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2026-06-05 - 11:47
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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 Fri Jun 05, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
113977325848,7sleep40-21swapper/419:03:544
113977325848,7sleep40-21swapper/419:03:544
113972724534,8sleep50-21swapper/519:03:155
113972724534,8sleep50-21swapper/519:03:155
1140274994337,5cyclictest1163128-21latency_hist19:16:367
1140269994341,2cyclictest1288467-21kworker/u16:1+flush-8:022:47:016
1140264994341,2cyclictest1122014-21kworker/u16:1+events_unbound19:06:514
11390032423,32sleep70-21swapper/719:02:057
11390032423,32sleep70-21swapper/719:02:057
1140269994139,2cyclictest1675909-21kworker/u16:3+flush-8:023:57:016
1140269993836,2cyclictest1675909-21kworker/u16:3+events_unbound00:31:556
1140269993836,2cyclictest1661456-21kworker/u16:0+events_unbound23:31:166
1140269993836,2cyclictest1661456-21kworker/u16:0+events_unbound23:19:156
1140269993836,2cyclictest1504019-21kworker/u16:3+events_unbound22:53:146
1140269993836,2cyclictest1297911-21kworker/u16:4+events_unbound21:57:386
1140269993836,2cyclictest1288467-21kworker/u16:1+events_unbound22:40:186
1140269993836,2cyclictest1288467-21kworker/u16:1+events_unbound22:26:396
1140269993735,2cyclictest1288467-21kworker/u16:1+events_unbound22:04:596
1140269993734,2cyclictest1661456-21kworker/u16:0+flush-8:000:01:556
1140269993634,2cyclictest1675909-21kworker/u16:3+events_unbound00:14:026
1140269993634,2cyclictest1661456-21kworker/u16:0+events_unbound23:34:106
1140269993634,2cyclictest1504019-21kworker/u16:3+flush-8:022:46:306
1140269993634,2cyclictest1483437-21kworker/u16:2+flush-8:022:23:596
1140269993634,2cyclictest1230775-21kworker/u16:0+events_unbound21:45:446
1140269993634,2cyclictest1230775-21kworker/u16:0+events_unbound21:13:556
1140269993533,2cyclictest1759278-21kworker/u16:2+events_unbound23:52:386
1140269993533,2cyclictest1759278-21kworker/u16:2+events_unbound23:48:466
1140269993533,2cyclictest1661456-21kworker/u16:0+events_unbound23:24:436
1140269993533,2cyclictest1661456-21kworker/u16:0+events_unbound00:29:426
1140269993533,2cyclictest1297911-21kworker/u16:4+events_unbound21:36:106
1140269993432,2cyclictest1661456-21kworker/u16:0+events_unbound23:43:476
1140269993432,2cyclictest1661456-21kworker/u16:0+events_unbound23:43:476
1140269993432,2cyclictest1661456-21kworker/u16:0+events_unbound23:13:236
1140269993432,2cyclictest1661456-21kworker/u16:0+events_unbound23:08:306
1140269993432,2cyclictest1661456-21kworker/u16:0+events_unbound23:03:186
1140269993432,2cyclictest1661456-21kworker/u16:0+events_unbound23:03:186
1140269993432,2cyclictest1661456-21kworker/u16:0+events_unbound00:25:466
1140269993432,2cyclictest1483437-21kworker/u16:2+events_unbound22:09:436
1140269993432,2cyclictest1230775-21kworker/u16:0+events_unbound21:49:156
1140269993432,2cyclictest1230775-21kworker/u16:0+events_unbound21:17:596
1140264993432,2cyclictest1483437-21kworker/u16:2+events_unbound22:22:004
1140269993331,2cyclictest1641368-21kworker/u16:1+events_unbound23:40:026
1140269993331,2cyclictest1297911-21kworker/u16:4+events_unbound21:52:476
1140269993331,2cyclictest1230775-21kworker/u16:0+events_unbound21:22:396
1140264993331,2cyclictest1675909-21kworker/u16:3+events_unbound23:32:034
17581482320,0chrt1758146-21ssh23:43:317
17581482320,0chrt1758146-21ssh23:43:317
1140274993226,5cyclictest635-21systemd-journal00:01:367
1140269993230,2cyclictest1661456-21kworker/u16:0+events_unbound00:18:146
1140269993129,2cyclictest1483437-21kworker/u16:2+events_unbound22:17:476
1140269993129,2cyclictest1230775-21kworker/u16:0+events_unbound21:41:346
1140269993129,2cyclictest1230775-21kworker/u16:0+events_unbound21:41:346
1140274993022,7cyclictest1288083-21latency_hist20:21:367
1140269993028,2cyclictest1504019-21kworker/u16:3+events_unbound22:57:146
1140269993028,2cyclictest1504019-21kworker/u16:3+events_unbound22:34:086
1140269993028,2cyclictest1504019-21kworker/u16:3+events_unbound22:13:106
1140269993028,2cyclictest1240373-21kworker/u16:3+events_unbound20:13:386
1140269993028,2cyclictest1230775-21kworker/u16:0+events_unbound21:09:026
113973723019,8sleep60-21swapper/619:03:246
113973723019,8sleep60-21swapper/619:03:246
1140269992927,2cyclictest1230775-21kworker/u16:0+events_unbound21:29:106
1140264992927,2cyclictest1230775-21kworker/u16:0+events_unbound21:02:024
1140274992722,4cyclictest1297695-21latency_hist20:26:367
1140274992721,5cyclictest635-21systemd-journal20:36:377
1140269992725,2cyclictest1122014-21kworker/u16:1+events_unbound19:25:476
1140269992624,2cyclictest439719-21kworker/u16:0+events_unbound19:18:476
1140269992624,2cyclictest1297911-21kworker/u16:4+events_unbound20:37:466
1140269992624,2cyclictest1192054-21kworker/u16:2+events_unbound20:06:496
1140274992520,4cyclictest1531185-21latency_hist22:11:367
1140264992523,2cyclictest1504019-21kworker/u16:3+events_unbound22:26:494
1140269992423,1cyclictest1192054-21kworker/u16:2+events_unbound19:41:276
1140269992422,2cyclictest1230775-21kworker/u16:0+events_unbound20:49:436
1140269992422,2cyclictest1172915-21kworker/u16:4+events_unbound19:48:396
1140269992321,2cyclictest1297911-21kworker/u16:4+events_unbound21:00:466
1140269992321,2cyclictest1240373-21kworker/u16:3+events_unbound20:23:046
1140267992321,2cyclictest1297911-21kworker/u16:4+flush-8:021:57:045
1140264992321,2cyclictest1230775-21kworker/u16:0+events_unbound20:16:494
1140274992217,4cyclictest635-21systemd-journal21:31:317
1140269992220,2cyclictest439719-21kworker/u16:0+events_unbound19:12:476
1140269992119,2cyclictest1240373-21kworker/u16:3+events_unbound20:01:276
1140269992119,2cyclictest1230775-21kworker/u16:0+events_unbound20:33:286
1140269992119,2cyclictest1192054-21kworker/u16:2+events_unbound20:06:346
1140269992119,2cyclictest1172915-21kworker/u16:4+events_unbound19:43:466
1140269992118,2cyclictest1784306-21kworker/u16:4+flush-8:000:06:466
1140267992119,2cyclictest1230775-21kworker/u16:0+events_unbound19:56:515
1140264992119,2cyclictest439719-21kworker/u16:0+events_unbound19:17:054
1140264992119,2cyclictest1675909-21kworker/u16:3+events_unbound23:51:264
1140264992119,2cyclictest1661456-21kworker/u16:0+events_unbound23:56:234
1140264992119,2cyclictest1661456-21kworker/u16:0+events_unbound23:18:404
1140269992018,2cyclictest1172915-21kworker/u16:4+flush-8:019:52:466
1140267992018,2cyclictest1641368-21kworker/u16:1+flush-8:023:27:025
1140267992018,2cyclictest1288467-21kworker/u16:1+events_unbound22:11:585
1140267992017,2cyclictest1661456-21kworker/u16:0+flush-8:000:21:515
1140264992018,2cyclictest1661456-21kworker/u16:0+events_unbound23:45:584
1140264992018,2cyclictest1661456-21kworker/u16:0+events_unbound23:45:584
1140264992018,2cyclictest1641368-21kworker/u16:1+events_unbound23:03:104
1140264992018,2cyclictest1641368-21kworker/u16:1+events_unbound23:03:104
1140264992018,2cyclictest1483437-21kworker/u16:2+events_unbound22:12:314
1140264992018,2cyclictest1297911-21kworker/u16:4+events_unbound21:33:434
1140264992018,2cyclictest1297911-21kworker/u16:4+events_unbound21:19:274
1140274991911,6cyclictest635-21systemd-journal21:56:367
114027499190,17cyclictest0-21swapper/720:06:587
1140269991917,2cyclictest1297911-21kworker/u16:4+events_unbound20:29:046
1140267991917,2cyclictest1297911-21kworker/u16:4+events_unbound21:36:595
1140267991917,2cyclictest1297911-21kworker/u16:4+events_unbound21:36:595
1140264991917,2cyclictest1675909-21kworker/u16:3+events_unbound23:40:314
1140264991917,2cyclictest1641368-21kworker/u16:1+events_unbound23:29:194
1140264991917,2cyclictest1483437-21kworker/u16:2+events_unbound22:02:024
1140264991917,2cyclictest1297911-21kworker/u16:4+events_unbound20:51:484
1140264991917,2cyclictest1288467-21kworker/u16:1+events_unbound22:45:544
1140264991917,2cyclictest1288467-21kworker/u16:1+events_unbound21:23:004
114027499184,13cyclictest5975-21gmain21:17:067
1140274991817,0cyclictest0-21swapper/719:57:027
114027499180,16cyclictest0-21swapper/723:06:587
1140269991816,2cyclictest1230775-21kworker/u16:0+events_unbound20:41:406
1140267991815,2cyclictest439719-21kworker/u16:0+flush-8:019:07:025
1140264991816,2cyclictest1675909-21kworker/u16:3+events_unbound00:15:464
1140264991816,2cyclictest1661456-21kworker/u16:0+events_unbound23:16:274
1140264991816,2cyclictest1504019-21kworker/u16:3+events_unbound22:46:394
1140264991816,2cyclictest1483437-21kworker/u16:2+events_unbound22:54:304
1140264991816,2cyclictest1483437-21kworker/u16:2+events_unbound22:00:514
1140264991816,2cyclictest1288467-21kworker/u16:1+events_unbound22:37:304
1140264991816,2cyclictest1230775-21kworker/u16:0+events_unbound21:27:324
1140264991815,2cyclictest1297911-21kworker/u16:4+events_unbound21:36:394
1140264991815,2cyclictest1297911-21kworker/u16:4+events_unbound21:36:394
1140264991815,2cyclictest1230775-21kworker/u16:0+events_unbound19:56:384
114027499174,12cyclictest6101-21gmain21:15:507
114027499173,6cyclictest6895-21gmain22:21:027
114027499173,4cyclictest5822-21gmain00:21:507
1140274991712,4cyclictest1355362-21latency_hist20:56:367
1140269991715,2cyclictest1240373-21kworker/u16:3+events_unbound20:20:126
1140267991714,2cyclictest1661456-21kworker/u16:0+events_unbound00:27:005
1140264991715,2cyclictest1784306-21kworker/u16:4+events_unbound00:17:434
1140264991715,2cyclictest1784306-21kworker/u16:4+events_unbound00:10:274
1140264991715,2cyclictest1661456-21kworker/u16:0+events_unbound00:23:114
1140264991715,2cyclictest1483437-21kworker/u16:2+events_unbound23:01:344
1140264991715,2cyclictest1483437-21kworker/u16:2+events_unbound22:20:224
114027499160,14cyclictest0-21swapper/700:02:027
1140269991614,2cyclictest1288467-21kworker/u16:1+events_unbound21:04:116
1140269991614,2cyclictest1192054-21kworker/u16:2+events_unbound19:34:156
1140267991614,2cyclictest1675909-21kworker/u16:3+flush-8:023:32:045
1140267991614,2cyclictest1483437-21kworker/u16:2+events_unbound22:06:595
1140267991613,2cyclictest1230775-21kworker/u16:0+flush-8:020:31:545
1140264991614,2cyclictest5944-21gsd-housekeepin00:03:374
1140264991614,2cyclictest1230775-21kworker/u16:0+events_unbound21:49:354
1140264991614,2cyclictest1230775-21kworker/u16:0+events_unbound21:42:004
1140264991614,2cyclictest1230775-21kworker/u16:0+events_unbound20:34:194
1140264991614,2cyclictest1172915-21kworker/u16:4+events_unbound19:29:474
114027499152,5cyclictest6032-21gmain22:40:427
1140274991514,0cyclictest0-21swapper/700:31:477
114027499150,14cyclictest0-21swapper/721:57:017
114027499150,13cyclictest0-21swapper/723:32:007
1140267991514,1cyclictest1641368-21kworker/u16:1+flush-8:023:21:365
1140267991513,2cyclictest1288467-21kworker/u16:1+flush-8:022:42:075
1140267991513,2cyclictest1240373-21kworker/u16:3+flush-8:020:17:025
1140264991513,2cyclictest1504019-21kworker/u16:3+events_unbound22:33:184
1140264991513,2cyclictest1297911-21kworker/u16:4+events_unbound21:54:164
1140264991513,2cyclictest1297911-21kworker/u16:4+events_unbound21:13:184
1140264991513,2cyclictest1230775-21kworker/u16:0+events_unbound20:15:454
1140264991512,2cyclictest1865125-21awk00:26:574
114027499148,5cyclictest1234-21snmpd21:50:057
114027499143,10cyclictest6895-21gmain22:56:027
114027499141,5cyclictest6895-21gmain22:01:587
114027499140,12cyclictest0-21swapper/721:32:027
1140269991412,2cyclictest439719-21kworker/u16:0+events_unbound19:09:086
1140269991412,2cyclictest1297911-21kworker/u16:4+events_unbound20:52:436
1140267991413,1cyclictest0-21swapper/523:42:575
1140267991413,1cyclictest0-21swapper/523:42:575
1140267991413,1cyclictest0-21swapper/522:51:055
1140267991413,1cyclictest0-21swapper/521:16:105
1140267991413,1cyclictest0-21swapper/521:08:555
1140267991410,3cyclictest1192054-21kworker/u16:2+flush-8:019:42:025
114026799140,1cyclictest0-21swapper/522:58:015
114026799140,14cyclictest0-21swapper/523:59:495
114026799140,14cyclictest0-21swapper/500:07:515
114026499149,2cyclictest1869117-21cstates00:31:494
1140264991413,1cyclictest0-21swapper/423:10:534
1140264991412,2cyclictest1504019-21kworker/u16:3+events_unbound22:08:504
1140264991412,2cyclictest1297911-21kworker/u16:4+events_unbound20:40:384
1140264991412,2cyclictest1297911-21kworker/u16:4+events_unbound20:27:484
1140264991412,2cyclictest1192054-21kworker/u16:2+events_unbound19:41:464
1140264991411,2cyclictest1228950-21cut19:46:564
1140264991411,2cyclictest1192054-21kworker/u16:2+events_unbound20:06:394
114026499140,14cyclictest0-21swapper/423:24:364
114026499140,14cyclictest0-21swapper/421:07:174
114027499139,3cyclictest1234-21snmpd23:40:597
114027499139,3cyclictest1234-21snmpd19:45:567
114027499137,5cyclictest6514-21gmain00:26:587
114027499137,5cyclictest5822-21gmain19:46:547
114027499136,6cyclictest6895-21gmain22:15:347
114027499135,6cyclictest124-21kswapd023:01:497
114027499135,6cyclictest124-21kswapd023:01:497
114027499134,7cyclictest1300732-21kthreadcore20:26:537
114027499134,6cyclictest1783130-21rm23:55:117
114027499134,6cyclictest1770884-21rm23:49:477
1140274991311,1cyclictest0-21swapper/719:06:597
1140274991310,2cyclictest0-21swapper/722:47:027
114027499130,6cyclictest909-21in:imjournal21:39:027
114027499130,6cyclictest909-21in:imjournal21:39:027
1140269991311,2cyclictest1172915-21kworker/u16:4+events_unbound19:29:126
1140267991312,1cyclictest0-21swapper/523:12:315
1140267991312,1cyclictest0-21swapper/523:05:165
1140267991312,1cyclictest0-21swapper/523:05:165
1140267991312,1cyclictest0-21swapper/522:29:385
1140267991312,1cyclictest0-21swapper/522:22:425
1140267991312,1cyclictest0-21swapper/521:54:295
1140267991312,1cyclictest0-21swapper/500:33:525
1140267991311,2cyclictest1297911-21kworker/u16:4+events_unbound21:31:505
1140267991311,2cyclictest1172915-21kworker/u16:4+flush-8:019:32:035
1140267991310,2cyclictest0-21swapper/519:51:515
114026799130,13cyclictest0-21swapper/521:23:445
114026799130,0cyclictest0-21swapper/500:16:325
114026499138,1cyclictest201rcu_preempt20:41:534
114026499136,4cyclictest65-21ksoftirqd/420:22:014
1140264991311,2cyclictest1230775-21kworker/u16:0+events_unbound20:48:234
1140264991311,2cyclictest1172915-21kworker/u16:4+events_unbound19:55:194
1140264991311,2cyclictest1172915-21kworker/u16:4+events_unbound19:37:404
1140264991311,1cyclictest1201175-21sed19:32:044
114027499129,2cyclictest1234-21snmpd19:26:287
114027499128,3cyclictest6382-21gvfs-afc-volume21:01:507
114027499128,3cyclictest1234-21snmpd23:27:317
114027499128,3cyclictest1234-21snmpd22:28:337
114027499128,3cyclictest1234-21snmpd00:16:487
114027499126,5cyclictest1234-21snmpd23:25:587
114027499124,6cyclictest1830965-21rm00:14:317
114027499124,6cyclictest1374601-21diskmemload21:41:507
114027499123,6cyclictest1565210-21rm22:22:397
114027499123,4cyclictest1198-21tuned-ppd00:10:247
1140274991211,0cyclictest0-21swapper/719:31:407
1140267991210,2cyclictest1784306-21kworker/u16:4+events_unbound00:19:445
1140267991210,2cyclictest1192054-21kworker/u16:2+events_unbound20:06:515
1140264991211,1cyclictest1258388-21awk20:02:024
1140264991211,1cyclictest1181266-21/usr/sbin/munin19:21:574
1140264991210,2cyclictest1675909-21kworker/u16:3+events_unbound23:56:454
1140264991210,1cyclictest1362734-21cut20:56:564
1140264991210,1cyclictest1154401-21diskstats19:11:494
114027499118,2cyclictest1234-21snmpd22:56:557
114027499117,3cyclictest982096-21gmain22:31:537
114027499117,3cyclictest1234-21snmpd23:16:497
114027499117,3cyclictest1234-21snmpd20:36:127
114027499117,3cyclictest1234-21snmpd19:52:537
114027499116,4cyclictest1234-21snmpd21:07:587
114027499114,6cyclictest1605277-21cut22:41:547
114027499114,6cyclictest1269613-21cat20:11:477
114027499114,6cyclictest1211499-21sed19:41:377
114027499114,6cyclictest1166312-21cut19:16:557
114027499113,7cyclictest1335783-21unixbench_singl20:42:047
114027499111,2cyclictest1025-21runrttasks23:12:067
114027499110,4cyclictest1419726-21ssh21:22:027
114026799119,2cyclictest1288467-21kworker/u16:1+flush-8:022:36:595
114026799119,2cyclictest1122014-21kworker/u16:1+flush-8:019:21:525
114026799117,3cyclictest1483437-21kworker/u16:2+flush-8:023:06:415
1140267991110,1cyclictest0-21swapper/523:51:185
1140267991110,1cyclictest0-21swapper/521:00:335
1140267991110,1cyclictest0-21swapper/520:22:155
1140267991110,1cyclictest0-21swapper/519:29:355
114026799110,11cyclictest0-21swapper/520:42:455
114027499103,6cyclictest1188010-21grep19:26:557
114027499100,4cyclictest1364940-21sshd-session21:01:047
114026799109,1cyclictest0-21swapper/520:51:345
114026799109,1cyclictest0-21swapper/519:16:025
114026799106,3cyclictest1472275-21cat21:46:515
114026799106,3cyclictest1297911-21kworker/u16:4+flush-8:020:51:515
11402749996,2cyclictest1234-21snmpd20:01:537
11402749991,3cyclictest6101-21gmain20:50:067
11402679997,2cyclictest1641368-21kworker/u16:1+events_unbound23:37:045
11402679990,1cyclictest0-21swapper/521:16:525
11402679984,3cyclictest1708908-21awk23:22:035
11402679984,3cyclictest1164315-21cat19:16:525
11402679983,4cyclictest1467040-21cut21:41:575
11402679983,4cyclictest1321798-21cut20:36:545
11402679983,4cyclictest1302648-21cut20:26:555
11402679983,4cyclictest1203243-21kthreadcore19:36:545
11402679983,3cyclictest1780780-21ntpq23:52:005
11402679980,4cyclictest1582223-21kthreadcore22:31:535
11402679975,1cyclictest0-21swapper/522:51:565
11402679974,2cyclictest1269360-21cpuspeed20:11:475
11402679974,2cyclictest1250258-21cpuspeed_turbos20:01:495
11402679973,3cyclictest1798678-21cat00:01:555
11402679973,3cyclictest1365513-21grep21:01:485
11402679972,4cyclictest1425741-21grep21:26:545
11402679972,4cyclictest1222441-21cut19:46:525
11402679970,4cyclictest1545016-21cut22:16:525
11402679970,4cyclictest1507719-21cpuspeed_turbos22:01:485
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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