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2026-04-25 - 12:44
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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 Sat Apr 25, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186821400,1sleep21867-21sshd22:37:292
3066621290,0sleep00-21swapper/021:31:030
1360121260,2sleep22024-21nfsd21:22:152
1360121260,2sleep22024-21nfsd21:22:142
2757210133,55sleep30-21swapper/319:08:483
54962950,4sleep2312099cyclictest21:45:272
201642900,2sleep220165-21sshd00:29:382
207862880,6sleep20-21swapper/222:56:482
262882860,3sleep3312199cyclictest22:53:533
280928533,48sleep10-21swapper/119:09:251
221432850,2sleep30-21swapper/300:36:513
188072840,2sleep10-21swapper/122:39:201
38012830,1sleep03797-21sshd21:59:200
313172830,2sleep10-21swapper/122:29:551
306962830,0sleep030695-21sshd22:54:220
293462820,2sleep129342-21sshd23:05:011
281202800,2sleep20-21swapper/222:25:582
80062790,1sleep10-21swapper/100:21:031
38792790,1sleep30-21swapper/322:37:423
120082790,0sleep00-21swapper/000:06:550
115882790,1sleep20-21swapper/223:24:182
40212780,2sleep04017-21sshd00:13:200
312402770,2sleep331237-21bash00:02:023
190322770,1sleep10-21swapper/122:04:221
122672770,2sleep212264-21sshd23:03:102
119722770,3sleep10-21swapper/122:10:261
100042770,3sleep3312199cyclictest23:02:553
38092760,2sleep10-21swapper/123:34:021
267272740,2sleep126723-21sshd22:57:321
264482730,1sleep20-21swapper/222:40:092
284442720,2sleep30-21swapper/321:37:433
90412710,2sleep29043-21needreboot00:10:192
278432710,0sleep00-21swapper/021:44:330
142272700,2sleep30-21swapper/323:31:363
77172690,2sleep17718-21sshd21:45:431
264432690,2sleep20-21swapper/222:15:252
240352680,3sleep3312199cyclictest23:43:223
225112680,1sleep10-21swapper/121:43:571
127542670,2sleep1311999cyclictest22:20:491
6482650,2sleep20-21swapper/223:40:402
261126234,4sleep00-21swapper/019:06:560
187982600,3sleep3312199cyclictest23:14:293
258825733,12sleep20-21swapper/219:06:382
131852470,1sleep013179-21sshd22:20:510
87702360,3sleep30-21swapper/322:06:363
291392360,0sleep00-21swapper/021:10:180
289882310,2sleep30-21swapper/323:08:243
302122290,3sleep20-21swapper/200:05:222
290282290,2sleep20-21swapper/221:17:072
94362280,1sleep30-21swapper/300:28:193
24832271,23sleep3144650irq/27-eth023:51:283
234232270,1sleep00-21swapper/021:26:370
218422270,2sleep321836-21sshd22:11:333
193582270,3sleep10-21swapper/123:39:111
193582270,3sleep10-21swapper/123:39:111
97782260,0sleep00-21swapper/021:35:400
26482260,1sleep02647-21bash23:51:280
126852260,2sleep112686-21sshd21:18:501
49232250,23sleep1144650irq/27-eth021:21:191
49232250,23sleep1144650irq/27-eth021:21:181
290672250,2sleep10-21swapper/123:58:071
307892240,2sleep30-21swapper/322:33:253
285692240,22sleep3144650irq/27-eth022:29:383
155512230,0sleep00-21swapper/000:25:230
136432230,2sleep313620-21sshd00:07:063
183922220,2sleep20-21swapper/223:39:042
183922220,2sleep20-21swapper/223:39:042
36382211,18sleep2144650irq/27-eth022:51:242
282352210,19sleep2144650irq/27-eth023:54:212
262732210,1sleep10-21swapper/121:37:281
242442210,19sleep3144650irq/27-eth023:46:523
234862210,19sleep1144650irq/27-eth021:50:481
278752200,3sleep20-21swapper/223:18:522
275692200,2sleep10-21swapper/123:01:161
23842200,1sleep02385-21sshd22:30:140
18372200,0sleep00-21swapper/000:31:070
270232190,17sleep1144650irq/27-eth000:26:411
242652190,17sleep2144650irq/27-eth021:50:542
229852190,17sleep1144650irq/27-eth022:32:271
147762192,15sleep3144650irq/27-eth022:45:403
101172190,3sleep2312099cyclictest22:48:432
3121991816,1cyclictest0-21swapper/320:02:513
3119991816,1cyclictest0-21swapper/123:14:121
312199170,12cyclictest144650irq/27-eth000:10:273
311999179,7cyclictest22-21ksoftirqd/122:43:241
311999170,8cyclictest0-21swapper/120:55:131
311999170,4cyclictest25466-21sshd00:08:251
311999170,11cyclictest29562-21sshd22:05:221
3118991715,1cyclictest0-21swapper/022:00:140
312199162,13cyclictest22733-21sshd23:35:563
312199162,13cyclictest22733-21sshd23:35:563
312199160,14cyclictest0-21swapper/321:25:213
312099168,7cyclictest21206-21nscd21:10:002
312099166,6cyclictest24010-21sshd00:30:042
3120991612,3cyclictest30119-21sshd23:12:092
3120991612,3cyclictest28128-21cp00:01:402
3120991611,3cyclictest21472-21cp22:11:312
312099160,3cyclictest20881-21sshd23:25:142
312099160,12cyclictest17157-21sshd00:18:222
311999160,14cyclictest11790-21sshd22:45:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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