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2026-05-07 - 03:09
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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 rack1slot3.osadl.org (updated Thu May 07, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231689699140,12cyclictest0-21swapper/319:55:113
231689699140,12cyclictest0-21swapper/300:10:113
231689699120,11cyclictest0-21swapper/322:50:123
231689699120,11cyclictest0-21swapper/320:50:163
231689699120,11cyclictest0-21swapper/319:20:003
2316896991111,0cyclictest0-21swapper/323:30:133
2316896991110,0cyclictest0-21swapper/322:20:103
2316896991110,0cyclictest0-21swapper/321:10:123
2316896991110,0cyclictest0-21swapper/300:15:123
231689699110,1cyclictest0-21swapper/319:35:113
231689699110,11cyclictest0-21swapper/321:05:183
231689699110,10cyclictest0-21swapper/323:55:013
231689699110,10cyclictest0-21swapper/323:10:163
231689699110,10cyclictest0-21swapper/321:55:013
231689699110,10cyclictest0-21swapper/321:29:563
231689699110,10cyclictest0-21swapper/320:15:403
231689699110,10cyclictest0-21swapper/300:35:203
231689699110,0cyclictest0-21swapper/320:49:523
231689699109,1cyclictest0-21swapper/320:25:123
231689699109,0cyclictest0-21swapper/322:40:113
2316896991010,0cyclictest0-21swapper/323:35:163
2316896991010,0cyclictest0-21swapper/323:25:183
2316896991010,0cyclictest0-21swapper/322:30:123
2316896991010,0cyclictest0-21swapper/321:30:153
2316896991010,0cyclictest0-21swapper/321:00:133
2316896991010,0cyclictest0-21swapper/320:00:543
2316896991010,0cyclictest0-21swapper/319:35:003
231689699100,9cyclictest0-21swapper/322:55:133
231689699100,0cyclictest0-21swapper/323:15:123
231689699100,0cyclictest0-21swapper/321:45:013
231689699100,0cyclictest0-21swapper/321:20:013
231689699100,0cyclictest0-21swapper/300:10:003
23164122101,6sleep30-21swapper/319:05:473
23168969999,0cyclictest0-21swapper/322:35:183
23168969999,0cyclictest0-21swapper/322:35:183
23168969999,0cyclictest0-21swapper/319:20:173
23168969999,0cyclictest0-21swapper/300:00:003
23168969998,0cyclictest0-21swapper/323:00:143
23168969998,0cyclictest0-21swapper/322:15:183
23168969998,0cyclictest0-21swapper/321:45:113
23168969990,8cyclictest0-21swapper/323:20:183
23168969990,8cyclictest0-21swapper/300:25:163
23168969988,0cyclictest0-21swapper/322:25:123
23168969988,0cyclictest0-21swapper/320:40:163
23168969988,0cyclictest0-21swapper/320:35:013
23168969988,0cyclictest0-21swapper/300:00:013
23168969987,1cyclictest0-21swapper/323:05:183
23168969987,1cyclictest0-21swapper/321:55:123
23168969987,0cyclictest0-21swapper/322:00:133
23168969986,1cyclictest0-21swapper/321:20:123
23168969980,8cyclictest0-21swapper/320:55:183
23168969977,0cyclictest0-21swapper/322:15:003
23168969970,7cyclictest0-21swapper/300:20:203
23168969970,6cyclictest0-21swapper/323:48:293
23168969970,0cyclictest0-21swapper/319:15:003
23168969966,0cyclictest0-21swapper/322:05:183
23168969965,0cyclictest0-21swapper/319:25:163
23168969955,0cyclictest0-21swapper/323:40:183
23168969955,0cyclictest0-21swapper/319:50:093
23168969955,0cyclictest0-21swapper/319:40:113
23168969951,2cyclictest0-21swapper/319:45:113
2316047251,2sleep20-21swapper/219:05:192
2381728240,3sleep02381730-21ssh21:51:280
2363499243,1sleep02334537-21kworker/0:0+events21:09:370
23168969944,0cyclictest0-21swapper/321:35:553
23168969944,0cyclictest0-21swapper/320:35:113
23168969944,0cyclictest0-21swapper/320:10:113
23168969944,0cyclictest0-21swapper/320:05:153
23168969944,0cyclictest0-21swapper/300:30:073
23168969943,0cyclictest0-21swapper/320:20:113
23168969941,2cyclictest0-21swapper/322:45:123
2316602242,1sleep10-21swapper/119:08:151
2439767230,2sleep22439342-21/usr/sbin/munin00:10:142
2412325230,2sleep02412467-21wc23:05:160
2314832231,0sleep00-21swapper/019:05:010
2450665220,1sleep22450815-21ntp_states00:35:162
2449618220,1sleep00-21swapper/000:35:010
2447696220,1sleep20-21swapper/200:30:122
2445720220,1sleep02446021-21cstates00:25:130
2436147220,1sleep00-21swapper/000:00:200
2434635220,1sleep12434717-21munin-run00:00:011
2432827220,1sleep20-21swapper/223:55:132
2431341220,1sleep22431491-21ntp_states23:50:172
2424402220,1sleep22424469-21cut23:35:122
2423623220,0sleep00-21swapper/023:30:220
2418225220,1sleep02418430-21grep23:20:130
2410114220,1sleep10-21swapper/123:00:171
2403849220,1sleep12404000-21/usr/sbin/munin22:45:161
2397164220,1sleep02397433-21diskstats22:30:140
2396469220,1sleep00-21swapper/022:27:340
2390784220,1sleep02390972-21cat22:15:130
2390475220,1sleep02390486-21dump-pmu-power22:15:010
2385106220,1sleep22385256-21ntp_states22:00:182
2383393220,1sleep02383675-21users21:55:200
2383127220,1sleep22383239-21ps21:55:182
2373813220,1sleep10-21swapper/121:35:121
2367824220,0sleep22367851-21apt-get21:20:122
2360416220,1sleep02360550-21cat21:00:160
2339437220,1sleep02339607-21ntpq20:05:170
2336680220,1sleep20-21swapper/220:00:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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