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2026-04-21 - 03:07
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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 the 100 highest latencies:
System rack7slot2.osadl.org (updated Tue Apr 21, 2026 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2004344998048,10cyclictest2053518-21ssh21:30:230
2004344998048,10cyclictest2053518-21ssh21:30:220
2004346997541,32cyclictest2055918-21systemd21:32:331
2004346997541,32cyclictest2055918-21systemd21:32:331
2004344997333,15cyclictest2062157-21apt-get21:40:140
2004344997333,12cyclictest2007072-21apt-get19:20:110
2004346997136,32cyclictest2201679-21gltestperf00:20:211
2004346997136,32cyclictest2201679-21gltestperf00:20:211
2004346997126,40cyclictest0-21swapper/120:50:391
2004344997131,13cyclictest2180409-21ntpq23:55:300
2004346997034,33cyclictest0-21swapper/123:30:371
200434699698,51cyclictest2214050-21ssh00:35:051
200434699693,22cyclictest2193299-21ntpq00:10:271
2004346996917,47cyclictest2092865-21ssh22:15:131
2004344996946,8cyclictest2004341-21cyclictest00:20:350
2004344996946,8cyclictest2004341-21cyclictest00:20:340
200434699673,19cyclictest2167418-21ntpq23:40:281
2004344996720,28cyclictest2089782-21grep22:10:410
200434699664,13cyclictest2080610-21ssh22:00:351
2004346996632,30cyclictest0-21swapper/100:00:311
2004344996658,6cyclictest2121618-21kworker/u4:11+events_unbound23:28:010
2004344996623,9cyclictest2210040-21ssh00:30:190
2004346996552,10cyclictest2071194-21df_abs21:50:171
2004346996533,29cyclictest2132026-21latency_hist23:00:011
200434699652,14cyclictest2210531-21ntpq00:30:301
200434699643,21cyclictest2163281-21ntpq23:35:341
2004346996429,33cyclictest2149842-21ssh23:20:201
200434699642,8cyclictest2057779-21ssh21:35:151
200434699642,8cyclictest2057779-21ssh21:35:141
2004346996427,32cyclictest0-21swapper/122:25:431
2004344996444,13cyclictest0-21swapper/022:25:130
2004344996426,12cyclictest2124455-21ntpq22:50:450
2004344996424,15cyclictest2006344-21ntpq19:15:250
2004344996424,14cyclictest2135014-21ssh23:03:050
2004344996423,16cyclictest2207193-21ssh00:26:210
2004346996352,8cyclictest2011992-21apt-get19:40:091
2004346996341,19cyclictest2132629-21gltestperf23:00:201
200434699633,7cyclictest2084410-21df_inode22:05:201
2004346996334,27cyclictest0-21swapper/100:08:041
2004346996329,30cyclictest0-21swapper/123:55:391
2004346996328,31cyclictest0-21swapper/123:25:191
2004346996324,35cyclictest0-21swapper/121:20:311
200434699631,18cyclictest2119898-21sh22:45:281
2004344996339,19cyclictest2162385-21apt-get23:35:110
2004344996326,12cyclictest2141667-21ntpq23:10:340
2004344996324,15cyclictest2129860-21ssh22:56:470
2004346996253,6cyclictest2145118-21apt-get23:15:171
200434699624,48cyclictest2089179-21ssh22:10:261
200434699623,7cyclictest0-21swapper/120:35:341
2004346996232,27cyclictest0-21swapper/119:10:201
200434699623,14cyclictest2115433-21ssh22:40:251
2004346996228,31cyclictest0-21swapper/121:55:181
2004346996227,32cyclictest0-21swapper/100:20:021
200434499624,45cyclictest2176223-21ssh23:50:400
2004344996226,12cyclictest378-21dbus-daemon19:37:150
2004344996224,15cyclictest2050973-21ssh21:26:410
2004344996222,14cyclictest2074339-21ssh21:53:550
200434699615,7cyclictest2176195-21ntpq23:50:381
2004346996127,31cyclictest0-21swapper/121:40:411
2004346996127,30cyclictest2175191-21diskmemload23:50:031
2004346996127,30cyclictest2175191-21diskmemload23:50:021
2004346996125,32cyclictest0-21swapper/122:50:421
2004344996127,10cyclictest2019275-21ntpq20:05:300
2004344996124,12cyclictest2076782-21ssh21:55:520
2004344996123,14cyclictest2216329-21ssh00:37:090
2004344996123,13cyclictest2185329-21users00:00:430
200434699605,9cyclictest0-21swapper/119:20:351
2004346996030,27cyclictest0-21swapper/121:10:021
2004346996028,29cyclictest2017812-21tail20:00:201
2004346996025,31cyclictest0-21swapper/121:25:291
2004344996033,3cyclictest2158093-21apt-get23:30:140
2004344996027,10cyclictest2167584-21ntpq23:40:360
2004344996024,13cyclictest2119866-21ntpq22:45:260
2004344996023,13cyclictest2191261-21ssh00:08:190
2004344996023,12cyclictest2107286-21head22:30:410
2004344996023,10cyclictest2200643-21ssh00:19:410
2004344996021,14cyclictest2029182-21diskstats20:45:210
2004344996021,13cyclictest2150008-21irqstats23:20:210
2004346995954,3cyclictest2033955-21kworker/u4:20+events_unbound21:02:301
2004346995952,5cyclictest2137687-21/usr/sbin/munin23:05:391
2004346995933,23cyclictest0-21swapper/121:45:271
2004346995927,30cyclictest2109128-21sh22:33:311
200434699592,16cyclictest2206862-21ssh00:25:501
2004346995921,34cyclictest0-21swapper/120:14:591
2004346995916,38cyclictest2098131-21sh22:20:361
2004344995954,3cyclictest2022353-21kworker/u4:14+events_unbound21:22:320
2004344995934,9cyclictest2084914-21ntpq22:05:320
2004344995930,26cyclictest2014186-21ntp_states19:45:330
2004344995925,11cyclictest2193346-21ntpq00:10:300
2004344995921,14cyclictest2096487-21ssh22:19:180
2004344995920,15cyclictest2083089-21ssh22:03:500
2004344995918,23cyclictest2097597-21fschecks_count22:20:200
200434699584,12cyclictest2024414-21ntpq20:25:241
200434699583,8cyclictest2036356-21ntpq21:10:291
2004346995826,28cyclictest0-21swapper/122:35:321
2004346995826,28cyclictest0-21swapper/120:55:361
2004346995825,31cyclictest2022795-21df_abs20:20:181
2004346995820,35cyclictest2030027-21systemd20:47:261
2004344995849,7cyclictest398-21systemd-logind23:17:560
2004344995826,9cyclictest2114283-21ssh22:39:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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