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2025-05-24 - 10:58
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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 rack2slot0.osadl.org (updated Sat May 24, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142212930,0sleep20-21swapper/200:04:272
140112830,1sleep214014-21bash22:00:102
40662790,0sleep20-21swapper/222:17:362
278372730,1sleep09-21ksoftirqd/023:21:390
257572610,1sleep10-21swapper/119:35:211
59612580,0sleep30-21swapper/300:13:453
319542580,0sleep20-21swapper/223:31:102
22562570,0sleep20-21swapper/200:31:192
327642560,0sleep20-21swapper/221:19:262
171832560,0sleep00-21swapper/023:45:300
4772550,0sleep10-21swapper/123:12:511
289612550,0sleep20-21swapper/200:05:552
99032540,0sleep20-21swapper/221:47:332
248092540,1sleep125-21ksoftirqd/121:33:501
215082530,0sleep10-21swapper/122:00:501
305232520,1sleep20-21swapper/222:07:522
289952520,0sleep30-21swapper/321:15:543
192242520,0sleep0111rcuc/021:15:020
68072510,0sleep10-21swapper/123:35:061
50232500,0sleep00-21swapper/023:34:570
300382500,0sleep30-21swapper/322:44:533
242602500,1sleep124243-21sshd00:30:141
160642500,1sleep116065-21grep23:45:231
112142500,1sleep011199-21sshd23:41:500
159192490,0sleep30-21swapper/322:59:003
155862490,0sleep00-21swapper/022:43:260
101112490,1sleep30-21swapper/323:16:493
84042480,0sleep20-21swapper/200:10:322
38962480,0sleep30-21swapper/300:06:433
184622480,0sleep30-21swapper/300:22:093
182092480,0sleep10-21swapper/123:26:491
131222470,0sleep20-21swapper/221:35:402
87612430,0sleep30-21swapper/322:05:453
50332420,1sleep05030-21bash21:13:430
14292400,0sleep01430-21bash23:15:590
49572380,0sleep30-21swapper/321:40:573
318352350,0sleep20-21swapper/222:14:092
1337423422,7sleep30-21swapper/319:08:293
1324222311,7sleep10-21swapper/119:06:521
1320922210,7sleep20-21swapper/219:06:292
1170622210,7sleep00-21swapper/019:05:110
235112200,0sleep20-21swapper/221:42:452
50332170,2sleep21361299cyclictest23:07:112
225582170,0sleep00-21swapper/022:28:410
306152160,0sleep30-21swapper/300:27:193
298382160,0sleep2311rcuc/222:41:392
81512150,1sleep08146-21bash23:01:170
4932150,0sleep30-21swapper/322:45:103
42702150,0sleep00-21swapper/021:56:080
321612150,0sleep10-21swapper/100:23:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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