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2026-05-22 - 11:53
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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 Fri May 22, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
167589221260,2sleep1321rcuc/121:40:151
1471089992219,1cyclictest0-21swapper/300:15:223
147108999212,15cyclictest1589170-21taskset20:40:043
147108999212,14cyclictest1477215-21taskset19:11:483
1471089992110,7cyclictest18322322sleep323:17:333
1471089992016,1cyclictest0-21swapper/321:55:293
147108999201,15cyclictest1863444-21taskset23:36:293
147108999192,13cyclictest1880539-21turbostat23:50:003
1471089991916,1cyclictest0-21swapper/323:00:003
1471089991916,1cyclictest0-21swapper/322:20:003
1471089991916,1cyclictest0-21swapper/320:15:133
1471089991916,1cyclictest0-21swapper/320:00:123
147108999191,14cyclictest1571227-21taskset20:25:163
147108999191,14cyclictest1530804-21taskset19:52:213
147108999191,13cyclictest1958354-21taskset00:36:263
147108999191,13cyclictest1944128-21taskset00:30:093
147108999190,14cyclictest1595601-21taskset20:45:013
147108999188,6cyclictest1621098-21turbostat21:05:003
147108999182,13cyclictest1759674-21taskset22:30:213
1471089991815,1cyclictest0-21swapper/323:10:113
1471089991815,1cyclictest0-21swapper/322:05:013
1471089991815,1cyclictest0-21swapper/321:10:193
1471089991815,1cyclictest0-21swapper/319:30:253
147108999181,14cyclictest1643733-21chrt21:20:133
147108999181,14cyclictest1622941-21taskset21:05:173
147108999181,13cyclictest1936678-21taskset00:25:163
147108999181,13cyclictest1935225-21taskset00:23:033
147108999181,13cyclictest1789368-21taskset22:50:183
147108999181,13cyclictest1768422-21taskset22:36:103
147108999181,13cyclictest1768422-21taskset22:36:103
147108999181,13cyclictest1721782-21taskset22:08:203
147108999181,13cyclictest1671882-21taskset21:35:203
147108999181,13cyclictest1657710-21taskset21:26:103
147108999181,13cyclictest1588568-21taskset20:35:513
147108999181,13cyclictest1524560-21sleep19:50:003
147108999181,13cyclictest1518144-21turbostat19:45:003
147108999181,13cyclictest1486025-21turbostat19:20:003
147108999181,12cyclictest1722765-21chrt22:10:113
147108999181,12cyclictest1556547-21taskset20:12:383
147108999180,15cyclictest1896684-21taskset00:00:023
15367552171,12sleep30-21swapper/319:55:273
147108999179,6cyclictest17772972sleep322:43:493
147108999176,8cyclictest1896052-21taskset23:59:183
1471089991714,1cyclictest0-21swapper/323:40:023
1471089991714,1cyclictest0-21swapper/321:50:193
1471089991714,1cyclictest0-21swapper/321:18:123
1471089991714,1cyclictest0-21swapper/319:40:013
147108999171,13cyclictest1880857-21taskset23:50:123
147108999171,13cyclictest1839633-21taskset23:21:053
147108999171,13cyclictest1784368-21taskset22:46:333
147108999171,13cyclictest1745668-21taskset22:23:363
147108999171,12cyclictest1841341-21taskset23:25:063
147108999171,12cyclictest1809766-21chrt23:05:133
147108999171,12cyclictest1807698-21taskset23:00:323
147108999171,12cyclictest1746486-21taskset22:25:043
147108999171,12cyclictest1689367-21taskset21:46:113
147108999171,12cyclictest1681190-21taskset21:40:303
147108999171,12cyclictest1665793-21taskset21:31:393
147108999171,12cyclictest1563476-21chrt20:20:113
147108999171,12cyclictest1549997-21taskset20:05:483
147108999171,12cyclictest1493004-21taskset19:25:153
1471089991613,1cyclictest0-21swapper/300:10:133
147108999161,12cyclictest1905125-21taskset00:05:153
147108999161,12cyclictest1855262-21taskset23:30:433
147108999161,12cyclictest1614273-21taskset20:55:473
147108999161,12cyclictest1607818-21taskset20:50:263
147108999161,12cyclictest1582133-21taskset20:31:383
147108999161,12cyclictest1492211-21taskset19:21:543
147108999161,12cyclictest1492211-21taskset19:21:543
146534921611,3sleep11466140-21irqrtprio19:05:211
18002032151,11sleep11800205-21ssh22:56:421
17991692151,11sleep21799212-21ntpq22:55:232
17320432141,7sleep21732990-21kthreadcore22:15:182
16532252141,9sleep20-21swapper/221:25:182
15686552144,7sleep01568700-21gcc20:20:210
15310072141,5sleep186188-21systemd-journal19:55:011
14707492140,2sleep30-21swapper/319:07:123
17838432131,9sleep01783987-21/usr/sbin/munin22:45:270
17459862131,2sleep20-21swapper/222:24:282
18859832121,6sleep01886101-21ntpq23:50:220
18401092120,8sleep11840115-21ssh23:22:241
18232052120,9sleep11823446-21tail23:10:261
17772632120,9sleep21777269-21ssh22:43:442
16887362120,9sleep11688913-21grep21:45:261
15698632121,2sleep20-21swapper/220:25:122
19277872111,7sleep21927791-21ssh00:19:302
18083292110,1sleep00-21swapper/023:02:190
17982112110,8sleep01799020-21memory22:55:210
17932402110,8sleep11793246-21ssh22:54:101
17919672110,3sleep21791973-21ssh22:50:422
17205782110,3sleep10-21swapper/122:05:261
17148692112,5sleep21714867-21apt-get22:05:112
16441942110,1sleep20-21swapper/221:20:162
16419642112,7sleep1222-21plymouthd21:16:151
19380682100,7sleep11939708-21cut00:25:191
18907682101,6sleep01892433-21cut23:55:190
18101502103,4sleep21810642-21cut23:05:172
18021502100,3sleep21802346-21irqcore23:00:162
17465812101,6sleep01746738-21df_inode22:25:140
17464722100,8sleep11746479-21sh22:25:031
17306152101,6sleep01730652-21apt-get22:15:120
16735702100,7sleep11673576-21ssh21:36:281
16594922100,7sleep01659652-21/usr/sbin/munin21:30:120
16436902102,4sleep11643725-21apt-get21:20:121
15944522101,5sleep01594484-21ntp_states20:40:220
15341952100,7sleep01536074-21cut19:55:200
14649222101,4sleep01464919-21apt-get19:05:120
1933622291,4sleep11933675-21ntpq00:20:221
1925549290,6sleep11925701-21ld00:15:211
1912224290,6sleep21912369-21cat00:10:002
1896779291,4sleep0222-21plymouthd00:00:120
1894384290,6sleep11894631-21uptime23:55:281
1887500290,2sleep1222-21plymouthd23:52:351
1879607290,2sleep0222-21plymouthd23:47:330
1875760290,5sleep21877479-21kthreadcore23:45:192
1865115290,4sleep1222-21plymouthd23:40:121
1862493291,4sleep01862539-21ntpq23:35:220
1857204292,4sleep21857201-21apt-get23:35:122
1857162291,4sleep11857198-21ssh23:35:111
1826958291,5sleep01828454-21kthreadcore23:15:180
1811172290,6sleep01812694-21kthreadcore23:05:190
1761159290,7sleep21761165-21ssh22:32:542
1753251290,6sleep21627539-21diskmemload22:27:492
1738496290,6sleep186188-21systemd-journal22:20:021
1735784290,6sleep11730618-21/usr/sbin/munin22:15:211
1713215290,2sleep2222-21plymouthd22:01:262
1664760291,5sleep1222-21plymouthd21:30:221
1621136290,2sleep2222-21plymouthd21:05:012
1614409290,1sleep20-21swapper/220:57:312
1601797291,5sleep01601829-21awk20:50:000
1563150291,4sleep01563211-21sendmail-msp20:20:010
1543836290,2sleep2222-21plymouthd20:04:162
1531283291,5sleep1222-21plymouthd19:55:131
1524388290,2sleep0222-21plymouthd19:48:100
1523915290,2sleep1222-21plymouthd19:45:261
1517999290,2sleep2222-21plymouthd19:43:262
1511355290,2sleep0222-21plymouthd19:35:590
1951569281,4sleep21855786-21kworker/u16:2+xprtiod00:34:302
1920055281,4sleep2222-21plymouthd00:14:572
1919833280,2sleep11919839-21ssh00:14:241
1904843281,4sleep11904640-21/usr/sbin/munin00:05:141
1903849281,4sleep11903854-21diskmemload00:03:421
1894885282,3sleep2222-21plymouthd23:56:132
1879531280,5sleep1222-21plymouthd23:47:141
1872290280,5sleep2222-21plymouthd23:44:022
1856422280,2sleep0222-21plymouthd23:33:540
1854543281,4sleep11854577-21ntpq23:30:221
1846975281,5sleep01847218-21/usr/sbin/munin23:25:280
1825500281,3sleep21825535-21apt-get23:15:122
1767639280,5sleep01697428-21kworker/u16:3+xprtiod22:35:240
1767639280,5sleep01697428-21kworker/u16:3+xprtiod22:35:240
1761943281,4sleep01762002-21munin-run22:35:000
1729607280,1sleep2222-21plymouthd22:13:092
1692859281,4sleep11694487-21grep21:50:191
1674336281,4sleep21674344-21ssh21:38:332
1636729280,5sleep21637366-21kthreadcore21:15:202
1635736281,3sleep01635777-21ssh21:15:140
1634495280,1sleep10-21swapper/121:12:261
1620221281,4sleep21620249-21ntpq21:00:242
1608646280,5sleep11608841-21grep20:55:141
1589219281,3sleep20-21swapper/220:40:122
1582049280,2sleep1222-21plymouthd20:30:331
1556444280,2sleep1222-21plymouthd20:11:201
1498584281,3sleep0222-21plymouthd19:26:450
1477241280,4sleep1222-21plymouthd19:12:071
1476918281,4sleep21477103-21users19:10:282
1959121270,1sleep00-21swapper/000:38:410
1959046270,1sleep20-21swapper/200:38:232
1953042270,4sleep11953789-21cut00:35:171
1951748272,3sleep01951773-21turbostat00:34:590
1937233271,3sleep0222-21plymouthd00:25:180
1933679271,3sleep21933725-21ntpq00:20:232
1928806270,4sleep0222-21plymouthd00:20:170
1927283270,4sleep01927289-21ssh00:18:080
1918575270,2sleep0171rcu_preempt00:10:550
1903352270,1sleep20-21swapper/200:02:192
1865075271,3sleep01865114-21apt-get23:40:110
1855515270,1sleep20-21swapper/223:31:232
1846415270,4sleep11846514-21ssh23:25:211
1842178271,3sleep20-21swapper/223:25:182
1831659270,1sleep10-21swapper/123:16:071
1817615271,2sleep20-21swapper/223:10:102
1776847271,4sleep11776849-21ssh22:42:391
1772105271,3sleep01773722-21kthreadcore22:40:170
1762765270,4sleep11763630-21cut22:35:171
1762765270,4sleep11763630-21cut22:35:171
1754401271,2sleep11754426-21apt-get22:30:121
1743864270,4sleep01743907-21ntpq22:20:210
1706472270,2sleep0222-21plymouthd21:59:440
1699252270,4sleep21699440-21ls21:55:172
1697453270,4sleep21697459-21ssh21:51:442
1689173270,3sleep21689181-21ssh21:45:432
1674401270,5sleep01674408-21sh21:38:430
1664808270,4sleep21664851-21ntp_states21:30:232
1658617270,5sleep00-21swapper/021:28:370
1634333270,4sleep21634339-21ssh21:12:032
1627852271,2sleep00-21swapper/021:10:130
1614536270,1sleep00-21swapper/020:59:100
1597201270,5sleep21598928-21cut20:45:172
1589182271,3sleep11589216-21apt-get20:40:111
1563426271,4sleep21563211-21sendmail-msp20:20:032
1549975270,1sleep10-21swapper/120:05:311
1537920270,4sleep11538035-21perl20:00:141
1537203270,4sleep2222-21plymouthd19:56:582
1524865271,2sleep00-21swapper/019:50:110
1523669271,3sleep21523696-21ntpq19:45:232
1505099270,1sleep00-21swapper/019:32:470
1499123270,3sleep2222-21plymouthd19:30:122
1492268270,1sleep00-21swapper/019:22:360
1492268270,1sleep00-21swapper/019:22:360
1486280270,1sleep1222-21plymouthd19:20:051
1486280270,1sleep1222-21plymouthd19:20:051
1485811270,3sleep1222-21plymouthd19:17:321
1485736270,3sleep0222-21plymouthd19:16:390
1477247271,3sleep0222-21plymouthd19:12:100
1470009271,3sleep2222-21plymouthd19:05:262
1883591260,3sleep21885300-21kthreadcore23:50:202
1839971260,2sleep0222-21plymouthd23:22:030
1819050261,3sleep01820346-21kthreadcore23:10:160
1808468260,3sleep11808474-21ssh23:02:401
1793289260,1sleep00-21swapper/022:54:170
1784331261,3sleep11784339-21ssh22:46:281
1779013260,3sleep21779888-21kthreadcore22:45:172
1728301260,4sleep10-21swapper/122:10:271
1712977260,3sleep11712983-21ssh22:00:491
1698195263,1sleep00-21swapper/021:53:470
1689267260,1sleep00-21swapper/021:45:570
1682555260,2sleep2222-21plymouthd21:44:142
1681648260,3sleep01681654-21ssh21:41:480
1658391261,2sleep11658397-21ssh21:28:021
1649987260,1sleep00-21swapper/021:21:350
1621551260,3sleep01621751-21hddtemp_smartct21:05:150
1621354260,3sleep1222-21plymouthd21:05:121
1621039260,4sleep10-21swapper/121:04:281
1602102261,2sleep00-21swapper/020:50:120
1601695260,1sleep10-21swapper/120:48:411
1588777260,3sleep2222-21plymouthd20:38:312
1588581260,2sleep1222-21plymouthd20:36:021
1582132260,4sleep20-21swapper/220:31:382
1572398261,2sleep00-21swapper/020:25:180
1563312260,3sleep10-21swapper/120:20:021
1557007260,3sleep2222-21plymouthd20:15:102
1556643260,3sleep2222-21plymouthd20:13:542
1550592261,2sleep00-21swapper/020:10:110
1550048260,3sleep2222-21plymouthd20:06:282
1544162260,3sleep0222-21plymouthd20:05:100
1543718260,1sleep00-21swapper/020:02:450
1526808261,2sleep20-21swapper/219:50:172
1517799260,4sleep1222-21plymouthd19:40:531
1511639260,3sleep2222-21plymouthd19:39:382
1511408260,1sleep10-21swapper/119:36:411
1498667260,1sleep20-21swapper/219:27:482
1492240260,1sleep20-21swapper/219:22:142
1492240260,1sleep20-21swapper/219:22:142
1485723261,2sleep2222-21plymouthd19:16:292
1947242250,2sleep1222-21plymouthd00:30:201
1942742252,1sleep20-21swapper/200:27:042
1905983250,2sleep0222-21plymouthd00:05:170
1838870250,2sleep20-21swapper/223:20:252
1812696251,2sleep10-21swapper/123:05:201
1763631250,3sleep21764126-21ssh22:35:182
1763631250,3sleep21764126-21ssh22:35:182
1728031250,2sleep0222-21plymouthd22:10:220
1715029250,3sleep01715057-21ssh22:05:130
1707422250,3sleep01707670-21cut22:00:160
1700468251,2sleep10-21swapper/121:55:201
1616330250,3sleep01617499-21kthreadcore21:00:180
1607830250,2sleep2222-21plymouthd20:50:302
1602060250,2sleep1222-21plymouthd20:50:091
1582693250,2sleep00-21swapper/020:35:050
1576270250,2sleep00-21swapper/020:30:120
1575680250,3sleep10-21swapper/120:26:041
1557046250,2sleep10-21swapper/120:15:131
1517798250,3sleep00-21swapper/019:40:520
1504980250,3sleep1222-21plymouthd19:31:151
1494123251,2sleep1222-21plymouthd19:25:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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