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2026-08-19 - 09:48
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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 Wed Aug 19, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
604421370,1sleep26025-21sshd22:32:362
1774621370,5sleep30-21swapper/319:05:103
316821280,4sleep12002799cyclictest22:06:111
2322621250,4sleep12002799cyclictest23:55:271
186321240,2sleep22002899cyclictest23:27:152
1090421190,4sleep32002999cyclictest21:10:063
2862321140,3sleep30-21swapper/321:20:033
1518821010,1sleep00-21swapper/023:51:580
304192920,3sleep10-21swapper/121:20:141
276612910,0sleep00-21swapper/000:33:380
55762890,2sleep15575-21bash21:37:491
99552880,2sleep19950-21sshd22:44:381
292882870,2sleep229285-21sshd22:55:052
24892870,2sleep30-21swapper/323:44:563
290142860,1sleep129013-21sshd21:54:091
66802850,1sleep06678-21bash22:24:050
5882840,2sleep30-21swapper/322:52:223
320292840,0sleep232028-21sshd00:02:062
284462840,2sleep128441-21sshd22:55:001
125542840,3sleep02002699cyclictest20:05:010
114512840,2sleep20-21swapper/222:13:002
314442810,2sleep20-21swapper/200:39:462
198752810,2sleep219878-21sshd00:27:072
1960528133,44sleep10-21swapper/119:07:571
142642810,2sleep12024-21nfsd23:11:111
110132810,4sleep1211ktimersoftd/100:32:071
60082800,1sleep25999-21if_eth021:00:162
287602800,1sleep128758-21sshd00:10:311
157652800,3sleep30-21swapper/323:05:363
256562790,2sleep10-21swapper/123:44:051
201472790,2sleep320145-21sshd22:57:143
237982780,2sleep20-21swapper/223:00:372
141382760,1sleep10-21swapper/122:16:001
133812760,0sleep00-21swapper/023:11:060
267442750,5sleep22002899cyclictest23:35:212
267442750,5sleep22002899cyclictest23:35:212
314852740,2sleep10-21swapper/123:18:281
220922730,2sleep10-21swapper/123:00:291
284632720,2sleep10-21swapper/122:14:321
105052710,2sleep147-21rcuop/323:45:301
222422700,1sleep20-21swapper/223:11:562
51842680,1sleep02024-21nfsd00:05:240
33112650,1sleep10-21swapper/121:12:121
172412610,4sleep12002799cyclictest21:55:571
184032597,12sleep20-21swapper/219:05:132
1950924235,4sleep00-21swapper/019:06:440
94782380,2sleep29477-21bash22:47:282
45872360,0sleep00-21swapper/023:21:480
207102340,2sleep220709-21bash22:39:542
256842313,26sleep1144650irq/27-eth000:21:531
251222310,29sleep3144650irq/27-eth000:01:283
136922300,2sleep30-21swapper/322:33:223
125832300,28sleep2144650irq/27-eth022:04:092
289062280,3sleep02002699cyclictest00:19:200
139772270,2sleep313974-21sshd22:24:433
253302250,1sleep10-21swapper/121:28:121
117822240,2sleep111779-21bash22:04:021
310452230,0sleep00-21swapper/021:37:120
282092230,3sleep22002899cyclictest00:07:322
139452230,4sleep32002999cyclictest23:28:243
79412220,2sleep17937-21sshd22:38:441
32382220,2sleep30-21swapper/300:11:083
30552210,2sleep20-21swapper/200:22:462
303812210,2sleep20-21swapper/222:26:042
2002899214,9cyclictest0-21swapper/221:42:222
2002899214,9cyclictest0-21swapper/221:42:222
58012200,18sleep2144650irq/27-eth022:44:162
57292202,16sleep2144650irq/27-eth023:16:102
204332200,18sleep1144650irq/27-eth023:32:001
204332200,18sleep1144650irq/27-eth023:32:001
2002899196,4cyclictest22595-21sshd21:36:272
2002899193,5cyclictest0-21swapper/219:50:222
20027991913,4cyclictest22484-21sshd00:18:421
2002699190,17cyclictest29624-21sshd21:17:160
16792190,2sleep30-21swapper/323:24:283
68862180,16sleep1144650irq/27-eth022:24:071
37932180,16sleep1144650irq/27-eth023:50:571
37232180,2sleep32512-21runrttasks23:59:383
2002899186,11cyclictest9043-21sshd22:53:072
2002899184,13cyclictest23243-21sshd23:23:292
2002899182,14cyclictest23382-21bash21:22:242
20028991813,3cyclictest20259-21bash21:13:422
20028991812,4cyclictest3341-21sshd00:11:092
20028991810,4cyclictest24262-21sshd22:22:462
20028991810,1cyclictest0-21swapper/219:17:352
2002799187,6cyclictest0-21swapper/123:21:361
182702180,16sleep1144650irq/27-eth000:26:581
160602180,16sleep3144650irq/27-eth023:00:043
20029991710,3cyclictest16155-21bash22:42:153
2002999170,15cyclictest144650irq/27-eth000:25:463
2002999170,15cyclictest0-21swapper/300:07:563
2002999170,12cyclictest2023-21nfsd23:50:103
2002999170,12cyclictest11880-21sshd22:15:483
2002899176,10cyclictest26600-21sshd23:50:112
2002899176,10cyclictest0-21swapper/222:15:232
2002899173,13cyclictest27100-21bash00:33:352
20028991712,3cyclictest26474-21sshd23:55:452
2002899170,15cyclictest0-21swapper/223:43:342
2002899170,12cyclictest29441-21sshd00:16:202
2002799177,4cyclictest12642-21sshd21:44:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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