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2026-08-21 - 02:36
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Fri Aug 21, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191974222790,4chrt1919739-21ntpq23:00:340
187691622580,3chrt1876914-21sensors_temp20:26:180
185836222540,3chrt1858360-21grep19:20:250
193760622450,2chrt1937607-21ldconfig00:05:570
189297622400,2chrt1892977-21grep21:25:140
185521499233204,19cyclictest29-21kswapd000:35:220
190337822180,2sleep01903376-21mailstats22:01:180
192921322140,3sleep01929216-21grep23:35:150
185521499214187,16cyclictest1934196-21kworker/u2:000:00:320
185521499210181,18cyclictest1900266-21kworker/u2:122:20:030
185521499210180,18cyclictest1934196-21kworker/u2:000:00:060
185521499206176,19cyclictest1922063-21kworker/u2:223:25:040
185521499206176,19cyclictest1865613-21kworker/u2:219:51:290
192132522050,5chrt1921326-21/usr/sbin/munin23:06:140
187512622040,2sleep01875128-21grep20:20:300
185521499204175,18cyclictest1874302-21kworker/u2:120:40:040
185521499203173,19cyclictest1910178-21kworker/u2:222:30:030
185521499201172,17cyclictest1939813-21kworker/u2:100:25:050
185521499199170,17cyclictest1932304-21kworker/u2:123:46:190
185521499197159,27cyclictest1939813-21kworker/u2:100:20:020
185521499196167,18cyclictest1900266-21kworker/u2:121:55:040
185521499195154,18cyclictest1859896-21kworker/u2:019:35:060
185521499194166,17cyclictest1896090-21kworker/u2:221:45:040
194343421930,2sleep01943437-21grep00:26:200
185521499193164,17cyclictest1874302-21kworker/u2:120:20:030
185521499193163,19cyclictest1900266-21kworker/u2:122:15:030
185521499193163,19cyclictest1889082-21kworker/u2:121:25:030
185521499193154,18cyclictest1854318-21kworker/u2:219:16:280
185521499192163,18cyclictest1911980-21kworker/u2:122:55:040
191530921910,2sleep01915310-21sh22:45:160
185521499190161,19cyclictest1883561-21kworker/u2:220:55:040
185521499188159,19cyclictest1887253-21kworker/u2:021:10:060
185521499188159,18cyclictest1859896-21kworker/u2:019:50:020
185521499186158,18cyclictest1911980-21kworker/u2:122:41:170
185521499184154,18cyclictest1894214-21kworker/u2:021:35:050
185521499184148,24cyclictest1865613-21kworker/u2:220:06:180
185521499183152,19cyclictest1859896-21kworker/u2:019:45:040
185521499180152,16cyclictest1874302-21kworker/u2:120:45:060
185521499180150,18cyclictest1865613-21kworker/u2:220:15:070
185521499178151,17cyclictest1874302-21kworker/u2:120:50:020
185521499177149,17cyclictest1865613-21kworker/u2:220:00:020
185521499177148,18cyclictest1923936-21kworker/u2:123:20:080
185521499177148,18cyclictest1900266-21kworker/u2:122:00:030
185521499176147,18cyclictest1854318-21kworker/u2:219:25:120
185521499176146,18cyclictest1883561-21kworker/u2:220:55:550
185521499175145,19cyclictest1854318-21kworker/u2:219:10:020
185521499174146,18cyclictest1941654-21kworker/u2:200:31:270
185521499174146,18cyclictest1854318-21kworker/u2:219:15:060
185521499174145,17cyclictest1896090-21kworker/u2:221:40:080
185521499174143,20cyclictest1896090-21kworker/u2:221:45:400
185521499173144,17cyclictest1926247-21kworker/u2:023:45:040
185521499171143,16cyclictest1932304-21kworker/u2:123:55:000
185521499171142,18cyclictest1883561-21kworker/u2:221:00:330
185521499170143,17cyclictest1859896-21kworker/u2:019:40:080
185521499170142,18cyclictest1904362-21kworker/u2:022:10:050
185521499170141,18cyclictest1911980-21kworker/u2:122:35:110
193894921690,4chrt1938944-21ntpq00:10:470
185521499169140,19cyclictest1900266-21kworker/u2:122:21:260
189052221680,3chrt1890517-21ntpq21:15:420
185521499168138,18cyclictest1920258-21kworker/u2:023:10:460
185521499168137,19cyclictest1865613-21kworker/u2:220:00:320
185521499165134,19cyclictest1911980-21kworker/u2:123:00:080
185521499164138,18cyclictest1928125-21kworker/u2:123:33:570
185521499163134,17cyclictest1922063-21kworker/u2:223:25:120
185521499162133,19cyclictest1889082-21kworker/u2:121:10:550
185521499160130,18cyclictest1874302-21kworker/u2:120:35:070
185521499158128,18cyclictest1910178-21kworker/u2:222:30:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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