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2025-11-14 - 17:26
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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 Nov 14, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1731597993027,1cyclictest0-21swapper/308:40:003
1731597992623,1cyclictest0-21swapper/311:55:003
1731597992522,1cyclictest0-21swapper/309:30:003
1731597992421,1cyclictest0-21swapper/309:30:203
1731597992421,1cyclictest0-21swapper/309:30:203
1731597992320,1cyclictest0-21swapper/312:05:163
1731597992310,10cyclictest1940835-21chrt09:45:173
1731597992219,1cyclictest0-21swapper/310:45:233
1731597992214,5cyclictest2131122-21sleep11:45:003
1731597992214,5cyclictest2131122-21sleep11:45:003
173159799218,7cyclictest20901482sleep311:17:593
1731597992119,1cyclictest0-21swapper/310:35:013
1731597992118,1cyclictest0-21swapper/307:35:003
1731597992118,1cyclictest0-21swapper/307:25:013
173159799211,16cyclictest1833224-21turbostat08:30:013
173159799210,16cyclictest1752294-21chrt07:24:553
173159799210,16cyclictest1752294-21chrt07:24:553
173159799210,11cyclictest0-21swapper/311:40:003
173159799201,15cyclictest2210317-21chrt12:33:113
173159799201,15cyclictest2162139-21chrt12:03:143
173159799196,8cyclictest18019132sleep308:04:033
173159799196,7cyclictest20337422sleep310:41:323
1731597991916,1cyclictest0-21swapper/311:25:003
173159799191,15cyclictest2027199-21taskset10:39:553
173159799191,14cyclictest2177463-21chrt12:11:033
173159799191,14cyclictest1904755-21taskset09:20:283
173159799188,1cyclictest0-21swapper/311:13:443
173159799188,1cyclictest0-21swapper/307:46:333
173159799186,9cyclictest2211086-21turbostat12:39:553
173159799186,7cyclictest21385442sleep311:48:483
1731597991815,1cyclictest0-21swapper/311:31:423
1731597991815,1cyclictest0-21swapper/309:55:193
173159799181,14cyclictest1986221-21taskset10:13:583
173159799181,13cyclictest2202667-21chrt12:28:593
173159799181,13cyclictest2073557-21chrt11:06:283
173159799181,13cyclictest1889598-21taskset09:12:273
173159799181,13cyclictest1820482-21chrt08:19:263
173159799181,13cyclictest1814030-21taskset08:11:043
173159799181,13cyclictest1789519-21chrt07:54:013
173159799181,11cyclictest2043434-21taskset10:50:013
173159799180,8cyclictest1833234-21sleep08:34:563
173159799180,14cyclictest2105875-21chrt11:27:233
173159799180,14cyclictest1845812-21taskset08:40:133
173159799180,13cyclictest2051439-21taskset10:55:013
173159799177,1cyclictest0-21swapper/308:23:353
173159799177,1cyclictest0-21swapper/307:10:163
173159799176,6cyclictest17458762sleep307:18:313
173159799171,4cyclictest1978693-21turbostat10:10:003
1731597991714,1cyclictest0-21swapper/309:15:193
173159799171,3cyclictest0-21swapper/309:50:123
173159799171,13cyclictest2153106-21taskset11:55:413
173159799171,13cyclictest1937274-21taskset09:41:443
173159799171,12cyclictest2059857-21taskset11:00:183
173159799171,12cyclictest1970212-21chrt10:04:003
173159799171,12cyclictest1870004-21taskset08:56:163
173159799170,14cyclictest1876321-21chrt09:02:263
173159799170,13cyclictest2186745-21chrt12:19:053
173159799170,13cyclictest1855616-21chrt08:45:183
173159799170,13cyclictest1807861-21chrt08:06:153
173159799170,12cyclictest1764884-21taskset07:35:013
1731597991613,1cyclictest0-21swapper/308:50:243
173159799161,12cyclictest2187413-21taskset12:20:053
173159799161,12cyclictest2001473-21taskset10:22:113
173159799161,12cyclictest1992743-21taskset10:15:303
173159799161,12cyclictest1882443-21chrt09:06:343
173159799160,13cyclictest1789853-21chrt07:55:093
173159799156,1cyclictest0-21swapper/310:25:263
173159799151,10cyclictest1923004-21taskset09:35:113
173159799150,12cyclictest1776949-21chrt07:41:143
20529072140,11sleep22054142-21cut10:55:222
19786172130,6sleep134-21ksoftirqd/110:09:531
19385932131,9sleep11938601-21ssh09:44:481
19076862130,9sleep21908626-21tr09:25:172
22138132120,9sleep12215826-21tr12:35:191
21054382121,8sleep12105444-21ssh11:26:221
20376012120,5sleep02039594-21ssh10:45:180
20115362120,1sleep10-21swapper/110:30:121
17367862120,3sleep1214-21plymouthd07:10:201
147598120,8rtkit-daemon744-21runrttasks12:25:041
147598120,8rtkit-daemon744-21runrttasks11:08:000
147598120,8rtkit-daemon2167526-21kthreadcore12:05:181
147598120,8rtkit-daemon1921415-21ssh09:32:012
147598120,8rtkit-daemon1921415-21ssh09:32:012
147598120,7rtkit-daemon1855267-21kthreadcore08:45:181
21694682110,8sleep02169476-21ssh12:06:450
21618802111,8sleep22161886-21ssh12:02:422
20272472111,7sleep02027253-21ssh10:40:010
19798772110,8sleep21980924-21grep10:10:172
19444352110,8sleep11944660-21ssh09:45:241
19291832110,8sleep01929191-21ssh09:36:250
17662182110,8sleep21767614-21cut07:35:172
147598110,7rtkit-daemon1540-21sendmail-mta11:57:501
147598110,4rtkit-daemon476-21wpa_supplicant09:38:422
147598110,4rtkit-daemon2018450-21ssh10:33:170
147598110,3rtkit-daemon729-21lldpd09:45:222
21928322101,6sleep12193060-21unixbench-2d12:20:241
21292202100,3sleep12129228-21ssh11:40:411
21292202100,3sleep12129228-21ssh11:40:411
20646112100,7sleep22064673-21ntpq11:00:262
20195252100,1sleep10-21swapper/110:35:131
20104662100,4sleep11952934-21kworker/u16:3+rpciod10:29:001
19150242102,4sleep11915061-21apt-get09:30:131
19150242102,4sleep11915061-21apt-get09:30:131
18964442104,4sleep11882686-21kworker/u16:3+xprtiod09:15:341
147598100,6rtkit-daemon515-21gmain08:01:281
147598100,6rtkit-daemon2170071-21kworker/u16:1+nfsiod12:10:501
147598100,6rtkit-daemon1540-21sendmail-mta08:43:361
147598100,6rtkit-daemon1540-21sendmail-mta08:31:461
147598100,5rtkit-daemon720-21snmpd09:13:301
147598100,5rtkit-daemon2088707-21python311:15:222
147598100,3rtkit-daemon515-21gmain10:53:242
147598100,3rtkit-daemon22110-21packagekitd09:44:022
147598100,1rtkit-daemon214-21plymouthd12:00:191
2120704290,6sleep02120823-21/usr/sbin/munin11:35:230
2106042290,6sleep02106047-21sh11:27:450
2000229290,7sleep02000355-21smartctl10:20:250
1961485290,1sleep20-21swapper/209:57:192
1858350290,6sleep21858463-21fw_packets08:50:162
1773930294,3sleep11774263-21kthreadcore07:40:171
17315979997,1cyclictest0-21swapper/307:10:013
1730652291,4sleep21730777-21python307:05:242
14759890,6rtkit-daemon1540-21sendmail-mta07:15:101
14759890,5rtkit-daemon1882721-21diskmemload11:34:221
14759890,5rtkit-daemon1731591-21cyclictest08:40:001
14759890,5rtkit-daemon1540-21sendmail-mta10:42:020
14759890,4rtkit-daemon1984631-21ssh10:10:240
14759890,4rtkit-daemon1977364-21ssh10:07:010
14759890,4rtkit-daemon1947196-21df_inode09:50:132
14759890,2rtkit-daemon214-21plymouthd09:01:471
2211443280,2sleep01889768-21kworker/0:0+kacpid12:35:140
2200350280,1sleep00-21swapper/012:25:200
2168937280,6sleep22168945-21ssh12:05:302
2130657280,1sleep00-21swapper/011:44:040
2130657280,1sleep00-21swapper/011:44:040
2106632280,1sleep20-21swapper/211:29:082
2065542280,1sleep10-21swapper/111:01:181
2050736280,1sleep10-21swapper/110:53:571
2012971280,5sleep22014978-21kthreadcore10:30:172
2000104281,4sleep22000180-21/usr/sbin/munin10:20:232
1992894280,6sleep01992901-21sh10:16:000
1979322284,2sleep11978973-21/usr/sbin/munin10:10:161
1954920280,6sleep11954923-21sh09:55:051
1929068281,1sleep10-21swapper/109:36:101
1905616280,1sleep00-21swapper/009:22:260
1865222280,5sleep01865702-21kthreadcore08:55:180
1821071281,3sleep11821103-21apt-get08:20:121
1803569281,4sleep11804859-21tr08:05:181
1802432281,4sleep21802499-21cut08:05:152
1789868281,3sleep21789890-21apt-get07:55:132
1763942280,6sleep11764093-21timerwakeupswit07:30:231
14759880,4rtkit-daemon730-21ntpd07:49:581
14759880,4rtkit-daemon476-21wpa_supplicant11:44:072
14759880,4rtkit-daemon476-21wpa_supplicant11:44:072
14759880,4rtkit-daemon214-21plymouthd12:35:011
14759880,4rtkit-daemon214-21plymouthd09:20:471
14759880,4rtkit-daemon214-21plymouthd08:50:271
14759880,4rtkit-daemon214-21plymouthd07:37:301
14759880,4rtkit-daemon1737833-21munin-node10:27:530
14759880,4rtkit-daemon1-21systemd11:52:452
14759880,3rtkit-daemon34-21ksoftirqd/107:56:211
14759880,3rtkit-daemon214-21plymouthd11:45:140
14759880,3rtkit-daemon214-21plymouthd11:22:240
14759880,3rtkit-daemon1876817-21apt-get09:05:111
14759880,3rtkit-daemon1816197-21cat08:15:171
14759880,1rtkit-daemon214-21plymouthd11:19:540
14759880,1rtkit-daemon0-21swapper/211:38:502
14759880,1rtkit-daemon0-21swapper/107:54:411
14759880,1rtkit-daemon0-21swapper/107:27:321
2162915271,3sleep0214-21plymouthd12:05:000
2145131270,1sleep00-21swapper/011:50:380
2107757271,4sleep22108450-21cut11:30:202
2058821270,4sleep02058829-21ssh10:59:200
2042452271,4sleep22042453-21sh10:48:122
2010848271,4sleep22010856-21ssh10:29:492
2001748270,5sleep11882721-21diskmemload10:22:471
1968154270,4sleep01968218-21ntp_states10:00:210
1939184270,4sleep01939316-21hddtemp_smartct09:45:150
1931094270,4sleep01931249-21diskstats09:40:140
1912041270,4sleep11912180-21/usr/sbin/munin09:25:201
1842591270,4sleep21844466-21latency08:35:202
1822608270,4sleep20-21swapper/208:20:172
1813650270,4sleep21813853-21sed08:10:242
14759870,4rtkit-daemon730-21ntpd11:46:122
14759870,4rtkit-daemon720-21snmpd12:15:071
14759870,4rtkit-daemon1737833-21munin-node11:12:100
14759870,3rtkit-daemon214-21plymouthd11:35:391
14759870,3rtkit-daemon214-21plymouthd08:10:161
14759870,3rtkit-daemon214-21plymouthd07:23:061
14759870,3rtkit-daemon214-21plymouthd07:23:061
14759870,3rtkit-daemon1963040-21apt-get10:00:132
14759870,3rtkit-daemon1737833-21munin-node10:03:561
14759870,3rtkit-daemon1737833-21munin-node09:23:582
14759870,3rtkit-daemon1737833-21munin-node08:57:201
14759870,3rtkit-daemon1-21systemd11:32:220
14759870,3rtkit-daemon1-21systemd08:25:441
14759870,3rtkit-daemon1-21systemd07:05:181
2217118260,1sleep20-21swapper/212:35:282
2204893260,4sleep02206825-21cut12:30:170
2192698261,2sleep02192831-21python312:20:230
2148675260,3sleep02150418-21kthreadcore11:55:180
2145901260,4sleep12145909-21ssh11:52:271
2137882260,1sleep10-21swapper/111:47:181
2098235260,1sleep20-21swapper/211:23:112
2089973261,3sleep12089980-21sh11:17:371
2083059260,4sleep12083151-21sed11:15:001
2074322260,1sleep10-21swapper/111:08:151
2074141260,1sleep20-21swapper/211:07:522
2066367260,1sleep00-21swapper/011:03:170
2051553260,3sleep12051590-21apt-get10:55:161
2041826260,1sleep10-21swapper/110:46:471
1952882260,1sleep00-21swapper/009:51:000
1948239260,3sleep11949327-21grep09:50:171
1898660260,3sleep21898688-21munin-run09:20:002
1890027260,1sleep20-21swapper/209:13:272
1889138260,1sleep00-21swapper/009:11:240
1882534260,1sleep00-21swapper/009:07:440
1863737260,1sleep00-21swapper/008:50:330
1850980261,3sleep20-21swapper/208:40:252
1839184260,1sleep00-21swapper/008:32:430
1833033260,1sleep00-21swapper/008:27:490
1832385260,3sleep21832505-21grep08:25:262
1826406260,3sleep01826650-21users08:20:230
1820415260,1sleep00-21swapper/008:18:350
1809730261,3sleep01810764-21tr08:10:170
1801841260,1sleep00-21swapper/008:03:080
1801265261,2sleep20-21swapper/208:00:262
1789599261,2sleep20-21swapper/207:55:012
1789467260,1sleep00-21swapper/007:53:220
1783257260,1sleep00-21swapper/007:48:030
1783166260,1sleep20-21swapper/207:46:512
1772643261,2sleep01772678-21kthreadcore07:40:160
1770589260,1sleep00-21swapper/007:36:310
1760578261,2sleep00-21swapper/007:30:180
1758337260,1sleep20-21swapper/207:28:082
1745802260,1sleep20-21swapper/207:17:342
1732090261,2sleep00-21swapper/007:10:150
1725600260,2sleep00-21swapper/007:05:140
14759860,3rtkit-daemon720-21snmpd11:55:132
14759860,2rtkit-daemon2082814-21ssh11:14:282
2203744250,3sleep22203934-21irqcore12:30:152
2201739250,3sleep22201747-21ssh12:26:542
2187473250,2sleep20-21swapper/212:20:132
2185272251,2sleep20-21swapper/212:15:442
2177956250,3sleep22177964-21ssh12:12:162
2170896250,2sleep02170887-21apt-get12:10:010
2091297250,3sleep10-21swapper/111:20:051
2044720250,2sleep00-21swapper/010:50:190
1993413250,3sleep21993421-21ssh10:17:072
1976922250,3sleep21976930-21ssh10:05:562
1955298251,2sleep00-21swapper/009:55:170
1907273250,3sleep01907404-21hddtemp_smartct09:25:150
1892219250,3sleep01892426-21kthreadcore09:15:180
1876969250,2sleep20-21swapper/209:05:132
1870568250,1sleep00-21swapper/009:00:060
1870038250,3sleep20-21swapper/208:56:442
1852316250,3sleep01852669-21sed08:45:160
1845291250,3sleep00-21swapper/008:36:540
1814599250,2sleep20-21swapper/208:15:122
1802250251,1sleep00-21swapper/008:05:130
1764380250,3sleep20-21swapper/207:31:452
1752257250,1sleep00-21swapper/007:24:290
1752257250,1sleep00-21swapper/007:24:290
1748906250,3sleep21751059-21cut07:20:202
1748906250,3sleep21751059-21cut07:20:192
1745757250,3sleep00-21swapper/007:17:000
1737675250,3sleep20-21swapper/207:14:542
2184626240,2sleep01882721-21diskmemload12:15:220
2034317240,2sleep12034325-21ssh10:42:541
2027553240,2sleep22027561-21ssh10:40:072
2019755240,2sleep22019886-21/usr/sbin/munin10:35:182
1987167240,2sleep11987230-21fschecks_count10:15:131
1876295240,2sleep2214-21plymouthd09:02:052
1847136240,2sleep00-21swapper/008:40:190
1789855240,3sleep00-21swapper/007:55:110
1776074240,2sleep21776313-21strings07:40:182
1758129240,1sleep00-21swapper/007:25:250
1914990230,1sleep00-21swapper/009:30:080
1914990230,1sleep00-21swapper/009:30:080
1852035230,1sleep20-21swapper/208:45:142
1833451230,1sleep20-21swapper/208:30:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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