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2026-05-15 - 03:12
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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 Fri May 15, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112750660,0irq/25-eth00-21swapper/119:05:201
112750640,0irq/25-eth00-21swapper/319:08:463
120650460,0irq/26-eth1-rx-0-21swapper/219:06:552
962424220,0sleep00-21swapper/019:09:020
351190,0ktimersoftd/36189-21sshd21:53:263
271190,0ktimersoftd/26191-21id21:53:262
9771991716,0cyclictest0-21swapper/300:33:043
112750170,0irq/25-eth00-21swapper/323:56:003
9950160,0irq/24-0000:00:0-21swapper/023:24:260
9771991612,0cyclictest0-21swapper/300:25:173
977199160,0cyclictest0-21swapper/322:55:213
9770991514,0cyclictest0-21swapper/221:15:582
976899150,0cyclictest0-21swapper/022:55:130
9770991413,0cyclictest0-21swapper/223:34:262
9770991412,0cyclictest0-21swapper/222:27:102
9770991412,0cyclictest0-21swapper/222:27:102
977099140,0cyclictest0-21swapper/222:55:172
977099140,0cyclictest0-21swapper/219:40:112
9769991413,0cyclictest0-21swapper/122:50:541
976999140,0cyclictest0-21swapper/122:11:371
976899140,0cyclictest0-21swapper/022:44:140
976899140,0cyclictest0-21swapper/021:12:550
271140,0ktimersoftd/20-21swapper/200:16:082
112750140,0irq/25-eth00-21swapper/323:40:193
9771991312,0cyclictest28440-21sshd22:13:323
977199130,0cyclictest21453-21sshd23:08:433
9770991312,0cyclictest0-21swapper/200:37:162
9770991311,0cyclictest0-21swapper/223:29:542
9769991310,0cyclictest3843-21sshd00:24:031
9768991312,0cyclictest0-21swapper/023:51:440
9768991312,0cyclictest0-21swapper/022:07:320
9768991312,0cyclictest0-21swapper/000:23:440
191130,0ktimersoftd/121065-21sshd00:17:401
9771991212,0cyclictest0-21swapper/323:52:033
9771991211,0cyclictest0-21swapper/322:36:263
977199120,0cyclictest26638-21sshd22:09:013
977199120,0cyclictest1973-21sshd23:19:043
977199120,0cyclictest0-21swapper/323:00:173
977199120,0cyclictest0-21swapper/321:39:523
9770991211,0cyclictest0-21swapper/221:42:272
977099120,0cyclictest0-21swapper/222:05:342
9769991211,0cyclictest14987-21bash21:50:151
9769991211,0cyclictest0-21swapper/100:31:501
9769991210,0cyclictest24002-21bash22:30:121
9769991210,0cyclictest0-21swapper/123:10:041
9769991210,0cyclictest0-21swapper/121:00:171
976999120,0cyclictest0-21swapper/121:47:131
976999120,0cyclictest0-21swapper/121:14:281
9768991211,0cyclictest25104-21sshd23:04:550
9768991211,0cyclictest0-21swapper/021:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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