321,2cyclictest3399449-21kworker/u16:4+events_unbound20:33:415
3268909992321,2cyclictest3379823-21kworker/u16:0+events_unbound20:23:415
3268909992321,2cyclictest3239692-21kworker/u16:2+events_unbound19:18:095
3268903992321,2cyclictest3772590-21kworker/u16:2+events_unbound23:28:144
3268903992321,2cyclictest3239692-21kworker/u16:2+events_unbound19:14:054
3268914992220,1cyclictest3965121-21ssh00:15:027
3268909992219,2cyclictest3399449-21kworker/u16:4+events_unbound21:04:425
3268903992220,2cyclictest3399449-21kworker/u16:4+events_unbound20:55:134
3268903992220,2cyclictest3399449-21kworker/u16:4+events_unbound20:51:304
3268903992220,2cyclictest3283566-21kworker/u16:4+events_unbound19:17:304
3268903992220,2cyclictest3239692-21kworker/u16:2+events_unbound19:27:464
35169162210,1chrt3516917-21ssh21:11:397
3268914992120,0cyclictest0-21swapper/721:30:077
3268914992120,0cyclictest0-21swapper/720:43:147
3268914992120,0cyclictest0-21swapper/719:47:497
3268912992119,2cyclictest3341045-21kworker/u16:4+events_unbound19:47:266
3268912992119,2cyclictest3302022-21kworker/u16:3+events_unbound19:55:016
3268912992119,2cyclictest3239692-21kworker/u16:2+events_unbound20:48:096
3268903992119,2cyclictest3389893-21kworker/u16:1+events_unbound20:24:104
3268903992119,2cyclictest3341045-21kworker/u16:4+events_unbound19:48:174
3268903992119,2cyclictest3239692-21kworker/u16:2+events_unbound21:01:034
3268914992019,0cyclictest0-21swapper/719:40:067
3268914992019,0cyclictest0-21swapper/719:13:537
3268914992015,4cyclictest645-21systemd-journal22:59:297
3268912992018,2cyclictest3239692-21kworker/u16:2+flush-8:019:24:056
3268912992018,2cyclictest3239692-21kworker/u16:2+events_unbound19:14:306
3268909992018,2cyclictest3195285-21kworker/u16:0+events_unbound19:27:055
3268909992017,2cyclictest3389893-21kworker/u16:1+flush-8:020:39:365
3268909992017,2cyclictest3239692-21kworker/u16:2+events_unbound19:34:385
3268903992018,2cyclictest3389893-21kworker/u16:1+events_unbound20:47:574
3268903992018,2cyclictest3302022-21kworker/u16:3+events_unbound19:53:144
3268914991918,0cyclictest0-21swapper/720:36:107
3268914991918,0cyclictest0-21swapper/720:15:137
3268914991918,0cyclictest0-21swapper/719:55:057
3268914991917,1cyclictest0-21swapper/722:34:537
326891499190,17cyclictest6337-21gmain20:01:527
3268909991917,2cyclictest3302022-21kworker/u16:3+events_unbound20:08:095
3268909991917,2cyclictest3239692-21kworker/u16:2+events_unbound19:10:025
3268903991917,2cyclictest3239692-21kworker/u16:2+events_unbound19:31:134
3268914991817,0cyclictest0-21swapper/720:49:377
3268914991817,0cyclictest0-21swapper/720:29:157
3268914991817,0cyclictest0-21swapper/720:11:547
3268914991817,0cyclictest0-21swapper/720:11:547
326891499180,16cyclictest3588936-21ssh21:40:007
3268912991816,2cyclictest3467548-21kworker/u16:3+events_unbound20:55:466
3268912991816,2cyclictest3195285-21kworker/u16:0+events_unbound19:54:056
3268912991815,2cyclictest3239692-21kworker/u16:2+flush-8:020:04:316
3268912991815,2cyclictest3239692-21kworker/u16:2+events_unbound20:49:336
3268909991816,2cyclictest3239692-21kworker/u16:2+events_unbound20:25:465
3268909991816,2cyclictest3239692-21kworker/u16:2+events_unbound20:16:065
3268914991716,0cyclictest0-21swapper/720:59:377
3268914991715,1cyclictest0-21swapper/700:09:307
3268914991711,5cyclictest3389503-21latency_hist20:09:307
3268912991715,2cyclictest3399449-21kworker/u16:4+flush-8:021:00:456
3268912991715,2cyclictest3379823-21kworker/u16:0+events_unbound20:38:076
3268912991715,2cyclictest3239692-21kworker/u16:2+events_unbound20:07:186
3268909991715,2cyclictest3302022-21kworker/u16:3+events_unbound19:48:305
3268903991715,2cyclictest3341045-21kworker/u16:4+events_unbound19:58:174
3268914991615,0cyclictest0-21swapper/723:30:177
3268914991615,0cyclictest0-21swapper/723:24:547
3268914991615,0cyclictest0-21swapper/720:20:437
3268914991615,0cyclictest0-21swapper/719:52:487
3268914991614,1cyclictest3687606-21ssh22:22:477
3268914991614,1cyclictest0-21swapper/723:49:457
3268914991613,2cyclictest1274-21snmpd21:44:457
3268914991613,2cyclictest1274-21snmpd20:33:007
3268914991612,3cyclictest3649806-21sh22:05:047
326891499160,15cyclictest0-21swapper/721:49:557
326891499160,14cyclictest0-21swapper/721:24:547
3268912991614,2cyclictest3389893-21kworker/u16:1+events_unbound20:43:296
3268912991614,2cyclictest3389893-21kworker/u16:1+events_unbound20:33:066
3268912991613,2cyclictest3268636-21kworker/u16:1+events_unbound19:24:346
3268909991614,2cyclictest3195285-21kworker/u16:0+events_unbound19:54:305
3268914991514,0cyclictest0-21swapper/722:24:537
3268914991514,0cyclictest0-21swapper/721:55:167
3268914991514,0cyclictest0-21swapper/721:06:397
3268914991511,3cyclictest3834115-21latency_hist23:24:307
3268912991513,2cyclictest3379823-21kworker/u16:0+events_unbound20:21:306
3268909991513,2cyclictest3399449-21kworker/u16:4+events_unbound20:55:545
3268909991513,2cyclictest3239692-21kworker/u16:2+events_unbound19:31:175
3268903991513,2cyclictest3399449-21kworker/u16:4+events_unbound21:06:004
3268914991413,0cyclictest0-21swapper/723:48:297
3268914991413,0cyclictest0-21swapper/721:19:337
3268914991413,0cyclictest0-21swapper/720:58:507
3268914991413,0cyclictest0-21swapper/719:36:517
3268914991413,0cyclictest0-21swapper/719:32:567
3268914991412,1cyclictest0-21swapper/722:00:067
3268912991412,2cyclictest3389893-21kworker/u16:1+events_unbound20:11:056
3268912991412,2cyclictest3389893-21kworker/u16:1+events_unbound20:11:056
3268912991412,2cyclictest3268636-21kworker/u16:1+events_unbound19:41:056
3268909991412,2cyclictest3399449-21kworker/u16:4+events_unbound20:52:465
3268909991412,2cyclictest3239692-21kworker/u16:2+events_unbound21:04:285
326890999140,1cyclictest0-21swapper/520:34:595
326891499139,3cyclictest1274-21snmpd22:52:147
326891499136,6cyclictest6337-21gmain19:19:567
3268914991312,0cyclictest0-21swapper/723:17:067
3268914991312,0cyclictest0-21swapper/719:25:357
326891499129,2cyclictest1274-21snmpd21:35:467
326891499129,2cyclictest1274-21snmpd21:35:467
326891499128,3cyclictest1274-21snmpd23:41:577
326891499128,3cyclictest1274-21snmpd22:31:387
326891499128,3cyclictest1274-21snmpd21:15:127
326891499128,3cyclictest1274-21snmpd00:31:047
3268914991211,0cyclictest0-21swapper/720:45:107
3268914991211,0cyclictest0-21swapper/700:34:457
3268914991211,0cyclictest0-21swapper/700:00:467
3268909991210,2cyclictest3341045-21kworker/u16:4+events_unbound19:58:255
326891499119,1cyclictest3868968-21ssh23:36:447
326891499119,1cyclictest0-21swapper/723:09:447
326891499118,2cyclictest1274-21snmpd23:04:537
326891499118,2cyclictest0-21swapper/722:59:567
326891499118,2cyclictest0-21swapper/722:59:567
326891499118,2cyclictest0-21swapper/722:39:487
326891499118,2cyclictest0-21swapper/722:09:537
326891499117,3cyclictest1274-21snmpd19:16:407
326891499117,3cyclictest1274-21snmpd00:21:377
326891499117,3cyclictest1274-21snmpd00:21:377
326891499115,5cyclictest6241-21gvfs-afc-volume22:14:587
326891499115,5cyclictest4256-21sendmail00:09:487
326891499115,5cyclictest3746184-21ssh22:44:567
326891499110,10cyclictest1274-21snmpd23:57:337
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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