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2026-04-30 - 16:34
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Thu Apr 30, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2067721850,4sleep03079499cyclictest12:35:490
1911121480,4sleep13079899cyclictest13:07:171
1068911020,4ptp4l401ktimersoftd/308:24:113
30798997058,6cyclictest25-21ksoftirqd/111:47:121
119372630,4sleep3401ktimersoftd/312:27:083
3080999611,26cyclictest13811-21ssh13:34:313
30798996149,5cyclictest25-21ksoftirqd/112:22:151
30798996148,6cyclictest25-21ksoftirqd/113:22:151
3080999590,27cyclictest6071-21ssh11:13:283
30798995945,6cyclictest25-21ksoftirqd/112:57:141
26052580,2sleep3391rcuc/312:17:173
3080999561,24cyclictest13376-21taskset08:56:293
3080999560,23cyclictest15211-21sed08:57:263
324672550,2sleep30-21swapper/311:41:563
3080999551,25cyclictest22013-21diskmemload12:05:453
3080999551,24cyclictest25589-21sh10:29:433
3080999551,21cyclictest233-21systemd-journal13:12:433
3080999550,23cyclictest24075-21sh13:45:233
3080999540,23cyclictest10647-21sh12:25:193
96702530,2sleep00-21swapper/010:47:000
30809995211,24cyclictest9858-21sh13:31:053
3080999520,23cyclictest19105-21sh12:33:053
30798995241,6cyclictest25-21ksoftirqd/109:02:091
3079499515,16cyclictest30235-21systemd11:07:130
3080999481,22cyclictest22682-21sh10:59:113
30804994834,7cyclictest33-21ksoftirqd/210:52:112
30804994728,9cyclictest33-21ksoftirqd/211:08:002
30798994438,3cyclictest25-21ksoftirqd/112:52:071
30798994332,5cyclictest25-21ksoftirqd/112:17:151
3079899430,4cyclictest131rcu_sched11:07:131
3080999420,20cyclictest19476-21ssh13:40:523
297902410,2sleep00-21swapper/010:33:310
3080999401,24cyclictest6032-21/usr/sbin/munin10:42:213
3080999401,24cyclictest29665-21/usr/sbin/munin13:17:233
3080999400,20cyclictest0-21swapper/312:42:193
3080999400,20cyclictest0-21swapper/312:42:193
30804994029,6cyclictest33-21ksoftirqd/213:12:152
3080999391,23cyclictest32609-21/usr/sbin/munin10:37:183
30804993915,18cyclictest33-21ksoftirqd/212:02:142
106891390,1ptp4l401ktimersoftd/313:09:403
106891390,1ptp4l401ktimersoftd/312:47:333
106891390,1ptp4l401ktimersoftd/311:28:573
106891390,1ptp4l401ktimersoftd/311:19:413
3080999381,22cyclictest26347-21snmp_o5powerctl12:07:243
3080999380,23cyclictest16410-21ssh13:03:333
30804993830,4cyclictest33-21ksoftirqd/212:12:152
30798993827,5cyclictest25-21ksoftirqd/113:42:161
184422380,4sleep1231rcuc/109:07:091
106891380,1ptp4l401ktimersoftd/313:47:333
106891380,1ptp4l401ktimersoftd/312:54:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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