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2026-09-20 - 01:17
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Sun Sep 20, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173837725746,8sleep40-21swapper/419:07:524
173828625319,29sleep70-21swapper/719:06:357
1738791994641,4cyclictest2255195-21latency_hist23:04:227
173830424535,7sleep50-21swapper/519:06:495
173879199430,41cyclictest2170219-21latency_hist22:29:227
1738791994036,3cyclictest645-21systemd-journal20:24:227
1738786994038,2cyclictest2388769-21kworker/u16:4+events_unbound00:05:486
1738791993938,0cyclictest0-21swapper/719:34:177
1738776993937,2cyclictest2035638-21kworker/u16:0+events_unbound21:44:224
1738776993937,2cyclictest2000359-21kworker/u16:1+flush-8:021:54:524
1738776993936,2cyclictest1801089-21kworker/u16:2+events_unbound21:29:254
1738791993837,0cyclictest0-21swapper/722:04:247
1738784993836,2cyclictest1801089-21kworker/u16:2+events_unbound21:31:405
1738791993735,1cyclictest1975969-21diskmemload23:24:457
1738786993735,2cyclictest2337955-21kworker/u16:1+events_unbound23:41:536
1738784993735,2cyclictest2000359-21kworker/u16:1+events_unbound22:47:495
1738784993735,2cyclictest1955596-21kworker/u16:4+events_unbound21:11:565
1738784993735,2cyclictest1955596-21kworker/u16:4+events_unbound21:11:565
1738776993735,2cyclictest2035638-21kworker/u16:0+events_unbound21:48:014
1738776993735,2cyclictest2000359-21kworker/u16:1+events_unbound22:14:574
1738776993735,2cyclictest2000359-21kworker/u16:1+events_unbound21:34:404
1738791993633,2cyclictest2373598-21ps23:49:517
1738791993631,4cyclictest2158106-21latency_hist22:24:227
1738786993634,2cyclictest2170261-21kworker/u16:2+events_unbound23:13:086
1738786993634,2cyclictest2170261-21kworker/u16:2+events_unbound23:13:086
1738784993635,1cyclictest2000359-21kworker/u16:1+events_unbound22:05:525
1738784993634,2cyclictest2364403-21kworker/u16:2+events_unbound23:55:405
1738784993634,2cyclictest2364403-21kworker/u16:2+events_unbound00:05:525
1738784993634,2cyclictest2364403-21kworker/u16:2+events_unbound00:00:595
1738784993634,2cyclictest2218843-21kworker/u16:3+events_unbound22:58:525
1738784993634,2cyclictest2218843-21kworker/u16:3+events_unbound00:18:445
1738784993634,2cyclictest2170261-21kworker/u16:2+events_unbound23:23:085
1738784993634,2cyclictest2000359-21kworker/u16:1+events_unbound23:00:225
1738784993634,2cyclictest2000359-21kworker/u16:1+events_unbound21:21:015
1738784993634,2cyclictest1955596-21kworker/u16:4+events_unbound22:42:525
1738791993532,2cyclictest2302193-21sh23:21:247
1738786993533,2cyclictest2170261-21kworker/u16:2+events_unbound23:16:046
1738786993533,2cyclictest2097407-21kworker/u16:2+events_unbound22:13:166
1738786993533,2cyclictest2000359-21kworker/u16:1+events_unbound22:07:536
1738786993533,2cyclictest1955596-21kworker/u16:4+events_unbound21:17:486
1738784993533,2cyclictest2461980-21kworker/u16:2+events_unbound00:35:525
1738784993533,2cyclictest2461980-21kworker/u16:2+events_unbound00:35:525
1738784993533,2cyclictest2388769-21kworker/u16:4+events_unbound00:28:125
1738784993533,2cyclictest2170261-21kworker/u16:2+events_unbound22:33:255
1738784993533,2cyclictest2170261-21kworker/u16:2+events_unbound22:33:255
1738784993533,2cyclictest2035638-21kworker/u16:0+events_unbound21:49:005
1738784993533,2cyclictest1955596-21kworker/u16:4+events_unbound21:43:495
1738776993533,2cyclictest1955596-21kworker/u16:4+flush-8:022:24:564
1738776993533,2cyclictest1955596-21kworker/u16:4+events_unbound21:24:444
173844623525,7sleep60-21swapper/619:08:506
1738786993432,2cyclictest2337955-21kworker/u16:1+events_unbound23:46:056
1738786993432,2cyclictest2170261-21kworker/u16:2+events_unbound22:58:366
1738786993432,2cyclictest2000359-21kworker/u16:1+events_unbound22:50:436
1738784993432,2cyclictest2461980-21kworker/u16:2+events_unbound00:32:195
1738784993432,2cyclictest2364403-21kworker/u16:2+events_unbound00:12:285
1738784993432,2cyclictest2316137-21kworker/u16:0+events_unbound23:43:435
1738784993432,2cyclictest2218843-21kworker/u16:3+events_unbound23:54:165
1738784993432,2cyclictest2218843-21kworker/u16:3+events_unbound23:47:335
1738784993432,2cyclictest2218843-21kworker/u16:3+events_unbound23:17:005
1738784993432,2cyclictest2035638-21kworker/u16:0+events_unbound21:51:565
1738784993432,2cyclictest2035638-21kworker/u16:0+events_unbound21:51:565
1738784993432,2cyclictest2000359-21kworker/u16:1+events_unbound22:03:245
1738784993432,2cyclictest2000359-21kworker/u16:1+events_unbound21:26:375
1738784993432,2cyclictest1955596-21kworker/u16:4+events_unbound22:23:005
1738784993432,2cyclictest1879151-21kworker/u16:0+flush-8:020:29:225
1738776993432,2cyclictest1801089-21kworker/u16:2+events_unbound21:23:334
1738776993431,2cyclictest1955596-21kworker/u16:4+events_unbound21:14:244
1738786993331,2cyclictest2000359-21kworker/u16:1+events_unbound22:43:436
1738786993331,2cyclictest2000359-21kworker/u16:1+events_unbound21:35:486
1738786993331,2cyclictest1955596-21kworker/u16:4+events_unbound21:27:446
1738784993332,1cyclictest1955596-21kworker/u16:4+events_unbound22:11:405
1738784993331,2cyclictest2255584-21kworker/u16:4+events_unbound23:33:215
1738784993331,2cyclictest2170261-21kworker/u16:2+events_unbound23:05:445
1738784993331,2cyclictest2000359-21kworker/u16:1+events_unbound22:35:525
1738784993331,2cyclictest1955596-21kworker/u16:4+events_unbound22:16:125
1738784993331,2cyclictest1955596-21kworker/u16:4+events_unbound21:56:255
1738784993331,2cyclictest1955596-21kworker/u16:4+events_unbound21:36:205
1738784993330,2cyclictest2437291-21kworker/u16:0+flush-8:000:19:275
1738776993331,2cyclictest2337955-21kworker/u16:1+events_unbound23:44:004
1738776993331,2cyclictest2000359-21kworker/u16:1+events_unbound22:37:324
1738776993330,2cyclictest2170261-21kworker/u16:2+events_unbound23:14:244
1738791993231,0cyclictest0-21swapper/700:05:327
1738791993230,1cyclictest2241739-21ssh22:56:477
1738786993230,2cyclictest2316137-21kworker/u16:0+events_unbound23:50:126
1738786993229,2cyclictest2218843-21kworker/u16:3+events_unbound00:34:086
1738784993230,2cyclictest2337955-21kworker/u16:1+events_unbound23:37:085
1738784993230,2cyclictest2170261-21kworker/u16:2+events_unbound23:25:445
1738784993230,2cyclictest2170261-21kworker/u16:2+events_unbound23:12:445
1738784993230,2cyclictest2170261-21kworker/u16:2+events_unbound23:12:445
1738784993230,2cyclictest2000359-21kworker/u16:1+events_unbound22:51:165
1738776993230,2cyclictest1801089-21kworker/u16:2+events_unbound21:10:324
1738776993230,2cyclictest1801089-21kworker/u16:2+events_unbound21:10:324
1738791993130,0cyclictest0-21swapper/721:04:367
1738791993130,0cyclictest0-21swapper/700:31:327
1738791993129,1cyclictest0-21swapper/722:37:007
1738786993129,2cyclictest2388769-21kworker/u16:4+events_unbound00:01:086
1738786993129,2cyclictest1955596-21kworker/u16:4+events_unbound21:52:396
1738786993129,2cyclictest1955596-21kworker/u16:4+events_unbound21:52:396
1738786993129,2cyclictest1719521-21kworker/u16:4+events_unbound19:43:496
1738784993129,2cyclictest2035638-21kworker/u16:0+events_unbound22:26:175
1738784993129,2cyclictest1955596-21kworker/u16:4+events_unbound21:19:005
1738776993129,2cyclictest2461980-21kworker/u16:2+events_unbound00:32:324
1738776993129,2cyclictest2218843-21kworker/u16:3+events_unbound23:32:444
1738776993129,2cyclictest2170261-21kworker/u16:2+events_unbound22:58:324
1738776993129,2cyclictest1955596-21kworker/u16:4+events_unbound21:53:334
1738776993129,2cyclictest1955596-21kworker/u16:4+events_unbound21:53:334
1738776993129,2cyclictest1801089-21kworker/u16:2+events_unbound20:06:324
1738791993029,0cyclictest0-21swapper/722:31:327
1738791993029,0cyclictest0-21swapper/722:31:327
1738786993028,2cyclictest2218843-21kworker/u16:3+events_unbound23:07:556
1738784993028,2cyclictest1888512-21kworker/u16:3+events_unbound21:01:445
1738776993028,2cyclictest1955596-21kworker/u16:4+events_unbound22:00:224
1738776993027,2cyclictest2218843-21kworker/u16:3+flush-8:023:04:284
1738786992927,2cyclictest316884-21kworker/u16:3+events_unbound19:28:046
1738786992927,2cyclictest2000359-21kworker/u16:1+events_unbound22:48:056
1738786992927,2cyclictest1955596-21kworker/u16:4+events_unbound22:16:516
1738786992927,2cyclictest1927585-21kworker/u16:1+events_unbound20:59:166
1738784992927,2cyclictest1801089-21kworker/u16:2+events_unbound19:48:005
1738776992927,2cyclictest2337955-21kworker/u16:1+events_unbound23:45:034
1738776992927,2cyclictest2170261-21kworker/u16:2+flush-8:023:00:324
1738776992927,2cyclictest2170261-21kworker/u16:2+events_unbound22:53:164
1738776992927,2cyclictest2097407-21kworker/u16:2+events_unbound22:11:484
1738776992926,2cyclictest2437291-21kworker/u16:0+events_unbound00:24:244
1738791992827,0cyclictest0-21swapper/723:30:047
1738791992826,1cyclictest0-21swapper/719:14:387
1738791992824,2cyclictest2437283-21munin-run00:19:227
1738786992826,2cyclictest2218843-21kworker/u16:3+events_unbound23:56:256
1738786992826,2cyclictest2170261-21kworker/u16:2+events_unbound23:22:216
1738786992826,2cyclictest1801089-21kworker/u16:2+events_unbound19:58:486
1738786992826,2cyclictest1719521-21kworker/u16:4+events_unbound19:17:486
1738784992826,2cyclictest1801089-21kworker/u16:2+events_unbound20:14:195
1738776992826,2cyclictest316884-21kworker/u16:3+flush-8:019:34:514
1738776992826,2cyclictest2255584-21kworker/u16:4+events_unbound23:38:444
1738776992826,2cyclictest2218843-21kworker/u16:3+events_unbound00:04:124
21317292270,1chrt2131727-21ssh22:10:317
1738791992726,0cyclictest0-21swapper/723:08:327
1738791992726,0cyclictest0-21swapper/721:54:327
1738791992725,1cyclictest2048787-21sh21:39:227
1738791992725,1cyclictest0-21swapper/723:18:447
1738791992725,1cyclictest0-21swapper/723:10:207
1738791992725,1cyclictest0-21swapper/723:10:207
1738791992725,1cyclictest0-21swapper/700:35:287
1738791992725,1cyclictest0-21swapper/700:35:287
1738791992725,1cyclictest0-21swapper/700:20:237
1738791992724,2cyclictest1124-21lldpd22:01:247
1738786992725,2cyclictest2000359-21kworker/u16:1+flush-8:021:29:576
1738786992725,2cyclictest1888512-21kworker/u16:3+events_unbound20:36:496
1738786992725,2cyclictest1719521-21kworker/u16:4+events_unbound20:01:316
1738786992725,2cyclictest1719521-21kworker/u16:4+events_unbound19:13:486
1738784992725,2cyclictest1719521-21kworker/u16:4+events_unbound19:24:485
1738776992725,2cyclictest2170261-21kworker/u16:2+events_unbound23:23:004
1738791992625,0cyclictest0-21swapper/700:28:327
1738791992624,1cyclictest1975969-21diskmemload22:52:487
1738791992624,1cyclictest1975969-21diskmemload21:13:537
1738791992624,1cyclictest1975969-21diskmemload21:13:537
1738791992624,1cyclictest0-21swapper/721:41:407
1738786992624,2cyclictest2218843-21kworker/u16:3+events_unbound23:35:136
1738786992624,2cyclictest2218843-21kworker/u16:3+events_unbound23:26:026
1738786992624,2cyclictest2170261-21kworker/u16:2+events_unbound22:31:056
1738786992624,2cyclictest2170261-21kworker/u16:2+events_unbound22:31:056
1738786992624,2cyclictest2000359-21kworker/u16:1+events_unbound21:41:136
1738786992624,2cyclictest1888512-21kworker/u16:3+events_unbound20:42:336
1738786992624,2cyclictest1801089-21kworker/u16:2+events_unbound20:11:316
1738786992624,2cyclictest1801089-21kworker/u16:2+events_unbound20:07:486
1738786992624,2cyclictest1719521-21kworker/u16:4+events_unbound19:23:486
1738786992624,2cyclictest1690550-21kworker/u16:1+events_unbound19:34:526
1738786992624,2cyclictest1690550-21kworker/u16:1+events_unbound19:33:366
1738786992623,2cyclictest2388769-21kworker/u16:4+events_unbound00:24:336
1738784992624,2cyclictest316884-21kworker/u16:3+events_unbound19:21:335
1738784992624,2cyclictest1927585-21kworker/u16:1+events_unbound20:58:015
1738776992624,2cyclictest2388769-21kworker/u16:4+events_unbound00:05:154
1738776992624,2cyclictest2170261-21kworker/u16:2+events_unbound23:26:234
1738776992624,2cyclictest1955596-21kworker/u16:4+flush-8:022:19:554
1738791992524,0cyclictest0-21swapper/722:48:247
1738791992523,1cyclictest2350775-21ssh23:41:367
1738791992522,2cyclictest2424864-21ssh00:13:527
1738786992523,2cyclictest2437291-21kworker/u16:0+events_unbound00:36:506
1738786992523,2cyclictest2437291-21kworker/u16:0+events_unbound00:36:506
1738786992523,2cyclictest2255584-21kworker/u16:4+events_unbound23:33:196
1738786992523,2cyclictest2035638-21kworker/u16:0+events_unbound21:58:256
1738776992523,2cyclictest2437291-21kworker/u16:0+events_unbound00:34:434
1738776992523,2cyclictest2437291-21kworker/u16:0+events_unbound00:34:434
1738776992523,2cyclictest2170261-21kworker/u16:2+events_unbound23:09:444
1738776992523,2cyclictest2170261-21kworker/u16:2+events_unbound23:09:444
1738776992523,2cyclictest2000359-21kworker/u16:1+events_unbound22:43:474
1738776992523,2cyclictest2000359-21kworker/u16:1+events_unbound22:06:254
1738791992423,0cyclictest0-21swapper/722:40:007
1738786992422,2cyclictest2254461-21kworker/u16:0+events_unbound23:03:026
1738786992422,2cyclictest2218843-21kworker/u16:3+events_unbound00:18:426
1738786992422,2cyclictest2000359-21kworker/u16:1+events_unbound22:02:156
1738786992422,2cyclictest1879151-21kworker/u16:0+events_unbound20:29:206
1738786992422,2cyclictest1859513-21kworker/u16:1+events_unbound20:18:256
1738786992421,2cyclictest2437291-21kworker/u16:0+events_unbound00:24:106
1738786992421,2cyclictest1975675-21kworker/u16:0+events_unbound21:11:306
1738786992421,2cyclictest1975675-21kworker/u16:0+events_unbound21:11:306
1738784992422,2cyclictest1888512-21kworker/u16:3+events_unbound20:44:175
1738784992422,2cyclictest1879151-21kworker/u16:0+events_unbound20:54:175
1738784992422,2cyclictest1801089-21kworker/u16:2+events_unbound19:58:335
1738776992422,2cyclictest2000359-21kworker/u16:1+events_unbound22:30:374
1738776992422,2cyclictest2000359-21kworker/u16:1+events_unbound22:30:374
1738791992322,0cyclictest0-21swapper/723:45:487
1738791992322,0cyclictest0-21swapper/723:37:047
1738791992322,0cyclictest0-21swapper/721:19:537
1738784992321,2cyclictest316884-21kworker/u16:3+events_unbound19:15:335
1738784992321,2cyclictest1859513-21kworker/u16:1+events_unbound20:19:475
1738784992321,2cyclictest1801089-21kworker/u16:2+events_unbound20:06:495
1738776992321,2cyclictest2364403-21kworker/u16:2+events_unbound23:52:114
1738776992321,2cyclictest1955596-21kworker/u16:4+events_unbound22:49:174
1738791992221,0cyclictest0-21swapper/722:16:477
1738791992221,0cyclictest0-21swapper/721:54:207
1738791992221,0cyclictest0-21swapper/721:54:207
1738791992220,1cyclictest0-21swapper/723:54:437
1738786992220,2cyclictest2000359-21kworker/u16:1+events_unbound22:21:056
1738786992220,2cyclictest1801089-21kworker/u16:2+events_unbound19:53:536
1738786992220,2cyclictest1719521-21kworker/u16:4+events_unbound19:46:366
1738786992219,2cyclictest1801089-21kworker/u16:2+events_unbound21:19:316
1738776992220,2cyclictest2437291-21kworker/u16:0+events_unbound00:20:434
1738776992220,2cyclictest2364403-21kworker/u16:2+events_unbound00:12:444
1738776992220,2cyclictest1888512-21kworker/u16:3+flush-8:021:00:234
1738791992119,1cyclictest1975969-21diskmemload21:29:127
1738791992119,1cyclictest0-21swapper/721:33:127
173879199210,19cyclictest1998387-21ssh21:15:527
1738786992119,2cyclictest2035638-21kworker/u16:0+events_unbound21:47:516
1738786992119,2cyclictest2000359-21kworker/u16:1+flush-8:022:35:216
1738786992119,2cyclictest1955596-21kworker/u16:4+events_unbound22:25:546
1738786992119,2cyclictest1955596-21kworker/u16:4+events_unbound21:03:536
1738786992119,2cyclictest1888512-21kworker/u16:3+events_unbound21:05:136
1738786992119,2cyclictest1879151-21kworker/u16:0+events_unbound20:52:216
1738786992119,2cyclictest1859513-21kworker/u16:1+events_unbound20:21:016
1738784992119,2cyclictest1719521-21kworker/u16:4+events_unbound19:40:245
1738776992119,2cyclictest2316137-21kworker/u16:0+events_unbound23:56:524
1738791992019,0cyclictest0-21swapper/720:34:427
1738791992018,1cyclictest1907982-21perf20:34:227
1738791992018,1cyclictest1907982-21perf20:34:227
1738786992018,2cyclictest1879151-21kworker/u16:0+events_unbound20:30:246
1738786992018,2cyclictest1879151-21kworker/u16:0+events_unbound20:30:246
1738786992018,2cyclictest1801089-21kworker/u16:2+events_unbound20:45:526
1738784992018,2cyclictest1888512-21kworker/u16:3+events_unbound20:46:495
1738784992018,2cyclictest1719521-21kworker/u16:4+flush-8:020:03:485
1738784992018,2cyclictest1719521-21kworker/u16:4+events_unbound19:10:485
1738776992017,3cyclictest2218843-21kworker/u16:3+flush-8:000:14:464
1738791991917,1cyclictest0-21swapper/719:09:437
1738776991917,2cyclictest1801089-21kworker/u16:2+events_unbound20:24:464
1738776991917,2cyclictest1719521-21kworker/u16:4+flush-8:020:09:444
1738791991817,0cyclictest0-21swapper/721:45:487
1738791991816,1cyclictest0-21swapper/700:02:447
1738784991816,2cyclictest1879151-21kworker/u16:0+events_unbound20:35:335
1738784991816,2cyclictest1690550-21kworker/u16:1+events_unbound19:36:365
1738776991816,2cyclictest936730-21kworker/u16:2+flush-8:019:09:384
1738776991816,2cyclictest1879151-21kworker/u16:0+flush-8:020:24:174
1738784991715,2cyclictest1955596-21kworker/u16:4+events_unbound21:05:485
1738784991715,2cyclictest1859513-21kworker/u16:1+events_unbound20:18:335
1738776991715,2cyclictest1805546-21kworker/u16:5+flush-8:019:49:464
1738776991714,2cyclictest316884-21kworker/u16:3+events_unbound19:29:264
173879199168,6cyclictest5997-21gmain19:54:437
1738791991614,1cyclictest0-21swapper/720:09:357
173879199160,14cyclictest0-21swapper/719:39:487
1738786991614,2cyclictest2218843-21kworker/u16:3+events_unbound00:11:306
1738784991614,2cyclictest1879151-21kworker/u16:0+events_unbound20:31:485
1738784991614,2cyclictest1879151-21kworker/u16:0+events_unbound20:31:485
1738784991614,2cyclictest1801089-21kworker/u16:2+events_unbound19:54:215
173877699160,15cyclictest1772255-21cpuspeed_turbos19:24:364
1738791991513,1cyclictest0-21swapper/720:24:437
173879199150,14cyclictest1274-21snmpd20:56:167
1738784991513,2cyclictest316884-21kworker/u16:3+events_unbound19:34:215
1738776991513,2cyclictest1888512-21kworker/u16:3+events_unbound21:04:444
1738776991513,2cyclictest1879151-21kworker/u16:0+flush-8:020:34:474
173877699150,1cyclictest0-21swapper/419:59:464
173879199147,6cyclictest6398-21gmain20:04:477
173879199146,7cyclictest6050-21gmain19:19:477
1738791991411,2cyclictest0-21swapper/720:49:237
173879199139,3cyclictest1274-21snmpd19:47:537
173879199137,5cyclictest6241-21gvfs-afc-volume20:39:497
1738791991313,0cyclictest0-21swapper/719:59:437
173879199129,2cyclictest1274-21snmpd19:25:237
173879199128,3cyclictest1274-21snmpd19:53:327
173879199120,1cyclictest1937061-21/usr/sbin/munin20:49:227
173879199120,11cyclictest1274-21snmpd20:16:277
173879199117,3cyclictest6050-21gmain20:59:477
173879199110,3cyclictest1059-21runrttasks19:36:407
173877699118,2cyclictest1801089-21kworker/u16:2+flush-8:019:54:494
173877699118,2cyclictest1049-21lldpd19:18:064
173877699108,2cyclictest1719521-21kworker/u16:4+events_unbound19:20:094
173877699106,3cyclictest1811841-21cat19:44:404
17387769998,1cyclictest0-21swapper/420:59:224
17387769997,2cyclictest1805546-21kworker/u16:5+flush-8:019:39:484
17387769997,2cyclictest1801089-21kworker/u16:2+events_unbound20:39:514
17387769997,2cyclictest1801089-21kworker/u16:2+events_unbound20:14:364
17387769983,4cyclictest1900279-21cut20:29:404
17387769983,4cyclictest1900279-21cut20:29:404
17387769973,3cyclictest1938721-21cut20:49:384
17387769973,3cyclictest1928063-21expr20:44:354
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