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2026-08-18 - 05:59
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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 highest latencies:
System rackeslot8.osadl.org (updated Tue Aug 18, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147616621240,1sleep01476149-21ntp_states20:20:260
1378681992826,1cyclictest0-21swapper/321:40:013
1378681992825,1cyclictest0-21swapper/319:45:003
1378681992724,1cyclictest0-21swapper/323:00:173
1378681992622,1cyclictest0-21swapper/320:00:143
1378681992522,1cyclictest0-21swapper/322:05:003
1378681992522,1cyclictest0-21swapper/321:45:203
1378681992320,1cyclictest0-21swapper/322:15:013
1378681992320,1cyclictest0-21swapper/321:40:183
137868199222,15cyclictest1515310-21taskset20:52:523
1378681992219,1cyclictest0-21swapper/323:20:133
1378681992219,1cyclictest0-21swapper/321:00:313
137868199221,16cyclictest1488967-21taskset20:30:233
1378681992118,1cyclictest0-21swapper/323:40:123
1378681992118,1cyclictest0-21swapper/323:27:303
1378681992118,1cyclictest0-21swapper/322:40:143
1378681992118,1cyclictest0-21swapper/322:20:253
1378681992118,1cyclictest0-21swapper/320:40:153
1378681992118,1cyclictest0-21swapper/320:20:003
1378681992118,1cyclictest0-21swapper/300:00:193
137868199211,16cyclictest1755051-21chrt23:30:133
137868199211,15cyclictest1565989-21taskset21:29:373
137868199211,14cyclictest1723272-21taskset23:10:003
137868199211,14cyclictest1676252-21taskset22:40:003
14463612200,3sleep1249-21jbd2/sda2-820:00:181
1378681992017,1cyclictest0-21swapper/323:20:003
1378681992017,1cyclictest0-21swapper/321:55:223
1378681992017,1cyclictest0-21swapper/321:20:153
137868199201,14cyclictest1476912-21taskset20:23:463
1378681991916,1cyclictest0-21swapper/322:50:173
1378681991916,1cyclictest0-21swapper/320:36:173
1378681991916,1cyclictest0-21swapper/300:20:253
1378681991916,1cyclictest0-21swapper/300:18:023
137868199191,14cyclictest1626795-21taskset22:05:213
137868199191,13cyclictest1534450-21taskset21:06:353
1378681991816,1cyclictest0-21swapper/320:00:013
1378681991816,1cyclictest0-21swapper/300:35:193
1378681991815,1cyclictest0-21swapper/322:30:193
1378681991815,1cyclictest0-21swapper/321:50:133
1378681991815,1cyclictest0-21swapper/320:48:143
1378681991815,1cyclictest0-21swapper/319:37:503
1378681991815,1cyclictest0-21swapper/300:31:103
1378681991815,1cyclictest0-21swapper/300:25:153
137868199181,14cyclictest1778576-21taskset23:45:123
137868199181,13cyclictest1811646-21taskset00:05:213
137868199181,13cyclictest1705091-21taskset22:55:213
137868199181,13cyclictest1691111-21taskset22:48:183
137868199181,13cyclictest1659487-21taskset22:27:253
137868199181,13cyclictest1456791-21taskset20:05:223
137868199181,13cyclictest1378896-21taskset19:10:133
137868199181,12cyclictest1786388-21chrt23:50:123
1378681991810,6cyclictest15726272sleep321:31:133
17956262177,7sleep21796486-21tr23:55:192
137868199177,7cyclictest14834522sleep320:29:513
1378681991714,1cyclictest0-21swapper/323:35:193
1378681991714,1cyclictest0-21swapper/321:15:193
1378681991714,1cyclictest0-21swapper/321:00:013
1378681991714,1cyclictest0-21swapper/319:30:013
137868199171,13cyclictest1824473-21taskset00:12:233
137868199171,12cyclictest1643150-21taskset22:15:393
137868199171,12cyclictest1535026-21taskset21:10:083
137868199171,12cyclictest1458012-21chrt20:10:153
137868199171,12cyclictest1432727-21taskset19:50:143
137868199171,12cyclictest1400010-21taskset19:24:553
137868199170,14cyclictest1729930-21chrt23:11:533
17916572160,5sleep01791703-21ntpq23:50:240
137868199166,7cyclictest17964872sleep323:55:203
1378681991614,1cyclictest0-21swapper/319:17:343
137868199161,12cyclictest1428321-21taskset19:45:173
137868199161,11cyclictest1406686-21taskset19:30:053
18153582151,10sleep01815404-21ntpq00:05:260
14967502151,10sleep11496868-21grep20:40:161
18390812147,1sleep1171rcu_preempt00:20:281
17481962141,10sleep11748652-21ssh23:25:191
16446482140,7sleep01644654-21ssh22:19:580
15425842141,4sleep21542815-21cat21:15:002
18104672131,9sleep11810981-21sed00:05:201
17537592131,5sleep21753765-21ssh23:27:322
16829582130,9sleep072-21kcompactd022:42:280
16288402130,10sleep21628844-21ssh22:09:222
14182772131,9sleep21418316-21ntpq19:35:232
18636742121,8sleep21863679-21sh00:36:432
16621662121,8sleep21663066-21cut22:30:192
16059792120,9sleep11605768-21/usr/sbin/munin21:55:181
16049522120,6sleep11604957-21sh21:53:411
14704432121,8sleep21470545-21appstreamcli20:20:002
18092102110,9sleep01809216-21ssh00:03:390
18022822110,3sleep1222-21plymouthd00:00:151
17692552110,8sleep01769261-21ssh23:37:080
17617232111,3sleep1222-21plymouthd23:32:521
17211272110,9sleep00-21swapper/023:05:250
17148812110,8sleep21714887-21ssh23:03:552
17108392110,8sleep11712274-21tr23:00:211
16990122110,8sleep01699018-21ssh22:53:330
16449622110,3sleep21644727-21sendmail-msp22:20:052
15821962113,6sleep01582230-21apt-get21:40:130
15506972111,7sleep01550467-21sendmail-msp21:20:050
15336182110,8sleep11533758-21ntpq21:05:221
14965462113,5sleep086188-21systemd-journal20:40:060
14903432111,6sleep11490474-21gltestperf20:35:151
14825252110,2sleep00-21swapper/020:25:240
13889212110,1sleep2421rcuc/219:15:172
18521652100,7sleep21853872-21cut00:30:192
18257622101,5sleep01825924-21diskstats00:15:130
16533382101,6sleep21653813-21cut22:25:172
16446602100,7sleep21644727-21sendmail-msp22:19:592
16205302100,1sleep00-21swapper/022:03:060
15502192100,7sleep01550224-21sh21:19:320
14383742100,1sleep20-21swapper/219:54:072
14208082101,2sleep1171rcu_preempt19:40:191
13996872100,1sleep00-21swapper/019:20:500
13993592100,1sleep20-21swapper/219:20:262
137868199108,1cyclictest0-21swapper/319:10:013
1864553290,2sleep1222-21plymouthd00:39:161
1856322290,6sleep1222-21plymouthd00:33:071
1847745291,4sleep21847735-40updatedb.plocat00:26:182
1832930290,2sleep11832932-21ssh00:19:061
1824546291,1sleep20-21swapper/200:12:352
1809660290,6sleep21809666-21ssh00:04:572
1800778290,1sleep00-21swapper/023:57:280
1794240291,4sleep10-21swapper/123:55:141
1776639292,4sleep2222-21plymouthd23:40:392
1770653291,5sleep01770804-21df23:40:130
1723996290,6sleep01724908-21sed23:10:180
1700237291,5sleep11700364-21sed22:55:161
1690300290,2sleep11690306-21ssh22:46:061
1660733291,4sleep01660770-21apt-get22:30:130
1629584290,6sleep21629726-21grep22:10:142
1629009290,1sleep00-21swapper/022:09:480
1621533291,4sleep11621566-21apt-get22:05:111
1595423291,5sleep21595476-21ntp_states21:45:242
1582237291,2sleep10-21swapper/121:40:141
1509031290,2sleep1222-21plymouthd20:48:541
1496548292,4sleep2222-21plymouthd20:40:092
1495992290,1sleep20-21swapper/220:36:332
1483770290,6sleep1222-21plymouthd20:30:141
1483326290,2sleep1222-21plymouthd20:28:141
1463923290,2sleep1222-21plymouthd20:13:021
1419476291,5sleep21419259-21sendmail-msp19:40:042
1384055291,5sleep01384096-21/usr/sbin/munin19:10:230
1854591281,4sleep01854751-21ntpq00:30:210
1847819280,1sleep10-21swapper/100:26:321
1833262280,4sleep2222-21plymouthd00:20:002
1793425280,2sleep2222-21plymouthd23:53:462
1791705281,4sleep11791749-21ntpq23:50:251
1785635280,1sleep1222-21plymouthd23:48:561
1778993280,6sleep21779710-21irqrtprio23:45:162
1746504280,1sleep0222-21plymouthd23:23:570
1746489281,4sleep21746495-21ssh23:23:552
1739310281,3sleep10-21swapper/123:20:121
1737678282,3sleep0222-21plymouthd23:16:360
1736622281,4sleep11736665-21ntpq23:15:201
1729477280,1sleep10-21swapper/123:10:341
1715229281,5sleep01715235-21sh23:04:480
1698593280,1sleep20-21swapper/222:52:242
1689566281,4sleep01689601-21ntp_states22:45:240
1682381280,2sleep2171rcu_preempt22:40:372
1676041281,4sleep286188-21systemd-journal22:40:012
1661231281,4sleep11662165-21irqstats22:30:181
1659018280,2sleep1222-21plymouthd22:26:131
1658164281,4sleep01658207-21ntpq22:25:240
1651001281,4sleep01644727-21sendmail-msp22:20:350
1629877280,5sleep01630805-21irqstats22:10:160
1618966281,4sleep21619002-21ntpq22:00:242
1611936280,5sleep21611941-21sh21:56:232
1591546280,5sleep11593051-21kthreadcore21:45:191
1577349281,4sleep21579087-21cut21:35:222
1572409281,5sleep11572415-21ssh21:30:401
1558590281,4sleep01558623-21apt-get21:25:140
1548231281,4sleep11548279-21ntpq21:15:241
1542917281,3sleep21542954-21apt-get21:15:132
1542172282,3sleep0222-21plymouthd21:13:510
1533842281,4sleep01533879-21ntpq21:05:250
1522167281,4sleep01522312-21df21:00:160
1515784281,3sleep00-21swapper/020:55:150
1513216281,4sleep01514376-21/usr/sbin/munin20:50:210
1489642280,2sleep0222-21plymouthd20:32:020
1476324280,5sleep21476512-21sed20:20:292
1470224281,1sleep00-21swapper/020:17:100
1451291281,1sleep0222-21plymouthd20:04:550
1447122280,6sleep21448528-21kthreadcore20:00:202
1437472281,4sleep11437509-21ntpq19:50:211
1419088280,2sleep1222-21plymouthd19:38:351
1412669280,2sleep0222-21plymouthd19:33:080
1406192282,4sleep1331ktimers/119:27:001
1393537280,5sleep01393696-21latency_hist19:20:010
1372968281,4sleep01373903-21irqstats19:05:220
1864407271,3sleep0222-21plymouthd00:38:470
1839848271,2sleep0222-21plymouthd00:21:150
1838932270,4sleep21838985-21ssh00:20:252
1824010270,4sleep0222-21plymouthd00:11:080
1816334271,3sleep2222-21plymouthd00:06:412
1785171270,4sleep0222-21plymouthd23:47:350
1768878270,1sleep20-21swapper/223:36:022
1761410270,5sleep0222-21plymouthd23:31:590
1747249271,2sleep01747254-21apt-get23:25:140
1723713271,3sleep20-21swapper/223:10:162
1715660270,3sleep21715693-21apt-get23:05:112
1707077270,1sleep20-21swapper/222:59:102
1706232271,3sleep0222-21plymouthd22:56:510
1681733271,3sleep11681765-21ntpq22:40:241
1675630270,1sleep10-21swapper/122:38:521
1669966270,5sleep01671075-21kthreadcore22:35:180
1651625271,3sleep11651636-21ssh22:22:201
1643490270,1sleep10-21swapper/122:16:431
1634629271,3sleep11634679-21ld22:10:211
1595285272,3sleep01595372-21ntpq21:45:210
1580217270,5sleep0222-21plymouthd21:35:320
1566461271,3sleep20-21swapper/221:30:132
1564697270,4sleep2222-21plymouthd21:26:042
1534616270,4sleep2222-21plymouthd21:08:442
1523569271,3sleep186188-21systemd-journal21:00:201
1515942270,4sleep21516055-21/usr/sbin/munin20:55:172
1509087270,4sleep0222-21plymouthd20:49:380
1489645271,3sleep2222-21plymouthd20:32:042
1476714270,1sleep10-21swapper/120:21:161
1463168271,3sleep00-21swapper/020:10:250
1457371270,1sleep10-21swapper/120:05:411
1444830271,4sleep2672-21dbus-daemon20:00:002
1444548270,1sleep00-21swapper/019:56:220
1425994270,3sleep1222-21plymouthd19:45:121
1419949271,4sleep014-21ksoftirqd/019:40:180
1407150271,3sleep11408089-21irqrtprio19:30:171
1406127270,1sleep20-21swapper/219:26:132
1384962270,4sleep1222-21plymouthd19:14:241
1383086271,3sleep20-21swapper/219:10:212
1378552271,3sleep20-21swapper/219:10:012
1378295270,1sleep10-21swapper/119:06:431
1824764260,4sleep1222-21plymouthd00:13:141
1770805260,3sleep1222-21plymouthd23:40:141
1762507260,3sleep1222-21plymouthd23:35:011
1755022261,2sleep20-21swapper/223:30:122
1722721261,2sleep11722727-21ssh23:08:431
1697250260,3sleep11697288-21ssh22:50:231
1620409261,3sleep11620415-21ssh22:02:481
1611027260,4sleep00-21swapper/021:55:240
1603439261,3sleep21603568-21ssh21:50:262
1597921261,2sleep01597955-21apt-get21:50:120
1587646260,3sleep21587685-21ntp_states21:40:272
1581580260,3sleep11581586-21ssh21:39:261
1572481260,4sleep0222-21plymouthd21:30:510
1557031260,1sleep10-21swapper/121:21:341
1555848260,3sleep21550467-21sendmail-msp21:20:222
1540255260,2sleep11540305-21ntpq21:10:181
1528118260,4sleep20-21swapper/221:02:352
1521679260,1sleep10-21swapper/120:57:561
1515475260,3sleep21-21systemd20:55:012
1515223260,3sleep10-21swapper/120:51:471
1503061260,3sleep21503215-21df_inode20:45:152
1483344260,3sleep2222-21plymouthd20:28:272
1464334260,3sleep1222-21plymouthd20:15:031
1464038260,3sleep2222-21plymouthd20:14:322
1457542260,1sleep00-21swapper/020:07:520
1444793260,3sleep1222-21plymouthd19:59:301
1438122260,1sleep00-21swapper/019:50:520
1431778260,3sleep2222-21plymouthd19:46:292
1431192261,3sleep01431224-21collect219:45:220
1419184260,1sleep00-21swapper/019:39:500
1412630260,1sleep20-21swapper/219:32:382
1406157260,3sleep0222-21plymouthd19:26:350
1395625260,3sleep11397039-21grep19:20:181
1393343260,1sleep10-21swapper/119:17:301
1847474250,2sleep0222-21plymouthd00:25:360
1731574250,3sleep21731685-21ssh23:15:132
1685574250,3sleep21686487-21grep22:45:182
1558626250,2sleep10-21swapper/121:25:151
1490139250,2sleep0222-21plymouthd20:35:060
1451560250,2sleep2222-21plymouthd20:05:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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