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2025-05-13 - 06:14
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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 highest latencies:
System rack3slot6.osadl.org (updated Tue May 13, 2025 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29816210215,39sleep00-21swapper/019:06:180
303459910016,65cyclictest0-21swapper/123:30:141
30345999419,67cyclictest0-21swapper/122:45:131
3034099935,23cyclictest29720-21apt-get22:10:150
30345999114,18cyclictest0-21swapper/120:30:161
30345998929,18cyclictest261-21systemd-journal21:17:001
3034599886,19cyclictest24144-21apt-get23:25:161
30345998815,17cyclictest0-21swapper/122:15:171
3034099885,71cyclictest25887-21apt-get23:30:140
3034099885,19cyclictest21552-21apt-get20:15:100
30345998718,59cyclictest0-21swapper/120:15:101
30345998718,57cyclictest0-21swapper/120:40:141
30345998711,17cyclictest0-21swapper/122:55:141
3034099866,21cyclictest9629-21apt-get00:15:140
3034099865,22cyclictest20648-21apt-get23:15:180
3034599856,21cyclictest4051-21apt-get19:25:221
30345998521,54cyclictest0-21swapper/100:15:141
3034099855,22cyclictest4376-21apt-get00:00:170
3034599847,21cyclictest23620-21apt-get20:20:231
3034599846,19cyclictest17121-21apt-get23:05:161
30345998414,17cyclictest0-21swapper/119:20:161
3034099847,69cyclictest0-21swapper/000:10:170
30345998312,27cyclictest8536-21diskmemload21:10:141
30340998314,8cyclictest0-21swapper/000:00:020
3034599826,20cyclictest7897-21apt-get00:10:171
30345998223,17cyclictest7171-21seq19:33:061
30345998222,18cyclictest13032-21sort19:50:211
30345998216,56cyclictest0-21swapper/119:35:131
3034099825,23cyclictest25364-21apt-get20:25:160
30345998120,51cyclictest0-21swapper/123:43:271
30345998117,21cyclictest29724-21taskset22:10:151
3034099816,12cyclictest0-21swapper/023:35:170
3034599808,24cyclictest32390-21apt-get20:45:161
3034599807,24cyclictest30426-21apt-get19:10:141
3034599807,23cyclictest18910-21apt-get23:10:161
3034599807,23cyclictest18910-21apt-get23:10:161
3034599806,18cyclictest16594-21apt-get00:35:171
3034599806,17cyclictest4574-21apt-get22:30:151
30345998016,56cyclictest0-21swapper/120:55:111
30345998016,56cyclictest0-21swapper/120:55:111
30345998016,15cyclictest0-21swapper/121:45:151
30340998037,37cyclictest2424-21ntp_states20:50:320
30340998026,47cyclictest13034-21cat19:50:210
30340998011,61cyclictest0-21swapper/020:45:150
3034599796,22cyclictest15391-21apt-get23:00:181
3034599795,18cyclictest5188-21apt-get21:00:141
30345997917,49cyclictest0-21swapper/100:30:161
30340997925,47cyclictest13046-21awk22:50:400
3034599785,23cyclictest27628-21apt-get23:35:171
30345997822,20cyclictest1-21systemd19:15:031
30345997811,24cyclictest594-21runrttasks19:55:131
3034099786,14cyclictest0-21swapper/023:40:150
3034099784,21cyclictest14542-21apt-get19:55:130
30340997821,50cyclictest23013-21cat23:20:300
30340997819,53cyclictest32483-21cat23:45:460
30340997816,56cyclictest261-21systemd-journal20:09:000
30340997810,60cyclictest0-21swapper/019:40:160
30340997810,60cyclictest0-21swapper/019:40:160
3034599776,24cyclictest842-21apt-get23:50:131
3034599776,22cyclictest24435-21apt-get21:55:151
3034599776,17cyclictest19825-21apt-get20:10:171
3034599775,17cyclictest28840-21apt-get20:35:171
30345997724,20cyclictest19069-21sendmail-msp21:40:011
3034099779,10cyclictest0-21swapper/023:00:180
3034099776,59cyclictest14861-21apt-get00:30:160
3034099775,26cyclictest19227-21apt-get21:40:130
3034099775,24cyclictest2020-21apt-get19:20:160
30340997721,49cyclictest8934-21expr22:40:270
30340997710,59cyclictest0-21swapper/000:20:140
3034599768,21cyclictest2356-21munin-run22:25:011
3034599767,19cyclictest6109-21apt-get00:05:161
3034599767,19cyclictest6109-21apt-get00:05:161
3034599766,21cyclictest31528-21apt-get23:45:241
3034599766,21cyclictest18035-21apt-get20:05:141
30345997618,15cyclictest2775-21apt-key22:25:051
3034099766,14cyclictest0-21swapper/019:10:140
3034099766,12cyclictest0-21swapper/022:15:150
3034099765,11cyclictest0-21swapper/019:25:210
3034099765,10cyclictest0-21swapper/022:05:310
30340997622,49cyclictest31471-21processes20:40:340
3034099762,14cyclictest594-21runrttasks22:21:340
30340997612,56cyclictest0-21swapper/021:15:140
3034599757,19cyclictest6614-21apt-get22:35:171
3034599756,20cyclictest8426-21apt-get22:40:151
3034599756,19cyclictest4376-21apt-get00:00:141
3034599755,24cyclictest11070-21apt-get19:45:141
30345997523,15cyclictest2170-21uname20:50:271
3034099756,13cyclictest0-21swapper/023:50:130
3034099756,13cyclictest0-21swapper/020:20:250
3034099756,11cyclictest0-21swapper/022:35:170
3034099756,11cyclictest0-21swapper/019:45:140
3034099755,17cyclictest27102-21apt-get20:30:140
3034099755,12cyclictest0-21swapper/000:35:150
3034099755,10cyclictest0-21swapper/022:45:370
30340997528,40cyclictest25284-21sensors_temp21:55:370
30340997524,45cyclictest16272-21cat21:30:280
30340997522,45cyclictest23005-21cat21:50:170
3034099752,22cyclictest514-21snmpd00:05:160
3034099752,22cyclictest514-21snmpd00:05:150
30340997519,49cyclictest26527-21df22:00:190
30340997518,50cyclictest5688-21latency21:00:250
30340997515,54cyclictest14541-21awk22:55:360
3034099745,22cyclictest13943-21apt-get21:25:130
3034099742,66cyclictest18751-21seq21:37:370
30340997424,44cyclictest16460-21aten2.4-expect20:00:180
3034099742,20cyclictest9272-21memory21:10:280
30340997420,48cyclictest20762-21cat20:10:380
3034599736,25cyclictest16302-21apt-get20:00:131
3034599736,18cyclictest2581-21apt-get23:55:141
3034599733,26cyclictest23976-21ls23:25:001
30345997320,15cyclictest13462-21turbostat22:55:001
30345997320,14cyclictest26229-21telnet22:00:151
30345997315,47cyclictest0-21swapper/123:15:161
3034099736,14cyclictest0-21swapper/020:35:180
3034099736,13cyclictest0-21swapper/022:25:180
3034099736,12cyclictest0-21swapper/023:25:160
3034099736,11cyclictest0-21swapper/023:10:160
3034099736,11cyclictest0-21swapper/023:10:160
3034099733,62cyclictest6924-21apt-get21:05:130
30340997320,47cyclictest21515-21load21:45:270
30340997318,49cyclictest4104-21netstat20:55:260
30340997318,49cyclictest4104-21netstat20:55:260
30340997318,49cyclictest13661-21seq21:23:550
30340997315,53cyclictest14169-21unixbench_multi00:25:410
3034599725,17cyclictest12209-21apt-get21:20:151
30345997222,13cyclictest28516-21missed_timers22:05:281
30345997215,48cyclictest0-21swapper/120:25:161
30345997214,49cyclictest0-21swapper/121:25:131
3034099725,22cyclictest7527-21apt-get19:35:130
3034599715,23cyclictest9337-21apt-get19:40:131
3034599715,23cyclictest9337-21apt-get19:40:131
3034599715,18cyclictest6924-21apt-get21:05:151
3034599713,23cyclictest11965-21ls00:20:331
30345997119,17cyclictest494-21gdbus21:35:001
3034099715,60cyclictest0-21swapper/019:15:050
2975827127,35sleep10-21swapper/119:05:411
3034599705,21cyclictest22696-21apt-get21:50:131
30345997013,49cyclictest0-21swapper/121:40:141
3034099706,12cyclictest0-21swapper/023:05:160
3034599696,24cyclictest13126-21apt-get00:25:151
3034099696,12cyclictest0-21swapper/022:30:160
30340996915,49cyclictest5789-21/usr/sbin/munin19:30:190
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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