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2026-06-23 - 14:16
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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 rack5slot0.osadl.org (updated Tue Jun 23, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
580221260,3sleep2888499cyclictest11:29:422
3007321180,3sleep2888499cyclictest12:35:262
8443210232,41sleep30-21swapper/307:07:553
194532910,2sleep10-21swapper/109:12:081
84402900,3sleep20-21swapper/212:22:292
146062870,1sleep041ktimersoftd/011:57:330
17282860,1sleep10-21swapper/112:29:001
17282860,1sleep10-21swapper/112:29:001
862428533,48sleep10-21swapper/107:09:581
205952850,1sleep020594-21sshd10:32:210
205952850,1sleep020594-21sshd10:32:210
3512840,2sleep1343-21sshd10:48:331
294242820,3sleep20-21swapper/211:40:162
233462810,1sleep20-21swapper/210:40:082
157222810,1sleep30-21swapper/311:46:223
130142810,2sleep20-21swapper/209:30:012
266652800,1sleep026654-21sshd11:02:230
242662790,3sleep20-21swapper/209:16:052
8042780,2sleep30-21swapper/310:55:573
36852780,1sleep20-21swapper/210:27:062
56872760,4sleep1888399cyclictest11:37:431
265082760,1sleep30-21swapper/311:40:013
224552730,4sleep1888399cyclictest09:49:141
217082720,1sleep221705-21id09:23:272
198292690,3sleep2888499cyclictest11:35:272
181132690,1sleep10-21swapper/111:30:571
177982690,4sleep3888599cyclictest09:37:473
57852670,1sleep20-21swapper/210:38:002
136852670,2sleep213686-21sshd09:51:402
184592650,0sleep118457-21sshd12:30:401
851626034,9sleep20-21swapper/207:08:422
841125731,4sleep00-21swapper/007:07:330
56462480,46sleep128950irq/26-ahci[00009:54:211
40212350,4sleep20-21swapper/211:18:312
318112330,1sleep30-21swapper/312:35:393
289612310,2sleep20-21swapper/212:28:252
289612310,2sleep20-21swapper/212:28:252
244542290,27sleep1144650irq/27-eth010:36:251
78102280,2sleep30-21swapper/309:54:333
50782280,3sleep2888499cyclictest11:56:232
325282280,26sleep3144650irq/27-eth011:59:383
9032270,3sleep2890-21sshd11:14:272
129752270,2sleep10-21swapper/110:42:401
319512260,4sleep30-21swapper/309:10:053
188022260,2sleep118800-21sshd09:59:201
118952260,2sleep311894-21bash12:15:313
57222250,1sleep010-21rcuc/010:45:190
326862250,23sleep1144650irq/27-eth010:04:541
59722240,2sleep30-21swapper/311:03:433
207472240,4sleep3888599cyclictest11:50:263
888599230,3cyclictest144650irq/27-eth011:18:273
52022220,0sleep25194-21sshd12:32:502
8884992116,4cyclictest7847-21sshd11:03:542
8882992111,6cyclictest30115-21sshd12:17:480
888299210,2cyclictest8153-21sshd09:18:110
888299210,1cyclictest32553-21bash10:26:440
26612210,2sleep12658-21sshd11:22:161
188422210,2sleep20-21swapper/210:50:472
888299200,8cyclictest0-21swapper/009:14:450
888299200,2cyclictest9352-21bash11:53:010
888299200,2cyclictest13935-21bash09:22:360
888299200,2cyclictest0-21swapper/010:59:320
888299200,17cyclictest0-21swapper/011:42:010
888299200,17cyclictest0-21swapper/009:35:160
227742200,18sleep3144650irq/27-eth010:32:373
227742200,18sleep3144650irq/27-eth010:32:373
191082200,18sleep3144650irq/27-eth009:48:533
131762200,1sleep013171-21sshd11:46:030
888299190,1cyclictest0-21swapper/010:09:420
888299190,16cyclictest0-21swapper/011:35:530
888299190,16cyclictest0-21swapper/011:07:030
888299190,15cyclictest0-21swapper/012:38:380
319352190,0sleep041ktimersoftd/010:23:160
319352190,0sleep041ktimersoftd/010:23:150
278252190,2sleep20-21swapper/209:31:362
266972190,17sleep3144650irq/27-eth012:09:393
8885991815,2cyclictest23912-21bash09:23:413
8885991812,5cyclictest21213-21nscd10:28:063
8883991814,3cyclictest30114-21sshd11:28:481
888299181,1cyclictest0-21swapper/009:43:220
888299180,3cyclictest25243-21sshd11:13:330
888299180,14cyclictest14143-21diskstats09:55:130
888299180,14cyclictest0-21swapper/012:31:420
888299180,14cyclictest0-21swapper/010:41:190
888299180,14cyclictest0-21swapper/009:47:120
888299180,13cyclictest1444-21id10:19:380
888599172,3cyclictest8381-21sshd11:11:333
8885991711,5cyclictest11596-21sshd10:53:443
888599170,12cyclictest20372-21tune2fs12:20:163
888599170,12cyclictest13461-21sshd11:38:363
888499171,8cyclictest21933-21sshd12:05:222
888399178,3cyclictest28822-21bash12:02:381
8883991712,4cyclictest0-21swapper/111:17:391
888399170,15cyclictest0-21swapper/109:22:451
888399170,12cyclictest12961-21bash10:50:131
888299170,2cyclictest0-21swapper/009:50:110
888299170,14cyclictest32045-21bash11:25:260
47612170,15sleep1144650irq/27-eth009:25:071
30662170,15sleep1144650irq/27-eth010:19:531
230922170,1sleep30-21swapper/309:31:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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