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2025-04-02 - 08:18
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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 rackaslot0.osadl.org (updated Wed Apr 02, 2025 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311332870,0sleep031135-21id23:59:010
118282870,1sleep311810-21sshd00:09:213
295782850,0sleep20-21swapper/223:47:372
157562640,2sleep3381ktimersoftd/322:04:313
133072640,1sleep313306-21bash21:19:193
1277126124,19sleep10-21swapper/119:08:311
122722610,1sleep20-21swapper/200:24:382
226082580,6sleep339-21ksoftirqd/321:20:083
216222580,0sleep20-21swapper/222:19:082
1053225723,19sleep00-21swapper/019:05:010
241092560,0sleep02174-21diskmemload23:41:220
213742540,3sleep228-21rcuc/221:11:342
89142530,1sleep20-21swapper/200:15:092
59652520,0sleep20-21swapper/223:39:522
43532510,0sleep00-21swapper/023:20:030
28232500,0sleep10-21swapper/123:22:401
279912500,0sleep10-21swapper/122:53:361
157932500,0sleep00-21swapper/000:18:520
136852500,1sleep113684-21sshd21:55:511
88142490,0sleep20-21swapper/222:03:542
102812490,0sleep22174-21diskmemload00:37:202
55462480,1sleep31744-21runrttasks00:11:463
235192480,0sleep00-21swapper/000:07:220
211632480,0sleep121151-21sshd21:17:101
1273624826,18sleep30-21swapper/319:08:043
69572470,0sleep30-21swapper/323:25:553
61362470,0sleep10-21swapper/122:46:031
241782470,0sleep20-21swapper/223:33:032
1269324725,18sleep20-21swapper/219:07:312
33732450,0sleep23374-21sshd21:52:122
33732450,0sleep23374-21sshd21:52:122
160602440,1sleep316059-21bash22:07:233
140572440,0sleep10-21swapper/100:00:181
118712410,0sleep30-21swapper/323:09:243
233592370,0sleep00-21swapper/021:25:500
233592370,0sleep00-21swapper/021:25:490
13137992220,1cyclictest0-21swapper/322:27:193
1313499221,2cyclictest9082-21sshd21:18:582
13137992119,1cyclictest0-21swapper/323:11:373
13134992120,1cyclictest0-21swapper/223:55:492
13137992019,1cyclictest0-21swapper/323:59:433
13130992019,1cyclictest1199-21sshd23:47:581
13125992019,1cyclictest8913-21sshd21:52:410
13125992019,1cyclictest8913-21sshd21:52:410
13125991917,1cyclictest32764-21sshd23:30:570
187712180,0sleep30-21swapper/322:21:373
169742180,1sleep018861-21kworker/0:222:07:280
156372180,0sleep228-21rcuc/221:58:532
13125991816,1cyclictest22375-21sshd23:38:270
52462160,1sleep35242-21bash00:17:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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