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2025-11-19 - 02:53
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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 Tue Nov 18, 2025 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22216892280219,47sleep10-21swapper/107:06:081
22219842270187,29sleep00-21swapper/007:09:170
125899610,4rtkit-daemon1257-21rtkit-daemon10:57:340
125899600,3rtkit-daemon0-21swapper/111:25:041
23818362570,4sleep12381839-21cpuspeed_turbos11:35:151
125899570,4rtkit-daemon1257-21rtkit-daemon07:50:521
125899550,3rtkit-daemon0-21swapper/112:02:181
22775942540,4sleep00-21swapper/009:19:030
22294812530,5sleep10-21swapper/107:25:221
125899530,4rtkit-daemon1257-21rtkit-daemon08:42:451
125899520,4rtkit-daemon1257-21rtkit-daemon10:33:001
23547652500,7sleep10-21swapper/110:59:131
125899490,3rtkit-daemon0-21swapper/110:20:431
125899480,4rtkit-daemon1257-21rtkit-daemon11:46:021
125899480,3rtkit-daemon0-21swapper/108:11:111
125899480,10rtkit-daemon0-21swapper/107:49:581
125899470,3rtkit-daemon0-21swapper/111:50:411
125899450,3rtkit-daemon0-21swapper/107:42:041
125899450,3rtkit-daemon0-21swapper/010:48:011
125899440,3rtkit-daemon0-21swapper/110:51:231
125899430,3rtkit-daemon0-21swapper/109:58:431
125899420,4rtkit-daemon1257-21rtkit-daemon09:39:361
125899420,4rtkit-daemon1257-21rtkit-daemon08:46:271
125899410,3rtkit-daemon0-21swapper/007:12:441
125899400,4rtkit-daemon1257-21rtkit-daemon10:00:411
125899400,3rtkit-daemon0-21swapper/011:11:211
125899380,3rtkit-daemon0-21swapper/112:06:231
125899380,3rtkit-daemon0-21swapper/112:06:221
125899380,3rtkit-daemon0-21swapper/009:04:471
125899370,3rtkit-daemon0-21swapper/112:10:090
125899370,3rtkit-daemon0-21swapper/107:50:460
125899370,3rtkit-daemon0-21swapper/007:24:050
125899360,4rtkit-daemon1257-21rtkit-daemon11:03:070
125899360,4rtkit-daemon1257-21rtkit-daemon09:29:320
125899360,3rtkit-daemon0-21swapper/009:03:350
125899350,5rtkit-daemon2428658-21ssh12:37:540
125899350,3rtkit-daemon0-21swapper/111:56:570
2222194993427,5cyclictest2343948-21cat10:45:000
125899340,6rtkit-daemon2324538-21sh10:19:380
125899340,5rtkit-daemon885374-21snapd12:22:431
125899340,3rtkit-daemon0-21swapper/108:45:370
125899340,3rtkit-daemon0-21swapper/011:17:510
2222197993312,11cyclictest26-21ksoftirqd/109:11:551
125899330,1rtkit-daemon1257-21rtkit-daemon11:43:061
2222194993228,3cyclictest2252284-21kworker/0:108:29:550
125899320,3rtkit-daemon0-21swapper/112:01:510
125899320,3rtkit-daemon0-21swapper/107:43:540
222219799308,10cyclictest26-21ksoftirqd/108:25:411
125899300,4rtkit-daemon1257-21rtkit-daemon12:27:440
222219799290,6cyclictest2329354-21df_inode10:25:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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