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2026-07-31 - 08:27
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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 Jul 31, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
143480422000,1sleep01434801-21ntpq19:45:210
1382401992926,1cyclictest0-21swapper/322:40:013
1382401992926,1cyclictest0-21swapper/319:20:163
1382401992623,1cyclictest0-21swapper/323:05:013
1382401992320,1cyclictest0-21swapper/320:40:163
1382401992320,1cyclictest0-21swapper/300:20:203
1382401992320,1cyclictest0-21swapper/300:10:203
1382401992220,1cyclictest0-21swapper/320:00:033
1382401992219,1cyclictest0-21swapper/323:45:263
1382401992118,1cyclictest0-21swapper/322:30:273
1382401992118,1cyclictest0-21swapper/322:20:113
1382401992118,1cyclictest0-21swapper/321:40:283
1382401992118,1cyclictest0-21swapper/320:40:013
138240199202,13cyclictest1709418-21taskset22:55:273
1382401992017,1cyclictest0-21swapper/323:05:503
1382401992017,1cyclictest0-21swapper/322:40:193
1382401992017,1cyclictest0-21swapper/322:20:013
1382401992017,1cyclictest0-21swapper/321:20:013
1382401992011,7cyclictest16250662sleep322:05:133
138240199201,13cyclictest1525666-21taskset21:00:003
138240199199,7cyclictest16082032sleep321:52:553
138240199192,13cyclictest1781131-21taskset23:42:103
138240199192,13cyclictest1486948-21taskset20:28:373
1382401991917,1cyclictest0-21swapper/323:20:003
1382401991916,1cyclictest0-21swapper/322:04:353
1382401991916,1cyclictest0-21swapper/321:45:263
1382401991916,1cyclictest0-21swapper/300:05:203
138240199191,13cyclictest1766568-21taskset23:35:013
138240199191,13cyclictest1703504-21taskset22:54:563
138240199191,13cyclictest1703504-21taskset22:54:553
138240199191,13cyclictest1577794-21taskset21:35:013
138240199190,14cyclictest1480679-21taskset20:25:023
138240199188,7cyclictest14360032sleep319:50:073
1382401991816,0cyclictest0-21swapper/319:15:203
1382401991815,1cyclictest0-21swapper/323:12:033
1382401991815,1cyclictest0-21swapper/322:47:023
1382401991815,1cyclictest0-21swapper/322:25:023
1382401991815,1cyclictest0-21swapper/322:10:203
1382401991815,1cyclictest0-21swapper/321:15:223
1382401991815,1cyclictest0-21swapper/320:54:593
1382401991815,1cyclictest0-21swapper/300:40:003
138240199181,13cyclictest1859436-21taskset00:31:343
138240199181,13cyclictest1851389-21taskset00:26:123
138240199181,13cyclictest1796270-21taskset23:50:443
138240199181,13cyclictest1757421-21taskset23:27:123
138240199181,13cyclictest1609345-21chrt21:55:133
138240199181,13cyclictest1574461-21taskset21:30:193
138240199181,13cyclictest1544914-21taskset21:11:273
138240199181,13cyclictest1537496-21chrt21:05:233
138240199181,13cyclictest1525345-21taskset20:59:253
138240199181,13cyclictest1473988-21taskset20:17:513
138240199181,13cyclictest1448304-21taskset19:57:143
138240199181,13cyclictest1434707-21taskset19:45:203
138240199181,13cyclictest1422712-21taskset19:37:383
138240199181,13cyclictest1416397-21taskset19:33:333
138240199181,12cyclictest1798115-21chrt23:55:063
138240199181,12cyclictest1461656-21taskset20:10:023
138240199181,12cyclictest1455317-21chrt20:05:123
1382401991714,1cyclictest0-21swapper/319:40:323
1382401991713,1cyclictest0-21swapper/323:20:013
1382401991713,1cyclictest0-21swapper/321:25:203
138240199171,13cyclictest1829428-21taskset00:15:033
138240199171,13cyclictest1805929-21taskset00:00:023
138240199171,13cyclictest1768208-21taskset23:35:183
138240199171,13cyclictest1512649-21taskset20:49:463
138240199171,13cyclictest1409818-21taskset19:26:083
138240199171,12cyclictest1493069-21taskset20:30:273
138240199171,12cyclictest1382604-21chrt19:10:123
16636672159,3sleep11663673-21ssh22:28:531
15525492151,4sleep01552555-21ssh21:16:020
18435132141,9sleep21843517-21ssh00:20:592
15843552140,7sleep21584363-21ssh21:37:012
14091822143,7sleep11409219-21ntpq19:25:221
17249542131,4sleep11724995-21ntpq23:05:261
17110202130,9sleep11711026-21ssh22:58:551
16486332131,9sleep21648351-21sendmail-msp22:20:072
16152332131,9sleep11615241-21ssh21:55:441
17839272121,8sleep01785545-21cat23:45:170
17424132120,9sleep11742419-21ssh23:18:491
15857842121,9sleep00-21swapper/021:40:130
15452872121,8sleep01545293-21ssh21:12:340
18660842110,8sleep11866226-21ssh00:35:221
18200852111,7sleep21820091-21ssh00:06:322
18138622111,2sleep00-21swapper/000:05:140
18007092111,8sleep0222-21plymouthd23:55:190
17740222110,7sleep11774028-21ssh23:39:301
17117612116,2sleep10-21swapper/123:00:151
16886082110,7sleep11689182-21irqrtprio22:45:171
15801302110,8sleep11581776-21kthreadcore21:35:201
13980472110,8sleep11397327-21sendmail-msp19:20:181
13778312110,2sleep1321rcuc/119:05:161
13761942111,4sleep21376227-21apt-get19:05:112
18235952101,6sleep11825343-21cut00:10:251
18203732100,7sleep11820379-21ssh00:07:231
17562622100,3sleep21756354-21ntpq23:25:232
16801462100,7sleep21679855-21apt-get22:40:042
16241832100,3sleep1222-21plymouthd22:03:301
16188432101,6sleep01620152-21cut22:00:200
15774472100,7sleep21577448-21sh21:34:402
15754712100,2sleep10-21swapper/121:30:271
15318812101,6sleep01531903-21munin-run21:05:000
15317322100,2sleep1222-21plymouthd21:03:041
14932262100,2sleep2222-21plymouthd20:32:142
14773962101,6sleep21474214-21sendmail-msp20:20:202
14613142100,1sleep10-21swapper/120:08:521
14557402100,7sleep21456511-21sed20:05:162
14488452101,5sleep01448578-21sendmail-msp20:00:130
14428042101,6sleep11443144-21irqcore19:55:171
14228122100,1sleep10-21swapper/119:38:571
13825672102,4sleep11382600-21apt-get19:10:111
13821432100,1sleep00-21swapper/019:08:290
13762302101,4sleep30-21swapper/319:05:123
1861465290,2sleep00-21swapper/000:35:170
1851913290,2sleep0222-21plymouthd00:27:350
1845284290,2sleep20-21swapper/200:25:122
1813106290,2sleep0222-21plymouthd00:03:500
1806938290,6sleep21807558-21kthreadcore00:00:182
1782474292,4sleep21782498-21apt-get23:45:122
1750776291,4sleep01750838-21munin-run23:25:000
1743145291,5sleep2249-21jbd2/sda2-823:20:052
1741403290,2sleep2222-21plymouthd23:15:572
1725688290,2sleep0222-21plymouthd23:05:570
1677552290,6sleep01677588-21ntpq22:35:220
1667319290,6sleep01669127-21kthreadcore22:30:190
1650000290,6sleep01650654-21kthreadcore22:20:170
1640746290,7sleep01640754-21ssh22:15:090
1630200290,2sleep01630294-21ntpq22:05:230
1606719291,5sleep01606762-21ntpq21:50:220
1586221291,5sleep11586724-21sed21:40:181
1545738290,2sleep1222-21plymouthd21:13:431
1533151290,6sleep01533809-21kthreadcore21:05:160
1511734291,5sleep21511773-21ntpq20:45:222
1506263290,5sleep1222-21plymouthd20:44:161
1461706290,2sleep10-21swapper/120:10:121
1445665290,7sleep01447350-21latency19:55:200
1436014292,4sleep01436047-21apt-get19:50:120
1416508291,4sleep11416564-21munin-run19:35:011
1868042280,2sleep20-21swapper/200:38:472
1859506280,1sleep20-21swapper/200:31:472
1858470281,4sleep01858516-21ntp_states00:30:240
1843848281,4sleep11843854-21ssh00:21:551
1837421281,4sleep01837425-21ssh00:20:140
1828591281,4sleep21828596-21diskmemload00:13:252
1806449281,4sleep186188-21systemd-journal00:00:171
1780807281,3sleep11780813-21ssh23:41:211
1780122280,1sleep0222-21plymouthd23:40:280
1780000281,4sleep21780031-21ntpq23:40:262
1756650281,4sleep01756799-21wc23:25:290
1748612281,4sleep11748639-21ntp_states23:20:241
1735381280,5sleep01538361-21diskmemload23:15:150
1717116281,4sleep21717157-21ntpq23:00:292
1703044280,2sleep1222-21plymouthd22:53:381
1703044280,2sleep1222-21plymouthd22:53:381
1694283282,3sleep2222-21plymouthd22:46:022
1679183280,2sleep21679189-21ssh22:38:082
1663841280,1sleep00-21swapper/022:29:190
1632850281,3sleep01632887-21apt-get22:10:110
1614563281,4sleep01614607-21ntpq21:55:230
1595453280,6sleep21597055-21kthreadcore21:45:192
1594695280,5sleep11595452-21tr21:45:181
1570041284,2sleep0151ktimers/021:30:140
1568633281,3sleep1222-21plymouthd21:27:061
1559738281,5sleep21559784-21ntpq21:20:252
1555943280,5sleep01557278-21cat21:20:200
1553543281,4sleep2222-21plymouthd21:18:422
1528557282,3sleep21530088-21kthreadcore21:00:202
1512667280,1sleep00-21swapper/020:50:000
1495861280,5sleep11496771-21kthreadcore20:35:191
1486196281,4sleep11486223-21ntpq20:25:251
1480930281,3sleep20-21swapper/220:25:132
1479783282,4sleep01474214-21sendmail-msp20:20:250
1473860280,2sleep0222-21plymouthd20:16:180
1461313280,2sleep0222-21plymouthd20:08:510
1436052281,4sleep21436208-21diskstats19:50:142
1429836281,5sleep11430019-21gltestperf19:45:151
1424627280,5sleep11426034-21tr19:40:181
1403526281,3sleep2222-21plymouthd19:22:022
1397114280,5sleep0222-21plymouthd19:18:030
1393501283,2sleep11394206-21kthreadcore19:15:201
1388482280,1sleep0222-21plymouthd19:11:430
1859572270,1sleep10-21swapper/100:31:581
1846393271,3sleep11847311-21grep00:25:191
1829465271,3sleep01829470-21diskmemload00:15:080
1804393270,1sleep20-21swapper/223:56:352
1804020270,1sleep10-21swapper/123:55:361
1796305270,1sleep00-21swapper/023:50:510
1788414270,1sleep10-21swapper/123:45:391
1758736270,3sleep2222-21plymouthd23:30:032
1751119271,2sleep10-21swapper/123:25:141
1733592270,5sleep11733597-21sh23:11:021
1733562271,3sleep0222-21plymouthd23:10:570
1711969270,4sleep01712065-21fschecks_time23:00:180
1710074270,4sleep0222-21plymouthd22:56:270
1702024271,3sleep0222-21plymouthd22:50:490
1702024271,3sleep0222-21plymouthd22:50:480
1695288270,1sleep00-21swapper/022:48:480
1674423271,3sleep11676058-21kthreadcore22:35:191
1669772270,4sleep11617149-21kworker/u16:1+rpciod22:30:241
1654771270,1sleep10-21swapper/122:20:541
1640755270,4sleep11640761-21ssh22:15:101
1632894270,4sleep21633056-21diskstats22:10:142
1631684271,3sleep2222-21plymouthd22:07:322
1609338271,3sleep21609333-21apt-get21:55:132
1606810270,4sleep21606837-21ntp_states21:50:252
1606764271,3sleep11606803-21ntpq21:50:241
1593742271,3sleep01593794-21/usr/sbin/munin21:45:130
1586725271,3sleep21587259-21tr21:40:192
1584267270,1sleep0222-21plymouthd21:36:470
1563420270,4sleep21564184-21grep21:25:182
1554348271,3sleep10-21swapper/121:20:131
1553993270,4sleep11-21systemd21:20:001
1544198271,3sleep21544316-21ssh21:10:272
1538071270,3sleep1222-21plymouthd21:06:341
1525266271,3sleep1222-21plymouthd20:58:241
1512335270,3sleep1222-21plymouthd20:45:451
1506591270,3sleep01506623-21apt-get20:45:120
1505216271,3sleep21499890-21sendmail-msp20:40:202
1499535270,1sleep00-21swapper/020:36:140
1493944270,4sleep21494132-21basename20:35:152
1492481270,3sleep11492520-21ntpq20:30:211
1479667270,3sleep11479702-21ntpq20:20:221
1473947271,3sleep272-21kcompactd020:17:192
1473225271,3sleep11473265-21ntpq20:15:211
1467786270,4sleep0222-21plymouthd20:15:000
1454662271,3sleep1222-21plymouthd20:00:351
1448206271,3sleep2222-21plymouthd19:56:022
1429624270,1sleep20-21swapper/219:45:032
1426035271,3sleep20-21swapper/219:40:192
1422089270,1sleep20-21swapper/219:35:252
1416780271,3sleep01416813-21apt-get19:35:110
1396982271,3sleep2222-21plymouthd19:16:262
1836886260,4sleep10-21swapper/100:19:381
1836775260,3sleep2222-21plymouthd00:19:152
1828563260,3sleep0222-21plymouthd00:13:160
1796780260,1sleep20-21swapper/223:52:092
1796283260,1sleep10-21swapper/123:50:471
1772701260,3sleep21772707-21ssh23:35:502
1769786261,3sleep01771176-21ssh23:35:190
1758838260,3sleep01758989-21df23:30:130
1732775261,3sleep20-21swapper/223:10:232
1719657260,4sleep20-21swapper/223:05:102
1711156260,4sleep21617149-21kworker/u16:1+rpciod22:59:242
1703209260,1sleep20-21swapper/222:54:042
1703209260,1sleep20-21swapper/222:54:032
1686268260,3sleep01686274-21ssh22:40:380
1680418261,2sleep10-21swapper/122:40:151
1670639260,3sleep2222-21plymouthd22:31:222
1657027260,4sleep21657583-21irqrtprio22:25:172
1640762261,2sleep2222-21plymouthd22:15:102
1623657260,3sleep2222-21plymouthd22:02:042
1562235261,3sleep01562272-21apt-get21:25:120
1518800260,3sleep1222-21plymouthd20:52:061
1500118260,4sleep087-1kworker/0:1H+kblockd20:40:100
1487360260,3sleep0222-21plymouthd20:30:120
1454717260,2sleep2222-21plymouthd20:01:162
1442038260,1sleep10-21swapper/119:53:491
1429059260,3sleep0222-21plymouthd19:41:300
1416453260,3sleep2222-21plymouthd19:34:172
1397587260,3sleep0222-21plymouthd19:20:130
1382603260,2sleep20-21swapper/219:10:122
1764802250,2sleep1222-21plymouthd23:30:471
1638948251,2sleep10-21swapper/122:10:521
1624989250,2sleep1222-21plymouthd22:05:031
1538100250,2sleep2222-21plymouthd21:06:552
1525223250,2sleep0222-21plymouthd20:57:510
1519486250,3sleep21519556-21grep20:55:162
1518786250,2sleep2222-21plymouthd20:51:552
1483382251,2sleep00-21swapper/020:25:200
1467618250,2sleep2222-21plymouthd20:12:512
1410394250,2sleep00-21swapper/019:30:150
1409847250,2sleep2222-21plymouthd19:26:312
1404024250,1sleep00-21swapper/019:25:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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