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2026-05-02 - 04:02
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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 Sat May 02, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30157982700,2sleep0221rcuc/021:25:180
28548562280,1sleep30-21swapper/319:20:573
2833815992723,2cyclictest2945177-21turbostat20:34:593
2833815992623,1cyclictest0-21swapper/323:55:013
2833815992623,1cyclictest0-21swapper/323:05:173
2833815992623,1cyclictest0-21swapper/320:20:003
2833815992622,1cyclictest0-21swapper/300:10:183
2833815992522,1cyclictest0-21swapper/320:10:003
2833815992521,1cyclictest0-21swapper/320:15:003
2833815992321,1cyclictest0-21swapper/322:20:013
2833815992320,1cyclictest0-21swapper/300:29:593
283381599212,14cyclictest2861463-21taskset19:28:233
2833815992118,1cyclictest0-21swapper/322:50:233
2833815992118,1cyclictest0-21swapper/321:20:043
2833815992118,1cyclictest0-21swapper/321:00:013
2833815992118,1cyclictest0-21swapper/320:20:013
2833815992118,1cyclictest0-21swapper/320:20:003
2833815992017,1cyclictest0-21swapper/323:04:323
2833815992017,1cyclictest0-21swapper/300:30:123
2833815992017,1cyclictest0-21swapper/300:00:003
283381599201,15cyclictest3220772-21taskset23:35:213
283381599201,14cyclictest3215071-21turbostat23:35:003
283381599201,14cyclictest3145372-21taskset22:49:563
283381599201,14cyclictest2887271-21taskset19:49:553
2833815991916,1cyclictest0-21swapper/323:44:273
2833815991916,1cyclictest0-21swapper/321:35:003
2833815991915,1cyclictest0-21swapper/300:00:283
283381599191,14cyclictest3267873-21taskset00:05:333
283381599191,14cyclictest3066219-21taskset21:55:393
283381599191,14cyclictest3066219-21taskset21:55:383
283381599191,14cyclictest2949657-21taskset20:35:173
283381599191,13cyclictest3199550-21taskset23:24:563
2833815991816,1cyclictest0-21swapper/320:05:013
2833815991815,1cyclictest0-21swapper/322:40:023
2833815991815,1cyclictest0-21swapper/321:10:003
2833815991815,1cyclictest0-21swapper/319:35:163
283381599181,13cyclictest3313868-21taskset00:35:193
283381599181,13cyclictest3283487-21taskset00:15:553
283381599181,13cyclictest3204969-21taskset23:25:203
283381599181,13cyclictest3191319-21taskset23:18:383
283381599181,13cyclictest3181982-21taskset23:10:203
283381599181,13cyclictest3160805-21taskset22:59:503
283381599181,13cyclictest3122401-21taskset22:35:083
283381599181,13cyclictest3121011-21taskset22:31:443
283381599181,13cyclictest3113909-21taskset22:28:393
283381599181,13cyclictest3075058-21taskset22:03:453
283381599181,13cyclictest3075058-21taskset22:03:443
283381599181,13cyclictest3059871-21taskset21:54:553
283381599181,13cyclictest3051642-21taskset21:48:223
283381599181,13cyclictest3043342-21taskset21:41:403
283381599181,13cyclictest3036001-21taskset21:37:513
283381599181,13cyclictest2983665-21taskset21:03:003
283381599181,13cyclictest2957842-21taskset20:41:513
283381599181,13cyclictest2899871-21taskset19:55:453
283381599181,13cyclictest2893651-21taskset19:53:003
283381599181,13cyclictest2879022-21taskset19:40:163
283381599181,13cyclictest2848012-21taskset19:15:243
32595372170,7sleep13259584-21ntpq00:00:231
283381599172,12cyclictest3292497-21taskset00:24:253
2833815991715,1cyclictest0-21swapper/319:10:183
2833815991714,1cyclictest0-21swapper/322:20:053
2833815991714,1cyclictest0-21swapper/320:50:013
283381599171,13cyclictest3089480-21taskset22:10:313
283381599171,12cyclictest3076002-21taskset22:05:143
283381599171,12cyclictest3076002-21taskset22:05:133
283381599171,12cyclictest3019904-21taskset21:26:053
283381599171,12cyclictest2996698-21taskset21:11:173
283381599161,12cyclictest2998259-21taskset21:15:093
283381599161,12cyclictest2970754-21taskset20:52:173
283381599161,12cyclictest2938449-21taskset20:25:513
283381599161,12cyclictest2867719-21taskset19:31:383
283381599161,11cyclictest3230865-21taskset23:45:043
283381599161,11cyclictest3230865-21taskset23:45:033
129998160,1rtkit-daemon0-21swapper/221:14:552
29716942156,6sleep12972573-21sed20:55:161
28928382151,5sleep12892878-21ntpq19:50:231
28735742141,10sleep22873675-21mailstats19:35:242
32905222131,9sleep00-21swapper/000:20:220
32542272131,2sleep20-21swapper/200:00:122
32149502131,2sleep10-21swapper/123:34:451
31536642131,9sleep23153854-21ls22:55:172
29378222131,9sleep02937861-21/usr/sbin/munin20:25:210
129998130,9rtkit-daemon3237254-21ssh23:46:530
129998130,9rtkit-daemon3237254-21ssh23:46:520
129998130,9rtkit-daemon2839810-21chrt19:10:582
129998130,8rtkit-daemon2979385-21cat21:00:172
29892912120,9sleep02989340-21ntpq21:05:220
29845042120,2sleep20-21swapper/221:05:152
29725742120,9sleep22973595-21cut20:55:172
28829772120,9sleep22884752-21grep19:45:262
129998120,8rtkit-daemon3027617-21ssh21:30:462
129998120,4rtkit-daemon1000-21snmpd21:37:402
32926602111,7sleep13292670-21cron00:25:001
32837832110,3sleep13283789-21ssh00:16:461
32519902111,7sleep23252189-21/usr/sbin/munin23:55:272
31921482112,5sleep0222-21plymouthd23:20:130
31285242110,8sleep23128528-21ssh22:36:052
30753732110,4sleep13075380-21ssh22:04:451
30753732110,4sleep13075380-21ssh22:04:451
30661752110,1sleep00-21swapper/021:55:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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