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2026-06-08 - 10:14
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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
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Mon Jun 08, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1424322991717,0cyclictest0-21swapper/300:15:133
142432299170,11cyclictest0-21swapper/320:35:133
1424322991511,0cyclictest0-21swapper/321:10:203
142432299130,12cyclictest0-21swapper/319:15:123
142432299130,11cyclictest0-21swapper/322:25:133
142432299130,11cyclictest0-21swapper/300:00:143
1424322991211,0cyclictest0-21swapper/323:40:133
142432299121,10cyclictest0-21swapper/320:55:003
1424322991211,0cyclictest0-21swapper/320:35:003
142432299120,1cyclictest0-21swapper/300:25:003
142432299120,11cyclictest0-21swapper/321:50:193
142432299120,11cyclictest0-21swapper/300:30:203
142432299119,1cyclictest0-21swapper/320:05:123
1424322991111,0cyclictest0-21swapper/323:30:113
1424322991111,0cyclictest0-21swapper/322:05:213
1424322991111,0cyclictest0-21swapper/319:40:023
1424322991110,0cyclictest0-21swapper/323:00:023
142432299110,10cyclictest0-21swapper/323:25:183
142432299110,10cyclictest0-21swapper/322:00:123
142432299110,0cyclictest0-21swapper/323:46:073
142432299110,0cyclictest0-21swapper/323:25:013
142432299110,0cyclictest0-21swapper/321:55:133
142432299109,0cyclictest0-21swapper/319:30:123
142432299108,1cyclictest0-21swapper/323:05:133
1424322991010,0cyclictest0-21swapper/322:15:153
1424322991010,0cyclictest0-21swapper/321:00:123
1424322991010,0cyclictest0-21swapper/319:20:183
142432299100,9cyclictest0-21swapper/323:40:023
142432299100,9cyclictest0-21swapper/300:10:133
142432299100,10cyclictest0-21swapper/300:05:213
142432299100,0cyclictest0-21swapper/321:05:173
142432299100,0cyclictest0-21swapper/320:40:173
142432299100,0cyclictest0-21swapper/320:25:133
14243229999,0cyclictest0-21swapper/322:35:173
14243229999,0cyclictest0-21swapper/322:10:133
14243229999,0cyclictest0-21swapper/320:20:143
14243229999,0cyclictest0-21swapper/320:10:163
14243229998,1cyclictest0-21swapper/320:45:173
14243229998,0cyclictest0-21swapper/323:55:193
14243229998,0cyclictest0-21swapper/320:15:143
14243229998,0cyclictest0-21swapper/319:55:123
14243229990,9cyclictest0-21swapper/323:10:183
14243229988,0cyclictest0-21swapper/321:40:023
14243229988,0cyclictest0-21swapper/321:15:133
14243229988,0cyclictest0-21swapper/319:45:173
14243229980,7cyclictest26450irq/132-ahci[0000:00:17.0]22:30:173
14243229980,7cyclictest0-21swapper/321:45:173
1422937281,4sleep30-21swapper/319:05:143
14243229977,0cyclictest0-21swapper/321:35:013
14243229977,0cyclictest0-21swapper/320:00:003
14243229976,0cyclictest0-21swapper/320:59:593
14243229976,0cyclictest0-21swapper/319:25:183
14243229970,6cyclictest0-21swapper/322:45:173
14243229966,0cyclictest0-21swapper/321:29:113
14243229966,0cyclictest0-21swapper/319:40:123
14243229966,0cyclictest0-21swapper/319:10:153
14243229966,0cyclictest0-21swapper/300:35:193
14243229965,1cyclictest0-21swapper/321:20:123
14243229961,3cyclictest0-21swapper/300:25:123
14243229955,0cyclictest0-21swapper/323:18:403
14243229955,0cyclictest0-21swapper/322:50:183
14243229954,0cyclictest0-21swapper/322:40:133
14243229954,0cyclictest0-21swapper/322:20:193
14243229954,0cyclictest0-21swapper/321:40:133
14243229954,0cyclictest0-21swapper/319:50:173
14243229953,1cyclictest0-21swapper/323:50:123
1524918240,3sleep01524944-21apt-get23:15:110
1488392240,2sleep01488403-21apt-get21:50:010
14243229944,0cyclictest0-21swapper/323:00:143
1423890241,1sleep00-21swapper/019:06:230
1423188241,1sleep10-21swapper/119:05:161
1461097230,2sleep01461267-21ntpq20:40:170
1451082230,1sleep01451166-21irqstats20:15:150
1447776232,1sleep2766-21snmpd20:07:372
1432767230,2sleep11432613-21/usr/sbin/munin19:30:141
1422694231,1sleep20-21swapper/219:05:132
1558873220,1sleep10-21swapper/100:35:131
1556787220,1sleep11556813-21apt-get00:30:121
1546972220,1sleep01547126-21ntp_states00:05:180
1541889220,1sleep01541919-21/usr/sbin/munin23:55:130
1536389220,0sleep00-21swapper/023:40:200
1528853220,1sleep21528908-21cat23:25:012
1520619220,1sleep11520914-21df23:05:151
1502063220,1sleep11502217-21ntp_states22:20:161
1497256220,1sleep21497282-21apt-get22:10:122
1495235220,0sleep00-21swapper/022:05:140
1486729220,1sleep11486994-21diskstats21:45:141
1484202220,1sleep01484258-21munin-run21:40:010
1480995220,1sleep01481137-21ntp_states21:30:160
1478510220,1sleep21478783-21df_inode21:25:142
1472906220,1sleep01473003-21ls21:10:190
1469029220,1sleep00-21swapper/021:00:180
1466252220,1sleep20-21swapper/220:55:122
1459030220,1sleep01459175-21cat20:35:170
1456410220,1sleep01456495-21aten_r1power_en20:30:120
1452585220,1sleep10-21swapper/120:20:131
1451378220,1sleep21451458-21pmu-power20:15:182
1447964220,1sleep1341rcuc/120:10:001
1426139220,1sleep11426157-21/usr/sbin/munin19:15:021
1560191210,0sleep00-21swapper/000:35:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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