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2026-08-17 - 13:28
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Mon Aug 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150663799320,3cyclictest1618631-21cron21:00:003
150663799310,3cyclictest1553017-21irqcore19:55:173
150663799302,25cyclictest1572870-21apt-get20:15:113
150663799301,26cyclictest1762238-21apt23:20:123
150663799292,2cyclictest1731324-21apt-get22:50:123
150663799292,2cyclictest1700530-21apt-get22:20:123
150663799291,25cyclictest1813458-21apt-get00:10:133
150663799291,25cyclictest1736398-21apt-get22:55:143
150663799282,22cyclictest1838898-21apt-get00:35:133
150663799280,27cyclictest64-21kcompactd023:27:213
150663799280,27cyclictest0-21swapper/322:35:003
150663799271,22cyclictest1639120-21apt-get21:20:123
150663799270,2cyclictest0-21swapper/320:45:123
1506637992623,2cyclictest1531969-21cron19:34:593
150663799262,21cyclictest1782997-21apt-get23:40:113
1506637992619,5cyclictest1507328-21ps19:10:173
150663799261,21cyclictest1741513-21apt-get23:00:143
150663799261,20cyclictest0-21swapper/323:10:133
150663799260,2cyclictest0-21swapper/319:25:143
150663799260,21cyclictest0-21swapper/323:55:133
150663499261,20cyclictest1634070-21apt-get21:15:122
1506637992521,2cyclictest1772406-21apt-get23:30:133
1506637992519,3cyclictest1562709-21apt-get20:05:133
150663799251,22cyclictest1688855-21taskset22:05:233
150663799251,20cyclictest1833783-21apt-get00:30:163
150663799251,20cyclictest1679749-21apt-get22:00:133
1506634992521,2cyclictest1654311-21apt-get21:35:122
1506630992521,2cyclictest1669545-21apt-get21:50:121
150662899251,3cyclictest1751678-21apt-get23:10:140
150662899251,22cyclictest1756749-21apt-get23:15:140
150662899251,22cyclictest1639120-21apt-get21:20:130
150662899250,23cyclictest1602543-21ntpq20:40:210
150663799242,2cyclictest1803283-21apt-get00:00:133
1506637992420,2cyclictest1823597-21apt-get00:20:143
1506637992420,2cyclictest1818546-21apt-get00:15:143
1506637992420,2cyclictest1721209-21apt-get22:40:123
1506637992418,5cyclictest0-21swapper/321:15:113
150663799241,3cyclictest1777908-21apt-get23:35:143
150663799240,3cyclictest1659359-21taskset21:40:113
150663799240,21cyclictest1629519-21irqcore21:10:183
150663799240,19cyclictest0-21swapper/323:05:103
150663499242,4cyclictest1782720-21cron23:40:002
150663499241,20cyclictest1567780-21apt-get20:10:132
1506630992420,2cyclictest1721209-21apt-get22:40:111
150663099241,3cyclictest1760730-21ntpq23:15:241
150663099241,20cyclictest1593576-21apt-get20:35:121
150663099240,5cyclictest1578118-21readlink20:20:011
150663099240,20cyclictest1659356-21apt-get21:40:111
1506628992418,4cyclictest1568276-21ps20:10:170
150662899241,2cyclictest1808375-21apt-get00:05:140
150662899241,2cyclictest1808375-21apt-get00:05:140
150662899241,22cyclictest1537307-21apt-get19:40:130
150662899240,23cyclictest1746605-21apt-get23:05:110
1506637992318,3cyclictest1664428-21apt-get21:45:133
1506637992315,6cyclictest0-21swapper/319:49:593
150663799231,2cyclictest1706026-21apt-get22:25:143
150663799231,2cyclictest1695004-21apt-get22:15:123
150663799231,2cyclictest0-21swapper/321:25:153
150663799231,2cyclictest0-21swapper/320:10:133
150663799231,21cyclictest0-21swapper/320:20:133
150663799230,3cyclictest1589011-21grep20:30:163
150663799230,20cyclictest0-21swapper/320:25:133
1506634992320,2cyclictest0-21swapper/222:00:002
1506634992319,3cyclictest1756472-21idleruntime-cro23:14:592
1506634992319,3cyclictest1577706-21latency_hist20:20:012
1506634992319,2cyclictest1511956-21apt-get19:15:102
150663499231,2cyclictest1828665-21apt-get00:25:132
150663499230,20cyclictest1700221-21wc22:20:012
150663499230,20cyclictest0-21swapper/220:05:122
150663499230,19cyclictest0-21swapper/219:10:132
1506630992320,2cyclictest1684841-21apt-get22:05:141
150663099231,20cyclictest0-21swapper/119:45:201
150663099230,1cyclictest0-21swapper/123:25:151
150663099230,19cyclictest0-21swapper/120:00:151
1506628992319,2cyclictest0-21swapper/000:15:130
150662899231,2cyclictest1663274-21ntpq21:40:200
150662899231,2cyclictest0-21swapper/019:55:130
150662899231,20cyclictest1545272-21kthreadcore19:45:200
150662899231,20cyclictest0-21swapper/022:40:110
150662899230,3cyclictest1803000-21cron00:00:000
150662899230,2cyclictest0-21swapper/019:30:010
150662899230,21cyclictest1527654-21grep19:30:160
150662899230,21cyclictest0-21swapper/023:30:140
150662899230,21cyclictest0-21swapper/022:15:120
150662899230,21cyclictest0-21swapper/020:55:130
1506637992218,3cyclictest64-21kcompactd021:31:143
1506637992218,2cyclictest1788042-21apt-get23:45:103
1506637992218,2cyclictest1619107-21taskset21:00:163
1506637992215,5cyclictest0-21swapper/320:55:003
150663799221,2cyclictest0-21swapper/323:55:003
150663799220,21cyclictest1603444-21cron20:45:003
1506634992219,2cyclictest1664156-21idleruntime-cro21:45:002
1506634992218,2cyclictest1788539-21ps23:45:142
1506634992218,2cyclictest1689655-21cron22:10:002
150663499221,20cyclictest1607613-21ntpq20:45:212
150663499220,2cyclictest1680251-21tr22:00:172
150663499220,21cyclictest1705328-21awk22:25:002
150663499220,20cyclictest1599123-21cut20:40:172
150663499220,19cyclictest0-21swapper/223:50:142
1506630992219,2cyclictest1592389-21ntpq20:30:211
1506630992219,2cyclictest0-21swapper/123:30:141
1506630992217,4cyclictest1608518-21idleruntime-cro20:50:001
1506630992217,2cyclictest0-21swapper/120:55:131
1506630992216,3cyclictest1674653-21apt-get21:55:111
150663099221,2cyclictest1802997-21cron23:59:591
150663099221,2cyclictest1736398-21apt-get22:55:141
150663099221,19cyclictest0-21swapper/100:05:141
150663099221,19cyclictest0-21swapper/100:05:131
150663099220,2cyclictest1788546-21cut23:45:141
150663099220,2cyclictest0-21swapper/123:10:141
150663099220,20cyclictest0-21swapper/119:40:131
150663099220,1cyclictest0-21swapper/119:55:131
150663099220,1cyclictest0-21swapper/100:20:231
150663099220,19cyclictest64-21kcompactd022:36:181
150663099220,19cyclictest0-21swapper/123:05:111
150663099220,19cyclictest0-21swapper/122:30:131
150663099220,18cyclictest1527651-21ps19:30:151
1506628992219,2cyclictest1583462-21apt-get20:25:130
1506628992219,2cyclictest0-21swapper/023:20:110
1506628992219,2cyclictest0-21swapper/022:15:000
1506628992219,2cyclictest0-21swapper/020:20:010
1506628992218,3cyclictest1833789-21/usr/sbin/munin00:30:160
1506628992218,2cyclictest1701029-21grep22:20:180
1506628992218,2cyclictest0-21swapper/022:00:130
150662899221,20cyclictest0-21swapper/019:13:370
150662899221,20cyclictest0-21swapper/000:20:140
150662899221,1cyclictest0-21swapper/021:50:130
150662899220,2cyclictest702-21runrttasks22:50:130
150662899220,2cyclictest0-21swapper/023:25:150
150662899220,2cyclictest0-21swapper/020:00:150
150662899220,2cyclictest0-21swapper/019:15:110
150662899220,20cyclictest1609294-21tr20:50:160
150662899220,20cyclictest0-21swapper/021:00:140
1506637992118,2cyclictest64-21kcompactd022:35:443
1506637992118,2cyclictest0-21swapper/321:50:123
1506637992118,2cyclictest0-21swapper/319:52:193
1506637992118,2cyclictest0-21swapper/300:05:143
1506637992118,2cyclictest0-21swapper/300:05:133
1506637992117,2cyclictest0-21swapper/319:15:103
150663799211,6cyclictest1628756-21awk21:10:003
1506637992116,3cyclictest0-21swapper/319:20:143
1506637992114,5cyclictest1728490-21grep22:45:183
150663799210,2cyclictest0-21swapper/319:40:133
1506634992119,1cyclictest1767339-21apt-get23:25:162
1506634992118,1cyclictest1762241-21apt-get23:20:112
1506634992110,2cyclictest391rcuc/221:00:002
150663499210,20cyclictest1537040-21cron19:40:002
150663499210,19cyclictest0-21swapper/223:15:242
1506630992119,1cyclictest0-21swapper/121:35:121
1506630992119,1cyclictest0-21swapper/121:00:141
1506630992119,1cyclictest0-21swapper/120:25:131
1506630992118,2cyclictest301rcuc/123:04:591
1506630992118,2cyclictest1730174-21ntpq22:45:211
150663099210,2cyclictest1649244-21apt-get21:30:131
150663099210,2cyclictest1520944-21ntpq19:20:221
150663099210,20cyclictest702-21runrttasks20:40:211
150663099210,1cyclictest64-21kcompactd000:10:541
150663099210,1cyclictest0-21swapper/122:50:131
150663099210,1cyclictest0-21swapper/100:25:131
150663099210,19cyclictest0-21swapper/119:15:101
1506628992119,1cyclictest0-21swapper/020:45:170
1506628992117,2cyclictest0-21swapper/022:30:130
1506628992117,2cyclictest0-21swapper/020:35:120
1506628992116,3cyclictest1664428-21apt-get21:45:120
150662899211,19cyclictest0-21swapper/020:30:210
150662899210,2cyclictest0-21swapper/022:36:180
150662899210,20cyclictest1807216-21ntpq00:00:220
150662899210,20cyclictest0-21swapper/023:45:380
150662899210,20cyclictest0-21swapper/022:05:140
150662899210,20cyclictest0-21swapper/000:10:120
150662899210,1cyclictest0-21swapper/021:35:130
150662899210,1cyclictest0-21swapper/021:15:120
150663799200,1cyclictest0-21swapper/320:35:163
150663799200,1cyclictest0-21swapper/319:35:153
1506634992018,1cyclictest1578393-21apt-get20:20:122
1506634992018,1cyclictest0-21swapper/221:30:132
1506634992018,1cyclictest0-21swapper/200:15:132
1506634992017,1cyclictest1736894-21ps22:55:182
1506634992017,1cyclictest0-21swapper/219:45:132
150663499200,1cyclictest0-21swapper/222:45:572
150663499200,1cyclictest0-21swapper/222:40:112
150663499200,1cyclictest0-21swapper/221:45:122
150663499200,1cyclictest0-21swapper/221:10:132
150663499200,1cyclictest0-21swapper/221:05:132
150663499200,1cyclictest0-21swapper/200:10:132
150663499200,19cyclictest0-21swapper/220:32:062
150663499200,18cyclictest0-21swapper/220:00:132
150663499200,18cyclictest0-21swapper/219:55:132
1506630992018,1cyclictest0-21swapper/120:05:131
1506630992018,1cyclictest0-21swapper/100:30:161
1506630992017,1cyclictest0-21swapper/122:15:121
1506630992017,1cyclictest0-21swapper/119:35:111
1506630992016,1cyclictest1793138-21apt-get23:50:141
150663099200,1cyclictest0-21swapper/121:05:221
150663099200,1cyclictest0-21swapper/120:10:131
150663099200,18cyclictest1609293-21grep20:50:161
1506628992018,1cyclictest1578356-21apt-get20:20:030
1506628992018,1cyclictest0-21swapper/023:50:140
1506628992018,1cyclictest0-21swapper/023:35:140
1506628992018,1cyclictest0-21swapper/021:55:110
1506628992017,2cyclictest1623954-21apt-get21:05:120
1506628992017,2cyclictest1562870-21diskstats20:05:140
150663799197,10cyclictest0-21swapper/300:25:183
1506637991918,1cyclictest0-21swapper/323:20:003
1506634991917,1cyclictest0-21swapper/223:05:112
1506634991917,1cyclictest0-21swapper/223:04:142
1506634991916,1cyclictest0-21swapper/220:35:122
150663499190,1cyclictest64-21kcompactd020:28:522
150663499190,1cyclictest0-21swapper/219:20:222
150663499190,1cyclictest0-21swapper/200:05:002
150663499190,18cyclictest1802027-21needreboot23:55:212
1506630991916,2cyclictest1787777-21cron23:44:591
1506630991916,2cyclictest1777908-21apt-get23:35:141
1506630991916,2cyclictest1679816-21cpuspeed_turbos22:00:131
1506630991916,2cyclictest0-21swapper/123:20:111
150663099190,1cyclictest0-21swapper/119:30:011
150663099190,18cyclictest0-21swapper/121:11:531
1506628991918,1cyclictest0-21swapper/019:20:140
1506628991917,1cyclictest0-21swapper/023:01:000
1506628991917,1cyclictest0-21swapper/021:30:230
1506628991917,1cyclictest0-21swapper/019:50:120
1506628991916,2cyclictest0-21swapper/022:25:020
1506637991814,2cyclictest1557642-21apt-get20:00:133
150663499188,3cyclictest0-21swapper/222:40:012
1506634991817,1cyclictest64-21kcompactd020:54:082
1506634991816,2cyclictest64-21kcompactd022:14:142
1506634991816,1cyclictest0-21swapper/222:50:132
1506634991816,1cyclictest0-21swapper/221:00:142
1506634991816,1cyclictest0-21swapper/200:05:232
1506634991816,1cyclictest0-21swapper/200:05:222
1506634991815,2cyclictest0-21swapper/222:35:002
1506634991815,2cyclictest0-21swapper/200:20:222
1506630991816,1cyclictest0-21swapper/121:20:121
1506630991816,1cyclictest0-21swapper/119:10:131
1506630991815,2cyclictest0-21swapper/120:20:131
1506628991816,1cyclictest0-21swapper/019:39:250
1506628991816,1cyclictest0-21swapper/000:25:130
150663799171,6cyclictest1694728-21cron22:15:003
1506637991714,2cyclictest1655263-21kthreadcore21:35:173
1506634991714,2cyclictest1643905-21turbostat.cron21:25:002
1506634991712,3cyclictest1527657-21tr19:30:152
1506630991715,1cyclictest1710817-21cron22:30:001
1506630991715,1cyclictest0-21swapper/122:20:181
1506630991715,1cyclictest0-21swapper/121:15:111
1506630991715,1cyclictest0-21swapper/100:15:131
1506630991714,1cyclictest0-21swapper/119:50:121
1506628991714,2cyclictest61650irq/133-enp0s29f1:rx-021:25:240
1506628991714,2cyclictest0-21swapper/023:40:200
150663799161,3cyclictest1675154-21sed21:55:153
1506634991614,1cyclictest1834281-21ps00:30:192
1506634991614,1cyclictest0-21swapper/221:51:402
1506630991613,2cyclictest1839257-21gltestperf00:35:171
1506630991612,2cyclictest0-21swapper/121:45:121
1506628991612,3cyclictest61650irq/133-enp0s29f1:rx-021:10:130
1506634991513,1cyclictest0-21swapper/223:30:142
1506634991513,1cyclictest0-21swapper/219:40:132
1506630991513,1cyclictest0-21swapper/100:03:541
1506630991512,2cyclictest0-21swapper/122:15:001
1506628991513,2cyclictest61650irq/133-enp0s29f1:rx-022:47:280
1506628991512,2cyclictest1737351-21sort22:55:190
150663799143,3cyclictest1506774-21cat19:10:013
150663499147,6cyclictest0-21swapper/221:25:282
1506628991412,2cyclictest62450irq/134-enp0s29f1:tx-000:35:150
150663499138,4cyclictest1706093-21cpuspeed_turbos22:25:152
150663499129,2cyclictest0-21swapper/219:50:192
150663499128,3cyclictest1522485-21sed19:25:172
1506634991210,1cyclictest0-21swapper/200:35:162
150663499118,2cyclictest1783288-21gltestperf23:40:142
150663499110,9cyclictest1506754-21cat19:10:012
150663099118,2cyclictest1644509-21gltestperf21:25:181
150663099107,2cyclictest0-21swapper/119:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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