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2025-11-27 - 04:05
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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 rack5slot2.osadl.org (updated Thu Nov 27, 2025 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89862205189,11sleep10-21swapper/119:08:431
88142197180,12sleep30-21swapper/319:06:303
87642187169,13sleep00-21swapper/019:05:500
8962210486,13sleep20-21swapper/219:08:242
65862440,0sleep20-21swapper/223:55:092
114072410,0sleep10-21swapper/121:15:071
65622400,0sleep10-21swapper/100:27:031
65622400,0sleep10-21swapper/100:27:031
196802390,0sleep20-21swapper/223:12:172
294412120,0sleep10-21swapper/122:11:591
924699113,4cyclictest24255-21awk22:10:000
2655290,0sleep10-21swapper/123:20:121
2058290,0sleep10-21swapper/123:52:231
92559970,6cyclictest0-21swapper/220:20:102
92559960,1cyclictest22553-21run-parts20:45:182
92469960,3cyclictest19195-21perf22:40:000
92599955,0cyclictest11827-21kworker/3:200:34:353
92599950,5cyclictest0-21swapper/322:28:093
92599950,5cyclictest0-21swapper/320:55:013
92599950,5cyclictest0-21swapper/300:07:143
92599950,4cyclictest21574-21sh23:13:293
92599950,4cyclictest1828-21/usr/sbin/munin00:25:183
92599950,4cyclictest1828-21/usr/sbin/munin00:25:173
92599950,4cyclictest16935-21apt-get21:50:123
92599950,2cyclictest0-21swapper/300:15:153
92559950,5cyclictest29387-21rm23:00:302
92559950,5cyclictest0-21swapper/223:41:222
92559950,5cyclictest0-21swapper/223:17:302
92559950,5cyclictest0-21swapper/222:56:122
92559950,5cyclictest0-21swapper/222:30:152
92559950,0cyclictest3831-21ssh23:36:522
92509955,0cyclictest0-21swapper/123:31:351
92509950,5cyclictest0-21swapper/123:48:101
92509950,5cyclictest0-21swapper/120:25:021
92509950,5cyclictest0-21swapper/100:15:211
92509950,5cyclictest0-21swapper/100:03:181
92469955,0cyclictest0-21swapper/023:59:060
92469954,1cyclictest21477-21rm23:13:250
92469951,4cyclictest32193-21basename19:55:010
92469951,2cyclictest0-21swapper/021:45:120
92469950,5cyclictest0-21swapper/023:04:320
92469950,5cyclictest0-21swapper/021:30:330
92469950,5cyclictest0-21swapper/021:26:550
92469950,5cyclictest0-21swapper/019:30:110
92469950,5cyclictest0-21swapper/000:07:240
92469950,4cyclictest30206-21hddtemp_smartct21:40:130
92599944,0cyclictest11827-21kworker/3:223:16:123
92599944,0cyclictest0-21swapper/323:47:363
92599944,0cyclictest0-21swapper/300:35:193
92599943,1cyclictest24770-21/usr/sbin/munin22:10:193
92599942,1cyclictest21056-21/usr/sbin/munin20:45:113
92599942,1cyclictest15105-21/usr/sbin/munin19:20:163
92599941,2cyclictest0-21swapper/322:30:153
92599941,1cyclictest0-21swapper/320:50:103
92599941,1cyclictest0-21swapper/320:00:133
92599940,4cyclictest21604-21apt-get21:20:103
92599940,4cyclictest18098-21df_inode19:25:133
92599940,4cyclictest15559-21perl22:05:153
92599940,4cyclictest12132-21ssh23:40:503
92599940,4cyclictest0-21swapper/323:30:143
92599940,4cyclictest0-21swapper/323:26:463
92599940,4cyclictest0-21swapper/323:20:093
92599940,4cyclictest0-21swapper/323:05:103
92599940,4cyclictest0-21swapper/322:51:123
92599940,4cyclictest0-21swapper/321:33:533
92599940,4cyclictest0-21swapper/320:34:583
92599940,4cyclictest0-21swapper/300:20:023
92599940,4cyclictest0-21swapper/300:10:113
92599940,3cyclictest9273-21sh22:01:533
92599940,3cyclictest8367-21ntp_states21:45:183
92599940,3cyclictest8283-21sh22:17:473
92599940,3cyclictest7421-21/usr/sbin/munin20:10:223
92599940,3cyclictest5095-21ssh23:37:403
92599940,3cyclictest32226-21ntp_states21:05:183
92599940,3cyclictest30165-21hddtemp_smartct23:50:173
92599940,3cyclictest29557-21tr21:40:113
92599940,3cyclictest28338-21/usr/sbin/munin19:45:143
92599940,3cyclictest26820-21apt-config21:55:013
92599940,3cyclictest26680-21sh22:43:273
92599940,3cyclictest2640-21ssh21:10:173
92599940,3cyclictest22810-21ssh21:36:163
92599940,3cyclictest20251-21ssh00:01:133
92599940,3cyclictest1832-21sh23:03:353
92599940,3cyclictest18111-21sh21:18:083
92599940,3cyclictest17939-21ssh22:39:153
92599940,3cyclictest10741-21hwlatdetect20:15:163
92599940,3cyclictest10399-21sh23:56:243
92599940,3cyclictest0-21swapper/322:20:123
92599940,1cyclictest29764-21ntp_states21:00:183
92599940,1cyclictest12388-21/usr/sbin/munin20:20:103
92559944,0cyclictest0-21swapper/223:45:522
92559944,0cyclictest0-21swapper/200:15:172
92559943,1cyclictest0-21swapper/223:09:222
92559942,2cyclictest714-21snmpd19:24:312
92559942,1cyclictest15664-21ssh22:21:082
92559941,3cyclictest714-21snmpd22:44:442
92559941,2cyclictest13507-21cat19:15:152
92559940,4cyclictest26093-21memory19:40:152
92559940,4cyclictest1835-21apt-get00:25:132
92559940,4cyclictest1835-21apt-get00:25:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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