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2025-12-28 - 22:20
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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 Sun Dec 28, 2025 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4056565999536,40cyclictest4077107-21sort07:45:155
4056565997536,39cyclictest16270-21aten2.4-expect11:40:125
4056565997517,39cyclictest4139066-21munin-run09:35:015
4056565997133,19cyclictest0-21swapper/511:00:175
4056565997113,39cyclictest4086052-21sed08:00:225
4056565996911,58cyclictest25988-21cut11:55:205
4056565996910,40cyclictest1-21systemd07:55:025
4056565996829,39cyclictest0-21swapper/508:45:075
405656599679,40cyclictest691ktimers/509:47:415
405656599679,19cyclictest31526-21ntpq12:05:205
4056565996729,38cyclictest0-21swapper/508:09:555
4056565996527,38cyclictest0-21swapper/512:15:225
4056565996527,38cyclictest0-21swapper/510:42:365
4056565996526,39cyclictest0-21swapper/507:37:105
4056565996325,38cyclictest691ktimers/512:11:435
4056565995819,39cyclictest4119245-21munin-run09:00:015
405656599580,39cyclictest1087-21snmpd10:53:095
4056565995720,18cyclictest4132820-21unixbench_multi09:20:255
4056565995719,19cyclictest47081-21munin-run12:35:005
4056565995719,19cyclictest4186940-21/usr/sbin/munin11:00:005
4056565995617,39cyclictest4098052-21ntpq08:20:215
4056561995637,19cyclictest872-21mta-sts-daemon09:40:161
4056565995518,18cyclictest4140171-21if_eno609:35:165
4056566995415,39cyclictest0-21swapper/609:15:156
4056565995419,34cyclictest0-21swapper/512:26:025
4056565995416,19cyclictest4160332-21memory10:10:215
4056565995319,34cyclictest0-21swapper/509:17:385
4056565995319,34cyclictest0-21swapper/509:08:555
4056565995319,15cyclictest0-21swapper/510:20:435
4056565995315,19cyclictest28685-21ntpq12:00:235
4056565995314,21cyclictest4125369-21cstates09:10:135
4056565995314,20cyclictest4174930-21sed10:35:255
4056565995233,19cyclictest0-21swapper/509:53:205
4056565995233,19cyclictest0-21swapper/508:41:255
4056565995233,19cyclictest0-21swapper/508:26:425
4056565995214,19cyclictest1-21systemd07:30:025
4056565995213,39cyclictest4056897-21/usr/sbin/munin07:10:255
4056565995213,39cyclictest0-21swapper/510:45:025
4056562995214,19cyclictest0-21swapper/210:10:192
4056565995133,18cyclictest0-21swapper/511:13:165
4056565995132,19cyclictest0-21swapper/510:17:445
4056565995132,19cyclictest0-21swapper/509:55:195
4056565995132,19cyclictest0-21swapper/508:14:175
4056565995114,18cyclictest4070581-21munin-run07:35:015
4056565995113,19cyclictest4063611-21latency07:20:235
4056565995113,19cyclictest14296-21kernelversion11:35:175
4056565995112,39cyclictest0-21swapper/507:15:135
4056565995031,19cyclictest0-21swapper/509:40:045
4056565995031,19cyclictest0-21swapper/508:40:025
4056565994931,0cyclictest0-21swapper/512:35:235
4056565994911,19cyclictest0-21swapper/507:42:475
4056565994910,39cyclictest0-21swapper/508:31:055
4056562994931,0cyclictest0-21swapper/208:05:172
4056566994829,19cyclictest0-21swapper/612:10:176
4056565994829,0cyclictest0-21swapper/510:05:205
405656299489,19cyclictest191rcu_preempt10:05:162
405656099489,39cyclictest0-21swapper/008:55:150
405656599479,19cyclictest11883-21ntp_states11:30:205
4056565994728,19cyclictest0-21swapper/511:18:095
4056565994728,19cyclictest0-21swapper/509:27:465
405656299479,19cyclictest0-21swapper/211:15:152
405656199479,19cyclictest0-21swapper/107:55:171
405656599467,39cyclictest776-21dbus-daemon10:05:005
405656599467,0cyclictest0-21swapper/511:05:565
4056565994627,19cyclictest0-21swapper/511:25:155
405656299467,20cyclictest0-21swapper/209:05:172
405656599456,39cyclictest0-21swapper/511:47:445
405656599456,39cyclictest0-21swapper/509:03:175
4056565994527,18cyclictest0-21swapper/510:25:175
4056565994526,19cyclictest0-21swapper/510:30:185
405656599445,39cyclictest0-21swapper/512:24:195
405656599445,39cyclictest0-21swapper/508:18:025
405656599445,39cyclictest0-21swapper/507:56:015
405656599423,39cyclictest0-21swapper/511:51:155
405656599423,39cyclictest0-21swapper/511:23:105
405656599423,39cyclictest0-21swapper/508:51:165
4056564994239,2cyclictest4056021-21kworker/4:207:20:054
405656299411,39cyclictest0-21swapper/208:45:152
405656299402,19cyclictest0-21swapper/209:15:152
405656499390,39cyclictest4084653-21kworker/4:1+mm_percpu_wq12:26:284
405656299390,0cyclictest0-21swapper/207:10:262
405656199391,19cyclictest0-21swapper/112:35:181
405656199390,20cyclictest877-21mta-sts-daemon09:35:171
4056564993819,19cyclictest601ktimers/409:56:164
4056562993819,19cyclictest0-21swapper/212:15:182
405656199380,19cyclictest0-21swapper/111:55:151
405656799370,35cyclictest0-21swapper/709:35:177
4056567993617,19cyclictest0-21swapper/707:35:177
405656799360,35cyclictest0-21swapper/707:50:157
405656499360,36cyclictest0-21swapper/410:26:194
405656499360,35cyclictest0-21swapper/408:55:154
4056560993636,0cyclictest0-21swapper/011:00:180
4056567993516,19cyclictest0-21swapper/710:45:167
4056567993515,19cyclictest871ktimers/712:20:167
405656799350,15cyclictest0-21swapper/710:15:177
405656799350,15cyclictest0-21swapper/709:05:187
4056564993535,0cyclictest0-21swapper/407:10:164
405656499350,35cyclictest0-21swapper/409:02:124
405656499350,15cyclictest0-21swapper/408:38:104
405656299350,16cyclictest0-21swapper/210:25:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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