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2025-12-14 - 15:16
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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
Characteristics of all highest latencies:
System rackcslot4.osadl.org (updated Sun Dec 14, 2025 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19832452312269,29sleep00-21swapper/007:08:500
19831632259192,51sleep10-21swapper/107:07:561
179699580,7rtkit-daemon1795-21rtkit-daemon09:40:120
179699540,3rtkit-daemon1795-21rtkit-daemon10:05:240
198354199532,32cyclictest1983865-40apt-check07:10:120
179699530,3rtkit-daemon1795-21rtkit-daemon09:51:210
198354199521,32cyclictest2034371-21apt-get09:15:130
179699510,3rtkit-daemon1795-21rtkit-daemon08:53:570
198354199491,32cyclictest2042596-21apt-get09:35:140
198354199491,31cyclictest2040651-21apt-get09:30:130
198354199491,30cyclictest2106082-21apt-get12:15:070
198354199491,29cyclictest2057971-21apt-get10:15:070
179699490,4rtkit-daemon1795-21rtkit-daemon12:23:050
179699490,4rtkit-daemon1795-21rtkit-daemon07:19:511
179699490,3rtkit-daemon1795-21rtkit-daemon09:25:250
198354199488,23cyclictest2077772-21sed11:00:240
198354199488,22cyclictest2050550-21expr09:55:150
198354199481,31cyclictest2016827-21apt-get08:30:130
198354199480,31cyclictest2052353-21apt-get10:00:140
198354199478,22cyclictest2080732-21expr11:10:150
198354199471,30cyclictest2114497-21apt-get12:35:140
198354199471,29cyclictest2093995-21apt-get11:45:060
198354199471,27cyclictest2068937-21sed10:40:170
198354199470,31cyclictest2090295-21apt-get11:35:130
198354199470,31cyclictest2064445-21apt-get10:30:140
198354199470,21cyclictest2104725-21expr12:10:180
198354199469,24cyclictest2110588-21/usr/sbin/munin12:25:200
198354199469,24cyclictest2110588-21/usr/sbin/munin12:25:190
198354199461,30cyclictest2001460-21apt-get07:50:220
198354199461,30cyclictest1996790-21apt-get07:40:120
198354199460,30cyclictest2096554-21apt-get11:50:120
179699460,4rtkit-daemon1795-21rtkit-daemon12:08:380
179699460,3rtkit-daemon1795-21rtkit-daemon09:01:260
198354199450,32cyclictest1986558-21apt-get07:15:120
198354199450,31cyclictest2066387-21apt-get10:35:110
1983541994410,17cyclictest2089000-21needreboot11:30:190
198354199440,31cyclictest2033205-21awk09:10:230
198354199440,1cyclictest0-21swapper/011:44:480
198354199431,30cyclictest2074640-21cnf-update-db10:55:080
198354199431,30cyclictest2072222-21/usr/sbin/munin10:50:160
198354199431,30cyclictest2060875-21perl10:20:180
198354199431,30cyclictest1995542-21awk07:35:220
198354199431,26cyclictest2113635-21sed12:30:240
198354199430,31cyclictest2021519-21awk08:40:210
198354199430,30cyclictest2062500-21apt-get10:25:130
198354199430,29cyclictest2022684-21apt-get08:45:140
198354199430,23cyclictest1989999-21find07:20:260
198354199421,24cyclictest2037550-21awk09:20:260
198354199421,24cyclictest2005759-21sed08:00:180
198354199421,24cyclictest1999834-21sed07:45:230
198354199420,30cyclictest2056238-21apt-get10:10:110
198354199420,29cyclictest2070639-21perl10:45:190
198354199420,29cyclictest2009368-21perl08:10:180
198354199420,29cyclictest2003942-21ntpq07:55:210
198354199420,28cyclictest2101374-21/usr/sbin/munin12:00:220
198354199420,26cyclictest2011742-21ntpq08:15:210
198354199420,22cyclictest2084467-21apt-get11:20:120
198354199420,21cyclictest2007856-21ntpq08:05:210
198354199411,28cyclictest2078952-21perl11:05:170
198354199410,30cyclictest2031539-21find09:05:240
198354199410,29cyclictest2014868-21/usr/sbin/munin08:25:170
198354199410,25cyclictest2087519-21sed11:25:240
198354199410,25cyclictest2082550-21awk11:15:150
198354199410,24cyclictest1993595-21ntpq07:30:230
198354199410,24cyclictest1991442-21sed07:25:230
198354199410,22cyclictest2046512-21grep09:45:150
198354199402,21cyclictest0-21swapper/008:22:480
198354199400,28cyclictest2098494-21apt-get11:55:110
198354199400,28cyclictest2027333-21ntpq08:55:210
198354199400,28cyclictest2018758-21/usr/sbin/munin08:35:170
179699380,3rtkit-daemon0-21swapper/110:35:281
179699370,3rtkit-daemon0-21swapper/108:10:301
179699370,3rtkit-daemon0-21swapper/007:12:171
179699360,3rtkit-daemon0-21swapper/110:58:131
179699350,3rtkit-daemon0-21swapper/110:13:301
179699350,3rtkit-daemon0-21swapper/011:44:381
179699350,3rtkit-daemon0-21swapper/009:33:381
179699340,3rtkit-daemon0-21swapper/011:25:221
179699340,3rtkit-daemon0-21swapper/009:47:181
179699340,3rtkit-daemon0-21swapper/008:54:301
179699330,4rtkit-daemon1795-21rtkit-daemon07:40:021
179699330,3rtkit-daemon0-21swapper/111:00:461
179699330,3rtkit-daemon0-21swapper/012:33:191
179699330,3rtkit-daemon0-21swapper/008:39:551
179699320,3rtkit-daemon0-21swapper/012:22:101
179699320,3rtkit-daemon0-21swapper/012:01:491
179699320,3rtkit-daemon0-21swapper/009:25:531
179699320,3rtkit-daemon0-21swapper/009:14:451
179699320,3rtkit-daemon0-21swapper/008:41:011
1983547993128,2cyclictest18150irq/39-mmc007:37:311
179699310,3rtkit-daemon0-21swapper/012:16:201
179699310,3rtkit-daemon0-21swapper/012:09:451
179699310,3rtkit-daemon0-21swapper/009:39:451
179699310,3rtkit-daemon0-21swapper/009:18:251
179699300,3rtkit-daemon1795-21rtkit-daemon08:15:021
1983547992918,6cyclictest2036721-40apt-check09:20:161
179699290,4rtkit-daemon1795-21rtkit-daemon07:52:441
179699290,3rtkit-daemon0-21swapper/011:22:551
1983547992814,3cyclictest2018587-21munin-run08:34:591
179699280,3rtkit-daemon0-21swapper/011:50:571
179699280,3rtkit-daemon0-21swapper/010:24:481
179699280,3rtkit-daemon0-21swapper/009:41:071
179699280,23rtkit-daemon1983533-21cyclictest09:54:531
198354799278,8cyclictest808-21rs:main1
198354799270,6cyclictest0-21swapper/112:38:261
179699270,22rtkit-daemon1983533-21cyclictest11:57:171
198354799263,15cyclictest2026570-21apt-get08:55:141
198354799260,7cyclictest0-21swapper/107:34:491
179699260,1rtkit-daemon1795-21rtkit-daemon08:04:091
1983547992520,3cyclictest26-21ksoftirqd/108:30:011
198354799250,6cyclictest0-21swapper/109:01:201
198354799250,6cyclictest0-21swapper/107:27:191
198354799243,15cyclictest2062500-21apt-get10:25:141
198354799240,6cyclictest0-21swapper/108:21:491
179699240,4rtkit-daemon1795-21rtkit-daemon12:13:061
179699240,19rtkit-daemon1983533-21cyclictest12:27:401
179699240,19rtkit-daemon1983533-21cyclictest12:27:401
198354799230,6cyclictest0-21swapper/109:09:521
179699230,4rtkit-daemon1795-21rtkit-daemon11:16:451
198354799223,10cyclictest2068352-21apt-get10:40:131
198354799222,14cyclictest2070301-21apt-get10:45:161
1983547992213,7cyclictest2073190-21systemctl10:50:241
1983547992211,8cyclictest2003381-21df_inode07:55:141
198354799220,6cyclictest0-21swapper/108:07:221
198354799220,20cyclictest0-21swapper/110:10:001
198354799213,11cyclictest1998729-21apt-get07:45:111
198354799212,17cyclictest2078919-21tune2fs11:05:171
198354799212,17cyclictest0-21swapper/111:45:171
198354799211,18cyclictest1990684-21munin-run07:25:011
179699210,3rtkit-daemon1795-21rtkit-daemon09:56:201
198354799202,2cyclictest26-21ksoftirqd/110:03:011
198354799202,17cyclictest2060418-21cat10:20:011
1983547992016,2cyclictest2082359-21wc11:15:001
1983547991915,2cyclictest2066249-21latency_hist10:35:001
1983547991913,4cyclictest2089293-21sendmail_mailst11:30:221
198354799191,17cyclictest0-21swapper/111:38:191
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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