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2025-08-28 - 22:20
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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 Thu Aug 28, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48542920,0sleep00-21swapper/009:57:460
317232780,0sleep20-21swapper/209:33:502
52372760,0sleep00-21swapper/009:27:430
44772730,0sleep00-21swapper/009:41:000
325502710,0sleep00-21swapper/012:33:540
224652580,0sleep125-21ksoftirqd/112:04:201
46262570,0sleep00-21swapper/012:05:300
309792560,0sleep20-21swapper/211:30:252
199472560,0sleep00-21swapper/011:32:260
195742560,0sleep20-21swapper/212:38:302
250242530,0sleep20-21swapper/212:15:582
202732530,1sleep320276-21bash10:26:093
98272510,0sleep10-21swapper/112:29:041
308712510,0sleep030870-21sshd10:27:190
264312510,0sleep00-21swapper/008:50:170
213682510,0sleep20-21swapper/209:39:262
163712500,0sleep20-21swapper/211:19:062
99312490,0sleep20-21swapper/211:11:422
234492490,0sleep11-21systemd12:15:501
196942490,0sleep30-21swapper/310:46:203
196942490,0sleep30-21swapper/310:46:193
129982490,0sleep00-21swapper/011:57:410
111142490,0sleep20-21swapper/210:58:412
111142490,0sleep20-21swapper/210:58:412
202132480,0sleep20-21swapper/209:29:202
160912480,0sleep20-21swapper/210:22:192
250342470,0sleep30-21swapper/311:06:433
157112450,1sleep11-21systemd11:49:221
88322430,1sleep0648-21systemd-logind11:54:300
123822430,0sleep30-21swapper/312:23:333
158522297,7sleep30-21swapper/307:07:043
138712280,10sleep375550irq/24-eno1-rx-10:08:503
1608022722,3sleep20-21swapper/207:09:552
158302276,7sleep10-21swapper/107:06:461
120142230,1sleep012008-21bash12:03:230
172752210,0sleep20-21swapper/210:29:172
157192208,7sleep00-21swapper/007:05:250
15472190,0sleep00-21swapper/010:51:060
305782180,1sleep3391rcuc/310:30:333
122332180,0sleep20-21swapper/212:09:092
214102160,0sleep00-21swapper/009:52:540
192532160,0sleep00-21swapper/009:32:300
184932160,0sleep00-21swapper/010:39:350
16200991615,0cyclictest8610-21lspci11:21:452
140152160,0sleep10-21swapper/111:05:331
285472150,1sleep11011-21sshd10:07:001
195742150,0sleep10-21swapper/109:52:431
1620399150,14cyclictest0-21swapper/309:53:513
16200991514,0cyclictest6641-21lspci10:14:442
16200991514,0cyclictest28333-21lspci09:50:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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