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2025-11-18 - 06:07
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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 highest latencies:
System rack0slot2.osadl.org (updated Tue Nov 18, 2025 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161422799510,49cyclictest1759372-21latency_hist04:33:497
161422799510,49cyclictest1759372-21latency_hist04:33:497
161371724814,30sleep70-21swapper/703:21:087
161377924636,7sleep50-21swapper/503:21:555
1614227994439,4cyclictest1638295-21latency_hist03:33:497
1614227994237,4cyclictest1880550-21latency_hist05:33:497
161364124218,7sleep60-21swapper/603:20:036
1614227994136,4cyclictest2082327-21latency_hist07:13:497
1614227993938,0cyclictest0-21swapper/707:58:517
1614216993937,2cyclictest890748-21kworker/u16:4+events_unbound03:28:524
1614227993835,2cyclictest1728880-21sshd-session04:15:247
161382723827,8sleep40-21swapper/403:22:344
1614227993736,0cyclictest0-21swapper/706:24:207
1614227993632,3cyclictest1676739-21cut03:49:127
1614227993534,0cyclictest0-21swapper/708:18:597
1614227993433,0cyclictest0-21swapper/708:42:237
1614227993332,0cyclictest0-21swapper/708:47:257
1614223993329,4cyclictest2223417-21kworker/u16:1+flush-8:008:27:236
1614227993232,0cyclictest0-21swapper/707:53:487
1614227993231,0cyclictest0-21swapper/705:37:597
1614227993231,0cyclictest0-21swapper/703:28:267
1614217993230,2cyclictest1799393-21kworker/u16:2+flush-8:005:14:195
1614217993230,2cyclictest1799393-21kworker/u16:2+flush-8:005:14:195
1614227993130,0cyclictest0-21swapper/707:29:197
1614227993130,0cyclictest0-21swapper/707:29:197
1614227993130,0cyclictest0-21swapper/705:20:127
1614227993126,4cyclictest2132847-21latency_hist07:38:497
1614217993128,2cyclictest1810185-21kworker/u16:4+events_unbound05:39:095
1614227993029,0cyclictest0-21swapper/704:19:497
1614227993029,0cyclictest0-21swapper/703:48:247
1614227993029,0cyclictest0-21swapper/703:48:247
1614217993028,2cyclictest1799393-21kworker/u16:2+events_unbound04:59:195
1614217992927,2cyclictest2202546-21kworker/u16:3+flush-8:008:14:045
1614217992927,2cyclictest2202546-21kworker/u16:3+flush-8:008:14:045
1614217992927,2cyclictest1809492-21kworker/u16:0+events_unbound05:24:085
1614216992926,2cyclictest2082511-21kworker/u16:4+flush-8:007:49:134
1614227992827,0cyclictest0-21swapper/708:13:587
1614227992827,0cyclictest0-21swapper/708:13:587
1614227992827,0cyclictest0-21swapper/703:40:047
1614227992823,4cyclictest1749293-21latency_hist04:28:497
1614223992826,2cyclictest1799393-21kworker/u16:2+events_unbound05:09:196
1614227992726,0cyclictest0-21swapper/706:02:527
1614227992726,0cyclictest0-21swapper/706:02:527
1614217992723,3cyclictest2233904-21kworker/u16:4+events_unbound08:49:185
1614216992723,3cyclictest1557742-21kworker/u16:1+flush-8:004:14:054
1614227992625,0cyclictest0-21swapper/706:32:037
1614223992624,2cyclictest2223417-21kworker/u16:1+flush-8:008:44:046
1614223992623,2cyclictest2082511-21kworker/u16:4+events_unbound08:13:486
1614227992524,0cyclictest0-21swapper/708:32:127
1614227992524,0cyclictest0-21swapper/704:04:577
1614227992522,2cyclictest1900107-21timerandwakeup05:39:217
1614217992521,3cyclictest1779616-21kworker/u16:0+flush-8:004:49:205
1614227992423,0cyclictest0-21swapper/704:00:007
1614223992420,3cyclictest1557742-21kworker/u16:1+flush-8:004:09:196
1614217992422,2cyclictest1779616-21kworker/u16:0+events_unbound04:44:185
1614227992323,0cyclictest0-21swapper/707:56:597
1614227992322,0cyclictest0-21swapper/707:22:527
1614227992322,0cyclictest0-21swapper/705:16:277
1614227992322,0cyclictest0-21swapper/705:16:277
1614227992322,0cyclictest0-21swapper/705:01:127
1614227992322,0cyclictest0-21swapper/704:13:047
1614217992321,2cyclictest2253885-21kworker/u16:0+events_unbound08:44:135
1614217992321,2cyclictest1809492-21kworker/u16:0+flush-8:005:59:125
1614217992321,2cyclictest1809492-21kworker/u16:0+flush-8:005:59:125
1614217992321,2cyclictest1809492-21kworker/u16:0+events_unbound06:49:205
1614217992320,3cyclictest1809492-21kworker/u16:0+flush-8:005:54:145
1614216992321,2cyclictest1810185-21kworker/u16:4+flush-8:005:29:054
1614216992321,2cyclictest1799393-21kworker/u16:2+flush-8:004:59:154
1614216992320,3cyclictest1799393-21kworker/u16:2+flush-8:005:19:054
1614223992218,3cyclictest2275587-21iostat_ios08:49:086
1614217992220,2cyclictest1557742-21kworker/u16:1+events_unbound04:24:185
1614217992219,2cyclictest1799393-21kworker/u16:2+flush-8:005:18:595
1614217992218,3cyclictest1991329-21kworker/u16:1+events_unbound07:59:035
1614227992120,0cyclictest0-21swapper/708:08:047
1614217992120,1cyclictest1809492-21kworker/u16:0+events_unbound06:04:065
1614216992119,2cyclictest2142815-21kworker/u16:0+events_unbound08:19:034
1614216992119,2cyclictest1809492-21kworker/u16:0+flush-8:005:04:074
1614227992020,0cyclictest0-21swapper/708:27:277
1614227992019,0cyclictest0-21swapper/704:34:287
1614227992019,0cyclictest0-21swapper/703:33:577
1614227992015,4cyclictest2112668-21latency_hist07:28:487
1614227992014,5cyclictest589235-21systemd-journal07:43:237
1614227992014,5cyclictest2052098-21latency_hist06:58:497
1614217992018,2cyclictest2082511-21kworker/u16:4+events_unbound08:04:075
1614216992017,2cyclictest2050389-21kworker/u16:2+flush-8:007:30:594
1614216992017,2cyclictest2050389-21kworker/u16:2+flush-8:007:30:594
1614216992016,3cyclictest1799393-21kworker/u16:2+flush-8:005:34:074
1614227991919,0cyclictest0-21swapper/704:58:327
1614227991918,0cyclictest0-21swapper/707:44:587
1614227991918,0cyclictest0-21swapper/705:49:157
1614217991917,2cyclictest1991329-21kworker/u16:1+flush-8:007:17:295
1614216991917,2cyclictest2050389-21kworker/u16:2+flush-8:007:14:144
1614216991916,3cyclictest1688704-21kworker/u16:0+flush-8:004:05:024
1614216991916,2cyclictest1991329-21kworker/u16:1+flush-8:006:44:074
1614216991916,2cyclictest1991329-21kworker/u16:1+flush-8:006:44:074
1614216991916,2cyclictest1557742-21kworker/u16:1+flush-8:003:49:074
1614217991816,2cyclictest2142815-21kworker/u16:0+flush-8:007:44:145
1614217991816,2cyclictest1810185-21kworker/u16:4+flush-8:006:39:155
1614227991717,0cyclictest0-21swapper/707:18:047
1614227991716,0cyclictest0-21swapper/704:48:077
161421699170,16cyclictest1745458-21kthreadcore04:24:114
1614227991615,0cyclictest0-21swapper/708:13:287
1614227991615,0cyclictest0-21swapper/706:52:097
1614227991614,1cyclictest0-21swapper/704:43:047
1614227991613,2cyclictest4175659-21snmpd04:52:347
1614223991614,2cyclictest1799393-21kworker/u16:2+events_unbound05:34:146
1614223991613,2cyclictest1991329-21kworker/u16:1+flush-8:007:09:156
1614217991613,3cyclictest2223417-21kworker/u16:1+flush-8:008:39:155
1614217991613,2cyclictest1810185-21kworker/u16:4+flush-8:006:26:595
1614216991614,2cyclictest1738893-21kworker/u16:4+flush-8:004:39:154
1614216991613,2cyclictest1991329-21kworker/u16:1+events_unbound06:29:094
161422799156,8cyclictest951ktimers/705:44:157
1614227991514,0cyclictest0-21swapper/707:04:567
1614227991514,0cyclictest0-21swapper/705:12:077
1614227991512,2cyclictest4175659-21snmpd06:42:227
161422799150,13cyclictest2031337-21cat06:44:207
161422799150,13cyclictest2031337-21cat06:44:207
1614223991513,2cyclictest0-21swapper/605:04:166
1614223991513,1cyclictest0-21swapper/608:39:096
1614217991513,2cyclictest1810185-21kworker/u16:4+flush-8:006:13:495
1614217991512,2cyclictest1678531-21kworker/u16:2+events_unbound03:59:075
1614217991511,3cyclictest1709059-21kworker/u16:3+flush-8:004:54:155
161421799150,14cyclictest1778742-21sensors_temp04:39:185
1614227991413,0cyclictest0-21swapper/706:11:087
161422799140,1cyclictest0-21swapper/708:34:127
161422799140,13cyclictest0-21swapper/706:04:157
161422399140,14cyclictest0-21swapper/608:34:156
1614217991411,2cyclictest1557742-21kworker/u16:1+events_unbound03:54:085
161421799140,14cyclictest0-21swapper/503:44:135
161421799140,14cyclictest0-21swapper/503:44:135
1614216991412,2cyclictest1951353-21kworker/u16:2+events_unbound06:24:044
1614216991412,2cyclictest1603930-21kworker/u16:0+flush-8:003:24:154
161421699140,14cyclictest0-21swapper/408:30:464
1614227991312,0cyclictest0-21swapper/706:37:257
1614227991312,0cyclictest0-21swapper/706:19:157
161422399130,12cyclictest0-21swapper/606:59:026
1614217991312,1cyclictest0-21swapper/508:34:595
1614217991312,1cyclictest0-21swapper/508:25:515
1614217991312,1cyclictest0-21swapper/507:52:445
1614217991312,1cyclictest0-21swapper/506:32:585
1614217991312,1cyclictest0-21swapper/504:06:595
1614217991312,1cyclictest0-21swapper/503:29:385
1614217991311,2cyclictest1991329-21kworker/u16:1+events_unbound07:04:045
161421799130,6cyclictest0-21swapper/505:49:075
161421799130,13cyclictest0-21swapper/508:09:155
161421799130,13cyclictest0-21swapper/506:14:415
1614216991312,1cyclictest0-21swapper/407:45:584
1614216991311,2cyclictest1709059-21kworker/u16:3+flush-8:004:54:054
161422799129,2cyclictest4175659-21snmpd06:17:407
161422799125,6cyclictest0-21swapper/705:23:507
1614227991212,0cyclictest0-21swapper/705:55:147
161422399122,4cyclictest1956493-21kthreadcore06:09:106
161422399122,4cyclictest1617277-21cut03:24:096
1614223991211,1cyclictest0-21swapper/604:39:226
1614223991210,2cyclictest1810185-21kworker/u16:4+events_unbound05:54:046
161422399120,12cyclictest0-21swapper/608:07:096
161422399120,12cyclictest0-21swapper/606:30:116
161421799129,2cyclictest2050389-21kworker/u16:2+flush-8:007:19:205
1614217991211,1cyclictest0-21swapper/507:33:115
1614217991211,1cyclictest0-21swapper/507:33:115
1614217991211,1cyclictest0-21swapper/505:03:545
1614217991211,1cyclictest0-21swapper/503:39:435
161421799120,1cyclictest0-21swapper/506:34:425
161421799120,12cyclictest0-21swapper/507:38:145
161421799120,12cyclictest0-21swapper/503:34:405
161421799120,0cyclictest0-21swapper/508:32:285
1614216991211,1cyclictest0-21swapper/408:17:494
1614216991211,1cyclictest0-21swapper/408:17:494
1614216991211,1cyclictest0-21swapper/406:20:504
1614216991211,1cyclictest0-21swapper/405:44:544
1614216991210,2cyclictest1688704-21kworker/u16:0+events_unbound03:59:194
161421699120,1cyclictest0-21swapper/406:13:074
161421699120,1cyclictest0-21swapper/405:15:444
161421699120,1cyclictest0-21swapper/405:15:444
161421699120,1cyclictest0-21swapper/404:30:584
161421699120,1cyclictest0-21swapper/404:30:584
161421699120,12cyclictest0-21swapper/408:37:564
161421699120,12cyclictest0-21swapper/408:24:384
161421699120,12cyclictest0-21swapper/407:01:124
161422799117,3cyclictest27763-21gvfs-afc-volume05:04:047
161422799117,3cyclictest27642-21gmain03:54:117
161422799115,5cyclictest27924-21gmain08:50:147
161422799115,5cyclictest27642-21gmain06:58:597
161422399119,2cyclictest1557742-21kworker/u16:1+flush-8:004:44:036
161422399115,5cyclictest0-21swapper/606:34:026
161422399115,1cyclictest0-21swapper/607:44:076
161422399115,1cyclictest0-21swapper/605:39:136
161422399115,1cyclictest0-21swapper/604:29:116
161422399115,1cyclictest0-21swapper/604:29:116
161422399115,1cyclictest0-21swapper/603:54:066
161422399114,2cyclictest1906698-21kthreadcore05:44:096
161422399114,2cyclictest1670267-21kthreadcore03:49:076
161422399114,2cyclictest1659607-21fschecks_time03:44:046
161422399114,2cyclictest1659607-21fschecks_time03:44:046
161422399113,4cyclictest1872483-21cut05:29:076
161422399113,4cyclictest1848244-21grep05:14:126
161422399113,4cyclictest1848244-21grep05:14:126
161422399113,4cyclictest1804754-21cut04:54:106
161422399113,3cyclictest2136450-21cat07:39:106
161422399113,3cyclictest1931472-21cat05:59:006
161422399113,3cyclictest1931472-21cat05:59:006
161422399113,2cyclictest2046363-21kthreadcore06:54:116
161422399113,2cyclictest1697808-21needreboot03:59:156
161422399112,4cyclictest2176552-21kthreadcore07:59:076
161422399112,4cyclictest2117439-21kthreadcore07:29:106
161422399112,4cyclictest2117439-21kthreadcore07:29:106
161422399112,4cyclictest2012111-21cpu06:39:036
161422399112,4cyclictest1984193-21tr06:24:076
161422399112,4cyclictest1977061-21cut06:19:106
161422399112,4cyclictest1852762-21cut05:19:086
161422399112,4cyclictest1731193-21cat04:19:096
161422399112,3cyclictest1916209-21cut05:49:116
161422399112,3cyclictest1644606-21kthreadcore03:34:126
161422399111,4cyclictest2034178-21kthreadcore06:49:086
1614223991110,1cyclictest0-21swapper/607:53:456
1614223991110,1cyclictest0-21swapper/607:36:156
1614223991110,1cyclictest0-21swapper/606:06:426
1614223991110,1cyclictest0-21swapper/605:00:016
161422399110,11cyclictest0-21swapper/607:56:166
161421799119,2cyclictest1809492-21kworker/u16:0+flush-8:006:19:155
161421799119,2cyclictest1799393-21kworker/u16:2+events_unbound05:34:185
1614217991110,1cyclictest0-21swapper/507:28:095
1614217991110,1cyclictest0-21swapper/506:57:435
1614217991110,1cyclictest0-21swapper/504:34:545
1614217991110,1cyclictest0-21swapper/504:21:485
1614217991110,1cyclictest0-21swapper/503:53:075
161421699117,3cyclictest2233904-21kworker/u16:4+flush-8:008:49:154
1614216991110,1cyclictest0-21swapper/403:57:424
161421699110,11cyclictest0-21swapper/406:50:294
161421699110,11cyclictest0-21swapper/404:48:184
161421699110,11cyclictest0-21swapper/403:47:464
161421699110,11cyclictest0-21swapper/403:47:464
161421699110,10cyclictest0-21swapper/408:38:584
161421699110,0cyclictest0-21swapper/408:09:274
161422399105,1cyclictest0-21swapper/606:14:096
161422399105,1cyclictest0-21swapper/604:24:086
161422399104,1cyclictest0-21swapper/607:19:096
161422399103,3cyclictest1763130-21cut04:34:086
161422399103,3cyclictest1708024-21pmu-power04:04:176
161422399103,2cyclictest2065753-21kthreadcore07:04:086
161422399103,2cyclictest1864348-21kthreadcore05:24:116
161422399103,2cyclictest1794372-21kthreadcore04:49:136
161422399103,2cyclictest1720671-21kthreadcore04:14:076
161422399102,4cyclictest2022484-21expr06:44:036
161422399102,4cyclictest2022484-21expr06:44:036
161422399102,3cyclictest2236124-21cut08:29:076
161422399102,3cyclictest2214933-21irqcore08:19:056
161422399102,3cyclictest2207424-21cut08:14:086
161422399102,3cyclictest2207424-21cut08:14:086
161422399102,3cyclictest2104567-21kthreadcore07:24:066
161422399102,3cyclictest2083557-21irqcore07:14:066
161422399102,3cyclictest1625433-21kthreadcore03:28:516
161421799109,1cyclictest0-21swapper/507:56:125
161421799109,1cyclictest0-21swapper/507:39:585
161421799109,1cyclictest0-21swapper/504:32:135
161421799109,1cyclictest0-21swapper/504:32:135
161421799108,2cyclictest2050389-21kworker/u16:2+events_unbound07:09:205
161421699109,1cyclictest0-21swapper/408:06:564
161421699109,1cyclictest0-21swapper/407:40:084
161421699109,1cyclictest0-21swapper/407:26:064
161421699109,1cyclictest0-21swapper/407:19:294
161421699109,1cyclictest0-21swapper/407:07:494
161421699109,1cyclictest0-21swapper/406:02:524
161421699109,1cyclictest0-21swapper/406:02:524
161421699109,1cyclictest0-21swapper/405:11:284
161421699109,1cyclictest0-21swapper/404:51:464
161421699109,1cyclictest0-21swapper/403:39:344
161421699108,2cyclictest1809492-21kworker/u16:0+flush-8:006:39:054
161421699107,3cyclictest1557742-21kworker/u16:1+events_unbound04:09:074
161421699106,3cyclictest1639472-21cat03:34:074
161421699100,0cyclictest0-21swapper/406:04:364
16142239990,4cyclictest1649674-21sort03:39:066
16142179998,1cyclictest0-21swapper/504:14:525
16142169998,1cyclictest0-21swapper/407:36:494
16142169998,1cyclictest0-21swapper/406:57:534
16142169998,1cyclictest0-21swapper/405:27:434
16142169990,8cyclictest2076421-21grep07:09:094
16142179987,1cyclictest0-21swapper/506:59:275
16142179987,1cyclictest0-21swapper/506:45:545
16142179987,1cyclictest0-21swapper/506:45:545
16142179985,2cyclictest0-21swapper/505:44:075
16142179983,4cyclictest1833529-21tr05:09:115
16142179980,7cyclictest0-21swapper/505:29:055
16142169987,1cyclictest0-21swapper/405:54:214
16142169985,2cyclictest1738206-21ntp_kernel_err04:19:144
16142169985,2cyclictest0-21swapper/408:44:084
16142169984,3cyclictest2165757-21cut07:54:104
16142169984,3cyclictest2010721-21nfs_client06:34:124
16142169984,3cyclictest1764024-21kthreadcore04:34:084
16142169983,4cyclictest1964183-21cut06:14:074
16142169983,4cyclictest1919990-21ntpq05:49:164
16142169983,4cyclictest1897130-21grep05:39:134
16142179975,1cyclictest0-21swapper/504:09:055
16142179973,3cyclictest1614590-21cat03:24:035
16142179972,4cyclictest2214760-21sh08:19:045
16142169972,4cyclictest2174478-21irqcore07:59:054
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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