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2025-07-15 - 11:10
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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 Tue Jul 15, 2025 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1122721000,0sleep111205-21sshd23:45:511
119992620,1sleep011992-21sshd22:46:380
7652610,1sleep1735-21sshd22:19:151
319782580,0sleep017600-21diskmemload22:32:120
141732570,1sleep114161-21sshd00:33:581
139682560,1sleep30-21swapper/321:16:283
278082550,1sleep017600-21diskmemload00:28:210
176902550,0sleep30-21swapper/323:33:243
154562550,0sleep30-21swapper/321:27:103
88982540,0sleep10-21swapper/121:15:541
12262540,0sleep30-21swapper/322:42:173
73402520,0sleep30-21swapper/322:59:363
295372520,1sleep329529-21sshd00:04:333
255122520,0sleep20-21swapper/219:10:162
141822510,0sleep20-21swapper/200:19:292
303492500,1sleep230348-21sshd23:28:112
303492500,1sleep230348-21sshd23:28:112
132662500,2sleep10-21swapper/122:53:321
244742490,0sleep324473-21bash23:53:593
2435424925,19sleep20-21swapper/219:06:322
162942490,0sleep20-21swapper/200:30:322
108982490,1sleep30-21swapper/320:55:133
317252480,0sleep00-21swapper/021:35:560
2459324823,21sleep10-21swapper/119:09:271
2443924826,18sleep00-21swapper/019:07:290
2435724724,19sleep30-21swapper/319:06:323
238352460,1sleep023823-21sshd21:55:110
253012450,1sleep317600-21diskmemload21:48:413
227492450,0sleep317600-21diskmemload21:31:263
113222450,0sleep30-21swapper/323:55:523
244062430,0sleep124396-21sshd00:35:101
201322430,0sleep00-21swapper/000:20:080
144012420,0sleep10-21swapper/119:55:001
51822300,1sleep15178-21bash21:36:331
2489999231,21cyclictest0-21swapper/322:12:373
2489899222,1cyclictest16550-21sshd00:06:252
94412210,1sleep39433-21sshd00:29:573
2489999211,1cyclictest24227-21sshd23:47:163
24898992119,1cyclictest0-21swapper/200:20:052
2489899210,20cyclictest0-21swapper/200:29:262
24896992117,3cyclictest16562-21sshd00:06:260
98872200,0sleep00-21swapper/020:50:260
24899992019,1cyclictest0-21swapper/323:02:063
2489799200,1cyclictest115950irq/25-eth023:28:121
2489799200,1cyclictest115950irq/25-eth023:28:111
24898991917,1cyclictest0-21swapper/223:59:022
24898991917,1cyclictest0-21swapper/223:49:262
24899991817,1cyclictest0-21swapper/322:17:273
24898991816,1cyclictest0-21swapper/221:44:272
2489699180,17cyclictest0-21swapper/020:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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