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2025-06-17 - 02:03
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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 rack3slot0.osadl.org (updated Tue Jun 17, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
245522920,0sleep60-21swapper/622:55:526
244932840,2sleep32566799cyclictest23:34:093
103492750,0sleep40-21swapper/421:23:154
296322500,0sleep50-21swapper/519:05:195
21842500,1sleep72179-21sshd21:45:057
2547824925,8sleep00-21swapper/019:00:030
2545224925,9sleep30-21swapper/318:59:423
2538124924,9sleep10-21swapper/118:58:441
176072490,1sleep117584-21bash23:00:431
150322490,0sleep50-21swapper/523:57:585
76652480,1sleep17663-21systemd-cgroups21:14:551
149772480,0sleep10-21swapper/100:19:481
2333324523,8sleep40-21swapper/418:55:184
39702440,0sleep4481ktimersoftd/400:11:584
251102440,0sleep70-21swapper/700:14:097
149922440,0sleep40-21swapper/422:05:364
316682430,0sleep50-21swapper/522:12:425
262342430,0sleep10-21swapper/121:44:191
292292420,0sleep60-21swapper/623:39:576
178922420,1sleep217853-21sshd00:23:182
119852420,3sleep72569799cyclictest00:06:337
57152410,0sleep45716-21gltestperf23:05:194
57152410,0sleep45716-21gltestperf23:05:194
265822410,0sleep40-21swapper/421:08:264
196532410,0sleep20-21swapper/221:07:512
230752400,0sleep60-21swapper/622:36:376
2527523926,9sleep60-21swapper/618:57:206
2514623927,8sleep70-21swapper/718:55:377
2514423926,9sleep50-21swapper/518:55:355
2528223827,8sleep20-21swapper/218:57:242
230812370,0sleep40-21swapper/400:07:344
299002360,0sleep50-21swapper/523:47:575
35622220,0sleep2311rcuc/221:20:012
2569799220,17cyclictest668-21systemd-logind00:21:557
2566799210,9cyclictest21408-21sshd23:47:113
2566799210,7cyclictest19878-21sshd23:22:543
2566799210,6cyclictest758-21sshd23:05:533
2566799210,6cyclictest758-21sshd23:05:533
2566799210,6cyclictest30674-21sshd00:05:203
2566799210,10cyclictest0-21swapper/321:36:023
2565999210,6cyclictest1425-21sshd00:05:342
2568199203,11cyclictest0-21swapper/523:44:095
2566799200,9cyclictest9430-21grepconf.sh00:25:303
2566799200,9cyclictest24912-21sshd23:44:553
2566799200,8cyclictest1-21systemd21:53:483
2566799200,7cyclictest4577-21sed21:25:283
2566799200,5cyclictest0-21swapper/322:50:203
2565999200,7cyclictest16998-21grep23:09:022
2565999200,7cyclictest16998-21grep23:09:022
2565999200,6cyclictest6486-21sshd22:59:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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