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2026-05-02 - 13:13
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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 May 02, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21875822950,0sleep686-21ksoftirqd/610:44:096
171856024636,7sleep40-21swapper/407:07:084
171853324635,8sleep50-21swapper/507:06:455
1718975994543,2cyclictest2338461-21kworker/u16:2+flush-8:012:14:186
1718967994441,2cyclictest2317626-21kworker/u16:1+flush-8:011:44:075
1718967994440,3cyclictest2208307-21kworker/u16:4+events_unbound10:59:045
1718979994138,2cyclictest124-21kswapd011:43:507
17091482393,30sleep70-21swapper/707:03:517
1718975993836,2cyclictest2038224-21kworker/u16:2+flush-8:010:48:526
1718975993734,2cyclictest2370100-21kworker/u16:1+events_unbound12:03:516
1718964993734,2cyclictest1924159-21kworker/u16:2+flush-8:009:24:054
1718979993630,5cyclictest1789705-21latency_hist07:43:507
1718975993634,2cyclictest2123639-21kworker/u16:0+events_unbound12:29:146
1718975993634,2cyclictest2038224-21kworker/u16:2+flush-8:009:53:496
1718975993634,2cyclictest1828445-21kworker/u16:4+events_unbound09:22:556
1718975993633,2cyclictest2086645-21kworker/u16:1+flush-8:010:03:596
1718975993533,2cyclictest2208307-21kworker/u16:4+flush-8:011:34:046
1718975993533,2cyclictest2208307-21kworker/u16:4+flush-8:011:04:056
1718975993533,2cyclictest2208307-21kworker/u16:4+events_unbound11:44:116
1718975993533,2cyclictest2123639-21kworker/u16:0+flush-8:011:16:006
171850523525,7sleep60-21swapper/607:06:226
1718975993431,2cyclictest2038224-21kworker/u16:2+flush-8:011:09:006
1718979993331,1cyclictest1952647-21diskmemload11:29:007
1718975993331,2cyclictest2370100-21kworker/u16:1+flush-8:011:59:106
1718975993331,2cyclictest2370100-21kworker/u16:1+flush-8:011:59:106
1718975993331,2cyclictest2338461-21kworker/u16:2+events_unbound11:56:316
1718975993331,2cyclictest2038224-21kworker/u16:2+flush-8:009:58:316
1718975993331,2cyclictest1942270-21kworker/u16:1+flush-8:009:15:006
1718975993330,2cyclictest2370100-21kworker/u16:1+flush-8:012:33:596
1718975993330,2cyclictest2338461-21kworker/u16:2+flush-8:012:24:056
1718967993331,2cyclictest2123639-21kworker/u16:0+flush-8:010:43:445
1718967993331,2cyclictest2123639-21kworker/u16:0+flush-8:010:43:445
1718979993229,2cyclictest2365749-21ssh11:58:097
1718979993229,2cyclictest2197420-21ps10:49:067
1718975993230,2cyclictest2208307-21kworker/u16:4+events_unbound11:43:476
1718975993230,2cyclictest2123639-21kworker/u16:0+flush-8:011:27:156
1718975993230,2cyclictest2074144-21kworker/u16:3+events_unbound10:12:046
1718975993129,2cyclictest2338461-21kworker/u16:2+flush-8:011:49:316
1718975993129,2cyclictest2074144-21kworker/u16:3+flush-8:010:14:596
1718975993129,2cyclictest1635599-21kworker/u16:4+flush-8:007:14:206
1718979993029,0cyclictest0-21swapper/712:16:027
1718979993029,0cyclictest0-21swapper/711:59:457
1718979993029,0cyclictest0-21swapper/711:59:457
1718975993028,2cyclictest2123639-21kworker/u16:0+events_unbound10:32:006
1718975993028,2cyclictest2123639-21kworker/u16:0+events_unbound10:28:006
1718979992928,0cyclictest0-21swapper/707:09:177
1718975992927,2cyclictest1988995-21kworker/u16:0+flush-8:009:34:486
1718975992927,2cyclictest1988995-21kworker/u16:0+events_unbound10:02:596
1718975992927,2cyclictest1988995-21kworker/u16:0+events_unbound10:02:596
1718967992927,2cyclictest2038224-21kworker/u16:2+events_unbound10:54:035
1718979992824,3cyclictest1779450-21cat07:34:187
1718975992826,2cyclictest2208307-21kworker/u16:4+events_unbound11:21:406
1718975992826,2cyclictest2208307-21kworker/u16:4+events_unbound11:21:406
1718975992826,2cyclictest2123639-21kworker/u16:0+flush-8:010:40:406
1718975992826,2cyclictest2123639-21kworker/u16:0+flush-8:010:40:406
1718975992826,2cyclictest2123639-21kworker/u16:0+events_unbound10:56:516
1718967992825,2cyclictest2370100-21kworker/u16:1+flush-8:012:19:065
21942792270,1chrt2194280-21ssh10:45:387
1718979992726,0cyclictest0-21swapper/708:57:077
1718979992726,0cyclictest0-21swapper/708:46:037
1718975992725,2cyclictest2338461-21kworker/u16:2+events_unbound12:21:586
1718975992725,2cyclictest2208307-21kworker/u16:4+flush-8:010:59:196
1718975992725,2cyclictest2038224-21kworker/u16:2+flush-8:010:19:206
1718975992725,2cyclictest1828445-21kworker/u16:4+events_unbound09:12:006
1718975992725,2cyclictest1770205-21kworker/u16:1+flush-8:007:33:466
1718979992625,0cyclictest0-21swapper/712:10:147
1718979992624,1cyclictest0-21swapper/707:49:117
1718979992624,1cyclictest0-21swapper/707:49:117
1718979992622,3cyclictest2135797-21ssh10:23:537
1718979992621,4cyclictest2317584-21latency_hist11:38:507
1718975992624,2cyclictest2370100-21kworker/u16:1+events_unbound12:12:316
1718979992524,0cyclictest0-21swapper/712:07:387
1718979992524,0cyclictest0-21swapper/711:48:587
1718979992524,0cyclictest0-21swapper/710:03:027
1718979992524,0cyclictest0-21swapper/710:03:027
1718979992524,0cyclictest0-21swapper/709:51:377
1718979992524,0cyclictest0-21swapper/709:01:397
1718979992524,0cyclictest0-21swapper/708:32:287
1718979992524,0cyclictest0-21swapper/708:20:527
1718979992524,0cyclictest0-21swapper/708:16:367
1718979992524,0cyclictest0-21swapper/707:28:087
1718979992520,4cyclictest1977041-21latency_hist09:18:497
1718975992522,3cyclictest2014012-21kworker/u16:3+events_unbound09:42:436
1718975992522,2cyclictest1770205-21kworker/u16:1+events_unbound08:08:596
1718979992423,0cyclictest0-21swapper/712:36:207
1718979992423,0cyclictest0-21swapper/712:23:537
1718979992423,0cyclictest0-21swapper/712:20:457
1718979992423,0cyclictest0-21swapper/711:23:257
1718979992423,0cyclictest0-21swapper/711:23:257
1718979992423,0cyclictest0-21swapper/710:21:217
1718979992423,0cyclictest0-21swapper/710:06:147
1718979992423,0cyclictest0-21swapper/709:06:037
1718979992423,0cyclictest0-21swapper/708:52:517
1718979992423,0cyclictest0-21swapper/708:28:127
1718979992423,0cyclictest0-21swapper/708:06:237
1718979992423,0cyclictest0-21swapper/708:01:517
1718979992422,1cyclictest2267065-21ssh11:15:137
1718979992422,1cyclictest1998904-21ssh09:24:257
1718979992419,4cyclictest2183928-21latency_hist10:43:497
1718979992419,4cyclictest2183928-21latency_hist10:43:497
1718975992422,2cyclictest1988995-21kworker/u16:0+flush-8:009:25:556
1718975992422,2cyclictest1924159-21kworker/u16:2+events_unbound09:31:006
1718967992422,2cyclictest2370100-21kworker/u16:1+events_unbound12:29:045
1718967992422,2cyclictest2123639-21kworker/u16:0+events_unbound11:59:235
1718967992422,2cyclictest2123639-21kworker/u16:0+events_unbound11:59:235
1718967992421,3cyclictest2208307-21kworker/u16:4+flush-8:011:39:225
1718979992322,0cyclictest0-21swapper/711:44:467
1718979992322,0cyclictest0-21swapper/709:36:577
1718979992322,0cyclictest0-21swapper/709:20:447
1718979992322,0cyclictest0-21swapper/707:15:037
1718979992321,1cyclictest0-21swapper/709:40:107
1718979992317,5cyclictest2220451-21latency_hist10:58:507
1718975992321,2cyclictest2147948-21kworker/u16:1+flush-8:010:34:476
1718967992321,2cyclictest1924159-21kworker/u16:2+flush-8:009:09:115
1718967992320,2cyclictest1924159-21kworker/u16:2+flush-8:009:23:565
1718967992319,4cyclictest1770205-21kworker/u16:1+flush-8:008:28:495
1718979992221,0cyclictest0-21swapper/711:04:407
1718979992221,0cyclictest0-21swapper/710:09:327
1718975992220,2cyclictest1789745-21kworker/u16:3+flush-8:007:44:076
1718975992220,2cyclictest1789745-21kworker/u16:3+events_unbound07:52:126
1718975992220,2cyclictest1789745-21kworker/u16:3+events_unbound07:52:126
1718967992220,2cyclictest2341879-21kworker/u16:3+events_unbound11:54:075
1718967992220,2cyclictest1742182-21kworker/u16:3+flush-8:007:24:335
1718967992219,2cyclictest2123639-21kworker/u16:0+flush-8:011:29:035
24146762210,0sleep50-21swapper/512:18:495
1718979992120,0cyclictest0-21swapper/711:10:077
1718979992120,0cyclictest0-21swapper/710:36:397
1718979992120,0cyclictest0-21swapper/708:13:077
1718975992119,2cyclictest1770205-21kworker/u16:1+flush-8:008:19:106
1718967992119,2cyclictest2123639-21kworker/u16:0+flush-8:011:24:115
1718967992119,2cyclictest2086645-21kworker/u16:1+events_unbound10:13:445
1718967992119,2cyclictest2038224-21kworker/u16:2+flush-8:009:54:055
1718967992119,2cyclictest1799689-21kworker/u16:2+events_unbound08:14:135
1718979992019,0cyclictest0-21swapper/708:35:127
1718975992018,2cyclictest2123639-21kworker/u16:0+events_unbound11:29:026
1718975992018,2cyclictest1988995-21kworker/u16:0+events_unbound09:47:446
1718967992017,2cyclictest1924159-21kworker/u16:2+flush-8:009:28:595
1718964992013,4cyclictest0-21swapper/412:33:594
1718979991918,0cyclictest0-21swapper/712:32:337
1718979991918,0cyclictest0-21swapper/710:29:227
1718979991918,0cyclictest0-21swapper/709:29:577
1718979991918,0cyclictest0-21swapper/709:09:517
1718979991918,0cyclictest0-21swapper/708:40:117
1718979991918,0cyclictest0-21swapper/707:31:477
1718979991917,1cyclictest0-21swapper/709:45:287
1718975991917,2cyclictest1828445-21kworker/u16:4+events_unbound09:03:526
1718967991917,2cyclictest2447953-21kworker/u16:3+flush-8:012:38:365
1718967991916,2cyclictest2147948-21kworker/u16:1+flush-8:010:38:495
1718967991916,2cyclictest1866782-21kworker/u16:0+events_unbound08:44:025
1718979991817,0cyclictest0-21swapper/707:47:427
1718967991816,2cyclictest251386-21kworker/u16:2+flush-8:007:19:145
1718979991716,0cyclictest0-21swapper/709:55:537
1718979991715,1cyclictest0-21swapper/710:14:057
1718975991715,2cyclictest1770205-21kworker/u16:1+events_unbound08:01:006
1718967991715,2cyclictest1988995-21kworker/u16:0+events_unbound09:59:045
1718967991715,2cyclictest1988995-21kworker/u16:0+events_unbound09:59:045
1718967991715,2cyclictest1942270-21kworker/u16:1+flush-8:009:14:165
1718967991715,2cyclictest1799689-21kworker/u16:2+events_unbound07:54:025
1718967991715,2cyclictest1699888-21kworker/u16:0+events_unbound07:14:145
171896499170,1cyclictest0-21swapper/410:56:144
171896499170,1cyclictest0-21swapper/409:51:354
171896499170,1cyclictest0-21swapper/408:09:144
1718979991615,0cyclictest0-21swapper/707:20:237
1718975991614,2cyclictest1770205-21kworker/u16:1+flush-8:008:39:076
1718975991613,2cyclictest1924159-21kworker/u16:2+events_unbound08:58:516
1718967991614,2cyclictest251386-21kworker/u16:2+events_unbound07:29:055
1718967991614,2cyclictest2370100-21kworker/u16:1+flush-8:012:04:585
1718967991614,2cyclictest2123639-21kworker/u16:0+flush-8:010:24:155
1718967991614,2cyclictest2086645-21kworker/u16:1+flush-8:010:04:145
1718967991614,2cyclictest1942270-21kworker/u16:1+flush-8:009:47:555
1718967991614,2cyclictest1942270-21kworker/u16:1+events_unbound09:49:145
171896499160,1cyclictest0-21swapper/410:42:364
171896499160,1cyclictest0-21swapper/410:42:364
1718975991513,2cyclictest1799689-21kworker/u16:2+flush-8:008:18:006
1718975991513,2cyclictest1770205-21kworker/u16:1+flush-8:008:29:156
1718975991513,2cyclictest1770205-21kworker/u16:1+flush-8:008:04:176
1718975991513,2cyclictest1770205-21kworker/u16:1+events_unbound08:49:126
1718967991513,2cyclictest2123639-21kworker/u16:0+flush-8:011:36:595
1718967991513,2cyclictest2038224-21kworker/u16:2+flush-8:011:07:585
1718967991513,2cyclictest1924159-21kworker/u16:2+events_unbound09:04:175
1718967991512,2cyclictest1988995-21kworker/u16:0+flush-8:009:34:005
1718964991513,2cyclictest1988995-21kworker/u16:0+flush-8:009:59:464
1718964991513,2cyclictest1988995-21kworker/u16:0+flush-8:009:59:464
171896499150,15cyclictest0-21swapper/408:59:154
1718975991413,1cyclictest0-21swapper/608:44:096
1718975991412,2cyclictest1828445-21kworker/u16:4+events_unbound08:54:156
1718975991412,2cyclictest1770205-21kworker/u16:1+events_unbound07:58:476
1718975991412,2cyclictest1699888-21kworker/u16:0+flush-8:007:10:356
1718967991413,1cyclictest0-21swapper/512:12:155
1718967991412,2cyclictest2370100-21kworker/u16:1+events_unbound12:27:325
1718967991411,3cyclictest1924159-21kworker/u16:2+flush-8:009:19:105
171896799140,14cyclictest0-21swapper/511:11:335
171896799140,14cyclictest0-21swapper/509:40:535
1718964991413,1cyclictest0-21swapper/412:03:144
1718964991413,1cyclictest0-21swapper/412:03:144
1718964991413,1cyclictest0-21swapper/411:41:194
1718964991413,1cyclictest0-21swapper/411:24:464
1718964991413,1cyclictest0-21swapper/409:18:384
171896499140,8cyclictest19461971kthreadcore09:04:094
171896499140,7cyclictest2040631-21kthreadcore09:44:074
171896499140,14cyclictest0-21swapper/410:27:414
171896499140,14cyclictest0-21swapper/410:16:114
171896499140,14cyclictest0-21swapper/410:05:474
171896499140,14cyclictest0-21swapper/407:39:094
171897999139,3cyclictest1234-21snmpd07:57:117
1718979991312,0cyclictest0-21swapper/711:23:567
1718975991311,2cyclictest1742182-21kworker/u16:3+events_unbound07:27:006
1718975991311,2cyclictest1699888-21kworker/u16:0+events_unbound07:39:186
1718975991311,1cyclictest1774534-21kthreadcore07:34:096
1718967991311,2cyclictest1770205-21kworker/u16:1+flush-8:008:19:055
1718964991312,1cyclictest0-21swapper/411:09:474
1718964991312,1cyclictest0-21swapper/408:15:534
171896499130,9cyclictest19791061kthreadcore09:19:074
171896499130,8cyclictest1902664-21tr08:39:104
171896499130,7cyclictest0-21swapper/411:44:024
171896499130,1cyclictest0-21swapper/409:35:024
171896499130,13cyclictest0-21swapper/407:37:544
171896499130,0cyclictest0-21swapper/408:46:444
171897599129,2cyclictest1770205-21kworker/u16:1+flush-8:008:23:566
1718975991210,2cyclictest1828445-21kworker/u16:4+flush-8:008:34:116
1718967991211,1cyclictest0-21swapper/508:59:545
171896799120,1cyclictest0-21swapper/507:40:365
171896499129,2cyclictest0-21swapper/408:29:174
171896499123,8cyclictest1719517-21cat07:09:034
1718964991211,1cyclictest0-21swapper/408:24:154
171896499120,6cyclictest1828056-21turbostat08:03:504
171896499120,11cyclictest2101176-21cat10:09:054
171896799119,2cyclictest2208307-21kworker/u16:4+events_unbound11:23:045
171896799119,2cyclictest2208307-21kworker/u16:4+events_unbound11:23:045
171896799119,2cyclictest2123639-21kworker/u16:0+flush-8:010:50:155
171896799119,2cyclictest1770205-21kworker/u16:1+events_unbound07:44:195
171896499117,3cyclictest0-21swapper/407:44:024
171896499114,6cyclictest1930824-21kthreadcore08:54:104
171896499113,7cyclictest2068663-21cut09:54:094
171896499113,7cyclictest2002358-21expr09:29:044
171896499112,8cyclictest2191154-21cut10:44:114
171896499110,9cyclictest2026403-21tr09:39:014
171896499110,9cyclictest1809524-21cpuspeed_turbos07:54:024
171896499110,10cyclictest2425374-21chrt12:21:134
171896499110,10cyclictest2412858-21chrt12:15:354
171896499110,10cyclictest2267767-21chrt11:16:294
171896499110,10cyclictest1894830-21chrt08:34:494
171896499110,10cyclictest1770229-21chrt07:29:434
171896499110,10cyclictest1741494-21chrt07:14:454
171897999104,5cyclictest2222421-21cat10:59:077
171896799109,1cyclictest0-21swapper/508:00:375
171896799108,2cyclictest251386-21kworker/u16:2+events_unbound07:34:125
171896799108,2cyclictest2086645-21kworker/u16:1+events_unbound10:14:095
171896799108,2cyclictest1770205-21kworker/u16:1+flush-8:008:09:165
171896799108,2cyclictest1770205-21kworker/u16:1+events_unbound08:49:105
171896799107,2cyclictest2123639-21kworker/u16:0+flush-8:011:48:515
171896799107,2cyclictest2123639-21kworker/u16:0+events_unbound10:44:035
171896499106,3cyclictest0-21swapper/407:24:114
171896499104,5cyclictest2125917-21kthreadcore10:19:064
171896499102,7cyclictest1859100-21cut08:19:074
171896499100,9cyclictest2449156-21taskset12:30:184
171896499100,9cyclictest2427304-21chrt12:24:014
171896499100,9cyclictest2401052-21chrt12:11:114
171896499100,9cyclictest2353341-21chrt11:52:434
171896499100,9cyclictest2303044-21chrt11:29:274
171896499100,9cyclictest2278081-21chrt11:19:174
171896499100,9cyclictest2278081-21chrt11:19:174
171896499100,9cyclictest2231912-21chrt11:02:344
171896499100,9cyclictest2207208-21chrt10:52:004
171896499100,9cyclictest2160584-21cstates10:34:024
171896499100,9cyclictest2151055-21kthreadcore10:29:084
171896499100,9cyclictest1953236-21cpuspeed_turbos09:09:024
171896499100,9cyclictest1828439-21chrt08:03:564
171896499100,9cyclictest1800451-21wc07:49:054
171896499100,9cyclictest1800451-21wc07:49:054
171896499100,9cyclictest1743882-21tr07:19:084
171896499100,8cyclictest1914757-21grep08:49:024
17189759994,4cyclictest1742965-21cat07:19:066
17189679997,2cyclictest2074144-21kworker/u16:3+flush-8:010:23:315
17189649990,8cyclictest2387976-21chrt12:04:304
17189649990,8cyclictest2355186-21chrt11:54:044
17189649990,8cyclictest2316316-21chrt11:36:324
17189649990,8cyclictest2242863-21chrt11:05:234
17189679986,2cyclictest1828445-21kworker/u16:4+flush-8:008:34:175
17189679984,3cyclictest1884638-21open_inodes08:29:155
17189679983,4cyclictest1901789-21cut08:39:105
17189679980,3cyclictest1925545-21kthreadcore08:54:075
17189679975,2cyclictest2123639-21kworker/u16:0+flush-8:011:14:195
17189679975,1cyclictest0-21swapper/507:49:025
17189679975,1cyclictest0-21swapper/507:49:025
17189679974,2cyclictest1719312-21cpuspeed_turbos07:09:025
17189679972,4cyclictest2148327-21cat10:29:025
17189679972,4cyclictest1830499-21cut08:04:105
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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