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2026-04-30 - 15:18
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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 100 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
106891380,1ptp4l401ktimersoftd/312:12:093
106891380,1ptp4l401ktimersoftd/311:35:213
3080999371,21cyclictest9728-21/usr/sbin/munin12:57:193
3080999371,21cyclictest233-21systemd-journal11:23:243
3080999370,22cyclictest14652-21taskset10:09:043
3080999370,21cyclictest0-21swapper/311:48:093
30798993731,3cyclictest25-21ksoftirqd/110:42:131
30798993729,3cyclictest25-21ksoftirqd/113:47:151
106891370,1ptp4l401ktimersoftd/313:24:083
106891370,1ptp4l401ktimersoftd/312:38:013
106891370,1ptp4l401ktimersoftd/311:08:193
106891370,1ptp4l401ktimersoftd/311:03:033
106891370,1ptp4l401ktimersoftd/311:03:033
106891370,1ptp4l401ktimersoftd/310:32:133
106891370,0ptp4l401ktimersoftd/311:53:323
30798993614,6cyclictest25-21ksoftirqd/111:57:221
106891360,0ptp4l401ktimersoftd/308:36:123
30809993515,17cyclictest346-21sh13:53:173
30809993514,17cyclictest10298-21ls10:47:163
3080999350,21cyclictest0-21swapper/308:51:523
30798993528,4cyclictest25-21ksoftirqd/108:37:021
3034423513,11sleep233-21ksoftirqd/208:22:282
106891350,0ptp4l401ktimersoftd/311:45:563
30809993411,19cyclictest16480-21grep10:12:193
30798993428,3cyclictest25-21ksoftirqd/110:52:001
30798993423,5cyclictest25-21ksoftirqd/111:17:121
30798993422,6cyclictest25-21ksoftirqd/111:02:111
30798993422,6cyclictest25-21ksoftirqd/111:02:111
3080999333,23cyclictest9854-21apt-get09:57:093
3080999332,23cyclictest5044-21apt-get09:47:113
3080999330,20cyclictest2601-21/usr/sbin/munin09:42:283
30804993328,3cyclictest33-21ksoftirqd/208:36:572
30804993319,12cyclictest33-21ksoftirqd/213:42:192
30798993328,3cyclictest25-21ksoftirqd/108:36:581
30798993327,3cyclictest25-21ksoftirqd/113:17:041
30798993323,5cyclictest25-21ksoftirqd/108:57:111
30798993322,5cyclictest25-21ksoftirqd/109:42:101
3040823312,10sleep10-21swapper/108:23:161
3080999322,23cyclictest14942-21apt-get10:52:113
30809993211,18cyclictest8692-21ls08:46:573
30798993226,3cyclictest25-21ksoftirqd/111:32:171
30794993227,3cyclictest2370-21cron09:41:580
3080999311,26cyclictest23885-21irqrtprio09:17:173
3080999311,26cyclictest23885-21irqrtprio09:17:173
3080999311,24cyclictest0-21swapper/309:07:093
30809993111,17cyclictest18180-21cat10:17:173
30804993125,3cyclictest33-21ksoftirqd/212:00:042
3079899319,19cyclictest32106-21ssh10:37:011
30798993125,3cyclictest25-21ksoftirqd/111:22:351
30798993119,6cyclictest25-21ksoftirqd/111:27:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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