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2025-07-14 - 21:19
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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 rack3slot0.osadl.org (updated Mon Jul 14, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84652930,2sleep53218099cyclictest11:14:045
32175999391,1cyclictest28105-21nfsd11:40:124
33762700,2sleep23216599cyclictest10:45:182
275242520,0sleep60-21swapper/611:39:286
75562500,0sleep10-21swapper/110:52:141
3189725026,8sleep70-21swapper/706:57:497
3189725026,8sleep70-21swapper/706:57:497
3165625025,9sleep20-21swapper/206:54:322
3165625025,9sleep20-21swapper/206:54:322
291032500,0sleep40-21swapper/409:34:004
153142500,0sleep10-21swapper/112:16:551
306622490,0sleep70-21swapper/709:49:177
128752490,0sleep40-21swapper/410:39:274
285042480,0sleep20-21swapper/210:07:142
3166924725,8sleep30-21swapper/306:54:413
3166924725,8sleep30-21swapper/306:54:413
177512470,0sleep70-21swapper/712:25:107
143452440,2sleep33217199cyclictest12:22:183
297802430,1sleep729781-21grepconf.sh10:34:507
261492430,1sleep585450irq/26-em1-tx-010:07:015
11782430,1sleep61179-21bash10:29:046
25382420,0sleep30-21swapper/311:48:463
24252420,2sleep23216599cyclictest12:13:122
198512420,1sleep419852-21sshd12:11:544
193082420,0sleep40-21swapper/409:04:374
137452420,0sleep40-21swapper/411:52:234
301802410,0sleep40-21swapper/409:37:044
277522410,0sleep70-21swapper/711:39:297
118692410,0sleep10-21swapper/111:57:411
3242400,0sleep60-21swapper/612:26:296
3180724028,8sleep60-21swapper/606:56:366
3180724028,8sleep60-21swapper/606:56:366
3178724028,9sleep40-21swapper/406:56:184
3178724028,9sleep40-21swapper/406:56:184
3172624028,9sleep10-21swapper/106:55:271
3172624028,9sleep10-21swapper/106:55:271
300852400,0sleep30-21swapper/311:39:413
126682400,0sleep00-21swapper/009:59:350
3180123927,9sleep00-21swapper/006:56:300
3180123927,9sleep00-21swapper/006:56:300
221472390,0sleep70-21swapper/710:28:017
221002390,0sleep70-21swapper/709:01:277
110452390,0sleep60-21swapper/612:19:166
3173023826,8sleep50-21swapper/506:55:315
3173023826,8sleep50-21swapper/506:55:315
176512380,0sleep30-21swapper/309:32:473
293982350,0sleep20-21swapper/212:23:372
239472320,2sleep63218799cyclictest09:24:256
32187991915,1cyclictest65-21ksoftirqd/610:19:216
40102180,0sleep60-21swapper/611:16:456
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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