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2026-09-05 - 06:46
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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 Sat Sep 05, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
192766821280,4sleep01927670-21irqrtprio00:25:170
188936721270,1sleep20-21swapper/200:00:172
188936721270,1sleep20-21swapper/200:00:172
179777621180,3sleep21768459-21kworker/u16:0+events_unbound23:00:192
1465529992926,1cyclictest0-21swapper/323:20:013
1465529992724,1cyclictest0-21swapper/322:35:183
1465529992724,1cyclictest0-21swapper/321:00:453
17668442260,2sleep2421rcuc/222:40:182
1465529992623,1cyclictest0-21swapper/321:40:183
1465529992623,1cyclictest0-21swapper/319:15:013
1465529992623,1cyclictest0-21swapper/300:20:293
1465529992623,1cyclictest0-21swapper/300:01:053
1465529992623,1cyclictest0-21swapper/300:01:053
1465529992620,3cyclictest17018202sleep322:00:183
15092072250,1sleep30-21swapper/319:40:183
1465529992422,1cyclictest0-21swapper/323:20:193
1465529992421,1cyclictest0-21swapper/323:00:173
1465529992421,1cyclictest0-21swapper/322:50:013
1465529992421,1cyclictest0-21swapper/322:20:213
1465529992421,1cyclictest0-21swapper/322:20:213
1465529992421,1cyclictest0-21swapper/321:40:013
1465529992421,1cyclictest0-21swapper/321:20:173
1465529992320,1cyclictest0-21swapper/323:40:093
1465529992219,1cyclictest0-21swapper/323:05:163
1465529992219,1cyclictest0-21swapper/300:20:003
1465529992216,3cyclictest1557317-21turbostat20:20:003
1465529992215,4cyclictest1582987-21turbostat20:40:003
1465529992119,1cyclictest0-21swapper/322:10:003
1465529992118,1cyclictest0-21swapper/320:40:193
1465529992118,1cyclictest0-21swapper/319:33:333
146552999211,15cyclictest1729258-21taskset22:15:463
146552999211,14cyclictest1615388-21taskset21:05:013
1465529992017,1cyclictest0-21swapper/322:40:583
1465529992017,1cyclictest0-21swapper/320:20:413
1465529992017,1cyclictest0-21swapper/319:20:133
146552999201,15cyclictest1693492-21taskset21:55:173
146552999201,15cyclictest1480353-21turbostat19:20:003
1465529991916,1cyclictest0-21swapper/322:25:203
1465529991916,1cyclictest0-21swapper/320:00:153
1465529991916,1cyclictest0-21swapper/319:35:223
1465529991915,1cyclictest0-21swapper/322:10:123
146552999191,14cyclictest1940371-21taskset00:31:013
146552999191,14cyclictest1589806-21chrt20:45:133
146552999191,13cyclictest1538443-21chrt20:05:123
146552999182,13cyclictest1910376-21taskset00:14:173
146552999182,12cyclictest1550712-21taskset20:12:333
1465529991816,1cyclictest0-21swapper/321:30:043
1465529991816,1cyclictest0-21swapper/300:25:193
1465529991815,1cyclictest0-21swapper/320:25:203
146552999181,14cyclictest1840621-21taskset23:30:113
146552999181,13cyclictest1869980-21taskset23:45:433
146552999181,13cyclictest1791688-21taskset22:55:273
146552999181,13cyclictest1783913-21taskset22:50:353
146552999181,13cyclictest1690291-21taskset21:51:003
146552999181,13cyclictest1681844-21taskset21:45:223
146552999181,13cyclictest1650751-21taskset21:25:263
146552999181,13cyclictest1575692-21taskset20:30:213
146552999177,7cyclictest14929672sleep319:26:163
146552999172,12cyclictest1518673-21taskset19:46:393
1465529991714,1cyclictest0-21swapper/300:35:163
146552999171,13cyclictest1885533-21taskset23:55:333
146552999171,13cyclictest1839034-21taskset23:26:223
146552999171,13cyclictest1815999-21taskset23:12:513
146552999171,13cyclictest1635583-21taskset21:15:363
146552999171,13cyclictest1601938-21taskset20:50:543
146552999171,13cyclictest1525744-21taskset19:55:133
146552999171,13cyclictest1525046-21taskset19:51:533
146552999171,12cyclictest1895353-21chrt00:05:113
146552999171,12cyclictest1746953-21taskset22:30:173
146552999171,12cyclictest1627773-21taskset21:10:343
146552999171,12cyclictest1608305-21taskset20:55:393
18106212160,12sleep11811546-21cut23:10:171
1465529991614,1cyclictest0-21swapper/323:35:143
1465529991614,1cyclictest0-21swapper/323:35:143
146552999161,12cyclictest1877732-21taskset23:50:283
17460022150,8sleep21746007-21ssh22:28:532
19328222140,10sleep11932826-21ssh00:26:391
17701522141,10sleep11770190-21ssh22:45:111
17287212141,10sleep11728844-21switchtime22:15:251
17951362130,10sleep01796452-21grep23:00:180
17229252131,9sleep21722931-21ssh22:14:492
15525742130,9sleep11554055-21cut20:15:171
14868062130,10sleep01486845-21awk19:25:010
14612922130,9sleep21463036-21cut19:05:182
18624152123,1sleep00-21swapper/023:41:360
18249482121,3sleep11824981-21apt-get23:20:121
17701922121,2sleep20-21swapper/222:45:122
17063462121,3sleep0222-21plymouthd22:02:240
14988432121,8sleep21498958-21python319:30:242
14725252121,8sleep11473576-21cat19:15:031
14657492120,4sleep2222-21plymouthd19:10:112
19406082110,8sleep01940613-21sh00:31:400
18784062110,8sleep21878410-21ssh23:52:242
18086162111,7sleep01808618-21ssh23:09:120
17444952110,8sleep01744739-21sed22:25:260
17295802110,8sleep21729584-21ssh22:16:422
17067492110,9sleep21706755-21ssh22:03:272
16520012117,2sleep20-21swapper/221:27:582
16089242110,8sleep01608704-21sendmail-msp21:00:060
15920652110,9sleep00-21swapper/020:45:190
15770052110,8sleep21577101-21sort20:35:142
15692332110,8sleep11569281-21ntpq20:25:231
15629282111,7sleep11563043-21python320:20:261
14873022110,8sleep21487109-21/usr/sbin/munin19:25:152
14809142111,7sleep11481071-21if_err_eno219:20:161
14806432110,5sleep20-21swapper/219:20:132
19265552101,2sleep20-21swapper/200:25:122
19027892100,7sleep11621516-21diskmemload00:09:591
18392112100,7sleep01839217-21ssh23:27:000
16990872100,2sleep10-21swapper/121:59:001
16514432100,3sleep11651449-21ssh21:26:211
15437012100,8sleep21543750-21ps20:05:242
14716762101,7sleep11000-21snmpd19:12:391
14644442101,5sleep11464481-21ntpq19:05:211
14593602101,4sleep01459364-21apt-get19:05:120
1939727291,4sleep11939849-21python300:30:241
1916980290,6sleep11916986-21ssh00:16:011
1913042291,5sleep01914652-21tr00:15:200
1877147291,6sleep01877195-21collect223:50:220
1870901290,1sleep0222-21plymouthd23:48:210
1825404290,2sleep21783983-21kworker/u16:1+nfsiod23:20:172
1806561291,5sleep11806707-21ntpq23:05:201
1760918290,2sleep1222-21plymouthd22:36:531
1753787290,1sleep00-21swapper/022:33:440
1737045290,6sleep01737054-21ssh22:20:330
1737045290,6sleep01737054-21ssh22:20:330
1710505290,6sleep21712272-21cut22:05:192
1691682291,5sleep11691690-21cron21:55:001
1689355291,4sleep21689492-21ntpq21:50:202
1683883290,6sleep11683889-21ssh21:49:551
1681704291,4sleep01681741-21ntpq21:45:200
1676468291,4sleep21676505-21apt-get21:45:102
1659814290,6sleep2222-21plymouthd21:33:042
1652713290,6sleep01652801-21appstreamcli21:30:010
1629665291,4sleep21629670-21apt-get21:15:112
1627213290,2sleep00-21swapper/021:10:240
1614836291,5sleep11563377-21kworker/u16:4+ext4-rsv-conversion21:01:151
1576360290,2sleep1222-21plymouthd20:32:371
1565404290,6sleep01566648-21kthreadcore20:25:180
1538405290,2sleep00-21swapper/020:05:100
1513014290,6sleep11513210-21sed19:45:141
1506375291,6sleep01506377-21apt-get19:40:120
1498754291,4sleep01498795-21ntpq19:30:220
1465400290,2sleep30-21swapper/319:09:563
1925005281,4sleep01925011-21ssh00:21:290
1917985280,2sleep21917987-21ssh00:18:542
1909077280,2sleep0222-21plymouthd00:10:390
1903075280,6sleep21903079-21ssh00:10:042
1895312281,4sleep21895346-21apt-get00:05:112
1886870280,5sleep21886876-21ssh23:59:262
1885904280,1sleep00-21swapper/023:56:430
1879293281,5sleep11879303-21cron23:55:001
1862112280,2sleep21862118-21ssh23:40:372
1848333281,4sleep11848335-21apt-get23:35:121
1848333281,4sleep11848335-21apt-get23:35:111
1833288281,4sleep21833801-21ps23:25:182
1825141281,4sleep01824657-21sendmail-msp23:20:150
1807904280,6sleep21621516-21diskmemload23:07:022
1785740281,3sleep2222-21plymouthd22:55:032
1785174281,4sleep21785180-21ssh22:54:072
1783227280,5sleep01783270-21/usr/sbin/munin22:50:200
1769322280,1sleep00-21swapper/022:43:300
1757304280,6sleep21759018-21cut22:35:182
1753487280,2sleep1222-21plymouthd22:32:571
1731614281,4sleep21732464-21cut22:20:192
1731614281,4sleep21732464-21cut22:20:192
1722891281,4sleep11722897-21ssh22:14:441
1713577280,2sleep0222-21plymouthd22:05:330
1699445281,4sleep01699480-21munin-run22:00:010
1684208281,3sleep0222-21plymouthd21:50:060
1676106280,1sleep20-21swapper/221:44:542
1673803280,5sleep11668337-21sendmail-msp21:40:201
1664249280,1sleep11664252-21cut21:35:181
1659949280,2sleep1222-21plymouthd21:33:351
1643899280,5sleep21643905-21ssh21:22:052
1622026281,4sleep21622147-21perl21:10:142
1602565281,4sleep01602671-21cpuspeed_turbos20:55:130
1596202281,3sleep10-21swapper/120:50:131
1583251281,4sleep21583284-21apt-get20:40:122
1557213280,2sleep2222-21plymouthd20:19:032
1550012281,4sleep21550053-21ntpq20:10:252
1531960280,5sleep20-21swapper/220:00:102
1492449280,5sleep00-21swapper/019:25:250
1492322280,5sleep10-21swapper/119:25:221
1474404280,6sleep21474248-21/usr/sbin/munin19:15:162
1471625281,4sleep01471627-21sshd-auth19:12:020
1948841270,1sleep00-21swapper/000:38:010
1947584271,3sleep1222-21plymouthd00:35:251
1926022270,1sleep20-21swapper/200:24:282
1908687271,3sleep11908878-21ssh00:10:271
1902390272,3sleep0222-21plymouthd00:08:460
1886491270,4sleep11886497-21ssh23:58:211
1871390270,4sleep21871395-21sh23:49:482
1870787270,4sleep11870816-21ssh23:48:101
1862757271,3sleep1222-21plymouthd23:42:291
1851798270,1sleep00-21swapper/023:35:180
1851798270,1sleep00-21swapper/023:35:180
1846927271,3sleep21846931-21ssh23:31:552
1833106271,3sleep11832805-21/usr/sbin/munin23:25:171
1822394271,4sleep01822443-21ntp_states23:15:220
1817095270,4sleep11817130-21apt-get23:15:111
1815266271,3sleep0222-21plymouthd23:10:520
1814827271,3sleep21815091-21unixbench_multi23:10:262
1765348271,3sleep1222-21plymouthd22:40:181
1738912270,3sleep11738949-21apt-get22:25:111
1734400271,3sleep11735894-21cut22:20:221
1734400271,3sleep11735894-21cut22:20:221
1721892271,3sleep0222-21plymouthd22:12:030
1675274270,1sleep00-21swapper/021:42:240
1667150271,3sleep21667156-21ssh21:36:532
1662602272,3sleep01660780-21/usr/sbin/munin21:35:180
1644063270,1sleep10-21swapper/121:22:361
1637655271,3sleep01637819-21gltestperf21:20:150
1621164270,3sleep0222-21plymouthd21:05:470
1620539271,3sleep11620582-21ntpq21:05:281
1608396270,1sleep20-21swapper/220:56:512
1604345270,3sleep10-21swapper/120:55:181
1597567271,3sleep21598624-21kthreadcore20:50:182
1594799270,4sleep21594939-21ntpq20:45:212
1582608270,4sleep1222-21plymouthd20:35:331
1576853271,2sleep00-21swapper/020:35:120
1576491270,1sleep20-21swapper/220:34:182
1575731271,3sleep01575854-21python320:30:230
1557570271,3sleep21557350-21sendmail-msp20:20:072
1556294270,4sleep01556346-21ld20:15:200
1550896270,1sleep10-21swapper/120:14:571
1544849271,3sleep0222-21plymouthd20:10:150
1537893270,3sleep0222-21plymouthd20:01:530
1525595270,4sleep1222-21plymouthd19:55:121
1518805271,3sleep0222-21plymouthd19:48:220
1511583270,4sleep21511622-21ntpq19:40:222
1511441270,4sleep11511581-21ntpq19:40:211
1500147270,4sleep01500337-21idleruntime19:35:150
1499302270,1sleep10-21swapper/119:30:351
1480160271,3sleep0222-21plymouthd19:17:590
1948412260,4sleep21948418-21ssh00:36:472
1940620260,2sleep2222-21plymouthd00:31:412
1924783260,3sleep11924788-21sh00:20:541
1893974260,3sleep0222-21plymouthd00:02:050
1893974260,3sleep0222-21plymouthd00:02:050
1893540261,2sleep1222-21plymouthd00:00:491
1893540261,2sleep1222-21plymouthd00:00:491
1853494260,3sleep21853548-21ntpq23:35:202
1853494260,3sleep21853548-21ntpq23:35:202
1840574260,3sleep11840611-21apt-get23:30:101
1796453260,3sleep11797775-21cut23:00:191
1785840261,2sleep00-21swapper/022:55:130
1783271262,2sleep1331ktimers/122:50:211
1770355260,4sleep01770473-21perl22:45:140
1754497260,1sleep00-21swapper/022:35:040
1753075260,2sleep2222-21plymouthd22:31:452
1728351260,3sleep01728495-21ntpq22:15:190
1709064261,2sleep10-21swapper/122:05:181
1699835261,2sleep11699841-21ssh22:00:131
1692057260,3sleep21692067-21ssh21:55:132
1653113260,3sleep01653264-21df21:30:130
1636246260,3sleep0222-21plymouthd21:17:340
1629860261,3sleep1222-21plymouthd21:15:141
1621359260,3sleep2222-21plymouthd21:08:182
1614951260,2sleep2222-21plymouthd21:02:412
1589209260,4sleep0222-21plymouthd20:41:460
1563991260,2sleep2222-21plymouthd20:25:042
1563450261,2sleep00-21swapper/020:21:250
1538020261,2sleep1222-21plymouthd20:03:301
1530814260,3sleep01530840-21ntpq19:55:230
1525247260,3sleep0222-21plymouthd19:54:270
1525208260,3sleep1222-21plymouthd19:53:561
1512819261,2sleep20-21swapper/219:45:112
1505833260,3sleep1222-21plymouthd19:37:081
1840777250,3sleep01840866-21fschecks_time23:30:130
1817052250,2sleep2222-21plymouthd23:15:032
1787867250,2sleep10-21swapper/122:55:181
1628292250,2sleep1222-21plymouthd21:12:061
1601920250,2sleep0222-21plymouthd20:50:400
1583250251,2sleep1249-21jbd2/sda2-820:40:111
1544350250,2sleep10-21swapper/120:07:311
1525292250,2sleep2222-21plymouthd19:55:012
1524978250,2sleep2222-21plymouthd19:51:002
1499914250,2sleep2222-21plymouthd19:35:092
1589757240,1sleep10-21swapper/120:45:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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