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2025-07-16 - 00:36
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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 rack7slot0.osadl.org (updated Tue Jul 15, 2025 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110050680,0irq/25-eth00-21swapper/107:05:181
110050640,0irq/25-eth00-21swapper/307:06:183
110050540,0irq/25-eth00-21swapper/207:09:172
9950530,0irq/24-0000:00:0-21swapper/007:05:260
91999181,0cyclictest0-21swapper/311:10:343
91999180,0cyclictest0-21swapper/311:00:503
91999170,0cyclictest0-21swapper/309:46:423
916991716,0cyclictest3-21ksoftirqd/012:38:240
919991612,0cyclictest19513-21sshd10:20:023
91999160,0cyclictest29886-21sshd11:40:223
91999160,0cyclictest0-21swapper/308:50:143
919991512,0cyclictest0-21swapper/311:34:313
919991511,0cyclictest0-21swapper/310:00:533
919991510,0cyclictest17880-21sshd11:45:533
91999150,0cyclictest0-21swapper/309:11:593
91899150,0cyclictest16139-21sshd12:25:202
91799150,0cyclictest0-21swapper/110:46:031
91799150,0cyclictest0-21swapper/109:30:191
91699150,0cyclictest0-21swapper/011:47:170
2599150,0migration/22276-21sshd11:05:392
919991412,0cyclictest23967-21sshd11:53:273
918991413,0cyclictest0-21swapper/212:16:452
917991413,0cyclictest0-21swapper/111:06:501
917991413,0cyclictest0-21swapper/109:24:221
916991414,0cyclictest5078-21sshd10:18:200
916991413,0cyclictest14371-21cp11:25:120
919991312,0cyclictest13245-21bash09:15:563
919991311,0cyclictest27594-21sshd11:36:423
919991311,0cyclictest0-21swapper/312:08:193
919991311,0cyclictest0-21swapper/310:29:353
91999130,0cyclictest0-21swapper/312:36:043
918991312,0cyclictest32167-21sshd09:32:572
918991311,0cyclictest0-21swapper/209:59:462
918991311,0cyclictest0-21swapper/209:12:022
91899130,0cyclictest10262-21sshd10:00:222
91899130,0cyclictest0-21swapper/211:46:332
917991312,0cyclictest23704-21sshd10:09:201
917991312,0cyclictest22490-21sshd09:43:121
917991312,0cyclictest0-21swapper/111:35:521
917991312,0cyclictest0-21swapper/110:33:021
917991312,0cyclictest0-21swapper/109:45:101
91799130,0cyclictest7513-21sshd11:24:301
91799130,0cyclictest0-21swapper/110:11:391
91799130,0cyclictest0-21swapper/109:11:561
916991313,0cyclictest0-21swapper/011:30:060
916991312,0cyclictest3-21ksoftirqd/009:50:130
916991311,0cyclictest0-21swapper/012:09:430
9950120,0irq/24-0000:00:8808-21bash12:34:212
9950120,0irq/24-0000:00:20500-21sshd09:27:523
91999124,0cyclictest16409-21sshd12:02:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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