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2025-12-15 - 04:11
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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 rack8slot4.osadl.org (updated Mon Dec 15, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1190692232178,18sleep50-21swapper/519:09:455
1190542229174,43sleep10-21swapper/119:09:321
1188442229173,17sleep60-21swapper/619:06:326
1190682224169,16sleep40-21swapper/419:09:444
1188472222169,41sleep00-21swapper/019:06:340
1187732222167,18sleep30-21swapper/319:05:333
1189852216170,15sleep70-21swapper/719:08:347
1189912207180,17sleep20-21swapper/219:08:382
119334993427,6cyclictest0-21swapper/519:30:015
119331993325,7cyclictest130646-21sh19:30:014
11933499320,31cyclictest288745-21idleruntime-cro00:20:015
11934199310,30cyclictest269573-21apt23:45:027
11933499310,30cyclictest182614-21dump-pmu-power21:05:015
11933499310,0cyclictest0-21swapper/519:38:165
11932699310,3cyclictest236803-21apt-key22:45:012
11932099310,30cyclictest210178-21apt-get21:58:180
11934199300,29cyclictest253410-21munin-run23:15:017
11934199300,29cyclictest0-21swapper/721:38:167
11934199300,28cyclictest0-21swapper/721:53:167
11933799300,2cyclictest171839-21idleruntime-cro20:45:016
11933499300,29cyclictest0-21swapper/520:40:015
11933499300,1cyclictest297469-21apt-get00:38:175
119328993028,1cyclictest153363-21apt-get20:13:183
119328993028,1cyclictest0-21swapper/322:23:173
11932899300,29cyclictest164400-21apt-get20:33:183
11932899300,29cyclictest0-21swapper/320:03:163
11932699300,29cyclictest231987-21apt-get22:38:172
11932299300,29cyclictest275587-21apt-get23:58:171
11932299300,29cyclictest275587-21apt-get23:58:161
11932299300,29cyclictest158173-21apt-config20:20:021
11932299300,29cyclictest0-21swapper/120:00:021
11932299300,29cyclictest0-21swapper/100:13:171
11932099300,2cyclictest204161-21dump-pmu-power21:45:000
11932099300,29cyclictest136295-21dump-pmu-power19:40:010
11932099300,29cyclictest0-21swapper/021:15:020
11934199290,28cyclictest0-21swapper/719:53:177
11934199290,1cyclictest0-21swapper/723:05:017
119337992926,2cyclictest294138-21turbostat.cron00:30:026
11933799290,28cyclictest191341-21apt-get21:23:166
11933799290,28cyclictest0-21swapper/623:58:176
11933799290,28cyclictest0-21swapper/623:58:176
11933799290,28cyclictest0-21swapper/622:48:166
11933799290,28cyclictest0-21swapper/621:28:166
11933799290,28cyclictest0-21swapper/619:13:126
11933799290,1cyclictest261498-21munin-run23:30:016
11933799290,1cyclictest167087-21apt-get20:38:156
119334992927,1cyclictest240586-21apt-get22:53:165
11933499290,28cyclictest0-21swapper/500:33:155
11933499290,28cyclictest0-21swapper/500:28:175
11933499290,1cyclictest0-21swapper/521:18:165
119331992928,1cyclictest0-21swapper/420:40:014
119331992927,1cyclictest292097-21apt-get00:28:174
119331992924,1cyclictest0-21swapper/422:58:184
11933199290,28cyclictest229295-21apt-get22:33:154
11933199290,28cyclictest0-21swapper/421:18:164
11933199290,28cyclictest0-21swapper/419:23:164
11933199290,28cyclictest0-21swapper/419:23:164
119328992927,1cyclictest0-21swapper/321:43:183
11932899290,28cyclictest239686-21apt-get22:50:013
11932899290,1cyclictest237645-21apt-get22:48:163
11932899290,0cyclictest0-21swapper/319:48:173
119326992927,1cyclictest239751-21unin-run22:50:012
11932699290,28cyclictest0-21swapper/223:23:172
11932699290,28cyclictest0-21swapper/222:00:012
11932699290,28cyclictest0-21swapper/220:53:152
11932699290,28cyclictest0-21swapper/220:13:182
11932699290,1cyclictest0-21swapper/220:08:152
11932299290,28cyclictest0-21swapper/123:18:171
11932299290,28cyclictest0-21swapper/122:28:181
11932299290,28cyclictest0-21swapper/122:23:181
11932299290,28cyclictest0-21swapper/119:20:021
11932299290,28cyclictest0-21swapper/119:20:021
11932299290,1cyclictest274939-21sh23:55:011
11932299290,1cyclictest231342-21apt22:35:001
11932299290,1cyclictest190680-21turbostat.cron21:20:001
119320992927,1cyclictest0-21swapper/019:55:020
119320992925,3cyclictest261487-21latency_hist23:30:010
11932099290,28cyclictest0-21swapper/022:25:010
11932099290,1cyclictest239759-21apt-key22:50:010
119341992827,1cyclictest0-21swapper/720:33:177
11934199280,27cyclictest0-21swapper/720:23:177
11934199280,0cyclictest0-21swapper/719:58:177
11934199280,0cyclictest0-21swapper/719:30:037
11933799280,27cyclictest0-21swapper/621:53:166
11933799280,1cyclictest0-21swapper/622:38:176
119334992827,1cyclictest681-21dbus-daemon22:50:005
119334992827,1cyclictest0-21swapper/520:03:175
119334992825,0cyclictest0-21swapper/522:58:185
119331992827,1cyclictest0-21swapper/400:33:144
11933199280,27cyclictest0-21swapper/400:13:184
11933199280,1cyclictest194031-21apt-get21:28:164
119328992827,1cyclictest0-21swapper/323:43:163
119328992827,1cyclictest0-21swapper/321:38:153
119328992827,1cyclictest0-21swapper/320:08:163
119328992827,0cyclictest0-21swapper/321:48:163
119328992826,1cyclictest220952-21apt-get22:18:193
119328992826,1cyclictest0-21swapper/322:28:173
11932899280,28cyclictest0-21swapper/300:00:003
11932899280,28cyclictest0-21swapper/300:00:003
119326992828,0cyclictest0-21swapper/219:28:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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