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2026-05-17 - 02:47
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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 Sun May 17, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290082225159,53sleep30-21swapper/319:08:113
290732219159,47sleep10-21swapper/119:09:021
289972216151,51sleep20-21swapper/219:08:022
289422207156,25sleep00-21swapper/019:07:210
28422710,1sleep22830-21hwlatdetect23:35:152
30732670,0sleep20-21swapper/220:30:002
278902600,0sleep30-21swapper/321:15:223
326652200,0sleep10-21swapper/122:05:151
29236991715,1cyclictest9-21ksoftirqd/020:55:120
284732170,0sleep00-21swapper/021:16:230
29254991616,0cyclictest35-21ksoftirqd/300:37:323
290252140,0sleep00-21swapper/020:15:120
29254991313,0cyclictest35-21ksoftirqd/300:28:153
29254991310,2cyclictest21942-21awk21:10:003
2925499129,2cyclictest4793-21apt-get19:25:133
2925499129,2cyclictest20005-21ssh22:30:373
29254991212,0cyclictest35-21ksoftirqd/321:30:173
29254991212,0cyclictest35-21ksoftirqd/300:04:393
29254991211,1cyclictest35-21ksoftirqd/319:24:593
29240991212,0cyclictest0-21swapper/100:05:111
29236991211,1cyclictest9-21ksoftirqd/021:20:140
29236991211,1cyclictest9-21ksoftirqd/000:20:110
29236991210,1cyclictest9-21ksoftirqd/023:00:000
29236991210,1cyclictest9-21ksoftirqd/021:10:000
2925499119,1cyclictest15399-21sort22:25:193
2925499118,2cyclictest30164-21grep19:10:163
2925499116,4cyclictest28693-21tr00:10:133
29254991110,1cyclictest32136-21apt-get00:15:123
29254991110,1cyclictest23859-21apt-get20:05:123
2925499111,9cyclictest17526-21fschecks_count21:45:143
2925499111,8cyclictest26277-21fschecks_time22:40:163
2925499111,1cyclictest240-21systemd-journal22:03:243
2925499110,10cyclictest26210-21apt-get20:10:093
2923699119,1cyclictest9-21ksoftirqd/023:10:130
2923699119,1cyclictest9-21ksoftirqd/022:30:000
2923699119,1cyclictest9-21ksoftirqd/022:20:130
2923699119,1cyclictest9-21ksoftirqd/020:45:150
2923699119,1cyclictest9-21ksoftirqd/019:55:020
29236991110,1cyclictest9-21ksoftirqd/023:25:000
29236991110,1cyclictest9-21ksoftirqd/023:15:000
29236991110,1cyclictest9-21ksoftirqd/022:00:110
29236991110,1cyclictest9-21ksoftirqd/019:30:000
6052100,0sleep20-21swapper/223:31:572
299112100,0sleep20-21swapper/200:10:192
2925499108,2cyclictest0-21swapper/323:10:193
2925499106,4cyclictest0-21swapper/322:20:193
2925499102,8cyclictest341rcuc/300:08:123
29254991010,0cyclictest35-21ksoftirqd/323:56:373
29254991010,0cyclictest35-21ksoftirqd/323:35:153
2925499101,8cyclictest21920-21diskmemload22:14:103
2925499101,1cyclictest2009-21chrt20:25:163
2923699109,0cyclictest9-21ksoftirqd/000:05:010
2923699108,1cyclictest9-21ksoftirqd/021:35:130
29236991010,0cyclictest9-21ksoftirqd/022:05:130
29236991010,0cyclictest9-21ksoftirqd/000:35:180
292549999,0cyclictest35-21ksoftirqd/323:20:393
292549999,0cyclictest35-21ksoftirqd/323:17:533
292549999,0cyclictest35-21ksoftirqd/323:08:183
292549999,0cyclictest35-21ksoftirqd/323:03:433
292549999,0cyclictest35-21ksoftirqd/321:59:333
292549999,0cyclictest35-21ksoftirqd/321:38:073
292549999,0cyclictest35-21ksoftirqd/321:03:533
292549998,1cyclictest292902sleep322:45:103
292549998,1cyclictest0-21swapper/323:50:083
292549998,1cyclictest0-21swapper/321:12:233
292549998,1cyclictest0-21swapper/320:55:123
292549997,1cyclictest28121-21ntp_kernel_pll_23:25:173
292549997,1cyclictest28121-21ntp_kernel_pll_23:25:173
292549997,1cyclictest0-21swapper/300:20:203
292549996,1cyclictest35-21ksoftirqd/322:55:133
292549996,1cyclictest11871-21apt-get19:40:113
292549994,3cyclictest341rcuc/322:50:133
292549992,6cyclictest9281-21ps20:40:183
292549992,6cyclictest0-21swapper/319:15:013
292549991,8cyclictest341rcuc/323:31:323
292549991,7cyclictest0-21swapper/322:35:273
292549991,0cyclictest3242-21apt-get20:30:123
292549990,8cyclictest21920-21diskmemload22:15:023
292549990,8cyclictest21920-21diskmemload21:25:043
292549990,8cyclictest0-21swapper/319:32:503
292549990,1cyclictest21920-21diskmemload23:45:483
292549990,1cyclictest1466-21ssh22:05:583
292479999,0cyclictest0-21swapper/200:05:112
292479997,1cyclictest28-21ksoftirqd/221:20:142
292369999,0cyclictest9-21ksoftirqd/021:30:110
292369999,0cyclictest9-21ksoftirqd/021:15:000
292369998,1cyclictest9-21ksoftirqd/023:05:000
292369998,1cyclictest9-21ksoftirqd/022:50:140
292369998,1cyclictest9-21ksoftirqd/022:25:180
292369998,1cyclictest9-21ksoftirqd/020:10:000
292369998,1cyclictest9-21ksoftirqd/000:00:160
292369997,1cyclictest9-21ksoftirqd/022:35:120
292369997,1cyclictest9-21ksoftirqd/022:00:000
292369997,1cyclictest9-21ksoftirqd/020:51:550
292369997,1cyclictest9-21ksoftirqd/000:25:170
292369997,1cyclictest2635-21hwlatdetect21:25:160
292369990,6cyclictest0-21swapper/022:10:370
292549988,0cyclictest35-21ksoftirqd/320:35:063
292549988,0cyclictest35-21ksoftirqd/320:15:033
292549988,0cyclictest35-21ksoftirqd/319:55:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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