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2025-04-02 - 08:12
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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 Wed Apr 02, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2353021080,0sleep223495-21sshd00:27:122
204872990,0sleep220486-21id00:20:192
274772950,1sleep227468-21sshd21:30:522
46392900,1sleep3646-21dbus-daemon00:25:163
29672700,0sleep3391rcuc/322:26:493
227482670,0sleep00-21swapper/000:30:180
45482560,0sleep30-21swapper/300:31:413
293102540,1sleep3391rcuc/321:34:103
167342540,1sleep216686-21sshd22:09:452
222692530,0sleep00-21swapper/021:12:040
126862530,0sleep30-21swapper/322:49:203
296562520,0sleep00-21swapper/021:18:530
262032520,0sleep20-21swapper/223:33:492
210782520,1sleep1646-21dbus-daemon22:47:011
201192520,0sleep30-21swapper/300:37:103
304592510,1sleep10-21swapper/100:14:531
253572510,0sleep20-21swapper/200:14:222
10352510,1sleep11013-21sshd21:46:451
163212500,0sleep31-21systemd00:20:003
281702490,0sleep10-21swapper/122:13:531
216132490,0sleep00-21swapper/023:05:350
195352490,0sleep30-21swapper/322:59:133
190812480,1sleep019069-21sshd22:10:000
180272480,0sleep30-21swapper/323:11:273
97962470,0sleep2311rcuc/221:50:352
63442470,2sleep01892499cyclictest21:56:260
243732470,0sleep00-21swapper/023:27:300
55212460,0sleep00-21swapper/000:25:210
6752420,2sleep21892699cyclictest22:29:442
275232360,0sleep30-21swapper/323:58:253
112652350,0sleep30-21swapper/322:42:593
146872310,1sleep0684-21polkitd23:54:090
185582297,7sleep30-21swapper/319:06:483
186152287,7sleep10-21swapper/119:07:291
1880222210,7sleep00-21swapper/019:09:530
186112209,6sleep20-21swapper/219:07:262
156852200,1sleep115683-21sshd23:32:471
23542180,1sleep32352-21bash21:25:293
182582180,0sleep10-21swapper/100:00:311
327052170,1sleep332706-21bash23:34:263
270592170,1sleep20-21swapper/222:56:482
316582160,1sleep30-21swapper/321:40:233
286462160,1sleep028643-21lspci23:34:030
57482150,0sleep1231rcuc/123:19:351
52332150,0sleep00-21swapper/023:44:000
279042150,0sleep327903-21sshd21:24:503
99392140,0sleep00-21swapper/021:44:320
325912140,0sleep10-21swapper/121:43:371
318372140,0sleep3391rcuc/323:28:143
295802140,0sleep3401ktimersoftd/322:35:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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