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2023-12-03 - 01:34
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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 100 highest latencies:
System rack0slot0.osadl.org (updated Sun Dec 03, 2023 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
830221870,4sleep12329399cyclictest00:16:381
2385621740,2sleep52331999cyclictest23:54:395
2385621740,2sleep52331999cyclictest23:54:395
523621680,3sleep62332799cyclictest23:02:366
1629221620,3sleep62332799cyclictest23:54:246
1629221620,3sleep62332799cyclictest23:54:236
3076321540,1sleep12329399cyclictest23:51:381
3076321540,1sleep12329399cyclictest23:51:371
1619221470,1sleep31110-21nfsd00:29:483
186421440,0sleep02328899cyclictest23:45:200
186421440,0sleep02328899cyclictest23:45:190
2065521420,1sleep520653-21sshd23:23:285
58121410,1sleep40-21swapper/422:24:024
2674421360,1sleep726741-21sshd21:25:147
2463321340,4sleep72333499cyclictest00:06:277
1729221340,0sleep00-21swapper/021:38:470
93721310,0sleep00-21swapper/000:01:230
606521300,1sleep06061-21bash23:22:590
2536221250,0sleep70-21swapper/723:52:327
2536221250,0sleep70-21swapper/723:52:317
551121230,1sleep45502-21sshd00:22:594
1203821230,1sleep712033-21sshd22:09:317
2692221190,1sleep126916-21sshd21:41:121
1736021190,1sleep629402-21sshd23:39:246
2633621150,0sleep10-21swapper/100:10:461
583521140,12sleep313450irq/24-ahci[00000:03:423
311421110,0sleep30-21swapper/300:33:413
212321110,2sleep10-21swapper/100:33:391
2135821100,1sleep60-21swapper/622:55:406
880521070,1sleep38798-21sshd21:21:253
2691021050,0sleep20-21swapper/200:33:242
2350021050,1sleep023493-21sshd00:18:150
2621721040,2sleep22330199cyclictest00:12:562
2645721030,1sleep081ktimersoftd/023:55:460
1133221030,0sleep70-21swapper/700:22:067
1859521010,1sleep7464-21systemd-journal23:36:127
56312990,0sleep00-21swapper/000:33:460
245862980,2sleep224589-21bash00:23:382
211702960,0sleep60-21swapper/623:23:296
178552960,1sleep50-21swapper/521:57:585
295202950,1sleep029512-21sshd22:51:410
295202950,1sleep029512-21sshd22:51:400
284942950,1sleep2666-21dbus-daemon00:28:022
137532950,1sleep7666-21dbus-daemon23:28:357
7432940,1sleep40-21swapper/423:35:384
288592930,1sleep124-21ksoftirqd/100:25:521
264042920,1sleep426397-21bash22:04:394
211062920,1sleep021016-21sshd22:41:470
178462920,1sleep30-21swapper/322:36:203
293502910,0sleep30-21swapper/300:22:433
236232910,0sleep30-21swapper/300:37:333
160002900,1sleep52331999cyclictest00:39:285
143232900,1sleep70-21swapper/721:49:197
143232900,1sleep70-21swapper/721:49:197
276502890,0sleep00-21swapper/000:23:440
257782890,1sleep525767-21sshd00:19:245
181992890,1sleep00-21swapper/022:55:340
64182880,1sleep06393-21sshd23:37:570
316902880,0sleep10-21swapper/123:42:001
150312880,0sleep40-21swapper/400:06:084
83952870,0sleep60-21swapper/623:08:066
51032870,1sleep25090-21sshd21:35:112
44632870,1sleep081ktimersoftd/021:33:010
324562870,1sleep5591ktimersoftd/521:11:345
252302870,1sleep70-21swapper/723:06:317
230082870,1sleep3666-21dbus-daemon23:08:343
103482870,3sleep42331399cyclictest00:03:524
38382860,1sleep73840-21grepconf.sh00:03:387
241982850,4sleep42331399cyclictest23:28:564
303732840,0sleep20-21swapper/223:15:162
149722840,2sleep30-21swapper/322:11:433
87562830,1sleep1221rcuc/122:04:051
197162830,1sleep1231ktimersoftd/100:20:161
59242820,1sleep6671rcuc/621:47:586
59242820,1sleep6671rcuc/621:47:576
19012820,0sleep40-21swapper/421:26:324
47362810,0sleep50-21swapper/523:38:595
294752810,5sleep72333499cyclictest23:30:127
276292810,0sleep20-21swapper/223:21:322
27592800,0sleep60-21swapper/622:39:046
231752800,1sleep323129-21sshd22:58:563
204832800,1sleep320475-21sshd21:48:273
204832800,1sleep320475-21sshd21:48:263
188282800,0sleep5591ktimersoftd/522:36:225
168942800,1sleep616855-21sshd21:11:026
43182790,1sleep1221rcuc/121:54:191
43182790,1sleep1221rcuc/121:54:181
75042780,1sleep17503-21sshd22:32:491
242362780,1sleep424160-21sshd00:32:134
173242780,1sleep4491rcuc/421:46:124
173242780,1sleep4491rcuc/421:46:114
311402770,0sleep70-21swapper/721:56:177
110722770,0sleep00-21swapper/022:32:560
107062770,0sleep70-21swapper/721:24:427
79812760,1sleep70-21swapper/722:00:497
77752760,1sleep40-21swapper/423:12:214
299392760,0sleep70-21swapper/723:10:557
271262760,0sleep30-21swapper/323:00:103
255852760,0sleep00-21swapper/023:14:010
173472760,0sleep70-21swapper/722:18:127
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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