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2026-01-03 - 05:40
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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 100 highest latencies:
System rack1slot3.osadl.org (updated Sat Jan 03, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
83864999130,11cyclictest0-21swapper/321:00:133
83864999130,11cyclictest0-21swapper/300:25:123
83864999127,1cyclictest0-21swapper/321:45:133
83864999120,1cyclictest0-21swapper/323:40:113
83864999120,11cyclictest0-21swapper/319:35:023
838649991111,0cyclictest0-21swapper/320:35:143
838649991110,0cyclictest0-21swapper/323:45:143
838649991110,0cyclictest0-21swapper/323:15:013
83864999110,8cyclictest0-21swapper/322:40:203
83864999110,10cyclictest0-21swapper/322:50:013
83864999110,10cyclictest0-21swapper/320:54:553
83864999110,10cyclictest0-21swapper/320:20:193
83864999109,0cyclictest0-21swapper/322:50:133
83864999109,0cyclictest0-21swapper/300:30:163
838649991010,0cyclictest0-21swapper/323:35:193
838649991010,0cyclictest0-21swapper/321:30:113
838649991010,0cyclictest0-21swapper/321:10:013
838649991010,0cyclictest0-21swapper/319:10:023
838649991010,0cyclictest0-21swapper/319:10:013
83864999100,9cyclictest0-21swapper/323:30:133
83864999100,9cyclictest0-21swapper/322:25:183
83864999100,9cyclictest0-21swapper/322:05:183
83864999100,9cyclictest0-21swapper/322:00:123
83864999100,8cyclictest0-21swapper/322:10:103
83864999100,0cyclictest0-21swapper/323:50:123
83864999100,0cyclictest0-21swapper/322:35:173
83864999100,0cyclictest0-21swapper/320:00:133
83864999100,0cyclictest0-21swapper/319:50:013
83864999100,0cyclictest0-21swapper/319:45:223
83864999100,0cyclictest0-21swapper/300:40:003
8386499999,0cyclictest0-21swapper/321:39:433
8386499999,0cyclictest0-21swapper/319:30:023
8386499998,0cyclictest0-21swapper/321:55:143
8386499998,0cyclictest0-21swapper/321:50:133
8386499988,0cyclictest0-21swapper/322:55:173
8386499988,0cyclictest0-21swapper/322:30:173
8386499988,0cyclictest0-21swapper/319:25:143
8386499988,0cyclictest0-21swapper/319:15:133
8386499988,0cyclictest0-21swapper/300:18:403
8386499988,0cyclictest0-21swapper/300:10:153
8386499980,7cyclictest0-21swapper/323:55:143
8386499980,7cyclictest0-21swapper/323:26:353
8386499980,7cyclictest0-21swapper/320:45:013
8386499977,0cyclictest0-21swapper/321:20:133
8386499977,0cyclictest0-21swapper/321:10:113
8386499977,0cyclictest0-21swapper/320:15:203
8386499977,0cyclictest0-21swapper/319:20:513
8386499977,0cyclictest0-21swapper/300:00:193
8386499976,0cyclictest0-21swapper/323:20:183
8386499976,0cyclictest0-21swapper/322:15:113
8386499976,0cyclictest0-21swapper/320:45:163
8386499972,4cyclictest0-21swapper/323:19:123
8386499970,5cyclictest0-21swapper/300:20:133
8386499970,0cyclictest0-21swapper/321:25:143
837850271,4sleep30-21swapper/319:05:203
8386499966,0cyclictest0-21swapper/320:30:183
8386499966,0cyclictest0-21swapper/300:10:013
8386499965,0cyclictest0-21swapper/323:05:143
8386499962,4cyclictest0-21swapper/321:19:593
8386499960,5cyclictest0-21swapper/321:40:143
8386499960,4cyclictest0-21swapper/320:55:133
906550250,0sleep10-21swapper/121:55:201
892545250,5sleep00-21swapper/021:24:130
862711250,0sleep10-21swapper/120:05:221
8386499955,0cyclictest0-21swapper/320:05:143
8386499955,0cyclictest0-21swapper/319:55:133
8386499952,1cyclictest0-21swapper/319:40:123
8386499950,4cyclictest0-21swapper/322:20:193
8386499950,3cyclictest0-21swapper/323:00:093
837705250,3sleep2837849-21sed19:05:192
14039850,2rtkit-daemon0-21swapper/119:05:081
970324244,0sleep00-21swapper/000:29:370
949632241,1sleep1949658-21apt-get23:40:111
8386499944,0cyclictest0-21swapper/320:25:143
14039840,2rtkit-daemon769-21ntpd21:40:181
14039840,2rtkit-daemon766-21snmpd22:55:001
14039840,2rtkit-daemon1410-21sendmail-mta00:04:541
14039840,2rtkit-daemon1322-21cron21:20:001
14039840,2rtkit-daemon1-21systemd22:45:371
14039840,2rtkit-daemon1-21systemd22:25:001
14039840,2rtkit-daemon1-21systemd00:34:311
966566230,0sleep20-21swapper/200:20:142
912275230,2sleep2912353-21cut22:10:142
904195230,2sleep0904445-21users21:50:200
884941230,1sleep2884967-21apt-get21:05:152
877010230,1sleep1877036-21apt-get20:45:121
859240230,1sleep0859266-21apt-get20:00:120
845774230,2sleep2845904-21uname19:25:162
8386499930,3cyclictest0-21swapper/320:10:083
836569231,1sleep00-21swapper/019:05:010
14039830,2rtkit-daemon766-21snmpd23:09:451
14039830,2rtkit-daemon691-21gmain23:30:561
14039830,1rtkit-daemon963460-21grep00:10:211
14039830,1rtkit-daemon919954-21/usr/sbin/munin22:30:151
14039830,1rtkit-daemon901589-21latency21:45:161
14039830,1rtkit-daemon840614-21munin-node23:56:501
14039830,1rtkit-daemon840614-21munin-node22:58:521
14039830,1rtkit-daemon840614-21munin-node22:07:381
14039830,1rtkit-daemon840614-21munin-node00:22:021
14039830,1rtkit-daemon772-21lldpd23:37:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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