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2026-04-19 - 13:47
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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 the highest latencies:
System rack1slot3.osadl.org (updated Sun Apr 19, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1907249991411,1cyclictest0-21swapper/307:50:113
190724999140,12cyclictest0-21swapper/312:05:123
1907249991310,1cyclictest0-21swapper/310:15:013
190724999130,8cyclictest0-21swapper/309:25:123
190724999120,8cyclictest0-21swapper/308:25:123
190724999120,1cyclictest0-21swapper/311:35:123
190724999120,11cyclictest0-21swapper/309:15:123
190724999120,11cyclictest0-21swapper/309:00:113
190724999120,11cyclictest0-21swapper/308:15:113
190724999120,11cyclictest0-21swapper/308:00:123
1907249991111,0cyclictest0-21swapper/308:35:133
1907249991110,1cyclictest0-21swapper/310:00:093
190724999110,11cyclictest0-21swapper/308:50:003
190724999110,10cyclictest0-21swapper/312:25:183
190724999110,10cyclictest0-21swapper/311:50:153
190724999110,10cyclictest0-21swapper/311:45:193
190724999110,10cyclictest0-21swapper/310:25:013
190724999110,10cyclictest0-21swapper/308:55:013
190724999110,0cyclictest0-21swapper/312:20:123
190724999110,0cyclictest0-21swapper/310:15:123
190724999110,0cyclictest0-21swapper/309:55:133
190724999110,0cyclictest0-21swapper/307:55:173
190724999109,0cyclictest0-21swapper/311:15:153
190724999109,0cyclictest0-21swapper/310:55:103
190724999109,0cyclictest0-21swapper/310:30:143
190724999109,0cyclictest0-21swapper/307:35:093
1907249991010,0cyclictest0-21swapper/311:20:133
1907249991010,0cyclictest0-21swapper/311:05:153
1907249991010,0cyclictest0-21swapper/309:20:113
1907249991010,0cyclictest0-21swapper/307:25:103
1907249991010,0cyclictest0-21swapper/307:15:003
190724999100,9cyclictest0-21swapper/310:50:123
190724999100,0cyclictest0-21swapper/310:10:023
190724999100,0cyclictest0-21swapper/308:35:003
19072499999,0cyclictest0-21swapper/310:45:133
19072499999,0cyclictest0-21swapper/310:20:193
19072499999,0cyclictest0-21swapper/309:45:133
19072499999,0cyclictest0-21swapper/308:55:193
19072499999,0cyclictest0-21swapper/307:30:123
19072499999,0cyclictest0-21swapper/307:14:553
19072499998,0cyclictest0-21swapper/312:10:193
19072499988,0cyclictest0-21swapper/312:35:143
19072499988,0cyclictest0-21swapper/312:16:433
19072499988,0cyclictest0-21swapper/312:00:183
19072499988,0cyclictest0-21swapper/311:30:193
19072499988,0cyclictest0-21swapper/307:45:013
19072499987,1cyclictest26450irq/132-ahci[0000:00:17.0]09:09:563
19072499980,7cyclictest0-21swapper/310:40:113
1905854282,4sleep30-21swapper/307:05:143
19072499977,0cyclictest0-21swapper/311:26:313
19072499977,0cyclictest0-21swapper/307:20:173
19072499970,6cyclictest0-21swapper/312:30:143
19072499970,6cyclictest0-21swapper/308:40:153
19072499966,0cyclictest0-21swapper/311:55:193
19072499966,0cyclictest0-21swapper/311:00:123
19072499966,0cyclictest0-21swapper/309:35:013
19072499966,0cyclictest0-21swapper/309:35:013
19072499966,0cyclictest0-21swapper/308:20:123
19072499966,0cyclictest0-21swapper/308:10:013
19072499964,1cyclictest356-1kworker/3:1H+kblockd11:40:033
2019495250,2sleep12019521-21apt-get11:45:141
2007718250,2sleep02007850-21ps11:15:190
19072499955,0cyclictest0-21swapper/311:10:123
19072499955,0cyclictest0-21swapper/310:35:143
19072499955,0cyclictest0-21swapper/309:50:123
19072499955,0cyclictest0-21swapper/309:40:113
19072499955,0cyclictest0-21swapper/309:30:023
19072499955,0cyclictest0-21swapper/309:12:413
19072499955,0cyclictest0-21swapper/308:05:213
19072499954,0cyclictest0-21swapper/307:40:113
1913569240,4sleep20-21swapper/207:24:102
1906827242,1sleep20-21swapper/207:06:372
1906749241,2sleep10-21swapper/107:05:361
2036105232,1sleep0766-21snmpd12:21:540
2033148230,1sleep12033299-21ntp_states12:15:181
2029414230,2sleep22029416-21ssh12:05:282
1964657230,2sleep11964660-21cron09:35:011
1950989230,1sleep21951015-21apt-get09:00:112
1927756230,2sleep21927861-21hostname08:00:132
1905925231,1sleep00-21swapper/007:05:140
2036868220,1sleep02037138-21df_inode12:25:150
2032993220,1sleep02033147-21/usr/sbin/munin12:15:170
2031187220,0sleep00-21swapper/012:10:180
2026021220,1sleep02026079-21sh12:00:140
2022041220,1sleep02022193-21memory11:50:160
2020141220,1sleep20-21swapper/211:45:182
2017411220,1sleep02017437-21apt-get11:40:120
2017133220,1sleep12017152-21latency_hist11:40:001
1997152220,1sleep01997302-21ntp_states10:50:170
1994454220,1sleep00-21swapper/010:45:120
1991768220,0sleep20-21swapper/210:37:062
1989537220,1sleep00-21swapper/010:30:470
1982101220,1sleep01982348-21diskstats10:15:140
1978745220,1sleep21978996-21users10:05:202
1970111220,1sleep01970393-21users09:45:210
1961826220,1sleep00-21swapper/009:25:200
1960861220,0sleep11960887-21apt-get09:25:121
1958601220,1sleep21958608-21latency_hist09:20:002
1951143220,1sleep01951414-21df_inode09:00:130
1945237220,1sleep11945238-21/usr/sbin/munin08:45:131
1937692220,1sleep21937990-21df08:25:142
1936976220,0sleep00-21swapper/008:20:350
1930430220,1sleep11930604-21sh08:05:201
1922113220,1sleep11922400-21df07:45:151
1918865220,0sleep00-21swapper/007:35:170
1909057220,1sleep11909652-21sed07:15:001
2040860210,0sleep10-21swapper/112:35:051
2040857210,0sleep00-21swapper/012:35:040
2040621210,0sleep20-21swapper/212:35:022
2040372210,0sleep20-21swapper/212:32:492
2040113210,0sleep10-21swapper/112:30:271
2037139210,0sleep10-21swapper/112:25:161
2036713210,0sleep20-21swapper/212:25:122
2036028210,0sleep20-21swapper/212:21:132
2033965210,0sleep20-21swapper/212:16:362
2030678210,0sleep10-21swapper/112:10:151
2028386210,0sleep10-21swapper/112:05:141
2028190210,0sleep00-21swapper/012:05:130
2026081210,0sleep10-21swapper/112:00:141
2025288210,0sleep20-21swapper/211:55:592
2023990210,0sleep10-21swapper/111:55:141
2023919210,0sleep00-21swapper/011:55:130
2023175210,0sleep20-21swapper/211:53:022
2021321210,0sleep10-21swapper/111:50:011
2021246210,0sleep00-21swapper/011:49:250
2018209210,0sleep20-21swapper/211:40:182
2017440210,0sleep10-21swapper/111:40:131
2015922210,0sleep20-21swapper/211:35:172
2015687210,0sleep00-21swapper/011:35:150
2014837210,0sleep10-21swapper/111:33:051
2013355210,0sleep00-21swapper/011:30:160
2011579210,0sleep10-21swapper/111:25:161
2011304210,0sleep00-21swapper/011:25:140
2011144210,0sleep20-21swapper/211:25:132
2010580210,1sleep10-21swapper/111:22:151
2009781210,0sleep00-21swapper/011:20:180
2008000210,0sleep20-21swapper/211:15:212
2007245210,0sleep10-21swapper/111:15:161
2006255210,0sleep10-21swapper/111:11:021
2005029210,0sleep00-21swapper/011:10:130
2004875210,0sleep22004901-21apt-get11:10:122
2004333210,1sleep00-21swapper/011:07:260
2004116210,0sleep10-21swapper/111:05:311
2003242210,0sleep20-21swapper/211:05:152
2002352211,0sleep1351ktimers/111:03:191
2002215210,0sleep00-21swapper/011:02:060
2000706210,0sleep20-21swapper/211:00:082
2000301210,0sleep00-21swapper/010:58:490
1997926210,0sleep10-21swapper/110:51:101
1995132210,0sleep10-21swapper/110:45:181
1994447210,0sleep20-21swapper/210:45:112
1993676210,0sleep20-21swapper/210:40:212
1992895210,0sleep00-21swapper/010:40:160
1992412210,0sleep10-21swapper/110:40:121
1991175210,0sleep00-21swapper/010:35:200
1990015210,0sleep10-21swapper/110:35:011
1989680210,0sleep10-21swapper/110:32:041
1988190210,0sleep20-21swapper/210:30:132
1986599210,0sleep20-21swapper/210:25:172
1986525210,0sleep10-21swapper/110:25:171
1984917210,0sleep00-21swapper/010:20:190
1984022210,0sleep20-21swapper/210:20:132
1984005210,0sleep10-21swapper/110:20:041
1982349210,0sleep10-21swapper/110:15:151
1981916210,0sleep20-21swapper/210:15:122
1980336210,0sleep20-21swapper/210:10:172
1979532210,0sleep00-21swapper/010:10:030
1979222210,0sleep00-21swapper/010:07:170
1975350210,0sleep00-21swapper/010:00:010
1974815210,0sleep00-21swapper/009:55:220
1973779210,0sleep20-21swapper/209:55:162
1973358210,0sleep10-21swapper/109:55:031
1972785210,0sleep20-21swapper/209:50:432
1971531210,0sleep00-21swapper/009:50:120
1970928210,0sleep10-21swapper/109:50:011
1970461210,0sleep20-21swapper/209:45:542
1968845210,0sleep10-21swapper/109:45:021
1967978210,0sleep20-21swapper/209:40:192
1967804210,0sleep10-21swapper/109:40:181
1967046210,0sleep00-21swapper/009:40:130
1966408210,1sleep00-21swapper/009:37:050
1966408210,1sleep00-21swapper/009:37:040
1964910210,1sleep2766-21snmpd09:35:102
1964910210,1sleep2766-21snmpd09:35:092
1964435210,0sleep20-21swapper/209:32:422
1964387210,1sleep00-21swapper/009:32:150
1960890210,0sleep20-21swapper/209:25:132
1960411210,0sleep10-21swapper/109:22:491
1958526210,0sleep00-21swapper/009:19:180
1956826210,0sleep10-21swapper/109:15:031
1956208210,0sleep20-21swapper/209:11:202
1955461210,0sleep10-21swapper/109:10:161
1955309210,0sleep00-21swapper/009:10:150
1953336210,0sleep10-21swapper/109:05:161
1952898210,0sleep20-21swapper/209:05:132
1951953210,0sleep10-21swapper/109:00:181
1950563210,0sleep20-21swapper/208:58:042
1948498210,0sleep20-21swapper/208:51:042
1948076210,0sleep10-21swapper/108:50:181
1946898210,0sleep00-21swapper/008:50:010
1945854210,0sleep20-21swapper/208:45:182
1945656210,1sleep00-21swapper/008:45:170
1944640210,1sleep00-21swapper/008:40:330
1941559210,0sleep20-21swapper/208:35:142
1941394210,0sleep01941420-21apt-get08:35:120
1940277210,0sleep00-21swapper/008:30:200
1939484210,0sleep20-21swapper/208:30:142
1938066210,0sleep00-21swapper/008:25:150
1937560210,0sleep10-21swapper/108:25:051
1937320210,0sleep10-21swapper/108:25:001
1935235210,0sleep10-21swapper/108:18:051
1934518210,0sleep20-21swapper/208:15:182
1933723210,0sleep00-21swapper/008:15:120
1932391210,0sleep10-21swapper/108:10:151
1931303210,0sleep20-21swapper/208:10:012
1930606210,0sleep20-21swapper/208:05:202
1930322210,0sleep00-21swapper/008:05:190
1928225210,0sleep10-21swapper/108:00:161
1928153210,0sleep00-21swapper/008:00:150
1926408210,0sleep20-21swapper/207:55:152
1925291210,1sleep00-21swapper/007:51:420
1922004210,0sleep00-21swapper/007:45:130
1918575210,0sleep20-21swapper/207:35:152
1917953210,0sleep10-21swapper/107:35:021
1917260210,1sleep00-21swapper/007:32:280
1916686210,0sleep10-21swapper/107:30:171
1915357210,0sleep10-21swapper/107:27:381
1914046210,0sleep00-21swapper/007:25:130
1913880210,0sleep20-21swapper/207:25:102
1912750210,0sleep10-21swapper/107:20:171
1912618210,0sleep00-21swapper/007:20:160
1911695210,0sleep00-21swapper/007:19:550
1909653210,0sleep20-21swapper/207:15:012
1908013210,0sleep10-21swapper/107:10:171
1907889210,0sleep00-21swapper/007:10:160
2038776200,0sleep00-21swapper/012:30:020
2034613200,0sleep10-21swapper/112:20:041
2030425200,0sleep20-21swapper/212:10:042
2026000200,0sleep20-21swapper/212:00:022
2012974200,0sleep20-21swapper/211:30:022
2009049200,0sleep20-21swapper/211:20:042
1998597200,0sleep20-21swapper/210:55:022
1998594200,0sleep10-21swapper/110:55:011
1996514200,0sleep20-21swapper/210:50:032
1986083200,0sleep00-21swapper/010:25:040
1979765200,0sleep10-21swapper/110:10:041
1977682200,0sleep10-21swapper/110:05:031
1975606200,0sleep20-21swapper/210:00:032
1975605200,0sleep10-21swapper/110:00:021
1964899200,0sleep10-21swapper/109:35:051
1964899200,0sleep10-21swapper/109:35:041
1958862200,0sleep20-21swapper/209:20:052
1958858200,0sleep00-21swapper/009:20:030
1952884200,0sleep00-21swapper/009:05:030
1949042200,0sleep10-21swapper/108:55:031
1948809200,0sleep00-21swapper/008:55:020
1943312200,0sleep20-21swapper/208:40:032
1943057200,0sleep10-21swapper/108:40:021
1941146200,0sleep10-21swapper/108:35:011
1939232200,0sleep10-21swapper/108:30:011
1935390200,0sleep20-21swapper/208:20:012
1931800200,0sleep00-21swapper/008:10:020
1925785200,0sleep10-21swapper/107:55:021
1925784200,0sleep00-21swapper/007:55:010
1923876200,0sleep20-21swapper/207:50:042
1923875200,0sleep10-21swapper/107:50:031
1921965200,0sleep20-21swapper/207:45:042
1920055200,0sleep20-21swapper/207:40:022
1920054200,0sleep10-21swapper/107:40:011
1919798200,0sleep00-21swapper/007:40:010
1915781200,0sleep20-21swapper/207:30:022
1907131200,0sleep20-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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