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2025-11-27 - 00:44
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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 376 highest latencies:
System rack3slot2.osadl.org (updated Wed Nov 26, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
196277022840,2sleep01962771-21/usr/sbin/munin11:46:020
195973122690,3sleep01959732-21sshd11:36:490
191670322640,3sleep01916705-21uname09:26:420
193592322610,3chrt1935922-21/usr/sbin/munin10:25:300
196153922420,3chrt1961540-21timerandwakeup11:41:540
195849722340,2chrt1958493-21ssh11:33:110
187729199234204,18cyclictest1882882-21kworker/u2:007:35:580
192496822280,3chrt1924969-21mailstats09:51:500
191386722170,4chrt1913864-21ssh09:18:100
190057922150,3sleep01900581-21sed08:31:210
194396222110,3sleep01943964-21latency_hist10:50:090
187883122100,2sleep01878829-21apt07:15:140
193572922060,2sleep01935731-21sed10:25:120
193238822000,2sleep01932390-21latency_hist10:15:100
187729199200170,18cyclictest1918806-21kworker/u2:009:55:280
194055321980,2sleep01940552-21sh10:40:000
195564121960,2sleep01955642-21date11:25:090
188613621920,3chrt1885861-21/usr/sbin/munin07:40:300
187729199190159,19cyclictest1972348-21kworker/u2:312:20:060
187729199184154,19cyclictest1895485-21kworker/u2:209:00:060
191965121810,2sleep01919652-21ldconfig09:35:420
187729199180152,18cyclictest1958530-21kworker/u2:012:00:070
187729199177147,20cyclictest84-21jbd2/mmcblk0p2-11:55:050
187729199176146,19cyclictest1874986-21kworker/u2:207:10:040
187729199176143,22cyclictest1929013-21true10:05:040
187729199175145,18cyclictest1895485-21kworker/u2:209:10:100
187729199173145,17cyclictest1951837-21kworker/u2:011:15:060
187729199173143,18cyclictest1928664-21kworker/u2:310:20:070
195248421720,2sleep01952485-21cat11:15:270
187729199172145,17cyclictest1910829-21kworker/u2:109:12:030
187729199172144,18cyclictest1923619-21kworker/u2:110:10:050
187729199172142,19cyclictest1945234-21kworker/u2:210:56:510
187729199170142,18cyclictest1966627-21kworker/u2:312:01:520
187729199170141,18cyclictest1889904-21kworker/u2:108:11:230
197756721690,3chrt1977561-21ntpq12:30:410
187729199168138,18cyclictest1910829-21kworker/u2:109:20:320
187729199168136,19cyclictest1970195-21kworker/u2:012:25:090
191833821670,3chrt1918334-21ps09:31:420
187729199167139,17cyclictest1895485-21kworker/u2:208:41:270
187729199166136,18cyclictest1916964-21kworker/u2:309:46:540
189010421650,3chrt1890103-21df07:55:150
187729199165138,17cyclictest1881214-21kworker/u2:107:25:040
197110521640,4chrt1971104-21ld12:11:160
187729199164136,18cyclictest1932307-21kworker/u2:010:31:530
187729199164134,18cyclictest1891754-21kworker/u2:208:05:040
187729199162133,17cyclictest1889904-21kworker/u2:108:06:190
194484221600,4chrt1944840-21sensors_temp10:51:500
187729199159132,17cyclictest1936258-21kworker/u2:111:08:220
187729199159130,17cyclictest1968386-21kworker/u2:212:06:500
187729199157130,16cyclictest1970195-21kworker/u2:012:26:510
187729199157126,19cyclictest1874986-21kworker/u2:207:27:420
187729199156126,18cyclictest1932307-21kworker/u2:010:41:530
187729199155129,18cyclictest1895485-21kworker/u2:209:05:060
187729199155125,18cyclictest1914186-21kworker/u2:209:40:170
187729199154125,17cyclictest1881214-21kworker/u2:107:30:360
187805721510,3sleep01878060-21tr07:11:190
187729199150123,19cyclictest1897379-21kworker/u2:108:26:310
187729199150120,19cyclictest1953624-21kworker/u2:211:30:100
187729199148122,15cyclictest1936258-21kworker/u2:111:01:500
187729199148117,19cyclictest1899678-21kworker/u2:008:35:450
187729199148117,18cyclictest1976707-21kworker/u2:312:35:270
187729199146115,19cyclictest84-21jbd2/mmcblk0p2-08:50:030
187729199145115,17cyclictest1893822-21kworker/u2:008:20:360
187729199143113,18cyclictest1904297-21kworker/u2:008:50:120
187729199140113,17cyclictest1895485-21kworker/u2:208:20:060
187729199139110,18cyclictest1882882-21kworker/u2:007:51:100
187729199137109,18cyclictest1887620-21kworker/u2:207:50:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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