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2026-03-07 - 00:41
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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 rack5slot0.osadl.org (updated Fri Mar 06, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2365721240,3sleep2410899cyclictest09:27:032
2583221220,0sleep025833-21sshd09:34:100
3780210334,40sleep30-21swapper/307:08:593
297262890,2sleep30-21swapper/309:56:173
98222880,3sleep20-21swapper/210:53:552
355028834,50sleep10-21swapper/107:06:151
185132880,1sleep018507-21sshd10:33:000
86012850,1sleep30-21swapper/312:02:243
150702850,4sleep1410299cyclictest12:25:031
82912840,3sleep20-21swapper/211:18:192
60692840,1sleep00-21swapper/011:25:580
385328231,11sleep20-21swapper/207:09:532
154712810,2sleep20-21swapper/207:35:002
107132810,1sleep12024-21nfsd11:59:021
107132810,1sleep12024-21nfsd11:59:021
70972790,2sleep20-21swapper/207:15:142
262682780,2sleep126266-21bash11:02:481
24772780,1sleep10-21swapper/110:45:251
158392770,3sleep30-21swapper/312:17:433
147162760,6sleep0409899cyclictest10:29:130
146352760,1sleep014632-21sshd11:19:020
99202730,1sleep20-21swapper/211:26:332
65952730,0sleep00-21swapper/012:39:240
194832730,0sleep00-21swapper/011:41:530
72522720,2sleep30-21swapper/311:21:533
206112720,3sleep1410299cyclictest10:26:161
93532690,1sleep3411499cyclictest12:05:533
301852690,1sleep230184-21bash12:38:262
272882690,4sleep2410899cyclictest11:24:412
237082670,1sleep323711-21sshd10:23:153
100152670,0sleep010016-21id09:39:510
23142590,2sleep12313-21bash10:56:471
365325732,13sleep00-21swapper/007:07:350
14682480,1sleep041ktimersoftd/009:42:230
125382470,2sleep312533-21iostat11:15:163
225462420,3sleep022541-21bash11:05:510
326862340,0sleep332687-21bash11:25:183
5192300,2sleep20-21swapper/209:42:172
310532290,5sleep0409899cyclictest10:17:070
7902280,2sleep10-21swapper/112:31:121
78252280,3sleep20-21swapper/212:24:112
102232280,2sleep30-21swapper/309:11:373
287722270,3sleep2410899cyclictest09:20:172
86382260,2sleep30-21swapper/309:28:563
185552260,2sleep118557-21bash12:00:021
35282250,2sleep23527-21sshd10:49:062
99432240,2sleep30-21swapper/311:33:593
278932241,21sleep328950irq/26-ahci[00011:46:183
300932230,2sleep330092-21bash09:41:583
130082230,4sleep1410299cyclictest10:54:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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