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2025-12-12 - 15:01
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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 (updated Fri Dec 12, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267322212157,43sleep10-21swapper/119:07:031
248422202161,27sleep20-21swapper/219:05:032
269322198159,26sleep30-21swapper/319:09:373
267262198161,24sleep00-21swapper/019:06:570
49722750,0sleep00-21swapper/019:30:010
125902580,0sleep20-21swapper/223:15:072
27078991212,0cyclictest28-21ksoftirqd/222:55:212
27078991210,1cyclictest28-21ksoftirqd/222:10:202
27078991210,1cyclictest28-21ksoftirqd/222:10:202
27078991210,1cyclictest28-21ksoftirqd/220:00:002
2707899119,1cyclictest28-21ksoftirqd/221:00:002
2707899119,1cyclictest28-21ksoftirqd/219:44:592
27078991110,1cyclictest28-21ksoftirqd/223:05:222
2706299119,1cyclictest9-21ksoftirqd/019:15:000
27062991110,1cyclictest9-21ksoftirqd/020:40:000
2706299111,5cyclictest12080-21latency_hist19:45:000
27084991010,0cyclictest35-21ksoftirqd/321:42:133
2707899109,1cyclictest28-21ksoftirqd/223:20:182
2707899109,1cyclictest28-21ksoftirqd/222:55:002
2707899109,1cyclictest28-21ksoftirqd/200:05:232
2707899108,1cyclictest28-21ksoftirqd/200:10:252
27078991010,0cyclictest28-21ksoftirqd/223:04:562
27078991010,0cyclictest28-21ksoftirqd/222:49:472
2707899100,0cyclictest0-21swapper/200:24:492
2707199100,9cyclictest0-21swapper/122:35:161
2706299102,4cyclictest30296-21sed23:40:000
27062991010,0cyclictest0-21swapper/020:20:210
2706299100,7cyclictest19963-21diskmemload00:25:180
270849994,4cyclictest15866-1kworker/u9:122:34:433
270849990,2cyclictest0-21swapper/322:55:143
270789998,1cyclictest28-21ksoftirqd/223:55:162
270789998,1cyclictest28-21ksoftirqd/223:40:222
270789998,1cyclictest28-21ksoftirqd/222:05:192
270789998,1cyclictest28-21ksoftirqd/221:30:202
270789998,1cyclictest28-21ksoftirqd/200:35:272
270789998,1cyclictest28-21ksoftirqd/200:15:002
270789998,0cyclictest28-21ksoftirqd/223:46:402
270789997,1cyclictest28-21ksoftirqd/221:45:172
270789994,4cyclictest1158-21irqstats19:20:182
270629998,1cyclictest9-21ksoftirqd/023:55:310
270629998,1cyclictest9-21ksoftirqd/021:15:010
270629998,1cyclictest9-21ksoftirqd/020:05:130
20467290,0sleep10-21swapper/122:40:141
270849987,1cyclictest19207-21mailstats21:05:263
270849984,2cyclictest254-21systemd-journal23:22:513
270849984,2cyclictest254-21systemd-journal22:04:493
270849984,2cyclictest254-21systemd-journal00:39:563
270849983,2cyclictest254-21systemd-journal23:19:063
270849981,4cyclictest15957-21/usr/sbin/munin00:05:183
270789988,0cyclictest28-21ksoftirqd/221:19:262
270789987,1cyclictest28-21ksoftirqd/223:50:192
270789987,1cyclictest28-21ksoftirqd/223:25:172
270789987,1cyclictest28-21ksoftirqd/222:30:292
270789987,1cyclictest28-21ksoftirqd/222:20:152
270789987,1cyclictest28-21ksoftirqd/222:15:202
270789987,1cyclictest28-21ksoftirqd/221:55:232
270789987,1cyclictest28-21ksoftirqd/221:26:252
270789987,1cyclictest28-21ksoftirqd/221:10:132
270789986,1cyclictest60950irq/123-eno121:40:192
270789986,1cyclictest60950irq/123-eno120:45:232
270789986,1cyclictest28-21ksoftirqd/222:40:142
270789986,1cyclictest28-21ksoftirqd/222:30:002
270789986,1cyclictest28-21ksoftirqd/200:00:182
270789980,1cyclictest30368-21apt-get00:25:152
270719981,4cyclictest0-21swapper/122:10:121
270719981,4cyclictest0-21swapper/122:10:121
270719981,3cyclictest0-21swapper/123:01:331
270719980,5cyclictest0-21swapper/120:20:121
270629987,1cyclictest9-21ksoftirqd/021:50:010
270629986,1cyclictest9-21ksoftirqd/021:26:570
270629986,1cyclictest9-21ksoftirqd/020:20:010
270629986,1cyclictest9-21ksoftirqd/020:05:000
270629986,1cyclictest557-21nscd19:36:110
270629985,1cyclictest12176-21ssh21:41:050
270629983,2cyclictest254-21systemd-journal23:01:500
270629982,1cyclictest2790-21/usr/sbin/munin21:30:170
270629980,1cyclictest254-21systemd-journal22:55:200
270849976,1cyclictest24414-21ntpq00:15:223
270849975,1cyclictest8969-21ssh22:24:063
270849975,1cyclictest13630-21ssh21:45:043
270849975,1cyclictest12301-21ssh22:28:283
270849974,1cyclictest278-21systemd-udevd22:11:093
270849974,1cyclictest278-21systemd-udevd22:11:083
270849974,1cyclictest278-21systemd-udevd00:23:093
270849974,1cyclictest254-21systemd-journal22:51:503
270849974,0cyclictest19963-21diskmemload23:50:593
270849972,3cyclictest8893-21/usr/sbin/munin23:55:253
270849971,4cyclictest742-21runrttasks21:38:513
270849971,4cyclictest19913-21/usr/sbin/munin23:25:193
270849971,3cyclictest0-21swapper/322:45:113
270849970,6cyclictest852-21sh20:30:003
270849970,4cyclictest19963-21diskmemload21:20:563
270849970,2cyclictest0-21swapper/323:44:593
270789977,0cyclictest28-21ksoftirqd/220:40:142
270789976,1cyclictest28-21ksoftirqd/223:10:192
270789976,1cyclictest0-21swapper/219:50:182
270789975,1cyclictest60950irq/123-eno123:30:122
270789975,1cyclictest28-21ksoftirqd/222:35:152
270789975,1cyclictest28-21ksoftirqd/221:50:192
270789975,1cyclictest28-21ksoftirqd/220:25:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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