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2026-06-19 - 14:48
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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 Jun 19, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
851321460,3sleep02149199cyclictest11:45:170
309742900,2sleep20-21swapper/210:20:082
2123728929,56sleep10-21swapper/107:10:001
129282880,6sleep32149499cyclictest11:53:233
2096828733,50sleep30-21swapper/307:06:523
125742860,2sleep10-21swapper/109:41:401
309492840,2sleep30-21swapper/311:10:383
137772840,0sleep00-21swapper/012:19:520
87492830,2sleep32132-21sshd09:34:253
192022830,1sleep22024-21nfsd09:10:422
160022830,1sleep30-21swapper/310:32:433
269682820,3sleep20-21swapper/210:26:412
277492810,0sleep00-21swapper/011:03:060
225232810,0sleep00-21swapper/009:57:370
16172810,2sleep10-21swapper/110:13:131
244392800,2sleep324436-21bash11:31:583
304552790,1sleep30-21swapper/310:59:483
282732790,1sleep128270-21sshd09:29:371
31522780,2sleep20-21swapper/211:07:442
34762770,3sleep20-21swapper/211:52:082
25972770,2sleep10-21swapper/109:37:061
259632770,2sleep20-21swapper/212:31:552
39692760,3sleep10-21swapper/110:45:351
47862750,1sleep20-21swapper/210:56:552
193182750,1sleep30-21swapper/310:00:363
173242750,5sleep20-21swapper/212:16:332
162382750,2sleep22024-21nfsd09:28:172
153452750,1sleep20-21swapper/209:31:342
8812740,1sleep10-21swapper/111:18:091
127302730,1sleep22512-21runrttasks09:49:052
31492710,1sleep30-21swapper/310:35:043
123322700,2sleep30-21swapper/308:00:123
79142670,4sleep12149299cyclictest10:06:201
199052660,2sleep10-21swapper/111:09:361
21552580,0sleep00-21swapper/012:10:430
2117925633,11sleep00-21swapper/007:09:230
2094225634,9sleep20-21swapper/207:06:312
61602390,2sleep30-21swapper/309:44:463
122372350,7sleep00-21swapper/009:38:090
215572340,2sleep10-21swapper/112:35:231
289232330,1sleep041ktimersoftd/011:21:130
80322300,28sleep3144650irq/27-eth012:30:013
46602291,26sleep3144650irq/27-eth012:15:113
105692280,4sleep20-21swapper/209:41:242
174672260,1sleep017461-21sshd09:42:140
325482250,1sleep10-21swapper/110:16:251
268662250,6sleep30-21swapper/309:36:123
156502250,23sleep1144650irq/27-eth012:23:341
23782240,2sleep30-21swapper/311:59:433
232472230,21sleep3144650irq/27-eth009:18:063
201512230,0sleep00-21swapper/012:09:170
156102230,21sleep3144650irq/27-eth010:46:543
54362220,20sleep1144650irq/27-eth010:02:411
314202220,2sleep10-21swapper/111:59:211
2149199220,21cyclictest0-21swapper/009:13:400
2149199220,21cyclictest0-21swapper/007:15:160
140492220,1sleep114040-21sshd10:32:291
293382210,3sleep20-21swapper/211:43:552
281782210,2sleep22512-21runrttasks10:12:342
280042210,18sleep3144650irq/27-eth011:28:543
2149399211,13cyclictest0-21swapper/212:14:522
2149299210,19cyclictest20525-21ipmitool11:50:161
141112210,2sleep30-21swapper/310:07:073
2149399201,13cyclictest23254-21sshd10:47:442
2149199200,18cyclictest0-21swapper/010:23:310
164032200,18sleep3144650irq/27-eth010:50:233
260262190,17sleep3144650irq/27-eth009:46:593
2149399190,13cyclictest30665-21sshd11:59:162
2149299190,13cyclictest31469-21sshd11:29:161
2149199190,17cyclictest30155-21sshd10:12:480
190432190,1sleep20-21swapper/211:46:312
178782190,0sleep00-21swapper/011:16:160
157562190,0sleep00-21swapper/010:03:460
136942190,17sleep1144650irq/27-eth011:01:221
97152180,4sleep12149299cyclictest11:45:221
21494991813,3cyclictest28523-21sshd10:19:523
2149499180,6cyclictest144650irq/27-eth011:20:343
2149499180,13cyclictest14568-21sshd12:38:283
2149299189,1cyclictest0-21swapper/110:53:371
2149299186,11cyclictest22-21ksoftirqd/109:15:401
2149199180,1cyclictest0-21swapper/012:02:100
2149499170,5cyclictest866-21sshd10:27:233
2149499170,15cyclictest7654-21perl12:00:123
2149399174,9cyclictest2024-21nfsd09:50:042
2149399173,13cyclictest24992-21sshd11:24:522
21493991713,3cyclictest31654-21sshd10:30:372
2149399171,10cyclictest31712-21sshd12:03:042
21492991712,4cyclictest30462-21sshd12:06:471
2149299170,4cyclictest144650irq/27-eth012:10:581
2149299170,12cyclictest20770-21sshd11:35:181
2149199178,5cyclictest31942-21id11:10:450
21491991711,5cyclictest0-21swapper/012:22:340
2149199171,15cyclictest0-21swapper/010:44:550
2149199170,9cyclictest6527-21sshd10:17:130
2149199170,4cyclictest0-21swapper/010:47:270
2149199170,1cyclictest31969-21sshd11:25:300
2149199170,1cyclictest2024-21nfsd09:31:580
2149199170,16cyclictest0-21swapper/010:28:190
60902160,14sleep1144650irq/27-eth010:42:271
2149499168,6cyclictest0-21swapper/311:00:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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