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2026-08-21 - 16:14
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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 Fri Aug 21, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50961499283,6cyclictest560337-21cron08:00:002
509614992722,3cyclictest0-21swapper/208:25:002
509614992720,5cyclictest510336-21cut07:10:152
509614992620,4cyclictest545422-21apt-get07:45:122
509614992620,4cyclictest545422-21apt-get07:45:112
50961299262,22cyclictest642213-21apt-get09:20:121
50961299262,21cyclictest678114-21apt-get09:55:101
50960899260,24cyclictest776244-21grep11:30:140
50960899260,24cyclictest769963-21cron11:25:000
50961799251,21cyclictest796020-21apt-get11:50:133
509614992522,2cyclictest566175-21grep08:05:162
50961499252,21cyclictest540330-21apt-get07:40:112
509614992521,2cyclictest703912-21apt-get10:20:112
509614992521,2cyclictest703912-21apt-get10:20:112
509614992520,3cyclictest688254-21apt-get10:05:122
50961499251,3cyclictest790951-21apt-get11:45:122
50961499250,23cyclictest565400-21cron08:05:002
509612992522,2cyclictest637621-21cut09:15:171
50961299251,4cyclictest519996-21apt-get07:20:101
50961299251,21cyclictest836532-21apt-get12:30:111
50961299251,21cyclictest821277-21apt-get12:15:111
50960899251,21cyclictest632024-21apt-get09:10:110
50960899251,20cyclictest831439-21apt-get12:25:100
50960899250,23cyclictest576722-21ps08:15:160
509617992421,2cyclictest0-21swapper/312:40:003
509617992420,3cyclictest529011-21ntpq07:25:203
50961499243,1cyclictest0-21swapper/212:35:102
50961499242,2cyclictest0-21swapper/211:55:152
509614992421,2cyclictest0-21swapper/209:20:002
509612992420,2cyclictest535241-21apt-get07:35:131
509612992420,2cyclictest525043-21apt-get07:25:111
509612992419,4cyclictest831186-21munin-run12:24:591
50961299241,21cyclictest667956-21apt-get09:45:111
50961299241,20cyclictest0-21swapper/107:30:111
50960899242,20cyclictest586353-21apt-get08:25:100
50960899241,3cyclictest0-21swapper/011:15:100
50960899241,2cyclictest801066-21apt-get11:55:150
50960899241,21cyclictest811189-21apt-get12:05:120
50960899241,21cyclictest785882-21apt-get11:40:120
50960899240,23cyclictest698117-21cron10:15:000
50960899240,23cyclictest698117-21cron10:15:000
509617992319,2cyclictest581307-21apt-get08:20:113
50961799231,19cyclictest0-21swapper/307:15:123
50961799230,20cyclictest0-21swapper/309:55:103
50961799230,20cyclictest0-21swapper/308:50:123
50961499234,7cyclictest500-21dbus-daemon10:15:002
50961499234,7cyclictest500-21dbus-daemon10:15:002
509614992319,2cyclictest617270-21irqcore08:55:162
509614992317,1cyclictest191rcu_preempt08:30:222
50961499231,2cyclictest0-21swapper/207:20:212
50961499231,21cyclictest647005-21cron09:24:592
50961499231,21cyclictest610632-21ntpq08:45:212
50961499230,20cyclictest0-21swapper/209:40:142
50961299231,2cyclictest729702-21apt-get10:45:121
50961299231,2cyclictest0-21swapper/110:55:131
50961299231,20cyclictest0-21swapper/110:40:001
50961299230,3cyclictest596223-21cron08:35:001
50961299230,22cyclictest785606-21cron11:40:001
50961299230,22cyclictest735274-21ps10:50:151
50961299230,20cyclictest0-21swapper/110:20:111
50961299230,20cyclictest0-21swapper/110:20:111
509608992320,2cyclictest830326-21ntpq12:20:200
509608992320,2cyclictest514927-21apt-get07:15:120
509608992319,2cyclictest806611-21cut12:00:170
50960899231,2cyclictest745827-21ps11:00:140
50960899231,2cyclictest714050-21apt-get10:30:110
50960899231,2cyclictest652752-21apt-get09:30:120
50960899231,2cyclictest647282-21apt-get09:25:130
50960899231,2cyclictest570746-21apt-get08:10:120
50960899231,20cyclictest816231-21apt-get12:10:110
50960899231,20cyclictest734791-21apt-get10:50:110
50960899230,22cyclictest785605-21cron11:40:000
50960899230,22cyclictest744606-21cron11:00:010
50960899230,21cyclictest795741-21cron11:50:000
50961799221,2cyclictest780812-21apt-get11:35:123
50961799221,2cyclictest668456-21grep09:45:163
50961799221,20cyclictest595319-21ntpq08:30:203
50961799221,20cyclictest523927-21ntpq07:20:203
50961799220,20cyclictest0-21swapper/310:20:113
50961799220,20cyclictest0-21swapper/310:20:113
50961799220,20cyclictest0-21swapper/310:10:113
50961799220,20cyclictest0-21swapper/310:10:113
50961799220,19cyclictest0-21swapper/310:30:113
50961799220,19cyclictest0-21swapper/308:10:113
50961799220,19cyclictest0-21swapper/307:35:123
50961499223,18cyclictest0-21swapper/209:30:002
509614992219,2cyclictest708984-21chrt10:25:112
509614992219,2cyclictest611722-21apt-get08:50:132
509614992219,2cyclictest0-21swapper/211:05:102
509614992217,4cyclictest786377-21ps11:40:162
50961499221,2cyclictest601559-21apt-get08:40:122
50961499221,20cyclictest0-21swapper/211:50:132
50961499221,1cyclictest0-21swapper/212:10:122
50961499220,2cyclictest596496-21seq08:35:132
50961499220,2cyclictest0-21swapper/210:45:112
50961499220,20cyclictest0-21swapper/211:20:122
509612992219,1cyclictest0-21swapper/109:10:111
509612992217,4cyclictest821009-21cron12:15:001
509612992217,3cyclictest596492-21apt-get08:35:131
509612992216,4cyclictest831442-21taskset12:25:101
50961299220,21cyclictest698173-21apt-config10:15:001
50961299220,21cyclictest698173-21apt-config10:15:001
50961299220,21cyclictest619013-21sed08:55:181
50961299220,20cyclictest550468-21apt-get07:50:111
50961299220,19cyclictest0-21swapper/112:05:121
50961299220,19cyclictest0-21swapper/108:10:121
50961299220,19cyclictest0-21swapper/107:40:111
509608992219,2cyclictest749955-21apt-get11:05:100
509608992219,2cyclictest0-21swapper/010:15:120
509608992219,2cyclictest0-21swapper/010:05:130
509608992219,2cyclictest0-21swapper/008:00:120
50960899221,2cyclictest0-21swapper/009:15:120
50960899221,2cyclictest0-21swapper/007:45:120
50960899221,2cyclictest0-21swapper/007:45:120
50960899221,20cyclictest719519-21apt-get10:35:120
50960899221,20cyclictest0-21swapper/007:10:110
50960899220,21cyclictest0-21swapper/012:35:100
50960899220,21cyclictest0-21swapper/010:45:120
50960899220,20cyclictest708981-21apt-get10:25:120
50960899220,20cyclictest0-21swapper/009:20:140
509617992119,1cyclictest0-21swapper/312:15:113
509617992118,2cyclictest810919-21cron12:04:593
50961799211,1cyclictest673045-21apt-get09:50:113
50961799210,2cyclictest1-21systemd09:10:013
50961799210,20cyclictest652068-21/usr/sbin/munin09:30:003
50961799210,20cyclictest644434-21ps09:20:183
50961799210,19cyclictest729424-21cron10:45:003
50961799210,19cyclictest560606-21apt-get08:00:113
50961799210,19cyclictest0-21swapper/312:05:123
50961799210,19cyclictest0-21swapper/307:55:133
509614992119,1cyclictest755032-21taskset11:10:132
509614992119,1cyclictest0-21swapper/212:20:112
509614992119,1cyclictest0-21swapper/212:00:122
509614992119,1cyclictest0-21swapper/208:15:212
509614992118,2cyclictest841353-21cron12:34:592
509614992118,2cyclictest0-21swapper/210:40:122
50961499211,1cyclictest0-21swapper/211:15:222
50961499211,1cyclictest0-21swapper/207:35:122
50961499210,2cyclictest0-21swapper/210:35:112
50961499210,2cyclictest0-21swapper/210:00:122
50961499210,2cyclictest0-21swapper/207:25:222
50961499210,20cyclictest0-21swapper/211:30:102
50961499210,20cyclictest0-21swapper/210:31:222
50961499210,20cyclictest0-21swapper/209:50:112
50961499210,20cyclictest0-21swapper/209:45:112
50961499210,20cyclictest0-21swapper/208:25:112
50961499210,20cyclictest0-21swapper/208:10:122
50961499210,20cyclictest0-21swapper/207:30:112
509612992119,1cyclictest846469-21sh12:39:591
509612992119,1cyclictest0-21swapper/111:40:121
509612992119,1cyclictest0-21swapper/111:30:101
509612992119,1cyclictest0-21swapper/111:15:101
509612992119,1cyclictest0-21swapper/109:05:201
509612992117,3cyclictest673045-21apt-get09:50:111
50961299211,1cyclictest64-21kcompactd012:01:411
50961299211,1cyclictest0-21swapper/111:55:151
50961299211,1cyclictest0-21swapper/111:05:201
50961299210,2cyclictest0-21swapper/109:00:121
50961299210,20cyclictest0-21swapper/107:10:111
509608992119,1cyclictest0-21swapper/010:40:120
509608992119,1cyclictest0-21swapper/009:55:140
509608992118,2cyclictest0-21swapper/007:55:130
50960899210,20cyclictest0-21swapper/011:50:130
50960899210,20cyclictest0-21swapper/009:50:120
50960899210,20cyclictest0-21swapper/007:20:110
509617992019,0cyclictest0-21swapper/307:14:053
509617992018,1cyclictest830261-21ntpq12:20:193
509617992018,1cyclictest0-21swapper/310:50:113
509617992018,1cyclictest0-21swapper/310:05:123
509617992018,1cyclictest0-21swapper/308:40:123
509617992018,1cyclictest0-21swapper/308:35:123
509617992018,1cyclictest0-21swapper/307:40:113
509617992016,2cyclictest744880-21apt-get11:00:093
50961799200,1cyclictest0-21swapper/311:30:103
50961799200,1cyclictest0-21swapper/309:00:123
50961799200,1cyclictest0-21swapper/308:45:113
50961799200,19cyclictest0-21swapper/311:25:133
50961799200,19cyclictest0-21swapper/310:15:113
50961799200,19cyclictest0-21swapper/309:42:593
509614992018,1cyclictest0-21swapper/210:52:522
509614992018,1cyclictest0-21swapper/209:05:222
509614992017,2cyclictest739838-21apt-get10:55:122
509614992017,2cyclictest0-21swapper/211:00:102
509614992016,2cyclictest652755-21taskset09:30:122
509614992015,1cyclictest191rcu_preempt12:15:152
50961499200,1cyclictest0-21swapper/211:25:032
50961499200,1cyclictest0-21swapper/207:15:122
50961499200,19cyclictest0-21swapper/210:16:512
509612992018,1cyclictest0-21swapper/110:40:161
509612992018,1cyclictest0-21swapper/110:30:121
509612992018,1cyclictest0-21swapper/108:40:121
509612992018,1cyclictest0-21swapper/108:20:101
509612992018,1cyclictest0-21swapper/108:15:121
509612992017,2cyclictest666806-21ntpq09:40:221
509612992016,2cyclictest0-21swapper/107:55:131
50961299200,20cyclictest0-21swapper/111:48:151
50961299200,1cyclictest755029-21apt-get11:10:121
50961299200,19cyclictest0-21swapper/109:36:321
50961299200,19cyclictest0-21swapper/109:30:111
50961299200,18cyclictest0-21swapper/109:25:141
509608992018,1cyclictest0-21swapper/012:15:110
509608992018,1cyclictest0-21swapper/008:43:190
509608992018,1cyclictest0-21swapper/008:05:110
50960899200,1cyclictest64-21kcompactd011:10:380
50960899200,1cyclictest0-21swapper/008:30:200
50960899200,1cyclictest0-21swapper/008:20:110
50960899200,19cyclictest0-21swapper/009:35:120
50960899200,19cyclictest0-21swapper/008:37:240
509617991918,1cyclictest0-21swapper/311:20:203
509617991917,1cyclictest0-21swapper/311:40:123
509617991917,1cyclictest0-21swapper/310:55:123
509617991917,1cyclictest0-21swapper/308:05:113
509617991914,3cyclictest801566-21irqcore11:55:193
50961799190,1cyclictest0-21swapper/308:29:533
50961799190,1cyclictest0-21swapper/307:53:523
50961799190,19cyclictest0-21swapper/308:15:153
50961799190,18cyclictest0-21swapper/307:45:213
50961799190,18cyclictest0-21swapper/307:45:203
50961499193,5cyclictest833919-21grep12:25:162
50961499193,5cyclictest682367-21cat09:55:232
509614991915,3cyclictest815045-21ntpq12:05:212
509614991915,2cyclictest657841-21apt-get09:35:112
509612991918,0cyclictest0-21swapper/108:25:101
509612991917,1cyclictest64-21kcompactd007:45:161
509612991917,1cyclictest64-21kcompactd007:45:161
509612991917,1cyclictest0-21swapper/110:00:121
50961299190,19cyclictest64-21kcompactd008:07:181
50961299190,19cyclictest0-21swapper/110:05:221
509608991917,1cyclictest0-21swapper/011:25:130
50960899190,19cyclictest0-21swapper/009:45:110
50960899190,19cyclictest0-21swapper/007:30:110
509617991815,2cyclictest637606-21sed09:15:173
509617991815,1cyclictest0-21swapper/312:10:123
509617991814,2cyclictest0-21swapper/311:10:013
50961799180,0cyclictest0-21swapper/309:30:213
509612991816,1cyclictest0-21swapper/111:03:051
509608991817,1cyclictest0-21swapper/007:50:110
509608991816,1cyclictest0-21swapper/008:45:280
509608991814,3cyclictest683667-21ps10:00:150
509608991814,3cyclictest62450irq/134-enp0s29f1:tx-009:05:130
509608991814,3cyclictest61650irq/133-enp0s29f1:rx-012:30:160
509608991811,5cyclictest704395-21ps10:20:160
509608991811,5cyclictest704395-21ps10:20:160
509617991716,1cyclictest64-21kcompactd008:59:273
509617991716,1cyclictest0-21swapper/311:49:513
509617991714,2cyclictest3777322-21systemd-journal09:40:003
50961499173,3cyclictest550898-21chrt07:50:152
509614991715,1cyclictest0-21swapper/211:35:112
509614991715,1cyclictest0-21swapper/209:00:122
509614991712,3cyclictest0-21swapper/209:10:142
509612991715,1cyclictest0-21swapper/111:20:121
509608991714,2cyclictest61650irq/133-enp0s29f1:rx-007:37:070
509617991614,1cyclictest0-21swapper/312:25:113
50961299168,2cyclictest191rcu_preempt08:50:181
509612991614,1cyclictest0-21swapper/110:18:291
509608991613,2cyclictest61650irq/133-enp0s29f1:rx-008:50:220
509608991610,5cyclictest61650irq/133-enp0s29f1:rx-009:00:220
50961799159,4cyclictest724129-21sshd10:37:553
509617991512,2cyclictest0-21swapper/310:05:003
509617991512,2cyclictest0-21swapper/309:14:593
509612991513,1cyclictest0-21swapper/110:25:121
509612991512,2cyclictest564485-21ntpq08:00:201
509612991511,2cyclictest0-21swapper/111:30:011
509612991511,2cyclictest0-21swapper/108:45:161
509608991511,3cyclictest61650irq/133-enp0s29f1:rx-007:25:110
509608991510,4cyclictest61650irq/133-enp0s29f1:rx-007:40:110
509617991411,2cyclictest709295-21gltestperf10:25:143
50961799139,3cyclictest836597-21cpuspeed_turbos12:30:113
509617991310,2cyclictest760166-21cpuspeed_turbos11:15:113
50961499138,3cyclictest509542-21latency_hist07:09:592
509612991310,2cyclictest796191-21fschecks_count11:50:141
509608991310,2cyclictest61650irq/133-enp0s29f1:rx-009:40:130
50961799128,2cyclictest0-21swapper/310:45:123
50961299128,3cyclictest0-21swapper/107:15:171
50961799118,2cyclictest755186-21df_inode11:10:143
50960899110,4cyclictest509754-21cat07:10:000
5096179996,2cyclictest491ktimers/307:30:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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