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2026-06-17 - 14:00
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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 rackeslot8.osadl.org (updated Wed Jun 17, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11403702470,3sleep1321rcuc/120:55:191
11736602330,6sleep0151ktimers/021:20:150
1001718992927,1cyclictest0-21swapper/300:00:013
1001718992724,1cyclictest0-21swapper/323:40:013
1001718992623,1cyclictest0-21swapper/323:10:003
1001718992522,1cyclictest0-21swapper/322:29:593
1001718992320,1cyclictest0-21swapper/322:15:003
1001718992320,1cyclictest0-21swapper/320:30:013
1001718992219,1cyclictest0-21swapper/322:40:353
1001718992219,1cyclictest0-21swapper/320:40:133
1001718992118,1cyclictest0-21swapper/322:20:123
1001718992118,1cyclictest0-21swapper/322:00:263
100171899211,15cyclictest1165497-21taskset21:15:013
1001718992018,1cyclictest0-21swapper/323:45:003
1001718992018,1cyclictest0-21swapper/321:05:183
1001718992018,0cyclictest0-21swapper/321:40:183
1001718992017,1cyclictest0-21swapper/323:20:193
1001718992017,1cyclictest0-21swapper/322:40:003
1001718992017,1cyclictest0-21swapper/321:30:013
1001718992017,1cyclictest0-21swapper/320:10:253
1001718992017,1cyclictest0-21swapper/319:50:233
100171899201,15cyclictest1092724-21chrt20:15:233
100171899201,14cyclictest1035888-21taskset19:34:513
1001718991917,1cyclictest0-21swapper/320:35:013
1001718991916,1cyclictest0-21swapper/323:30:003
1001718991916,1cyclictest0-21swapper/321:35:153
1001718991916,1cyclictest0-21swapper/321:30:533
1001718991916,1cyclictest0-21swapper/319:40:003
1001718991916,1cyclictest0-21swapper/319:15:043
1001718991916,1cyclictest0-21swapper/319:15:033
1001718991916,1cyclictest0-21swapper/300:00:103
100171899191,14cyclictest1375972-21taskset23:30:163
100171899191,14cyclictest1157817-21chrt21:10:113
100171899191,14cyclictest1043002-21taskset19:40:163
10361852181,6sleep0222-21plymouthd19:35:120
100171899188,7cyclictest10293052sleep319:27:013
100171899188,7cyclictest10293052sleep319:27:013
1001718991816,1cyclictest0-21swapper/323:50:233
1001718991816,1cyclictest0-21swapper/323:45:163
1001718991816,1cyclictest0-21swapper/323:15:013
1001718991815,1cyclictest0-21swapper/323:00:143
1001718991815,1cyclictest0-21swapper/321:55:133
1001718991815,1cyclictest0-21swapper/321:50:173
1001718991815,1cyclictest0-21swapper/320:55:003
1001718991815,1cyclictest0-21swapper/320:45:063
1001718991815,1cyclictest0-21swapper/320:25:013
1001718991815,1cyclictest0-21swapper/300:15:193
1001718991815,1cyclictest0-21swapper/300:15:183
1001718991815,1cyclictest0-21swapper/300:05:313
1001718991814,1cyclictest0-21swapper/322:15:213
1001718991814,1cyclictest0-21swapper/321:22:583
100171899181,14cyclictest1304999-21taskset22:45:023
100171899181,14cyclictest1304999-21taskset22:45:013
100171899181,13cyclictest1458638-21taskset00:21:563
100171899181,13cyclictest1438570-21taskset00:10:173
100171899181,13cyclictest1357383-21taskset23:15:403
100171899181,13cyclictest1217525-21taskset21:45:233
100171899181,13cyclictest1144970-21taskset21:00:093
100171899181,13cyclictest1144329-21taskset20:55:533
100171899181,13cyclictest1118722-21taskset20:35:313
100171899181,13cyclictest1073565-21taskset20:00:243
100171899174,10cyclictest10070522sleep319:10:213
1001718991714,1cyclictest0-21swapper/322:05:283
1001718991714,1cyclictest0-21swapper/320:10:013
1001718991714,1cyclictest0-21swapper/319:20:253
1001718991714,1cyclictest0-21swapper/300:30:203
100171899171,13cyclictest1327722-21taskset22:59:243
100171899171,13cyclictest1312989-21taskset22:50:153
100171899171,13cyclictest1067793-21taskset19:58:033
100171899171,12cyclictest1467429-21turbostat00:29:593
100171899171,12cyclictest1287708-21taskset22:30:313
1001718991710,4cyclictest14755172chrt00:35:113
12947632160,11sleep11294809-21ntpq22:35:231
12277012160,2sleep10-21swapper/121:55:121
1001718991613,1cyclictest0-21swapper/319:10:013
100171899161,12cyclictest1049516-21taskset19:45:163
14274012151,5sleep01427408-21ssh00:01:100
13895152151,6sleep21389521-21ssh23:38:422
13673932150,11sleep01367934-21cut23:25:170
10990562152,9sleep01099100-21ntpq20:20:220
13235532140,5sleep21325299-21tr22:55:192
10744062148,3sleep21001712-21cyclictest20:05:012
14821652131,9sleep21482169-21ssh00:37:562
14661332130,9sleep11466139-21ssh00:26:161
13768382130,10sleep01378460-21tr23:30:170
14575372121,8sleep21457580-21gcc00:20:232
14372472121,8sleep11437936-21sed00:10:171
14215392121,8sleep21421716-21if_eno200:00:142
13494412121,8sleep21349614-21/usr/sbin/munin23:10:282
12114802122,7sleep0222-21plymouthd21:43:580
11954822121,8sleep11195487-21sh21:32:281
10619082121,2sleep00-21swapper/019:55:130
14427642110,2sleep0222-21plymouthd00:10:480
14228012110,8sleep11424371-21kthreadcore00:00:171
14046652110,3sleep1222-21plymouthd23:47:561
12290962110,8sleep21230573-21grep21:55:172
9955482101,4sleep20-21swapper/219:05:122
14614372101,6sleep01462568-21kthreadcore00:25:190
13812472101,6sleep11381253-21ssh23:32:191
13722672107,1sleep20-21swapper/223:25:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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