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2026-05-11 - 01:34
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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 May 11, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
180754499138,3cyclictest1900278-21chrt23:00:003
1807544991211,0cyclictest0-21swapper/323:30:133
180754499120,5cyclictest0-21swapper/320:50:133
180754499120,11cyclictest0-21swapper/322:45:113
180754499120,11cyclictest0-21swapper/320:30:173
180754499120,11cyclictest0-21swapper/319:55:123
180754499119,1cyclictest0-21swapper/323:50:133
1807544991111,0cyclictest0-21swapper/319:25:133
1807544991110,0cyclictest0-21swapper/319:50:103
1807544991110,0cyclictest0-21swapper/319:35:123
1807544991110,0cyclictest0-21swapper/300:10:133
180754499110,9cyclictest0-21swapper/322:00:183
180754499110,10cyclictest0-21swapper/323:20:013
180754499110,10cyclictest0-21swapper/323:17:013
180754499110,10cyclictest0-21swapper/323:10:183
180754499110,10cyclictest0-21swapper/322:35:003
180754499110,0cyclictest0-21swapper/323:10:013
180754499110,0cyclictest0-21swapper/322:20:183
180754499110,0cyclictest0-21swapper/321:55:133
180754499110,0cyclictest0-21swapper/321:35:123
180754499109,0cyclictest0-21swapper/323:35:133
1807544991010,0cyclictest0-21swapper/321:20:023
1807544991010,0cyclictest0-21swapper/300:40:023
1807544991010,0cyclictest0-21swapper/300:05:123
180754499100,9cyclictest0-21swapper/322:55:113
180754499100,9cyclictest0-21swapper/320:25:123
180754499100,7cyclictest0-21swapper/320:15:173
180754499100,0cyclictest0-21swapper/322:35:223
18075449999,0cyclictest0-21swapper/323:55:133
18075449999,0cyclictest0-21swapper/323:25:093
18075449999,0cyclictest0-21swapper/322:14:573
18075449999,0cyclictest0-21swapper/319:35:013
18075449998,0cyclictest0-21swapper/323:40:203
18075449998,0cyclictest0-21swapper/300:20:113
18075449990,0cyclictest0-21swapper/300:30:123
18075449990,0cyclictest0-21swapper/300:05:013
18075449988,0cyclictest0-21swapper/322:25:193
18075449988,0cyclictest0-21swapper/321:00:173
18075449988,0cyclictest0-21swapper/320:35:163
18075449988,0cyclictest0-21swapper/319:45:003
18075449988,0cyclictest0-21swapper/300:15:143
18075449987,0cyclictest0-21swapper/322:40:103
18075449987,0cyclictest0-21swapper/321:45:173
18075449977,0cyclictest0-21swapper/323:48:583
18075449977,0cyclictest0-21swapper/322:15:123
18075449977,0cyclictest0-21swapper/322:05:163
18075449977,0cyclictest0-21swapper/321:35:023
18075449977,0cyclictest0-21swapper/320:05:003
18075449977,0cyclictest0-21swapper/319:15:183
1807358271,1sleep20-21swapper/219:09:192
1806654271,4sleep30-21swapper/319:05:203
18075449966,0cyclictest0-21swapper/322:53:403
18075449966,0cyclictest0-21swapper/321:10:173
18075449966,0cyclictest0-21swapper/320:05:133
18075449964,1cyclictest0-21swapper/321:50:123
18075449960,6cyclictest0-21swapper/321:40:123
18075449960,5cyclictest0-21swapper/319:20:103
1848810250,3sleep21849097-21df20:55:132
18075449955,0cyclictest0-21swapper/321:20:193
18075449955,0cyclictest0-21swapper/319:10:113
18075449954,0cyclictest0-21swapper/320:55:113
18075449954,0cyclictest0-21swapper/319:45:133
18075449944,0cyclictest0-21swapper/321:25:183
18075449943,0cyclictest0-21swapper/320:20:133
18075449940,3cyclictest1852507-21chrt21:05:023
18075449940,3cyclictest1842744-21chrt20:40:123
18075449940,1cyclictest18311712sleep320:10:123
1806419241,1sleep10-21swapper/119:05:181
1900795230,2sleep21900939-21missed_timers23:00:162
1837082230,1sleep11837353-21df_inode20:25:151
1835017230,1sleep21835043-21apt-get20:20:112
18075449930,2cyclictest1936569-21chrt00:25:113
18075449930,2cyclictest0-21swapper/320:45:123
1942563220,1sleep00-21swapper/000:40:010
1940094220,1sleep01940095-21sshd00:31:360
1927970220,1sleep21928004-21munin-run00:05:022
1919588220,0sleep00-21swapper/023:45:060
1912819220,1sleep01-21systemd23:30:000
1911604220,1sleep21911754-21ntp_states23:25:142
1909408220,2sleep00-21swapper/023:20:170
1893402220,0sleep00-21swapper/022:43:580
1883342220,1sleep11883372-21apt-get22:20:131
1880658222,0sleep0328-21plymouthd22:12:070
1879776220,1sleep11879930-21ntp_states22:10:171
1865861220,1sleep01865862-21sshd21:35:260
1861237220,1sleep01861362-21sendmail_mailqu21:25:160
1859219220,1sleep10-21swapper/121:20:181
1859064220,1sleep01859218-21ntp_states21:20:170
1855178220,0sleep00-21swapper/021:10:160
1849330220,1sleep11849456-21awk20:55:171
1848168220,1sleep21848545-21dpkg20:55:022
1837547220,1sleep01837701-21ntp_states20:25:170
1827082220,1sleep10-21swapper/120:00:001
1825838220,0sleep00-21swapper/019:55:150
1824434220,1sleep21824616-21cat19:50:172
1805747221,0sleep00-21swapper/019:05:080
1941157210,0sleep20-21swapper/200:35:152
1940486210,0sleep10-21swapper/100:35:011
1939963210,0sleep20-21swapper/200:30:262
1938637210,0sleep10-21swapper/100:30:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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