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2026-05-21 - 17:58
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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 Thu May 21, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20443702990,1sleep72044371-21rm11:23:037
1474360995552,2cyclictest1890523-21kworker/u16:1+events_unbound10:42:474
1474360995149,2cyclictest1890523-21kworker/u16:1+events_unbound10:23:004
1474366995048,2cyclictest2071586-21kworker/u16:2+events_unbound12:23:006
1474370994943,4cyclictest2092716-21ntpq11:43:047
1474366994845,2cyclictest1936165-21kworker/u16:2+events_unbound10:52:526
1474366994744,2cyclictest2057278-21kworker/u16:0+flush-8:011:38:036
1474366994744,2cyclictest2057278-21kworker/u16:0+flush-8:011:38:036
1474360994745,2cyclictest2081408-21kworker/u16:3+events_unbound11:43:084
147392124736,8sleep40-21swapper/407:05:374
147390424737,7sleep50-21swapper/507:05:225
1474366994543,2cyclictest2071586-21kworker/u16:2+events_unbound12:32:526
1474366994442,2cyclictest1936165-21kworker/u16:2+events_unbound10:44:166
1474366994442,2cyclictest1829460-21kworker/u16:0+events_unbound10:38:036
1474366994340,2cyclictest2057278-21kworker/u16:0+events_unbound11:33:086
1474360994341,2cyclictest2071586-21kworker/u16:2+flush-8:012:28:034
1474360994240,2cyclictest2071586-21kworker/u16:2+events_unbound12:08:034
1474360994240,2cyclictest1535418-21kworker/u16:1+flush-8:009:16:034
14738592425,31sleep70-21swapper/707:04:447
1474366994139,2cyclictest1839611-21kworker/u16:5+events_unbound10:18:036
1474366994139,2cyclictest1839611-21kworker/u16:5+events_unbound10:18:036
147437099400,38cyclictest2069109-21awk11:33:087
1474366994038,2cyclictest2095802-21kworker/u16:0+flush-8:011:47:546
1474366994038,2cyclictest2071586-21kworker/u16:2+events_unbound11:52:486
1474366994038,2cyclictest1890523-21kworker/u16:1+events_unbound12:02:526
1474370993936,2cyclictest1971868-21processes10:53:047
1474366993936,2cyclictest2008784-21kworker/u16:4+flush-8:011:17:516
1474370993835,2cyclictest124-21kswapd011:02:477
1474360993836,2cyclictest2095802-21kworker/u16:0+events_unbound11:48:034
1474370993732,4cyclictest1962676-21latency_hist10:52:347
1474366993734,2cyclictest1890523-21kworker/u16:1+flush-8:010:57:366
1474366993734,2cyclictest1890523-21kworker/u16:1+flush-8:010:57:366
1474364993735,2cyclictest2095802-21kworker/u16:0+events_unbound11:58:035
1474360993735,2cyclictest1986914-21kworker/u16:0+flush-8:011:12:474
1474360993735,2cyclictest1793204-21kworker/u16:3+events_unbound09:57:344
1474364993634,2cyclictest1890523-21kworker/u16:1+events_unbound11:03:005
1474360993634,2cyclictest1839611-21kworker/u16:5+events_unbound10:31:444
1474366993533,2cyclictest1890523-21kworker/u16:1+events_unbound10:27:166
1474366993533,2cyclictest1793204-21kworker/u16:3+events_unbound09:47:346
1474366993533,2cyclictest1651036-21kworker/u16:3+events_unbound08:52:596
1474366993532,2cyclictest1890523-21kworker/u16:1+events_unbound11:02:566
1474360993534,1cyclictest1839611-21kworker/u16:5+events_unbound10:05:524
1474360993533,2cyclictest1890523-21kworker/u16:1+flush-8:010:33:014
1474360993533,2cyclictest1829460-21kworker/u16:0+flush-8:010:37:484
147437099340,33cyclictest5819-21gnome-shell11:20:437
1474366993432,2cyclictest2095802-21kworker/u16:0+flush-8:012:08:056
1474366993432,2cyclictest1829460-21kworker/u16:0+flush-8:010:32:346
1474366993432,1cyclictest1535418-21kworker/u16:1+events_unbound09:37:366
1474366993432,1cyclictest1535418-21kworker/u16:1+events_unbound09:37:366
1474364993432,2cyclictest2179663-21kworker/u16:3+events_unbound12:33:005
1474360993432,2cyclictest1890523-21kworker/u16:1+flush-8:010:57:154
1474360993432,2cyclictest1779982-21kworker/u16:2+flush-8:009:45:554
1474370993331,1cyclictest2102046-21ssh11:47:557
1474370993329,3cyclictest124-21kswapd010:57:477
1474370993329,3cyclictest124-21kswapd010:57:477
1474370993327,5cyclictest1670166-21latency_hist08:47:357
1474366993331,2cyclictest2071586-21kworker/u16:2+events_unbound12:19:446
1474366993331,2cyclictest2071586-21kworker/u16:2+events_unbound12:19:446
1474366993331,2cyclictest1986914-21kworker/u16:0+events_unbound11:13:066
1474366993331,2cyclictest1793204-21kworker/u16:3+events_unbound09:48:446
1474366993331,2cyclictest1209176-21kworker/u16:1+events_unbound07:08:006
1474360993331,2cyclictest2057278-21kworker/u16:0+events_unbound11:37:494
1474360993331,2cyclictest2057278-21kworker/u16:0+events_unbound11:37:494
1474360993331,2cyclictest1890523-21kworker/u16:1+events_unbound11:36:434
1474360993331,2cyclictest1602628-21kworker/u16:0+events_unbound09:41:444
1474360993331,2cyclictest1602628-21kworker/u16:0+events_unbound09:41:444
1474370993226,5cyclictest1914268-21latency_hist10:32:347
1474366993230,2cyclictest2057278-21kworker/u16:0+flush-8:011:31:446
1474366993230,2cyclictest1651036-21kworker/u16:3+events_unbound09:11:446
1474360993230,2cyclictest1535418-21kworker/u16:1+events_unbound09:47:364
1474370993127,2cyclictest1535753-21munin-run07:37:347
1474366993129,2cyclictest1890523-21kworker/u16:1+events_unbound11:57:476
1474366993129,2cyclictest1793204-21kworker/u16:3+flush-8:010:17:196
1474366993129,2cyclictest1651036-21kworker/u16:3+events_unbound09:20:446
1474364993129,2cyclictest1535418-21kworker/u16:1+flush-8:009:17:565
1474364993129,2cyclictest1535418-21kworker/u16:1+flush-8:008:22:495
1474360993129,2cyclictest2213711-21kworker/u16:4+events_unbound12:37:304
1474360993129,2cyclictest2035322-21kworker/u16:2+flush-8:011:28:074
1474360993129,2cyclictest1890523-21kworker/u16:1+flush-8:010:47:444
1474360993129,2cyclictest1602628-21kworker/u16:0+flush-8:009:23:364
147384023121,7sleep60-21swapper/607:04:276
1474366993028,2cyclictest1744803-21kworker/u16:2+flush-8:009:23:246
1474360993028,2cyclictest2165101-21kworker/u16:1+flush-8:012:17:494
1474360993028,2cyclictest2165101-21kworker/u16:1+flush-8:012:17:494
1474360993028,2cyclictest2008784-21kworker/u16:4+events_unbound11:11:444
1474360993027,2cyclictest3158215-21fwupd09:58:414
1474360993027,2cyclictest2008784-21kworker/u16:4+events_unbound11:25:444
19997482290,1chrt0-21swapper/511:07:465
1474370992927,1cyclictest2128933-21strings11:57:597
1474366992927,2cyclictest2081408-21kworker/u16:3+events_unbound11:43:436
1474366992927,2cyclictest1961980-21kworker/u16:0+events_unbound10:51:446
1474370992827,0cyclictest0-21swapper/710:41:447
1474366992826,2cyclictest1602628-21kworker/u16:0+flush-8:008:47:346
1474366992826,2cyclictest1535418-21kworker/u16:1+events_unbound09:34:236
1474366992825,2cyclictest2095802-21kworker/u16:0+events_unbound12:13:086
1474364992826,2cyclictest1602628-21kworker/u16:0+flush-8:008:42:505
1474364992826,2cyclictest1535418-21kworker/u16:1+events_unbound07:57:485
1474360992826,2cyclictest1535418-21kworker/u16:1+flush-8:009:19:444
17672392270,1chrt1767240-21ssh09:29:227
1474370992726,0cyclictest0-21swapper/709:57:167
1474366992725,2cyclictest2008784-21kworker/u16:4+events_unbound11:23:006
1474366992725,2cyclictest1936165-21kworker/u16:2+events_unbound11:08:056
1474366992725,2cyclictest1839611-21kworker/u16:5+flush-8:010:36:166
1474366992725,2cyclictest1535418-21kworker/u16:1+flush-8:009:59:556
1474364992725,2cyclictest1793204-21kworker/u16:3+flush-8:009:47:595
1474370992624,1cyclictest1708573-21diskmemload12:33:557
1474364992624,2cyclictest1554928-21kworker/u16:2+events_unbound07:50:195
1474364992624,2cyclictest1535418-21kworker/u16:1+events_unbound08:03:205
1474360992624,2cyclictest2095802-21kworker/u16:0+events_unbound12:12:444
1474360992624,2cyclictest1793204-21kworker/u16:3+events_unbound10:21:194
1474360992624,2cyclictest1793204-21kworker/u16:3+events_unbound10:21:194
1474360992624,2cyclictest1554928-21kworker/u16:2+events_unbound08:27:444
1474370992524,0cyclictest0-21swapper/712:23:437
1474370992524,0cyclictest0-21swapper/710:14:447
1474370992519,5cyclictest635-21systemd-journal07:22:347
1474366992523,2cyclictest2179663-21kworker/u16:3+flush-8:012:28:446
1474366992523,2cyclictest1535418-21kworker/u16:1+flush-8:009:13:076
1474364992523,2cyclictest1839611-21kworker/u16:5+events_unbound10:51:135
1474364992523,2cyclictest1793204-21kworker/u16:3+flush-8:010:02:595
1474360992523,2cyclictest1890523-21kworker/u16:1+events_unbound12:05:444
1474360992523,2cyclictest1602628-21kworker/u16:0+events_unbound09:33:404
1474370992423,0cyclictest0-21swapper/712:16:197
1474370992423,0cyclictest0-21swapper/709:16:447
1474370992422,1cyclictest2132490-21ssh12:02:357
1474370992422,1cyclictest1708573-21diskmemload09:20:287
1474370992421,2cyclictest1892756-21grep10:22:527
1474366992422,2cyclictest1829460-21kworker/u16:0+flush-8:009:57:326
1474366992422,2cyclictest1535418-21kworker/u16:1+events_unbound08:30:446
1474366992419,5cyclictest1839611-21kworker/u16:5+events_unbound10:09:556
1474364992422,2cyclictest2071586-21kworker/u16:2+flush-8:011:53:205
1474364992422,2cyclictest1535418-21kworker/u16:1+events_unbound08:16:165
1474360992422,2cyclictest1936165-21kworker/u16:2+flush-8:011:00:534
1474360992422,2cyclictest1936165-21kworker/u16:2+flush-8:011:00:534
1474360992422,2cyclictest1602628-21kworker/u16:0+flush-8:009:30:444
1474360992422,2cyclictest1602628-21kworker/u16:0+events_unbound09:09:164
1474370992322,0cyclictest0-21swapper/709:59:597
1474370992321,1cyclictest0-21swapper/711:38:317
1474370992321,1cyclictest0-21swapper/711:38:317
1474366992321,2cyclictest1535418-21kworker/u16:1+flush-8:008:02:306
1474366992320,2cyclictest1602628-21kworker/u16:0+events_unbound08:17:446
1474364992321,2cyclictest2008784-21kworker/u16:4+flush-8:011:23:005
1474364992321,2cyclictest1793204-21kworker/u16:3+flush-8:010:18:575
1474364992321,2cyclictest1793204-21kworker/u16:3+flush-8:010:18:575
1474364992321,2cyclictest1535418-21kworker/u16:1+events_unbound08:38:475
1474360992321,2cyclictest2071586-21kworker/u16:2+flush-8:012:25:404
1474360992321,2cyclictest1793204-21kworker/u16:3+flush-8:010:08:004
1474370992221,0cyclictest0-21swapper/710:11:157
1474370992221,0cyclictest0-21swapper/708:24:447
1474370992220,1cyclictest2197088-21kthreadcore12:27:557
147437099220,20cyclictest1263-21dockerd09:27:157
1474366992220,2cyclictest1767631-21kworker/u16:3+events_unbound09:31:236
1474366992220,2cyclictest1554928-21kworker/u16:2+events_unbound07:48:046
1474364992220,2cyclictest1744803-21kworker/u16:2+events_unbound09:26:185
1474364992220,2cyclictest1602628-21kworker/u16:0+events_unbound09:01:405
1474364992220,2cyclictest1535418-21kworker/u16:1+events_unbound09:58:405
1474364992220,2cyclictest1455335-21kworker/u16:0+flush-8:007:52:575
1474364992220,2cyclictest1455335-21kworker/u16:0+events_unbound07:12:125
1474360992220,2cyclictest2095802-21kworker/u16:0+flush-8:011:57:344
1474366992119,2cyclictest1602628-21kworker/u16:0+events_unbound09:06:456
1474366992119,2cyclictest1535418-21kworker/u16:1+flush-8:008:36:436
1474364992119,2cyclictest2081408-21kworker/u16:3+events_unbound11:39:355
1474364992119,2cyclictest2081408-21kworker/u16:3+events_unbound11:39:355
1474364992119,2cyclictest1890523-21kworker/u16:1+events_unbound11:31:345
1474364992119,2cyclictest1793204-21kworker/u16:3+flush-8:009:42:505
1474364992119,2cyclictest1744803-21kworker/u16:2+flush-8:009:29:485
1474364992119,2cyclictest1535418-21kworker/u16:1+flush-8:008:30:505
1474364992119,2cyclictest1506156-21kworker/u16:3+events_unbound07:32:575
1474360992119,2cyclictest1829460-21kworker/u16:0+events_unbound10:13:124
1474360992119,2cyclictest1602628-21kworker/u16:0+events_unbound08:45:434
1474360992119,2cyclictest1602628-21kworker/u16:0+events_unbound08:39:454
1474370992019,0cyclictest0-21swapper/712:07:397
1474370992019,0cyclictest0-21swapper/709:40:327
1474370992019,0cyclictest0-21swapper/709:40:327
1474370992019,0cyclictest0-21swapper/707:43:447
1474370992018,1cyclictest1852946-21ssh10:05:567
1474370992014,5cyclictest1545333-21latency_hist07:42:357
1474366992018,2cyclictest1829460-21kworker/u16:0+events_unbound10:03:556
1474366992018,2cyclictest1602628-21kworker/u16:0+events_unbound08:38:436
1474364992018,2cyclictest2008784-21kworker/u16:4+events_unbound11:18:095
1474364992018,2cyclictest1890523-21kworker/u16:1+events_unbound12:02:505
1474364992018,2cyclictest1829460-21kworker/u16:0+flush-8:010:13:035
1474364992018,2cyclictest1602628-21kworker/u16:0+events_unbound09:07:485
1474364992018,2cyclictest1602628-21kworker/u16:0+events_unbound08:51:115
1474364992018,2cyclictest1554928-21kworker/u16:2+flush-8:008:07:485
1474364992018,2cyclictest1506156-21kworker/u16:3+flush-8:007:38:235
1474364992018,2cyclictest1506156-21kworker/u16:3+events_unbound07:46:515
1474364992018,2cyclictest1455335-21kworker/u16:0+events_unbound07:19:165
1474370991918,0cyclictest0-21swapper/712:19:567
1474370991918,0cyclictest0-21swapper/712:19:567
1474370991918,0cyclictest0-21swapper/708:56:457
147437099190,17cyclictest2048761-21sed11:27:497
1474366991917,2cyclictest1535418-21kworker/u16:1+events_unbound08:14:446
1474366991917,2cyclictest1209176-21kworker/u16:1+events_unbound07:12:396
1474364991917,2cyclictest2165101-21kworker/u16:1+events_unbound12:13:535
1474364991917,2cyclictest2095802-21kworker/u16:0+flush-8:011:48:225
1474364991917,2cyclictest2071586-21kworker/u16:2+flush-8:012:12:295
1474364991917,2cyclictest1890523-21kworker/u16:1+events_unbound11:14:305
1474364991917,2cyclictest1602628-21kworker/u16:0+events_unbound09:13:045
1474364991917,2cyclictest1602628-21kworker/u16:0+events_unbound08:34:115
1474360991917,2cyclictest1936165-21kworker/u16:2+events_unbound11:02:354
1474360991917,2cyclictest1535418-21kworker/u16:1+events_unbound08:10:444
1474360991916,2cyclictest1602628-21kworker/u16:0+events_unbound08:17:464
1474370991817,0cyclictest0-21swapper/708:08:437
1474370991816,1cyclictest1948273-21ssh10:43:197
1474370991816,1cyclictest0-21swapper/709:07:527
1474370991815,2cyclictest1816869-21ssh09:51:407
147437099180,17cyclictest0-21swapper/707:13:007
1474366991816,2cyclictest1455335-21kworker/u16:0+flush-8:007:57:356
1474364991816,2cyclictest2179663-21kworker/u16:3+events_unbound12:28:445
1474364991816,2cyclictest2165101-21kworker/u16:1+flush-8:012:23:135
1474364991816,2cyclictest1963065-21kworker/u16:3+events_unbound10:59:395
1474364991816,2cyclictest1963065-21kworker/u16:3+events_unbound10:59:395
1474364991816,2cyclictest1936165-21kworker/u16:2+events_unbound10:52:485
1474364991816,2cyclictest1779982-21kworker/u16:2+flush-8:009:56:465
1474364991816,2cyclictest1535418-21kworker/u16:1+events_unbound09:36:435
1474364991816,2cyclictest1506156-21kworker/u16:3+events_unbound07:29:595
1474364991816,2cyclictest1209176-21kworker/u16:1+events_unbound07:16:305
1474360991816,2cyclictest1890523-21kworker/u16:1+events_unbound11:19:314
1474360991816,2cyclictest1602628-21kworker/u16:0+events_unbound08:23:444
1474360991816,2cyclictest1554928-21kworker/u16:2+events_unbound07:49:454
1474360991816,2cyclictest1455335-21kworker/u16:0+events_unbound07:20:444
1474370991716,0cyclictest0-21swapper/710:19:217
1474370991716,0cyclictest0-21swapper/710:19:217
1474370991716,0cyclictest0-21swapper/708:02:447
1474366991715,2cyclictest1455335-21kworker/u16:0+events_unbound07:24:436
1474364991715,2cyclictest1890523-21kworker/u16:1+events_unbound11:33:065
1474364991715,2cyclictest1839611-21kworker/u16:5+events_unbound10:08:175
1474364991715,2cyclictest1602628-21kworker/u16:0+events_unbound08:17:485
1474364991715,2cyclictest1455335-21kworker/u16:0+events_unbound07:27:195
1474360991715,2cyclictest1455335-21kworker/u16:0+flush-8:007:22:444
1474360991714,2cyclictest1602628-21kworker/u16:0+flush-8:008:47:444
1474360991714,2cyclictest1506156-21kworker/u16:3+events_unbound07:37:444
1474370991615,0cyclictest0-21swapper/711:54:557
1474370991614,1cyclictest0-21swapper/709:42:347
1474370991613,2cyclictest2007362-21ssh11:07:587
147436699160,16cyclictest0-21swapper/608:59:436
147436699160,16cyclictest0-21swapper/608:26:576
147436699160,16cyclictest0-21swapper/608:11:356
147436699160,16cyclictest0-21swapper/608:07:306
147436699160,16cyclictest0-21swapper/607:42:556
1474364991614,2cyclictest1839611-21kworker/u16:5+events_unbound10:25:335
1474364991614,2cyclictest1602628-21kworker/u16:0+flush-8:009:07:115
1474364991614,2cyclictest1602628-21kworker/u16:0+events_unbound08:54:235
1474364991614,2cyclictest1535418-21kworker/u16:1+events_unbound09:40:285
1474364991614,2cyclictest1535418-21kworker/u16:1+events_unbound09:40:285
1474360991614,2cyclictest2071586-21kworker/u16:2+events_unbound11:59:524
1474360991614,2cyclictest1209176-21kworker/u16:1+flush-8:007:08:454
1474360991613,2cyclictest1455335-21kworker/u16:0+events_unbound07:52:534
1474370991514,0cyclictest0-21swapper/711:15:567
1474370991514,0cyclictest0-21swapper/709:02:447
1474370991514,0cyclictest0-21swapper/708:38:007
1474370991514,0cyclictest0-21swapper/708:01:437
1474370991512,2cyclictest0-21swapper/707:07:367
1474366991513,2cyclictest1651036-21kworker/u16:3+flush-8:008:48:046
1474364991513,2cyclictest2071586-21kworker/u16:2+events_unbound12:18:325
1474364991513,2cyclictest2071586-21kworker/u16:2+events_unbound12:18:325
1474364991513,2cyclictest1890523-21kworker/u16:1+events_unbound11:44:015
1474360991513,2cyclictest1455335-21kworker/u16:0+flush-8:007:43:034
1474370991413,0cyclictest0-21swapper/708:27:577
1474370991412,1cyclictest1708573-21diskmemload09:33:027
147436499140,1cyclictest0-21swapper/510:34:485
147436499140,13cyclictest0-21swapper/510:42:415
1474360991412,2cyclictest1602628-21kworker/u16:0+events_unbound08:13:444
1474360991412,2cyclictest1554928-21kworker/u16:2+events_unbound08:03:014
147437099139,3cyclictest6032-21gmain08:47:597
147437099139,3cyclictest1234-21snmpd07:32:067
147437099135,7cyclictest6514-21gmain07:22:597
147437099130,12cyclictest0-21swapper/708:32:597
147437099130,11cyclictest0-21swapper/707:47:577
1474364991311,2cyclictest1936165-21kworker/u16:2+events_unbound10:39:355
1474364991311,2cyclictest1890523-21kworker/u16:1+flush-8:010:28:115
1474360991311,2cyclictest1535418-21kworker/u16:1+flush-8:007:58:024
1474360991311,2cyclictest1506156-21kworker/u16:3+events_unbound07:31:454
1474370991212,0cyclictest0-21swapper/710:35:437
1474370991211,0cyclictest0-21swapper/708:58:027
1474370991211,0cyclictest0-21swapper/708:13:017
1474366991210,2cyclictest1507125-21kworker/u16:4+events_unbound07:27:586
147436699120,1cyclictest0-21swapper/607:36:396
147437099116,4cyclictest1234-21snmpd08:21:527
147436699110,3cyclictest1501405-21kthreadcore07:17:526
147436699110,1cyclictest0-21swapper/607:39:106
147436099119,2cyclictest1602628-21kworker/u16:0+events_unbound09:07:154
147436099118,2cyclictest1496145-21latency07:12:574
147436099110,11cyclictest0-21swapper/408:55:124
147437099107,2cyclictest0-21swapper/707:52:357
147436099107,2cyclictest1531024-21kthreadcore07:32:514
14743609997,1cyclictest0-21swapper/408:57:504
14743609984,3cyclictest1643024-21kthreadcore08:32:514
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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