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2026-04-17 - 07:39
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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 Fri Apr 17, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3012221250,2sleep30-21swapper/322:16:463
198121230,3sleep3371499cyclictest00:31:473
172421220,2sleep2371399cyclictest22:03:312
911021200,2sleep30-21swapper/322:42:593
190021200,0sleep11884-21sshd23:19:471
331329333,48sleep10-21swapper/119:08:141
281572930,2sleep30-21swapper/322:02:513
86712900,3sleep3371499cyclictest21:25:333
125092900,0sleep00-21swapper/021:18:490
188022890,1sleep20-21swapper/221:12:362
137442890,1sleep30-21swapper/321:33:023
320528633,49sleep30-21swapper/319:06:513
305662850,2sleep20-21swapper/223:52:392
60182830,2sleep36009-21sshd22:31:383
135862820,3sleep10-21swapper/121:50:551
14572810,3sleep0371199cyclictest21:35:110
197812800,2sleep30-21swapper/323:44:223
83622790,1sleep10-21swapper/123:32:101
51372790,3sleep1371299cyclictest21:42:421
184882790,3sleep0371199cyclictest00:06:270
232612780,2sleep30-21swapper/321:41:083
207322780,2sleep10-21swapper/119:45:181
207912770,3sleep220788-21sshd21:23:112
54922760,1sleep15489-21sshd23:39:121
109422760,2sleep20-21swapper/223:05:312
34542750,2sleep20-21swapper/221:56:452
180352720,3sleep20-21swapper/222:47:422
180352720,3sleep20-21swapper/222:47:422
61362710,4sleep0371199cyclictest00:28:260
53042660,2sleep10-21swapper/121:11:081
102842660,0sleep00-21swapper/023:43:190
307932650,2sleep130792-21sshd23:49:041
103012650,3sleep1371299cyclictest22:00:531
292172630,2sleep30-21swapper/321:59:353
344826233,11sleep20-21swapper/219:09:552
232212610,0sleep00-21swapper/022:55:420
253282600,4sleep30-21swapper/323:26:223
267042540,1sleep30-21swapper/322:06:043
334125230,19sleep00-21swapper/019:08:320
315222430,3sleep10-21swapper/123:52:451
190942380,4sleep30-21swapper/321:15:593
248402360,1sleep024836-21sshd21:23:410
282522340,4sleep10-21swapper/122:56:231
65312320,6sleep20-21swapper/200:05:132
41422300,28sleep3144650irq/27-eth000:01:263
236652290,2sleep223666-21sshd23:10:592
198142290,2sleep119813-21sshd22:12:161
287952270,2sleep20-21swapper/223:22:462
280122270,3sleep1371299cyclictest23:56:231
43952260,4sleep2371399cyclictest21:53:292
115332260,5sleep30-21swapper/323:50:243
85822250,1sleep10-21swapper/100:20:231
108712250,3sleep10-21swapper/121:46:421
371299230,22cyclictest144650irq/27-eth022:08:401
3711992320,2cyclictest25008-21sshd22:52:000
309852230,0sleep30-21swapper/322:10:053
94322220,2sleep30-21swapper/321:46:323
61092220,20sleep3144650irq/27-eth022:57:473
227822220,2sleep322781-21sshd00:14:323
212382220,2sleep321236-21sshd22:29:533
131922220,2sleep10-21swapper/100:16:581
34242210,2sleep23423-21bash23:49:382
7872200,2sleep10-21swapper/122:24:051
238892200,1sleep20-21swapper/223:44:492
204692200,18sleep3144650irq/27-eth023:59:413
371399192,16cyclictest36-21rcuop/221:35:482
3712991913,4cyclictest10792-21diskstats21:15:131
28472191,16sleep2144650irq/27-eth000:04:542
164682190,1sleep216467-21sshd21:15:412
123192190,9sleep03-21ksoftirqd/000:39:570
371499185,9cyclictest144650irq/27-eth023:05:173
371399186,11cyclictest153250irq/28-eth1-rx-23:32:452
3713991813,4cyclictest9385-21sshd22:35:532
371399180,13cyclictest31651-21sshd22:13:332
371199180,14cyclictest0-21swapper/023:25:040
242082180,0sleep324193-21sshd23:37:243
149282180,4sleep20-21swapper/200:36:382
84492170,2sleep18450-21bash21:35:491
371499170,15cyclictest0-21swapper/322:36:063
371399176,6cyclictest8913-21sshd21:29:092
371399175,11cyclictest8271-21sshd00:16:212
371399174,12cyclictest153250irq/28-eth1-rx-23:36:522
371399174,11cyclictest20228-21bash22:40:272
371399173,9cyclictest0-21swapper/222:23:052
371399172,4cyclictest0-21swapper/223:01:062
3713991713,3cyclictest18162-21sshd22:15:262
371399171,10cyclictest4586-21sshd22:53:312
371299170,4cyclictest10143-21munin-node22:25:201
371299170,15cyclictest0-21swapper/123:29:241
371299170,12cyclictest9607-21sshd23:05:231
3711991714,3cyclictest9085-21kworker/0:020:13:550
371199170,15cyclictest11950-21bash21:29:290
270492170,15sleep1144650irq/27-eth000:07:341
223272170,2sleep10-21swapper/122:19:291
371499160,2cyclictest32247-21cp00:23:313
371499160,14cyclictest0-21swapper/323:23:043
371499160,14cyclictest0-21swapper/321:51:063
371399168,7cyclictest0-21swapper/222:27:252
371399167,5cyclictest23116-21sshd23:55:432
371399165,6cyclictest0-21swapper/222:31:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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