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2026-08-09 - 18:25
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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 Sun Aug 09, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16021912870,7sleep0151ktimers/023:42:500
1203862993128,1cyclictest0-21swapper/321:00:183
1203862992724,1cyclictest0-21swapper/323:00:003
1203862992724,1cyclictest0-21swapper/321:40:133
1203862992421,1cyclictest0-21swapper/323:20:113
1203862992421,1cyclictest0-21swapper/323:20:113
1203862992320,1cyclictest0-21swapper/319:20:163
1203862992219,1cyclictest0-21swapper/323:00:193
1203862992219,1cyclictest0-21swapper/322:20:153
1203862992211,7cyclictest16815812sleep300:35:153
120386299216,5cyclictest1237962-21taskset19:34:553
1203862992119,1cyclictest0-21swapper/322:00:173
1203862992118,1cyclictest0-21swapper/323:40:133
1203862992118,1cyclictest0-21swapper/322:40:013
1203862992118,1cyclictest0-21swapper/322:10:013
1203862992118,1cyclictest0-21swapper/300:15:013
1203862992017,1cyclictest0-21swapper/322:00:013
1203862992017,1cyclictest0-21swapper/321:15:013
1203862992017,1cyclictest0-21swapper/300:00:013
120386299201,14cyclictest1515474-21taskset22:46:113
120386299201,14cyclictest1406515-21taskset21:38:523
120386299201,14cyclictest1340306-21taskset20:51:213
1203862992010,5cyclictest1548203-21turbostat23:10:003
120386299199,7cyclictest12956882sleep320:19:303
1203862991917,1cyclictest0-21swapper/300:15:223
1203862991917,1cyclictest0-21swapper/300:00:173
1203862991916,1cyclictest0-21swapper/323:30:003
1203862991916,1cyclictest0-21swapper/322:34:183
1203862991916,1cyclictest0-21swapper/322:25:143
1203862991916,1cyclictest0-21swapper/321:35:003
1203862991916,1cyclictest0-21swapper/300:20:273
120386299191,13cyclictest1524624-21chrt22:54:583
120386299191,13cyclictest1375554-21taskset21:19:553
120386299191,13cyclictest1321353-21turbostat20:40:003
120386299191,13cyclictest1204069-21chrt19:10:143
16719122180,11sleep11671918-21ssh00:25:541
12190582187,8sleep21218830-21sendmail-msp19:20:122
1203862991815,1cyclictest0-21swapper/322:40:213
1203862991815,1cyclictest0-21swapper/321:20:253
1203862991815,1cyclictest0-21swapper/320:40:273
1203862991815,1cyclictest0-21swapper/320:05:173
1203862991815,1cyclictest0-21swapper/300:30:223
120386299181,14cyclictest1635061-21taskset00:05:183
120386299181,13cyclictest1618573-21taskset23:54:563
120386299181,13cyclictest1554766-21taskset23:11:413
120386299181,13cyclictest1421141-21taskset21:45:453
120386299181,13cyclictest1387975-21taskset21:25:203
120386299181,13cyclictest1342766-21taskset20:55:173
120386299181,13cyclictest1314993-21turbostat20:35:003
120386299181,13cyclictest1276494-21taskset20:03:583
120386299181,13cyclictest1250580-21taskset19:40:413
120386299172,12cyclictest1269829-21taskset19:56:093
1203862991714,1cyclictest0-21swapper/323:45:183
120386299171,13cyclictest1462153-21taskset22:15:043
120386299171,13cyclictest1334201-21taskset20:50:003
120386299171,13cyclictest1244077-21taskset19:35:313
120386299171,13cyclictest0-21swapper/321:10:003
120386299171,12cyclictest1666023-21taskset00:25:143
120386299171,12cyclictest1587829-21taskset23:35:153
120386299171,12cyclictest1585698-21taskset23:30:303
120386299171,12cyclictest1556194-21taskset23:15:063
120386299171,12cyclictest1428952-21taskset21:50:423
120386299171,12cyclictest1296010-21taskset20:20:053
120386299171,12cyclictest1257049-21taskset19:46:023
120386299171,12cyclictest1231340-21taskset19:26:213
1203862991613,1cyclictest0-21swapper/322:10:203
1203862991613,1cyclictest0-21swapper/320:10:193
1203862991613,1cyclictest0-21swapper/319:15:193
120386299161,12cyclictest1304483-21taskset20:25:193
15392112150,3sleep1222-21plymouthd23:01:461
1203862991513,1cyclictest0-21swapper/319:50:193
1203862991513,1cyclictest0-21swapper/319:50:193
16655922131,8sleep01665638-21awk00:25:000
14223752131,3sleep2222-21plymouthd21:49:152
14063772131,9sleep21406383-21ssh21:38:312
13814132130,8sleep11381438-21ntpq21:20:261
12443142131,5sleep1979-21lldpd19:38:351
13978952120,9sleep21397901-21ssh21:31:342
12898432120,9sleep01290042-21idleruntime20:15:180
12449712121,8sleep21245148-21idleruntime19:40:172
16572982110,8sleep11657304-21ssh00:18:451
16349272111,7sleep21635060-21head00:05:182
15954682113,5sleep21595465-21apt-get23:40:132
15538342112,6sleep21553960-21python323:10:252
15469012110,8sleep11546907-21ssh23:06:271
15233412112,6sleep0222-21plymouthd22:51:140
14784152111,7sleep20-21swapper/222:25:182
14734832111,7sleep21475092-21grep22:20:212
14543812112,5sleep21454389-21apt-get22:10:152
13252522111,7sleep01326636-21sed20:40:200
12756162111,6sleep21270191-21sendmail-msp20:00:252
12034452110,1sleep00-21swapper/019:06:270
11975942111,4sleep10-21swapper/119:05:031
16790002100,4sleep1222-21plymouthd00:30:231
16429822100,7sleep01643760-21sed00:10:170
16029712101,5sleep11603007-21munin-run23:45:001
15937612100,7sleep11593767-21ssh23:36:141
15798202102,4sleep21579857-21apt-get23:30:152
15164052103,1sleep0171rcu_preempt22:48:500
14880262100,7sleep11489688-21grep22:30:201
14857182102,4sleep21485755-21apt-get22:30:132
14853542100,7sleep11000-21snmpd22:29:551
14696632100,7sleep11469670-21ssh22:19:561
14680832100,4sleep21468089-21ssh22:15:362
14054972100,1sleep10-21swapper/121:35:591
13419622101,6sleep21342764-21cut20:55:172
13345042101,5sleep01334655-21df_inode20:50:140
13156282100,7sleep11315835-21sed20:35:161
13110972100,7sleep21312860-21kthreadcore20:30:202
12562582100,3sleep21256398-21ntpq19:45:222
12335942101,6sleep11235316-21kthreadcore19:30:181
12309522100,7sleep21231184-21sed19:25:292
12105702101,2sleep2222-21plymouthd19:15:032
12034382101,4sleep30-21swapper/319:06:233
11976072101,3sleep20-21swapper/219:05:132
1681196290,6sleep01681202-21ssh00:34:590
1673727290,5sleep21673764-21ssh00:30:122
1665975290,6sleep21665982-21cpu00:25:152
1650751290,6sleep01651576-21irqrtprio00:15:180
1626807290,7sleep01626563-21sendmail-msp00:00:070
1624695290,2sleep20-21swapper/223:55:282
1617505290,6sleep11617513-21ssh23:51:541
1616417290,1sleep20-21swapper/223:50:222
1582339290,6sleep11584105-21kthreadcore23:30:211
1570874290,6sleep01570880-21ssh23:22:460
1570874290,6sleep01570880-21ssh23:22:460
1548488291,4sleep11548520-21apt-get23:10:121
1546852290,2sleep2222-21plymouthd23:06:202
1540735291,5sleep01540729-21apt-get23:05:150
1532243290,3sleep2222-21plymouthd22:59:262
1517163291,5sleep21517164-21apt-get22:50:122
1514849291,5sleep11514995-21cat22:45:261
1507875290,2sleep0222-21plymouthd22:42:040
1507407290,6sleep11507414-21sh22:40:451
1484641290,2sleep0222-21plymouthd22:27:490
1477097291,6sleep072-21kcompactd022:23:410
1462133290,5sleep088-21kswapd022:15:020
1459673291,5sleep11459721-21ntpq22:10:261
1430831292,4sleep01430827-21apt-get21:55:130
1429281290,2sleep10-21swapper/121:51:421
1389122291,5sleep21389164-21ntpq21:25:242
1374344290,7sleep21374346-21ssh21:16:302
1367265291,5sleep21367271-21ssh21:13:342
1359737290,3sleep1222-21plymouthd21:06:551
1355253291,5sleep01356923-21cut21:05:180
1301275292,4sleep01301314-21ntpq20:20:250
1270013292,4sleep0222-21plymouthd19:58:310
1238301292,3sleep01238307-21apt-get19:35:130
1236994290,6sleep01237026-21ntpq19:30:200
1212660291,4sleep01212661-21apt-get19:15:130
1205447292,4sleep01207079-21kthreadcore19:10:210
1204434291,5sleep21204881-21cut19:10:182
1687834280,1sleep00-21swapper/000:36:510
1650206282,3sleep2222-21plymouthd00:15:042
1642550281,4sleep11642702-21df00:10:141
1642493280,2sleep2222-21plymouthd00:10:112
1632361280,6sleep11626563-21sendmail-msp00:00:281
1618030282,3sleep0222-21plymouthd23:53:250
1579253280,1sleep00-21swapper/023:29:190
1556245281,4sleep11556361-21grep23:15:141
1539896280,2sleep0222-21plymouthd23:03:410
1530319281,4sleep01530355-21ntpq22:55:230
1500329280,2sleep2222-21plymouthd22:38:092
1498630281,4sleep01498776-21ntpq22:35:230
1487158280,5sleep01488023-21kthreadcore22:30:180
1453810280,5sleep21453816-21ssh22:09:312
1446176281,4sleep11446405-21grep22:05:011
1445244280,1sleep00-21swapper/022:02:190
1444015281,4sleep21444058-21ntp_states22:00:252
1430108281,5sleep0222-21plymouthd21:53:570
1414800281,4sleep11414836-21munin-run21:45:001
1414554281,4sleep2222-21plymouthd21:44:132
1398748280,5sleep11398754-21ssh21:34:051
1381218281,4sleep20-21swapper/221:20:232
1353337280,2sleep2222-21plymouthd21:02:232
1353211280,5sleep086188-21systemd-journal21:00:450
1339716281,4sleep2222-21plymouthd20:50:252
1336642280,5sleep11337524-21kthreadcore20:50:191
1321200281,3sleep2222-21plymouthd20:38:262
1310125280,6sleep11311095-21kthreadcore20:30:201
1301990280,2sleep2222-21plymouthd20:22:142
1296417281,4sleep11295790-21sendmail-msp20:20:161
1289666281,3sleep11289669-21apt-get20:15:151
1282736280,2sleep2222-21plymouthd20:06:502
1275736280,6sleep11275812-21ps20:00:281
1269900280,1sleep20-21swapper/219:57:042
1269411280,5sleep11269518-21find19:55:271
1263545280,2sleep2222-21plymouthd19:52:322
1263545280,2sleep2222-21plymouthd19:52:312
1256447281,4sleep01256491-21ntpq19:45:240
1250868280,5sleep0222-21plymouthd19:44:150
1218547280,5sleep1222-21plymouthd19:17:101
1209977281,4sleep1222-21plymouthd19:12:091
1665926271,3sleep01665944-21/usr/sbin/munin00:25:120
1664084271,4sleep11657796-21sendmail-msp00:20:401
1641388270,2sleep0222-21plymouthd00:07:410
1610418270,4sleep0222-21plymouthd23:48:560
1609667270,4sleep134-21ksoftirqd/123:46:441
1589050271,4sleep21590230-21kthreadcore23:35:192
1578275270,1sleep20-21swapper/223:26:372
1571315270,1sleep10-21swapper/123:24:001
1571315270,1sleep10-21swapper/123:23:591
1570127270,1sleep20-21swapper/223:20:432
1570127270,1sleep20-21swapper/223:20:432
1562732270,1sleep00-21swapper/023:17:170
1561447270,4sleep21561492-21ntpq23:15:222
1539941271,3sleep21539947-21ssh23:03:552
1531380271,4sleep11531384-21ssh22:56:571
1522477271,4sleep11522527-21ntpq22:50:231
1506537271,3sleep21506681-21ntpq22:40:222
1493533270,3sleep10-21swapper/122:35:121
1476397270,1sleep10-21swapper/122:21:381
1453031270,4sleep11453039-21ssh22:07:131
1446537271,3sleep0222-21plymouthd22:05:120
1429728270,1sleep20-21swapper/221:52:592
1415167270,4sleep11415173-21ssh21:45:121
1415125271,3sleep01415162-21apt-get21:45:110
1407302270,4sleep01406971-21sendmail-msp21:40:140
1405115270,4sleep01405306-21users21:35:290
1389792270,4sleep1222-21plymouthd21:25:431
1383297270,4sleep01383303-21ssh21:24:260
1373439270,4sleep01373468-21ntp_states21:15:240
1368121271,3sleep11368127-21ssh21:15:131
1362086270,5sleep01363414-21kthreadcore21:10:190
1359946270,1sleep20-21swapper/221:09:372
1346940270,4sleep0222-21plymouthd20:59:120
1346784270,3sleep1222-21plymouthd20:57:131
1333995270,1sleep20-21swapper/220:47:242
1321145270,1sleep00-21swapper/020:37:430
1308558270,1sleep10-21swapper/120:29:511
1303880271,4sleep21304482-21kthreadcore20:25:192
1289361270,4sleep21289387-21munin-run20:15:002
1289349270,1sleep10-21swapper/120:14:511
1276845270,3sleep0222-21plymouthd20:05:120
1257192270,4sleep1222-21plymouthd19:47:531
1244710271,3sleep11244486-21sendmail-msp19:40:081
1244220270,4sleep2222-21plymouthd19:37:242
1231434270,4sleep0222-21plymouthd19:27:360
1219251271,3sleep11219365-21fw_packets19:20:151
1686867261,2sleep1222-21plymouthd00:35:241
1681574260,3sleep21681580-21ssh00:35:132
1664901260,3sleep21664907-21ssh00:23:062
1634770260,3sleep11634926-21diskstats00:05:171
1629636260,3sleep21630934-21ssh00:00:212
1624197261,2sleep00-21swapper/023:55:220
1618892260,3sleep11618900-21ssh23:55:061
1609408260,3sleep21609414-21ssh23:46:052
1594330260,1sleep00-21swapper/023:37:530
1585968260,1sleep00-21swapper/023:31:240
1572418260,3sleep11572972-21sed23:25:151
1555158260,4sleep00-21swapper/023:12:520
1516363260,1sleep20-21swapper/222:48:442
1461303260,4sleep00-21swapper/022:13:310
1436892261,2sleep10-21swapper/121:55:551
1391634260,3sleep01391663-21acpi21:30:110
1366437260,1sleep10-21swapper/121:11:121
1353341260,1sleep10-21swapper/121:02:261
1333854260,1sleep10-21swapper/120:45:341
1327597260,3sleep1222-21plymouthd20:42:351
1327476260,2sleep2222-21plymouthd20:40:582
1314939260,1sleep00-21swapper/020:34:430
1302480260,3sleep01302513-21apt-get20:25:130
1295646260,2sleep2222-21plymouthd20:18:572
1289123260,1sleep00-21swapper/020:11:590
1276881261,2sleep10-21swapper/120:05:131
1276352261,2sleep0222-21plymouthd20:02:110
1263452260,1sleep10-21swapper/119:51:181
1263452260,1sleep10-21swapper/119:51:181
1237622260,1sleep20-21swapper/219:30:382
1231582260,1sleep10-21swapper/119:29:291
1430783250,3sleep20-21swapper/221:55:112
1383900250,2sleep00-21swapper/021:25:150
1328063250,2sleep0222-21plymouthd20:45:130
1263476250,2sleep0222-21plymouthd19:51:370
1263476250,2sleep0222-21plymouthd19:51:370
1224972250,2sleep0222-21plymouthd19:21:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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