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2025-11-23 - 06:30
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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 Nov 23, 2025 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61242216150,23sleep20-21swapper/219:09:202
59762207156,25sleep00-21swapper/019:07:250
61012201163,25sleep10-21swapper/119:09:031
58382199162,24sleep30-21swapper/319:05:393
214722610,0sleep20-21swapper/221:38:052
134452600,0sleep10-21swapper/123:44:211
319892220,0sleep10-21swapper/122:39:001
81162150,1sleep38123-21timerwakeupswit00:20:243
626399143,5cyclictest32420-21diskmemload21:15:000
269772130,0sleep20-21swapper/221:45:182
322832120,0sleep00-21swapper/020:00:150
627899115,5cyclictest125542sleep200:27:372
626399113,4cyclictest29255-21cat21:50:000
626399108,1cyclictest9-21ksoftirqd/023:47:000
626399108,1cyclictest9-21ksoftirqd/021:05:010
626399102,4cyclictest25713-21cut21:45:000
303952100,0sleep00-21swapper/000:06:280
62869990,6cyclictest19881-1kworker/u9:223:55:143
62869990,6cyclictest0-21swapper/300:11:023
62869990,4cyclictest1497-21sendmail-mta23:20:133
62789996,1cyclictest28-21ksoftirqd/220:55:002
62789994,1cyclictest32420-21diskmemload21:55:132
62789990,6cyclictest32420-21diskmemload21:20:002
62639998,1cyclictest9-21ksoftirqd/022:30:000
62639995,3cyclictest9-21ksoftirqd/021:52:190
62639994,3cyclictest254-21systemd-journal21:40:010
62639991,0cyclictest32420-21diskmemload22:20:130
62869984,2cyclictest0-21swapper/321:15:203
62869980,4cyclictest0-21swapper/321:47:113
62789987,0cyclictest28-21ksoftirqd/200:11:342
62789986,1cyclictest60950irq/123-eno122:50:192
62789986,1cyclictest60950irq/123-eno122:05:202
62789986,1cyclictest60950irq/123-eno120:45:222
62789982,4cyclictest0-21swapper/223:15:272
62789980,6cyclictest0-21swapper/221:11:052
62789980,2cyclictest0-21swapper/221:21:042
62709980,6cyclictest0-21swapper/121:40:131
62639981,6cyclictest7655-21ssh22:50:160
62639980,7cyclictest5835-21ssh22:46:240
62639980,7cyclictest24716-21ssh00:00:070
62639980,7cyclictest2014-21ssh22:40:270
62639980,1cyclictest254-21systemd-journal23:40:010
62639980,1cyclictest21953-21apt-get19:40:140
1228280,0sleep032420-21diskmemload00:10:320
62869976,1cyclictest35-21ksoftirqd/323:10:213
62869975,1cyclictest27686-21ssh22:31:313
62869975,1cyclictest27686-21ssh22:31:313
62869975,1cyclictest22001-21sshd22:25:093
62869973,3cyclictest32420-21diskmemload22:19:393
62869973,2cyclictest32420-21diskmemload23:50:183
62869973,2cyclictest254-21systemd-journal21:45:003
62869973,2cyclictest254-21systemd-journal21:36:573
62869972,3cyclictest32420-21diskmemload21:12:253
62869972,1cyclictest7281-21ssh22:50:143
62869972,1cyclictest12589-21ntpq21:25:193
62869970,5cyclictest0-21swapper/322:00:353
62869970,5cyclictest0-21swapper/321:33:133
62869970,4cyclictest254-21systemd-journal20:00:003
62869970,4cyclictest15654-21unixbench_multi23:45:223
62869970,3cyclictest0-21swapper/323:27:083
62789976,1cyclictest60950irq/123-eno123:10:462
62789976,1cyclictest60950irq/123-eno123:09:322
62789976,1cyclictest60950irq/123-eno122:43:532
62789976,1cyclictest60950irq/123-eno122:31:382
62789976,1cyclictest60950irq/123-eno122:31:372
62789976,1cyclictest60950irq/123-eno122:25:172
62789976,1cyclictest60950irq/123-eno122:19:572
62789976,1cyclictest60950irq/123-eno121:26:492
62789976,1cyclictest60950irq/123-eno100:35:162
62789976,0cyclictest60950irq/123-eno122:57:342
62789976,0cyclictest60950irq/123-eno121:31:152
62789975,1cyclictest8336-21ssh00:20:262
62789975,1cyclictest60950irq/123-eno123:55:162
62789975,1cyclictest60950irq/123-eno123:40:142
62789975,1cyclictest60950irq/123-eno123:35:202
62789975,1cyclictest60950irq/123-eno123:00:142
62789975,1cyclictest60950irq/123-eno121:50:162
62789975,1cyclictest60950irq/123-eno100:15:192
62789975,1cyclictest31282-21ssh22:36:432
62789974,2cyclictest61612sleep222:00:252
62789973,2cyclictest570-21systemd-logind21:00:202
62789973,0cyclictest32420-21diskmemload23:50:132
62789972,4cyclictest11661-21perf19:20:012
62789970,6cyclictest0-21swapper/219:35:142
62789970,4cyclictest4726-21sed22:45:162
62789970,1cyclictest0-21swapper/200:31:192
62709970,5cyclictest0-21swapper/122:41:021
62709970,4cyclictest0-21swapper/123:35:041
62709970,4cyclictest0-21swapper/122:25:181
62709970,4cyclictest0-21swapper/120:25:151
62709970,3cyclictest0-21swapper/123:16:281
62639976,1cyclictest9-21ksoftirqd/020:59:590
62639976,1cyclictest9-21ksoftirqd/020:25:000
62639976,1cyclictest742-21runrttasks22:35:300
62639976,1cyclictest24882-1kworker/u9:022:30:440
62639976,1cyclictest24882-1kworker/u9:022:30:440
62639976,1cyclictest10210-21ssh23:40:010
62639975,1cyclictest32420-21diskmemload00:25:130
62639975,1cyclictest25199-21cat19:45:160
62639975,1cyclictest16431-21nscd21:22:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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