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2026-03-27 - 02:45
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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 all highest latencies:
System rack0slot2.osadl.org (updated Fri Mar 27, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2660466995552,2cyclictest2807792-21kworker/u16:0+events_unbound20:53:155
2660459995553,2cyclictest3020801-21kworker/u16:2+events_unbound23:13:164
27775642540,5sleep50-21swapper/519:58:265
2660471995452,2cyclictest2631729-21kworker/u16:1+events_unbound19:13:236
2660466995452,2cyclictest2915278-21kworker/u16:1+events_unbound21:18:315
2660471995250,2cyclictest3057352-21kworker/u16:5+flush-8:022:38:166
2660459995250,2cyclictest2874556-21kworker/u16:3+events_unbound21:28:264
2660471995149,2cyclictest3250328-21kworker/u16:0+events_unbound00:28:296
266008225040,7sleep40-21swapper/419:01:374
2660471994947,2cyclictest2631729-21kworker/u16:1+flush-8:019:08:356
2660459994946,2cyclictest3310626-21kworker/u16:3+events_unbound00:18:174
2660459994946,2cyclictest3310626-21kworker/u16:3+events_unbound00:18:174
2660459994846,2cyclictest3056930-21kworker/u16:0+events_unbound22:33:154
2660459994745,2cyclictest3116893-21kworker/u16:4+events_unbound22:58:314
2660459994745,2cyclictest3116893-21kworker/u16:4+events_unbound22:58:314
2660471994644,2cyclictest3271984-21kworker/u16:2+events_unbound00:13:286
2660471994644,2cyclictest3271984-21kworker/u16:2+events_unbound00:13:286
2660471994644,2cyclictest3020801-21kworker/u16:2+events_unbound22:23:346
2660471994644,2cyclictest2740677-21kworker/u16:4+events_unbound19:48:266
2660471994543,2cyclictest3206795-21kworker/u16:3+events_unbound23:43:146
2660471994543,2cyclictest2740677-21kworker/u16:4+events_unbound19:53:316
2660459994542,2cyclictest3250328-21kworker/u16:0+events_unbound23:58:234
2660471994442,2cyclictest2915278-21kworker/u16:1+events_unbound21:18:246
2660471994442,2cyclictest2880047-21kworker/u16:4+events_unbound21:44:316
2660466994442,2cyclictest3116893-21kworker/u16:4+events_unbound22:58:275
2660466994442,2cyclictest3116893-21kworker/u16:4+events_unbound22:58:275
2660466994442,2cyclictest2631729-21kworker/u16:1+events_unbound19:38:165
2660459994442,2cyclictest3250329-21kworker/u16:4+flush-8:000:03:284
2660459994442,2cyclictest3225644-21kworker/u16:2+events_unbound23:43:304
2660459994442,2cyclictest2631729-21kworker/u16:1+flush-8:020:03:274
2660459994442,2cyclictest2597818-21kworker/u16:2+events_unbound19:23:274
2660471994341,2cyclictest3250328-21kworker/u16:0+events_unbound00:00:386
2660471994341,2cyclictest3093231-21kworker/u16:1+events_unbound23:48:296
2660471994341,2cyclictest3000165-21kworker/u16:0+flush-8:022:18:366
2660471994341,2cyclictest3000165-21kworker/u16:0+flush-8:022:18:366
2660471994341,2cyclictest2880047-21kworker/u16:4+events_unbound22:12:516
2660466994341,2cyclictest3093231-21kworker/u16:1+events_unbound23:48:195
2660459994341,2cyclictest3093231-21kworker/u16:1+events_unbound23:56:594
2660459994341,2cyclictest3093231-21kworker/u16:1+events_unbound23:25:354
2660459994341,2cyclictest3020801-21kworker/u16:2+flush-8:022:43:264
2660459994340,2cyclictest2915278-21kworker/u16:1+events_unbound21:26:114
2660471994240,2cyclictest3116893-21kworker/u16:4+events_unbound23:03:186
2660471994240,2cyclictest2880047-21kworker/u16:4+events_unbound21:33:256
2660471994239,2cyclictest2880047-21kworker/u16:4+events_unbound21:39:506
2660466994240,2cyclictest3286202-21kworker/u16:1+events_unbound00:08:025
2660459994240,2cyclictest3310626-21kworker/u16:3+events_unbound00:24:284
2660459994240,2cyclictest3116893-21kworker/u16:4+events_unbound23:08:154
2660459994240,2cyclictest3093231-21kworker/u16:1+events_unbound23:49:264
2660459994240,2cyclictest3057352-21kworker/u16:5+events_unbound22:48:514
2660459994240,2cyclictest3020801-21kworker/u16:2+events_unbound22:41:274
2660459994240,2cyclictest2880047-21kworker/u16:4+events_unbound21:52:514
2660459994240,2cyclictest2880047-21kworker/u16:4+events_unbound21:21:004
2660459994240,2cyclictest2631729-21kworker/u16:1+flush-8:019:28:304
2660459994240,2cyclictest2631729-21kworker/u16:1+flush-8:019:28:304
2660471994139,2cyclictest2597818-21kworker/u16:2+flush-8:019:23:166
2660459994139,2cyclictest3189695-21kworker/u16:0+flush-8:023:33:214
2660459994139,2cyclictest2631729-21kworker/u16:1+events_unbound19:38:244
2660459994138,2cyclictest2874556-21kworker/u16:3+events_unbound21:14:394
2660459994138,2cyclictest2631729-21kworker/u16:1+events_unbound19:58:164
26600472416,31sleep70-21swapper/719:01:087
2660471994038,2cyclictest2874556-21kworker/u16:3+flush-8:021:28:286
2660471994038,2cyclictest2631729-21kworker/u16:1+flush-8:020:23:266
2660466994038,2cyclictest2880047-21kworker/u16:4+events_unbound21:53:285
2660459994038,2cyclictest3286202-21kworker/u16:1+events_unbound00:08:174
2660459994038,2cyclictest3271984-21kworker/u16:2+events_unbound00:13:514
2660459994038,2cyclictest3271984-21kworker/u16:2+events_unbound00:13:514
2660459994038,2cyclictest3020801-21kworker/u16:2+events_unbound22:53:324
2660459994038,2cyclictest3020801-21kworker/u16:2+events_unbound22:19:594
2660459994038,2cyclictest3020801-21kworker/u16:2+events_unbound22:19:594
2660459994038,2cyclictest2874556-21kworker/u16:3+events_unbound21:12:594
2660459994038,2cyclictest2826736-21kworker/u16:2+events_unbound21:05:554
2660459994037,2cyclictest3000165-21kworker/u16:0+events_unbound22:09:034
2660471993937,2cyclictest3250328-21kworker/u16:0+events_unbound23:54:366
2660471993937,2cyclictest3057352-21kworker/u16:5+events_unbound22:56:206
2660471993937,2cyclictest2915278-21kworker/u16:1+events_unbound22:17:506
2660471993937,2cyclictest2880047-21kworker/u16:4+events_unbound20:58:246
2660471993937,2cyclictest2631729-21kworker/u16:1+events_unbound20:03:316
2660471993937,2cyclictest2631729-21kworker/u16:1+events_unbound19:58:186
2660466993937,2cyclictest3000165-21kworker/u16:0+events_unbound22:18:315
2660466993937,2cyclictest3000165-21kworker/u16:0+events_unbound22:18:315
2660459993937,2cyclictest3020801-21kworker/u16:2+events_unbound22:32:264
2660471993835,2cyclictest3271984-21kworker/u16:2+events_unbound00:23:166
2660466993836,2cyclictest3271984-21kworker/u16:2+events_unbound00:23:345
2660466993835,2cyclictest2631729-21kworker/u16:1+flush-8:019:38:015
2660459993836,2cyclictest3000165-21kworker/u16:0+events_unbound22:15:474
2660476993730,6cyclictest3310156-21latency_hist00:18:007
2660476993730,6cyclictest3310156-21latency_hist00:18:007
2660471993735,2cyclictest3206795-21kworker/u16:3+events_unbound23:35:476
2660466993735,2cyclictest3271984-21kworker/u16:2+events_unbound00:13:345
2660466993735,2cyclictest3271984-21kworker/u16:2+events_unbound00:13:345
2660459993735,2cyclictest3250328-21kworker/u16:0+events_unbound00:31:074
2660459993735,2cyclictest3189695-21kworker/u16:0+events_unbound23:39:474
2660459993735,2cyclictest3116893-21kworker/u16:4+events_unbound23:21:484
2660459993735,2cyclictest3116893-21kworker/u16:4+events_unbound23:05:434
2660459993735,2cyclictest2915278-21kworker/u16:1+flush-8:022:23:194
2660459993734,2cyclictest2986133-21kworker/u16:2+events_unbound21:59:424
266007423726,8sleep50-21swapper/519:01:305
2660471993634,2cyclictest3250328-21kworker/u16:0+events_unbound00:05:376
2660471993634,2cyclictest3020801-21kworker/u16:2+events_unbound23:08:396
2660471993634,2cyclictest2597818-21kworker/u16:2+events_unbound19:43:256
2660466993634,2cyclictest3020801-21kworker/u16:2+events_unbound22:51:025
2660466993634,2cyclictest2880047-21kworker/u16:4+events_unbound21:07:005
2660459993634,2cyclictest3093231-21kworker/u16:1+events_unbound23:32:594
2660459993634,2cyclictest2874556-21kworker/u16:3+events_unbound21:45:554
2660459993634,2cyclictest2740677-21kworker/u16:4+flush-8:019:48:234
2660459993634,2cyclictest2631729-21kworker/u16:1+events_unbound20:23:314
2660471993533,2cyclictest3271984-21kworker/u16:2+events_unbound00:20:206
2660471993533,2cyclictest3271984-21kworker/u16:2+events_unbound00:20:206
2660471993533,2cyclictest3116893-21kworker/u16:4+events_unbound23:27:426
2660471993533,2cyclictest3093231-21kworker/u16:1+events_unbound22:59:146
2660471993533,2cyclictest3093231-21kworker/u16:1+events_unbound22:59:146
2660471993533,2cyclictest3057352-21kworker/u16:5+events_unbound22:36:206
2660471993533,2cyclictest2880047-21kworker/u16:4+events_unbound21:50:196
2660471993533,2cyclictest2880047-21kworker/u16:4+events_unbound21:05:206
2660471993533,2cyclictest2631729-21kworker/u16:1+events_unbound20:17:196
2660471993533,2cyclictest2631729-21kworker/u16:1+events_unbound20:17:196
2660471993532,2cyclictest2986133-21kworker/u16:2+events_unbound21:58:126
2660471993432,2cyclictest3033225-21kworker/u16:3+events_unbound22:29:266
2660471993432,2cyclictest3020801-21kworker/u16:2+events_unbound23:14:296
2660466993432,2cyclictest3116893-21kworker/u16:4+events_unbound23:18:155
2660466993432,2cyclictest3020801-21kworker/u16:2+flush-8:022:23:315
2660459993432,2cyclictest2631729-21kworker/u16:1+events_unbound20:33:154
2660471993331,2cyclictest3093231-21kworker/u16:1+flush-8:023:38:246
2660471993331,2cyclictest3093231-21kworker/u16:1+events_unbound23:20:196
2660471993331,2cyclictest2915278-21kworker/u16:1+events_unbound22:06:036
2660471993331,2cyclictest2880047-21kworker/u16:4+events_unbound21:24:256
2660466993331,2cyclictest3093231-21kworker/u16:1+flush-8:023:39:035
2660466993331,2cyclictest3057304-21kworker/u16:4+flush-8:022:43:195
2660466993331,2cyclictest2880047-21kworker/u16:4+events_unbound21:47:525
2660459993331,2cyclictest2974863-21kworker/u16:0+events_unbound21:38:084
2660459993331,2cyclictest2915278-21kworker/u16:1+flush-8:021:54:314
2660459993331,2cyclictest2880047-21kworker/u16:4+events_unbound22:05:354
2660459993331,2cyclictest2826736-21kworker/u16:2+events_unbound20:58:304
2660471993230,2cyclictest3271984-21kworker/u16:2+events_unbound00:09:336
2660471993230,2cyclictest2631729-21kworker/u16:1+events_unbound20:31:006
2660471993229,2cyclictest2807792-21kworker/u16:0+flush-8:020:53:116
2660471993229,2cyclictest2631729-21kworker/u16:1+flush-8:019:38:116
2660471993229,2cyclictest2597818-21kworker/u16:2+events_unbound19:03:026
2660466993230,2cyclictest3271984-21kworker/u16:2+flush-8:000:07:555
2660466993230,2cyclictest3250328-21kworker/u16:0+events_unbound00:18:235
2660466993230,2cyclictest3250328-21kworker/u16:0+events_unbound00:18:235
2660466993230,2cyclictest3093231-21kworker/u16:1+events_unbound23:58:335
2660466993230,2cyclictest3057304-21kworker/u16:4+events_unbound22:40:115
2660466993229,2cyclictest3225644-21kworker/u16:2+events_unbound23:53:015
2660459993230,2cyclictest2915278-21kworker/u16:1+events_unbound21:37:524
2660459993230,2cyclictest2807792-21kworker/u16:0+events_unbound20:38:244
266047699310,29cyclictest2826670-21latency_hist20:28:017
2660471993129,2cyclictest2874556-21kworker/u16:3+events_unbound21:10:506
2660471993128,2cyclictest2915278-21kworker/u16:1+events_unbound21:53:056
2660471993128,2cyclictest2631729-21kworker/u16:1+events_unbound20:33:136
2660466993129,2cyclictest2974863-21kworker/u16:0+events_unbound21:37:115
2660466993129,2cyclictest2874556-21kworker/u16:3+events_unbound21:13:155
2660471993028,2cyclictest3057304-21kworker/u16:4+events_unbound22:44:096
2660471993028,2cyclictest3020801-21kworker/u16:2+events_unbound22:52:416
2660471993028,2cyclictest2631729-21kworker/u16:1+events_unbound20:12:596
2660471993028,2cyclictest2597818-21kworker/u16:2+events_unbound19:28:346
2660471993028,2cyclictest2597818-21kworker/u16:2+events_unbound19:28:346
2660466993028,2cyclictest3057352-21kworker/u16:5+events_unbound22:54:135
31732282290,1chrt3173229-21kthreadcore23:18:227
2660476992923,5cyclictest650-21systemd-journal21:28:017
2660471992927,2cyclictest2761390-21kworker/u16:5+events_unbound20:21:596
2660471992926,2cyclictest2874556-21kworker/u16:3+events_unbound21:13:056
2660466992927,2cyclictest3225644-21kworker/u16:2+events_unbound23:45:105
2660466992927,2cyclictest3020801-21kworker/u16:2+events_unbound23:08:005
2660466992927,2cyclictest2880047-21kworker/u16:4+events_unbound21:25:125
2660459992927,2cyclictest2740677-21kworker/u16:4+events_unbound20:13:274
2660459992927,2cyclictest2740677-21kworker/u16:4+events_unbound20:13:274
2660476992823,4cyclictest2905574-21latency_hist21:08:017
2660471992826,2cyclictest2631729-21kworker/u16:1+events_unbound19:18:306
2660466992826,2cyclictest3093231-21kworker/u16:1+events_unbound23:16:045
2660466992826,2cyclictest3020801-21kworker/u16:2+events_unbound23:26:475
2660466992826,2cyclictest3000165-21kworker/u16:0+events_unbound22:16:075
2660466992826,2cyclictest2874556-21kworker/u16:3+events_unbound21:29:165
2660466992826,2cyclictest2761390-21kworker/u16:5+flush-8:020:18:305
2660466992825,2cyclictest3033225-21kworker/u16:3+events_unbound22:28:105
2660466992825,2cyclictest2874556-21kworker/u16:3+events_unbound21:50:035
2660459992826,2cyclictest2807792-21kworker/u16:0+events_unbound20:28:264
2660459992825,2cyclictest2807792-21kworker/u16:0+events_unbound20:43:114
2660471992725,2cyclictest3189695-21kworker/u16:0+events_unbound23:30:266
2660466992725,2cyclictest3189695-21kworker/u16:0+flush-8:023:28:165
2660466992725,2cyclictest3020801-21kworker/u16:2+flush-8:022:33:275
2660466992725,2cyclictest2880047-21kworker/u16:4+events_unbound22:05:125
2660466992724,2cyclictest3000165-21kworker/u16:0+events_unbound22:08:475
2660459992725,2cyclictest2597818-21kworker/u16:2+events_unbound19:33:134
27210682260,1chrt2721070-21sed19:28:317
27210682260,1chrt2721070-21sed19:28:317
266047699260,25cyclictest650-21systemd-journal20:12:557
2660466992624,2cyclictest3189695-21kworker/u16:0+events_unbound23:33:345
2660459992624,2cyclictest2740677-21kworker/u16:4+events_unbound20:08:324
2660459992624,2cyclictest1937236-21kworker/u16:0+events_unbound19:44:144
265994122616,7sleep60-21swapper/618:59:386
2660471992523,2cyclictest2807792-21kworker/u16:0+events_unbound20:46:236
2660471992523,2cyclictest2597818-21kworker/u16:2+events_unbound19:33:336
2660466992523,2cyclictest2986133-21kworker/u16:2+events_unbound21:59:595
2660459992523,2cyclictest2631729-21kworker/u16:1+flush-8:019:13:264
266047699240,23cyclictest3129436-21latency_hist23:03:007
266047699240,23cyclictest3129436-21latency_hist23:03:007
2660466992422,2cyclictest3116893-21kworker/u16:4+events_unbound23:12:595
2660459992422,2cyclictest2631729-21kworker/u16:1+flush-8:020:18:234
2660471992321,2cyclictest2631729-21kworker/u16:1+flush-8:020:43:016
2660471992321,2cyclictest2631729-21kworker/u16:1+events_unbound20:51:206
2660466992321,2cyclictest2631729-21kworker/u16:1+flush-8:020:28:205
2660459992321,2cyclictest2740677-21kworker/u16:4+flush-8:019:53:194
2660476992216,5cyclictest2845764-21latency_hist20:38:017
2660466992220,2cyclictest3310626-21kworker/u16:3+events_unbound00:32:435
2660466992220,2cyclictest2807792-21kworker/u16:0+events_unbound20:48:165
2660466992220,2cyclictest2740677-21kworker/u16:4+events_unbound20:08:245
2660466992220,2cyclictest2740677-21kworker/u16:4+events_unbound19:48:145
2660466992219,2cyclictest2915278-21kworker/u16:1+events_unbound21:38:435
2660466992219,2cyclictest2597818-21kworker/u16:2+flush-8:019:23:175
2660466992119,2cyclictest2874556-21kworker/u16:3+events_unbound21:10:155
2660466992119,2cyclictest2631729-21kworker/u16:1+events_unbound19:18:265
2660459992119,2cyclictest2631729-21kworker/u16:1+events_unbound19:18:324
266047699200,18cyclictest2740637-21latency_hist19:43:017
26772472190,0sleep50-21swapper/519:08:265
2660476991915,3cyclictest1267-21snmpd23:43:457
2660466991917,2cyclictest2807792-21kworker/u16:0+events_unbound20:38:285
2660459991917,2cyclictest2631729-21kworker/u16:1+flush-8:019:08:394
2660476991811,6cyclictest0-21swapper/722:28:137
2660466991816,2cyclictest2631729-21kworker/u16:1+events_unbound19:13:255
2660466991715,2cyclictest2761390-21kworker/u16:5+flush-8:019:58:015
2660466991714,2cyclictest2631729-21kworker/u16:1+flush-8:020:03:165
2660459991715,2cyclictest2807792-21kworker/u16:0+events_unbound20:53:174
2660459991714,3cyclictest2807792-21kworker/u16:0+flush-8:020:48:214
2660476991613,2cyclictest0-21swapper/722:43:017
2660476991612,3cyclictest1267-21snmpd23:29:457
2660466991614,2cyclictest2631729-21kworker/u16:1+events_unbound20:23:115
266047699158,6cyclictest0-21swapper/722:48:227
266047699157,7cyclictest0-21swapper/700:18:007
266047699157,7cyclictest0-21swapper/700:18:007
266047699154,10cyclictest3246887-21ntpq23:48:327
2660476991512,2cyclictest0-21swapper/722:18:007
2660476991512,2cyclictest0-21swapper/722:18:007
2660476991511,3cyclictest1267-21snmpd21:42:187
2660466991513,2cyclictest2597818-21kworker/u16:2+events_unbound19:04:145
266047699149,4cyclictest2805609-21grep20:13:237
266047699149,4cyclictest2805609-21grep20:13:237
266047699149,4cyclictest2694060-21cat19:18:157
266047699147,7cyclictest6450-21gmain23:12:147
266047699147,6cyclictest0-21swapper/723:42:167
266047699147,6cyclictest0-21swapper/723:03:177
266047699147,6cyclictest0-21swapper/722:40:387
266047699147,6cyclictest0-21swapper/721:58:107
266047699147,6cyclictest0-21swapper/700:28:267
266047699146,7cyclictest0-21swapper/722:33:497
266047699146,7cyclictest0-21swapper/722:12:407
266047699146,7cyclictest0-21swapper/700:26:137
266047699145,8cyclictest0-21swapper/721:37:207
2660476991411,2cyclictest0-21swapper/723:58:317
266047699140,12cyclictest2860999-21kthreadcore20:43:207
266047699140,12cyclictest2808770-21cat20:18:167
266047699140,12cyclictest2779910-21tune2fs20:03:147
2660466991412,2cyclictest2631729-21kworker/u16:1+events_unbound19:28:245
2660466991412,2cyclictest2631729-21kworker/u16:1+events_unbound19:28:245
266047699139,3cyclictest1267-21snmpd23:53:307
266047699138,4cyclictest1267-21snmpd21:13:357
266047699137,5cyclictest3114200-21ntpq22:53:287
266047699136,6cyclictest0-21swapper/723:33:157
266047699136,6cyclictest0-21swapper/723:24:527
266047699136,6cyclictest0-21swapper/722:23:037
266047699136,6cyclictest0-21swapper/721:53:327
266047699136,6cyclictest0-21swapper/721:48:037
266047699136,6cyclictest0-21swapper/721:44:577
266047699136,6cyclictest0-21swapper/721:27:017
266047699136,6cyclictest0-21swapper/721:21:547
266047699136,6cyclictest0-21swapper/721:08:257
266047699136,6cyclictest0-21swapper/700:08:037
266047699135,7cyclictest0-21swapper/722:07:127
266047699134,8cyclictest3157216-21kthreadcore23:13:197
266047699134,8cyclictest3009926-21hddtemp_smartct22:13:197
2660476991310,2cyclictest2865899-21perl20:48:157
2660476991310,2cyclictest0-21swapper/700:03:287
266047699130,12cyclictest2773927-21kthreadcore19:58:247
266047699129,2cyclictest2684856-21irqstats19:13:157
266047699129,2cyclictest0-21swapper/719:43:137
266047699129,2cyclictest0-21swapper/719:08:137
266047699128,3cyclictest2874780-21/usr/sbin/munin20:53:147
266047699128,3cyclictest1267-21snmpd19:26:097
266047699127,4cyclictest2885904-21kthreadcore20:58:177
266047699120,11cyclictest1267-21snmpd19:36:127
2660466991210,2cyclictest2826736-21kworker/u16:2+events_unbound21:01:005
266047699118,2cyclictest0-21swapper/720:38:187
266047699117,3cyclictest2750607-21/usr/sbin/munin19:48:117
2660476991111,0cyclictest0-21swapper/719:03:187
266047699110,9cyclictest2827063-21/usr/sbin/munin20:28:137
266047699110,3cyclictest2764889-21kthreadcore19:53:207
266046699118,2cyclictest2740677-21kworker/u16:4+events_unbound20:13:035
266046699118,2cyclictest2740677-21kworker/u16:4+events_unbound20:13:035
2660466991110,1cyclictest0-21swapper/519:47:005
266045999119,2cyclictest2597818-21kworker/u16:2+events_unbound19:05:364
266046699107,2cyclictest2807792-21kworker/u16:0+flush-8:020:43:125
26604669998,1cyclictest0-21swapper/520:36:305
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