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2026-01-07 - 04:50
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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 Jan 07, 2026 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11396052380,1sleep20-21swapper/220:15:162
1052767992926,1cyclictest0-21swapper/321:20:003
1052767992421,1cyclictest0-21swapper/300:40:003
1052767992420,1cyclictest0-21swapper/300:20:013
105276799241,17cyclictest1087317-21taskset19:35:013
1052767992212,1cyclictest0-21swapper/321:58:543
1052767992211,1cyclictest0-21swapper/300:01:283
1052767992119,1cyclictest0-21swapper/322:30:003
1052767992117,1cyclictest0-21swapper/320:05:003
1052767992112,0cyclictest0-21swapper/321:38:353
105276799211,13cyclictest1281549-21taskset22:05:013
307598200,10rtkit-daemon1077879-21tr19:25:222
1052767992017,1cyclictest0-21swapper/321:55:013
1052767992017,1cyclictest0-21swapper/300:10:013
1052767992011,1cyclictest0-21swapper/319:13:233
1052767991916,1cyclictest0-21swapper/322:20:193
1052767991913,3cyclictest1398002-21sleep23:35:003
105276799191,13cyclictest1417548-21taskset23:50:013
10620052180,8sleep01062156-21sed19:15:150
1052767991815,1cyclictest0-21swapper/322:30:173
1052767991815,1cyclictest0-21swapper/321:15:013
105276799181,13cyclictest1145328-21sleep20:19:593
105276799181,12cyclictest1164892-21chrt20:35:123
105276799180,9cyclictest1197507-21taskset21:00:003
105276799180,13cyclictest1359344-21taskset23:05:003
1052767991715,1cyclictest0-21swapper/319:20:183
1052767991714,1cyclictest0-21swapper/322:15:003
1052767991714,1cyclictest0-21swapper/321:50:003
1052767991714,1cyclictest0-21swapper/319:50:143
1052767991714,1cyclictest0-21swapper/300:25:003
105276799171,13cyclictest1137829-21taskset20:10:203
105276799171,12cyclictest1475461-21turbostat00:35:003
105276799171,12cyclictest1425885-21taskset23:55:173
105276799171,12cyclictest1401982-21taskset23:35:183
105276799171,12cyclictest1346463-21turbostat22:55:003
105276799171,12cyclictest1294820-21chrt22:15:073
105276799171,12cyclictest1249265-21taskset21:40:123
105276799171,12cyclictest1184709-21chrt20:50:113
105276799171,12cyclictest1151770-21turbostat20:25:003
105276799170,12cyclictest1365998-21taskset23:10:013
105276799170,12cyclictest1365998-21taskset23:10:003
105276799167,6cyclictest11842242sleep320:47:323
105276799165,8cyclictest1241513-21taskset21:30:193
1052767991613,1cyclictest0-21swapper/322:45:143
105276799161,12cyclictest1469016-21sleep00:30:003
105276799161,12cyclictest1423893-21chrt23:54:373
105276799161,12cyclictest1410441-21chrt23:40:313
105276799161,12cyclictest1333276-21taskset22:41:523
105276799161,12cyclictest1164253-21chrt20:30:353
105276799161,11cyclictest1061804-21chrt19:15:133
105276799160,8cyclictest1132434-21taskset20:09:563
105276799160,12cyclictest1105998-21chrt19:45:233
11338702150,2sleep00-21swapper/020:10:180
1052767991512,1cyclictest0-21swapper/323:25:173
1052767991512,1cyclictest0-21swapper/319:55:393
105276799151,11cyclictest1444915-21taskset00:10:163
105276799151,11cyclictest1385104-21sleep23:25:003
105276799151,11cyclictest1372720-21taskset23:15:143
105276799151,11cyclictest1365398-21taskset23:05:243
105276799151,11cyclictest1322309-21taskset22:35:153
105276799151,11cyclictest1229712-21turbostat21:25:003
105276799151,11cyclictest1191793-21taskset20:55:163
105276799151,11cyclictest1177735-21turbostat20:45:003
105276799151,11cyclictest1157836-21chrt20:25:593
105276799151,11cyclictest1099725-21chrt19:41:103
105276799150,12cyclictest1346689-21taskset22:55:023
105276799150,12cyclictest1203934-21chrt21:05:023
105276799150,11cyclictest1235853-21taskset21:26:343
105276799141,11cyclictest1093235-21chrt19:35:533
105276799140,11cyclictest1281708-21taskset22:05:053
105276799140,11cyclictest1079714-21taskset19:25:233
307598130,9rtkit-daemon1262150-21/usr/sbin/munin21:50:241
14098752130,9sleep01409946-21ntp_states23:40:210
11784542130,3sleep21178641-21sort20:45:142
11393132130,6sleep01139456-21gltestperf20:15:150
13410112124,5sleep11341868-21cat22:50:161
11145372120,9sleep21115626-21kthreadcore19:55:172
1052767991210,1cyclictest0-21swapper/319:10:013
307598110,7rtkit-daemon1100084-21latency_hist19:45:012
307598110,7rtkit-daemon1013696-21munin-node19:09:122
307598110,6rtkit-daemon1060494-21kthreadcore19:15:022
13277572110,8sleep11328310-21sed22:40:151
12884362110,8sleep11288553-21cut22:10:121
11394602110,1sleep10-21swapper/120:15:151
10942472111,7sleep01094893-21irqrtprio19:40:160
307598100,6rtkit-daemon3256-21sendmail-mta20:11:262
307598100,6rtkit-daemon3256-21sendmail-mta00:33:011
307598100,5rtkit-daemon1281749-21apt-get22:05:121
307598100,5rtkit-daemon1249262-21apt-get21:40:131
13877682100,3sleep01389814-21cut23:25:170
13464412100,3sleep0217-21plymouthd22:55:000
12170212100,8sleep11216822-21/usr/sbin/munin21:15:151
30759890,5rtkit-daemon475-21wpa_supplicant19:36:482
30759890,5rtkit-daemon3256-21sendmail-mta23:35:051
30759890,5rtkit-daemon217-21plymouthd22:33:141
30759890,4rtkit-daemon1-21systemd00:10:121
30759890,2rtkit-daemon3256-21sendmail-mta19:34:322
30759890,2rtkit-daemon217-21plymouthd23:58:471
30759890,2rtkit-daemon217-21plymouthd20:29:481
30759890,2rtkit-daemon217-21plymouthd19:52:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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