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2026-05-17 - 17:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackcslot4.osadl.org (updated Sun May 17, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21212362273214,45sleep00-21swapper/007:08:140
21213302253187,51sleep10-21swapper/107:09:151
179699580,4rtkit-daemon1795-21rtkit-daemon12:33:470
179699550,3rtkit-daemon1795-21rtkit-daemon10:19:010
179699540,4rtkit-daemon1795-21rtkit-daemon10:23:331
212153799532,33cyclictest2193112-21apt-get09:40:141
179699530,4rtkit-daemon1795-21rtkit-daemon12:17:571
179699510,4rtkit-daemon1795-21rtkit-daemon07:12:431
212153799502,6cyclictest2304143-21apt-get12:10:131
212153799502,4cyclictest2274377-21apt-get11:30:141
179699500,3rtkit-daemon1795-21rtkit-daemon07:13:340
21433652490,8sleep013-21ksoftirqd/008:00:230
212153799498,24cyclictest2162720-21cat08:50:171
179699490,3rtkit-daemon1795-21rtkit-daemon10:47:180
179699490,2rtkit-daemon1795-21rtkit-daemon11:40:100
212153799482,34cyclictest2217980-21ssh10:13:391
212153799481,4cyclictest2240957-21apt-get10:45:131
212153799480,8cyclictest2296825-21apt-get12:00:121
212153799480,35cyclictest2178293-21apt-get09:20:101
212153799472,5cyclictest2267015-21apt-get11:20:141
212153799472,5cyclictest2137948-21apt-get07:50:121
22394822460,7chrt0-21swapper/010:42:090
212153799462,8cyclictest2319233-21apt-get12:30:141
212153799461,5cyclictest2218878-21apt-get10:15:131
212153799452,5cyclictest2289031-21apt-get11:50:121
212153799452,3cyclictest2226418-21apt-get10:25:131
212153799451,5cyclictest2204224-21apt-get09:55:131
212153799441,4cyclictest2211604-21apt-get10:05:121
212153799441,10cyclictest2170266-21diskmemload10:58:541
212153799440,6cyclictest2200297-21ssh09:49:591
212153799432,4cyclictest2292458-21apt-get11:55:061
212153799431,6cyclictest2190326-21ntpq09:35:211
212153799431,5cyclictest2322804-21apt-get12:35:111
212153799431,4cyclictest2286242-21ntp_states11:45:221
212153799430,9cyclictest2284808-21ssh11:44:141
212153799430,2cyclictest2239572-21ssh10:42:221
212153799430,2cyclictest2170266-21diskmemload10:36:351
212153799421,3cyclictest2142076-21apt-get08:00:061
212153799420,7cyclictest2202567-21ssh09:51:461
179699420,10rtkit-daemon2140508-21df_inode07:55:141
23137262410,2sleep02170266-21diskmemload12:22:400
212153799410,9cyclictest2278645-21memory11:35:181
212153799410,8cyclictest2168330-21unin-run09:05:011
212153799410,7cyclictest2302420-21ssh12:06:501
22855142400,4sleep00-21swapper/011:45:130
212153799402,6cyclictest2170266-21diskmemload09:16:291
212153799402,5cyclictest2170266-21diskmemload11:16:211
212153799401,6cyclictest2230140-21ssh10:30:151
212153799401,6cyclictest2160616-21perl08:45:171
212153799400,9cyclictest2244673-21apt-get10:50:091
212153799400,7cyclictest2173070-21sh09:12:471
212153799400,7cyclictest2153517-21find08:25:241
212153799400,5cyclictest2317122-21sshd12:26:531
179699400,3rtkit-daemon0-21swapper/009:52:070
212153799392,6cyclictest2170266-21diskmemload09:30:511
212153799392,5cyclictest2170266-21diskmemload11:14:431
212153799391,5cyclictest2170266-21diskmemload10:02:211
212153799390,8cyclictest2124404-21df_inode07:15:161
212153799381,7cyclictest2130382-21perl07:30:151
212153799381,6cyclictest2170266-21diskmemload09:29:461
212153799381,5cyclictest2170266-21diskmemload11:03:361
212153799380,9cyclictest2127933-21munin-run07:25:001
212153799380,4cyclictest2133747-21package-data-do07:39:191
179699380,7rtkit-daemon2141840-21sshd07:57:550
212153799373,26cyclictest2148527-21apt-get08:15:111
212153799352,26cyclictest2164175-21apt-get08:55:141
179699350,3rtkit-daemon0-21swapper/008:31:541
212153799349,22cyclictest2151922-21seq08:21:411
212153799341,4cyclictest2136000-21apt-get07:45:131
179699340,3rtkit-daemon1795-21rtkit-daemon11:23:460
179699340,3rtkit-daemon0-21swapper/112:18:500
212153799335,5cyclictest2310684-1kworker/u9:012:20:141
212153799331,12cyclictest2146564-21/usr/sbin/munin08:10:271
2121537993311,20cyclictest2156336-21/usr/sbin/munin08:35:191
212153799330,31cyclictest2274124-21munin-run11:29:591
179699330,4rtkit-daemon1795-21rtkit-daemon11:06:251
179699330,3rtkit-daemon0-21swapper/111:56:390
212153799322,6cyclictest2128118-21apt-get07:25:121
179699320,4rtkit-daemon1795-21rtkit-daemon08:59:000
179699320,3rtkit-daemon1795-21rtkit-daemon11:26:510
179699320,3rtkit-daemon0-21swapper/108:15:190
212153799318,20cyclictest2169608-21cat09:05:241
179699310,3rtkit-daemon1795-21rtkit-daemon08:09:580
179699310,3rtkit-daemon0-21swapper/111:32:210
179699310,3rtkit-daemon0-21swapper/110:14:300
179699310,3rtkit-daemon0-21swapper/110:08:370
179699310,3rtkit-daemon0-21swapper/109:05:300
212153799301,10cyclictest2134054-21apt-get07:40:131
179699300,4rtkit-daemon1795-21rtkit-daemon09:43:170
179699300,3rtkit-daemon0-21swapper/110:01:440
179699300,3rtkit-daemon0-21swapper/107:23:340
179699290,4rtkit-daemon1795-21rtkit-daemon10:39:090
179699290,3rtkit-daemon0-21swapper/107:31:220
212153799280,9cyclictest2159452-21sort08:40:231
212153799280,9cyclictest2159452-21sort08:40:231
179699280,3rtkit-daemon0-21swapper/108:46:410
179699280,1rtkit-daemon1795-21rtkit-daemon08:42:070
179699280,1rtkit-daemon1795-21rtkit-daemon08:42:070
212153799271,6cyclictest284-20systemd-journal08:05:091
179699270,3rtkit-daemon0-21swapper/107:18:230
2121529992613,10cyclictest2244673-21apt-get10:50:120
2121529992612,8cyclictest2180740-1kworker/u9:209:30:120
2121529992611,9cyclictest2218012-1kworker/u9:110:30:130
212152999260,6cyclictest0-21swapper/009:24:000
179699260,4rtkit-daemon1795-21rtkit-daemon10:26:210
179699260,3rtkit-daemon0-21swapper/109:10:440
179699260,1rtkit-daemon1795-21rtkit-daemon11:51:540
212152999255,7cyclictest850-21runrttasks10:56:540
179699250,1rtkit-daemon1795-21rtkit-daemon07:54:540
212152999249,9cyclictest2295297-1kworker/u9:212:05:120
212152999242,15cyclictest2315091-21apt-get12:25:130
212152999232,5cyclictest141rcu_preempt11:35:130
212152999232,15cyclictest2156354-21apt-get08:35:130
212152999232,15cyclictest2134054-21apt-get07:40:160
212152999227,9cyclictest2244247-1kworker/u9:011:05:150
212152999223,6cyclictest2259759-21apt-get11:10:170
212152999223,12cyclictest2263379-21apt-get11:15:150
212152999222,14cyclictest2174453-21apt-get09:15:150
212152999222,13cyclictest2251918-21apt-get11:00:140
212152999221,15cyclictest2181828-21apt-get09:25:120
212152999213,5cyclictest13-21ksoftirqd/012:01:160
212152999213,10cyclictest2132016-21apt-get07:35:100
2121529992116,3cyclictest2152243-21sh08:25:000
2121529992113,6cyclictest2148116-21sshd08:12:560
2121529992112,7cyclictest2137735-21cron07:50:000
212152999205,3cyclictest141rcu_preempt09:55:150
212152999203,10cyclictest2222719-21apt-get10:20:140
2121529992013,5cyclictest2162363-21cstates08:50:130
2121529992012,6cyclictest2129846-21seq07:29:560
212152999201,17cyclictest2170266-21diskmemload09:37:210
212152999201,13cyclictest2165920-21apt-get09:00:070
2121529991911,6cyclictest2322823-21seq12:35:130
2121529991911,6cyclictest2154003-21seq08:28:040
2121529991910,7cyclictest2305211-21sensors_temp12:10:230
2121529991910,7cyclictest2197512-21needreboot09:45:190
2121529991910,7cyclictest2154558-21expr08:30:140
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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