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2026-04-16 - 01:57
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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 Apr 15, 2026 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1025038997657,19cyclictest0-21swapper/710:40:157
1025038997537,38cyclictest1025030-21cyclictest12:22:277
1025038997436,19cyclictest871ktimers/710:28:257
1025038997133,38cyclictest871ktimers/709:23:237
1025038997032,19cyclictest1118607-21munin-run10:00:017
1025038996968,1cyclictest1158613-21ld11:10:197
1025038996931,19cyclictest1081765-21ntpq08:50:197
1025038996911,39cyclictest1181433-21taskset11:53:577
102503899689,19cyclictest0-21swapper/711:57:297
102503899689,19cyclictest0-21swapper/707:31:167
1025038996829,39cyclictest0-21swapper/709:27:137
1025038996829,39cyclictest0-21swapper/709:27:127
102503899679,38cyclictest0-21swapper/708:58:467
102503899679,19cyclictest0-21swapper/707:24:417
102503899678,19cyclictest0-21swapper/707:43:497
1025038996730,18cyclictest1046021-21ntpq07:45:217
102503899668,39cyclictest1102330-21aten2.4_rfpower09:30:107
102503899668,39cyclictest1061194-21munin-run08:15:017
102503899635,39cyclictest1165265-21latency_hist11:25:017
102503899612,19cyclictest0-21swapper/708:16:497
1025038995919,39cyclictest0-21swapper/710:36:317
1025038995919,39cyclictest0-21swapper/710:12:317
1025038995919,39cyclictest0-21swapper/708:27:157
1025038995819,39cyclictest0-21swapper/711:48:277
1025038995819,39cyclictest0-21swapper/710:19:187
1025038995819,39cyclictest0-21swapper/708:22:037
1025038995819,39cyclictest0-21swapper/707:58:507
1025038995819,38cyclictest0-21swapper/711:07:077
1025038995819,38cyclictest0-21swapper/709:13:557
1025038995719,37cyclictest0-21swapper/708:06:107
1025038995619,37cyclictest0-21swapper/710:51:187
1025038995619,37cyclictest0-21swapper/707:39:357
1025038995616,39cyclictest871ktimers/711:03:357
1025038995519,36cyclictest0-21swapper/707:52:497
1025038995517,19cyclictest1122841-21ld10:05:167
1025038995416,19cyclictest1186888-21taskset12:03:467
1025038995415,19cyclictest873-21mta-sts-daemon08:49:007
1025038995414,39cyclictest1143816-21apt-get10:45:137
1025038995414,39cyclictest0-21swapper/709:07:257
1025038995414,39cyclictest0-21swapper/709:07:257
1025038995315,19cyclictest1171715-21smartctl11:35:147
1025038995314,39cyclictest0-21swapper/712:15:337
1025038995314,39cyclictest0-21swapper/711:19:217
1025038995314,39cyclictest0-21swapper/709:19:057
1025038995314,39cyclictest0-21swapper/708:44:057
1025038995314,39cyclictest0-21swapper/707:14:497
1025038995314,19cyclictest0-21swapper/712:25:177
1025038995314,19cyclictest0-21swapper/710:33:297
1025038995314,19cyclictest0-21swapper/710:20:057
1025038995314,19cyclictest0-21swapper/709:52:457
1025038995314,19cyclictest0-21swapper/708:33:297
1025038995314,0cyclictest0-21swapper/712:35:247
1025038995314,0cyclictest0-21swapper/710:00:137
1025038995313,39cyclictest0-21swapper/709:00:157
1025038995313,39cyclictest0-21swapper/708:35:477
1025038995233,19cyclictest0-21swapper/709:48:517
1025038995213,19cyclictest0-21swapper/710:55:177
1025038995213,19cyclictest0-21swapper/707:25:257
102503899519,40cyclictest1166043-21expr11:25:127
1025038995133,18cyclictest0-21swapper/712:08:157
1025038995112,19cyclictest0-21swapper/712:11:567
1025038995112,19cyclictest0-21swapper/711:33:137
1025038995112,19cyclictest0-21swapper/707:16:417
1025033995113,38cyclictest0-21swapper/209:20:152
1025038995032,18cyclictest0-21swapper/709:43:217
1025038995011,19cyclictest0-21swapper/712:33:057
1025038995011,19cyclictest0-21swapper/711:43:457
1025038995011,19cyclictest0-21swapper/709:36:137
1025038995011,19cyclictest0-21swapper/708:01:217
1025035995012,19cyclictest0-21swapper/411:55:154
1025034994810,19cyclictest0-21swapper/312:35:163
102503799468,19cyclictest0-21swapper/612:20:166
102503799468,19cyclictest0-21swapper/610:15:146
1025037994426,18cyclictest0-21swapper/607:25:156
102503399435,19cyclictest0-21swapper/212:20:162
102503799424,19cyclictest0-21swapper/607:35:156
102503799423,39cyclictest0-21swapper/612:05:156
1025037994120,19cyclictest191rcu_preempt11:00:176
102503799400,19cyclictest0-21swapper/610:35:176
102503599391,38cyclictest601ktimers/412:10:134
102503799380,20cyclictest0-21swapper/609:52:236
1025034993836,2cyclictest1052868-21kworker/3:0+events09:06:413
1025034993836,2cyclictest1052868-21kworker/3:0+events09:06:403
102503299370,18cyclictest0-21swapper/111:35:151
102503799350,16cyclictest0-21swapper/611:45:156
1025037993434,0cyclictest0-21swapper/608:50:156
1025037993415,19cyclictest79-21ksoftirqd/607:10:156
1025037993414,19cyclictest0-21swapper/612:30:146
1025033993415,19cyclictest0-21swapper/209:15:162
1025033993415,19cyclictest0-21swapper/208:15:162
102503399340,15cyclictest0-21swapper/210:10:142
1025037993314,19cyclictest0-21swapper/611:25:156
1025037993314,19cyclictest0-21swapper/611:20:156
1025037993314,19cyclictest0-21swapper/611:15:136
1025037993314,19cyclictest0-21swapper/610:40:176
1025037993314,19cyclictest0-21swapper/609:25:216
1025037993314,19cyclictest0-21swapper/609:25:216
1025037993314,19cyclictest0-21swapper/609:20:156
1025037993314,19cyclictest0-21swapper/608:00:176
1025037993314,19cyclictest0-21swapper/607:30:156
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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