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2026-01-01 - 18:39
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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 Thu Jan 01, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
109055999113109,1cyclictest191rcu_preempt08:56:335
10905599910022,59cyclictest1101882-21apt-config07:30:015
1090559999416,59cyclictest1189350-21vmstat10:00:265
1090559998224,39cyclictest1225449-21sort11:05:185
1090559997635,19cyclictest1105331-21taskset07:35:135
1090559997214,39cyclictest1272864-21if_eno612:30:165
1090559997133,38cyclictest0-21swapper/510:20:265
1090559997113,39cyclictest1133342-21systemd-run08:25:005
109055999679,39cyclictest1158762-21apt09:10:105
109055999666,60cyclictest1126081-21ntpq08:10:185
109055999657,39cyclictest1277708-21cat12:40:015
109055999635,39cyclictest1154543-21/usr/sbin/munin09:00:225
1090559996122,39cyclictest1259040-21grep12:05:185
1090559996022,19cyclictest1236847-21ntpq11:25:215
1090559995921,19cyclictest1266525-21aten2.4_rfpower12:20:125
1090561995856,1cyclictest0-21swapper/709:25:117
1090559995839,19cyclictest691ktimers/509:40:005
1090559995839,19cyclictest691ktimers/508:50:045
1090559995820,38cyclictest0-21swapper/512:00:475
1090559995718,39cyclictest691ktimers/509:24:125
1090559995718,39cyclictest691ktimers/507:47:005
1090559995637,19cyclictest1109291-21ntpq07:40:205
1090559995618,19cyclictest1239457-21memory11:30:185
1090559995536,19cyclictest691ktimers/508:16:055
1090559995517,38cyclictest0-21swapper/507:19:495
1090561995415,20cyclictest0-21swapper/710:05:167
1090559995416,19cyclictest1184199-21cat09:55:015
1090559995416,19cyclictest1161815-21awk09:15:115
109055999540,35cyclictest1176944-21ld09:40:215
1090559995335,18cyclictest691ktimers/511:56:125
1090559995319,34cyclictest0-21swapper/511:49:025
1090559995318,35cyclictest0-21swapper/511:50:275
1090559995314,39cyclictest691ktimers/511:12:065
1090559995314,39cyclictest0-21swapper/510:18:535
1090560995214,19cyclictest0-21swapper/611:15:156
1090559995234,18cyclictest691ktimers/508:34:475
1090559995218,34cyclictest0-21swapper/511:15:035
1090559995218,15cyclictest0-21swapper/510:45:465
1090559995214,19cyclictest0-21swapper/509:45:405
1090559995213,39cyclictest0-21swapper/512:18:035
1090554995214,19cyclictest0-21swapper/010:30:180
1090559995132,19cyclictest0-21swapper/511:41:515
1090559995132,0cyclictest0-21swapper/509:30:195
1090559995132,0cyclictest0-21swapper/509:30:185
1090559995113,19cyclictest0-21swapper/507:59:365
1090559995113,19cyclictest0-21swapper/507:11:595
1090559995032,18cyclictest0-21swapper/510:25:235
1090559995032,18cyclictest0-21swapper/510:09:475
1090559995032,18cyclictest0-21swapper/509:09:235
1090559995032,18cyclictest0-21swapper/508:40:235
1090559995032,18cyclictest0-21swapper/507:21:085
1090559995031,19cyclictest0-21swapper/508:45:305
1090559995011,39cyclictest0-21swapper/510:45:005
1090559995010,39cyclictest0-21swapper/511:20:045
1090555995012,19cyclictest0-21swapper/110:40:181
1090559994910,39cyclictest0-21swapper/510:13:095
1090559994910,39cyclictest0-21swapper/510:00:005
1090559994910,39cyclictest0-21swapper/508:00:285
1090558994931,18cyclictest0-21swapper/412:35:174
1090561994828,20cyclictest0-21swapper/707:30:197
1090561994810,19cyclictest0-21swapper/711:35:167
109055999489,39cyclictest0-21swapper/509:26:015
1090559994830,18cyclictest0-21swapper/510:50:035
1090559994830,18cyclictest0-21swapper/510:30:385
1090559994830,18cyclictest0-21swapper/508:09:435
1090557994810,19cyclictest0-21swapper/307:25:173
109055999479,19cyclictest1141131-21chrt08:35:345
109055999479,19cyclictest0-21swapper/508:28:125
109055999478,39cyclictest0-21swapper/512:26:515
109055999478,39cyclictest0-21swapper/512:11:115
109055999478,39cyclictest0-21swapper/511:04:175
1090559994729,18cyclictest0-21swapper/507:54:235
109055599479,19cyclictest0-21swapper/111:10:151
109056199468,19cyclictest0-21swapper/711:00:177
109055999469,18cyclictest691ktimers/510:58:125
1090559994628,18cyclictest0-21swapper/507:32:125
109055599467,39cyclictest0-21swapper/112:30:161
109055499468,38cyclictest0-21swapper/011:25:160
109055999456,39cyclictest0-21swapper/511:37:555
109055499457,19cyclictest0-21swapper/009:30:180
109055499457,19cyclictest0-21swapper/009:30:170
109055499456,39cyclictest0-21swapper/007:30:190
1090559994325,18cyclictest0-21swapper/510:35:155
109055899434,39cyclictest0-21swapper/410:55:164
109055799435,19cyclictest0-21swapper/310:10:163
1090555994325,0cyclictest0-21swapper/109:55:161
109055599424,19cyclictest0-21swapper/108:10:161
109055499413,19cyclictest0-21swapper/007:20:150
109055899402,19cyclictest0-21swapper/410:00:174
1090554994022,18cyclictest0-21swapper/012:00:170
109055799390,38cyclictest0-21swapper/311:50:183
109055699390,38cyclictest0-21swapper/209:30:182
109055699390,38cyclictest0-21swapper/209:30:172
109055699390,20cyclictest1093535-21kworker/2:007:45:162
109055599390,38cyclictest0-21swapper/110:10:151
109055599390,20cyclictest0-21swapper/112:15:161
109056199380,38cyclictest0-21swapper/709:50:177
109055699380,37cyclictest0-21swapper/211:30:152
1090558993714,20cyclictest1087-21snmpd07:19:494
109055799370,36cyclictest0-21swapper/309:50:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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