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2026-08-09 - 01:43
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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 Sun Aug 09, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17000382990,1sleep71700040-21tr22:13:447
1296110997169,2cyclictest1484118-21kworker/u16:0+events_unbound22:13:516
20313602610,1sleep72031363-21cut00:33:377
129564525443,8sleep40-21swapper/419:05:434
129564525443,8sleep40-21swapper/419:05:434
129579225319,29sleep70-21swapper/719:07:467
129579225319,29sleep70-21swapper/719:07:467
1296104995048,2cyclictest614225-21kworker/u16:6+events_unbound20:43:484
1296104995048,2cyclictest1484118-21kworker/u16:0+events_unbound21:38:524
1296110994947,2cyclictest1799085-21kworker/u16:2+events_unbound00:03:556
1296104994947,2cyclictest1945984-21kworker/u16:4+events_unbound00:28:504
1296104994947,2cyclictest1232262-21kworker/u16:1+flush-8:019:33:494
1296104994947,1cyclictest1847425-21kworker/u16:0+events_unbound23:48:344
1296104994846,2cyclictest1329470-21kworker/u16:3+events_unbound19:28:494
1296104994744,2cyclictest1884422-21kworker/u16:1+events_unbound23:33:514
1296110994644,2cyclictest1232262-21kworker/u16:1+flush-8:019:48:486
1296108994644,2cyclictest1847425-21kworker/u16:0+events_unbound00:08:465
1296104994643,2cyclictest1484118-21kworker/u16:0+events_unbound21:03:324
129553224621,7sleep50-21swapper/519:04:075
129553224621,7sleep50-21swapper/519:04:075
1296110994543,2cyclictest2003279-21kworker/u16:1+events_unbound00:33:456
1296110994543,2cyclictest1764024-21kworker/u16:0+events_unbound23:03:476
1296110994542,2cyclictest1688972-21kworker/u16:1+events_unbound22:18:356
1296110994442,2cyclictest1688972-21kworker/u16:1+events_unbound22:23:346
1296110994442,2cyclictest1523346-21kworker/u16:3+events_unbound22:28:506
1296108994442,2cyclictest1368256-21kworker/u16:0+events_unbound19:43:445
1296104994442,2cyclictest1484118-21kworker/u16:0+events_unbound22:13:414
1296115994337,5cyclictest1763604-21latency_hist22:43:197
1296108994341,2cyclictest1847425-21kworker/u16:0+events_unbound23:38:465
1296108994340,2cyclictest1523346-21kworker/u16:3+events_unbound22:38:345
1296108994340,2cyclictest1445753-21kworker/u16:2+flush-8:020:33:365
1296104994341,2cyclictest1847425-21kworker/u16:0+events_unbound00:18:504
1296104994341,2cyclictest1688972-21kworker/u16:1+flush-8:022:28:334
1296110994240,2cyclictest1426132-21kworker/u16:1+flush-8:020:38:476
1296104994240,2cyclictest1847425-21kworker/u16:0+events_unbound23:43:514
1296110994139,2cyclictest614225-21kworker/u16:6+events_unbound20:08:516
1296110994139,2cyclictest1523346-21kworker/u16:3+flush-8:021:43:346
1296108994139,2cyclictest1688972-21kworker/u16:1+events_unbound23:18:325
1296108994138,2cyclictest614225-21kworker/u16:6+flush-8:020:48:335
1296104994139,2cyclictest1504046-21kworker/u16:1+events_unbound21:08:334
1296104994139,2cyclictest1368256-21kworker/u16:0+flush-8:020:03:444
17274572400,0sleep71727458-21systemd-run22:28:187
1296108994038,2cyclictest1426132-21kworker/u16:1+flush-8:020:28:345
1296108994038,2cyclictest1276574-21kworker/u16:0+flush-8:019:13:435
1296108994036,3cyclictest1799085-21kworker/u16:2+flush-8:023:43:495
1296104994038,2cyclictest1368256-21kworker/u16:0+events_unbound20:13:484
1296104994038,2cyclictest1368256-21kworker/u16:0+events_unbound20:13:484
1296110993937,2cyclictest1945984-21kworker/u16:4+flush-8:000:13:556
1296110993937,2cyclictest1688972-21kworker/u16:1+flush-8:022:43:446
1296104993937,2cyclictest614225-21kworker/u16:6+flush-8:019:23:494
1296104993937,2cyclictest1523346-21kworker/u16:3+flush-8:021:13:484
1296104993937,2cyclictest1523346-21kworker/u16:3+events_unbound22:38:094
1296104993937,2cyclictest1386941-21kworker/u16:2+flush-8:019:53:374
1296115993836,1cyclictest1533027-21diskmemload22:13:187
1296110993836,2cyclictest1822071-21kworker/u16:3+events_unbound23:10:206
1296110993836,2cyclictest1799085-21kworker/u16:2+events_unbound23:43:356
1296110993836,2cyclictest1305978-21kworker/u16:2+events_unbound19:18:356
1296104993835,2cyclictest1764024-21kworker/u16:0+events_unbound22:46:574
129560723828,7sleep60-21swapper/619:05:136
129560723828,7sleep60-21swapper/619:05:136
1296110993735,2cyclictest614225-21kworker/u16:6+flush-8:019:28:426
1296110993735,2cyclictest1884422-21kworker/u16:1+events_unbound23:37:126
1296110993735,2cyclictest1523346-21kworker/u16:3+flush-8:021:29:206
1296108993736,1cyclictest1822071-21kworker/u16:3+events_unbound23:13:535
1296108993735,2cyclictest1523346-21kworker/u16:3+flush-8:022:13:365
1296108993735,2cyclictest1523346-21kworker/u16:3+events_unbound21:38:485
1296108993734,2cyclictest614225-21kworker/u16:6+flush-8:020:53:205
1296104993735,2cyclictest2003279-21kworker/u16:1+events_unbound00:23:474
1296104993735,2cyclictest1484118-21kworker/u16:0+events_unbound22:10:404
1296115993634,1cyclictest0-21swapper/719:13:347
1296115993630,5cyclictest1445573-21latency_hist20:23:197
1296110993634,2cyclictest1557508-21kworker/u16:4+events_unbound21:20:576
1296108993634,2cyclictest1847425-21kworker/u16:0+events_unbound00:13:455
1296108993634,2cyclictest1799085-21kworker/u16:2+events_unbound00:29:565
1296108993634,2cyclictest1523346-21kworker/u16:3+events_unbound22:26:085
1296104993634,2cyclictest1799085-21kworker/u16:2+events_unbound23:42:524
1296104993634,2cyclictest1688972-21kworker/u16:1+flush-8:023:14:014
1296104993634,2cyclictest1484118-21kworker/u16:0+events_unbound21:52:044
1296104993634,2cyclictest1426132-21kworker/u16:1+flush-8:020:38:434
1296104993634,2cyclictest1305978-21kworker/u16:2+events_unbound19:13:484
1296104993633,2cyclictest1688972-21kworker/u16:1+events_unbound22:38:504
1296110993533,2cyclictest1764024-21kworker/u16:0+events_unbound22:53:356
1296110993533,2cyclictest1688972-21kworker/u16:1+events_unbound23:24:246
1296110993533,2cyclictest1445753-21kworker/u16:2+events_unbound20:43:536
1296110993532,2cyclictest614225-21kworker/u16:6+events_unbound20:58:336
1296110993532,2cyclictest614225-21kworker/u16:6+events_unbound20:58:336
1296110993532,2cyclictest1484118-21kworker/u16:0+flush-8:021:33:516
1296110993532,2cyclictest1386941-21kworker/u16:2+flush-8:019:53:206
1296108993533,2cyclictest1799085-21kworker/u16:2+flush-8:023:23:345
1296108993533,2cyclictest1643005-21kworker/u16:5+events_unbound21:58:485
1296108993533,2cyclictest1523346-21kworker/u16:3+events_unbound22:19:495
1296108993533,2cyclictest1523346-21kworker/u16:3+events_unbound22:03:575
1296108993533,2cyclictest1504046-21kworker/u16:1+flush-8:021:18:455
1296108993533,2cyclictest1484118-21kworker/u16:0+events_unbound21:03:495
1296108993533,2cyclictest1368256-21kworker/u16:0+flush-8:020:03:405
1296108993532,2cyclictest1884422-21kworker/u16:1+events_unbound23:33:205
1296104993533,2cyclictest1847425-21kworker/u16:0+events_unbound23:21:014
1296104993533,2cyclictest1523346-21kworker/u16:3+flush-8:021:34:384
1296104993532,2cyclictest1945984-21kworker/u16:4+events_unbound00:13:254
18847022340,1chrt1884459-21latency_hist23:33:187
1296110993432,2cyclictest1523346-21kworker/u16:3+events_unbound22:41:056
1296110993432,2cyclictest1445753-21kworker/u16:2+flush-8:020:48:436
1296110993432,2cyclictest1445753-21kworker/u16:2+events_unbound20:23:326
1296110993432,2cyclictest1232262-21kworker/u16:1+events_unbound19:38:436
1296108993432,2cyclictest614225-21kworker/u16:6+events_unbound20:58:435
1296108993432,2cyclictest614225-21kworker/u16:6+events_unbound20:58:435
1296108993432,2cyclictest1799085-21kworker/u16:2+events_unbound23:04:525
1296108993432,2cyclictest1523346-21kworker/u16:3+events_unbound22:10:015
1296104993432,2cyclictest1870465-21kworker/u16:3+events_unbound23:31:054
1296104993432,2cyclictest1702272-21kworker/u16:2+events_unbound22:24:264
1296104993432,2cyclictest1445753-21kworker/u16:2+events_unbound20:33:444
1296110993331,2cyclictest1688972-21kworker/u16:1+events_unbound23:02:096
1296110993331,2cyclictest1688972-21kworker/u16:1+events_unbound23:02:096
1296110993331,2cyclictest1523346-21kworker/u16:3+events_unbound21:40:536
1296110993331,2cyclictest1368256-21kworker/u16:0+flush-8:019:58:436
1296110993330,2cyclictest1822071-21kworker/u16:3+flush-8:023:13:336
1296108993331,2cyclictest1799085-21kworker/u16:2+events_unbound00:02:525
1296108993331,2cyclictest1643005-21kworker/u16:5+flush-8:021:53:495
1296108993331,2cyclictest1523346-21kworker/u16:3+flush-8:022:28:495
1296108993331,2cyclictest1523346-21kworker/u16:3+events_unbound21:11:505
1296108993331,2cyclictest1504046-21kworker/u16:1+events_unbound21:27:565
1296104993331,2cyclictest1945984-21kworker/u16:4+flush-8:000:03:164
1296104993331,2cyclictest1799085-21kworker/u16:2+events_unbound00:03:434
1296104993331,2cyclictest1523346-21kworker/u16:3+flush-8:021:43:354
1296104993331,2cyclictest1523346-21kworker/u16:3+events_unbound22:55:054
1296104993331,2cyclictest1523346-21kworker/u16:3+events_unbound22:00:364
1296104993331,2cyclictest1504046-21kworker/u16:1+events_unbound21:18:524
1296110993230,2cyclictest1945984-21kworker/u16:4+events_unbound00:01:326
1296110993230,2cyclictest1847425-21kworker/u16:0+flush-8:023:18:496
1296110993230,2cyclictest1799085-21kworker/u16:2+events_unbound00:08:506
1296110993230,2cyclictest1523346-21kworker/u16:3+events_unbound22:06:166
1296110993230,2cyclictest1426132-21kworker/u16:1+events_unbound20:28:496
1296110993229,2cyclictest614225-21kworker/u16:6+events_unbound19:33:226
1296108993230,2cyclictest1822071-21kworker/u16:3+flush-8:023:08:535
1296108993230,2cyclictest1799085-21kworker/u16:2+events_unbound00:24:245
1296108993230,2cyclictest1688972-21kworker/u16:1+events_unbound22:43:575
1296108993230,2cyclictest1523346-21kworker/u16:3+events_unbound22:37:325
1296108993230,2cyclictest1523346-21kworker/u16:3+events_unbound21:30:365
1296108993230,2cyclictest1504046-21kworker/u16:1+events_unbound21:16:495
1296108993230,2cyclictest1368256-21kworker/u16:0+events_unbound19:58:475
1296104993230,2cyclictest2003279-21kworker/u16:1+flush-8:000:38:054
1296104993230,2cyclictest1822071-21kworker/u16:3+events_unbound23:10:454
1296104993230,2cyclictest1799085-21kworker/u16:2+events_unbound00:13:044
1296104993230,2cyclictest1630836-21kworker/u16:2+events_unbound21:57:444
1296104993230,2cyclictest1523346-21kworker/u16:3+flush-8:022:18:354
20280562310,1chrt2028054-21ssh00:30:577
1296110993129,2cyclictest1764024-21kworker/u16:0+events_unbound22:53:046
1296110993129,2cyclictest1484118-21kworker/u16:0+events_unbound22:01:346
1296110993129,2cyclictest1305978-21kworker/u16:2+flush-8:019:13:506
1296110993126,2cyclictest1386941-21kworker/u16:2+events_unbound20:03:326
1296108993129,2cyclictest614225-21kworker/u16:6+events_unbound19:48:515
1296108993129,2cyclictest1908986-21kworker/u16:3+events_unbound23:51:485
1296108993129,2cyclictest1799085-21kworker/u16:2+events_unbound00:20:335
1296108993129,2cyclictest1799085-21kworker/u16:2+events_unbound00:05:485
1296108993129,2cyclictest1764024-21kworker/u16:0+flush-8:022:48:565
1296108993129,2cyclictest1523346-21kworker/u16:3+flush-8:022:53:495
1296108993129,2cyclictest1232262-21kworker/u16:1+flush-8:019:18:465
1296104993129,2cyclictest1799085-21kworker/u16:2+flush-8:023:54:244
1296104993129,2cyclictest1523346-21kworker/u16:3+events_unbound22:52:414
1296104993129,2cyclictest1523346-21kworker/u16:3+events_unbound22:06:414
1296104993129,2cyclictest1504046-21kworker/u16:1+events_unbound21:31:424
1296104993128,2cyclictest614225-21kworker/u16:6+events_unbound19:48:214
1296104993128,2cyclictest1504046-21kworker/u16:1+events_unbound21:23:574
1296104993128,2cyclictest1426132-21kworker/u16:1+events_unbound20:28:334
1296110993028,2cyclictest1523346-21kworker/u16:3+events_unbound21:54:526
1296110993028,2cyclictest1504046-21kworker/u16:1+events_unbound21:51:406
1296110993028,2cyclictest1426132-21kworker/u16:1+events_unbound20:13:526
1296110993028,2cyclictest1426132-21kworker/u16:1+events_unbound20:13:526
1296108993028,2cyclictest614225-21kworker/u16:6+events_unbound19:34:335
1296108993028,2cyclictest1870465-21kworker/u16:3+events_unbound23:28:545
1296108993028,2cyclictest1799085-21kworker/u16:2+events_unbound23:53:315
1296108993028,2cyclictest1504046-21kworker/u16:1+events_unbound21:48:395
1296108993028,2cyclictest1484118-21kworker/u16:0+events_unbound21:37:485
1296108993028,2cyclictest1386941-21kworker/u16:2+flush-8:019:53:365
1296108993028,2cyclictest1368256-21kworker/u16:0+events_unbound20:14:295
1296108993028,2cyclictest1368256-21kworker/u16:0+events_unbound20:14:295
1296108993027,2cyclictest2003279-21kworker/u16:1+events_unbound00:33:315
1296104993028,2cyclictest1799085-21kworker/u16:2+flush-8:023:24:324
1296104993028,2cyclictest1799085-21kworker/u16:2+flush-8:023:05:254
1296104993028,2cyclictest1764024-21kworker/u16:0+flush-8:022:59:574
1296104993028,2cyclictest1764024-21kworker/u16:0+flush-8:022:59:574
1296110992927,2cyclictest2003279-21kworker/u16:1+events_unbound00:31:326
1296110992927,2cyclictest1847425-21kworker/u16:0+events_unbound23:56:136
1296110992927,2cyclictest1799085-21kworker/u16:2+events_unbound23:28:406
1296108992927,2cyclictest1329470-21kworker/u16:3+events_unbound19:32:285
1296104992927,2cyclictest614225-21kworker/u16:6+events_unbound20:00:304
1296104992927,2cyclictest1484118-21kworker/u16:0+events_unbound20:54:294
1296104992927,2cyclictest1445753-21kworker/u16:2+flush-8:020:23:334
1296115992826,1cyclictest1533027-21diskmemload22:05:547
1296110992826,2cyclictest614225-21kworker/u16:6+events_unbound19:45:296
1296110992826,2cyclictest1799085-21kworker/u16:2+events_unbound00:20:246
1296108992826,2cyclictest1688972-21kworker/u16:1+events_unbound23:03:085
1296108992826,2cyclictest1688972-21kworker/u16:1+events_unbound23:03:085
1296108992826,2cyclictest1484118-21kworker/u16:0+flush-8:021:43:455
1296108992826,2cyclictest1232262-21kworker/u16:1+flush-8:019:41:295
1296110992725,2cyclictest1847425-21kworker/u16:0+flush-8:023:41:466
1296110992725,2cyclictest1484118-21kworker/u16:0+flush-8:021:04:256
1296110992724,2cyclictest1504046-21kworker/u16:1+flush-8:021:23:326
1296104992725,2cyclictest1232262-21kworker/u16:1+events_unbound19:21:294
1296110992624,2cyclictest1799085-21kworker/u16:2+events_unbound00:24:516
1296110992624,2cyclictest1523346-21kworker/u16:3+flush-8:022:37:156
1296110992624,2cyclictest1504046-21kworker/u16:1+flush-8:021:17:446
1296110992624,2cyclictest1484118-21kworker/u16:0+events_unbound22:10:476
1296108992624,2cyclictest1386941-21kworker/u16:2+events_unbound20:11:545
129611599250,23cyclictest1849567-21sh23:18:337
1296110992523,2cyclictest1523346-21kworker/u16:3+events_unbound21:09:596
1296108992523,2cyclictest1445753-21kworker/u16:2+events_unbound20:25:335
1296115992422,1cyclictest0-21swapper/700:04:107
1296110992422,2cyclictest1847425-21kworker/u16:0+events_unbound23:50:436
1296110992422,2cyclictest1504046-21kworker/u16:1+events_unbound20:56:536
1296108992422,2cyclictest1232262-21kworker/u16:1+flush-8:019:11:065
1296104992422,2cyclictest1329470-21kworker/u16:3+events_unbound19:40:304
1296110992321,2cyclictest1426132-21kworker/u16:1+events_unbound20:20:526
1296115992220,1cyclictest0-21swapper/721:58:447
1296115992217,4cyclictest1920634-21latency_hist23:48:187
1296110992220,2cyclictest614225-21kworker/u16:6+events_unbound20:34:256
1296110992220,2cyclictest1276574-21kworker/u16:0+flush-8:019:10:256
1296104992220,2cyclictest1368256-21kworker/u16:0+events_unbound20:18:474
1296108992119,2cyclictest614225-21kworker/u16:6+flush-8:020:42:245
1296108992119,2cyclictest614225-21kworker/u16:6+events_unbound19:23:565
1296108992119,2cyclictest1368256-21kworker/u16:0+flush-8:020:22:365
1296108992018,2cyclictest614225-21kworker/u16:6+flush-8:020:45:495
1296104992018,2cyclictest614225-21kworker/u16:6+events_unbound19:45:334
1296110991917,2cyclictest1329470-21kworker/u16:3+events_unbound19:26:266
1296115991817,0cyclictest0-21swapper/722:43:537
1296115991812,5cyclictest1630796-21latency_hist21:48:197
129611599180,16cyclictest1302-21snmpd20:32:487
13821342170,1chrt1382135-21kthreadcore19:48:407
129611599170,15cyclictest1813043-21cat23:03:327
1296104991715,2cyclictest1445753-21kworker/u16:2+flush-8:020:49:134
1296115991613,2cyclictest0-21swapper/723:23:387
1296115991613,2cyclictest0-21swapper/722:18:197
1296115991612,2cyclictest1607449-21diskstats21:38:337
1296115991611,3cyclictest1532080-21ntpq21:03:447
1296115991514,0cyclictest0-21swapper/722:48:527
1296115991513,1cyclictest1455308-21perf20:28:197
1296115991512,2cyclictest0-21swapper/700:13:187
129611599150,13cyclictest1845897-21awk23:13:527
129611599150,13cyclictest1546205-21sh21:13:327
129611599150,13cyclictest1427292-21cat20:13:377
129611599150,13cyclictest1427292-21cat20:13:377
1296115991410,3cyclictest1558760-21cat21:18:357
129611599140,12cyclictest1994085-21sh00:18:327
129611599140,12cyclictest1377578-21latency_hist19:48:197
129611599140,12cyclictest1329768-21cstates19:23:347
129611599139,3cyclictest1789144-21cat22:53:347
129611599139,3cyclictest1302-21snmpd23:54:377
129611599139,3cyclictest1302-21snmpd20:49:157
1296115991313,0cyclictest0-21swapper/722:33:287
1296115991312,0cyclictest0-21swapper/722:28:257
1296115991310,2cyclictest0-21swapper/719:53:207
129611599130,12cyclictest1302-21snmpd21:38:047
129611599130,11cyclictest1893805-21ssh23:33:517
129611599129,2cyclictest1302-21snmpd20:01:387
129611599129,2cyclictest1302-21snmpd19:38:107
129611599128,3cyclictest1897817-21cat23:38:347
129611599128,3cyclictest1302-21snmpd21:49:537
129611599128,3cyclictest1302-21snmpd21:01:377
129611599128,3cyclictest1302-21snmpd21:01:377
129611599128,3cyclictest1302-21snmpd19:12:107
129611599127,4cyclictest1466087-21tune2fs20:33:337
129611599126,5cyclictest1982345-21cat00:13:367
1296115991210,1cyclictest0-21swapper/721:23:527
1296115991210,1cyclictest0-21swapper/719:28:457
129611599120,2cyclictest1475655-21df_inode20:38:327
129611599120,2cyclictest1408512-21grep20:03:377
129611599120,10cyclictest1824577-21ssh23:08:287
1296104991210,2cyclictest614225-21kworker/u16:6+events_unbound20:58:454
1296104991210,2cyclictest614225-21kworker/u16:6+events_unbound20:58:454
1296104991210,2cyclictest1368256-21kworker/u16:0+events_unbound20:12:244
129611599119,1cyclictest0-21swapper/700:23:547
129611599118,2cyclictest1367881-21munin-run19:43:197
129611599118,2cyclictest1302-21snmpd21:10:467
129611599118,2cyclictest0-21swapper/723:58:497
129611599118,2cyclictest0-21swapper/720:08:467
129611599117,3cyclictest1302-21snmpd23:50:257
129611599117,3cyclictest1302-21snmpd22:59:097
129611599117,3cyclictest1302-21snmpd22:59:097
129611599113,3cyclictest1322799-21grep19:18:387
129611599110,9cyclictest1486030-21irqstats20:43:377
129611599110,1cyclictest1654426-21ssh21:57:147
129610499119,2cyclictest1232262-21kworker/u16:1+events_unbound19:08:394
129611599100,9cyclictest1583369-21ssh21:28:367
12961159994,4cyclictest1504902-21tune2fs20:53:337
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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