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2026-05-03 - 10:44
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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 Sun May 03, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12623702560,2sleep1321rcuc/121:20:011
1089212992724,1cyclictest0-21swapper/320:10:263
1089212992623,1cyclictest0-21swapper/320:55:003
108921299251,9cyclictest1452214-21turbostat23:20:003
108921299251,20cyclictest1325405-21turbostat22:00:013
1089212992421,1cyclictest0-21swapper/321:35:223
1089212992421,1cyclictest0-21swapper/300:40:013
1089212992321,1cyclictest0-21swapper/322:20:003
108921299231,16cyclictest1155991-21taskset20:00:013
14677492211,10sleep21467755-21ssh23:29:212
108921299212,15cyclictest1530013-21taskset00:06:383
1089212992118,1cyclictest0-21swapper/323:40:153
1089212992118,1cyclictest0-21swapper/321:45:183
108921299209,7cyclictest13723902sleep322:28:163
108921299202,14cyclictest1214072-21turbostat20:45:003
1089212992018,0cyclictest0-21swapper/321:55:013
108921299201,15cyclictest1435574-21chrt23:07:443
108921299201,15cyclictest1200940-21taskset20:32:003
108921299201,14cyclictest1403254-21taskset22:46:033
108921299201,14cyclictest1325755-21chrt22:00:123
108921299201,14cyclictest1110808-21sleep19:25:003
108921299201,14cyclictest1110808-21sleep19:25:003
1089212992010,7cyclictest13932202sleep322:40:183
1089212992010,7cyclictest13932202sleep322:40:183
1089212991916,1cyclictest0-21swapper/320:25:123
1089212991916,1cyclictest0-21swapper/319:50:003
108921299191,15cyclictest1214079-21turbostat20:49:553
108921299191,14cyclictest1514685-21taskset23:57:553
108921299191,14cyclictest1270154-21turbostat21:25:003
108921299191,13cyclictest1570867-21taskset00:34:563
108921299191,13cyclictest1547121-21turbostat00:20:003
108921299191,13cyclictest1201485-21chrt20:35:133
14935702180,1sleep30-21swapper/323:45:163
108921299188,6cyclictest11362462sleep319:41:223
1089212991816,1cyclictest0-21swapper/320:08:053
1089212991816,1cyclictest0-21swapper/320:05:013
1089212991815,1cyclictest0-21swapper/323:35:183
1089212991815,1cyclictest0-21swapper/323:30:123
1089212991815,1cyclictest0-21swapper/322:20:173
1089212991815,1cyclictest0-21swapper/322:15:003
1089212991815,1cyclictest0-21swapper/320:20:193
108921299181,14cyclictest1181575-21taskset20:17:133
108921299181,13cyclictest1552933-21taskset00:20:243
108921299181,13cyclictest1537649-21taskset00:11:023
108921299181,13cyclictest1522177-21taskset00:01:443
108921299181,13cyclictest1459824-21taskset23:24:073
108921299181,13cyclictest1419067-21taskset22:55:573
108921299181,13cyclictest1412067-21taskset22:53:203
108921299181,13cyclictest1254197-21taskset21:14:503
108921299181,13cyclictest1239721-21taskset21:03:113
108921299181,13cyclictest1233074-21taskset20:56:063
108921299181,13cyclictest1129834-21taskset19:36:403
108921299181,13cyclictest1095311-21taskset19:11:423
108921299181,12cyclictest1098024-21chrt19:15:113
108921299171,13cyclictest1555355-21taskset00:25:013
108921299171,13cyclictest1507572-21turbostat23:55:003
108921299171,13cyclictest1426325-21taskset23:00:223
108921299171,13cyclictest1379640-21chrt22:31:233
108921299171,12cyclictest1462039-21taskset23:25:163
108921299171,12cyclictest1436781-21taskset23:10:123
108921299171,12cyclictest1386748-21chrt22:35:243
108921299171,12cyclictest1339926-21taskset22:06:263
108921299171,12cyclictest1294210-21chrt21:40:123
108921299171,12cyclictest1284707-21taskset21:31:383
108921299171,12cyclictest1275788-21chrt21:25:203
108921299171,12cyclictest1260159-21taskset21:15:263
108921299171,12cyclictest1143224-21taskset19:50:033
108921299171,12cyclictest1123473-21taskset19:32:233
129998160,4rtkit-daemon1275819-21ntpq21:25:210
108921299161,12cyclictest1246008-21chrt21:05:403
108921299161,12cyclictest1116599-21taskset19:25:253
14050732140,2sleep20-21swapper/222:50:122
15213522130,10sleep11515792-21/usr/sbin/munin00:00:271
14758442130,9sleep21475850-21ssh23:34:422
13497242130,9sleep21349807-21cut22:15:162
129998130,9rtkit-daemon1570305-21ssh00:33:211
129998130,8rtkit-daemon1230739-21cut20:55:170
11706292130,3sleep01172334-21kthreadcore20:10:170
15329742121,3sleep21534219-21kthreadcore00:10:182
14208222121,7sleep21420856-21apt-get23:00:102
14042782120,9sleep11404284-21ssh22:48:461
13787572121,8sleep21378805-21ntpq22:30:232
13574762121,7sleep21357516-21ssh22:20:132
129998120,8rtkit-daemon1515065-21ssh23:59:021
129998120,6rtkit-daemon222-21plymouthd22:46:550
129998120,4rtkit-daemon703-21mta-sts-daemon21:58:450
14737292111,7sleep01468335-21/usr/sbin/munin23:30:230
14261882110,2sleep01426236-21ntpq23:00:200
14131912111,7sleep01413244-21fschecks_count22:55:150
13879082110,8sleep11387916-21ssh22:37:241
13650972112,5sleep0222-21plymouthd22:25:000
13373162110,1chrt1337317-21grep22:05:180
13256772110,8sleep11325684-21sh22:00:071
13152922110,3sleep01315341-21ntpq21:50:240
129998110,4rtkit-daemon222-21plymouthd19:32:002
129998110,3rtkit-daemon703-21mta-sts-daemon23:32:531
129998110,3rtkit-daemon703-21mta-sts-daemon20:24:140
129998110,2rtkit-daemon222-21plymouthd19:55:340
129998110,1rtkit-daemon0-21swapper/100:09:021
12857892110,8sleep11285793-21ssh21:34:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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