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2026-08-16 - 01:27
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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 highest latencies:
System rack0slot2.osadl.org (updated Sun Aug 16, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210748426151,7sleep50-21swapper/519:04:245
210771725419,30sleep70-21swapper/719:07:397
2108038994942,5cyclictest2441072-21latency_hist21:47:527
210749424635,8sleep40-21swapper/419:04:314
2108033994442,2cyclictest1840310-21kworker/u16:3+events_unbound19:18:225
632489410,33rtkit-daemon0-21swapper/619:03:556
2108038993933,5cyclictest648-21systemd-journal21:02:517
2108028993936,2cyclictest2316271-21kworker/u16:1+events_unbound22:03:054
2108033993836,2cyclictest2522977-21kworker/u16:4+events_unbound22:41:295
2108033993735,2cyclictest2522977-21kworker/u16:4+flush-8:022:28:265
2108033993634,2cyclictest2366781-21kworker/u16:2+events_unbound21:21:155
2108033993631,2cyclictest1840310-21kworker/u16:3+flush-8:019:12:525
2108033993533,2cyclictest2753763-21kworker/u16:2+events_unbound00:31:545
2108033993533,2cyclictest2693285-21kworker/u16:4+events_unbound23:41:585
2108033993533,2cyclictest2693285-21kworker/u16:4+events_unbound23:41:585
2108033993533,2cyclictest2487954-21kworker/u16:0+events_unbound22:07:095
2108034993432,2cyclictest2228419-21kworker/u16:0+events_unbound20:43:076
2108033993432,2cyclictest2741196-21kworker/u16:0+flush-8:023:57:215
2108033993432,2cyclictest2692607-21kworker/u16:3+flush-8:000:06:135
2108033993432,2cyclictest2692607-21kworker/u16:3+events_unbound23:51:175
2108033993432,2cyclictest2692607-21kworker/u16:3+events_unbound23:45:545
2108033993432,2cyclictest2669181-21kworker/u16:1+events_unbound23:33:515
2108033993432,2cyclictest2572105-21kworker/u16:1+events_unbound23:11:135
2108033993432,2cyclictest2572105-21kworker/u16:1+events_unbound22:46:265
2108033993432,2cyclictest2392842-21kworker/u16:0+events_unbound21:52:145
2108033993432,2cyclictest2366781-21kworker/u16:2+events_unbound22:13:385
2108033993432,2cyclictest2247541-21kworker/u16:4+flush-8:021:10:575
2108033993331,2cyclictest2803550-21kworker/u16:0+events_unbound00:21:545
2108033993331,2cyclictest2753763-21kworker/u16:2+events_unbound00:15:095
2108033993331,2cyclictest2572105-21kworker/u16:1+flush-8:023:01:535
2108033993331,2cyclictest2572105-21kworker/u16:1+flush-8:023:01:535
2108033993331,2cyclictest2522977-21kworker/u16:4+events_unbound23:14:585
2108033993331,2cyclictest2475023-21kworker/u16:4+events_unbound22:00:425
2108033993331,2cyclictest2366781-21kworker/u16:2+flush-8:021:54:495
2108033993331,2cyclictest2366781-21kworker/u16:2+events_unbound22:26:065
2108033993331,2cyclictest2366781-21kworker/u16:2+events_unbound21:26:555
2108033993331,2cyclictest2366781-21kworker/u16:2+events_unbound21:16:545
2108038993227,4cyclictest2777450-21latency_hist00:07:527
2108034993230,2cyclictest2366781-21kworker/u16:2+events_unbound21:43:056
2108034993228,3cyclictest2209472-21kworker/u16:3+flush-8:020:18:186
2108034993228,3cyclictest2209472-21kworker/u16:3+flush-8:020:18:186
2108033993230,2cyclictest2631167-21kworker/u16:0+events_unbound23:21:095
2108033993230,2cyclictest2572105-21kworker/u16:1+events_unbound22:48:545
2108033993230,2cyclictest2487954-21kworker/u16:0+events_unbound22:10:175
2108033993230,2cyclictest2366781-21kworker/u16:2+events_unbound21:40:545
2108033993230,2cyclictest2366781-21kworker/u16:2+events_unbound21:40:545
2108033993230,2cyclictest2366781-21kworker/u16:2+events_unbound21:29:425
2108033993229,2cyclictest2631167-21kworker/u16:0+events_unbound23:29:455
2108033993228,3cyclictest2228419-21kworker/u16:0+flush-8:020:58:105
2108028993229,2cyclictest2522977-21kworker/u16:4+flush-8:022:53:184
2108028993229,2cyclictest1840310-21kworker/u16:3+flush-8:019:33:104
2108033993129,2cyclictest2803550-21kworker/u16:0+flush-8:000:34:545
2108033993129,2cyclictest2753763-21kworker/u16:2+events_unbound00:01:295
2108033993129,2cyclictest2669181-21kworker/u16:1+events_unbound00:11:505
2108033993129,2cyclictest2657023-21kworker/u16:3+events_unbound23:24:385
2108033993129,2cyclictest2522977-21kworker/u16:4+events_unbound22:20:545
2108033993129,2cyclictest2522977-21kworker/u16:4+events_unbound22:20:545
2108033993129,2cyclictest2316271-21kworker/u16:1+flush-8:022:33:545
2108033993129,2cyclictest2316271-21kworker/u16:1+events_unbound21:45:395
2108033993028,2cyclictest2753763-21kworker/u16:2+events_unbound00:26:105
2108033993028,2cyclictest2753763-21kworker/u16:2+events_unbound00:26:105
2108033993028,2cyclictest2631167-21kworker/u16:0+flush-8:023:04:375
2108033993028,2cyclictest2132977-21kworker/u16:4+flush-8:019:23:145
2108033993027,2cyclictest2228419-21kworker/u16:0+events_unbound20:47:545
2108033993027,2cyclictest2228419-21kworker/u16:0+events_unbound20:18:025
2108033993027,2cyclictest2228419-21kworker/u16:0+events_unbound20:18:025
2108028993027,2cyclictest2692607-21kworker/u16:3+flush-8:023:48:074
2108033992927,2cyclictest2392842-21kworker/u16:0+events_unbound21:35:515
2108033992927,2cyclictest2132977-21kworker/u16:4+flush-8:019:58:265
2108033992927,2cyclictest1840310-21kworker/u16:3+events_unbound19:13:075
2108033992826,2cyclictest2366781-21kworker/u16:2+events_unbound22:55:415
2108033992826,2cyclictest2189356-21kworker/u16:0+events_unbound19:45:015
2108033992725,2cyclictest2069502-21kworker/u16:1+events_unbound20:16:035
26558692260,1chrt2655867-21ssh23:15:077
2108038992620,5cyclictest2247867-21latency_hist20:17:527
2108034992624,2cyclictest2209472-21kworker/u16:3+events_unbound21:26:346
2108033992624,2cyclictest1840310-21kworker/u16:3+events_unbound19:30:025
2108033992623,2cyclictest1840310-21kworker/u16:3+events_unbound19:32:545
2108038992519,5cyclictest648-21systemd-journal21:52:517
2108034992523,2cyclictest2366781-21kworker/u16:2+events_unbound22:15:026
2108033992523,2cyclictest2316271-21kworker/u16:1+events_unbound21:05:025
2108033992523,2cyclictest2169792-21kworker/u16:2+events_unbound19:39:035
2108033992523,2cyclictest2069502-21kworker/u16:1+flush-8:020:10:025
2108028992523,2cyclictest2209472-21kworker/u16:3+flush-8:021:48:124
2108028992522,2cyclictest2132977-21kworker/u16:4+flush-8:019:58:084
2108034992422,2cyclictest2631167-21kworker/u16:0+events_unbound23:17:176
2108034992321,2cyclictest2522977-21kworker/u16:4+events_unbound22:51:426
2108034992321,2cyclictest1840310-21kworker/u16:3+events_unbound19:18:186
2108033992321,2cyclictest2247541-21kworker/u16:4+events_unbound20:36:035
2108033992321,2cyclictest2209472-21kworker/u16:3+events_unbound20:32:015
2108028992321,2cyclictest2572105-21kworker/u16:1+flush-8:022:43:174
2108038992221,0cyclictest0-21swapper/723:48:567
2108038992221,0cyclictest0-21swapper/723:10:527
2108038992221,0cyclictest0-21swapper/719:40:317
2108038992220,1cyclictest0-21swapper/700:24:207
2108038992220,1cyclictest0-21swapper/700:24:207
2108034992220,2cyclictest2522977-21kworker/u16:4+events_unbound22:39:306
2108034992220,2cyclictest2209472-21kworker/u16:3+events_unbound22:05:436
2108034992220,2cyclictest2209472-21kworker/u16:3+events_unbound20:03:056
2108038992120,0cyclictest0-21swapper/720:07:237
2108038992120,0cyclictest0-21swapper/719:09:267
2108038992119,1cyclictest0-21swapper/722:57:287
2108034992119,2cyclictest2693285-21kworker/u16:4+events_unbound00:03:266
2108034992119,2cyclictest2692607-21kworker/u16:3+events_unbound00:18:296
2108034992119,2cyclictest2366781-21kworker/u16:2+events_unbound22:36:306
2108034992119,2cyclictest2366781-21kworker/u16:2+events_unbound21:55:356
2108034992119,2cyclictest2316271-21kworker/u16:1+events_unbound22:09:186
2108034992119,2cyclictest2316271-21kworker/u16:1+events_unbound21:12:576
2108034992119,2cyclictest2316271-21kworker/u16:1+events_unbound21:12:226
2108038992019,0cyclictest0-21swapper/720:39:097
2108038992019,0cyclictest0-21swapper/720:00:117
2108038992018,1cyclictest2524908-21ssh22:22:287
2108038992018,1cyclictest2524908-21ssh22:22:287
2108038992014,5cyclictest648-21systemd-journal21:27:527
2108034992018,2cyclictest2692607-21kworker/u16:3+events_unbound00:12:456
2108034992018,2cyclictest2522977-21kworker/u16:4+events_unbound22:55:576
2108034992017,2cyclictest2803550-21kworker/u16:0+events_unbound00:22:546
2108034992017,2cyclictest2803550-21kworker/u16:0+events_unbound00:22:546
2108033992018,2cyclictest2069502-21kworker/u16:1+events_unbound19:55:025
2108038991918,0cyclictest0-21swapper/723:43:387
2108038991918,0cyclictest0-21swapper/721:55:107
2108038991918,0cyclictest0-21swapper/719:19:157
2108038991917,1cyclictest2344988-21diskmemload23:28:037
2108034991917,2cyclictest2522977-21kworker/u16:4+events_unbound22:30:466
2108034991917,2cyclictest2522977-21kworker/u16:4+events_unbound22:20:486
2108034991917,2cyclictest2522977-21kworker/u16:4+events_unbound22:20:486
2108034991917,2cyclictest2366781-21kworker/u16:2+events_unbound21:33:386
2108034991917,2cyclictest2316271-21kworker/u16:1+events_unbound22:26:386
2108038991817,0cyclictest0-21swapper/720:18:137
2108038991817,0cyclictest0-21swapper/720:18:137
2108038991817,0cyclictest0-21swapper/700:00:367
2108038991815,2cyclictest1302-21snmpd23:18:417
2108034991816,2cyclictest2741196-21kworker/u16:0+events_unbound23:54:136
2108034991816,2cyclictest2693285-21kworker/u16:4+events_unbound00:02:416
2108034991816,2cyclictest2522977-21kworker/u16:4+events_unbound22:59:226
2108034991816,2cyclictest2522977-21kworker/u16:4+events_unbound22:59:226
2108034991816,2cyclictest2392842-21kworker/u16:0+events_unbound21:52:306
2108033991816,2cyclictest2209472-21kworker/u16:3+events_unbound20:05:025
2108028991816,2cyclictest2366781-21kworker/u16:2+events_unbound21:33:224
2108038991716,0cyclictest0-21swapper/719:24:417
2108038991713,3cyclictest2541524-21kthreadcore22:28:127
2108038991713,3cyclictest1302-21snmpd21:05:297
210803899170,15cyclictest2630280-21ssh23:03:177
2108034991716,1cyclictest2209472-21kworker/u16:3+events_unbound21:03:196
2108034991715,2cyclictest2657023-21kworker/u16:3+events_unbound23:18:056
2108034991715,2cyclictest2631167-21kworker/u16:0+events_unbound23:24:176
2108034991715,2cyclictest2316271-21kworker/u16:1+events_unbound21:39:346
2108034991715,2cyclictest2316271-21kworker/u16:1+events_unbound21:39:346
2108034991715,2cyclictest2247541-21kworker/u16:4+events_unbound20:28:026
2108028991715,2cyclictest2316271-21kworker/u16:1+flush-8:021:23:074
210803899168,7cyclictest6124-21gmain22:58:097
210803899168,7cyclictest6124-21gmain22:58:097
2108038991615,0cyclictest0-21swapper/720:25:597
2108038991615,0cyclictest0-21swapper/719:43:317
2108038991614,1cyclictest2344988-21diskmemload23:42:107
2108038991614,1cyclictest2344988-21diskmemload23:42:107
2108038991614,1cyclictest0-21swapper/722:48:277
210803899160,15cyclictest1256-21tuned-ppd21:08:397
2108034991615,1cyclictest2803550-21kworker/u16:0+events_unbound00:29:196
2108034991614,2cyclictest2669181-21kworker/u16:1+events_unbound00:13:436
2108034991614,2cyclictest2572105-21kworker/u16:1+events_unbound23:10:446
2108034991614,2cyclictest2228419-21kworker/u16:0+events_unbound20:08:536
2108034991614,2cyclictest2189356-21kworker/u16:0+events_unbound19:46:346
2108033991614,2cyclictest2228419-21kworker/u16:0+events_unbound20:55:515
2108033991614,2cyclictest2069502-21kworker/u16:1+flush-8:019:47:575
2108028991614,2cyclictest2209472-21kworker/u16:3+flush-8:020:58:574
2108028991612,3cyclictest2669181-21kworker/u16:1+flush-8:023:53:094
2108038991513,1cyclictest2848661-21ssh00:36:167
2108038991510,4cyclictest2369023-21latency_hist21:17:527
2108034991513,2cyclictest2692607-21kworker/u16:3+events_unbound00:35:546
2108034991513,2cyclictest2572105-21kworker/u16:1+events_unbound23:05:106
2108034991513,2cyclictest2572105-21kworker/u16:1+events_unbound22:46:306
2108034991513,2cyclictest2209472-21kworker/u16:3+events_unbound20:59:016
2108034991513,2cyclictest2069502-21kworker/u16:1+events_unbound19:39:486
2108034991513,2cyclictest2044369-21kworker/u16:0+flush-8:019:08:546
2108034991513,2cyclictest1840310-21kworker/u16:3+events_unbound19:32:036
2108033991513,2cyclictest2247541-21kworker/u16:4+events_unbound20:22:535
2108028991513,2cyclictest2657023-21kworker/u16:3+events_unbound23:23:204
2108028991513,2cyclictest2316271-21kworker/u16:1+flush-8:021:13:094
2108038991413,0cyclictest0-21swapper/720:36:447
2108038991413,0cyclictest0-21swapper/700:14:407
2108038991412,1cyclictest2344988-21diskmemload21:22:347
210803899140,1cyclictest2344988-21diskmemload22:13:157
210803899140,1cyclictest0-21swapper/722:23:157
210803899140,13cyclictest0-21swapper/721:38:157
210803899140,13cyclictest0-21swapper/721:38:157
210803499147,6cyclictest2706822-21irqcore23:38:106
210803499147,6cyclictest2706822-21irqcore23:38:106
2108034991413,1cyclictest0-21swapper/621:18:166
2108034991412,2cyclictest2669181-21kworker/u16:1+events_unbound23:50:106
2108034991412,2cyclictest2267514-21kworker/u16:2+events_unbound20:41:396
2108034991412,2cyclictest2228419-21kworker/u16:0+events_unbound20:17:356
2108034991412,2cyclictest2132977-21kworker/u16:4+events_unbound19:58:596
210803499140,14cyclictest0-21swapper/621:58:386
2108028991413,1cyclictest0-21swapper/423:14:264
2108028991413,1cyclictest0-21swapper/423:11:274
2108028991413,1cyclictest0-21swapper/422:51:254
2108028991413,1cyclictest0-21swapper/422:18:284
2108028991413,1cyclictest0-21swapper/422:18:284
2108028991413,1cyclictest0-21swapper/421:31:394
2108028991413,1cyclictest0-21swapper/400:32:294
2108028991412,1cyclictest0-21swapper/422:38:064
2108028991411,2cyclictest2097001-21kworker/u16:2+flush-8:019:18:094
2108028991410,3cyclictest2209472-21kworker/u16:3+flush-8:021:03:174
210802899140,14cyclictest0-21swapper/422:10:264
210802899140,14cyclictest0-21swapper/421:59:524
210802899140,14cyclictest0-21swapper/400:04:164
210803899139,3cyclictest1302-21snmpd19:29:057
210803899138,4cyclictest2813444-21latency_hist00:22:517
210803899138,4cyclictest2681245-21latency_hist23:27:527
210803899138,4cyclictest1302-21snmpd23:36:577
2108038991312,0cyclictest0-21swapper/722:02:557
2108038991311,1cyclictest2417118-21awk21:37:517
210803899130,1cyclictest0-21swapper/720:08:177
2108034991311,2cyclictest2366781-21kworker/u16:2+events_unbound23:47:506
2108034991311,2cyclictest2247541-21kworker/u16:4+events_unbound20:56:056
2108034991311,2cyclictest2209472-21kworker/u16:3+events_unbound20:49:556
2108034991311,2cyclictest2209472-21kworker/u16:3+events_unbound20:36:346
2108034991311,2cyclictest2132977-21kworker/u16:4+events_unbound19:23:506
2108034991311,2cyclictest2069502-21kworker/u16:1+events_unbound19:51:556
2108034991311,1cyclictest2130298-21ntpq19:13:186
2108033991311,2cyclictest2247541-21kworker/u16:4+events_unbound20:40:425
2108028991312,1cyclictest0-21swapper/422:24:564
2108028991312,1cyclictest0-21swapper/421:18:334
2108028991312,1cyclictest0-21swapper/421:08:374
2108028991312,1cyclictest0-21swapper/419:48:134
2108028991312,1cyclictest0-21swapper/419:44:354
210802899130,1cyclictest0-21swapper/422:36:554
210802899130,1cyclictest0-21swapper/422:30:554
210802899130,1cyclictest0-21swapper/419:15:354
210802899130,13cyclictest0-21swapper/419:53:254
210803899129,2cyclictest1302-21snmpd23:55:337
210803899129,2cyclictest1302-21snmpd22:07:577
210803899128,3cyclictest1302-21snmpd22:45:587
2108038991212,0cyclictest0-21swapper/719:54:457
210803499126,2cyclictest86-21ksoftirqd/619:33:106
2108034991211,1cyclictest2693789-21grep23:33:046
2108034991211,1cyclictest2690534-21cat23:28:196
2108034991211,1cyclictest2267044-21kworker/u16:1+events_unbound20:25:436
2108028991211,1cyclictest0-21swapper/421:46:184
2108028991211,1cyclictest0-21swapper/420:44:494
2108028991211,1cyclictest0-21swapper/400:24:554
2108028991211,1cyclictest0-21swapper/400:24:554
210803899117,3cyclictest1302-21snmpd20:30:287
210803899117,3cyclictest1302-21snmpd19:47:547
210803899117,3cyclictest1302-21snmpd00:29:497
210803899116,4cyclictest2121481-21tune2fs19:12:567
210803899115,5cyclictest6233-21gvfs-afc-volume20:43:117
2108038991111,0cyclictest0-21swapper/719:33:077
2108038991110,0cyclictest0-21swapper/720:53:157
210803899110,10cyclictest2405116-21turbostat21:32:517
2108034991110,1cyclictest2400145-21grep21:28:126
2108034991110,1cyclictest2202123-21kthreadcore19:53:116
210803399119,2cyclictest2209472-21kworker/u16:3+flush-8:020:43:185
210802899117,3cyclictest2454369-21cat21:53:074
2108028991110,1cyclictest0-21swapper/423:40:274
2108028991110,1cyclictest0-21swapper/423:40:274
2108028991110,1cyclictest0-21swapper/423:37:274
2108028991110,1cyclictest0-21swapper/423:05:564
2108028991110,1cyclictest0-21swapper/420:41:114
2108028991110,1cyclictest0-21swapper/420:37:344
2108028991110,1cyclictest0-21swapper/420:14:144
2108028991110,1cyclictest0-21swapper/419:28:304
210803899107,2cyclictest2467976-21ssh21:58:137
210803899106,3cyclictest1302-21snmpd20:47:567
210803899105,5cyclictest6233-21gvfs-afc-volume00:08:297
210803899105,3cyclictest2549596-21rm22:33:047
210803899104,5cyclictest6233-21gvfs-afc-volume22:40:387
210802899109,1cyclictest0-21swapper/423:43:274
210802899109,1cyclictest0-21swapper/419:26:274
210802899109,1cyclictest0-21swapper/400:19:524
210802899108,2cyclictest2209472-21kworker/u16:3+flush-8:020:28:074
21080289998,1cyclictest0-21swapper/420:53:014
21080289998,1cyclictest0-21swapper/420:25:064
21080289998,1cyclictest0-21swapper/419:11:574
21080289998,1cyclictest0-21swapper/400:32:574
21080289998,1cyclictest0-21swapper/400:01:444
21080289994,4cyclictest2790672-21hddtemp_smartct00:13:074
21080289990,8cyclictest0-21swapper/422:13:104
21080289986,1cyclictest0-21swapper/400:08:134
21080289985,2cyclictest0-21swapper/423:18:114
21080289984,3cyclictest2308735-21kthreadcore20:48:084
21080289983,4cyclictest2682446-21fschecks_time23:28:064
21080289983,4cyclictest2610120-21df22:58:024
21080289983,4cyclictest2610120-21df22:58:024
21080289983,4cyclictest2426354-21cat21:38:184
21080289983,4cyclictest2426354-21cat21:38:184
21080289983,4cyclictest2248656-21expr20:18:034
21080289983,4cyclictest2248656-21expr20:18:034
21080289983,4cyclictest2171247-21sh19:38:074
21080289973,3cyclictest2229628-21if_err_p4p120:08:074
21080289972,4cyclictest2219445-21cstates20:03:044
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