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2026-03-15 - 13:10
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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 Sun Mar 15, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
145450999282,21cyclictest1617114-21apt-get21:50:111
145450999271,23cyclictest1785251-21apt-get00:35:111
145450599261,22cyclictest1744705-21apt-get23:55:110
1454514992517,1cyclictest191rcu_preempt22:05:003
1454512992523,1cyclictest0-21swapper/223:20:192
1454512992523,1cyclictest0-21swapper/222:05:002
1454512992522,1cyclictest1662980-21apt-get22:35:122
145450999252,20cyclictest1683211-21apt-get22:55:091
145450999251,20cyclictest1662980-21apt-get22:35:111
1454505992520,3cyclictest1734106-21apt-get23:45:130
1454505992520,3cyclictest1632677-21apt-get22:05:110
145450599251,22cyclictest1515205-21idleruntime-cro20:10:000
1454514992420,2cyclictest1545797-21apt-get20:40:123
1454514992418,4cyclictest1561135-21cron20:55:003
145451499241,22cyclictest1764996-21apt-get00:15:133
145451499241,20cyclictest1647864-21apt-get22:20:113
1454512992420,3cyclictest1677915-21cron22:50:012
145451299241,21cyclictest1657947-21apt-get22:30:112
145451299241,21cyclictest1459801-21apt-get19:15:132
145451299240,23cyclictest1510878-21ps20:05:152
145450999242,2cyclictest1678185-21apt-get22:50:131
145450999241,2cyclictest1688243-21apt-get23:00:121
145450999241,21cyclictest1713514-21apt-get23:25:121
145450999240,3cyclictest191rcu_preempt19:30:001
1454505992420,2cyclictest1785251-21apt-get00:35:110
145450599241,21cyclictest1510122-21cron20:05:000
145450599240,4cyclictest1537882-21ps20:30:170
1454514992319,2cyclictest1479993-21apt-get19:35:123
1454514992319,2cyclictest1454725-21apt-get19:10:113
145451499231,2cyclictest1637754-21apt-get22:10:123
145451499230,3cyclictest1520259-21cron20:15:003
145451499230,20cyclictest0-21swapper/323:55:113
145451499230,19cyclictest0-21swapper/319:50:113
1454512992320,2cyclictest391rcuc/220:00:122
1454512992318,4cyclictest1698831-21grep23:10:172
1454512992318,4cyclictest1551756-21ps20:45:152
1454512992316,5cyclictest261-21systemd-journal21:05:012
145451299231,2cyclictest1754797-21apt-get00:05:122
145451299231,2cyclictest1596925-21apt-get21:30:122
145451299231,2cyclictest0-21swapper/222:25:122
145451299231,21cyclictest0-21swapper/222:15:132
145451299230,3cyclictest1724494-21ps23:35:162
145451299230,22cyclictest1591859-21find21:25:122
145450999232,20cyclictest1739606-21apt-get23:50:111
1454509992320,2cyclictest1722437-21ntpq23:30:221
1454509992320,2cyclictest1642810-21apt-get22:15:141
145450999231,2cyclictest1759917-21apt-get00:10:111
145450999231,19cyclictest0-21swapper/121:00:121
145450999230,3cyclictest1475429-21grep19:30:171
145450999230,20cyclictest0-21swapper/122:30:111
145450999230,20cyclictest0-21swapper/119:10:121
145450599231,21cyclictest1520526-21apt-get20:15:130
145450599231,21cyclictest0-21swapper/020:50:180
145450599231,20cyclictest1673131-21apt-get22:45:120
145450599231,20cyclictest1515472-21apt-get20:10:110
145450599230,21cyclictest1740090-21ps23:50:170
145450599230,21cyclictest1723999-21apt-get23:35:120
145450599230,21cyclictest0-21swapper/022:35:220
1454514992219,2cyclictest1622170-21apt-get21:55:133
1454514992219,2cyclictest1551274-21apt-get20:45:113
1454514992218,2cyclictest1525560-21taskset20:20:103
1454514992217,3cyclictest1586791-21apt-get21:20:093
145451499221,20cyclictest1671997-21ntpq22:40:203
145451499220,3cyclictest2376222-21kworker/u8:2+ext4-rsv-conversion22:05:113
145451499220,21cyclictest1523781-21grep20:15:193
145451499220,19cyclictest0-21swapper/319:55:113
145451499220,19cyclictest0-21swapper/300:35:113
1454512992220,1cyclictest1738910-21ls23:50:002
1454512992220,1cyclictest0-21swapper/223:30:132
1454512992219,2cyclictest41-21ksoftirqd/220:30:012
1454512992219,2cyclictest1485059-21apt-get19:40:112
1454512992219,2cyclictest0-21swapper/223:50:112
1454512992219,2cyclictest0-21swapper/223:15:162
1454512992218,2cyclictest1647864-21apt-get22:20:102
1454512992218,2cyclictest1535666-21apt-get20:30:122
1454512992218,2cyclictest0-21swapper/223:55:162
1454512992217,3cyclictest0-21swapper/200:10:152
1454512992216,1cyclictest191rcu_preempt20:55:002
145451299221,2cyclictest64-21kcompactd022:13:022
145451299221,2cyclictest0-21swapper/221:50:112
145451299221,20cyclictest0-21swapper/222:50:132
145451299220,2cyclictest0-21swapper/220:15:132
145451299220,20cyclictest1779011-21ntpq00:25:212
1454509992219,2cyclictest0-21swapper/121:35:001
1454509992219,1cyclictest1775128-21apt-get00:25:121
145450999221,19cyclictest0-21swapper/119:40:111
145450999220,20cyclictest1469609-21cron19:25:001
145450999220,19cyclictest0-21swapper/122:45:121
1454505992219,2cyclictest0-21swapper/021:55:120
1454505992219,2cyclictest0-21swapper/020:45:110
1454505992219,2cyclictest0-21swapper/019:35:120
1454505992219,2cyclictest0-21swapper/000:25:170
1454505992218,2cyclictest1489859-21basename19:45:000
145450599221,2cyclictest0-21swapper/022:50:130
145450599221,20cyclictest1621012-21ntpq21:50:200
145450599221,20cyclictest0-21swapper/023:10:130
145450599221,20cyclictest0-21swapper/022:40:100
145450599221,20cyclictest0-21swapper/000:05:130
145450599220,3cyclictest1550573-21cron20:45:000
145450599220,21cyclictest64-21kcompactd021:23:350
1454514992119,1cyclictest0-21swapper/323:25:113
1454514992119,1cyclictest0-21swapper/323:20:103
1454514992119,1cyclictest0-21swapper/321:50:113
145451499211,1cyclictest1545517-21cron20:40:003
145451499211,1cyclictest0-21swapper/323:00:123
145451499210,20cyclictest1727904-21ntpq23:35:203
145451499210,20cyclictest0-21swapper/323:40:123
145451499210,20cyclictest0-21swapper/323:30:183
145451499210,20cyclictest0-21swapper/321:10:123
145451499210,19cyclictest0-21swapper/322:50:123
145451499210,19cyclictest0-21swapper/300:10:113
145451499210,18cyclictest0-21swapper/322:35:123
145451499210,18cyclictest0-21swapper/321:00:123
1454512992119,1cyclictest1714002-21sed23:25:152
1454512992119,1cyclictest0-21swapper/221:45:112
1454512992119,1cyclictest0-21swapper/221:20:212
1454512992119,1cyclictest0-21swapper/220:57:472
1454512992119,1cyclictest0-21swapper/219:20:112
1454512992119,1cyclictest0-21swapper/219:10:122
1454512992118,2cyclictest1693275-21apt-get23:05:122
1454512992118,2cyclictest0-21swapper/221:10:412
1454512992118,2cyclictest0-21swapper/220:10:122
145451299211,20cyclictest41-21ksoftirqd/200:35:302
145451299211,19cyclictest0-21swapper/223:40:112
1454512992111,5cyclictest0-21swapper/221:15:172
145451299210,20cyclictest0-21swapper/222:09:492
145451299210,20cyclictest0-21swapper/220:20:102
145451299210,20cyclictest0-21swapper/219:39:182
145451299210,1cyclictest0-21swapper/221:55:122
1454509992119,1cyclictest1571557-21apt-get21:05:111
1454509992119,1cyclictest0-21swapper/123:15:161
1454509992119,1cyclictest0-21swapper/120:15:131
1454509992119,1cyclictest0-21swapper/120:05:101
1454509992119,1cyclictest0-21swapper/120:00:201
1454509992119,1cyclictest0-21swapper/100:00:131
1454509992118,2cyclictest1768876-21/usr/sbin/munin00:15:211
1454509992118,2cyclictest1576614-21apt-get21:10:121
1454509992118,1cyclictest1581692-21apt-get21:15:111
1454509992117,2cyclictest1556350-21apt-get20:50:121
145450999210,20cyclictest1616847-21sh21:50:001
145450999210,20cyclictest1483868-21sshd19:35:191
145450999210,20cyclictest0-21swapper/100:05:121
145450999210,1cyclictest0-21swapper/120:10:111
145450999210,19cyclictest0-21swapper/121:20:091
145450999210,18cyclictest0-21swapper/121:25:121
1454505992119,2cyclictest0-21swapper/019:26:230
1454505992119,1cyclictest0-21swapper/000:10:120
1454505992118,2cyclictest0-21swapper/020:25:120
1454505992117,2cyclictest1780642-21ps00:30:170
145450599211,1cyclictest1607054-21apt-get21:40:110
145450599211,1cyclictest1607054-21apt-get21:40:110
145450599211,19cyclictest0-21swapper/000:20:000
145450599210,2cyclictest64-21kcompactd021:05:180
145450599210,2cyclictest0-21swapper/022:30:120
145450599210,20cyclictest0-21swapper/023:05:210
145450599210,20cyclictest0-21swapper/021:45:110
145450599210,20cyclictest0-21swapper/021:00:120
1454514992018,1cyclictest0-21swapper/323:50:123
1454514992018,1cyclictest0-21swapper/323:10:123
1454514992018,1cyclictest0-21swapper/321:15:123
1454514992018,1cyclictest0-21swapper/320:55:113
1454514992018,1cyclictest0-21swapper/300:01:073
1454514992017,1cyclictest0-21swapper/321:05:113
145451499200,1cyclictest64-21kcompactd020:01:523
145451499200,1cyclictest0-21swapper/322:55:103
145451499200,1cyclictest0-21swapper/321:40:123
145451499200,1cyclictest0-21swapper/321:40:113
145451499200,1cyclictest0-21swapper/319:40:123
145451499200,1cyclictest0-21swapper/319:29:043
145451499200,1cyclictest0-21swapper/300:30:123
145451499200,1cyclictest0-21swapper/300:25:133
145451499200,1cyclictest0-21swapper/300:05:123
1454512992018,1cyclictest0-21swapper/219:25:132
145451299201,1cyclictest0-21swapper/220:40:002
1454512992011,4cyclictest0-21swapper/219:30:182
145451299200,19cyclictest1687089-21ntpq22:55:172
145451299200,19cyclictest0-21swapper/221:35:112
145451299200,19cyclictest0-21swapper/200:34:262
1454509992018,1cyclictest1738966-21unin-run23:50:011
1454509992018,1cyclictest0-21swapper/123:07:521
1454509992017,2cyclictest1729051-21apt-get23:40:111
145450999200,19cyclictest64-21kcompactd022:25:241
145450999200,19cyclictest0-21swapper/100:30:121
1454505992018,1cyclictest0-21swapper/023:00:120
1454505992018,1cyclictest0-21swapper/021:39:100
1454505992017,2cyclictest1722400-21ntpq23:30:220
1454505992017,2cyclictest0-21swapper/021:30:110
145450599201,18cyclictest1687051-21ntpq22:55:170
145450599200,1cyclictest0-21swapper/023:20:110
145450599200,1cyclictest0-21swapper/021:16:030
145450599200,1cyclictest0-21swapper/021:10:120
145450599200,1cyclictest0-21swapper/019:55:110
145450599200,1cyclictest0-21swapper/019:20:110
145450599200,1cyclictest0-21swapper/019:12:250
145450599200,19cyclictest1541215-21ps20:35:160
145450599200,19cyclictest0-21swapper/021:25:130
1454514991917,1cyclictest0-21swapper/322:45:113
145451499190,1cyclictest0-21swapper/321:25:223
145451499190,18cyclictest1774850-21cron00:24:593
145451499190,18cyclictest1774850-21cron00:24:593
1454512991917,1cyclictest0-21swapper/221:40:112
1454512991917,1cyclictest0-21swapper/221:40:102
1454512991917,1cyclictest0-21swapper/221:05:152
1454512991917,1cyclictest0-21swapper/220:40:122
1454512991917,1cyclictest0-21swapper/200:04:202
1454512991914,1cyclictest191rcu_preempt00:15:222
1454509991917,1cyclictest1602001-21apt-get21:35:111
1454509991917,1cyclictest1500219-21apt-get19:55:111
1454509991917,1cyclictest0-21swapper/122:24:521
1454509991917,1cyclictest0-21swapper/122:05:111
1454509991917,1cyclictest0-21swapper/120:26:041
1454509991916,1cyclictest0-21swapper/120:20:111
145450999190,1cyclictest1770075-21apt-get00:20:131
145450999190,1cyclictest1770075-21apt-get00:20:121
145450999190,18cyclictest0-21swapper/121:40:111
145450999190,18cyclictest0-21swapper/121:40:111
1454505991917,1cyclictest0-21swapper/019:50:110
1454505991917,1cyclictest0-21swapper/019:45:110
1454505991916,2cyclictest1713514-21apt-get23:25:100
1454505991916,2cyclictest0-21swapper/023:40:120
1454514991816,1cyclictest0-21swapper/323:15:163
1454514991816,1cyclictest0-21swapper/323:09:293
1454514991816,1cyclictest0-21swapper/322:15:133
1454514991811,5cyclictest1464339-21sshd19:17:193
1454512991816,1cyclictest0-21swapper/223:02:312
145451299180,0cyclictest0-21swapper/219:55:212
1454509991817,1cyclictest0-21swapper/120:40:121
1454509991816,1cyclictest0-21swapper/120:55:121
1454509991816,1cyclictest0-21swapper/120:37:211
1454509991815,2cyclictest301rcuc/123:20:181
1454509991815,1cyclictest0-21swapper/120:30:121
1454509991813,3cyclictest1745200-21ps23:55:151
145450999180,1cyclictest1495649-21ps19:50:151
1454505991814,2cyclictest0-21swapper/019:30:120
1454514991715,1cyclictest0-21swapper/321:35:113
145451499170,15cyclictest0-21swapper/319:45:123
1454509991715,1cyclictest0-21swapper/120:46:291
1454505991714,2cyclictest0-21swapper/000:20:210
1454505991714,2cyclictest0-21swapper/000:20:200
1454505991712,3cyclictest61650irq/133-enp0s29f1:rx-022:25:170
1454505991712,3cyclictest61650irq/133-enp0s29f1:rx-019:19:590
1454514991616,0cyclictest0-21swapper/320:34:403
1454514991614,1cyclictest0-21swapper/323:45:133
1454514991613,1cyclictest1510395-21apt-get20:05:113
1454514991612,2cyclictest1662701-21cron22:35:003
145451299162,3cyclictest1773370-21cut00:20:192
145451299162,3cyclictest1773370-21cut00:20:182
1454512991615,1cyclictest0-21swapper/219:45:132
1454509991613,2cyclictest1630322-21kthreadcore22:00:171
1454509991613,2cyclictest1464563-21cron19:20:001
1454505991614,1cyclictest0-21swapper/022:20:340
1454505991613,2cyclictest1749766-21apt-get00:00:130
1454505991613,2cyclictest1565265-21/usr/sbin/munin20:55:190
1454505991612,3cyclictest61650irq/133-enp0s29f1:rx-022:15:160
1454505991612,3cyclictest61650irq/133-enp0s29f1:rx-020:20:100
1454514991510,3cyclictest0-21swapper/321:35:013
1454512991511,3cyclictest1499147-21nvmesmart_nvme019:50:212
1454512991511,2cyclictest0-21swapper/222:40:172
1454509991511,3cyclictest1670284-21tr22:40:151
1454509991511,3cyclictest1638253-21sed22:10:151
1454505991513,1cyclictest0-21swapper/022:00:120
1454505991512,2cyclictest1705627-21kthreadcore23:15:220
1454514991411,2cyclictest0-21swapper/321:50:003
1454509991411,1cyclictest0-21swapper/123:35:141
1454509991410,3cyclictest1622656-21irqcore21:55:161
145451499139,2cyclictest1475431-21irqcore19:30:173
145451499137,4cyclictest1657367-21sshd22:26:203
145451299137,4cyclictest1454510-21cat19:10:012
145451299137,4cyclictest1454510-21cat19:10:012
1454505991310,2cyclictest61650irq/133-enp0s29f1:rx-022:10:100
145450999120,4cyclictest1495112-21cat19:50:011
145450999119,1cyclictest0-21swapper/123:10:121
145451499107,2cyclictest0-21swapper/319:20:133
145451499105,4cyclictest1454500-21cyclictest20:25:183
14545149980,7cyclictest1454429-21latency_hist19:10:013
14545149980,7cyclictest1454429-21latency_hist19:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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