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2026-08-23 - 19:40
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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 23, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20181312760,1sleep72018133-21tr11:52:347
137578425646,7sleep40-21swapper/407:03:514
137579625419,30sleep70-21swapper/707:04:027
1376337995250,2cyclictest2091173-21kworker/u16:3+events_unbound12:22:506
1376337995048,2cyclictest1929819-21kworker/u16:2+events_unbound12:32:376
1376337994947,2cyclictest1613711-21kworker/u16:1+flush-8:011:47:386
1376337994542,2cyclictest1613711-21kworker/u16:1+flush-8:011:42:576
1376332994541,4cyclictest1929819-21kworker/u16:2+flush-8:011:47:235
1376328994543,2cyclictest1809835-21kworker/u16:3+flush-8:010:42:574
1376328994543,2cyclictest1809835-21kworker/u16:3+flush-8:010:42:574
1376328994543,2cyclictest1613711-21kworker/u16:1+flush-8:010:47:584
1376328994543,2cyclictest1613711-21kworker/u16:1+events_unbound11:42:564
137603624535,7sleep50-21swapper/507:07:215
1376339994438,5cyclictest1603934-21latency_hist09:02:237
1376337994441,2cyclictest1574799-21kworker/u16:3+events_unbound09:37:466
1376337994342,1cyclictest1883160-21kworker/u16:3+events_unbound11:13:006
1376337994341,2cyclictest1883160-21kworker/u16:3+events_unbound11:22:456
1376337994341,2cyclictest1613711-21kworker/u16:1+events_unbound10:52:586
1376332994236,5cyclictest1574799-21kworker/u16:3+flush-8:008:57:235
1376337994139,2cyclictest1883160-21kworker/u16:3+flush-8:012:02:576
1376337994139,2cyclictest1883160-21kworker/u16:3+flush-8:012:02:576
1376337994139,2cyclictest1613711-21kworker/u16:1+flush-8:011:32:576
1376328994038,2cyclictest1613711-21kworker/u16:1+flush-8:011:07:584
1376328993937,2cyclictest1929819-21kworker/u16:2+events_unbound11:18:294
1376328993937,2cyclictest1613711-21kworker/u16:1+flush-8:011:32:554
1376328993735,2cyclictest1809835-21kworker/u16:3+events_unbound10:28:504
1376337993634,2cyclictest1613711-21kworker/u16:1+flush-8:012:17:396
1376328993634,2cyclictest2091173-21kworker/u16:3+events_unbound12:34:144
1376328993634,2cyclictest1929819-21kworker/u16:2+events_unbound12:21:464
1376328993634,2cyclictest1736202-21kworker/u16:0+events_unbound10:24:464
1376337993533,2cyclictest1857691-21kworker/u16:0+events_unbound11:03:006
1376337993533,2cyclictest1716558-21kworker/u16:2+events_unbound10:29:106
1376332993532,2cyclictest1883160-21kworker/u16:3+events_unbound11:12:415
1376328993533,2cyclictest1929819-21kworker/u16:2+events_unbound11:51:464
1376337993432,2cyclictest1857691-21kworker/u16:0+flush-8:010:47:376
1376337993432,2cyclictest1613711-21kworker/u16:1+events_unbound12:09:296
1376337993432,2cyclictest1613711-21kworker/u16:1+events_unbound09:46:146
1376332993432,2cyclictest1716558-21kworker/u16:2+events_unbound10:57:545
1376328993432,2cyclictest2051791-21kworker/u16:0+events_unbound12:10:104
1376328993432,2cyclictest1929819-21kworker/u16:2+events_unbound11:13:304
1376328993432,2cyclictest1857691-21kworker/u16:0+events_unbound11:00:144
1376328993432,2cyclictest1716558-21kworker/u16:2+events_unbound10:12:104
1376328993432,2cyclictest1716558-21kworker/u16:2+events_unbound09:49:144
1376328993432,2cyclictest1613711-21kworker/u16:1+events_unbound11:31:464
1376328993432,2cyclictest1613711-21kworker/u16:1+events_unbound11:24:054
1376328993432,2cyclictest1613711-21kworker/u16:1+events_unbound09:45:274
1376328993432,2cyclictest1574799-21kworker/u16:3+events_unbound10:01:294
1376328993431,2cyclictest1603609-21kworker/u16:0+events_unbound09:32:314
1376337993331,2cyclictest1929819-21kworker/u16:2+events_unbound11:41:056
1376337993331,2cyclictest1613711-21kworker/u16:1+events_unbound09:51:156
1376337993331,2cyclictest1603609-21kworker/u16:0+events_unbound09:19:306
1376328993331,2cyclictest1809835-21kworker/u16:3+events_unbound10:40:264
1376328993331,2cyclictest1716558-21kworker/u16:2+events_unbound10:19:264
1376328993331,2cyclictest1716558-21kworker/u16:2+events_unbound09:55:154
1376328993330,2cyclictest1883160-21kworker/u16:3+events_unbound12:02:254
1376328993330,2cyclictest1883160-21kworker/u16:3+events_unbound12:02:254
1376328993330,2cyclictest1613711-21kworker/u16:1+events_unbound10:32:254
1376337993230,2cyclictest1857691-21kworker/u16:0+flush-8:011:00:296
1376337993230,2cyclictest1613711-21kworker/u16:1+events_unbound11:29:456
1376337993230,2cyclictest1613711-21kworker/u16:1+events_unbound11:17:576
1376328993230,2cyclictest1857691-21kworker/u16:0+events_unbound11:03:304
1376328993230,2cyclictest1613711-21kworker/u16:1+events_unbound11:54:224
1376328993230,2cyclictest1613711-21kworker/u16:1+events_unbound11:41:464
1376328993230,2cyclictest1545978-21kworker/u16:2+flush-8:009:23:544
1376328993230,2cyclictest1545978-21kworker/u16:2+flush-8:009:23:544
1376328993230,2cyclictest1545978-21kworker/u16:2+flush-8:009:10:454
1376328993229,2cyclictest1603609-21kworker/u16:0+events_unbound09:17:304
1376337993129,2cyclictest1883160-21kworker/u16:3+events_unbound11:59:256
1376337993129,2cyclictest1409366-21kworker/u16:1+events_unbound08:22:436
1376332993129,2cyclictest1399480-21kworker/u16:4+flush-8:007:16:255
1376332993129,2cyclictest1399480-21kworker/u16:4+flush-8:007:16:255
1376328993129,2cyclictest1883160-21kworker/u16:3+events_unbound11:58:094
1376328993129,2cyclictest1736202-21kworker/u16:0+flush-8:010:03:384
1376337993028,2cyclictest1613711-21kworker/u16:1+events_unbound09:08:456
1376337993028,2cyclictest1399480-21kworker/u16:4+events_unbound08:32:226
1376332993028,2cyclictest1883160-21kworker/u16:3+flush-8:011:57:385
1376328993028,2cyclictest1929819-21kworker/u16:2+events_unbound12:28:264
1376328993028,2cyclictest1929819-21kworker/u16:2+events_unbound12:15:294
1376328993028,2cyclictest1716558-21kworker/u16:2+flush-8:010:52:534
1376328993027,2cyclictest1545978-21kworker/u16:2+events_unbound09:12:264
1376337992927,2cyclictest1809835-21kworker/u16:3+events_unbound10:36:026
1376337992927,2cyclictest1716558-21kworker/u16:2+events_unbound10:10:546
1376337992927,2cyclictest1613711-21kworker/u16:1+flush-8:011:52:436
1376337992927,2cyclictest1613711-21kworker/u16:1+events_unbound10:25:156
1376337992927,2cyclictest1603609-21kworker/u16:0+events_unbound09:32:356
1376337992927,2cyclictest1574799-21kworker/u16:3+events_unbound09:31:036
1376332992927,2cyclictest1545978-21kworker/u16:2+events_unbound09:12:475
1376328992927,2cyclictest1716558-21kworker/u16:2+events_unbound10:15:154
1376328992927,2cyclictest1545978-21kworker/u16:2+events_unbound09:27:234
1376339992827,0cyclictest0-21swapper/708:22:367
1376337992826,2cyclictest1929819-21kworker/u16:2+events_unbound12:27:456
1376337992826,2cyclictest1929819-21kworker/u16:2+events_unbound12:13:456
1376337992826,2cyclictest1716558-21kworker/u16:2+events_unbound10:17:266
1376337992826,2cyclictest1716558-21kworker/u16:2+events_unbound09:59:226
1376337992826,2cyclictest1613711-21kworker/u16:1+events_unbound10:45:116
1376337992826,2cyclictest1613711-21kworker/u16:1+events_unbound10:45:116
1376337992826,2cyclictest1613711-21kworker/u16:1+events_unbound09:57:176
1376332992826,2cyclictest2051791-21kworker/u16:0+flush-8:012:07:395
1376332992826,2cyclictest1613711-21kworker/u16:1+events_unbound11:22:495
1376332992826,2cyclictest1574799-21kworker/u16:3+events_unbound09:21:545
1376332992826,2cyclictest1409366-21kworker/u16:1+flush-8:008:42:175
1376328992826,2cyclictest2091173-21kworker/u16:3+events_unbound12:27:104
1376328992825,2cyclictest1574799-21kworker/u16:3+flush-8:009:37:234
20785462270,1chrt2078547-21sh12:17:187
1376337992624,2cyclictest1399480-21kworker/u16:4+flush-8:007:17:186
1376337992624,2cyclictest1399480-21kworker/u16:4+flush-8:007:17:186
1376337992623,2cyclictest1716558-21kworker/u16:2+events_unbound10:37:266
1376328992624,2cyclictest1409366-21kworker/u16:1+events_unbound07:35:554
137591222614,8sleep60-21swapper/607:05:376
137633999250,23cyclictest1858598-21latency_hist10:47:227
137633999250,23cyclictest1858598-21latency_hist10:47:227
1376337992523,2cyclictest1613711-21kworker/u16:1+events_unbound10:14:386
1376337992523,2cyclictest1545978-21kworker/u16:2+events_unbound09:24:386
1376337992523,2cyclictest1545978-21kworker/u16:2+events_unbound09:24:386
1376337992523,2cyclictest1409366-21kworker/u16:1+events_unbound08:16:346
1376332992523,2cyclictest1613711-21kworker/u16:1+events_unbound11:32:495
1376332992523,2cyclictest1613711-21kworker/u16:1+events_unbound10:52:415
1376332992523,2cyclictest1613711-21kworker/u16:1+events_unbound09:34:585
1376328992522,2cyclictest1399480-21kworker/u16:4+flush-8:008:27:254
19141682240,1chrt1914169-21kthreadcore11:07:467
137633999240,22cyclictest2127341-21latency_hist12:37:227
1376337992422,2cyclictest1409366-21kworker/u16:1+events_unbound07:59:346
1376337992422,2cyclictest1409366-21kworker/u16:1+events_unbound07:59:346
1376337992422,2cyclictest1409366-21kworker/u16:1+events_unbound07:30:336
1376332992422,2cyclictest2091173-21kworker/u16:3+events_unbound12:28:015
1376332992422,2cyclictest1929819-21kworker/u16:2+events_unbound11:52:375
1376332992422,2cyclictest1574799-21kworker/u16:3+flush-8:009:37:535
1376328992422,2cyclictest1487409-21kworker/u16:2+events_unbound08:03:344
17582022230,1chrt1758200-21ssh10:02:547
1376337992321,2cyclictest1603609-21kworker/u16:0+events_unbound09:14:156
1376332992321,2cyclictest1883160-21kworker/u16:3+events_unbound12:02:505
1376332992321,2cyclictest1883160-21kworker/u16:3+events_unbound12:02:505
1376332992321,2cyclictest1613711-21kworker/u16:1+events_unbound11:02:565
1376328992321,2cyclictest1545978-21kworker/u16:2+events_unbound08:32:454
1376328992321,2cyclictest1409366-21kworker/u16:1+events_unbound07:49:344
1376337992220,2cyclictest1467572-21kworker/u16:0+events_unbound08:02:246
1376337992220,2cyclictest1399480-21kworker/u16:4+events_unbound07:22:536
1376339992116,4cyclictest648-21systemd-journal09:42:177
1376337992119,2cyclictest1613711-21kworker/u16:1+events_unbound10:05:416
1376328992119,2cyclictest1467572-21kworker/u16:0+flush-8:007:52:384
1376339992019,0cyclictest0-21swapper/709:27:347
137633999200,18cyclictest648-21systemd-journal07:21:357
1376337992018,2cyclictest1857691-21kworker/u16:0+events_unbound11:11:096
1376337992018,2cyclictest1399480-21kworker/u16:4+events_unbound08:42:396
1376332992018,2cyclictest1716558-21kworker/u16:2+events_unbound10:18:505
1376332992018,2cyclictest1716558-21kworker/u16:2+events_unbound10:07:465
1376332992018,2cyclictest1613711-21kworker/u16:1+flush-8:011:07:405
1376328992018,2cyclictest1467572-21kworker/u16:0+events_unbound08:11:354
1376328992018,2cyclictest1376098-21kworker/u16:2+events_unbound07:26:344
1376339991917,1cyclictest1808168-21ssh10:24:387
1376337991917,2cyclictest1545978-21kworker/u16:2+events_unbound08:53:346
1376332991917,2cyclictest1809835-21kworker/u16:3+flush-8:010:42:175
1376332991917,2cyclictest1603609-21kworker/u16:0+flush-8:009:02:415
1376332991914,4cyclictest1439807-21iostat_ios07:37:375
1376328991917,2cyclictest1545978-21kworker/u16:2+flush-8:008:52:384
1376328991917,2cyclictest1366290-21kworker/u16:3+flush-8:007:08:354
1376328991916,2cyclictest1409366-21kworker/u16:1+events_unbound08:15:354
1376339991817,0cyclictest0-21swapper/712:07:067
1376339991817,0cyclictest0-21swapper/712:07:067
1376339991817,0cyclictest0-21swapper/709:21:237
1376339991817,0cyclictest0-21swapper/709:11:027
1376339991814,3cyclictest1302-21snmpd08:46:557
1376337991816,2cyclictest1409366-21kworker/u16:1+events_unbound07:44:496
1376337991816,2cyclictest1386293-21kworker/u16:0+events_unbound07:19:346
1376337991816,2cyclictest1366290-21kworker/u16:3+flush-8:007:07:496
1376332991816,2cyclictest1467572-21kworker/u16:0+events_unbound08:12:385
1376339991716,0cyclictest0-21swapper/711:00:347
1376339991715,1cyclictest1613670-21diskmemload11:03:437
1376339991715,1cyclictest0-21swapper/710:31:337
1376339991714,2cyclictest1302-21snmpd08:54:407
1376337991715,2cyclictest1399480-21kworker/u16:4+events_unbound07:53:346
1376332991715,2cyclictest1809835-21kworker/u16:3+flush-8:010:43:295
1376332991715,2cyclictest1809835-21kworker/u16:3+flush-8:010:43:295
1376332991715,2cyclictest1613711-21kworker/u16:1+events_unbound12:13:005
1376332991715,2cyclictest1376098-21kworker/u16:2+flush-8:007:47:495
1376328991715,2cyclictest1376098-21kworker/u16:2+events_unbound07:15:004
1376328991715,2cyclictest1376098-21kworker/u16:2+events_unbound07:15:004
1376328991714,2cyclictest1399480-21kworker/u16:4+flush-8:008:47:334
1376339991615,0cyclictest0-21swapper/711:52:217
1376339991615,0cyclictest0-21swapper/711:24:307
1376339991615,0cyclictest0-21swapper/710:51:507
1376339991615,0cyclictest0-21swapper/710:14:307
1376339991615,0cyclictest0-21swapper/710:00:017
1376339991615,0cyclictest0-21swapper/707:52:517
1376339991614,1cyclictest0-21swapper/710:54:547
1376339991613,2cyclictest1302-21snmpd10:34:127
1376339991613,2cyclictest0-21swapper/707:16:287
1376339991613,2cyclictest0-21swapper/707:16:287
1376339991612,3cyclictest1302-21snmpd09:49:087
1376339991612,3cyclictest1302-21snmpd07:25:117
1376337991614,2cyclictest1409366-21kworker/u16:1+events_unbound08:36:556
1376337991614,1cyclictest86-21ksoftirqd/607:47:406
1376332991614,2cyclictest1603609-21kworker/u16:0+events_unbound09:24:585
1376332991614,2cyclictest1603609-21kworker/u16:0+events_unbound09:24:585
1376332991614,2cyclictest1409366-21kworker/u16:1+flush-8:008:22:495
1376332991614,2cyclictest1409366-21kworker/u16:1+flush-8:007:22:505
1376332991613,2cyclictest1545978-21kworker/u16:2+events_unbound08:32:375
1376332991612,3cyclictest1517067-21cpuspeed_turbos08:17:355
1376328991614,2cyclictest1409366-21kworker/u16:1+events_unbound08:22:324
1376328991613,2cyclictest1457145-21ntp_states07:42:494
20162822150,1sleep5741rcuc/511:50:075
1376339991514,0cyclictest0-21swapper/711:41:547
1376339991514,0cyclictest0-21swapper/711:19:417
1376339991514,0cyclictest0-21swapper/709:36:477
1376339991513,1cyclictest0-21swapper/711:28:177
1376339991513,1cyclictest0-21swapper/710:11:037
137633999150,14cyclictest1302-21snmpd09:05:047
1376337991513,2cyclictest1399480-21kworker/u16:4+events_unbound08:51:546
1376332991513,2cyclictest1716558-21kworker/u16:2+events_unbound10:51:545
1376332991513,2cyclictest1366290-21kworker/u16:3+events_unbound07:07:455
1376332991512,2cyclictest1613711-21kworker/u16:1+flush-8:009:07:415
1376332991512,2cyclictest1574799-21kworker/u16:3+events_unbound08:57:425
137633299150,15cyclictest0-21swapper/511:19:115
137633999149,4cyclictest1846390-21latency_hist10:42:227
137633999148,5cyclictest1467800-21latency_hist07:52:237
1376339991413,0cyclictest0-21swapper/712:20:267
1376339991413,0cyclictest0-21swapper/709:44:077
1376339991412,1cyclictest0-21swapper/707:57:437
1376339991412,1cyclictest0-21swapper/707:57:437
1376339991411,2cyclictest0-21swapper/708:47:347
1376337991412,2cyclictest1545978-21kworker/u16:2+events_unbound08:37:386
1376337991412,2cyclictest1399480-21kworker/u16:4+flush-8:007:32:506
1376332991413,1cyclictest0-21swapper/510:23:415
1376332991413,1cyclictest0-21swapper/509:53:155
1376332991412,2cyclictest1613711-21kworker/u16:1+events_unbound10:32:535
1376332991412,2cyclictest1574799-21kworker/u16:3+flush-8:009:28:015
1376332991412,2cyclictest1467572-21kworker/u16:0+events_unbound08:02:475
1376332991411,2cyclictest1613711-21kworker/u16:1+events_unbound09:47:265
1376332991410,3cyclictest1399480-21kworker/u16:4+flush-8:008:27:495
137633299140,14cyclictest0-21swapper/510:30:565
137633299140,14cyclictest0-21swapper/509:46:385
1376328991412,2cyclictest1409366-21kworker/u16:1+flush-8:008:42:514
1376328991412,2cyclictest1409366-21kworker/u16:1+flush-8:007:29:334
1376328991412,2cyclictest1399480-21kworker/u16:4+flush-8:007:17:394
1376328991411,2cyclictest1399480-21kworker/u16:4+flush-8:008:17:334
137633999139,3cyclictest1302-21snmpd11:42:537
137633999139,3cyclictest1302-21snmpd07:29:207
1376339991313,0cyclictest0-21swapper/712:31:327
1376339991312,0cyclictest0-21swapper/709:22:407
1376339991312,0cyclictest0-21swapper/709:22:407
1376339991312,0cyclictest0-21swapper/708:34:507
1376339991311,1cyclictest1613670-21diskmemload09:52:467
1376339991311,1cyclictest0-21swapper/708:17:487
1376339991311,1cyclictest0-21swapper/707:37:277
1376332991312,1cyclictest0-21swapper/510:14:235
1376332991311,2cyclictest1613711-21kworker/u16:1+events_unbound11:27:465
1376332991311,2cyclictest1409366-21kworker/u16:1+flush-8:007:42:515
137633299130,13cyclictest0-21swapper/512:21:565
137633999129,2cyclictest1302-21snmpd07:34:087
137633999128,3cyclictest1302-21snmpd11:17:057
137633999128,3cyclictest1302-21snmpd10:18:037
137633999128,3cyclictest1302-21snmpd08:17:217
137633999128,3cyclictest1302-21snmpd08:09:277
137633999126,5cyclictest6124-21gmain08:37:417
1376339991212,0cyclictest0-21swapper/712:08:307
1376339991211,0cyclictest0-21swapper/708:27:527
1376339991211,0cyclictest0-21swapper/707:42:457
1376339991210,1cyclictest1613670-21diskmemload09:12:427
1376337991211,1cyclictest0-21swapper/608:11:386
137633799120,1cyclictest0-21swapper/608:17:286
137633299127,4cyclictest1498156-21cat08:07:385
1376332991211,1cyclictest0-21swapper/512:33:465
1376332991211,1cyclictest0-21swapper/507:17:585
1376328991210,2cyclictest1574799-21kworker/u16:3+flush-8:009:02:484
1376328991210,2cyclictest1545978-21kworker/u16:2+events_unbound08:41:024
1376328991210,2cyclictest1399480-21kworker/u16:4+events_unbound07:57:394
1376328991210,2cyclictest1399480-21kworker/u16:4+events_unbound07:57:394
137633999119,1cyclictest0-21swapper/708:02:447
137633999118,2cyclictest0-21swapper/712:22:477
1376339991111,0cyclictest0-21swapper/712:00:327
1376339991110,0cyclictest0-21swapper/707:07:417
137633799119,2cyclictest1574799-21kworker/u16:3+events_unbound08:57:466
1376337991110,1cyclictest0-21swapper/609:05:436
137633299119,2cyclictest2091173-21kworker/u16:3+events_unbound12:23:415
137633299117,3cyclictest1399480-21kworker/u16:4+flush-8:008:47:495
1376332991110,1cyclictest0-21swapper/510:03:025
1376332991110,1cyclictest0-21swapper/510:00:595
1376332991110,1cyclictest0-21swapper/508:01:005
1376332991110,1cyclictest0-21swapper/508:01:005
1376332991110,1cyclictest0-21swapper/507:36:535
137633999109,1cyclictest0-21swapper/711:35:317
137633799108,1cyclictest0-21swapper/607:37:426
137633299108,2cyclictest1409366-21kworker/u16:1+events_unbound08:42:535
137632899108,2cyclictest1399480-21kworker/u16:4+events_unbound07:41:144
13763329998,1cyclictest0-21swapper/511:41:445
13763289997,2cyclictest1574799-21kworker/u16:3+flush-8:008:57:474
13763329986,1cyclictest0-21swapper/507:52:385
13763329975,1cyclictest0-21swapper/507:27:425
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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