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2024-09-15 - 04:33
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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 Sun Sep 15, 2024 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2831221100,0sleep00-21swapper/022:15:400
44322970,2sleep33202499cyclictest00:36:093
297952890,0sleep00-21swapper/021:44:400
63392870,0sleep2646-21dbus-daemon22:42:102
132632750,0sleep0111rcuc/022:49:250
227382590,1sleep122735-21sshd21:10:161
190302580,0sleep10-21swapper/122:46:371
73882550,0sleep30-21swapper/323:52:193
54982550,0sleep1231rcuc/122:13:281
213242540,1sleep321320-21bash00:24:033
312432520,1sleep131238-21lspci21:50:461
23392520,0sleep00-21swapper/021:38:590
63682510,0sleep36370-21lspci21:17:593
204532500,0sleep10-21swapper/123:28:261
194752500,0sleep10-21swapper/122:08:251
119782500,1sleep311895-21sshd23:05:143
112872500,0sleep20-21swapper/221:48:582
145462490,0sleep3401ktimersoftd/322:04:423
3178324837,6sleep20-21swapper/219:08:262
317032480,0sleep00-21swapper/023:38:550
315012480,0sleep00-21swapper/022:35:100
186692480,0sleep318670-21sshd21:52:403
232272470,1sleep01-21systemd22:40:350
188972460,0sleep20-21swapper/223:12:212
147492410,1sleep33202499cyclictest22:52:443
233632390,0sleep30-21swapper/321:40:543
202682370,2sleep13201499cyclictest22:56:271
124182370,2sleep33202499cyclictest23:55:563
60352330,0sleep16036-21sshd23:39:361
317332309,7sleep10-21swapper/119:07:491
3178422210,7sleep30-21swapper/319:08:273
3169022210,7sleep00-21swapper/019:07:160
279532180,1sleep30-21swapper/323:00:203
21872180,1sleep22189-21bash22:16:192
99632170,3sleep23201899cyclictest00:05:412
197842170,0sleep20-21swapper/223:34:372
52812150,0sleep30-21swapper/300:25:393
270072150,0sleep10-21swapper/121:32:071
251072150,0sleep30-21swapper/321:28:563
32024991412,1cyclictest646-21dbus-daemon21:21:353
244162140,0sleep10-21swapper/122:15:171
3202499130,1cyclictest646-21dbus-daemon00:12:453
3202499130,12cyclictest0-21swapper/323:41:053
32018991311,1cyclictest648-21systemd-logind00:03:262
32018991311,1cyclictest648-21systemd-logind00:03:262
3201899130,12cyclictest12226-21bash22:33:172
3201499130,1cyclictest21143-21lspci21:40:411
3200799130,12cyclictest616-17auditd23:05:070
3200799130,12cyclictest17152-21bash00:20:180
3202499120,1cyclictest1095-21nfsd23:32:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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