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2026-06-05 - 04:24
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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 all highest latencies:
System rackeslot8.osadl.org (updated Fri Jun 05, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
162042223010,1sleep10-21swapper/121:50:181
186323421130,1sleep1321rcuc/100:25:221
139965299239,11cyclictest1679284-21turbostat22:30:003
1399652992219,1cyclictest0-21swapper/321:10:123
1399652992219,1cyclictest0-21swapper/320:00:003
139965299221,15cyclictest1452947-21taskset19:50:013
1399652992116,3cyclictest1542422-21turbostat21:00:003
139965299211,15cyclictest1787916-21turbostat23:40:013
1399652992110,7cyclictest16005832sleep321:36:353
1399652992017,1cyclictest0-21swapper/322:50:283
1399652992017,1cyclictest0-21swapper/300:20:143
1399652992017,1cyclictest0-21swapper/300:20:133
139965299201,15cyclictest1687601-21taskset22:35:143
139965299201,15cyclictest1405168-21taskset19:10:233
139965299192,13cyclictest1670431-21taskset22:21:393
1399652991916,1cyclictest0-21swapper/323:40:173
1399652991916,1cyclictest0-21swapper/300:04:593
139965299191,14cyclictest1841436-21taskset00:13:013
139965299191,14cyclictest1801593-21taskset23:45:283
139965299191,14cyclictest1577085-21taskset21:21:013
139965299191,14cyclictest1472010-21taskset20:03:273
139965299191,13cyclictest1749190-21taskset23:14:563
139965299191,13cyclictest1478769-21taskset20:10:013
139965299182,13cyclictest1608935-21taskset21:43:103
139965299182,12cyclictest1740193-21taskset23:06:183
139965299182,12cyclictest1704119-21taskset22:45:173
1399652991815,1cyclictest0-21swapper/323:00:043
1399652991815,1cyclictest0-21swapper/321:50:273
1399652991815,1cyclictest0-21swapper/321:45:183
1399652991815,1cyclictest0-21swapper/319:25:183
139965299181,14cyclictest1653861-21taskset22:10:213
139965299181,14cyclictest1439143-21taskset19:35:223
139965299181,13cyclictest1848518-21taskset00:16:063
139965299181,13cyclictest1826929-21taskset00:05:073
139965299181,13cyclictest1818082-21taskset23:57:473
139965299181,13cyclictest1762784-21taskset23:20:253
139965299181,13cyclictest1755668-21taskset23:16:123
139965299181,13cyclictest1721610-21taskset22:55:193
139965299181,13cyclictest1631690-21taskset21:56:543
139965299181,13cyclictest1593395-21taskset21:33:163
139965299181,13cyclictest1584781-21taskset21:25:463
139965299181,13cyclictest1569266-21taskset21:15:523
139965299181,13cyclictest1542679-21taskset21:00:083
139965299181,13cyclictest1523043-21taskset20:42:293
139965299180,14cyclictest1663807-21turbostat22:19:593
14929662177,7sleep01494159-21tr20:20:170
14851902172,11sleep01485341-21df_inode20:15:120
139965299176,8cyclictest1452930-21sleep19:54:553
1399652991714,1cyclictest0-21swapper/323:50:213
1399652991714,1cyclictest0-21swapper/319:20:183
1399652991714,1cyclictest0-21swapper/319:15:163
139965299171,13cyclictest1878753-21taskset00:35:233
139965299171,13cyclictest1779255-21taskset23:32:203
139965299171,13cyclictest1772334-21taskset23:29:403
139965299171,13cyclictest1497942-21taskset20:25:043
139965299171,12cyclictest1700983-21taskset22:40:293
139965299171,12cyclictest1633108-21taskset22:00:103
139965299171,12cyclictest1523498-21taskset20:45:053
139965299171,12cyclictest1497365-21taskset20:20:563
139965299170,14cyclictest1554284-21taskset21:05:213
139965299170,13cyclictest1535763-21taskset20:51:513
18261922161,11sleep21826196-21ssh00:03:432
1399652991613,1cyclictest0-21swapper/319:40:043
1399652991613,1cyclictest0-21swapper/319:30:153
1399652991613,1cyclictest0-21swapper/300:30:163
139965299161,12cyclictest1863026-21taskset00:25:213
139965299161,12cyclictest1685495-21taskset22:30:303
139965299161,12cyclictest1641328-21taskset22:05:163
139965299161,12cyclictest1510673-21chrt20:35:073
139965299161,12cyclictest1504288-21taskset20:30:103
139965299161,12cyclictest1491259-21taskset20:19:473
139965299161,12cyclictest1472390-21taskset20:05:043
14776582141,10sleep21477688-21/usr/sbin/munin20:05:242
14152382141,10sleep11416137-21cut19:20:171
14097972130,10sleep21409829-21kthreadcore19:15:182
18787732121,8sleep01878796-21ntpq00:35:240
17877462121,3sleep1222-21plymouthd23:39:321
17667012120,9sleep21768331-21cut23:25:192
16393452121,8sleep11639349-21ssh22:01:211
15296232120,9sleep01529697-21cat20:50:010
13985622121,5sleep01398601-21ntpq19:05:200
13935002122,5sleep30-21swapper/319:05:123
18206002111,7sleep11820634-21kthreadcore00:00:181
17487552110,4sleep11748759-21ssh23:13:421
17184442111,6sleep00-21swapper/022:55:140
16665422110,8sleep11668230-21cut22:20:191
15963892111,7sleep01597444-21kthreadcore21:35:180
15684722110,8sleep11568518-21ntpq21:15:241
15428892110,3sleep01543085-21hddtemp_smartct21:00:140
18412332100,7sleep21841241-21ssh00:12:262
18179582100,7sleep01817963-21sh23:57:270
18178012100,7sleep21725959-21kworker/u16:1+rpciod23:57:012
17403762100,7sleep21740382-21ssh23:06:542
17289422100,7sleep11730719-21kthreadcore23:00:191
17106932101,5sleep11710695-21apt-get22:50:131
16943982102,5sleep11633100-21kworker/u16:1+xprtiod22:39:021
16640742106,2sleep21555228-21diskmemload22:20:042
16176052101,5sleep21617635-21ssh21:50:122
16172672100,1sleep20-21swapper/221:50:012
16015532100,3sleep11601557-21ssh21:39:251
15774152100,8sleep11577420-21sh21:21:561
15753772105,3sleep21576163-21missed_timers21:20:212
15008022100,7sleep01502652-21grep20:25:180
14797242100,7sleep01480556-21cut20:10:160
14279082100,8sleep11428343-21irqcore19:30:151
14235122104,3sleep10-21swapper/119:25:181
13989052101,5sleep11399074-21unixbench_multi19:05:261
1873107291,4sleep01873110-40updatedb.plocat00:34:570
1841032290,6sleep11841038-21ssh00:11:531
1763954290,1sleep0222-21plymouthd23:22:470
1739984290,2sleep0222-21plymouthd23:05:440
1733095290,2sleep0222-21plymouthd23:03:150
1726213291,4sleep21726247-21apt-get23:00:122
1708966290,6sleep21708970-21ssh22:45:572
1700356291,4sleep01700394-21ntpq22:40:220
1692682290,6sleep01692737-21processes22:35:240
1677065291,5sleep01677103-21ntpq22:25:220
1663393290,3sleep21663399-21ssh22:18:502
1616208290,2sleep0222-21plymouthd21:46:530
1608126291,6sleep0222-21plymouthd21:40:520
1555522290,1sleep20-21swapper/221:10:112
1529562290,3sleep2222-21plymouthd20:49:142
1523164290,2sleep2222-21plymouthd20:44:052
1484594290,1sleep10-21swapper/120:11:251
1440036291,5sleep01440102-21sqv19:40:000
1440001290,1sleep10-21swapper/119:39:331
1439930290,2sleep2222-21plymouthd19:38:392
1405933291,4sleep0222-21plymouthd19:14:260
1400231290,1sleep20-21swapper/219:10:152
1393464290,4sleep21393497-21apt-get19:05:112
1879557281,4sleep11879558-21sh00:36:091
1857993281,4sleep01858080-21cpuspeed_turbos00:25:140
1856583280,2sleep2222-21plymouthd00:22:002
1856583280,2sleep2222-21plymouthd00:21:592
1855543280,1sleep00-21swapper/000:20:250
1855543280,1sleep00-21swapper/000:20:250
1855405281,4sleep11855451-21ntpq00:20:231
1855405281,4sleep11855451-21ntpq00:20:221
1832290281,3sleep01832322-21ntpq00:05:250
1832187281,5sleep20-21swapper/200:05:232
1827000281,3sleep10-21swapper/100:05:141
1819212281,4sleep01819347-21cpuspeed_turbos00:00:130
1802226280,1sleep10-21swapper/123:46:501
1795961280,4sleep01795967-21ssh23:45:130
1793746281,4sleep21793861-21/usr/sbin/munin23:40:262
1783223280,2sleep00-21swapper/023:35:180
1776901282,3sleep2222-21plymouthd23:30:192
1763305280,2sleep1222-21plymouthd23:20:521
1749521281,3sleep21749555-21apt-get23:15:132
1749469280,2sleep11749473-21ssh23:15:041
1741753281,3sleep2222-21plymouthd23:10:102
1741014280,1sleep10-21swapper/123:08:461
1715990280,5sleep01716029-21ntpq22:50:240
1687530281,4sleep21687598-21tune2fs22:35:142
1685152281,4sleep01685392-21grep22:30:270
1677105281,4sleep11677148-21ntpq22:25:231
1671863281,4sleep21671869-21ssh22:25:082
1669392281,4sleep01669440-21ntpq22:20:220
1657786281,4sleep11659110-21tr22:15:171
1643770280,5sleep20-21swapper/222:05:192
1642337280,5sleep11643769-21cut22:05:181
1632085280,2sleep1222-21plymouthd21:58:051
1600279282,3sleep2222-21plymouthd21:35:412
1586596281,4sleep01586748-21df21:30:130
1585435281,4sleep11585441-21ssh21:27:431
1563283280,5sleep21563320-21ssh21:15:132
1555570281,4sleep01555576-21ssh21:10:130
1529926280,2sleep00-21swapper/020:50:120
1522948280,1sleep00-21swapper/020:41:180
1510297280,1sleep00-21swapper/020:33:320
1510231284,2sleep10-21swapper/120:32:411
1491111280,1sleep10-21swapper/120:17:541
1472437281,4sleep01472591-21df_inode20:05:140
1467393280,5sleep11468001-21cut20:00:191
1459598281,3sleep00-21swapper/019:55:120
1452714280,1sleep10-21swapper/119:47:391
1441766280,5sleep11443193-21grep19:40:171
1427085280,2sleep0222-21plymouthd19:28:010
1427047281,4sleep2222-21plymouthd19:27:322
1408429280,4sleep1222-21plymouthd19:15:121
1873043270,1sleep20-21swapper/200:34:462
1848755271,3sleep21848761-21ssh00:16:462
1848579270,2sleep10-21swapper/100:16:171
1847753271,3sleep01847803-21ntpq00:15:240
1841899270,1sleep0222-21plymouthd00:14:280
1817652271,1sleep10-21swapper/123:56:361
1803629271,3sleep21803668-21apt-get23:50:122
1794651270,5sleep11725959-21kworker/u16:1+rpciod23:42:091
1794381270,2sleep0222-21plymouthd23:41:170
1787828270,3sleep2222-21plymouthd23:39:542
1779172270,1sleep11779174-21ssh23:32:071
1771859270,4sleep1222-21plymouthd23:28:231
1724815271,3sleep1222-21plymouthd22:56:591
1709559270,4sleep0222-21plymouthd22:47:400
1702842271,3sleep11702879-21apt-get22:45:121
1702373270,1sleep20-21swapper/222:44:292
1686840270,2sleep20-21swapper/222:34:272
1654794270,1sleep2222-21plymouthd22:11:172
1651087271,3sleep01652848-21kthreadcore22:10:200
1646067271,3sleep00-21swapper/022:05:210
1635101270,4sleep01636789-21cut22:00:210
1632592271,3sleep01632598-21ssh21:59:320
1625387271,3sleep21625389-21apt-get21:55:142
1617555270,1sleep0222-21plymouthd21:50:060
1616309270,4sleep11616315-21ssh21:47:101
1593763270,1sleep20-21swapper/221:34:242
1592616271,3sleep1222-21plymouthd21:31:021
1584041271,3sleep21584075-21ntpq21:25:232
1563325270,4sleep01563479-21df_inode21:15:150
1548704271,3sleep2222-21plymouthd21:03:292
1542695270,4sleep1222-21plymouthd21:00:111
1529576270,4sleep1222-21plymouthd20:49:251
1497415270,1sleep10-21swapper/120:21:361
1490398271,3sleep21490428-21ntpq20:15:222
1482300270,1sleep20-21swapper/220:10:182
1478227270,1sleep10-21swapper/120:06:191
1464897271,3sleep11465012-21python319:55:251
1459748271,4sleep21459786-21fschecks_count19:55:142
1459009270,3sleep1222-21plymouthd19:51:531
1458978270,1sleep20-21swapper/219:51:292
1440348270,5sleep086188-21systemd-journal19:40:050
1432740270,4sleep01432780-21sh19:30:230
1414766271,4sleep2249-21jbd2/sda2-819:20:022
1414170271,3sleep0222-21plymouthd19:15:550
1405089270,4sleep11405116-21ntp_states19:10:221
1880515262,2sleep2431ktimers/200:38:592
1870990260,3sleep11871030-21ntpq00:30:201
1810751260,4sleep10-21swapper/123:54:011
1804614260,4sleep01805220-21kthreadcore23:50:190
1798146261,2sleep20-21swapper/223:45:192
1772788260,4sleep00-21swapper/023:30:130
1764153260,1sleep20-21swapper/223:23:262
1754775260,3sleep01754815-21ntpq23:15:230
1748800260,1sleep00-21swapper/023:13:490
1716949260,3sleep2222-21plymouthd22:51:422
1698161260,3sleep11699848-21grep22:40:191
1663427261,3sleep01663430-21sh22:18:570
1633605260,4sleep21634196-21cut22:00:182
1608063261,2sleep2222-21plymouthd21:40:422
1602589261,2sleep11603186-21ssh21:40:171
1585960260,1sleep00-21swapper/021:29:170
1577381260,3sleep0222-21plymouthd21:21:510
1555469260,1sleep10-21swapper/121:10:021
1549091260,3sleep0222-21plymouthd21:05:120
1542104260,1sleep00-21swapper/020:56:180
1542070260,1sleep10-21swapper/120:55:511
1529927260,3sleep11530084-21diskstats20:50:131
1510667261,2sleep20-21swapper/220:35:032
1510157260,3sleep2222-21plymouthd20:31:472
1503659261,2sleep10-21swapper/120:25:271
1497349260,1sleep20-21swapper/220:20:442
1468002260,3sleep21469782-21grep20:00:202
1452874260,3sleep2222-21plymouthd19:49:442
1452862260,1sleep00-21swapper/019:49:340
1440351261,3sleep2222-21plymouthd19:40:062
1433607260,1sleep20-21swapper/219:34:452
1420803260,1sleep00-21swapper/019:24:050
1857924250,3sleep21857930-21ssh00:25:092
1771572250,2sleep0222-21plymouthd23:27:280
1723698250,2sleep2222-21plymouthd22:55:232
1679613250,2sleep10-21swapper/122:30:131
1653966250,2sleep1222-21plymouthd22:10:251
1554862250,2sleep2222-21plymouthd21:05:332
1542061250,2sleep2222-21plymouthd20:55:432
1535114250,2sleep20-21swapper/220:50:222
1522909250,2sleep1222-21plymouthd20:40:471
1512081251,2sleep10-21swapper/120:35:181
1510715250,2sleep0222-21plymouthd20:35:140
1503695250,2sleep2222-21plymouthd20:25:492
1471857250,2sleep00-21swapper/020:01:300
1458983250,2sleep0222-21plymouthd19:51:320
1555151240,2sleep1222-21plymouthd21:09:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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