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2025-01-14 - 06:21
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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 Tue Jan 14, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2730921020,1sleep2646-21dbus-daemon23:30:582
200262940,2sleep1909399cyclictest21:19:121
250702810,0sleep00-21swapper/023:52:500
79972780,1sleep17994-21lspci21:59:291
262992730,0sleep00-21swapper/000:18:420
279762530,0sleep00-21swapper/022:07:530
287112520,0sleep20-21swapper/221:29:422
193252520,0sleep119328-21unixbench_singl19:30:251
161282520,0sleep30-21swapper/323:55:113
118242520,0sleep20-21swapper/223:19:532
55022510,2sleep1909399cyclictest22:18:271
52052510,0sleep00-21swapper/021:27:190
293112510,1sleep00-21swapper/022:14:260
268932510,0sleep20-21swapper/222:04:302
204522510,0sleep20-21swapper/223:08:032
150812510,0sleep30-21swapper/321:12:163
225432500,0sleep222451-21sshd21:38:352
168672500,0sleep30-21swapper/323:52:023
105582500,0sleep210556-21lspci22:44:362
10382500,1sleep21094-21nfsd22:14:522
27822490,0sleep30-21swapper/323:28:393
20002490,0sleep22001-21sshd23:50:322
178232490,0sleep10-21swapper/122:42:031
158392490,0sleep115830-21bash21:47:321
326682480,0sleep10-21swapper/122:27:371
317872480,0sleep2311rcuc/223:56:382
312332480,0sleep30-21swapper/322:04:553
100142480,0sleep30-21swapper/322:12:283
47082470,0sleep00-21swapper/021:43:100
167142440,1sleep3670-21packagekitd23:07:403
187922380,1sleep018795-21bash23:36:290
29352350,0sleep00-21swapper/022:27:510
892523210,7sleep00-21swapper/019:09:190
87452319,7sleep20-21swapper/219:07:042
883522614,7sleep30-21swapper/319:08:133
215702260,2sleep3910099cyclictest00:18:143
873422410,9sleep10-21swapper/119:06:561
9093991817,0cyclictest19578-21lspci22:03:441
88272180,0sleep30-21swapper/323:00:193
248932180,0sleep20-21swapper/222:23:342
248932180,0sleep20-21swapper/222:23:332
110392170,1sleep3391rcuc/322:35:043
294142160,0sleep30-21swapper/321:42:253
9093991514,0cyclictest15313-21lspci00:14:161
300152150,0sleep30-21swapper/321:48:573
181422150,0sleep10-21swapper/123:17:201
152972150,0sleep00-21swapper/023:23:230
909499140,1cyclictest692-21NetworkManager22:56:122
9093991413,0cyclictest32051-21lspci23:21:501
9093991413,0cyclictest18298-21lspci21:25:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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