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2026-04-02 - 09:31
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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 376 highest latencies:
System rackeslot8.osadl.org (updated Thu Apr 02, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198278521350,1sleep00-21swapper/023:40:170
1589393992724,1cyclictest0-21swapper/320:40:003
20587152240,2sleep2421rcuc/200:30:182
1589393992421,1cyclictest0-21swapper/319:40:013
1589393992219,1cyclictest0-21swapper/323:15:003
1589393992219,1cyclictest0-21swapper/320:45:173
1589393992118,1cyclictest0-21swapper/322:10:273
158939399211,15cyclictest1856298-21taskset22:20:183
16549912201,10sleep21655072-21awk19:55:252
1589393992018,1cyclictest0-21swapper/319:40:173
1589393992017,1cyclictest0-21swapper/320:55:003
1589393992017,1cyclictest0-21swapper/320:30:163
158939399201,15cyclictest1838040-21taskset22:07:113
158939399201,14cyclictest1822743-21taskset21:58:013
158939399201,14cyclictest1799588-21taskset21:43:093
158939399198,7cyclictest18839472sleep322:35:303
1589393991916,1cyclictest0-21swapper/322:30:173
1589393991916,1cyclictest0-21swapper/321:25:193
1589393991916,1cyclictest0-21swapper/300:10:113
158939399191,14cyclictest2071551-21taskset00:39:333
158939399191,14cyclictest1931767-21taskset23:09:223
158939399191,14cyclictest1688289-21chrt20:25:123
158939399191,14cyclictest1603390-21taskset19:15:213
158939399188,7cyclictest17525542sleep321:11:393
158939399187,7cyclictest16877622sleep320:22:123
1589393991816,1cyclictest0-21swapper/323:20:013
1589393991816,1cyclictest0-21swapper/323:15:173
1589393991815,1cyclictest0-21swapper/322:15:273
1589393991815,1cyclictest0-21swapper/322:00:153
158939399181,14cyclictest1915681-21taskset22:57:473
158939399181,13cyclictest2062869-21taskset00:31:523
158939399181,13cyclictest2048756-21chrt00:25:103
158939399181,13cyclictest2023155-21taskset00:05:223
158939399181,13cyclictest2010053-21taskset00:00:093
158939399181,13cyclictest2009135-21taskset23:58:243
158939399181,13cyclictest1984970-21taskset23:41:043
158939399181,13cyclictest1963579-21taskset23:30:143
158939399181,13cyclictest1800746-21taskset21:45:143
158939399181,13cyclictest1761882-21chrt21:20:123
158939399181,13cyclictest1661998-21taskset20:01:473
158939399181,13cyclictest1623542-21taskset19:33:203
158939399172,12cyclictest1616136-21taskset19:25:183
1589393991714,1cyclictest0-21swapper/323:00:193
1589393991714,1cyclictest0-21swapper/321:15:193
1589393991714,1cyclictest0-21swapper/321:00:253
1589393991714,1cyclictest0-21swapper/320:05:203
1589393991714,1cyclictest0-21swapper/319:10:193
158939399171,13cyclictest1992850-21taskset23:46:173
158939399171,13cyclictest1971450-21taskset23:35:153
158939399171,13cyclictest1906767-21taskset22:50:243
158939399171,13cyclictest1891198-21taskset22:40:223
158939399171,13cyclictest1814288-21taskset21:50:443
158939399171,13cyclictest1790291-21taskset21:35:193
158939399171,13cyclictest1681274-21taskset20:16:503
158939399171,13cyclictest1604625-21taskset19:20:093
158939399171,12cyclictest2033227-21taskset00:15:043
158939399171,12cyclictest1999795-21taskset23:50:233
158939399171,12cyclictest1955590-21taskset23:25:043
158939399171,12cyclictest1893555-21taskset22:45:073
158939399171,12cyclictest1783288-21taskset21:30:383
158939399171,12cyclictest1732684-21taskset20:55:593
158939399171,12cyclictest1655481-21taskset19:55:413
158939399171,12cyclictest1647342-21taskset19:50:213
19762882161,11sleep0222-21plymouthd23:35:210
1589393991613,1cyclictest0-21swapper/322:25:123
158939399161,12cyclictest2047063-21taskset00:20:493
158939399161,12cyclictest1745704-21taskset21:07:303
158939399161,12cyclictest1713759-21turbostat20:45:003
158939399161,12cyclictest1642700-21taskset19:46:193
158939399161,11cyclictest1668939-21taskset20:10:093
15889682161,2sleep30-21swapper/319:06:363
129998160,7rtkit-daemon1868466-21ssh22:25:282
20155052151,11sleep22015624-21python300:00:252
19221312151,9sleep21922174-21ntp_states23:00:232
18135992151,10sleep11813650-21ssh21:50:221
17815892141,9sleep01782433-21memory21:30:210
17137422141,4sleep2222-21plymouthd20:45:002
16110792141,10sleep01611229-21df_inode19:25:120
20650502130,10sleep22065834-21tr00:35:172
20230542131,9sleep12023099-21ntpq00:05:211
20012562131,9sleep12001258-21ssh23:53:151
19687362131,4sleep01968784-21ntpq23:30:250
17192262131,4sleep21719270-21ntpq20:45:212
16040912131,4sleep2222-21plymouthd19:17:002
129998130,5rtkit-daemon739-21wpa_supplicant19:55:280
19887742120,9sleep21990447-21cut23:45:172
19878082121,8sleep11988773-21cat23:45:161
19862922120,9sleep21986558-21sed23:45:022
19090572121,4sleep11909063-21ssh22:55:131
129998120,7rtkit-daemon726-21systemd-logind19:36:330
129998120,1rtkit-daemon0-21swapper/100:29:071
20248492110,8sleep02024855-21ssh00:08:570
19779092110,8sleep21977913-21ssh23:38:032
19544212110,4sleep21954427-21ssh23:22:242
19017552110,2sleep21902679-21irqrtprio22:50:162
18831472110,3sleep11878023-21/usr/sbin/munin22:35:211
18467712110,8sleep11846781-21cron22:14:591
18463502110,8sleep01846356-21ssh22:13:420
16420292110,8sleep11642074-21ld19:45:221
16236722110,4sleep21623798-21latency_hist19:35:002
15964032111,7sleep11595950-21munin-node19:15:031
15835232111,6sleep01583813-21sed19:05:160
129998110,7rtkit-daemon1926220-21cut23:05:182
129998110,7rtkit-daemon1898965-21ntpq22:45:252
20329122100,7sleep12032919-21ssh00:14:551
20100592101,7sleep02010088-21acpi00:00:100
19556672100,7sleep21955821-21ssh23:25:122
19344312100,7sleep21936074-21kthreadcore23:10:172
18339172100,8sleep01835612-21tr22:05:210
17998892101,6sleep11799895-21ssh21:44:011
17836962100,3sleep2222-21plymouthd21:31:552
17684832100,1sleep20-21swapper/221:22:402
17539892100,2sleep0222-21plymouthd21:15:050
17204932101,4sleep0222-21plymouthd20:50:110
16814102100,2sleep1222-21plymouthd20:18:331
16575082101,2sleep20-21swapper/220:00:192
16199092105,3sleep01621773-21kthreadcore19:30:180
16097302100,7sleep01609823-21ld19:20:200
129998100,7rtkit-daemon1000-21snmpd20:43:500
129998100,5rtkit-daemon1696929-21cut20:30:170
129998100,5rtkit-daemon1642036-21ntpq19:45:210
129998100,3rtkit-daemon1595950-21munin-node21:27:560
129998100,1rtkit-daemon0-21swapper/021:53:370
2048399291,5sleep02048503-21cut00:25:000
2025049290,3sleep2222-21plymouthd00:09:312
2010091292,3sleep12010099-21apt-get00:00:111
1999750290,1sleep20-21swapper/223:50:232
1969837290,1sleep10-21swapper/123:32:061
1963019292,4sleep0222-21plymouthd23:29:510
1947470291,5sleep21947476-21ssh23:19:512
1885856290,2sleep00-21swapper/022:40:120
1875581291,5sleep01875624-21ntpq22:30:220
1838693290,2sleep2222-21plymouthd22:09:112
1799706290,1sleep2222-21plymouthd21:43:302
1791713291,6sleep11791719-21ssh21:37:431
1754458291,4sleep11754563-21grep21:15:181
1753626292,4sleep21732746-21kworker/u16:0+xprtiod21:14:472
1739728291,5sleep00-21swapper/021:05:100
1739725290,1sleep20-21swapper/221:05:082
1682002290,6sleep21682080-21fschecks_time20:20:152
1681177290,2sleep0222-21plymouthd20:15:360
1675101290,6sleep11675113-21unix_chkpwd20:15:001
1649286290,6sleep2222-21plymouthd19:53:542
1589068290,2sleep10-21swapper/119:07:531
12999890,6rtkit-daemon222-21plymouthd00:36:491
12999890,5rtkit-daemon739-21wpa_supplicant20:36:300
12999890,5rtkit-daemon222-21plymouthd20:20:260
12999890,5rtkit-daemon222-21plymouthd20:06:420
12999890,5rtkit-daemon222-21plymouthd20:02:480
12999890,4rtkit-daemon222-21plymouthd20:47:260
12999890,4rtkit-daemon1986321-21apt-get23:45:050
12999890,4rtkit-daemon1940129-21ssh23:15:131
12999890,4rtkit-daemon1767220-21ntpq21:20:230
12999890,4rtkit-daemon1643290-21apt-get19:50:130
12999890,4rtkit-daemon1630597-21diskstats19:40:140
2069576281,3sleep02069624-21ntpq00:35:230
2062955282,3sleep1222-21plymouthd00:32:071
2055279284,2sleep22195379-21ntpd00:27:192
2047253280,2sleep22047257-21ssh00:21:332
2025494281,4sleep02025527-21apt-get00:10:090
1939754281,4sleep01939789-21munin-run23:15:010
1931998281,4sleep11932012-21unix_chkpwd23:10:001
1906653281,4sleep11906683-21ntpq22:50:231
1882091281,4sleep01883146-21memory22:35:200
1854840280,4sleep11854875-21apt-get22:20:131
1839306281,3sleep21839343-21apt-get22:10:112
1777793280,4sleep11778728-21irqstats21:30:181
1739442280,5sleep2222-21plymouthd21:04:482
1725696281,4sleep21725743-21ntp_states20:50:212
1714071281,3sleep11714073-21apt-get20:45:121
1694396281,4sleep11-21systemd20:30:011
1681189280,2sleep2222-21plymouthd20:15:462
1656101280,2sleep1222-21plymouthd20:00:091
1630113281,4sleep11630254-21latency_hist19:40:011
1623463282,3sleep1222-21plymouthd19:32:201
1590525280,5sleep11591535-21kthreadcore19:10:181
1583118280,3sleep2222-21plymouthd19:05:072
12999880,5rtkit-daemon703-21mta-sts-daemon22:30:062
12999880,5rtkit-daemon703-21mta-sts-daemon21:47:250
12999880,4rtkit-daemon703-21mta-sts-daemon22:15:040
12999880,4rtkit-daemon3428581-21gmain20:58:330
12999880,4rtkit-daemon3428581-21gmain00:21:251
12999880,4rtkit-daemon222-21plymouthd23:58:091
12999880,4rtkit-daemon222-21plymouthd21:41:410
12999880,4rtkit-daemon1815676-21ssh21:54:542
12999880,4rtkit-daemon1739408-21chrt21:04:210
12999880,4rtkit-daemon1589387-21cyclictest22:43:522
12999880,4rtkit-daemon1-21systemd22:37:142
12999880,4rtkit-daemon1-21systemd21:38:460
12999880,4rtkit-daemon1-21systemd00:17:291
12999880,4rtkit-daemon1000-21snmpd21:10:040
12999880,4rtkit-daemon1000-21snmpd19:17:260
12999880,3rtkit-daemon222-21plymouthd23:36:081
12999880,3rtkit-daemon222-21plymouthd22:22:362
2055901270,1sleep00-21swapper/000:29:100
2031687270,4sleep2222-21plymouthd00:11:152
1970009270,1sleep20-21swapper/223:32:342
1939153271,4sleep10-21swapper/123:13:131
1925555270,4sleep01926557-21cat23:05:180
1916977270,4sleep11917065-21cut23:00:141
1915036270,4sleep2222-21plymouthd22:55:512
1909017270,3sleep01909052-21apt-get22:55:120
1900176270,1sleep11900182-21ssh22:47:361
1877121270,1sleep11877127-21ssh22:33:201
1869470271,3sleep11869476-21ssh22:28:311
1867816271,3sleep01867852-21ntpq22:25:220
1857877271,3sleep01859688-21kthreadcore22:20:200
1853110271,3sleep1222-21plymouthd22:15:491
1847103271,3sleep21847140-21apt-get22:15:122
1838903270,1sleep10-21swapper/122:09:461
1823780270,3sleep1222-21plymouthd22:00:121
1816034271,3sleep11816071-21apt-get21:55:111
1785490273,2sleep21785816-21irqcore21:35:152
1776189270,1sleep10-21swapper/121:27:331
1770921270,4sleep20-21swapper/221:25:172
1767773270,1sleep10-21swapper/121:20:321
1746262270,3sleep10-21swapper/121:10:131
1739724270,1sleep1222-21plymouthd21:05:071
1732911270,1sleep10-21swapper/120:58:541
1732039271,4sleep2222-21plymouthd20:55:232
1726599270,1sleep10-21swapper/120:54:571
1695802270,4sleep21696817-21cat20:30:172
1694061270,1sleep2222-21plymouthd20:25:402
1687750271,2sleep1222-21plymouthd20:22:021
1668366270,4sleep1222-21plymouthd20:06:261
1662704270,4sleep21662767-21grep20:05:152
1648419271,3sleep1222-21plymouthd19:50:241
1630439270,4sleep11630592-21df_inode19:40:141
1611041271,3sleep21611074-21apt-get19:25:102
1610719270,1sleep20-21swapper/219:24:222
12999870,4rtkit-daemon979-21lldpd23:19:540
12999870,4rtkit-daemon1595950-21munin-node20:10:340
12999870,3rtkit-daemon703-21mta-sts-daemon21:56:492
12999870,3rtkit-daemon222-21plymouthd23:20:220
12999870,3rtkit-daemon222-21plymouthd19:11:300
12999870,3rtkit-daemon1829816-21ssh22:00:522
12999870,3rtkit-daemon1595950-21munin-node23:57:192
12999870,2rtkit-daemon222-21plymouthd20:25:030
2063363260,2sleep0222-21plymouthd00:33:220
2039781261,3sleep02039787-21sh00:17:150
2039216261,2sleep22039220-21ssh00:15:402
1994845260,3sleep0222-21plymouthd23:50:160
1985196261,2sleep1222-21plymouthd23:41:441
1962475260,4sleep11962481-21ssh23:28:121
1953556261,3sleep11953752-21users23:20:271
1923274260,1sleep00-21swapper/023:02:130
1907417260,3sleep0222-21plymouthd22:51:070
1900030260,3sleep0222-21plymouthd22:47:100
1891290261,3sleep1222-21plymouthd22:40:251
1823738261,2sleep01823775-21apt-get22:00:110
1816236260,3sleep01816331-21fschecks_time21:55:140
1806556260,1sleep10-21swapper/121:45:411
1754568261,3sleep20-21swapper/221:15:192
1733475260,1sleep10-21swapper/121:00:141
1713533260,1sleep10-21swapper/120:42:181
1707090260,2sleep1222-21plymouthd20:37:501
1706921260,3sleep2222-21plymouthd20:35:392
1668929260,3sleep21668669-21apt-get20:10:042
1649648260,3sleep11649681-21apt-get19:55:121
1639119261,2sleep20-21swapper/219:45:192
1629771260,2sleep2222-21plymouthd19:35:372
1616989260,1sleep10-21swapper/119:27:101
1610523260,3sleep1222-21plymouthd19:21:491
1591539261,2sleep21593345-21kthreadcore19:10:192
2002216250,3sleep02002365-21df23:55:130
1807080250,2sleep2222-21plymouthd21:47:182
1695110250,2sleep11695631-21irqrtprio20:30:161
1633138250,3sleep21635030-21kthreadcore19:40:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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