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2026-06-30 - 09:27
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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 376 highest latencies:
System rackeslot4.osadl.org (updated Tue Jun 30, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
167292899271,22cyclictest1739331-21apt-get20:15:113
1672925992724,2cyclictest514-21in:imuxsock21:30:012
167292899261,22cyclictest3871586-21snmpd19:20:233
167292899261,21cyclictest1993467-21apt-get00:25:113
167292899261,21cyclictest1795375-21apt-get21:10:133
167292899260,24cyclictest1677893-21cron19:15:003
1672925992622,3cyclictest514-21in:imuxsock00:35:002
1672928992522,2cyclictest1794700-21turbostat21:09:593
1672928992521,2cyclictest1769444-21turbostat20:45:003
1672928992521,2cyclictest1769444-21turbostat20:44:593
1672928992520,3cyclictest1927246-21apt-get23:20:123
167292899251,2cyclictest1774738-21apt-get20:50:133
167292899251,23cyclictest1886471-21idleruntime-cro22:40:003
167292899251,22cyclictest1983850-21ps00:15:143
167292899251,21cyclictest0-21swapper/323:05:123
167292899251,21cyclictest0-21swapper/322:00:123
167292899251,21cyclictest0-21swapper/321:30:123
167292599251,2cyclictest0-21swapper/219:25:122
167292599251,22cyclictest0-21swapper/223:45:122
167292599251,21cyclictest0-21swapper/221:55:132
167292599251,1cyclictest0-21swapper/220:05:122
1672919992522,2cyclictest509-21systemd-logind20:10:000
1672928992420,2cyclictest1688752-21apt-get19:25:123
1672928992420,2cyclictest0-21swapper/319:45:163
167292899241,3cyclictest1954768-21sed23:45:183
167292899241,20cyclictest0-21swapper/322:15:113
167292899241,20cyclictest0-21swapper/321:40:123
167292899240,21cyclictest0-21swapper/323:55:103
167292899240,21cyclictest0-21swapper/322:05:133
167292899240,21cyclictest0-21swapper/320:35:113
167292599242,20cyclictest1958036-21apt-get23:50:112
1672925992421,2cyclictest514-21in:imuxsock19:35:002
167292599241,21cyclictest1824532-21ntpq21:35:202
167292599241,21cyclictest0-21swapper/221:45:132
167292599241,21cyclictest0-21swapper/220:50:132
167292599241,20cyclictest1922167-21apt-get23:15:132
167292599240,20cyclictest0-21swapper/200:10:142
1672919992420,2cyclictest1683675-21apt-get19:20:130
1672919992419,3cyclictest1693827-21apt-get19:30:130
1672928992319,2cyclictest1999020-21grep00:30:163
1672928992319,2cyclictest1968149-21apt-get00:00:103
1672928992319,2cyclictest1942383-21apt-get23:35:113
1672928992319,2cyclictest1839742-21ntpq21:50:213
1672928992319,2cyclictest0-21swapper/322:50:133
167292899231,2cyclictest0-21swapper/323:25:133
167292899230,22cyclictest1678668-21ps19:15:173
167292899230,21cyclictest64-21kcompactd023:01:573
167292599232,2cyclictest1906958-21apt-get23:00:112
167292599232,1cyclictest1973212-21apt-get00:05:182
1672925992319,3cyclictest1677092-21taskset19:10:222
1672925992319,2cyclictest1825720-21apt-get21:40:122
167292599230,21cyclictest1891795-21apt-get22:45:112
167292599230,21cyclictest0-21swapper/220:30:122
1672921992319,3cyclictest1759597-21apt-get20:35:121
1672921992318,3cyclictest0-21swapper/119:30:131
167292199231,3cyclictest1774738-21apt-get20:50:141
167292199231,2cyclictest1881691-21apt-get22:35:121
167292199231,2cyclictest1810514-21apt-get21:25:131
167292199231,2cyclictest1749423-21apt-get20:25:131
167292199231,20cyclictest1835804-21apt-get21:50:131
167292199230,20cyclictest0-21swapper/120:00:131
167292199230,1cyclictest0-21swapper/122:50:131
1672919992320,2cyclictest1861516-21apt-get22:15:110
1672919992320,2cyclictest1830773-21apt-get21:45:120
1672919992319,2cyclictest1952538-21apt-get23:45:120
1672919992319,2cyclictest1815567-21apt-get21:30:110
167291999231,2cyclictest1896853-21apt-get22:50:140
167291999231,2cyclictest1805482-21apt-get21:20:120
167291999231,20cyclictest0-21swapper/000:00:100
1672928992220,1cyclictest0-21swapper/321:00:213
1672928992219,2cyclictest0-21swapper/320:30:123
1672928992219,1cyclictest1805482-21apt-get21:20:113
1672928992219,1cyclictest0-21swapper/300:10:143
1672928992218,2cyclictest1947459-21apt-get23:40:113
1672928992218,2cyclictest0-21swapper/320:00:183
1672928992218,2cyclictest0-21swapper/319:50:123
167292899221,2cyclictest0-21swapper/320:12:043
167292899221,20cyclictest0-21swapper/323:11:383
167292899221,20cyclictest0-21swapper/323:11:383
167292899221,19cyclictest0-21swapper/321:25:443
167292899220,2cyclictest0-21swapper/322:40:123
167292899220,2cyclictest0-21swapper/322:25:133
1672925992219,2cyclictest0-21swapper/220:20:142
1672925992218,3cyclictest0-21swapper/220:35:112
1672925992215,1cyclictest1703703-21munin-plugin-st19:40:002
167292599221,2cyclictest0-21swapper/222:30:122
167292599221,20cyclictest0-21swapper/220:00:132
167292599220,2cyclictest0-21swapper/222:50:132
167292599220,21cyclictest1-21systemd19:20:012
167292599220,20cyclictest0-21swapper/222:00:122
167292599220,19cyclictest0-21swapper/220:40:132
167292599220,19cyclictest0-21swapper/220:40:122
1672921992219,2cyclictest1719617-21irqcore19:55:151
1672921992219,1cyclictest0-21swapper/122:25:131
167292199221,20cyclictest2003614-21apt-get00:35:131
167292199221,20cyclictest1947459-21apt-get23:40:101
167292199220,3cyclictest1841361-21irqcore21:55:171
167292199220,2cyclictest1678176-21taskset19:15:131
167292199220,2cyclictest0-21swapper/121:05:121
167292199220,21cyclictest0-21swapper/100:10:141
167292199220,20cyclictest0-21swapper/100:20:141
167292199220,1cyclictest0-21swapper/122:00:121
167292199220,1cyclictest0-21swapper/120:15:111
167292199220,19cyclictest0-21swapper/123:45:121
1672919992219,2cyclictest1932311-21apt-get23:25:120
1672919992219,1cyclictest1820645-21apt-get21:35:120
1672919992218,2cyclictest1734279-21apt-get20:10:110
167291999221,20cyclictest0-21swapper/000:20:150
167291999220,20cyclictest1856954-21sort22:10:160
1672928992119,1cyclictest0-21swapper/322:55:113
1672928992119,1cyclictest0-21swapper/322:30:123
1672928992118,2cyclictest1989366-21sed00:20:193
167292899210,2cyclictest0-21swapper/321:45:213
167292899210,20cyclictest64-21kcompactd020:26:033
167292899210,20cyclictest0-21swapper/321:59:043
167292899210,19cyclictest0-21swapper/321:35:113
1672925992119,1cyclictest1795375-21apt-get21:10:122
1672925992119,1cyclictest0-21swapper/223:55:102
1672925992117,2cyclictest0-21swapper/223:40:112
1672925992117,2cyclictest0-21swapper/200:15:092
1672925992117,2cyclictest0-21swapper/200:00:102
167292599211,1cyclictest0-21swapper/220:15:112
167292599210,2cyclictest0-21swapper/222:35:122
167292599210,20cyclictest64-21kcompactd021:52:042
167292599210,20cyclictest64-21kcompactd021:02:372
167292599210,20cyclictest0-21swapper/221:05:112
167292599210,1cyclictest1988416-21apt-get00:20:142
1672921992119,1cyclictest1901904-21apt-get22:55:111
1672921992119,1cyclictest0-21swapper/120:20:141
1672921992118,2cyclictest1963089-21apt-get23:55:101
1672921992118,1cyclictest1921890-21cron23:15:011
1672921992118,1cyclictest1921890-21cron23:15:001
1672921992117,2cyclictest1958000-21apt-get23:50:031
167292199210,2cyclictest64-21kcompactd022:10:531
167292199210,20cyclictest1851411-21apt-get22:05:121
167292199210,20cyclictest0-21swapper/123:15:131
167292199210,20cyclictest0-21swapper/122:45:111
167292199210,1cyclictest0-21swapper/120:10:101
167292199210,19cyclictest0-21swapper/121:35:201
1672919992119,1cyclictest0-21swapper/021:55:130
1672919992119,1cyclictest0-21swapper/019:25:140
1672919992119,1cyclictest0-21swapper/000:34:570
1672919992118,2cyclictest1800451-21apt-get21:15:130
1672919992118,2cyclictest1764652-21apt-get20:40:130
1672919992118,2cyclictest1764652-21apt-get20:40:130
1672919992118,2cyclictest0-21swapper/000:25:120
1672919992116,4cyclictest1927746-21grep23:20:170
167291999210,20cyclictest64-21kcompactd023:38:320
167291999210,20cyclictest1790379-21ps21:05:160
167291999210,20cyclictest0-21swapper/021:10:130
167291999210,20cyclictest0-21swapper/000:10:150
167291999210,1cyclictest0-21swapper/023:00:110
1672928992018,1cyclictest0-21swapper/320:20:243
1672928992018,1cyclictest0-21swapper/319:40:123
1672928992017,2cyclictest0-21swapper/320:06:103
1672928992016,2cyclictest0-21swapper/321:15:133
1672925992017,2cyclictest0-21swapper/219:45:112
1672925992016,2cyclictest0-21swapper/222:15:112
1672925992016,2cyclictest0-21swapper/220:45:112
1672925992015,4cyclictest1997414-21runrttasks00:25:212
167292599201,18cyclictest1723883-21cron19:59:592
167292599200,1cyclictest0-21swapper/219:40:122
167292599200,19cyclictest0-21swapper/223:30:102
167292599200,19cyclictest0-21swapper/221:15:312
167292599200,19cyclictest0-21swapper/220:10:112
1672921992018,1cyclictest0-21swapper/121:40:121
1672921992018,1cyclictest0-21swapper/121:10:131
1672921992018,1cyclictest0-21swapper/119:10:121
167292199200,1cyclictest0-21swapper/120:45:111
167292199200,1cyclictest0-21swapper/120:05:121
167292199200,1cyclictest0-21swapper/119:50:121
167292199200,19cyclictest0-21swapper/122:30:131
167292199200,19cyclictest0-21swapper/120:40:131
167292199200,19cyclictest0-21swapper/120:40:121
167292199200,19cyclictest0-21swapper/119:25:121
1672919992018,1cyclictest0-21swapper/023:15:130
1672919992018,1cyclictest0-21swapper/022:55:120
1672919992018,1cyclictest0-21swapper/021:40:120
1672919992018,1cyclictest0-21swapper/020:20:140
1672919992018,1cyclictest0-21swapper/000:15:100
1672919992017,2cyclictest1845913-21apt-get22:00:120
1672919992017,2cyclictest1724162-21apt-get20:00:130
1672919992017,2cyclictest0-21swapper/022:40:140
167291999200,1cyclictest64-21kcompactd021:28:570
167291999200,1cyclictest1678173-21apt-get19:15:130
167291999200,1cyclictest0-21swapper/023:50:120
167291999200,1cyclictest0-21swapper/023:05:120
167291999200,1cyclictest0-21swapper/020:51:520
167291999200,1cyclictest0-21swapper/020:30:120
167291999200,19cyclictest1672933-21sed19:10:010
167291999200,19cyclictest0-21swapper/022:20:100
167291999200,19cyclictest0-21swapper/021:50:130
1672928991914,3cyclictest0-21swapper/323:15:133
1672925991916,2cyclictest1688493-21idleruntime-cro19:25:012
1672925991915,3cyclictest1918035-21kthreadcore23:10:162
1672925991915,3cyclictest1918035-21kthreadcore23:10:162
1672925991914,1cyclictest191rcu_preempt21:30:172
167292599190,19cyclictest0-21swapper/222:10:222
167292599190,18cyclictest0-21swapper/222:55:112
1672921991918,1cyclictest0-21swapper/121:02:371
1672921991917,1cyclictest0-21swapper/120:57:471
1672921991917,1cyclictest0-21swapper/119:45:121
1672921991917,1cyclictest0-21swapper/100:00:181
1672919991917,1cyclictest0-21swapper/023:55:090
1672919991917,1cyclictest0-21swapper/020:45:200
1672919991917,1cyclictest0-21swapper/020:35:110
1672919991917,1cyclictest0-21swapper/020:29:490
1672919991917,1cyclictest0-21swapper/019:55:110
167291999190,19cyclictest0-21swapper/020:58:190
167291999190,19cyclictest0-21swapper/000:39:490
167291999190,18cyclictest0-21swapper/023:30:180
1672928991814,3cyclictest1769704-21apt-get20:45:113
1672928991814,2cyclictest0-21swapper/319:39:503
1672928991812,4cyclictest1937839-21tr23:30:143
1672925991816,1cyclictest1779790-21apt-get20:55:132
1672925991816,1cyclictest0-21swapper/223:20:122
1672925991816,1cyclictest0-21swapper/222:45:002
1672925991815,2cyclictest1871609-21apt-get22:25:132
1672925991815,2cyclictest1851701-21/usr/sbin/munin22:05:152
167292199187,2cyclictest191rcu_preempt00:30:121
1672921991816,1cyclictest1983354-21apt-get00:15:091
1672921991815,1cyclictest0-21swapper/121:45:121
1672921991815,1cyclictest0-21swapper/119:40:161
1672921991814,3cyclictest0-21swapper/122:15:111
167292199180,1cyclictest1975908-21grep00:05:241
1672919991816,1cyclictest0-21swapper/023:40:110
1672919991816,1cyclictest0-21swapper/022:46:220
1672919991816,1cyclictest0-21swapper/022:30:120
1672919991816,1cyclictest0-21swapper/019:10:120
1672919991815,2cyclictest1917088-21apt-get23:10:120
1672919991815,2cyclictest1917088-21apt-get23:10:110
1672919991815,2cyclictest1885555-21ntpq22:35:200
1672919991815,2cyclictest0-21swapper/000:05:180
1672928991715,1cyclictest0-21swapper/322:49:033
1672928991714,2cyclictest0-21swapper/320:55:133
1672925991715,1cyclictest0-21swapper/220:25:132
1672925991715,1cyclictest0-21swapper/219:50:122
1672925991714,2cyclictest1942869-21grep23:35:152
1672921991715,1cyclictest1820366-21cron21:35:001
1672921991715,1cyclictest1802245-21kthreadcore21:15:191
1672921991715,1cyclictest0-21swapper/123:33:401
1672921991714,2cyclictest0-21swapper/122:45:001
1672921991713,2cyclictest702-21runrttasks00:25:211
1672919991715,1cyclictest0-21swapper/020:15:110
1672919991714,2cyclictest1875332-21/usr/sbin/munin22:25:200
1672919991714,2cyclictest1714087-21apt-get19:50:120
1672919991713,3cyclictest61650irq/133-enp0s29f1:rx-022:05:120
1672928991612,3cyclictest1719611-21irqcore19:55:153
1672928991611,2cyclictest1856464-21apt-get22:10:113
167292199162,2cyclictest191rcu_preempt22:20:111
1672921991614,1cyclictest0-21swapper/123:20:131
1672921991614,1cyclictest0-21swapper/123:01:251
1672921991613,2cyclictest1754498-21apt-get20:30:121
1672921991612,2cyclictest1942870-21sed23:35:161
1672928991512,1cyclictest2003614-21apt-get00:35:133
167292199154,2cyclictest191rcu_preempt21:20:131
1672921991512,2cyclictest377-21hwrng19:20:151
1672921991512,1cyclictest0-21swapper/119:35:131
1672919991512,2cyclictest61650irq/133-enp0s29f1:rx-019:35:160
1672928991412,1cyclictest0-21swapper/323:54:383
1672928991411,2cyclictest1693827-21apt-get19:30:133
1672928991410,2cyclictest0-21swapper/322:25:003
1672925991412,1cyclictest0-21swapper/200:39:172
1672925991411,2cyclictest1916353-21unixbench_multi23:05:252
1672925991411,1cyclictest1937068-21ls23:30:002
167292199140,2cyclictest191rcu_preempt23:25:161
167292199140,2cyclictest191rcu_preempt23:05:181
1672919991411,2cyclictest61650irq/133-enp0s29f1:rx-021:00:140
167292899131,10cyclictest1672856-21latency_hist19:10:003
167291999130,1cyclictest0-21swapper/019:49:550
167292899128,3cyclictest1973520-21gltestperf00:05:203
167291999128,3cyclictest61650irq/133-enp0s29f1:rx-019:40:120
167292599112,2cyclictest191rcu_preempt21:20:142
1672925991110,1cyclictest0-21swapper/222:21:382
16729219990,2cyclictest1672990-21wc19:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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