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2026-06-20 - 03:26
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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 Jun 20, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
677421400,3sleep21255999cyclictest21:52:502
12005211331,44sleep10-21swapper/119:06:181
1466021070,3sleep10-21swapper/122:04:381
1463721060,2sleep10-21swapper/121:11:121
584121020,2sleep20-21swapper/200:12:112
60432940,1sleep30-21swapper/321:10:183
33012930,2sleep10-21swapper/122:10:151
4582910,2sleep10-21swapper/122:52:561
40672860,2sleep10-21swapper/122:20:541
326762860,4sleep11255899cyclictest23:25:491
1209628632,50sleep30-21swapper/319:07:273
51432830,2sleep35142-21sshd21:41:533
102202830,2sleep30-21swapper/322:07:333
49762820,1sleep2422-21jbd2/dm-0-821:27:322
123552820,1sleep02066-21nscd22:25:180
287402810,2sleep30-21swapper/323:33:213
106862810,1sleep310680-21bash23:23:353
246162800,1sleep024613-21bash22:48:260
195752800,3sleep20-21swapper/223:32:202
1224428032,11sleep20-21swapper/219:09:192
46792780,0sleep00-21swapper/021:27:300
174522780,1sleep017448-21bash21:11:310
114802780,2sleep20-21swapper/223:09:032
152842770,1sleep20-21swapper/222:25:312
187262760,0sleep00-21swapper/023:28:210
50302750,2sleep35031-21cat20:05:003
127422750,2sleep10-21swapper/122:43:261
127422750,2sleep10-21swapper/122:43:261
270852720,0sleep00-21swapper/019:40:170
91092700,1sleep03-21ksoftirqd/022:57:340
15772670,3sleep21255999cyclictest00:31:022
286382650,2sleep20-21swapper/223:44:462
132392640,3sleep01255799cyclictest20:20:200
96552580,2sleep10-21swapper/123:53:261
1228124934,12sleep00-21swapper/019:09:450
100322340,0sleep110033-21bash00:39:511
278602320,1sleep10-21swapper/121:37:251
103492310,28sleep3144650irq/27-eth000:28:123
236812280,1sleep223670-21sshd22:37:102
217972281,25sleep3144650irq/27-eth022:01:533
9262260,4sleep11255899cyclictest23:18:441
160072260,3sleep00-21swapper/023:09:340
151022260,2sleep20-21swapper/222:18:422
317912250,3sleep30-21swapper/322:49:133
230932250,2sleep20-21swapper/223:51:202
1255999250,16cyclictest0-21swapper/221:16:032
95072240,3sleep30-21swapper/322:10:533
210102240,22sleep1144650irq/27-eth000:10:181
1255999245,3cyclictest23448-21sshd00:37:122
89202230,2sleep20-21swapper/221:49:132
315622230,21sleep3144650irq/27-eth023:52:173
193082230,3sleep20-21swapper/200:17:292
33812220,2sleep22024-21nfsd23:45:302
199682220,2sleep22512-21runrttasks23:35:562
147982220,20sleep3144650irq/27-eth021:28:383
90632210,1sleep00-21swapper/023:31:090
35482210,1sleep00-21swapper/023:22:480
171222210,19sleep1144650irq/27-eth021:57:591
54462202,16sleep1144650irq/27-eth023:01:141
28382200,1sleep20-21swapper/223:04:392
266122200,18sleep1144650irq/27-eth021:26:171
229932200,2sleep30-21swapper/323:58:533
189922200,0sleep00-21swapper/023:13:180
181352190,17sleep1144650irq/27-eth023:43:181
1255999193,14cyclictest27811-21sshd23:14:172
1255999193,10cyclictest153250irq/28-eth1-rx-21:40:192
1255999192,9cyclictest32047-21sshd22:45:232
1255999192,16cyclictest0-21swapper/219:26:232
1255999190,4cyclictest12556-21cyclictest00:06:412
1255899190,14cyclictest6810-21sshd22:17:481
87762180,16sleep1144650irq/27-eth023:56:561
224072180,16sleep3144650irq/27-eth022:19:323
209422180,1sleep120943-21bash23:47:291
1255999186,11cyclictest153250irq/28-eth1-rx-22:12:432
1255999185,12cyclictest153250irq/28-eth1-rx-22:05:172
1255999183,1cyclictest153250irq/28-eth1-rx-23:55:192
1255999182,3cyclictest15655-21bash22:22:102
12559991814,3cyclictest30331-21bash00:22:552
12559991811,6cyclictest0-21swapper/223:18:412
1255799181,16cyclictest0-21swapper/000:05:400
92112170,15sleep3144650irq/27-eth022:35:263
42682170,15sleep3144650irq/27-eth000:35:013
250192171,14sleep3144650irq/27-eth000:06:333
1256099173,6cyclictest7438-21sshd00:12:223
12560991712,1cyclictest25559-21sshd21:47:293
12560991711,5cyclictest21579-21sshd22:59:213
1255999176,10cyclictest153250irq/28-eth1-rx-23:27:072
1255999176,10cyclictest153250irq/28-eth1-rx-22:01:542
1255999175,6cyclictest0-21swapper/220:04:032
1255999175,11cyclictest153250irq/28-eth1-rx-21:35:552
1255999172,7cyclictest0-21swapper/221:24:502
1255999172,14cyclictest30588-21cp22:34:252
1255999172,14cyclictest153250irq/28-eth1-rx-22:56:292
1255999170,7cyclictest2076-21nscd21:12:162
1255999170,4cyclictest0-21swapper/223:23:552
12558991711,5cyclictest144650irq/27-eth022:34:261
12558991710,2cyclictest25756-21sshd22:59:571
1255899170,15cyclictest28506-21sshd23:33:191
1255899170,12cyclictest27522-21sshd21:19:321
108172170,1sleep041ktimersoftd/021:42:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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