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2026-05-06 - 22:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack7slot2.osadl.org (updated Wed May 06, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18641179911396,10cyclictest1975653-21munin-node10:40:120
1864117999285,5cyclictest1855263-21kworker/u4:7+events_unbound07:13:150
1864117998881,6cyclictest1883342-21kworker/u4:18+events_unbound08:23:250
1864117998437,43cyclictest0-21swapper/009:40:020
1864118997836,28cyclictest2044469-21kworker/u4:11-rpciod12:20:321
1864118997643,30cyclictest2041808-21latency_hist11:55:011
186411899683,59cyclictest2050912-21apt-get12:05:111
1864118996649,10cyclictest0-21swapper/111:35:201
1864118996634,29cyclictest0-21swapper/109:35:251
1864118996538,24cyclictest1953078-21modprobe10:15:001
1864118996535,27cyclictest1873504-21sed07:45:161
1864118996534,28cyclictest1936443-21ntpq09:55:331
186411899643,52cyclictest2034005-21ntpq11:45:301
1864118996430,32cyclictest1976945-21unixbench_multi10:40:461
1864118996356,5cyclictest1874384-21kworker/u4:4+events_unbound07:55:011
1864118996330,30cyclictest0-21swapper/111:30:381
1864118996230,29cyclictest0-21swapper/111:18:581
186411899621,56cyclictest1904301-21apt-get09:20:101
1864117996231,27cyclictest0-21swapper/009:25:080
1864118996133,26cyclictest0-21swapper/107:15:211
1864118996132,26cyclictest0-21swapper/112:19:121
1864118996130,28cyclictest0-21swapper/111:05:271
1864118996130,28cyclictest0-21swapper/110:00:311
1864118996127,30cyclictest0-21swapper/112:25:301
1864118996051,7cyclictest398-21systemd-logind11:23:591
186411899603,47cyclictest1980777-21ssh10:45:261
1864118996032,26cyclictest1885892-21systemd08:33:261
1864118996031,26cyclictest0-21swapper/109:40:251
1864118995931,25cyclictest0-21swapper/111:40:301
1864118995930,26cyclictest0-21swapper/109:00:011
1864118995930,24cyclictest0-21swapper/110:08:431
1864118995929,27cyclictest0-21swapper/110:25:201
1864118995928,29cyclictest2016119-21netstat11:25:241
1864118995928,28cyclictest0-21swapper/111:00:231
1864118995926,30cyclictest0-21swapper/109:45:361
1864117995953,5cyclictest1888457-21kworker/u4:8+events_unbound08:46:020
1864117995953,5cyclictest1888457-21kworker/u4:8+events_unbound08:46:010
186411899584,48cyclictest1971969-21ntpq10:35:301
186411899583,49cyclictest2078240-21ntpq12:35:351
1864118995830,26cyclictest0-21swapper/110:55:201
186411899582,53cyclictest1879060-21ntpq08:05:311
186411899582,51cyclictest1881578-21ntpq08:15:311
186411899581,53cyclictest2042066-21ssh11:55:111
186411899581,32cyclictest1910903-21ssh09:26:461
186411899575,48cyclictest1966925-21ssh10:30:171
186411899574,49cyclictest1896084-21ssh09:10:351
1864118995730,20cyclictest0-21swapper/112:00:281
1864118995728,26cyclictest1879724-21aten2__08:10:141
186411899572,50cyclictest1864897-21ntpq07:10:311
1864118995724,30cyclictest0-21swapper/110:50:321
186411899571,54cyclictest2072936-21ssh12:30:111
186411899571,53cyclictest1889285-21ntpq08:45:291
186411899571,53cyclictest1889285-21ntpq08:45:291
186411899571,47cyclictest2003596-21users11:10:411
1864118995711,43cyclictest1066-21snmpd12:13:141
1864118995629,24cyclictest1924818-21kworker/u4:5+rpciod09:50:191
186411899562,50cyclictest1914025-21ssh09:30:261
1864118995533,19cyclictest0-21swapper/109:15:321
1864118995529,23cyclictest1868064-21grep07:25:061
186411899552,50cyclictest1954247-21ssh10:15:341
186411899552,48cyclictest1893098-21ntpq09:00:291
186411899552,30cyclictest1959932-21ssh10:21:471
186411899549,42cyclictest1066-21snmpd09:09:271
186411899543,48cyclictest1890524-21ntpq08:50:271
186411899543,48cyclictest1869371-21latency_hist07:30:011
1864118995332,18cyclictest0-21swapper/108:35:161
186411899532,47cyclictest1887388-21apt-get08:40:121
186411899531,48cyclictest1870101-21ntpq07:30:301
1864117995345,5cyclictest1865806-21fschecks_count07:15:200
1864117995341,7cyclictest2055358-21ssh12:10:150
186411899523,44cyclictest1882901-21ntpq08:20:311
186411899522,47cyclictest1876511-21ntpq07:55:321
186411899522,46cyclictest1872691-21ntpq07:40:321
186411899521,48cyclictest1884171-21ntpq08:25:291
186411799527,38cyclictest1994116-21ssh11:00:290
1864117995246,5cyclictest2048988-21kworker/u4:2+events_unbound12:04:000
1864117995246,5cyclictest1874383-21kworker/u4:3+events_unbound08:30:070
1864117995246,5cyclictest1855260-21kworker/u4:2+events_unbound07:54:420
1864117995245,5cyclictest1968103-21vmstat10:30:410
1864117995244,6cyclictest2021021-21diskmemload11:30:390
1864117995244,6cyclictest1949347-21fschecks_time10:10:200
1864117995234,16cyclictest0-21swapper/012:25:320
186411799522,14cyclictest2024057-21apt-get11:35:090
186411899513,43cyclictest1877756-21ntpq08:00:281
1864117995144,5cyclictest2051872-21proc_pri12:05:360
1864117995144,5cyclictest2011476-21fschecks_count11:20:200
1864117995043,5cyclictest1864116-21cyclictest12:17:460
1864117995033,14cyclictest0-21swapper/012:20:280
186411899492,44cyclictest1871289-21ntpq07:35:251
1864117994942,5cyclictest1958820-21diskmemload10:20:370
1864117994942,5cyclictest1887155-21kworker/u4:0+events_unbound09:00:400
1864117994937,9cyclictest0-21swapper/011:25:330
1864117994933,13cyclictest1895728-21if_eth009:10:210
1864117994829,17cyclictest0-21swapper/010:35:160
1864117994739,5cyclictest2013700-21kworker/u4:2-rpciod11:50:320
1864117994739,5cyclictest1894085-21fschecks_time09:05:190
1864117994739,5cyclictest1870603-21grep07:35:010
1864117994738,6cyclictest1874386-21kworker/u4:10+rpciod07:50:010
1864117994737,7cyclictest0-21swapper/012:35:290
1864117994734,10cyclictest0-21swapper/011:15:350
1864117994728,16cyclictest0-21swapper/009:50:360
1864117994640,4cyclictest1864116-21cyclictest12:00:010
1864117994639,5cyclictest2033608-21fschecks_time11:45:200
1864117994639,5cyclictest2003502-21unixbench_multi11:10:400
1864117994639,5cyclictest1868057-21munin-plugin-st07:25:050
1864117994637,6cyclictest1936313-21/usr/sbin/munin09:55:270
1864117994625,19cyclictest0-21swapper/007:35:360
1864117994622,21cyclictest1883571-21aten2__08:25:150
1864117994538,5cyclictest1944240-21munin-plugin-st10:04:590
1864117994538,5cyclictest1864116-21cyclictest09:15:340
1864117994537,6cyclictest1963207-21/usr/sbin/munin10:25:340
1864117994536,6cyclictest2029121-21fschecks_count11:40:190
1864117994536,5cyclictest1927483-21ntpq09:45:270
186411899441,37cyclictest1864224-21latency_hist07:10:011
1864117994437,5cyclictest1980340-21df_abs10:45:170
1864117994437,5cyclictest1876095-21grep07:55:190
1864117994435,7cyclictest0-21swapper/009:40:140
1864117994434,8cyclictest2076888-21diskmemload12:34:450
186411799438,4cyclictest151ktimers/009:20:220
1864117994338,4cyclictest151ktimers/008:36:470
1864117994337,4cyclictest1889949-21aten2__08:50:150
1864117994335,5cyclictest1868528-21fschecks_time07:25:190
1864117994334,7cyclictest1944755-21df_abs10:05:180
1864117994334,7cyclictest1892380-21latency_hist09:00:020
1864117994334,6cyclictest0-21swapper/010:50:240
1864117994327,14cyclictest1882094-21munin-run08:20:000
1864117994236,4cyclictest1850124-21kworker/u4:13+events_unbound07:42:020
1864117994235,5cyclictest1864204-21latency_hist07:10:010
1864117994235,5cyclictest1864116-21cyclictest10:55:230
1864117994234,6cyclictest1914532-21unixbench-2d09:30:390
1864117994233,7cyclictest1998978-21timerwakeupswit11:05:400
1864117994228,12cyclictest0-21swapper/010:15:350
1864117994134,5cyclictest1887627-21fschecks_count08:40:180
1864117994031,7cyclictest1879712-21aten2__08:10:140
1864117993833,4cyclictest1874386-21kworker/u4:10+events_unbound08:03:570
1864117993729,6cyclictest0-21swapper/008:05:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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