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2026-01-02 - 03:51
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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 Fri Jan 02, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1434305992421,1cyclictest0-21swapper/300:40:003
1434305991916,1cyclictest0-21swapper/319:25:153
1434305991915,2cyclictest1785815-21turbostat23:40:013
1434305991915,1cyclictest0-21swapper/323:15:203
143430599185,9cyclictest1565524-21sleep20:50:003
143430599183,10cyclictest1694903-21turbostat22:30:003
1434305991816,1cyclictest0-21swapper/321:25:013
1434305991815,1cyclictest0-21swapper/323:00:013
143430599181,13cyclictest1617078-21turbostat21:30:013
143430599181,12cyclictest1682006-21taskset22:19:563
143430599181,12cyclictest1603851-21chrt21:16:033
143430599172,11cyclictest1727374-21turbostat22:55:003
1434305991715,1cyclictest0-21swapper/323:05:003
1434305991715,1cyclictest0-21swapper/323:05:003
1434305991714,1cyclictest0-21swapper/323:27:423
1434305991714,1cyclictest0-21swapper/319:45:243
1434305991714,1cyclictest0-21swapper/319:15:023
1434305991713,1cyclictest0-21swapper/319:35:173
143430599171,13cyclictest1824464-21turbostat00:10:003
143430599171,13cyclictest1672896-21taskset22:10:183
143430599171,13cyclictest1504058-21taskset20:00:183
1434305991613,1cyclictest0-21swapper/323:20:173
1434305991613,1cyclictest0-21swapper/322:45:143
1434305991613,1cyclictest0-21swapper/320:55:133
143430599161,12cyclictest1843961-21taskset00:23:183
143430599161,12cyclictest1817682-21taskset00:00:293
143430599161,12cyclictest1811180-21taskset23:55:333
143430599161,12cyclictest1800298-21taskset23:50:163
143430599161,12cyclictest1779188-21chrt23:32:453
143430599161,12cyclictest1695382-21taskset22:30:013
143430599161,12cyclictest1636360-21taskset21:40:523
143430599161,12cyclictest1629920-21chrt21:35:553
143430599161,12cyclictest1513631-21taskset20:05:273
143430599161,12cyclictest1480402-21taskset19:40:173
143430599161,11cyclictest1851196-21taskset00:30:163
143430599161,11cyclictest1662422-21taskset22:04:563
143430599161,11cyclictest1643362-21taskset21:50:093
143430599161,11cyclictest1637594-21taskset21:45:173
143430599161,11cyclictest1440349-21taskset19:10:453
143430599160,12cyclictest1850184-21taskset00:25:313
143430599160,11cyclictest1747102-21taskset23:10:013
17007582151,10sleep11700874-21python322:30:241
143430599158,5cyclictest1792253-21turbostat23:45:013
143430599156,6cyclictest18256562sleep300:10:163
1434305991513,1cyclictest0-21swapper/323:45:013
1434305991512,1cyclictest0-21swapper/320:15:203
143430599151,12cyclictest1836960-21chrt00:15:253
143430599151,12cyclictest1559094-21taskset20:44:583
143430599151,11cyclictest1753084-21taskset23:11:333
143430599151,11cyclictest1707678-21taskset22:35:413
143430599151,11cyclictest1682279-21taskset22:20:043
143430599151,11cyclictest1649784-21taskset21:55:073
143430599151,11cyclictest1590390-21chrt21:05:213
143430599151,11cyclictest1584499-21taskset21:00:413
143430599151,11cyclictest1539397-21taskset20:25:413
143430599151,11cyclictest1532981-21taskset20:20:493
143430599151,11cyclictest1514279-21chrt20:10:123
143430599151,11cyclictest1462518-21taskset19:30:083
143430599150,12cyclictest1713884-21taskset22:40:233
143430599150,12cyclictest1596915-21chrt21:10:233
143430599150,12cyclictest1546479-21chrt20:35:153
143430599150,11cyclictest1617086-21sleep21:34:563
143430599150,11cyclictest1545900-21taskset20:31:273
143430599150,11cyclictest1455105-21chrt19:20:223
143430599145,6cyclictest16629372sleep322:05:063
143430599144,7cyclictest1565788-21taskset20:50:113
143430599144,7cyclictest1565788-21taskset20:50:113
143430599141,11cyclictest1494110-21taskset19:51:113
143430599140,11cyclictest1500566-21taskset19:56:373
307598130,5rtkit-daemon1474567-21timerandwakeup19:35:251
307598120,7rtkit-daemon1508320-21irqcore20:05:151
15414042120,9sleep01543142-21cut20:30:210
307598110,5rtkit-daemon217-21plymouthd22:48:111
307598110,2rtkit-daemon0-21swapper/221:15:212
18593992110,1sleep20-21swapper/200:35:192
17729152111,7sleep21772938-21sh23:30:002
15528952111,2sleep10-21swapper/120:40:121
14339322110,1sleep30-21swapper/319:07:083
307598100,5rtkit-daemon3333005-21packagekitd00:29:111
307598100,5rtkit-daemon1664350-21irqstats22:05:201
18634162104,3sleep11863658-21latency_hist00:39:591
18187342100,7sleep01818964-21cut00:05:170
16824882101,7sleep10-21swapper/122:20:151
15072772100,6sleep01507285-21latency_hist20:05:010
14689732102,4sleep21469006-21apt-get19:35:132
14340512102,4sleep10-21swapper/119:08:391
30759890,5rtkit-daemon44-21ksoftirqd/220:53:002
30759890,5rtkit-daemon44-21ksoftirqd/220:53:002
30759890,5rtkit-daemon3333005-21packagekitd22:16:311
30759890,5rtkit-daemon3256-21sendmail-mta23:38:171
30759890,5rtkit-daemon316-21systemd-udevd21:11:442
30759890,4rtkit-daemon714-21snmpd21:41:422
30759890,4rtkit-daemon217-21plymouthd00:10:031
30759890,4rtkit-daemon1708324-21apt-get22:40:121
30759890,4rtkit-daemon1656424-21df_inode22:00:142
30759890,4rtkit-daemon1611308-21if_eno221:25:162
30759890,4rtkit-daemon1514437-21diskstats20:10:131
30759890,3rtkit-daemon1501298-21df_inode20:00:131
30759890,3rtkit-daemon1440852-21munin-node23:13:011
30759890,2rtkit-daemon217-21plymouthd21:33:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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