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2025-12-01 - 04:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot8.osadl.org (updated Mon Dec 01, 2025 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129291421030,3sleep2421rcuc/223:59:592
865356992421,1cyclictest0-21swapper/323:20:013
865356992219,1cyclictest0-21swapper/323:20:233
865356992017,1cyclictest0-21swapper/323:00:013
865356992017,1cyclictest0-21swapper/319:45:003
865356992017,1cyclictest0-21swapper/300:30:263
86535699201,14cyclictest1155873-21taskset22:35:003
86535699201,14cyclictest1083057-21taskset21:50:003
86535699198,7cyclictest10667182sleep321:39:263
865356991916,1cyclictest0-21swapper/322:45:193
865356991916,1cyclictest0-21swapper/321:25:023
865356991916,1cyclictest0-21swapper/320:04:593
86535699191,14cyclictest1196267-21taskset23:00:133
86535699191,13cyclictest905029-21chrt19:39:563
86535699191,13cyclictest1018305-21turbostat21:10:013
865356991815,1cyclictest0-21swapper/320:55:003
865356991815,1cyclictest0-21swapper/319:20:203
865356991814,1cyclictest0-21swapper/300:10:003
865356991812,3cyclictest0-21swapper/320:00:003
86535699181,13cyclictest922820-21taskset19:50:223
86535699181,13cyclictest1019518-21taskset21:10:163
86535699181,12cyclictest968123-21taskset20:30:013
86535699181,12cyclictest968123-21taskset20:30:013
86535699176,7cyclictest1319306-21taskset00:19:443
865356991714,1cyclictest0-21swapper/322:10:133
865356991714,1cyclictest0-21swapper/321:50:183
865356991714,1cyclictest0-21swapper/320:25:203
865356991714,1cyclictest0-21swapper/319:45:153
865356991714,1cyclictest0-21swapper/300:00:003
865356991713,1cyclictest0-21swapper/320:55:183
86535699171,13cyclictest955620-21taskset20:20:033
86535699171,13cyclictest879873-21chrt19:18:553
86535699171,13cyclictest1327742-21taskset00:25:053
86535699171,12cyclictest992333-21taskset20:45:243
86535699171,12cyclictest980890-21taskset20:40:153
86535699171,12cyclictest980097-21taskset20:35:503
86535699171,12cyclictest898765-21chrt19:34:553
86535699171,12cyclictest1351261-21taskset00:38:323
86535699171,12cyclictest1283352-21taskset23:51:473
86535699171,12cyclictest1250449-21taskset23:30:233
86535699171,12cyclictest1164174-21taskset22:40:133
86535699171,12cyclictest1124079-21taskset22:15:173
86535699171,11cyclictest1260968-21chrt23:40:133
86535699171,11cyclictest1059158-21taskset21:35:013
86535699164,9cyclictest1212034-21sleep23:10:003
865356991613,1cyclictest0-21swapper/323:45:243
865356991613,1cyclictest0-21swapper/322:50:213
865356991613,1cyclictest0-21swapper/320:15:193
865356991613,1cyclictest0-21swapper/300:00:213
865356991612,1cyclictest0-21swapper/321:15:143
86535699161,12cyclictest943559-21chrt20:10:173
86535699161,12cyclictest938693-21taskset20:05:173
86535699161,12cyclictest1240342-21taskset23:25:173
86535699161,12cyclictest1219930-21taskset23:14:523
86535699161,12cyclictest1145886-21chrt22:25:353
86535699161,12cyclictest1114318-21taskset22:07:233
86535699161,12cyclictest1106401-21chrt22:02:463
86535699161,12cyclictest1071203-21taskset21:40:183
86535699161,11cyclictest865557-21chrt19:10:143
86535699160,13cyclictest1139246-21chrt22:24:223
86535699160,12cyclictest892365-21chrt19:28:143
86535699160,12cyclictest1010576-21chrt21:00:193
147598160,3rtkit-daemon0-21swapper/100:30:251
86535699151,11cyclictest1309298-21taskset00:10:223
86535699151,11cyclictest1252899-21chrt23:35:123
86535699151,11cyclictest1156111-21taskset22:35:083
86535699151,11cyclictest1097414-21taskset21:55:373
86535699151,11cyclictest1034797-21chrt21:20:023
86535699150,12cyclictest1319732-21chrt00:20:073
147598140,8rtkit-daemon476-21wpa_supplicant21:20:112
10493812141,9sleep11049387-21ssh21:26:271
9775742130,6sleep1979352-21latency20:35:211
13497872131,9sleep21349928-21sh00:35:272
11806672131,3sleep11181388-21irqrtprio22:50:181
9220642120,9sleep2917820-21/usr/sbin/munin19:50:222
13443542121,8sleep01344454-21fschecks_time00:35:160
13187232128,2sleep21018304-21diskmemload00:18:242
13032462120,8sleep01303260-21latency_hist00:10:000
12518522121,8sleep01251860-21ssh23:33:210
12277922120,8sleep11227800-21ssh23:19:241
8683262110,9sleep00-21swapper/019:10:200
8593242111,4sleep20-21swapper/219:05:122
147598110,7rtkit-daemon1540-21sendmail-mta21:24:500
147598110,7rtkit-daemon1180747-21irqcore22:50:180
12704472110,8sleep21271629-21cut23:45:182
12426662110,4sleep11242674-21ssh23:25:291
12286252110,7sleep11228668-21apt-get23:20:121
11289582110,1sleep01129043-21ntp_states22:15:230
10819842111,7sleep21081990-21ssh21:47:442
10324572110,8sleep01032465-21ssh21:15:440
9178562100,3sleep0917989-21tr19:50:160
8855522100,7sleep0885730-21timerwakeupswit19:20:260
147598100,6rtkit-daemon730-21ntpd21:29:080
147598100,2rtkit-daemon214-21plymouthd22:06:161
147598100,2rtkit-daemon1034190-21ssh21:19:432
12087612100,7sleep11209376-21missed_timers23:05:201
11532652100,7sleep01153348-21ntpq22:30:220
10917552100,7sleep21091796-21fschecks_count21:55:172
995577290,6sleep1996978-21kthreadcore20:50:201
982102290,6sleep2983692-21kthreadcore20:40:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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