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2026-05-14 - 18:07
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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 Thu May 14, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234170621300,2sleep0151ktimers/011:55:220
1918630993330,1cyclictest0-21swapper/309:55:013
1918630993027,1cyclictest0-21swapper/311:40:003
1918630992926,1cyclictest0-21swapper/311:00:013
1918630992825,1cyclictest0-21swapper/310:05:093
23096282270,1sleep10-21swapper/111:35:181
23611402250,1sleep30-21swapper/312:10:173
1918630992421,1cyclictest0-21swapper/309:20:003
1918630992418,4cyclictest2017373-21turbostat08:25:013
1918630992320,1cyclictest0-21swapper/309:35:173
191863099227,9cyclictest19975712sleep308:05:463
191863099227,9cyclictest19975712sleep308:05:453
191863099215,10cyclictest2122670-21sleep09:44:553
1918630992118,1cyclictest0-21swapper/311:20:223
191863099211,16cyclictest2328576-21chrt11:50:123
191863099207,8cyclictest19719762sleep307:46:373
191863099206,9cyclictest20105422sleep308:15:393
191863099203,14cyclictest2209735-21sleep10:39:553
1918630992017,1cyclictest0-21swapper/308:00:013
1918630992013,5cyclictest0-21swapper/307:25:013
191863099201,15cyclictest2138452-21turbostat09:50:003
191863099197,7cyclictest23416592sleep311:55:213
191863099194,7cyclictest20365082sleep308:38:043
1918630991917,1cyclictest0-21swapper/311:25:163
1918630991917,1cyclictest0-21swapper/310:20:003
1918630991916,1cyclictest0-21swapper/312:25:133
1918630991916,1cyclictest0-21swapper/311:00:033
1918630991916,1cyclictest0-21swapper/310:50:233
191863099191,14cyclictest2396757-21taskset12:30:173
191863099191,14cyclictest2068623-21chrt09:02:573
191863099191,14cyclictest1977777-21taskset07:50:213
191863099191,13cyclictest2194204-21chrt10:25:123
191863099191,13cyclictest2049574-21turbostat08:50:013
191863099185,10cyclictest1998193-21taskset08:10:063
191863099182,13cyclictest2153414-21taskset09:57:333
1918630991815,1cyclictest0-21swapper/312:15:253
1918630991815,1cyclictest0-21swapper/311:40:183
1918630991815,1cyclictest0-21swapper/308:25:203
191863099181,14cyclictest2098403-21taskset09:23:423
191863099181,14cyclictest0-21swapper/309:15:003
191863099181,13cyclictest2380608-21chrt12:20:193
191863099181,13cyclictest2327251-21taskset11:47:273
191863099181,13cyclictest2264787-21taskset11:09:433
191863099181,13cyclictest2030085-21taskset08:32:593
191863099181,13cyclictest1951980-21chrt07:30:213
191863099181,13cyclictest1933254-21taskset07:16:053
191863099181,12cyclictest1985397-21chrt08:00:113
22724092170,8sleep22272415-21ssh11:13:592
21387382171,2sleep00-21swapper/009:50:100
20913192171,3sleep12075202-21diskmemload09:20:131
20111742172,7sleep12011207-21apt-get08:20:101
1918630991714,1cyclictest0-21swapper/310:30:083
191863099171,13cyclictest2303359-21taskset11:32:033
191863099171,13cyclictest2170396-21chrt10:10:093
191863099171,13cyclictest2154643-21chrt10:00:113
191863099171,13cyclictest1946393-21chrt07:28:323
191863099171,13cyclictest1924813-21taskset07:12:543
191863099171,12cyclictest2358414-21taskset12:06:153
191863099171,12cyclictest2107150-21chrt09:30:113
191863099171,12cyclictest2099189-21taskset09:25:103
191863099171,12cyclictest2055749-21taskset08:52:233
191863099171,12cyclictest2042801-21taskset08:41:123
191863099171,12cyclictest1959032-21taskset07:36:183
191863099162,3cyclictest0-21swapper/310:40:113
191863099161,3cyclictest0-21swapper/312:35:133
191863099161,3cyclictest0-21swapper/312:00:133
191863099161,3cyclictest0-21swapper/311:10:103
191863099161,3cyclictest0-21swapper/310:45:123
1918630991613,1cyclictest0-21swapper/310:20:183
191863099161,12cyclictest2279301-21taskset11:16:163
191863099161,12cyclictest2075003-21taskset09:07:473
191863099161,12cyclictest1965541-21taskset07:41:393
191863099161,11cyclictest2062170-21taskset08:57:453
22477442151,11sleep22247750-21ssh10:56:082
129998150,7rtkit-daemon2326189-21ssh11:45:252
22332222141,10sleep12233226-21ssh10:49:411
22072052148,3sleep22202059-21/usr/sbin/munin10:30:212
21528912141,2sleep00-21swapper/009:56:160
20992342141,4sleep12099237-21apt-get09:25:131
20036722140,6sleep12003846-21wc08:10:241
129998140,10rtkit-daemon726-21systemd-logind07:33:332
22567832131,9sleep22256788-21sh11:04:212
22419932138,2sleep00-21swapper/010:55:170
20967882131,9sleep22096902-21cat09:20:262
20690892131,9sleep22069245-21/usr/sbin/munin09:05:142
19403802130,9sleep01940536-21diskstats07:25:140
129998130,9rtkit-daemon2141106-21grep09:50:161
129998130,8rtkit-daemon2328532-21/usr/sbin/munin11:50:142
23340712120,4sleep02334294-21grep11:50:250
23028942120,3sleep02302900-21ssh11:30:460
22824382120,9sleep22283551-21kthreadcore11:20:162
22152712120,8sleep12215321-21ntpq10:35:221
21126832121,8sleep02112874-21cat09:30:260
20687772120,3sleep10-21swapper/109:04:561
19660702121,3sleep01966103-21apt-get07:45:110
19366002121,8sleep11938489-21tr07:20:171
129998120,8rtkit-daemon2193276-21ssh10:23:260
129998120,8rtkit-daemon1000-21snmpd09:27:170
129998120,7rtkit-daemon2368081-21apt-get12:15:102
129998120,5rtkit-daemon2382775-21ssh12:22:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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