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2025-07-12 - 13:06
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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 50 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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