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2026-05-05 - 15:08
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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 Tue May 05, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1456471995654,2cyclictest1781090-21kworker/u16:1+events_unbound10:14:006
1456467995654,2cyclictest1839405-21kworker/u16:2+events_unbound10:29:045
145595825545,7sleep40-21swapper/407:05:494
17068472540,0sleep71706850-21cut09:13:567
1456471995452,2cyclictest1613264-21kworker/u16:3+events_unbound08:59:076
1456471995451,2cyclictest1479493-21kworker/u16:4+events_unbound07:38:536
1456467995451,2cyclictest1768290-21kworker/u16:0+flush-8:011:13:525
1456467995351,2cyclictest1768290-21kworker/u16:0+events_unbound11:59:085
1456467995250,2cyclictest1768290-21kworker/u16:0+events_unbound10:19:085
1456467995249,2cyclictest1986607-21kworker/u16:1+flush-8:012:13:535
1456467995249,2cyclictest1565991-21kworker/u16:4+flush-8:008:13:535
145593225141,7sleep50-21swapper/507:05:265
1456471995047,2cyclictest1768290-21kworker/u16:0+events_unbound11:13:506
1456467995047,2cyclictest2034686-21kworker/u16:3+events_unbound12:09:085
1456467994845,2cyclictest1662357-21kworker/u16:1+flush-8:009:24:065
1456467994845,2cyclictest1613264-21kworker/u16:3+flush-8:008:58:525
1456471994644,2cyclictest1768290-21kworker/u16:0+flush-8:011:29:036
1456471994644,2cyclictest1768290-21kworker/u16:0+events_unbound10:39:106
1456471994644,2cyclictest1768290-21kworker/u16:0+events_unbound10:39:106
1456467994644,2cyclictest2034686-21kworker/u16:3+flush-8:012:34:055
1456471994543,2cyclictest1768290-21kworker/u16:0+events_unbound11:54:116
1456467994543,2cyclictest1662357-21kworker/u16:1+events_unbound09:13:525
1456471994442,2cyclictest1728495-21kworker/u16:4+flush-8:009:34:086
1456471994442,2cyclictest1585079-21kworker/u16:1+events_unbound08:29:076
1456471994442,2cyclictest1522023-21kworker/u16:0+events_unbound07:54:086
1456467994441,2cyclictest1585079-21kworker/u16:1+flush-8:008:38:535
1456467994441,2cyclictest1454527-21kworker/u16:1+events_unbound07:49:075
1456467994441,2cyclictest1454527-21kworker/u16:1+events_unbound07:49:075
1456467994441,2cyclictest1193014-21kworker/u16:3+events_unbound07:28:535
1456472994341,1cyclictest1848512-21ssh10:24:097
1456472994340,2cyclictest1564951-21ntpq07:59:057
1456472994339,2cyclictest2105955-21ssh12:09:067
1456471994341,2cyclictest1839405-21kworker/u16:2+events_unbound11:04:116
1456467994341,2cyclictest2109265-21kworker/u16:4+flush-8:012:19:085
1456467994339,4cyclictest1768290-21kworker/u16:0+flush-8:011:03:385
1456472994239,2cyclictest1594218-21smart_sda08:14:067
145647299420,40cyclictest2170568-21latency_hist12:38:377
1456467994240,2cyclictest1986607-21kworker/u16:1+events_unbound11:33:575
1456471994138,2cyclictest1715090-21kworker/u16:2+events_unbound09:18:536
1456467994139,2cyclictest1986607-21kworker/u16:1+events_unbound11:39:045
14473582413,31sleep70-21swapper/707:03:527
1456472994039,0cyclictest0-21swapper/707:44:067
1456471994038,2cyclictest1768290-21kworker/u16:0+flush-8:010:44:066
1456467994038,2cyclictest1537187-21kworker/u16:2+events_unbound07:59:385
1456467994038,2cyclictest1479493-21kworker/u16:4+events_unbound07:34:065
1456472993938,0cyclictest0-21swapper/710:45:577
1456471993937,2cyclictest2034686-21kworker/u16:3+events_unbound12:35:296
1456471993937,2cyclictest2034686-21kworker/u16:3+events_unbound12:24:036
1456471993937,2cyclictest1986607-21kworker/u16:1+events_unbound12:17:446
1456471993937,2cyclictest1839405-21kworker/u16:2+events_unbound10:35:416
1456471993937,2cyclictest1728494-21kworker/u16:3+events_unbound09:48:376
1456471993937,2cyclictest1585079-21kworker/u16:1+events_unbound08:13:586
1456471993937,2cyclictest1522023-21kworker/u16:0+flush-8:008:04:066
1456471993936,2cyclictest1768290-21kworker/u16:0+events_unbound10:04:116
1456467993937,2cyclictest2034686-21kworker/u16:3+events_unbound12:26:125
1456467993936,2cyclictest1768290-21kworker/u16:0+events_unbound11:54:135
1456467993936,2cyclictest1740502-21kworker/u16:5+events_unbound09:57:375
1456472993837,0cyclictest0-21swapper/710:29:497
1456471993836,2cyclictest2034686-21kworker/u16:3+events_unbound12:08:136
1456471993836,2cyclictest1768290-21kworker/u16:0+events_unbound10:21:216
1456471993836,2cyclictest1662357-21kworker/u16:1+events_unbound09:31:336
1456467993836,2cyclictest1595267-21kworker/u16:2+events_unbound08:19:015
1456467993835,2cyclictest1728494-21kworker/u16:3+events_unbound09:38:535
1456472993736,0cyclictest0-21swapper/711:47:137
1456472993734,2cyclictest1946599-21ntp_states11:04:077
1456471993735,2cyclictest2011479-21kworker/u16:2+events_unbound11:38:216
1456471993735,2cyclictest1740502-21kworker/u16:5+events_unbound09:52:576
1456467993735,2cyclictest1839405-21kworker/u16:2+events_unbound10:49:065
1456467993734,2cyclictest1652649-21kworker/u16:0+events_unbound09:03:525
1456467993734,2cyclictest1522023-21kworker/u16:0+flush-8:008:09:045
1456471993634,2cyclictest1986607-21kworker/u16:1+events_unbound12:09:496
1456471993634,2cyclictest1905773-21kworker/u16:3+events_unbound10:57:446
1456471993634,2cyclictest1768290-21kworker/u16:0+flush-8:010:25:446
1456471993634,2cyclictest1768290-21kworker/u16:0+events_unbound11:49:286
1456471993634,2cyclictest1662357-21kworker/u16:1+events_unbound09:09:576
1456471993633,2cyclictest1522023-21kworker/u16:0+events_unbound08:23:526
1456467993634,2cyclictest1768290-21kworker/u16:0+events_unbound12:30:535
1456467993633,2cyclictest1768290-21kworker/u16:0+events_unbound11:28:455
1456467993633,2cyclictest1585079-21kworker/u16:1+flush-8:008:44:025
1456471993533,2cyclictest1839405-21kworker/u16:2+events_unbound10:53:016
1456471993533,2cyclictest1740502-21kworker/u16:5+events_unbound09:41:046
1456471993533,2cyclictest1537187-21kworker/u16:2+flush-8:007:59:026
1456471993533,2cyclictest1193014-21kworker/u16:3+flush-8:007:33:576
1456471993532,2cyclictest1986607-21kworker/u16:1+events_unbound11:43:406
1456471993532,2cyclictest1585079-21kworker/u16:1+flush-8:008:38:546
1456467993534,1cyclictest1662357-21kworker/u16:1+events_unbound09:20:385
1456467993533,2cyclictest1781090-21kworker/u16:1+flush-8:010:14:085
1456467993533,2cyclictest1781090-21kworker/u16:1+events_unbound10:38:165
1456467993533,2cyclictest1728494-21kworker/u16:3+events_unbound09:34:115
1456467993532,2cyclictest1740502-21kworker/u16:5+flush-8:010:08:535
1456472993433,0cyclictest0-21swapper/711:34:447
1456472993433,0cyclictest0-21swapper/709:32:027
1456472993433,0cyclictest0-21swapper/708:08:417
1456471993432,2cyclictest2034686-21kworker/u16:3+events_unbound12:19:106
1456471993432,2cyclictest2011479-21kworker/u16:2+events_unbound11:41:336
1456471993432,2cyclictest1768290-21kworker/u16:0+events_unbound12:32:256
1456471993432,2cyclictest1740502-21kworker/u16:5+events_unbound10:11:336
1456471993432,2cyclictest1740502-21kworker/u16:5+events_unbound10:00:136
1456471993432,2cyclictest1740502-21kworker/u16:5+events_unbound10:00:136
1456471993432,2cyclictest1652649-21kworker/u16:0+events_unbound09:15:206
1456471993432,2cyclictest1479493-21kworker/u16:4+events_unbound07:30:216
1456467993432,2cyclictest1768290-21kworker/u16:0+flush-8:010:04:045
1456467993432,2cyclictest1585079-21kworker/u16:1+events_unbound08:28:555
1456467993432,2cyclictest1522023-21kworker/u16:0+flush-8:008:24:045
1456467993431,2cyclictest1768290-21kworker/u16:0+events_unbound11:23:555
1456472993332,0cyclictest0-21swapper/710:21:587
1456472993331,1cyclictest1691304-21diskmemload12:03:387
1456472993327,5cyclictest2011056-21latency_hist11:33:377
1456471993331,2cyclictest1905773-21kworker/u16:3+events_unbound11:27:566
1456471993331,2cyclictest1839405-21kworker/u16:2+events_unbound11:00:526
1456471993331,2cyclictest1642153-21kworker/u16:2+events_unbound08:43:586
1456467993331,2cyclictest1986607-21kworker/u16:1+events_unbound11:48:295
1456467993331,2cyclictest1662357-21kworker/u16:1+events_unbound09:30:015
1456472993231,0cyclictest0-21swapper/712:15:047
1456471993230,2cyclictest1740502-21kworker/u16:5+events_unbound09:54:456
1456471993230,2cyclictest1613264-21kworker/u16:3+flush-8:008:54:036
1456467993231,1cyclictest1986607-21kworker/u16:1+events_unbound12:04:525
1456467993230,2cyclictest1905773-21kworker/u16:3+events_unbound10:57:055
1456467993230,2cyclictest1781090-21kworker/u16:1+events_unbound09:50:385
1456467993230,2cyclictest1768290-21kworker/u16:0+events_unbound11:04:055
1456467993230,2cyclictest1662357-21kworker/u16:1+flush-8:009:12:015
1456467993230,2cyclictest1454527-21kworker/u16:1+flush-8:007:14:055
1456467993229,2cyclictest1781090-21kworker/u16:1+events_unbound10:02:415
1456467993229,2cyclictest1781090-21kworker/u16:1+events_unbound10:02:415
1456472993130,0cyclictest0-21swapper/710:40:347
1456472993130,0cyclictest0-21swapper/710:40:347
1456472993128,2cyclictest2061343-21grep11:53:537
1456471993129,2cyclictest1839405-21kworker/u16:2+flush-8:011:13:316
1456471993129,2cyclictest1662357-21kworker/u16:1+events_unbound09:24:066
1456471993129,2cyclictest1479493-21kworker/u16:4+events_unbound07:24:066
1456467993129,2cyclictest1839405-21kworker/u16:2+flush-8:010:44:105
1456467993129,2cyclictest1728494-21kworker/u16:3+flush-8:009:46:095
20319662300,0chrt2031965-21kthreadcore11:39:027
1456472993029,0cyclictest0-21swapper/708:07:207
1456472993027,2cyclictest1700116-21memory09:09:037
1456471993028,2cyclictest1613264-21kworker/u16:3+events_unbound08:33:566
1456471993028,2cyclictest1595267-21kworker/u16:2+flush-8:008:19:076
1456467993028,2cyclictest1768290-21kworker/u16:0+events_unbound11:22:375
1456467993028,2cyclictest1768290-21kworker/u16:0+events_unbound11:22:375
1456467993028,2cyclictest1740502-21kworker/u16:5+events_unbound10:24:375
1456467993028,2cyclictest1522023-21kworker/u16:0+flush-8:007:54:045
17836012290,1chrt1783599-21ssh09:53:157
1456472992928,0cyclictest0-21swapper/712:22:517
1456472992928,0cyclictest0-21swapper/711:22:007
1456472992928,0cyclictest0-21swapper/711:22:007
1456472992928,0cyclictest0-21swapper/710:17:427
1456472992928,0cyclictest0-21swapper/710:05:057
1456472992927,1cyclictest0-21swapper/709:23:547
1456472992924,4cyclictest1671986-21latency_hist08:58:387
1456471992927,2cyclictest2034686-21kworker/u16:3+flush-8:011:58:546
1456471992926,2cyclictest733724-21kworker/u16:0+flush-8:007:18:566
19320352280,1chrt0-21swapper/410:59:004
19128072280,1chrt1912809-21ssh10:53:187
18147692280,1chrt1814770-21sh10:13:357
17548982280,1chrt0-21swapper/409:33:574
1456472992827,0cyclictest0-21swapper/708:27:537
1456472992827,0cyclictest0-21swapper/707:57:217
1456472992826,1cyclictest0-21swapper/707:49:057
1456472992826,1cyclictest0-21swapper/707:49:057
1456467992826,2cyclictest1768290-21kworker/u16:0+events_unbound11:52:045
145587622818,7sleep60-21swapper/607:04:396
1456472992726,0cyclictest0-21swapper/711:00:427
1456472992726,0cyclictest0-21swapper/708:53:257
1456472992726,0cyclictest0-21swapper/707:32:217
1456471992725,2cyclictest1642153-21kworker/u16:2+events_unbound08:48:516
1456471992725,2cyclictest1522023-21kworker/u16:0+flush-8:008:09:336
1456467992725,2cyclictest1781090-21kworker/u16:1+events_unbound10:39:085
1456467992725,2cyclictest1781090-21kworker/u16:1+events_unbound10:39:085
1456467992725,2cyclictest1768290-21kworker/u16:0+flush-8:011:11:085
1456472992625,0cyclictest0-21swapper/711:51:547
1456472992625,0cyclictest0-21swapper/711:15:437
1456472992625,0cyclictest0-21swapper/711:11:397
1456472992625,0cyclictest0-21swapper/709:45:147
1456472992625,0cyclictest0-21swapper/709:41:147
1456472992624,1cyclictest1792812-21ssh09:54:057
1456472992623,2cyclictest1923806-21ssh10:56:077
1456471992624,2cyclictest1768290-21kworker/u16:0+flush-8:010:31:536
1456467992624,2cyclictest1613264-21kworker/u16:3+events_unbound08:54:045
1456467992624,2cyclictest1522023-21kworker/u16:0+events_unbound07:38:575
1456472992524,0cyclictest0-21swapper/712:28:417
1456472992523,1cyclictest1681759-21sed09:03:387
1456472992523,1cyclictest1603587-21strings08:19:027
1456471992523,2cyclictest1839405-21kworker/u16:2+events_unbound11:20:346
1456471992523,2cyclictest1839405-21kworker/u16:2+events_unbound11:20:346
1456471992523,2cyclictest1454527-21kworker/u16:1+events_unbound07:50:046
1456471992523,2cyclictest1454527-21kworker/u16:1+events_unbound07:50:046
1456471992523,2cyclictest1193014-21kworker/u16:3+events_unbound07:46:056
1456467992522,2cyclictest1585079-21kworker/u16:1+flush-8:008:34:035
1456472992423,0cyclictest0-21swapper/709:08:287
1456472992422,1cyclictest1997996-21rm11:27:117
1456472992421,2cyclictest1725708-21ssh09:19:327
1456471992422,2cyclictest1454527-21kworker/u16:1+events_unbound07:11:066
1456472992322,0cyclictest0-21swapper/712:23:457
1456472992322,0cyclictest0-21swapper/708:30:097
1456467992321,2cyclictest1522023-21kworker/u16:0+flush-8:008:03:555
1456472992221,0cyclictest0-21swapper/712:03:217
1456472992120,0cyclictest0-21swapper/707:41:247
1456472992120,0cyclictest0-21swapper/707:26:217
1456472992120,0cyclictest0-21swapper/707:18:367
1456472992118,2cyclictest1650132-21grep08:43:597
1456471992119,2cyclictest733724-21kworker/u16:0+events_unbound07:17:336
1456472992019,0cyclictest0-21swapper/709:36:207
1456471992018,2cyclictest1652649-21kworker/u16:0+events_unbound09:05:496
145646299200,1cyclictest0-21swapper/410:15:484
1456472991918,0cyclictest0-21swapper/708:42:147
1456472991918,0cyclictest0-21swapper/708:37:537
1456472991915,3cyclictest1234-21snmpd10:37:237
145646299190,15cyclictest0-21swapper/410:07:144
1456472991816,1cyclictest0-21swapper/709:59:497
1456472991816,1cyclictest0-21swapper/709:59:497
1456472991716,0cyclictest0-21swapper/707:38:247
1456472991716,0cyclictest0-21swapper/707:09:427
1456467991715,2cyclictest1479493-21kworker/u16:4+flush-8:007:19:335
1456462991714,3cyclictest0-21swapper/412:15:344
1456467991614,2cyclictest1193014-21kworker/u16:3+events_unbound07:45:225
145646299160,1cyclictest0-21swapper/410:55:384
1456462991514,1cyclictest0-21swapper/410:18:444
145646299150,14cyclictest0-21swapper/409:52:534
145646299150,14cyclictest0-21swapper/409:39:294
1456472991412,1cyclictest0-21swapper/707:23:157
1456462991413,1cyclictest0-21swapper/411:08:244
1456462991413,1cyclictest0-21swapper/408:23:584
145646299140,1cyclictest0-21swapper/411:59:104
145646299140,1cyclictest0-21swapper/410:42:304
145646299140,1cyclictest0-21swapper/410:42:304
145646299140,14cyclictest0-21swapper/411:19:364
145646299140,14cyclictest0-21swapper/411:19:364
145646299140,14cyclictest0-21swapper/410:30:344
145646299140,14cyclictest0-21swapper/409:16:184
145646299140,14cyclictest0-21swapper/409:01:574
1456462991312,1cyclictest0-21swapper/411:30:474
1456462991312,1cyclictest0-21swapper/409:27:494
145646299130,0cyclictest0-21swapper/411:43:434
145646799129,2cyclictest1479493-21kworker/u16:4+events_unbound07:23:485
1456467991210,2cyclictest1454527-21kworker/u16:1+events_unbound07:09:485
1456462991211,1cyclictest0-21swapper/412:28:394
1456462991211,1cyclictest0-21swapper/408:41:374
1456462991211,1cyclictest0-21swapper/407:57:194
1456462991211,1cyclictest0-21swapper/407:32:154
145646299120,12cyclictest0-21swapper/411:26:034
145646299116,4cyclictest1565608-21pool-gnome-soft07:59:404
145646299112,4cyclictest1458964-21cut07:08:574
145646299103,2cyclictest17983132chrt10:01:544
145646299103,2cyclictest17983132chrt10:01:544
145646299102,3cyclictest1469146-21kthreadcore07:13:424
145646299100,4cyclictest2094624-21chrt12:04:394
14564679996,2cyclictest1642153-21kworker/u16:2+events_unbound08:48:455
14564629993,1cyclictest16044522chrt08:21:374
14564629990,5cyclictest0-21swapper/412:27:374
14564629990,5cyclictest0-21swapper/411:55:224
14564629990,4cyclictest2132338-21chrt12:21:144
14564629990,4cyclictest2021286-21chrt11:35:064
14564629990,4cyclictest1972639-21chrt11:15:434
14564629990,4cyclictest1910710-21taskset10:49:384
14564629990,4cyclictest1849623-21taskset10:25:184
14564629990,4cyclictest1793547-21chrt09:54:164
14564629990,4cyclictest1750360-21taskset09:29:324
14564629990,4cyclictest1701768-21taskset09:10:324
14564629990,4cyclictest1662088-21chrt08:49:574
14564629990,4cyclictest1594721-21chrt08:15:044
14564629990,4cyclictest1585052-21chrt08:09:194
14564629990,4cyclictest1536854-21chrt07:47:154
14564629990,4cyclictest1517746-21taskset07:38:104
14564629990,4cyclictest1498331-21chrt07:25:364
14564629990,4cyclictest0-21swapper/412:34:374
14564629990,3cyclictest1899672-21chrt10:46:504
14564629990,3cyclictest1666922-21chrt08:53:584
14564629990,3cyclictest1633277-21chrt08:35:394
14564629990,3cyclictest1545994-21taskset07:49:084
14564629990,3cyclictest1545994-21taskset07:49:084
14564629981,2cyclictest1-21systemd12:13:324
14564629980,3cyclictest2048292-21chrt11:48:454
14564629980,3cyclictest2033995-21chrt11:40:514
14564629980,3cyclictest1958518-21chrt11:09:024
14564629980,3cyclictest1874397-21chrt10:35:364
14564629980,3cyclictest1812213-21chrt10:09:074
14564629980,3cyclictest1779031-21chrt09:45:594
14564629980,3cyclictest1725617-21chrt09:19:224
14564629980,3cyclictest1691146-21chrt09:06:404
14564629980,3cyclictest1652464-21taskset08:44:524
14564629980,3cyclictest1623689-21chrt08:31:224
14564629980,3cyclictest1527085-21chrt07:39:464
14564629980,3cyclictest1488663-21taskset07:19:514
14564629980,2cyclictest1575434-21chrt08:05:104
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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