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2025-12-05 - 06:35
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackeslot8.osadl.org (updated Fri Dec 05, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20744422910,1sleep00-21swapper/021:40:150
1875927992522,1cyclictest0-21swapper/321:00:213
1875927992421,1cyclictest0-21swapper/321:30:003
1875927992219,1cyclictest0-21swapper/320:25:133
1875927992219,1cyclictest0-21swapper/320:00:013
1875927992219,1cyclictest0-21swapper/300:08:263
1875927992218,1cyclictest0-21swapper/320:35:013
1875927992118,1cyclictest0-21swapper/320:40:003
1875927992118,1cyclictest0-21swapper/300:00:003
1875927992117,1cyclictest60950irq/168-eno2:tx-322:20:003
187592799203,13cyclictest2251351-21turbostat23:30:003
187592799203,13cyclictest2251351-21turbostat23:30:003
1875927992017,1cyclictest0-21swapper/323:15:223
1875927992017,1cyclictest0-21swapper/322:45:163
1875927992017,1cyclictest0-21swapper/319:45:183
1875927991917,1cyclictest0-21swapper/319:15:013
1875927991916,1cyclictest0-21swapper/322:37:233
187592799191,14cyclictest2210978-21turbostat23:05:013
187592799191,13cyclictest1897247-21chrt19:25:013
1875927991815,1cyclictest0-21swapper/321:57:233
1875927991815,1cyclictest0-21swapper/319:15:003
187592799181,14cyclictest2217722-21taskset23:06:583
187592799181,13cyclictest2332545-21turbostat00:20:003
187592799181,13cyclictest2138466-21taskset22:20:013
187592799181,13cyclictest2080440-21taskset21:42:463
187592799181,12cyclictest2340995-21taskset00:25:023
1875927991714,1cyclictest0-21swapper/322:55:253
1875927991714,1cyclictest0-21swapper/322:05:193
1875927991714,1cyclictest0-21swapper/321:35:153
1875927991714,1cyclictest0-21swapper/321:10:003
1875927991714,1cyclictest0-21swapper/320:45:013
1875927991714,1cyclictest0-21swapper/319:20:213
1875927991714,1cyclictest0-21swapper/300:20:173
187592799171,12cyclictest2316916-21chrt00:10:143
187592799171,12cyclictest2306797-21taskset00:01:203
187592799171,12cyclictest2289761-21taskset23:50:233
187592799171,12cyclictest2267796-21taskset23:40:143
187592799171,12cyclictest2091843-21taskset21:50:163
187592799171,12cyclictest2006936-21taskset20:50:213
187592799170,9cyclictest1915835-21taskset19:39:573
23083992161,11sleep12308442-21sh00:05:001
21575012161,8sleep12159565-21grep22:30:231
21315672166,7sleep12132683-21cut22:15:161
187592799166,7cyclictest23550452sleep300:30:433
1875927991613,1cyclictest0-21swapper/320:20:183
1875927991612,1cyclictest0-21swapper/321:21:283
187592799161,12cyclictest2282928-21chrt23:47:503
187592799161,12cyclictest2257383-21taskset23:30:283
187592799161,12cyclictest2225768-21chrt23:11:553
187592799161,12cyclictest2191873-21taskset22:50:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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