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2025-11-29 - 16:59
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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 100 highest latencies:
System rackcslot4.osadl.org (updated Sat Nov 29, 2025 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38389122268184,29sleep00-21swapper/007:08:090
38388382239171,52sleep10-21swapper/107:07:211
383922899593,11cyclictest3963580-21apt-get10:50:141
383922899572,10cyclictest4033430-21apt-get12:25:171
383922899572,10cyclictest4033430-21apt-get12:25:161
38911682560,4sleep10-21swapper/109:14:121
40399992530,7sleep00-21swapper/012:33:130
125899530,4rtkit-daemon1257-21rtkit-daemon12:38:371
125899530,4rtkit-daemon1257-21rtkit-daemon07:44:171
125899530,12rtkit-daemon1257-21rtkit-daemon11:25:201
125899520,4rtkit-daemon1257-21rtkit-daemon09:16:571
39369082500,4sleep03839218-21cyclictest10:14:030
125899490,4rtkit-daemon1257-21rtkit-daemon07:29:571
125899480,3rtkit-daemon1257-21rtkit-daemon10:11:291
125899470,4rtkit-daemon1257-21rtkit-daemon07:39:251
125899470,3rtkit-daemon0-21swapper/111:20:340
383922899462,9cyclictest4019515-21apt-get12:05:161
125899450,4rtkit-daemon1257-21rtkit-daemon07:50:341
125899430,2rtkit-daemon1257-21rtkit-daemon10:25:161
383922899421,3cyclictest3986164-40apt-check11:20:201
125899420,4rtkit-daemon1257-21rtkit-daemon07:18:060
125899420,3rtkit-daemon0-21swapper/011:01:531
38549922410,1chrt3854988-21vmstat07:45:271
39065492400,5sleep00-21swapper/009:34:080
383922899401,2cyclictest26-21ksoftirqd/109:09:551
3839228994010,9cyclictest3956259-21apt-get10:40:161
383922499404,9cyclictest13-21ksoftirqd/009:50:250
125899400,3rtkit-daemon0-21swapper/011:06:570
125899380,4rtkit-daemon1257-21rtkit-daemon09:40:230
125899380,3rtkit-daemon0-21swapper/108:00:301
125899370,6rtkit-daemon3962582-21sh10:48:281
125899370,5rtkit-daemon4036029-21apt-get12:28:300
125899370,5rtkit-daemon4036029-21apt-get12:28:300
125899370,5rtkit-daemon3939471-21ssh10:16:191
125899370,4rtkit-daemon0-21swapper/008:55:191
125899370,3rtkit-daemon0-21swapper/011:02:560
383922499361,7cyclictest3937689-21apt-get10:15:150
383922899356,5cyclictest0-21swapper/109:51:091
383922899352,7cyclictest3873499-21apt-get08:35:041
383922899352,12cyclictest4004640-21apt-get11:45:151
383922899351,13cyclictest3903406-21/usr/sbin/munin09:30:281
383922499350,8cyclictest4020570-21/usr/sbin/munin12:05:270
125899350,4rtkit-daemon1257-21rtkit-daemon09:12:340
125899350,4rtkit-daemon1257-21rtkit-daemon08:57:400
125899350,3rtkit-daemon0-21swapper/112:13:581
125899350,3rtkit-daemon0-21swapper/110:59:221
125899350,3rtkit-daemon0-21swapper/108:47:551
125899350,3rtkit-daemon0-21swapper/108:15:421
125899350,3rtkit-daemon0-21swapper/009:26:521
383922899348,5cyclictest0-21swapper/110:08:401
383922899343,8cyclictest3982036-21apt-get11:15:151
383922899342,10cyclictest3896104-21apt-get09:20:121
383922899342,10cyclictest3839350-21apt-get07:10:131
125899340,4rtkit-daemon1257-21rtkit-daemon09:04:310
125899340,3rtkit-daemon0-21swapper/111:32:080
125899340,3rtkit-daemon0-21swapper/107:31:161
125899340,3rtkit-daemon0-21swapper/107:21:361
125899340,3rtkit-daemon0-21swapper/011:09:581
125899340,3rtkit-daemon0-21swapper/009:39:421
125899340,3rtkit-daemon0-21swapper/009:22:250
383922899336,5cyclictest0-21swapper/110:02:481
383922899335,5cyclictest0-21swapper/109:44:301
383922899332,14cyclictest3978329-21apt-get11:10:161
383922499333,6cyclictest3887603-21diskmemload10:46:080
3839224993327,4cyclictest4032063-21ssh12:22:210
383922499332,4cyclictest13-21ksoftirqd/010:30:010
3839224993321,3cyclictest13-21ksoftirqd/011:14:050
383922499331,9cyclictest3941732-21/usr/sbin/munin10:20:180
383922499330,7cyclictest4008397-21apt-get11:50:130
125899330,4rtkit-daemon1257-21rtkit-daemon12:02:271
125899330,4rtkit-daemon1257-21rtkit-daemon08:36:380
125899330,4rtkit-daemon0-21swapper/112:18:061
125899330,3rtkit-daemon0-21swapper/112:14:550
125899330,3rtkit-daemon0-21swapper/111:46:510
125899330,3rtkit-daemon0-21swapper/111:29:300
125899330,3rtkit-daemon0-21swapper/108:03:360
125899330,3rtkit-daemon0-21swapper/107:43:070
125899330,3rtkit-daemon0-21swapper/009:45:531
383922499320,9cyclictest13-21ksoftirqd/009:15:230
125899320,4rtkit-daemon1257-21rtkit-daemon09:07:360
125899320,4rtkit-daemon1257-21rtkit-daemon07:13:500
125899320,3rtkit-daemon1257-21rtkit-daemon11:38:311
125899320,3rtkit-daemon0-21swapper/112:39:260
125899320,3rtkit-daemon0-21swapper/107:47:400
125899320,3rtkit-daemon0-21swapper/107:39:330
383922899313,9cyclictest3869801-21apt-get08:25:151
383922899313,8cyclictest3863877-21apt-get08:10:171
383922899313,8cyclictest3863877-21apt-get08:10:161
383922499316,6cyclictest13-21ksoftirqd/010:55:000
383922499311,8cyclictest3878036-21apt-get08:45:130
383922499310,7cyclictest4001025-21apt-get11:40:150
125899310,3rtkit-daemon0-21swapper/108:44:130
125899310,3rtkit-daemon0-21swapper/107:23:570
125899310,3rtkit-daemon0-21swapper/010:36:441
125899310,3rtkit-daemon0-21swapper/010:21:081
125899310,3rtkit-daemon0-21swapper/008:52:061
125899310,25rtkit-daemon3839218-21cyclictest08:14:590
125899310,25rtkit-daemon3839218-21cyclictest08:14:590
383922499306,8cyclictest13-21ksoftirqd/009:25:240
383922499306,5cyclictest13-21ksoftirqd/010:43:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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