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2026-05-17 - 18:31
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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 50 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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