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2026-04-18 - 16:05
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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 792 highest latencies:
System rack1slot3.osadl.org (updated Sat Apr 18, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1971952991313,0cyclictest0-21swapper/308:30:193
197195299130,11cyclictest0-21swapper/308:50:133
1971952991212,0cyclictest0-21swapper/311:20:183
1971952991211,0cyclictest0-21swapper/309:40:193
197195299120,11cyclictest0-21swapper/309:50:243
197195299120,11cyclictest0-21swapper/309:00:183
197195299120,11cyclictest0-21swapper/309:00:183
197195299120,10cyclictest0-21swapper/311:55:123
1971952991111,0cyclictest0-21swapper/311:25:183
1971952991111,0cyclictest0-21swapper/309:30:563
1971952991111,0cyclictest0-21swapper/307:15:013
197195299110,10cyclictest0-21swapper/311:15:013
197195299110,10cyclictest0-21swapper/309:35:133
197195299110,0cyclictest0-21swapper/312:25:123
197195299110,0cyclictest0-21swapper/311:35:163
197195299110,0cyclictest0-21swapper/308:00:183
197195299110,0cyclictest0-21swapper/307:30:143
197195299109,1cyclictest0-21swapper/307:45:133
197195299109,0cyclictest0-21swapper/308:09:013
1971952991010,0cyclictest0-21swapper/312:10:123
1971952991010,0cyclictest0-21swapper/311:40:183
1971952991010,0cyclictest0-21swapper/310:50:013
1971952991010,0cyclictest0-21swapper/310:20:003
1971952991010,0cyclictest0-21swapper/309:25:203
1971952991010,0cyclictest0-21swapper/309:15:133
1971952991010,0cyclictest0-21swapper/309:10:143
1971952991010,0cyclictest0-21swapper/308:25:123
1971952991010,0cyclictest0-21swapper/308:20:163
1971952991010,0cyclictest0-21swapper/307:50:123
197195299100,0cyclictest0-21swapper/312:10:023
19719529999,0cyclictest0-21swapper/311:45:183
19719529999,0cyclictest0-21swapper/310:30:193
19719529999,0cyclictest0-21swapper/310:30:003
19719529999,0cyclictest0-21swapper/309:50:013
19719529999,0cyclictest0-21swapper/307:10:173
19719529997,1cyclictest0-21swapper/312:15:123
19719529988,0cyclictest0-21swapper/312:33:483
19719529988,0cyclictest0-21swapper/311:15:193
19719529988,0cyclictest0-21swapper/310:00:123
19719529988,0cyclictest0-21swapper/307:37:393
19719529987,1cyclictest0-21swapper/311:05:133
19719529987,0cyclictest0-21swapper/310:55:133
19719529980,7cyclictest0-21swapper/307:25:183
19719529977,0cyclictest0-21swapper/310:42:373
19719529977,0cyclictest0-21swapper/310:10:273
19719529977,0cyclictest0-21swapper/310:10:013
19719529977,0cyclictest0-21swapper/309:57:203
19719529977,0cyclictest0-21swapper/308:15:123
19719529976,0cyclictest0-21swapper/311:55:023
19719529976,0cyclictest0-21swapper/311:00:173
19719529976,0cyclictest0-21swapper/308:10:153
19719529970,0cyclictest0-21swapper/309:05:183
19719529966,0cyclictest0-21swapper/310:35:003
19719529966,0cyclictest0-21swapper/310:23:493
19719529966,0cyclictest0-21swapper/309:20:133
19719529966,0cyclictest0-21swapper/307:40:123
19719529965,0cyclictest0-21swapper/311:30:113
19719529960,6cyclictest0-21swapper/310:50:183
1971537260,1sleep10-21swapper/107:06:221
1970979261,3sleep30-21swapper/307:05:193
19719529955,0cyclictest0-21swapper/312:04:563
19719529955,0cyclictest0-21swapper/307:55:133
19719529954,0cyclictest0-21swapper/312:20:153
19719529954,0cyclictest0-21swapper/308:45:133
19719529950,4cyclictest0-21swapper/308:58:023
19719529950,3cyclictest0-21swapper/307:20:013
1970257250,3sleep21970504-21grep07:05:142
2093803240,3sleep02093909-21/usr/sbin/munin12:05:190
19719529944,0cyclictest0-21swapper/308:40:153
19719529943,0cyclictest0-21swapper/308:35:033
19719529940,2cyclictest0-21swapper/312:35:133
2101389230,1sleep02101415-21apt-get12:25:120
2034895230,2sleep22035072-21python309:45:282
1998311230,1sleep21998607-21df08:15:142
1970156231,1sleep00-21swapper/007:05:090
2105175220,1sleep22105179-21ssh12:33:542
2098615220,0sleep00-21swapper/012:16:190
2074662220,1sleep22074724-21idleruntime11:20:142
2051419220,1sleep00-21swapper/010:25:160
2050518220,1sleep02050650-21cat10:25:010
2048363220,1sleep00-21swapper/010:19:360
2023188220,0sleep00-21swapper/009:16:050
2021559220,1sleep12021645-21latency_hist09:15:011
2021049220,1sleep22021106-21sshd09:10:222
2017887220,0sleep10-21swapper/109:05:121
2014045220,1sleep20-21swapper/208:55:132
2002826220,1sleep12002997-21/usr/sbin/munin08:25:191
1990708220,1sleep20-21swapper/207:55:132
1989232220,1sleep20-21swapper/207:50:172
1986186220,1sleep21986469-21apt-config07:45:002
1982594220,1sleep01982859-21diskstats07:35:140
1980519220,1sleep00-21swapper/007:30:140
1978665220,1sleep11978607-21/usr/sbin/munin07:25:141
1977121220,1sleep21977198-21cat07:20:152
1972153222,0sleep00-21swapper/007:10:120
2106201210,0sleep10-21swapper/112:35:171
2105544210,0sleep20-21swapper/212:35:062
2103956210,0sleep00-21swapper/012:30:160
2103217210,0sleep10-21swapper/112:30:011
2102180210,0sleep20-21swapper/212:25:182
2101418210,0sleep10-21swapper/112:25:131
2099792210,0sleep00-21swapper/012:20:170
2099321210,0sleep10-21swapper/112:20:141
2099034210,0sleep20-21swapper/212:20:032
2097203210,0sleep10-21swapper/112:15:121
2096948210,0sleep20-21swapper/212:15:012
2096058210,0sleep00-21swapper/012:10:190
2095145210,0sleep20-21swapper/212:10:132
2095121210,0sleep10-21swapper/112:10:121
2094085210,0sleep20-21swapper/212:05:222
2093328210,0sleep10-21swapper/112:05:161
2091578210,0sleep20-21swapper/212:00:162
2091336210,0sleep00-21swapper/012:00:140
2090960210,0sleep10-21swapper/112:00:111
2090197210,0sleep00-21swapper/011:55:430
2090170210,0sleep10-21swapper/111:55:271
2087852210,0sleep20-21swapper/211:50:202
2087152210,0sleep10-21swapper/111:50:151
2086875210,0sleep00-21swapper/011:50:140
2086137210,0sleep10-21swapper/111:46:381
2083340210,0sleep00-21swapper/011:40:170
2083046210,0sleep20-21swapper/211:40:162
2082588210,0sleep10-21swapper/111:40:031
2082237210,1sleep00-21swapper/011:39:090
2080488210,0sleep20-21swapper/211:35:032
2080444210,0sleep10-21swapper/111:35:021
2079393210,0sleep00-21swapper/011:30:160
2078419210,0sleep10-21swapper/111:30:091
2078404210,0sleep20-21swapper/211:30:022
2076342210,0sleep00-21swapper/011:25:120
2076087210,0sleep10-21swapper/111:25:011
2074259210,0sleep00-21swapper/011:20:120
2073984210,0sleep10-21swapper/111:20:011
2072865210,0sleep20-21swapper/211:15:172
2072155210,0sleep12072181-21apt-get11:15:131
2072136210,0sleep00-21swapper/011:15:040
2071398210,0sleep10-21swapper/111:10:321
2070842210,0sleep20-21swapper/211:10:172
2069448210,0sleep10-21swapper/111:09:041
2068249210,0sleep20-21swapper/211:05:172
2067917210,0sleep00-21swapper/011:05:150
2067034210,0sleep10-21swapper/111:01:051
2066082210,0sleep00-21swapper/011:00:150
2064347210,0sleep10-21swapper/110:55:191
2063983210,0sleep22064065-21irqstats10:55:162
2063587210,0sleep00-21swapper/010:55:140
2062849210,0sleep10-21swapper/110:51:031
2061463210,0sleep20-21swapper/210:50:122
2060976210,0sleep20-21swapper/210:47:572
2060206210,0sleep00-21swapper/010:45:180
2059036210,0sleep00-21swapper/010:44:090
2058313210,0sleep10-21swapper/110:40:181
2055919210,0sleep10-21swapper/110:35:181
2055382210,0sleep20-21swapper/210:35:152
2054945210,0sleep00-21swapper/010:35:020
2053539210,0sleep20-21swapper/210:30:152
2052596210,0sleep00-21swapper/010:30:010
2051705210,0sleep20-21swapper/210:25:182
2050651210,0sleep10-21swapper/110:25:011
2049120210,0sleep20-21swapper/210:20:152
2048855210,0sleep10-21swapper/110:20:141
2047887210,0sleep20-21swapper/210:15:222
2046584210,0sleep10-21swapper/110:15:131
2045740210,0sleep00-21swapper/010:10:190
2044248210,0sleep10-21swapper/110:10:001
2043808210,0sleep20-21swapper/210:06:062
2042449210,0sleep00-21swapper/010:05:110
2041718210,0sleep20-21swapper/210:01:012
2040771210,0sleep00-21swapper/010:00:150
2040329210,0sleep10-21swapper/110:00:041
2039865210,0sleep20-21swapper/209:58:132
2039645211,0sleep00-21swapper/009:56:150
2036317210,0sleep20-21swapper/209:50:162
2036163210,0sleep00-21swapper/009:50:140
2034127210,0sleep10-21swapper/109:45:231
2034098210,0sleep00-21swapper/009:45:220
2033383210,1sleep10-21swapper/109:41:041
2031995210,0sleep20-21swapper/209:40:122
2031580210,1sleep22031584-21ssh09:38:472
2031367210,0sleep00-21swapper/009:36:450
2028697210,0sleep10-21swapper/109:30:181
2028609210,0sleep00-21swapper/009:30:170
2028323210,0sleep20-21swapper/209:30:152
2027363210,1sleep00-21swapper/009:27:090
2026333210,0sleep10-21swapper/109:25:141
2025892210,0sleep20-21swapper/209:25:122
2025165210,1sleep00-21swapper/009:20:240
2023582210,0sleep10-21swapper/109:20:011
2021816210,0sleep10-21swapper/109:15:131
2021646210,0sleep20-21swapper/209:15:022
2019992210,0sleep00-21swapper/009:10:160
2017639210,0sleep20-21swapper/209:05:012
2015978210,0sleep20-21swapper/209:00:142
2015978210,0sleep20-21swapper/209:00:132
2015014210,0sleep10-21swapper/108:55:201
2014211210,0sleep00-21swapper/008:55:150
2012335210,0sleep10-21swapper/108:50:161
2012247210,0sleep00-21swapper/008:50:140
2011873210,0sleep20-21swapper/208:50:132
2011007210,0sleep20-21swapper/208:45:202
2008697210,0sleep10-21swapper/108:40:151
2008172210,0sleep20-21swapper/208:40:122
2007088210,0sleep20-21swapper/208:35:192
2006287210,0sleep10-21swapper/108:35:141
2005873210,0sleep00-21swapper/008:35:010
2005656210,0sleep00-21swapper/008:32:130
2005510210,0sleep10-21swapper/108:30:221
2002713210,0sleep00-21swapper/008:25:180
2002461210,0sleep20-21swapper/208:25:162
2000407210,0sleep00-21swapper/008:20:130
1999910210,0sleep10-21swapper/108:20:021
1998835210,0sleep10-21swapper/108:15:171
1998182210,1sleep00-21swapper/008:15:080
1996464210,0sleep20-21swapper/208:10:152
1996279210,0sleep00-21swapper/008:10:120
1995340210,0sleep10-21swapper/108:05:211
1994625210,0sleep00-21swapper/008:05:160
1994369210,0sleep20-21swapper/208:05:142
1993502210,0sleep00-21swapper/008:00:200
1991843210,0sleep10-21swapper/107:55:361
1990524210,0sleep00-21swapper/007:55:110
1989719210,0sleep10-21swapper/107:50:201
1989518210,0sleep00-21swapper/007:50:190
1987144210,0sleep20-21swapper/207:45:172
1986964210,0sleep10-21swapper/107:45:161
1986772210,0sleep00-21swapper/007:45:150
1986172210,0sleep00-21swapper/007:44:500
1982860210,0sleep10-21swapper/107:35:151
1982428210,0sleep20-21swapper/207:35:122
1982169210,0sleep20-21swapper/207:34:572
1980011210,1sleep00-21swapper/007:26:450
1978839210,0sleep20-21swapper/207:25:152
1976847210,0sleep10-21swapper/107:20:141
1975659210,0sleep20-21swapper/207:15:192
1973786210,0sleep00-21swapper/007:15:010
1972918210,0sleep10-21swapper/107:10:171
2105540200,0sleep00-21swapper/012:35:050
2088841200,0sleep20-21swapper/211:55:042
2084674200,0sleep20-21swapper/211:45:032
2084438200,0sleep00-21swapper/011:45:010
2076323200,0sleep20-21swapper/211:25:032
2070058200,0sleep00-21swapper/011:10:030
2065636200,0sleep20-21swapper/211:00:052
2061445200,0sleep00-21swapper/010:50:020
2059367200,0sleep10-21swapper/110:45:031
2057290200,0sleep20-21swapper/210:40:032
2053093200,0sleep10-21swapper/110:30:021
2044481200,0sleep20-21swapper/210:10:012
2042408200,0sleep10-21swapper/110:05:041
2038223200,0sleep10-21swapper/109:55:031
2036145200,0sleep10-21swapper/109:50:031
2031722200,0sleep00-21swapper/009:40:020
2029880200,0sleep10-21swapper/109:35:021
2023837200,0sleep20-21swapper/209:20:022
2017876200,0sleep00-21swapper/009:05:030
2015967200,0sleep10-21swapper/109:00:051
2015967200,0sleep10-21swapper/109:00:041
2015966200,0sleep00-21swapper/009:00:040
2015966200,0sleep00-21swapper/009:00:030
2009950200,0sleep10-21swapper/108:45:031
2009947200,0sleep00-21swapper/008:45:020
2008037200,0sleep00-21swapper/008:40:030
2004196200,0sleep20-21swapper/208:30:032
2000110200,0sleep20-21swapper/208:20:032
1996029200,0sleep10-21swapper/108:10:011
1992447200,0sleep10-21swapper/108:00:041
1992186200,0sleep20-21swapper/208:00:012
1984514200,0sleep10-21swapper/107:40:031
1980505200,0sleep10-21swapper/107:30:031
1976425200,0sleep00-21swapper/007:20:020
1974740200,0sleep10-21swapper/107:15:021
1972110200,0sleep20-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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