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2025-12-21 - 21:41
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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 100 highest latencies:
System rackeslot8.osadl.org (updated Sun Dec 21, 2025 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5909992421,1cyclictest0-21swapper/310:35:163
590999241,19cyclictest147688-21turbostat09:00:003
5909992017,1cyclictest0-21swapper/310:56:093
5909992017,1cyclictest0-21swapper/309:55:193
590999200,17cyclictest20925-21turbostat07:20:013
5909991916,1cyclictest0-21swapper/307:31:073
590999191,14cyclictest331899-21taskset11:25:133
590999191,14cyclictest331623-21turbostat11:25:003
590999191,14cyclictest331623-21turbostat11:25:003
590999190,15cyclictest166964-21taskset09:15:133
5909991815,1cyclictest0-21swapper/312:00:013
590999181,13cyclictest426483-21taskset12:35:223
590999181,13cyclictest127403-21chrt08:40:183
5909991714,1cyclictest0-21swapper/310:05:153
5909991714,1cyclictest0-21swapper/307:40:183
590999171,13cyclictest362692-21taskset11:45:213
590999171,13cyclictest254570-21taskset10:20:213
590999171,12cyclictest306344-21chrt11:05:133
590999171,12cyclictest248339-21taskset10:15:233
590999171,12cyclictest135103-21taskset08:50:013
590999170,13cyclictest224065-21taskset10:00:013
590999162,10cyclictest192458-21taskset09:35:133
5909991613,1cyclictest0-21swapper/312:05:213
5909991613,1cyclictest0-21swapper/310:49:383
5909991613,1cyclictest0-21swapper/309:34:073
5909991613,1cyclictest0-21swapper/307:20:223
590999161,12cyclictest96804-21chrt08:17:113
590999161,12cyclictest407835-21taskset12:22:193
590999161,12cyclictest369704-21taskset11:53:063
590999161,12cyclictest344785-21chrt11:35:033
590999161,12cyclictest33222-21taskset07:26:013
590999161,12cyclictest267720-21taskset10:30:353
590999161,12cyclictest261734-21turbostat10:30:003
590999161,12cyclictest151635-21taskset09:00:183
590999161,12cyclictest109317-21taskset08:25:283
590999161,11cyclictest59279-21taskset07:50:023
590999161,11cyclictest154277-21chrt09:05:153
590999161,11cyclictest12145-21turbostat07:15:013
590999160,13cyclictest344119-21chrt11:30:253
590999160,12cyclictest382528-21taskset12:04:563
590999160,11cyclictest274628-21taskset10:40:013
590999156,7cyclictest2412972sleep310:10:203
5909991513,1cyclictest0-21swapper/311:15:143
5909991513,1cyclictest0-21swapper/307:58:463
5909991512,1cyclictest0-21swapper/309:45:253
5909991512,1cyclictest0-21swapper/309:40:233
5909991512,1cyclictest0-21swapper/308:20:193
590999151,12cyclictest46338-21chrt07:39:563
590999151,12cyclictest141194-21taskset08:52:563
590999151,11cyclictest78250-21taskset08:05:033
590999151,11cyclictest77675-21taskset08:00:483
590999151,11cyclictest59061-21turbostat07:50:013
590999151,11cyclictest414885-21taskset12:30:093
590999151,11cyclictest414044-21taskset12:25:523
590999151,11cyclictest401438-21taskset12:16:223
590999151,11cyclictest351130-21taskset11:40:043
590999151,11cyclictest300018-21chrt11:00:123
590999151,11cyclictest287277-21taskset10:50:023
590999151,11cyclictest173502-21taskset09:20:013
590999151,11cyclictest122049-21taskset08:36:143
590999150,12cyclictest84801-21chrt08:10:133
590999150,12cyclictest179810-21chrt09:25:073
590999141,11cyclictest166357-21taskset09:10:563
590999141,11cyclictest166357-21taskset09:10:563
5909991411,1cyclictest0-21swapper/309:50:183
5909991411,1cyclictest0-21swapper/308:30:153
590999140,11cyclictest392373-21taskset12:10:173
590999140,10cyclictest312866-21taskset11:10:103
3883402130,9sleep1388471-21cat12:05:231
307598130,3rtkit-daemon395465-21/usr/sbin/munin12:15:011
460392120,3sleep146118-21grep07:37:221
3981042121,8sleep2400181-21cut12:15:182
3116702121,8sleep1311929-21/usr/sbin/munin11:05:231
307598120,7rtkit-daemon99119-21grep08:20:181
307598120,7rtkit-daemon716-21ntpd10:59:061
307598120,3rtkit-daemon115227-21ps08:30:211
1924222121,7sleep2192455-21apt-get09:35:132
1874872120,9sleep1189452-21cut09:30:191
426492117,2sleep20-21swapper/207:35:192
307598110,6rtkit-daemon173722-21fschecks_count09:20:151
307598110,2rtkit-daemon116289-21apt-get08:35:121
307598110,1rtkit-daemon0-21swapper/107:57:291
2105102110,8sleep0210632-21cat09:45:240
14382110,7sleep03469-21tr07:05:190
596572100,7sleep160479-21sed07:50:171
3893902100,3sleep2389542-21df_inode12:10:132
307598100,6rtkit-daemon493-21gmain07:21:520
307598100,6rtkit-daemon468-21systemd-logind11:43:441
307598100,3rtkit-daemon217-21plymouthd10:01:131
121202101,5sleep012420-21munin-node07:15:010
1046432100,7sleep1105818-21tr08:25:151
97485290,6sleep297517-21grep08:20:152
77154291,6sleep077207-21grep08:00:210
421214291,4sleep1421247-21apt-get12:35:131
360713290,1sleep00-21swapper/011:45:180
351448290,6sleep2351540-21irqcore11:40:162
331863291,4sleep2331896-21apt-get11:25:132
325836291,2sleep20-21swapper/211:20:162
325836291,2sleep20-21swapper/211:20:152
30759890,5rtkit-daemon716-21ntpd09:26:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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