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2025-11-26 - 07:25
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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 rack5slot0.osadl.org (updated Wed Nov 26, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3272421800,3sleep13031199cyclictest22:33:401
2190421620,0sleep03-21ksoftirqd/022:45:130
3071121480,5sleep13031199cyclictest22:04:451
1084521440,1sleep010839-21sshd22:40:560
1614121420,1sleep016134-21sshd23:48:380
2498621400,1sleep20-21swapper/221:51:242
3276421360,4sleep33031399cyclictest22:11:133
1808821340,0sleep00-21swapper/022:09:530
1819521300,1sleep20-21swapper/222:41:432
1839421270,1sleep318392-21bash22:44:563
2917721200,3sleep03031099cyclictest23:33:550
2534121190,1sleep10-21swapper/121:35:281
2538721030,3sleep03031099cyclictest00:39:040
182352990,1sleep30-21swapper/322:57:273
2800829533,49sleep30-21swapper/319:05:083
115812940,1sleep00-21swapper/022:12:230
87032930,2sleep20-21swapper/200:23:312
315402910,1sleep30-21swapper/323:34:103
289362910,3sleep228937-21sshd00:32:372
290342900,2sleep10-21swapper/123:27:271
289152900,3sleep03031099cyclictest22:55:190
184212900,1sleep10-21swapper/100:20:571
252482890,4sleep13031199cyclictest21:57:531
77212870,2sleep37710-21sshd21:11:503
70372870,0sleep07032-21sshd22:27:580
7872860,1sleep10-21swapper/100:39:571
290332860,2sleep00-21swapper/022:52:110
290332860,2sleep00-21swapper/022:52:110
68302850,2sleep26827-21sshd22:15:092
20002840,2sleep20-21swapper/223:21:352
217002830,2sleep321699-21sshd23:10:413
85662820,3sleep30-21swapper/323:50:573
50762820,2sleep25077-21id21:59:052
180292820,5sleep23031299cyclictest22:13:002
170772820,2sleep10-21swapper/122:47:551
163622820,1sleep20-21swapper/223:19:542
149252820,3sleep33031399cyclictest22:35:063
2999428134,43sleep10-21swapper/119:09:161
265292810,2sleep226510-21sshd22:26:402
159082790,0sleep00-21swapper/023:26:050
207692780,1sleep11847-21nfsd22:38:491
27512770,0sleep00-21swapper/023:44:050
192982760,1sleep11847-21nfsd21:28:391
236072750,1sleep30-21swapper/321:54:333
222502750,1sleep20-21swapper/223:36:212
128292750,2sleep03031099cyclictest21:15:230
217242740,1sleep221723-21bash22:32:332
142982740,2sleep20-21swapper/223:10:032
10372740,0sleep11023-21sshd00:29:391
310272730,1sleep20-21swapper/222:46:032
196142730,2sleep30-21swapper/321:31:453
105862730,4sleep33031399cyclictest23:03:123
2993626133,9sleep20-21swapper/219:08:322
2801025934,13sleep00-21swapper/019:05:090
203302590,1sleep10-21swapper/123:39:291
300372550,2sleep20-21swapper/221:45:272
47802530,1sleep04777-21sshd22:30:500
245622510,2sleep10-21swapper/122:13:401
14632490,2sleep21460-21sshd21:20:342
24272480,4sleep33031399cyclictest23:37:393
316872450,2sleep10-21swapper/100:12:281
293302440,4sleep20-21swapper/222:36:262
223632410,4sleep33031399cyclictest21:41:353
18872400,0sleep11884-21cp22:20:571
289182370,1sleep00-21swapper/000:15:230
86982320,0sleep38699-21bash00:16:383
14502320,5sleep13031199cyclictest23:34:241
91812310,2sleep19176-21bash21:24:341
319552300,0sleep00-21swapper/022:39:560
30311993018,8cyclictest0-21swapper/122:15:571
91492290,27sleep2135650irq/27-eth000:16:422
3031199290,18cyclictest22-21ksoftirqd/121:48:341
188192290,1sleep13031199cyclictest00:31:271
314602280,4sleep33031399cyclictest22:52:263
314602280,4sleep33031399cyclictest22:52:263
30311992812,11cyclictest22-21ksoftirqd/123:46:371
90822261,22sleep1135650irq/27-eth023:54:171
308272260,24sleep1135650irq/27-eth022:27:081
313502250,2sleep214486-21kworker/2:223:40:262
30313992512,4cyclictest23188-21rm21:57:393
3031199253,20cyclictest22-21ksoftirqd/122:43:511
30311992510,6cyclictest22-21ksoftirqd/121:51:081
30311992510,5cyclictest7289-21sshd23:57:131
3031099259,10cyclictest0-21swapper/021:48:310
242232250,3sleep20-21swapper/223:01:152
18202250,23sleep2135650irq/27-eth022:59:072
75442240,3sleep27538-21cp22:53:172
75442240,3sleep27538-21cp22:53:172
30322240,0sleep23028-21sshd23:47:162
3031199249,4cyclictest0-21swapper/100:03:421
30311992412,5cyclictest22-21ksoftirqd/123:40:151
3031199240,21cyclictest22-21ksoftirqd/100:17:141
30310992410,8cyclictest3-21ksoftirqd/021:50:590
179352241,20sleep3135650irq/27-eth023:45:293
30312992318,3cyclictest26315-21sshd00:35:382
30313992214,5cyclictest10024-21sshd21:21:253
3031299223,3cyclictest26950irq/26-ahci[00023:52:462
30312992216,3cyclictest30558-21sshd00:12:202
30312992212,3cyclictest0-21swapper/222:02:282
3031199227,4cyclictest22-21ksoftirqd/121:43:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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