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2025-10-13 - 23:37
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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 rackaslot0.osadl.org (updated Mon Oct 13, 2025 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1441121020,1sleep00-21swapper/010:02:200
308762860,1sleep330845-21sshd11:35:133
20452800,0sleep02040-21cp12:37:240
289342700,0sleep11594-21diskmemload12:25:141
861926226,32sleep20-21swapper/207:09:442
261902610,1sleep18-21rcu_preempt09:33:211
173052600,1sleep217303-21sshd10:35:192
298472590,1sleep029841-21sshd11:01:370
58152580,1sleep25800-21sshd11:02:312
172632550,1sleep30-21swapper/311:23:313
650025326,8sleep30-21swapper/307:05:033
4682530,1sleep3462-21sshd12:28:463
223422530,0sleep022330-21sshd09:53:150
11172530,0sleep1201ktimersoftd/112:16:171
11172530,0sleep1201ktimersoftd/112:16:171
229862520,1sleep00-21swapper/009:15:570
179612520,0sleep20-21swapper/211:10:162
321922510,1sleep232188-21bash11:51:142
313942510,0sleep30-21swapper/311:42:023
203332510,0sleep30-21swapper/310:06:003
171662510,0sleep00-21swapper/011:16:560
832125027,19sleep10-21swapper/107:05:581
830525027,19sleep00-21swapper/007:05:440
323612500,1sleep232358-21bash10:07:192
84032490,0sleep30-21swapper/311:58:083
156292490,1sleep315550-21sshd09:25:253
83572480,1sleep38348-21sshd09:34:593
155992480,0sleep30-21swapper/309:59:113
143042480,0sleep10-21swapper/112:20:261
251742470,0sleep125170-21bash12:36:361
309502460,1sleep130949-21nfsd409:40:221
228412450,0sleep30-21swapper/310:57:233
160292450,1sleep31594-21diskmemload10:49:303
120142450,0sleep30-21swapper/310:18:133
283682440,0sleep30-21swapper/309:50:173
283352360,1sleep21594-21diskmemload11:24:462
32182330,0sleep33220-21sshd11:25:233
106612310,1sleep310665-21bash12:38:073
209512290,0sleep020953-21sshd12:30:310
296312260,0sleep329630-21sshd10:10:203
890199200,19cyclictest0-21swapper/209:39:222
890199200,19cyclictest0-21swapper/209:39:212
8899992018,1cyclictest2123-21sshd10:33:400
8899992017,2cyclictest20780-21bash12:15:110
8899992017,2cyclictest20780-21bash12:15:110
890299198,4cyclictest0-21swapper/311:09:453
890299195,7cyclictest9515-21sshd09:14:433
889999190,1cyclictest22057-21sshd10:25:370
236972190,0sleep20-21swapper/211:56:312
890299184,13cyclictest8919-21sshd09:44:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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