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2025-12-05 - 00:40
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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 Thu Dec 04, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
192036122930,2sleep01920360-21ld11:21:050
185604722910,2sleep01856048-21if_err_eth007:55:220
186276022690,3chrt1862761-21munin-plugin-st08:20:010
188216622610,2chrt1882168-21grep09:25:350
188742122480,3chrt1887415-21ntp_states09:41:220
187671422470,2sleep01876715-21latency_hist09:10:010
191076022450,4chrt1910758-21/usr/sbin/munin10:51:500
184318199245208,25cyclictest1851399-31find07:38:290
194529122440,4chrt1945276-21ntpq12:36:100
187904822430,3chrt1879042-21ntpq09:16:100
192417222390,3chrt1924171-21/usr/sbin/munin11:32:000
192307622370,2sleep01923077-21sh11:30:020
189727422350,2sleep01897275-21cat10:11:230
186142722240,4chrt1861428-21latency_hist08:15:060
184318199224194,19cyclictest1932680-21kworker/u2:112:01:410
184318199223195,18cyclictest1904864-21kworker/u2:210:40:270
184318199222192,18cyclictest1913088-21kworker/u2:011:55:290
190027922100,2sleep01900281-21latency10:20:370
190496422060,2sleep01904965-21date10:35:110
192557122010,1sleep01925574-21cut11:36:490
185757322010,2sleep01857574-21ls08:00:260
184382422010,2sleep01843825-21collect207:11:100
184318199199165,22cyclictest112-21systemd-journal07:55:030
190256721980,3sleep01902568-21ssh10:26:460
184318199193164,18cyclictest1913088-21kworker/u2:011:05:290
184318199185156,18cyclictest1858991-21kworker/u2:008:10:040
184318199185155,19cyclictest1850161-21kworker/u2:107:35:030
189979021830,2sleep01899791-21rm10:19:420
184318199183153,20cyclictest29-21kswapd011:51:320
184318199183151,21cyclictest1885365-21awk09:35:310
184318199180151,19cyclictest1904864-21kworker/u2:211:00:060
184318199180147,23cyclictest1898045-21kworker/u2:110:35:040
184318199179146,21cyclictest1930998-21kworker/u2:212:06:520
184318199178147,19cyclictest1850161-21kworker/u2:107:40:340
184318199177149,18cyclictest1896349-21kworker/u2:210:10:070
184318199177146,19cyclictest1843190-21kworker/u2:107:10:070
184318199175145,19cyclictest1884891-21kworker/u2:309:51:490
184318199175145,19cyclictest1865570-21kworker/u2:008:36:170
184318199174146,17cyclictest1937834-21kworker/u2:012:20:070
184318199171143,18cyclictest1865570-21kworker/u2:008:45:040
192895321700,3chrt1928954-21/usr/sbin/munin11:46:510
184318199170141,18cyclictest1874386-21kworker/u2:009:15:100
184318199170140,20cyclictest1913088-21kworker/u2:011:11:500
184318199169139,19cyclictest1844965-21kworker/u2:207:16:200
184318199168140,17cyclictest1853023-21kworker/u2:207:45:220
184318199167139,18cyclictest1863282-21kworker/u2:108:26:170
184318199166139,18cyclictest1891240-21kworker/u2:010:01:470
184318199165135,19cyclictest1937834-21kworker/u2:012:21:420
184318199165135,19cyclictest1930998-21kworker/u2:212:11:550
184318199164134,19cyclictest1880031-21kworker/u2:209:31:590
184318199164130,23cyclictest1944678-21true12:35:040
184318199162132,18cyclictest1865570-21kworker/u2:008:31:190
184318199161131,18cyclictest1858991-21kworker/u2:008:20:380
184318199160132,19cyclictest1844965-21kworker/u2:207:26:200
184318199160132,18cyclictest1886742-21kworker/u2:110:00:030
184318199160132,17cyclictest1884891-21kworker/u2:309:50:100
184318199160131,19cyclictest29-21kswapd012:26:310
184318199160130,19cyclictest1904864-21kworker/u2:210:50:020
184318199159130,18cyclictest1921350-21kworker/u2:211:40:530
184318199156129,17cyclictest1870985-21kworker/u2:208:50:040
184318199156127,18cyclictest1874386-21kworker/u2:009:01:210
184318199152123,18cyclictest1844965-21kworker/u2:207:25:030
184318199152122,20cyclictest29-21kswapd011:01:310
184318199150122,17cyclictest1870985-21kworker/u2:208:55:040
184318199149121,18cyclictest1872538-21kworker/u2:108:55:420
184318199148120,17cyclictest1917831-21kworker/u2:111:16:140
184318199146118,18cyclictest1874386-21kworker/u2:009:20:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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