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2026-05-20 - 22:17
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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 rackfslot7.osadl.org (updated Wed May 20, 2026 12:46:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1181870997739,19cyclictest1343879-21needreboot12:00:191
1181870997153,18cyclictest781-21mta-sts-daemon08:04:311
1181870997133,19cyclictest1272058-21processes09:50:211
1181870997011,40cyclictest1291272-21ntpq10:25:191
1181870996930,19cyclictest0-21swapper/111:15:151
1181870996425,39cyclictest0-21swapper/107:57:031
118187099624,39cyclictest1261041-21ntpq09:30:211
1181870995839,19cyclictest331ktimers/108:09:551
1181870995819,19cyclictest877-21mta-sts-daemon12:34:261
1181873995719,38cyclictest601ktimers/407:55:174
118187599560,16cyclictest0-21swapper/607:35:156
1181870995637,19cyclictest1191542-21/usr/sbin/munin07:25:171
1181870995536,19cyclictest1363778-21sed12:35:231
1181870995517,19cyclictest1295334-21munin-run10:35:011
118187099550,15cyclictest0-21swapper/112:25:001
1181870995419,35cyclictest0-21swapper/109:39:111
1181870995419,15cyclictest0-21swapper/112:18:311
1181870995419,15cyclictest0-21swapper/112:18:311
1181873995335,0cyclictest0-21swapper/412:20:144
1181873995314,38cyclictest0-21swapper/407:45:164
1181870995319,34cyclictest0-21swapper/112:26:511
1181870995319,34cyclictest0-21swapper/109:59:511
1181870995315,19cyclictest1236395-21ntpq08:45:191
1181870995314,39cyclictest0-21swapper/111:08:251
1181875995214,19cyclictest0-21swapper/611:20:166
1181873995214,18cyclictest0-21swapper/412:25:164
1181870995233,19cyclictest0-21swapper/110:14:071
1181870995233,19cyclictest0-21swapper/108:42:311
1181870995233,19cyclictest0-21swapper/108:23:031
1181870995233,19cyclictest0-21swapper/108:23:031
1181870995233,19cyclictest0-21swapper/107:48:381
1181870995233,19cyclictest0-21swapper/107:21:071
1181870995233,19cyclictest0-21swapper/107:11:111
1181870995218,34cyclictest0-21swapper/110:00:391
1181869995213,39cyclictest0-21swapper/009:40:140
1181869995213,39cyclictest0-21swapper/008:35:130
1181875995113,19cyclictest0-21swapper/608:30:156
1181870995133,18cyclictest0-21swapper/111:32:111
1181870995133,18cyclictest0-21swapper/110:46:591
1181870995133,18cyclictest0-21swapper/109:45:171
1181870995133,18cyclictest0-21swapper/109:00:211
1181870995132,19cyclictest0-21swapper/111:55:071
1181870995132,19cyclictest0-21swapper/111:55:071
1181870995132,19cyclictest0-21swapper/111:52:431
1181870995132,19cyclictest0-21swapper/111:35:031
1181870995132,19cyclictest0-21swapper/109:10:111
1181870995132,19cyclictest0-21swapper/108:55:231
1181870995132,19cyclictest0-21swapper/108:51:391
1181870995132,19cyclictest0-21swapper/107:40:271
1181870995132,19cyclictest0-21swapper/107:40:271
1181870995113,18cyclictest0-21swapper/110:35:471
1181870995112,39cyclictest0-21swapper/111:24:271
1181870995112,39cyclictest0-21swapper/111:04:451
1181870995112,20cyclictest0-21swapper/109:06:531
1181870995111,39cyclictest0-21swapper/112:09:211
1181875995032,18cyclictest0-21swapper/610:20:176
1181870995032,18cyclictest0-21swapper/111:41:511
1181870995032,18cyclictest0-21swapper/111:14:311
1181870995032,18cyclictest0-21swapper/110:53:311
1181870995032,18cyclictest0-21swapper/110:15:471
1181869995012,19cyclictest0-21swapper/007:15:170
1181870994931,18cyclictest0-21swapper/109:20:151
1181870994930,19cyclictest0-21swapper/111:29:311
1181870994930,19cyclictest0-21swapper/110:23:071
1181870994930,19cyclictest0-21swapper/110:08:591
1181870994930,19cyclictest0-21swapper/109:15:111
1181870994930,19cyclictest0-21swapper/108:38:391
1181870994930,19cyclictest0-21swapper/108:25:191
1181870994930,19cyclictest0-21swapper/107:17:351
1181869994910,39cyclictest0-21swapper/012:15:150
1181869994910,39cyclictest0-21swapper/012:15:150
1181870994830,18cyclictest0-21swapper/108:30:151
1181870994829,19cyclictest0-21swapper/110:55:191
1181870994829,19cyclictest0-21swapper/107:50:471
1181870994829,19cyclictest0-21swapper/107:39:231
118187599479,19cyclictest0-21swapper/611:55:166
118187599479,19cyclictest0-21swapper/611:55:156
118187499478,39cyclictest0-21swapper/508:35:135
1181871994729,18cyclictest0-21swapper/210:30:152
1181870994729,18cyclictest0-21swapper/109:40:391
1181870994728,19cyclictest0-21swapper/112:11:391
1181870994728,19cyclictest0-21swapper/110:40:431
1181870994728,19cyclictest0-21swapper/109:26:181
118186999478,39cyclictest1181868-21cyclictest11:48:270
1181870994628,18cyclictest0-21swapper/111:48:391
1181875994526,19cyclictest771rcuc/612:10:156
118187399456,39cyclictest0-21swapper/407:10:174
118187299456,39cyclictest0-21swapper/310:05:143
118187199457,19cyclictest0-21swapper/209:25:142
118187199456,38cyclictest0-21swapper/210:20:172
118187399446,19cyclictest0-21swapper/409:40:154
118187499435,19cyclictest0-21swapper/511:55:165
118187499435,19cyclictest0-21swapper/511:55:165
1181870994223,19cyclictest0-21swapper/108:14:231
1181870994223,19cyclictest0-21swapper/108:14:231
1181870994223,19cyclictest0-21swapper/107:33:151
118186999423,39cyclictest0-21swapper/008:45:150
118187699413,19cyclictest0-21swapper/708:25:177
118187399412,39cyclictest0-21swapper/408:35:134
118187199413,38cyclictest0-21swapper/210:25:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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