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2026-07-30 - 23:06
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot4.osadl.org (updated Thu Jul 30, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1043663994946,2cyclictest1155665-21lspci08:57:491
104366699282,24cyclictest1306413-21ps11:25:162
104366699282,21cyclictest1074479-21apt-get07:40:122
104366699271,3cyclictest1089715-21apt-get07:55:122
104366699271,22cyclictest0-21swapper/211:40:132
104366699271,22cyclictest0-21swapper/211:40:122
1043661992715,2cyclictest191rcu_preempt11:50:000
104366699262,3cyclictest1244613-21apt-get10:25:112
104366699262,2cyclictest1372369-21apt-get12:30:122
104366699261,3cyclictest0-21swapper/207:10:102
104366699260,23cyclictest1186550-21netstat09:25:192
104366399262,21cyclictest1249706-21apt-get10:30:111
1043666992520,3cyclictest1357138-21apt-get12:15:112
104366699251,3cyclictest1140457-21seq08:45:142
104366699251,22cyclictest1331686-21apt-get11:50:142
104366699251,22cyclictest0-21swapper/208:25:102
104366699251,21cyclictest0-21swapper/211:45:092
104366699251,21cyclictest0-21swapper/209:20:132
104366899242,2cyclictest1255203-21apt-get10:35:123
104366899241,21cyclictest1110037-21apt-get08:15:113
104366899240,22cyclictest1223875-21taskset10:05:113
1043666992420,2cyclictest1156657-21apt-get09:00:102
1043666992420,2cyclictest1156657-21apt-get09:00:102
1043666992419,3cyclictest1341822-21apt-get12:00:122
1043666992417,5cyclictest1228685-21idleruntime-cro10:10:002
104366699241,2cyclictest1228959-21apt-get10:10:132
104366699241,21cyclictest1311462-21sed11:30:162
104366699241,21cyclictest0-21swapper/211:15:122
104366699241,21cyclictest0-21swapper/208:40:132
104366699241,21cyclictest0-21swapper/207:25:102
104366699241,20cyclictest0-21swapper/209:05:122
1043663992420,2cyclictest1043876-21apt-get07:10:111
104366399241,20cyclictest1120170-21apt-get08:25:101
104366399240,21cyclictest1192884-21chrt09:35:121
1043661992420,2cyclictest1177464-21apt-get09:20:130
1043661992420,2cyclictest1167298-21apt-get09:10:130
104366199241,2cyclictest1187770-21apt-get09:30:130
104366199240,23cyclictest0-21swapper/007:40:120
104366899231,2cyclictest1079578-21apt-get07:45:123
104366899231,21cyclictest1078423-21ntpq07:40:203
104366899231,20cyclictest1352029-21apt-get12:10:123
104366699232,20cyclictest1054090-21apt-get07:20:122
1043666992319,3cyclictest0-21swapper/208:00:122
1043666992319,2cyclictest1346918-21taskset12:05:132
1043666992318,3cyclictest1107176-21chrt08:10:182
104366699231,2cyclictest0-21swapper/211:35:112
104366699231,2cyclictest0-21swapper/210:35:122
104366699231,2cyclictest0-21swapper/208:30:142
104366699231,2cyclictest0-21swapper/208:15:122
104366699231,21cyclictest0-21swapper/208:50:132
104366699230,3cyclictest0-21swapper/207:55:012
104366699230,2cyclictest1130309-21apt-get08:35:122
104366699230,21cyclictest1243913-21cron10:25:002
104366399231,2cyclictest3777322-21systemd-journal10:39:591
104366399231,2cyclictest1218796-21apt-get10:00:091
104366399231,19cyclictest0-21swapper/112:25:101
104366399230,22cyclictest1188257-21sed09:30:181
104366199232,1cyclictest1223872-21apt-get10:05:120
1043661992320,1cyclictest1161550-21basename09:05:000
1043661992320,1cyclictest1161550-21basename09:05:000
1043661992319,2cyclictest1094779-21apt-get08:00:100
1043661992318,2cyclictest1243920-21awk10:25:000
104366199231,2cyclictest1367296-21apt-get12:25:100
104366199231,20cyclictest1125247-21apt-get08:30:120
104366199230,21cyclictest1306416-21grep11:25:150
104366199230,21cyclictest0-21swapper/008:35:120
104366199230,20cyclictest1089460-21turbostat07:55:010
1043668992219,2cyclictest1234022-21apt-get10:15:103
1043668992219,2cyclictest1053811-21cron07:20:013
1043668992218,3cyclictest1306420-21irqcore11:25:163
1043668992218,1cyclictest0-21swapper/309:35:123
104366899220,2cyclictest1172877-21tr09:15:163
104366899220,19cyclictest64-21kcompactd012:20:023
104366899220,19cyclictest1182605-21apt-get09:25:123
1043666992219,2cyclictest0-21swapper/210:40:112
1043666992219,1cyclictest0-21swapper/211:00:112
1043666992218,2cyclictest0-21swapper/210:15:102
1043666992217,2cyclictest1069413-21apt-get07:35:122
104366699221,2cyclictest1275423-21apt-get10:55:102
104366699221,2cyclictest0-21swapper/209:51:392
104366699221,20cyclictest0-21swapper/211:05:122
104366699220,2cyclictest0-21swapper/210:50:142
104366699220,2cyclictest0-21swapper/210:00:092
104366699220,2cyclictest0-21swapper/209:16:102
104366699220,2cyclictest0-21swapper/208:05:112
104366699220,20cyclictest1336752-21apt-get11:55:122
104366699220,20cyclictest1166607-21apt-get09:10:022
104366699220,20cyclictest0-21swapper/212:25:102
104366699220,20cyclictest0-21swapper/209:55:132
1043663992219,2cyclictest1342309-21irqcore12:00:161
1043663992219,1cyclictest1285571-21apt-get11:05:111
104366399221,20cyclictest1321090-21apt-get11:40:121
104366399221,20cyclictest1321090-21apt-get11:40:121
104366399221,1cyclictest1172383-21apt-get09:15:121
104366399220,21cyclictest1377942-21irqcore12:35:141
104366399220,19cyclictest0-21swapper/111:20:101
104366399220,19cyclictest0-21swapper/110:50:141
104366399220,19cyclictest0-21swapper/109:05:111
104366399220,19cyclictest0-21swapper/107:50:101
104366399220,19cyclictest0-21swapper/107:30:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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