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2026-06-27 - 11:17
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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 all highest latencies:
System rack0slot2.osadl.org (updated Sat Jun 27, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17586112930,0sleep40-21swapper/423:49:404
112306225847,7sleep40-21swapper/419:06:224
112323725723,29sleep70-21swapper/719:08:507
112322424029,8sleep50-21swapper/519:08:405
1123578993832,5cyclictest650-21systemd-journal19:59:217
112357899370,36cyclictest1385304-21latency_hist21:19:217
1123576993735,2cyclictest1432098-21kworker/u16:0+events_unbound22:24:216
1123576993735,2cyclictest1397738-21kworker/u16:1+events_unbound22:08:066
1123576993634,2cyclictest1533045-21kworker/u16:1+events_unbound23:38:236
1123576993634,2cyclictest1482898-21kworker/u16:2+events_unbound22:12:126
1123576993533,2cyclictest1641595-21kworker/u16:3+events_unbound23:13:556
1123576993533,2cyclictest1432098-21kworker/u16:0+events_unbound22:26:476
1123576993533,2cyclictest1397738-21kworker/u16:1+events_unbound21:27:036
1123576993533,2cyclictest1373471-21kworker/u16:3+events_unbound21:57:486
1123576993533,2cyclictest1373471-21kworker/u16:3+events_unbound21:54:076
1123576993432,2cyclictest1533045-21kworker/u16:1+events_unbound22:57:526
1123576993331,2cyclictest1678330-21kworker/u16:0+events_unbound23:56:106
1123576993331,2cyclictest1641595-21kworker/u16:3+events_unbound23:05:566
1123578993227,4cyclictest1568368-21latency_hist22:34:217
1123578993226,5cyclictest650-21systemd-journal19:14:227
1123576993230,2cyclictest1664040-21kworker/u16:2+events_unbound23:45:076
1123576993230,2cyclictest1533045-21kworker/u16:1+events_unbound22:31:236
1123576993230,2cyclictest1533045-21kworker/u16:1+events_unbound00:37:046
1123576993230,2cyclictest1373471-21kworker/u16:3+events_unbound21:39:516
1123576993230,2cyclictest1146940-21kworker/u16:4+events_unbound19:46:446
1123576993129,2cyclictest1432098-21kworker/u16:0+events_unbound21:38:396
1123576993129,2cyclictest1397738-21kworker/u16:1+events_unbound21:30:116
1123576993129,2cyclictest1224768-21kworker/u16:1+events_unbound20:36:446
112320723121,7sleep60-21swapper/619:08:256
1123578993029,0cyclictest0-21swapper/700:26:357
1123578993028,1cyclictest0-21swapper/723:24:547
1123576993028,2cyclictest1664040-21kworker/u16:2+events_unbound23:29:106
1123576993028,2cyclictest1617328-21kworker/u16:4+events_unbound23:00:406
1123576993028,2cyclictest1373471-21kworker/u16:3+events_unbound21:19:596
1123576993028,2cyclictest1373471-21kworker/u16:3+events_unbound21:18:236
1123576992927,2cyclictest1785688-21kworker/u16:6+events_unbound00:01:016
1123576992927,2cyclictest1785688-21kworker/u16:6+events_unbound00:01:016
1123576992927,2cyclictest1590492-21kworker/u16:3+events_unbound22:47:526
1123576992927,2cyclictest1373471-21kworker/u16:3+events_unbound22:17:586
1123576992826,2cyclictest1664040-21kworker/u16:2+flush-8:023:43:116
1123576992826,2cyclictest1664040-21kworker/u16:2+flush-8:023:18:066
1123576992826,2cyclictest1533045-21kworker/u16:1+events_unbound23:51:466
1123576992826,2cyclictest1533045-21kworker/u16:1+events_unbound23:23:266
1123576992826,2cyclictest1533045-21kworker/u16:1+events_unbound23:23:266
1123576992826,2cyclictest1288885-21kworker/u16:2+events_unbound21:08:436
1123576992826,2cyclictest1205417-21kworker/u16:2+events_unbound20:22:456
1123576992826,2cyclictest1132338-21kworker/u16:3+flush-8:020:03:436
1123576992822,6cyclictest1785688-21kworker/u16:6+events_unbound00:12:096
1123567992825,2cyclictest1373471-21kworker/u16:3+events_unbound21:34:334
17739432270,1chrt1773941-21ssh23:55:447
1123576992725,2cyclictest1814336-21kworker/u16:0+events_unbound00:16:476
1123576992725,2cyclictest1785688-21kworker/u16:6+events_unbound00:06:356
1123576992725,2cyclictest1533045-21kworker/u16:1+flush-8:023:29:576
1123576992725,2cyclictest1519764-21kworker/u16:4+events_unbound22:38:506
1123576992725,2cyclictest1397738-21kworker/u16:1+flush-8:021:49:016
1123576992725,2cyclictest1397738-21kworker/u16:1+events_unbound22:02:026
1123576992725,2cyclictest1049610-21kworker/u16:0+flush-8:019:56:436
1123578992625,0cyclictest0-21swapper/722:04:477
1123578992625,0cyclictest0-21swapper/720:24:517
1123576992624,2cyclictest1850880-21kworker/u16:0+flush-8:000:30:386
1123576992624,2cyclictest1775909-21kworker/u16:5+flush-8:000:20:116
1123576992624,2cyclictest1274411-21kworker/u16:3+events_unbound20:27:316
1123576992624,2cyclictest1224768-21kworker/u16:1+events_unbound20:57:446
1123576992624,2cyclictest1205417-21kworker/u16:2+events_unbound20:07:276
1123576992624,2cyclictest1132338-21kworker/u16:3+events_unbound19:23:196
1123567992624,2cyclictest1288885-21kworker/u16:2+flush-8:020:59:444
1123567992623,2cyclictest1224768-21kworker/u16:1+events_unbound20:29:364
1123578992524,0cyclictest0-21swapper/722:20:037
112357899250,23cyclictest1726111-21sshd-session23:37:427
1123576992523,2cyclictest1590492-21kworker/u16:3+events_unbound22:53:346
1123576992523,2cyclictest1274411-21kworker/u16:3+events_unbound20:31:006
1123576992523,2cyclictest1132338-21kworker/u16:3+events_unbound19:51:256
1123576992523,2cyclictest1132338-21kworker/u16:3+events_unbound19:32:286
1123576992522,2cyclictest1049610-21kworker/u16:0+events_unbound20:09:246
1123572992522,2cyclictest1094623-21kworker/u16:1+flush-8:019:09:275
1123567992523,2cyclictest1533045-21kworker/u16:1+flush-8:000:24:214
1123567992523,2cyclictest1397738-21kworker/u16:1+events_unbound22:09:164
1123578992422,1cyclictest1873226-21ssh00:38:367
1123576992422,2cyclictest1748996-21kworker/u16:3+flush-8:000:25:026
1123576992422,2cyclictest1533045-21kworker/u16:1+events_unbound22:42:496
1123576992422,2cyclictest1301509-21kworker/u16:6+flush-8:021:11:386
1123576992422,2cyclictest1301509-21kworker/u16:6+events_unbound20:44:056
1123576992421,2cyclictest1331933-21kworker/u16:0+events_unbound20:59:246
1123572992422,2cyclictest1664040-21kworker/u16:2+flush-8:023:44:435
1123572992422,2cyclictest1331933-21kworker/u16:0+events_unbound21:04:355
1123572992420,3cyclictest1301509-21kworker/u16:6+events_unbound20:49:365
1123567992422,2cyclictest1432098-21kworker/u16:0+events_unbound22:19:264
1123576992321,2cyclictest1205417-21kworker/u16:2+events_unbound20:16:206
1123576992321,2cyclictest1049610-21kworker/u16:0+events_unbound19:11:456
1123572992320,2cyclictest1785688-21kworker/u16:6+flush-8:000:09:265
1123578992219,2cyclictest1369940-21ssh21:09:447
1123578992218,2cyclictest1321935-21munin-run20:49:217
1123578992217,4cyclictest1397527-21latency_hist21:24:217
1123576992220,2cyclictest1224768-21kworker/u16:1+events_unbound20:50:276
1123572992220,2cyclictest1397738-21kworker/u16:1+events_unbound21:49:365
1123572992220,2cyclictest1146940-21kworker/u16:4+flush-8:019:24:225
1123567992220,2cyclictest1224768-21kworker/u16:1+flush-8:021:09:394
1123578992120,0cyclictest0-21swapper/723:44:387
1123578992120,0cyclictest0-21swapper/723:19:387
1123578992120,0cyclictest0-21swapper/723:19:387
1123572992119,2cyclictest1432098-21kworker/u16:0+flush-8:021:44:375
1123572992119,2cyclictest1373471-21kworker/u16:3+flush-8:022:14:165
1123567992119,2cyclictest1132338-21kworker/u16:3+flush-8:019:54:374
1123578992018,1cyclictest0-21swapper/723:50:307
1123578992016,3cyclictest1467570-21ntpq21:49:447
1123578992015,4cyclictest650-21systemd-journal21:34:217
1123578992014,5cyclictest1341378-21latency_hist20:59:227
112357899200,18cyclictest1445325-21ssh21:42:357
1123572992018,2cyclictest1432098-21kworker/u16:0+flush-8:021:59:165
1123572992018,2cyclictest1205417-21kworker/u16:2+events_unbound20:04:355
1123572992018,2cyclictest1049610-21kworker/u16:0+flush-8:020:14:455
1123572992017,2cyclictest1748996-21kworker/u16:3+flush-8:023:49:265
1123567992018,2cyclictest1373471-21kworker/u16:3+events_unbound22:09:514
1123567992018,2cyclictest1205417-21kworker/u16:2+flush-8:020:04:044
1123578991917,1cyclictest0-21swapper/722:39:417
1123578991915,3cyclictest1278-21snmpd19:25:367
1123578991915,2cyclictest1253812-21munin-run20:14:227
112357899190,17cyclictest1662865-21ssh23:09:447
1123572991917,2cyclictest1603824-21kworker/u16:2+flush-8:022:54:315
1123572991917,2cyclictest1533045-21kworker/u16:1+flush-8:023:24:355
1123572991917,2cyclictest1132338-21kworker/u16:3+flush-8:019:59:445
1123572991917,2cyclictest1132338-21kworker/u16:3+events_unbound19:52:555
1123567991917,2cyclictest1785688-21kworker/u16:6+events_unbound00:04:504
1123567991917,2cyclictest1785688-21kworker/u16:6+events_unbound00:04:154
1123567991917,2cyclictest1785688-21kworker/u16:6+events_unbound00:04:154
1123567991917,2cyclictest1678330-21kworker/u16:0+flush-8:023:47:074
1123567991917,2cyclictest1533045-21kworker/u16:1+flush-8:023:59:204
1123567991917,2cyclictest1533045-21kworker/u16:1+flush-8:023:40:314
1123567991917,2cyclictest1533045-21kworker/u16:1+events_unbound22:44:444
1123567991917,2cyclictest1132338-21kworker/u16:3+events_unbound19:14:164
1123567991917,2cyclictest1049610-21kworker/u16:0+events_unbound19:34:374
1123578991817,0cyclictest0-21swapper/723:59:447
1123578991817,0cyclictest0-21swapper/723:59:447
1123578991817,0cyclictest0-21swapper/721:24:447
1123578991816,1cyclictest0-21swapper/700:04:387
112357899180,17cyclictest0-21swapper/720:59:457
112357899180,17cyclictest0-21swapper/720:49:437
1123572991816,2cyclictest1748996-21kworker/u16:3+flush-8:023:54:395
1123572991816,2cyclictest1748996-21kworker/u16:3+flush-8:000:29:395
1123572991816,2cyclictest1678330-21kworker/u16:0+events_unbound23:31:035
1123572991816,2cyclictest1533045-21kworker/u16:1+events_unbound00:16:315
1123572991816,2cyclictest1146940-21kworker/u16:4+events_unbound19:44:155
1123567991816,2cyclictest1714796-21kworker/u16:3+events_unbound23:35:114
1123567991816,2cyclictest1664040-21kworker/u16:2+events_unbound23:29:354
1123567991816,2cyclictest1641595-21kworker/u16:3+events_unbound23:14:364
1123567991816,2cyclictest1432098-21kworker/u16:0+events_unbound21:49:344
1123567991816,2cyclictest1373471-21kworker/u16:3+flush-8:022:17:214
1123567991816,2cyclictest1373471-21kworker/u16:3+flush-8:021:54:524
1123567991816,2cyclictest1146940-21kworker/u16:4+events_unbound19:33:114
1123567991816,2cyclictest1049610-21kworker/u16:0+events_unbound19:44:394
1123567991815,2cyclictest1288885-21kworker/u16:2+events_unbound20:54:294
1123578991716,0cyclictest0-21swapper/722:14:417
112357899170,1cyclictest0-21swapper/720:39:477
1123572991715,2cyclictest1641595-21kworker/u16:3+flush-8:023:14:175
1123572991715,2cyclictest1590399-21kworker/u16:0+events_unbound22:40:265
1123572991715,2cyclictest1533045-21kworker/u16:1+flush-8:023:16:345
1123572991715,2cyclictest1533045-21kworker/u16:1+flush-8:023:00:235
1123572991715,2cyclictest1533045-21kworker/u16:1+events_unbound00:04:205
1123572991715,2cyclictest1533045-21kworker/u16:1+events_unbound00:04:205
1123572991715,2cyclictest1482898-21kworker/u16:2+events_unbound22:05:355
1123572991715,2cyclictest1331933-21kworker/u16:0+events_unbound20:55:475
1123572991715,2cyclictest1301509-21kworker/u16:6+flush-8:021:29:485
1123572991715,2cyclictest1301509-21kworker/u16:6+flush-8:021:14:555
1123572991715,2cyclictest1288885-21kworker/u16:2+flush-8:020:59:395
1123572991715,2cyclictest1274411-21kworker/u16:3+events_unbound20:30:035
1123572991715,2cyclictest1132338-21kworker/u16:3+flush-8:019:34:435
1123572991715,2cyclictest1049610-21kworker/u16:0+events_unbound19:19:225
1123572991714,2cyclictest1519764-21kworker/u16:4+events_unbound22:14:365
1123572991714,2cyclictest1132338-21kworker/u16:3+events_unbound19:24:395
1123567991715,2cyclictest1814336-21kworker/u16:0+events_unbound00:17:534
1123567991715,2cyclictest1748996-21kworker/u16:3+flush-8:000:35:144
1123567991715,2cyclictest1664040-21kworker/u16:2+flush-8:023:25:144
1123567991715,2cyclictest1373471-21kworker/u16:3+flush-8:021:47:194
1123567991715,2cyclictest1273592-21kworker/u16:0+events_unbound20:34:354
1123567991715,2cyclictest1224768-21kworker/u16:1+flush-8:020:39:444
1123578991615,0cyclictest0-21swapper/721:34:277
1123578991614,1cyclictest1616742-21ssh22:53:317
1123578991614,1cyclictest0-21swapper/722:09:407
1123576991614,2cyclictest1146940-21kworker/u16:4+events_unbound19:42:406
1123572991614,2cyclictest1775909-21kworker/u16:5+events_unbound00:26:045
1123572991614,2cyclictest1641595-21kworker/u16:3+flush-8:023:21:315
1123572991614,2cyclictest1641595-21kworker/u16:3+flush-8:023:21:315
1123572991614,2cyclictest1590492-21kworker/u16:3+events_unbound22:48:275
1123572991614,2cyclictest1568754-21kworker/u16:2+events_unbound22:37:485
1123572991614,2cyclictest1519764-21kworker/u16:4+flush-8:022:29:555
1123572991614,2cyclictest1432098-21kworker/u16:0+events_unbound22:19:475
1123572991614,2cyclictest1432098-21kworker/u16:0+events_unbound22:00:265
1123572991614,2cyclictest1146940-21kworker/u16:4+events_unbound19:44:535
1123572991614,2cyclictest1132338-21kworker/u16:3+events_unbound19:33:505
1123567991614,2cyclictest1785688-21kworker/u16:6+flush-8:000:09:314
1123567991614,2cyclictest1590492-21kworker/u16:3+events_unbound22:49:534
1123567991614,2cyclictest1590492-21kworker/u16:3+events_unbound22:43:514
1123567991614,2cyclictest1519764-21kworker/u16:4+flush-8:022:29:504
1123567991614,2cyclictest1301509-21kworker/u16:6+flush-8:020:44:394
1123567991614,2cyclictest1146940-21kworker/u16:4+events_unbound19:23:444
1123567991614,2cyclictest1132338-21kworker/u16:3+flush-8:019:26:314
1123567991614,2cyclictest1132338-21kworker/u16:3+events_unbound19:14:314
1123567991612,2cyclictest1664040-21kworker/u16:2+flush-8:023:20:074
1123567991612,2cyclictest1664040-21kworker/u16:2+flush-8:023:20:074
1123578991514,0cyclictest0-21swapper/723:02:317
1123578991510,4cyclictest1629382-21latency_hist22:59:217
1123572991513,2cyclictest1664040-21kworker/u16:2+events_unbound23:43:305
1123572991513,2cyclictest1533045-21kworker/u16:1+flush-8:000:24:165
1123572991513,2cyclictest1533045-21kworker/u16:1+events_unbound00:05:155
1123572991513,2cyclictest1373471-21kworker/u16:3+flush-8:021:34:555
1123572991513,2cyclictest1301509-21kworker/u16:6+flush-8:020:44:495
1123572991513,2cyclictest1205417-21kworker/u16:2+events_unbound20:24:175
1123567991513,2cyclictest1432098-21kworker/u16:0+events_unbound22:03:284
1123567991513,2cyclictest1397738-21kworker/u16:1+flush-8:021:40:394
1123567991513,2cyclictest1373471-21kworker/u16:3+events_unbound21:14:484
1123567991513,2cyclictest1288885-21kworker/u16:2+flush-8:021:23:154
112356799150,1cyclictest1845751-21kthreadcore00:24:434
1123578991413,0cyclictest0-21swapper/700:09:597
112357899140,1cyclictest0-21swapper/719:14:247
112357899140,13cyclictest1861106-21sh00:33:477
112357899140,13cyclictest1278-21snmpd23:39:337
112357899140,12cyclictest1604986-21latency_hist22:49:217
1123572991412,2cyclictest1872831-21kworker/u16:4+events_unbound00:38:155
1123572991412,2cyclictest1590492-21kworker/u16:3+flush-8:022:50:035
1123572991412,2cyclictest1397738-21kworker/u16:1+flush-8:021:41:005
1123572991412,2cyclictest1277158-21kthreadcore20:24:405
112357299140,14cyclictest0-21swapper/523:09:065
1123567991412,2cyclictest1641595-21kworker/u16:3+flush-8:023:09:544
1123567991412,2cyclictest1617328-21kworker/u16:4+events_unbound22:58:434
1123567991412,2cyclictest1617327-21kworker/u16:0+flush-8:023:00:074
1123567991412,2cyclictest1533045-21kworker/u16:1+events_unbound22:37:224
1123567991412,2cyclictest1373471-21kworker/u16:3+events_unbound22:26:224
1123567991412,2cyclictest1301509-21kworker/u16:6+flush-8:020:49:444
1123567991411,2cyclictest1224768-21kworker/u16:1+events_unbound20:19:284
112357899139,3cyclictest1278-21snmpd23:18:057
1123578991311,1cyclictest0-21swapper/720:14:397
1123578991310,2cyclictest1204277-21ntp_states19:44:477
1123578991310,2cyclictest0-21swapper/700:14:467
112357899130,3cyclictest1297316-21kthreadcore20:34:427
112357899130,12cyclictest1493655-21taskset22:01:487
112357899130,11cyclictest1833925-21ssh00:19:447
1123576991311,2cyclictest1094623-21kworker/u16:1+flush-8:019:14:556
1123572991312,1cyclictest0-21swapper/522:25:355
1123572991311,2cyclictest1714796-21kworker/u16:3+events_unbound23:36:045
1123572991311,2cyclictest1331933-21kworker/u16:0+flush-8:021:13:525
1123572991311,2cyclictest1301509-21kworker/u16:6+flush-8:021:19:445
1123572991311,2cyclictest1224768-21kworker/u16:1+events_unbound20:40:035
1123572991311,2cyclictest1049610-21kworker/u16:0+flush-8:019:54:575
1123567991311,2cyclictest1288885-21kworker/u16:2+events_unbound21:05:374
1123567991311,2cyclictest1132338-21kworker/u16:3+events_unbound19:49:464
1123567991311,2cyclictest1049610-21kworker/u16:0+flush-8:020:14:404
112357899128,3cyclictest1278-21snmpd23:30:457
112357899128,3cyclictest1278-21snmpd21:55:457
112357899128,3cyclictest1278-21snmpd21:08:487
112357899128,3cyclictest1278-21snmpd19:40:307
112357899128,3cyclictest1278-21snmpd19:34:247
1123578991212,0cyclictest0-21swapper/721:47:327
112357899121,10cyclictest1278-21snmpd19:34:067
1123578991210,1cyclictest0-21swapper/720:29:387
112357899120,3cyclictest1651535-21sh23:05:117
112357899120,11cyclictest1278-21snmpd19:52:527
112357899120,11cyclictest1156479-21sshd-session19:23:447
1123576991211,1cyclictest0-21swapper/619:36:226
1123576991210,2cyclictest1146940-21kworker/u16:4+events_unbound19:28:206
1123576991210,1cyclictest0-21swapper/620:44:406
1123572991210,2cyclictest1301509-21kworker/u16:6+events_unbound21:26:555
112356799129,2cyclictest1617327-21kworker/u16:0+flush-8:023:04:264
1123567991211,1cyclictest0-21swapper/400:30:424
1123567991210,2cyclictest1397738-21kworker/u16:1+flush-8:021:27:204
1123567991210,2cyclictest1176404-21kworker/u16:1+flush-8:019:39:464
112356799120,1cyclictest0-21swapper/421:32:144
112357899119,1cyclictest0-21swapper/722:34:377
112357899119,1cyclictest0-21swapper/722:24:447
112357899117,3cyclictest1278-21snmpd20:20:377
112357899117,3cyclictest1278-21snmpd20:00:497
112357299119,2cyclictest1288885-21kworker/u16:2+events_unbound20:35:025
112356799116,4cyclictest1245264-21cat20:09:364
1123567991110,1cyclictest0-21swapper/420:25:054
112357899104,5cyclictest1238619-21grep20:04:407
112357299108,2cyclictest1241693-21kworker/u16:4+flush-8:020:09:435
112356799108,2cyclictest1049610-21kworker/u16:0+events_unbound20:08:334
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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