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2025-07-12 - 13:07
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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 Jul 12, 2025 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137821640,3sleep12757499cyclictest23:24:261
137821640,3sleep12757499cyclictest23:24:251
2586221430,1sleep10-21swapper/123:33:001
440921420,3sleep30-21swapper/300:33:153
1577121420,2sleep22757899cyclictest00:06:522
130221420,2sleep30-21swapper/322:50:083
1272921410,4sleep12757499cyclictest22:29:271
2318821380,1sleep22757899cyclictest21:13:402
1178821340,2sleep30-21swapper/323:03:443
1480021330,1sleep30-21swapper/321:55:423
824521230,0sleep20-21swapper/221:49:032
1819921230,0sleep00-21swapper/023:19:520
2782521220,3sleep32758399cyclictest22:00:063
944721180,3sleep22757899cyclictest22:47:442
2330221160,1sleep236-21rcuop/221:59:422
3270921150,0sleep00-21swapper/021:11:260
2979821130,3sleep20-21swapper/222:12:322
1774321120,0sleep317745-21id00:17:153
2572921100,3sleep22757899cyclictest23:55:102
2467321040,1sleep02756999cyclictest23:48:410
27185210234,47sleep30-21swapper/319:08:173
2687221000,2sleep10-21swapper/100:11:161
222392990,2sleep20-21swapper/222:55:172
163752990,1sleep20-21swapper/223:47:522
98152960,1sleep12757499cyclictest22:50:511
10942960,1sleep01083-21sshd22:25:120
135512950,1sleep013530-21sshd00:23:340
294192940,2sleep10-21swapper/123:55:251
2528529235,53sleep10-21swapper/119:05:051
113752920,1sleep041ktimersoftd/022:57:200
129462910,2sleep22405-21runrttasks21:00:132
7002890,2sleep1694-21sshd21:17:361
68432890,2sleep20-21swapper/222:38:092
201442890,2sleep20-21swapper/200:20:432
209262880,1sleep30-21swapper/323:20:083
209262880,1sleep30-21swapper/323:20:083
154722880,1sleep20-21swapper/223:28:522
154722880,1sleep20-21swapper/223:28:522
51122870,2sleep30-21swapper/322:28:413
153412860,2sleep20-21swapper/200:03:362
107252860,3sleep02756999cyclictest21:15:260
6052840,2sleep12405-21runrttasks00:25:271
30622840,1sleep20-21swapper/222:06:552
297282840,2sleep20-21swapper/221:44:592
276192820,2sleep327616-21sshd22:40:113
320372800,4sleep22757899cyclictest22:15:452
36722790,2sleep30-21swapper/321:48:363
294052780,0sleep00-21swapper/022:34:100
195822780,1sleep10-21swapper/122:39:251
315012770,2sleep20-21swapper/223:52:292
313662770,3sleep32758399cyclictest00:08:303
20112770,0sleep00-21swapper/021:39:160
254902750,0sleep00-21swapper/022:24:290
136212750,1sleep20-21swapper/222:01:462
236582740,2sleep20-21swapper/222:27:202
193662740,2sleep30-21swapper/321:28:363
77532700,5sleep12757499cyclictest22:04:221
181122700,1sleep20-21swapper/222:33:052
301952660,2sleep10-21swapper/121:11:101
175002660,2sleep30-21swapper/323:25:533
175002660,2sleep30-21swapper/323:25:523
67202650,4sleep12757499cyclictest23:03:141
65022630,2sleep21848-21nfsd23:09:282
283752630,2sleep128376-21sshd00:21:371
157672600,3sleep22757899cyclictest23:35:142
205622590,4sleep10-21swapper/123:26:111
205622590,4sleep10-21swapper/123:26:111
87412570,2sleep31847-21nfsd22:16:383
2724825539,12sleep20-21swapper/219:09:032
212912550,1sleep10-21swapper/100:07:271
241902500,44sleep126950irq/26-ahci[00022:58:381
27569994835,5cyclictest16976-21bash00:06:590
2731024834,11sleep00-21swapper/019:09:500
206992410,11sleep12757499cyclictest22:45:341
286412400,2sleep128629-21sshd23:52:121
59442390,4sleep05933-21sshd23:12:260
27569993832,2cyclictest0-21swapper/021:23:450
255952380,0sleep00-21swapper/022:40:000
27569993715,12cyclictest3-21ksoftirqd/023:35:160
27569993634,1cyclictest0-21swapper/023:57:580
2756999350,3cyclictest11571-21sshd22:54:180
27574993414,7cyclictest20227-21sshd22:11:371
27569993416,16cyclictest3-21ksoftirqd/022:47:190
27569993216,9cyclictest3-21ksoftirqd/022:04:480
38582310,21sleep1135650irq/27-eth022:19:211
175252310,3sleep317516-21bash21:43:473
68692300,28sleep1135650irq/27-eth023:18:461
2756999300,27cyclictest1847-21nfsd00:16:330
27578992924,4cyclictest18585-21sshd21:37:442
27574992924,4cyclictest25786-21sshd21:23:041
152422290,0sleep315243-21bash23:35:113
278582280,26sleep3135650irq/27-eth023:30:073
27583992712,5cyclictest135650irq/27-eth022:08:353
27569992715,6cyclictest3-21ksoftirqd/023:06:050
152912270,3sleep30-21swapper/300:00:243
27574992624,1cyclictest0-21swapper/121:30:351
27574992612,2cyclictest4538-21sshd22:40:571
2756999268,11cyclictest3-21ksoftirqd/021:57:100
2756999265,13cyclictest1893-21nscd21:50:160
42462250,1sleep30-21swapper/322:34:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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