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2026-11-14 - 02:18
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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 792 highest latencies:
System rackeslot4.osadl.org (updated Fri Nov 13, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140319299360,34cyclictest1716913-21sshd12:15:112
140318899301,20cyclictest1542560-21apt-get09:25:091
1403188992919,8cyclictest1-21systemd12:10:001
140318899290,27cyclictest1418370-21basename07:25:001
140318899281,2cyclictest1660667-21apt-get11:20:121
140318899270,1cyclictest0-21swapper/107:15:111
140318599272,22cyclictest1434326-21apt-get07:40:110
140318899260,1cyclictest0-21swapper/108:45:101
140318599266,19cyclictest0-21swapper/008:10:010
140318599261,22cyclictest1676250-21apt-get11:35:120
140319499252,21cyclictest1408450-21apt-get07:15:113
140319499250,5cyclictest1532472-21taskset09:15:113
140319499250,23cyclictest1706456-21cron12:05:003
140319299251,21cyclictest1655592-21apt-get11:15:102
1403188992518,6cyclictest1428116-21ntpq07:30:211
1403188992518,5cyclictest0-21swapper/112:00:121
1403188992517,7cyclictest1639845-21runrttasks11:00:101
1403188992516,8cyclictest1567644-21cron09:50:001
140318899251,1cyclictest0-21swapper/109:40:121
140318899250,23cyclictest1695435-21taskset11:50:221
140318899250,23cyclictest1695435-21taskset11:50:211
140318899250,23cyclictest1474970-21apt-key08:20:001
140318599252,3cyclictest1701654-21apt-get12:00:120
140318599252,21cyclictest61650irq/133-enp0s29f1:rx-010:46:560
140318599250,4cyclictest1649803-21cron11:10:000
140318599250,23cyclictest1532072-21seq09:15:000
140319499242,2cyclictest1547636-21apt-get09:30:113
140319299242,20cyclictest1469865-21apt-get08:15:102
1403192992420,2cyclictest1475339-21apt-get08:20:112
1403192992419,3cyclictest1516803-21apt-get09:00:112
1403188992419,3cyclictest1537515-21apt-get09:20:111
1403188992418,5cyclictest1681321-21sshd11:40:091
140318899240,20cyclictest0-21swapper/109:55:101
1403185992420,3cyclictest1532465-21apt-get09:15:110
1403185992420,2cyclictest1552705-21apt-get09:35:110
1403185992419,3cyclictest1439880-21tr07:45:150
140318599241,3cyclictest1691471-21apt-get11:50:130
140318599241,3cyclictest1691471-21apt-get11:50:120
140318599241,3cyclictest1562852-21apt-get09:45:110
140318599241,21cyclictest1449219-21idleruntime-cro07:55:010
140318599241,21cyclictest0-21swapper/007:25:100
1403194992319,2cyclictest1444428-21apt-get07:50:133
1403194992318,4cyclictest1686882-21sed11:45:163
1403194992318,3cyclictest1454610-21apt-get08:00:113
140319499231,2cyclictest1706731-21apt-get12:05:123
140319499231,20cyclictest1608632-21cron10:30:003
140319499230,20cyclictest1424148-21chrt07:30:133
140319499230,20cyclictest0-21swapper/309:45:123
140319499230,19cyclictest0-21swapper/307:35:123
1403192992321,1cyclictest0-21swapper/210:20:112
140319299231,2cyclictest1506663-21apt-get08:50:112
140319299231,2cyclictest1419041-21apt-get07:25:102
140319299231,21cyclictest1629295-21apt-get10:50:102
140319299231,21cyclictest1429235-21apt-get07:35:122
140319299231,20cyclictest1593317-21apt-get10:15:112
140319299230,22cyclictest1681809-21grep11:40:142
140319299230,22cyclictest1531896-21apt-key09:15:002
140319299230,22cyclictest0-21swapper/208:30:002
1403188992320,2cyclictest3777322-21systemd-journal07:45:011
1403188992319,2cyclictest1644955-21apt-get11:05:111
1403188992318,3cyclictest1670775-21apt-get11:30:091
1403188992316,6cyclictest1720906-21ntpq12:15:201
140318899231,2cyclictest1732173-21apt-get12:30:121
140318899231,2cyclictest1-21systemd10:05:001
140318899230,20cyclictest0-21swapper/110:45:101
140318599231,2cyclictest1722030-21apt-get12:20:110
140318599231,2cyclictest1521880-21apt-get09:05:120
140318599231,21cyclictest1696587-21apt-get11:55:110
140318599231,21cyclictest1583159-21apt-get10:05:120
140318599231,20cyclictest1485928-21apt-get08:30:110
140318599231,20cyclictest0-21swapper/011:45:110
140318599231,20cyclictest0-21swapper/008:15:190
140318599230,20cyclictest0-21swapper/008:25:120
1403194992219,2cyclictest0-21swapper/310:45:113
1403194992218,3cyclictest1592163-21ntpq10:10:213
1403194992218,2cyclictest1557754-21apt-get09:40:113
140319499220,2cyclictest1618843-21munin-run10:40:003
140319499220,20cyclictest0-21swapper/311:55:123
140319499220,20cyclictest0-21swapper/310:05:123
140319499220,19cyclictest0-21swapper/312:20:113
140319499220,19cyclictest0-21swapper/310:30:103
140319299222,1cyclictest0-21swapper/211:20:112
140319299222,19cyclictest1496520-21apt-get08:40:112
1403192992219,2cyclictest1737247-21apt-get12:35:112
1403192992219,2cyclictest1711819-21apt-get12:10:122
1403192992219,2cyclictest1464777-21apt-get08:10:122
1403192992219,2cyclictest0-21swapper/207:45:012
1403192992218,3cyclictest1675546-21cron11:35:002
1403192992216,5cyclictest1459434-21sh08:05:002
140319299221,19cyclictest1727150-21apt-get12:25:112
140319299220,2cyclictest1441591-21sed07:45:162
140319299220,21cyclictest1568419-21ps09:50:152
1403188992219,2cyclictest0-21swapper/111:57:591
1403188992218,2cyclictest1588231-21apt-get10:10:131
1403188992218,2cyclictest0-21swapper/112:10:121
1403188992213,8cyclictest1500889-21unixbench_multi08:40:231
140318899221,1cyclictest1475303-21apt-get08:20:021
140318899220,21cyclictest0-21swapper/110:20:111
140318899220,20cyclictest0-21swapper/109:30:111
140318899220,19cyclictest0-21swapper/112:35:121
1403185992219,2cyclictest1491450-21apt-get08:35:120
1403185992219,2cyclictest1413523-21apt-get07:20:110
1403185992218,3cyclictest1428956-21cron07:35:000
1403185992216,5cyclictest1517239-21taskset09:00:150
1403185992216,4cyclictest1644677-21cron11:04:590
140318599221,20cyclictest0-21swapper/011:25:100
140318599221,1cyclictest0-21swapper/009:25:100
140318599221,19cyclictest0-21swapper/008:55:100
140318599220,21cyclictest1-21systemd10:25:010
140318599220,21cyclictest0-21swapper/008:50:120
1403194992119,1cyclictest0-21swapper/311:10:113
1403194992119,1cyclictest0-21swapper/309:00:113
1403194992118,2cyclictest0-21swapper/312:30:123
1403194992118,1cyclictest0-21swapper/310:00:133
140319499211,1cyclictest0-21swapper/310:50:103
140319499211,1cyclictest0-21swapper/308:55:113
140319499210,2cyclictest0-21swapper/308:30:113
140319499210,20cyclictest64-21kcompactd010:22:503
140319499210,20cyclictest1474834-21apt-config08:20:003
140319499210,20cyclictest0-21swapper/312:40:003
140319499210,20cyclictest0-21swapper/311:35:113
140319499210,20cyclictest0-21swapper/307:25:103
140319499210,1cyclictest0-21swapper/308:45:103
1403192992119,1cyclictest0-21swapper/211:55:502
1403192992119,1cyclictest0-21swapper/211:05:102
1403192992119,1cyclictest0-21swapper/209:55:092
140319299211,19cyclictest0-21swapper/208:48:132
140319299210,20cyclictest1486880-21ps08:30:142
140319299210,1cyclictest0-21swapper/208:55:442
1403188992119,1cyclictest1639179-21/usr/sbin/munin11:00:001
1403188992119,0cyclictest0-21swapper/111:35:121
1403188992118,2cyclictest0-21swapper/110:15:111
1403188992118,2cyclictest0-21swapper/109:00:001
1403188992118,1cyclictest1613985-21apt-get10:35:111
1403188992118,1cyclictest0-21swapper/111:45:111
1403188992118,1cyclictest0-21swapper/110:25:121
1403188992117,3cyclictest1408196-21cut07:15:001
1403188992114,5cyclictest1654897-21sh11:14:591
140318899211,19cyclictest0-21swapper/108:10:121
1403188992111,8cyclictest0-21swapper/108:00:011
140318899210,2cyclictest1572743-21idleruntime-cro09:55:001
140318899210,1cyclictest0-21swapper/112:25:111
1403185992119,1cyclictest0-21swapper/010:40:120
1403185992119,1cyclictest0-21swapper/010:10:120
1403185992118,2cyclictest1573011-21apt-get09:55:100
1403185992118,2cyclictest0-21swapper/008:20:110
1403185992117,3cyclictest0-21swapper/007:10:110
1403185992116,4cyclictest1558255-21ps09:40:160
140318599211,1cyclictest0-21swapper/008:45:100
140318599211,19cyclictest0-21swapper/008:00:120
140318599210,20cyclictest64-21kcompactd012:08:120
140318599210,20cyclictest0-21swapper/012:35:120
140318599210,20cyclictest0-21swapper/011:15:100
140318599210,20cyclictest0-21swapper/010:00:210
140318599210,20cyclictest0-21swapper/009:55:000
140318599210,20cyclictest0-21swapper/008:40:110
140318599210,1cyclictest0-21swapper/007:15:100
1403194992018,1cyclictest1490763-21apt-get08:35:023
1403194992018,1cyclictest0-21swapper/312:25:123
1403194992018,1cyclictest0-21swapper/309:22:053
1403194992018,1cyclictest0-21swapper/309:15:003
1403194992018,1cyclictest0-21swapper/309:05:133
140319499200,20cyclictest0-21swapper/311:52:043
140319499200,20cyclictest0-21swapper/311:52:043
140319499200,1cyclictest64-21kcompactd012:18:583
140319499200,1cyclictest1568412-21grep09:50:143
140319499200,1cyclictest0-21swapper/311:01:013
140319499200,1cyclictest0-21swapper/308:55:003
140319499200,1cyclictest0-21swapper/308:15:003
140319499200,1cyclictest0-21swapper/307:45:113
140319499200,1cyclictest0-21swapper/307:40:123
1403192992019,0cyclictest0-21swapper/212:05:112
1403192992018,1cyclictest1578088-21apt-get10:00:122
1403192992018,1cyclictest0-21swapper/212:30:122
1403192992018,1cyclictest0-21swapper/211:35:122
1403192992018,1cyclictest0-21swapper/207:10:112
1403192992017,2cyclictest1691471-21apt-get11:50:142
1403192992017,2cyclictest1691471-21apt-get11:50:132
140319299200,1cyclictest0-21swapper/211:00:202
140319299200,1cyclictest0-21swapper/209:30:112
140319299200,1cyclictest0-21swapper/209:20:112
140319299200,19cyclictest1418376-21https07:25:012
140319299200,19cyclictest0-21swapper/210:25:312
140319299200,19cyclictest0-21swapper/210:05:112
140319299200,19cyclictest0-21swapper/208:07:212
140319299200,19cyclictest0-21swapper/207:50:132
140318899207,2cyclictest0-21swapper/111:25:151
1403188992018,1cyclictest0-21swapper/108:35:121
1403188992017,2cyclictest1532120-21apt-config09:15:001
1403188992016,3cyclictest1480411-21apt-get08:25:121
1403188992012,7cyclictest1609246-21gltestperf10:30:131
140318899200,6cyclictest3777322-21systemd-journal09:20:001
140318899200,2cyclictest1-21systemd07:30:011
140318899200,1cyclictest0-21swapper/110:54:341
140318899200,1cyclictest0-21swapper/108:30:101
140318899200,1cyclictest0-21swapper/107:35:111
1403185992018,1cyclictest64-21kcompactd010:29:490
1403185992018,1cyclictest0-21swapper/012:10:210
1403185992018,1cyclictest0-21swapper/010:20:010
1403185992017,2cyclictest1732666-21irqcore12:30:160
1403185992016,3cyclictest1727635-21ps12:25:150
1403185992016,3cyclictest1449493-21apt-get07:55:110
1403185992016,2cyclictest0-21swapper/011:30:090
1403185992016,2cyclictest0-21swapper/011:15:000
1403185992016,2cyclictest0-21swapper/010:50:110
1403185992015,3cyclictest1613712-21sh10:35:000
140318599200,2cyclictest0-21swapper/007:35:120
140318599200,1cyclictest0-21swapper/010:35:130
1403194991917,1cyclictest1547391-21idleruntime-cro09:30:003
1403194991917,1cyclictest0-21swapper/308:25:133
1403194991917,1cyclictest0-21swapper/308:20:163
1403194991914,4cyclictest1638054-21chrt10:55:173
140319499190,18cyclictest0-21swapper/311:40:203
140319299194,3cyclictest41-21ksoftirqd/209:15:142
140319299192,4cyclictest41-21ksoftirqd/211:15:002
1403192991918,1cyclictest0-21swapper/210:35:112
1403192991918,1cyclictest0-21swapper/209:25:182
1403192991917,1cyclictest0-21swapper/210:14:462
1403192991916,2cyclictest1634368-21apt-get10:55:112
140319299190,18cyclictest0-21swapper/210:46:562
140319299190,18cyclictest0-21swapper/210:43:482
140318899196,5cyclictest1464497-21cron08:10:011
140318899195,4cyclictest1727058-21cat12:25:001
1403188991918,1cyclictest64-21kcompactd010:05:381
1403188991916,2cyclictest1458574-21ntpq08:00:201
140318899190,9cyclictest1522002-21cut09:05:131
140318599190,0cyclictest0-21swapper/011:40:140
1403194991817,1cyclictest0-21swapper/311:35:013
1403194991816,1cyclictest1619102-21apt-get10:40:123
1403194991816,1cyclictest0-21swapper/311:25:103
1403194991815,1cyclictest0-21swapper/310:18:333
1403192991817,1cyclictest0-21swapper/209:45:112
1403192991816,1cyclictest0-21swapper/207:16:162
1403192991815,2cyclictest1666228-21cut11:25:142
1403192991815,2cyclictest1424649-21irqcore07:30:162
1403192991813,1cyclictest191rcu_preempt10:35:012
140319299180,18cyclictest0-21swapper/212:00:112
1403188991816,1cyclictest1439373-21apt-get07:45:101
1403185991816,1cyclictest0-21swapper/010:59:550
1403185991813,3cyclictest1716909-21apt-get12:15:110
1403194991715,1cyclictest0-21swapper/309:55:103
1403192991716,1cyclictest0-21swapper/209:08:062
1403192991715,1cyclictest391rcuc/209:35:192
1403192991714,2cyclictest1403180-21cyclictest07:55:172
140318899176,2cyclictest0-21swapper/108:50:181
1403188991715,1cyclictest0-21swapper/111:15:021
1403188991715,1cyclictest0-21swapper/110:40:121
1403185991713,3cyclictest61650irq/133-enp0s29f1:rx-011:20:220
1403185991712,3cyclictest61650irq/133-enp0s29f1:rx-008:10:110
1403194991613,2cyclictest1403666-21fschecks_time07:10:133
1403192991614,1cyclictest0-21swapper/212:23:472
140318899161,3cyclictest1521620-21grep09:05:001
1403188991612,3cyclictest1448336-21ntp_kernel_pll_07:50:221
1403194991513,1cyclictest0-21swapper/311:06:553
1403194991513,1cyclictest0-21swapper/307:20:113
1403192991513,1cyclictest0-21swapper/208:35:122
1403192991511,3cyclictest1690742-21unixbench_multi11:45:232
1403185991513,1cyclictest0-21swapper/009:20:280
1403194991411,2cyclictest1552709-21taskset09:35:113
1403194991410,3cyclictest1497009-21irqcore08:40:153
140319299140,3cyclictest1560448-21kthreadcore09:40:172
1403185991411,2cyclictest1551974-21unixbench_multi09:30:230
1403185991310,2cyclictest0-21swapper/007:10:010
140319499128,3cyclictest1665064-21unixbench_singl11:20:243
1403194991210,1cyclictest0-21swapper/308:05:133
1403194991210,1cyclictest0-21swapper/307:55:203
140319299127,1cyclictest191rcu_preempt07:10:012
140318899129,2cyclictest0-21swapper/109:35:111
140319499118,2cyclictest491ktimers/312:10:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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