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2026-05-10 - 07:36
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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 Sun May 10, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198705199140,12cyclictest0-21swapper/323:25:013
198705199140,12cyclictest0-21swapper/320:50:123
198705199130,11cyclictest0-21swapper/321:35:113
198705199130,11cyclictest0-21swapper/319:25:123
198705199130,11cyclictest0-21swapper/300:25:143
198705199120,1cyclictest0-21swapper/300:10:113
198705199120,11cyclictest0-21swapper/322:00:003
198705199120,11cyclictest0-21swapper/321:25:103
198705199120,11cyclictest0-21swapper/300:35:183
1987051991111,0cyclictest0-21swapper/300:20:133
1987051991110,0cyclictest0-21swapper/320:20:113
1987051991110,0cyclictest0-21swapper/320:05:113
198705199110,8cyclictest0-21swapper/319:15:193
198705199110,11cyclictest0-21swapper/319:40:183
198705199110,10cyclictest0-21swapper/323:25:013
198705199110,10cyclictest0-21swapper/323:05:173
198705199110,10cyclictest0-21swapper/322:00:123
198705199110,10cyclictest0-21swapper/320:15:173
198705199110,0cyclictest0-21swapper/323:10:113
198705199110,0cyclictest0-21swapper/322:20:013
198705199110,0cyclictest0-21swapper/321:20:123
198705199110,0cyclictest0-21swapper/321:15:183
198705199110,0cyclictest0-21swapper/319:50:113
198705199109,0cyclictest0-21swapper/323:36:453
1987051991010,0cyclictest26450irq/132-ahci[0000:00:17.0]20:15:013
1987051991010,0cyclictest0-21swapper/323:00:133
1987051991010,0cyclictest0-21swapper/322:40:013
1987051991010,0cyclictest0-21swapper/321:50:103
198705199100,9cyclictest0-21swapper/323:20:013
198705199100,9cyclictest0-21swapper/320:00:163
198705199100,9cyclictest0-21swapper/319:15:013
198705199100,8cyclictest0-21swapper/300:00:133
198705199100,0cyclictest0-21swapper/323:55:113
198705199100,0cyclictest0-21swapper/323:00:013
19870519999,0cyclictest0-21swapper/320:55:193
19870519999,0cyclictest0-21swapper/320:45:013
19870519999,0cyclictest0-21swapper/300:15:013
19870519998,0cyclictest0-21swapper/321:10:123
19870519997,1cyclictest0-21swapper/322:25:113
19870519997,0cyclictest0-21swapper/320:00:013
19870519990,9cyclictest0-21swapper/321:05:183
19870519990,0cyclictest0-21swapper/323:45:173
19870519988,0cyclictest0-21swapper/322:30:123
19870519988,0cyclictest0-21swapper/321:30:133
19870519980,7cyclictest0-21swapper/320:30:123
19870519977,0cyclictest0-21swapper/323:45:013
19870519977,0cyclictest0-21swapper/322:45:483
19870519977,0cyclictest0-21swapper/322:10:123
19870519976,0cyclictest0-21swapper/322:05:273
19870519970,7cyclictest0-21swapper/322:40:103
19870519970,6cyclictest0-21swapper/323:32:293
19870519970,6cyclictest0-21swapper/321:05:003
1985675271,0sleep00-21swapper/019:05:150
19870519966,0cyclictest0-21swapper/322:20:163
19870519966,0cyclictest0-21swapper/320:45:123
1985596261,3sleep30-21swapper/319:05:143
19870519955,0cyclictest0-21swapper/321:45:133
19870519955,0cyclictest0-21swapper/321:43:323
19870519955,0cyclictest0-21swapper/319:22:533
19870519955,0cyclictest0-21swapper/300:34:243
2042542240,2sleep02042563-21munin-run21:30:000
2012201240,3sleep22012351-21python320:10:182
19870519943,0cyclictest0-21swapper/320:25:123
19870519943,0cyclictest0-21swapper/319:30:163
19870519940,3cyclictest2077080-21chrt22:50:113
19870519940,3cyclictest1998054-21chrt19:35:153
19870519940,2cyclictest0-21swapper/300:05:123
1986487242,1sleep10-21swapper/119:05:361
1986466242,1sleep20-21swapper/219:05:212
2110611230,0sleep10-21swapper/100:10:111
2107432230,2sleep22107645-21unixbench_multi00:00:202
2093892230,1sleep12093918-21apt-get23:30:131
2083904231,1sleep12082930-21/usr/sbin/munin23:05:191
2081283230,1sleep12081367-21irqstats23:00:161
2072225230,2sleep02072282-21munin-run22:40:010
2068049230,1sleep02068075-21apt-get22:30:120
2052503230,2sleep22052507-21ssh21:51:242
1993734230,2sleep11994009-21expr19:25:141
1993366230,2sleep01993497-21latency_hist19:25:010
19870519933,0cyclictest0-21swapper/320:35:123
19870519930,2cyclictest0-21swapper/319:45:123
19870519930,1cyclictest0-21swapper/323:50:113
2121304220,1sleep10-21swapper/100:34:571
2115864220,1sleep02116036-21python300:20:190
2105362220,1sleep10-21swapper/123:55:181
2101986220,1sleep02102021-21munin-run23:50:010
2092786220,1sleep00-21swapper/023:25:200
2091863220,1sleep22091804-21/usr/sbin/munin23:25:142
2086842220,1sleep22086900-21apt-config23:15:012
2081668220,0sleep00-21swapper/023:00:180
2079366220,1sleep02079516-21ntp_states22:55:180
2075233220,1sleep12075359-21ntp_states22:45:181
2067259220,1sleep00-21swapper/022:25:200
2066385220,1sleep22066429-21basename22:25:142
2063884220,0sleep00-21swapper/022:20:120
2054012220,1sleep02054072-21/usr/sbin/munin21:55:180
2045287220,1sleep22045440-21memory21:35:152
2040304221,1sleep02013084-21kworker/0:0+events21:22:360
2033593220,1sleep02033764-21python321:05:190
2029119220,1sleep12029384-21diskstats20:55:151
2028703220,1sleep22028737-21/usr/sbin/munin20:55:002
2013296220,1sleep12013368-21aten_r1power_en20:15:131
2005983220,1sleep22006132-21ntp_states19:55:172
2005830220,1sleep12005982-21memory19:55:161
2003453220,1sleep12003479-21apt-get19:50:111
1995691220,1sleep01995957-21diskstats19:30:130
2122863210,0sleep10-21swapper/100:35:211
2122051210,0sleep00-21swapper/000:35:160
2120595210,0sleep00-21swapper/000:30:200
2119609210,0sleep20-21swapper/200:30:142
2118265210,0sleep10-21swapper/100:25:201
2118175210,0sleep00-21swapper/000:25:190
2117860210,0sleep20-21swapper/200:25:172
2115496210,0sleep10-21swapper/100:20:161
2115064210,0sleep20-21swapper/200:20:132
2114601210,0sleep00-21swapper/000:18:230
2114000210,0sleep10-21swapper/100:15:201
2112953210,0sleep20-21swapper/200:15:132
2110194210,0sleep10-21swapper/100:08:311
2108688210,0sleep00-21swapper/000:05:140
2108529210,0sleep20-21swapper/200:05:122
2108034210,0sleep10-21swapper/100:02:511
2106176210,0sleep00-21swapper/000:00:020
2105685210,1sleep20-21swapper/223:55:522
2105635210,0sleep00-21swapper/023:55:260
2102760210,0sleep20-21swapper/223:50:152
2102234210,0sleep00-21swapper/023:50:090
2102022210,0sleep10-21swapper/123:50:021
2101125210,0sleep20-21swapper/223:45:192
2100949210,0sleep10-21swapper/123:45:181
2099654210,0sleep10-21swapper/123:42:461
2099387210,0sleep00-21swapper/023:40:250
2098072210,0sleep20-21swapper/223:40:112
2097486210,0sleep20-21swapper/223:37:142
2095723210,0sleep10-21swapper/123:35:011
2095205210,0sleep20-21swapper/223:30:262
2092327210,0sleep10-21swapper/123:25:171
2090361210,0sleep10-21swapper/123:20:201
2089557210,0sleep00-21swapper/023:20:150
2089187210,0sleep20-21swapper/223:20:012
2088899210,0sleep00-21swapper/023:17:270
2088894210,0sleep20-21swapper/223:17:252
2087805210,0sleep10-21swapper/123:15:161
2085987210,0sleep00-21swapper/023:10:190
2085012210,0sleep10-21swapper/123:10:121
2084171210,0sleep20-21swapper/223:05:202
2083115210,0sleep00-21swapper/023:05:140
2082344210,0sleep22082348-21ssh23:02:042
2080285210,0sleep20-21swapper/222:57:282
2078849210,0sleep10-21swapper/122:55:151
2078277210,0sleep20-21swapper/222:53:082
2076686210,0sleep10-21swapper/122:50:101
2076657210,0sleep02076683-21apt-get22:50:090
2076164210,0sleep00-21swapper/022:47:490
2075360210,0sleep20-21swapper/222:45:192
2074244210,0sleep00-21swapper/022:44:170
2074039210,0sleep10-21swapper/122:42:261
2072500210,0sleep20-21swapper/222:40:112
2071860210,0sleep20-21swapper/222:36:472
2069885210,0sleep10-21swapper/122:35:011
2068839210,0sleep20-21swapper/222:30:182
2067796210,0sleep10-21swapper/122:30:011
2063980210,0sleep20-21swapper/222:20:142
2063887210,0sleep10-21swapper/122:20:131
2062825210,1sleep1351ktimers/122:15:241
2061940210,0sleep00-21swapper/022:15:150
2061509210,0sleep20-21swapper/222:15:092
2061237210,0sleep10-21swapper/122:14:481
2060482210,0sleep20-21swapper/222:10:212
2059806210,0sleep00-21swapper/022:10:150
2059094210,0sleep10-21swapper/122:09:161
2057350210,0sleep00-21swapper/022:05:110
2057345210,0sleep20-21swapper/222:05:092
2057088210,0sleep10-21swapper/122:04:561
2055396210,0sleep00-21swapper/022:00:140
2055271210,0sleep20-21swapper/222:00:122
2054538210,0sleep10-21swapper/121:55:591
2051081210,0sleep10-21swapper/121:50:111
2051058210,0sleep00-21swapper/021:50:020
2050650210,0sleep00-21swapper/021:48:260
2049288210,0sleep20-21swapper/221:45:152
2046921210,0sleep10-21swapper/121:40:141
2046641210,0sleep00-21swapper/021:40:010
2044946210,0sleep00-21swapper/021:35:130
2044251210,0sleep20-21swapper/221:31:422
2043246210,0sleep00-21swapper/021:30:160
2042802210,0sleep10-21swapper/121:30:131
2040531210,0sleep10-21swapper/121:25:011
2040175210,0sleep20-21swapper/221:21:182
2040062210,0sleep10-21swapper/121:20:211
2038216210,0sleep20-21swapper/221:17:222
2037103210,0sleep00-21swapper/021:15:150
2036479210,0sleep10-21swapper/121:15:001
2036454210,0sleep20-21swapper/221:14:452
2035135210,0sleep00-21swapper/021:10:150
2033229210,0sleep10-21swapper/121:05:161
2032796210,0sleep20-21swapper/221:05:132
2031856210,0sleep10-21swapper/121:00:201
2031142210,0sleep00-21swapper/021:00:150
2029385210,0sleep20-21swapper/220:55:162
2028982210,0sleep00-21swapper/020:55:140
2028659210,1sleep00-21swapper/020:54:260
2028004210,0sleep10-21swapper/120:50:191
2026264210,0sleep00-21swapper/020:45:220
2025555210,0sleep20-21swapper/220:45:162
2021323210,0sleep00-21swapper/020:35:130
2020988210,0sleep1328-21plymouthd20:35:021
2017957210,0sleep00-21swapper/020:25:160
2017159210,0sleep10-21swapper/120:25:011
2016913210,1sleep00-21swapper/020:21:520
2016816210,0sleep10-21swapper/120:20:371
2015341210,0sleep20-21swapper/220:20:022
2014272210,0sleep00-21swapper/020:15:200
2013049210,0sleep20-21swapper/220:15:022
2012832210,0sleep00-21swapper/020:12:160
2012765210,0sleep10-21swapper/120:11:251
2010785210,0sleep10-21swapper/120:08:521
2010530210,1sleep00-21swapper/020:05:350
2010005210,0sleep20-21swapper/220:05:172
2007357210,0sleep10-21swapper/120:00:121
2003482210,0sleep20-21swapper/219:50:122
2001730210,0sleep00-21swapper/019:45:140
2001543210,0sleep20-21swapper/219:45:122
2000151210,0sleep20-21swapper/219:40:162
2000068210,0sleep10-21swapper/119:40:151
1999104210,0sleep00-21swapper/019:40:020
1998340210,0sleep10-21swapper/119:35:181
1998210210,0sleep00-21swapper/019:35:170
1997918210,0sleep20-21swapper/219:35:152
1995958210,0sleep10-21swapper/119:30:141
1995524210,0sleep20-21swapper/219:30:112
1994229210,0sleep00-21swapper/019:25:170
1991435210,0sleep10-21swapper/119:20:011
1991426210,0sleep00-21swapper/019:19:560
1988337210,0sleep10-21swapper/119:10:291
1987391210,0sleep00-21swapper/019:10:120
2121317200,0sleep20-21swapper/200:35:022
2110598200,0sleep20-21swapper/200:10:042
2110596200,0sleep00-21swapper/000:10:020
2095958200,0sleep00-21swapper/023:35:040
2093877200,0sleep00-21swapper/023:30:040
2065714200,0sleep10-21swapper/122:25:011
2053150200,0sleep20-21swapper/221:55:042
2048981200,0sleep10-21swapper/121:45:021
2046903200,0sleep20-21swapper/221:40:032
2044803200,0sleep10-21swapper/121:35:021
2040765200,0sleep20-21swapper/221:25:022
2034700200,0sleep10-21swapper/121:10:041
2030615200,0sleep20-21swapper/221:00:012
2025117200,0sleep10-21swapper/120:45:031
2023154200,0sleep20-21swapper/220:40:032
2023153200,0sleep10-21swapper/120:40:021
2022897200,0sleep00-21swapper/020:40:010
2021220200,0sleep20-21swapper/220:35:032
2019311200,0sleep00-21swapper/020:30:050
2019308200,0sleep20-21swapper/220:30:032
2019072200,0sleep10-21swapper/120:30:021
2017393200,0sleep20-21swapper/220:25:022
2007289200,0sleep20-21swapper/220:00:052
2007287200,0sleep00-21swapper/020:00:030
2005354200,0sleep00-21swapper/019:55:030
2003442200,0sleep00-21swapper/019:50:020
2001532200,0sleep10-21swapper/119:45:031
1993599200,0sleep20-21swapper/219:25:032
1991689200,0sleep20-21swapper/219:20:022
1989753200,0sleep20-21swapper/219:15:022
1989056200,0sleep10-21swapper/119:15:011
1987377200,0sleep20-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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