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2025-04-26 - 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 rack1slot1.osadl.org (updated Sat Apr 26, 2025 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45362216156,48sleep30-21swapper/319:05:513
47602208158,25sleep00-21swapper/019:08:460
46432202163,26sleep20-21swapper/219:07:152
47192199162,24sleep10-21swapper/119:08:141
234652670,0sleep1111rcu_preempt23:21:181
248402610,0sleep30-21swapper/323:24:573
81542600,0sleep00-21swapper/022:14:440
497799199,0cyclictest9-21ksoftirqd/023:20:110
4977991716,1cyclictest9-21ksoftirqd/020:50:010
4977991716,0cyclictest9-21ksoftirqd/000:30:100
4977991616,0cyclictest9-21ksoftirqd/023:15:220
4977991615,1cyclictest9-21ksoftirqd/022:20:140
4977991615,1cyclictest9-21ksoftirqd/022:15:120
4977991615,1cyclictest9-21ksoftirqd/020:55:010
4977991515,0cyclictest9-21ksoftirqd/021:25:540
4977991514,1cyclictest9-21ksoftirqd/023:50:160
4977991514,1cyclictest9-21ksoftirqd/022:57:230
4977991514,1cyclictest9-21ksoftirqd/019:30:170
4977991514,1cyclictest9-21ksoftirqd/019:19:590
4977991513,1cyclictest9-21ksoftirqd/023:59:590
4977991513,1cyclictest9-21ksoftirqd/020:10:090
4977991510,4cyclictest9-21ksoftirqd/021:40:000
4977991414,0cyclictest9-21ksoftirqd/023:06:310
4977991413,1cyclictest9-21ksoftirqd/020:40:190
4977991413,1cyclictest9-21ksoftirqd/000:21:220
4977991413,1cyclictest9-21ksoftirqd/000:18:030
4977991313,0cyclictest9-21ksoftirqd/023:30:120
4977991312,1cyclictest9-21ksoftirqd/023:43:440
4977991312,1cyclictest9-21ksoftirqd/021:55:000
4977991312,1cyclictest9-21ksoftirqd/021:45:000
4977991312,1cyclictest9-21ksoftirqd/021:10:150
4977991312,1cyclictest9-21ksoftirqd/020:25:210
4977991311,1cyclictest9-21ksoftirqd/023:30:000
4977991311,1cyclictest9-21ksoftirqd/023:00:230
4977991311,1cyclictest9-21ksoftirqd/022:50:010
4977991311,1cyclictest9-21ksoftirqd/022:30:070
4977991311,1cyclictest9-21ksoftirqd/022:09:590
4977991311,1cyclictest9-21ksoftirqd/019:14:590
4977991311,1cyclictest9-21ksoftirqd/000:39:590
4977991311,1cyclictest9-21ksoftirqd/000:10:160
4977991311,1cyclictest9-21ksoftirqd/000:05:000
4977991310,2cyclictest9-21ksoftirqd/022:50:220
497799126,6cyclictest9-21ksoftirqd/022:40:190
497799125,5cyclictest9-21ksoftirqd/000:06:280
497799125,0cyclictest9-21ksoftirqd/021:05:200
4977991212,0cyclictest9-21ksoftirqd/020:55:150
4977991211,1cyclictest9-21ksoftirqd/022:00:150
4977991211,1cyclictest9-21ksoftirqd/021:55:220
4977991211,1cyclictest9-21ksoftirqd/021:20:220
4977991211,1cyclictest9-21ksoftirqd/021:17:170
4977991211,1cyclictest9-21ksoftirqd/020:40:010
4977991211,1cyclictest9-21ksoftirqd/020:34:590
4977991211,1cyclictest9-21ksoftirqd/019:25:000
4977991210,1cyclictest9-21ksoftirqd/023:10:070
4977991210,1cyclictest9-21ksoftirqd/022:30:010
4977991210,1cyclictest9-21ksoftirqd/021:50:010
4977991210,1cyclictest9-21ksoftirqd/021:35:010
4977991210,1cyclictest9-21ksoftirqd/020:15:130
4977991210,1cyclictest9-21ksoftirqd/020:00:000
4977991210,1cyclictest9-21ksoftirqd/019:40:010
4998991110,1cyclictest28-21ksoftirqd/200:34:592
497799119,1cyclictest9-21ksoftirqd/020:25:000
4977991110,1cyclictest9-21ksoftirqd/019:29:590
499899104,1cyclictest0-21swapper/223:00:212
4998991010,0cyclictest28-21ksoftirqd/221:25:512
499899100,10cyclictest0-21swapper/223:21:252
497799109,1cyclictest9-21ksoftirqd/023:35:140
497799109,1cyclictest9-21ksoftirqd/022:35:100
497799109,1cyclictest9-21ksoftirqd/022:35:100
497799109,1cyclictest9-21ksoftirqd/021:00:130
497799109,1cyclictest9-21ksoftirqd/019:45:000
497799109,1cyclictest9-21ksoftirqd/000:28:370
497799108,1cyclictest9-21ksoftirqd/020:05:000
497799108,1cyclictest9-21ksoftirqd/019:50:160
497799108,1cyclictest9-21ksoftirqd/019:45:130
50069998,1cyclictest35-21ksoftirqd/321:45:003
50069998,1cyclictest26544-21diskmemload22:34:013
50069997,1cyclictest35-21ksoftirqd/320:15:143
49989998,1cyclictest60950irq/123-eno122:10:352
49989997,1cyclictest28-21ksoftirqd/220:50:012
49989997,1cyclictest28-21ksoftirqd/220:45:002
49989990,5cyclictest788-21lldpd23:43:072
49779997,1cyclictest9-21ksoftirqd/020:10:000
50069987,1cyclictest35-21ksoftirqd/323:59:593
50069986,1cyclictest35-21ksoftirqd/321:00:003
50069985,1cyclictest4123-21forks00:30:103
50069981,4cyclictest17867-21apt-get19:35:133
50069980,7cyclictest7728-21apt-get00:35:113
50069980,5cyclictest21696-1kworker/u9:221:50:493
50069980,4cyclictest8609-21apt-get23:50:133
49989987,1cyclictest28-21ksoftirqd/222:35:002
49989986,1cyclictest60950irq/123-eno121:50:012
49989984,2cyclictest254-21systemd-journal21:05:182
49779988,0cyclictest9-21ksoftirqd/023:45:310
14668280,1sleep20-21swapper/222:21:332
50069977,0cyclictest35-21ksoftirqd/323:35:003
50069976,1cyclictest35-21ksoftirqd/323:10:013
50069976,1cyclictest1449-21ntpd23:14:223
50069975,1cyclictest18361-21cat23:15:173
50069975,1cyclictest1449-21ntpd19:14:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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