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2026-09-08 - 05:49
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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 Tue Sep 08, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
326591799140,12cyclictest0-21swapper/300:25:123
3265917991310,1cyclictest0-21swapper/319:50:143
326591799130,11cyclictest0-21swapper/321:50:113
326591799130,11cyclictest0-21swapper/321:40:133
3265917991211,0cyclictest0-21swapper/319:50:003
326591799120,1cyclictest3289823-21taskset20:10:113
326591799120,1cyclictest0-21swapper/319:20:103
326591799120,11cyclictest0-21swapper/323:50:173
326591799120,11cyclictest0-21swapper/323:25:143
326591799120,11cyclictest0-21swapper/322:25:013
326591799120,11cyclictest0-21swapper/300:20:183
326591799120,11cyclictest0-21swapper/300:05:183
3265917991111,0cyclictest0-21swapper/300:30:163
3265917991110,0cyclictest0-21swapper/322:40:123
326591799110,8cyclictest0-21swapper/320:20:173
326591799110,10cyclictest0-21swapper/323:20:013
326591799110,10cyclictest0-21swapper/322:30:173
326591799110,10cyclictest0-21swapper/322:15:173
326591799110,10cyclictest0-21swapper/321:10:193
326591799110,0cyclictest0-21swapper/321:15:203
326591799110,0cyclictest0-21swapper/321:05:143
3265917991010,0cyclictest0-21swapper/321:00:213
3265917991010,0cyclictest0-21swapper/319:40:113
3265917991010,0cyclictest0-21swapper/300:35:173
326591799100,9cyclictest0-21swapper/323:35:123
326591799100,9cyclictest0-21swapper/321:45:173
326591799100,0cyclictest0-21swapper/323:30:123
326591799100,0cyclictest0-21swapper/320:15:183
326591799100,0cyclictest0-21swapper/300:14:223
32659179999,0cyclictest0-21swapper/323:55:013
32659179999,0cyclictest0-21swapper/323:45:213
32659179999,0cyclictest0-21swapper/323:20:193
32659179999,0cyclictest0-21swapper/323:00:173
32659179999,0cyclictest0-21swapper/322:10:153
32659179999,0cyclictest0-21swapper/321:25:173
32659179999,0cyclictest0-21swapper/320:40:183
32659179999,0cyclictest0-21swapper/319:35:003
32659179993,3cyclictest0-21swapper/319:55:123
32659179990,9cyclictest0-21swapper/300:15:193
32659179990,8cyclictest0-21swapper/320:00:173
32659179988,0cyclictest0-21swapper/323:00:013
32659179988,0cyclictest0-21swapper/321:55:183
32659179988,0cyclictest0-21swapper/320:40:013
32659179988,0cyclictest0-21swapper/319:25:123
32659179980,7cyclictest0-21swapper/321:30:213
3264146280,5sleep30-21swapper/319:05:123
32659179977,0cyclictest0-21swapper/321:35:183
32659179977,0cyclictest0-21swapper/321:20:203
32659179977,0cyclictest0-21swapper/319:35:183
13929870,2rtkit-daemon331-21plymouthd19:06:191
32659179960,0cyclictest0-21swapper/322:00:153
13929860,1rtkit-daemon0-21swapper/122:37:121
32659179955,0cyclictest0-21swapper/320:50:163
32659179955,0cyclictest0-21swapper/320:25:173
32659179951,2cyclictest0-21swapper/322:35:133
32659179950,4cyclictest3289543-21chrt20:09:563
32659179950,3cyclictest0-21swapper/320:45:123
32659179950,0cyclictest0-21swapper/319:15:113
3265635250,1sleep20-21swapper/219:08:322
3264881250,2sleep03265050-21/usr/sbin/munin19:05:170
13929850,0rtkit-daemon0-21swapper/121:36:451
3368838240,3sleep13368842-21ssh23:24:231
3289794240,0sleep20-21swapper/220:10:112
32659179944,0cyclictest0-21swapper/323:08:263
32659179944,0cyclictest0-21swapper/323:08:263
32659179944,0cyclictest0-21swapper/322:53:553
32659179944,0cyclictest0-21swapper/322:45:513
32659179944,0cyclictest0-21swapper/322:25:143
32659179944,0cyclictest0-21swapper/322:05:193
32659179944,0cyclictest0-21swapper/320:32:473
32659179940,3cyclictest33840322chrt00:00:073
32659179940,3cyclictest3377068-21chrt23:41:013
32659179940,3cyclictest3307029-21chrt20:55:023
32659179940,3cyclictest0-21swapper/323:10:043
32659179940,2cyclictest0-21swapper/319:10:133
13929840,2rtkit-daemon3376990-21vmstat23:40:221
13929840,2rtkit-daemon3312560-21diskmemload23:36:331
13929840,2rtkit-daemon1396-21sendmail-mta22:49:041
13929840,2rtkit-daemon1396-21sendmail-mta22:30:241
13929840,2rtkit-daemon1-21systemd23:13:071
13929840,2rtkit-daemon1-21systemd22:55:401
3400442230,1sleep23400685-21sed00:40:002
3396542230,1sleep13396568-21apt-get00:30:161
3388276230,2sleep03388452-21cat00:10:160
3375920230,0sleep00-21swapper/023:40:160
3350405230,1sleep13350431-21apt-get22:40:121
3340463230,2sleep23340599-21cat22:15:152
3323246230,1sleep23323272-21apt-get21:35:132
13929830,2rtkit-daemon770-21ntpd21:50:191
13929830,2rtkit-daemon770-21ntpd19:21:381
13929830,2rtkit-daemon765-21snmpd19:53:281
13929830,2rtkit-daemon692-21gmain00:06:291
13929830,2rtkit-daemon3265909-21cyclictest20:37:581
13929830,1rtkit-daemon773-21lldpd00:25:021
13929830,1rtkit-daemon770-21ntpd22:13:191
13929830,1rtkit-daemon770-21ntpd20:40:221
13929830,1rtkit-daemon770-21ntpd00:20:141
13929830,1rtkit-daemon765-21snmpd22:52:171
13929830,1rtkit-daemon765-21snmpd21:47:091
13929830,1rtkit-daemon6770-21packagekitd23:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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