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2025-12-09 - 19:00
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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 Tue Dec 09, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911820,5ptp4l401ktimersoftd/308:25:563
193342870,2sleep10-21swapper/109:56:581
177391740,10ptp4l401ktimersoftd/311:15:073
168742680,4sleep0101ktimersoftd/012:03:430
177391620,10ptp4l401ktimersoftd/312:04:173
245392610,5sleep2778599cyclictest10:54:522
107762570,4sleep310726-21ssh10:37:183
107412570,1sleep00-21swapper/012:33:340
76172554,39sleep20-21swapper/208:26:232
75982554,40sleep00-21swapper/008:26:080
73462534,10sleep10-21swapper/108:22:501
161942520,1sleep20-21swapper/210:44:042
177391400,1ptp4l401ktimersoftd/311:21:123
779299392,34cyclictest27920-21grep12:17:203
779299392,34cyclictest27920-21grep12:17:203
177391390,1ptp4l401ktimersoftd/313:56:043
177391390,1ptp4l401ktimersoftd/313:56:043
177391390,1ptp4l401ktimersoftd/313:45:503
177391390,1ptp4l401ktimersoftd/313:26:463
177391390,1ptp4l401ktimersoftd/313:10:063
177391390,1ptp4l401ktimersoftd/312:48:583
177391390,1ptp4l401ktimersoftd/311:26:023
177391390,0ptp4l401ktimersoftd/311:52:153
7778993832,3cyclictest25-21ksoftirqd/110:32:151
177391380,1ptp4l401ktimersoftd/313:27:573
177391380,1ptp4l401ktimersoftd/313:16:383
177391380,1ptp4l401ktimersoftd/313:04:163
177391380,1ptp4l401ktimersoftd/312:54:393
177391380,1ptp4l401ktimersoftd/312:37:133
177391380,1ptp4l401ktimersoftd/312:28:293
177391380,1ptp4l401ktimersoftd/311:48:543
177391380,1ptp4l401ktimersoftd/311:41:353
177391380,1ptp4l401ktimersoftd/310:59:423
110572380,4sleep2778599cyclictest13:50:362
177391370,1ptp4l401ktimersoftd/312:44:433
177391370,1ptp4l401ktimersoftd/312:23:223
177391370,1ptp4l401ktimersoftd/311:32:303
177391370,1ptp4l401ktimersoftd/310:50:073
177391370,1ptp4l401ktimersoftd/310:45:573
177391370,1ptp4l401ktimersoftd/310:28:583
177391370,1ptp4l401ktimersoftd/310:28:583
177391370,1ptp4l401ktimersoftd/309:22:183
177391370,0ptp4l401ktimersoftd/312:00:323
177391370,0ptp4l401ktimersoftd/310:54:453
7792993629,4cyclictest28787-21latency_hist10:16:583
7792993613,20cyclictest7640-21sh13:47:123
236552360,3sleep2778599cyclictest10:02:292
177391360,1ptp4l401ktimersoftd/312:07:393
177391360,1ptp4l401ktimersoftd/311:44:243
177391360,1ptp4l401ktimersoftd/310:33:233
73812350,4sleep0777199cyclictest13:07:390
177391350,1ptp4l401ktimersoftd/311:10:123
177391350,1ptp4l401ktimersoftd/309:32:293
7792993413,18cyclictest10977-21/usr/sbin/munin08:32:243
7792993410,4cyclictest30681-21grep10:17:273
7785993325,5cyclictest5653-21dpkg10:32:112
779299329,4cyclictest30301-21sh12:57:213
779299329,4cyclictest28675-21ptp4l13:32:253
779299325,7cyclictest10240-21grep12:32:373
779299322,5cyclictest8024-21apt-get08:27:083
7792993211,18cyclictest20884-21sh11:30:413
7785993225,4cyclictest33-21ksoftirqd/212:02:252
779299318,3cyclictest22153-21cstates10:02:133
779299313,7cyclictest14651-21apt-get09:47:103
7792993112,16cyclictest29513-21unixbench_singl09:07:243
7778993125,3cyclictest25-21ksoftirqd/111:42:211
7778993125,3cyclictest25-21ksoftirqd/109:21:571
779299308,2cyclictest0-21swapper/312:12:173
779299306,4cyclictest17485-21sh09:52:123
779299304,5cyclictest16280-21grep08:42:153
779299302,6cyclictest13446-21apt-get08:37:093
779299302,6cyclictest13446-21apt-get08:37:093
779299300,9cyclictest177391ptp4l08:57:163
7785993024,3cyclictest33-21ksoftirqd/212:49:142
7785993023,4cyclictest33-21ksoftirqd/212:37:062
7778993025,3cyclictest25-21ksoftirqd/113:17:031
7778993025,3cyclictest25-21ksoftirqd/110:42:181
7778993024,3cyclictest25-21ksoftirqd/112:47:161
270082300,2sleep00-21swapper/012:52:250
779299295,4cyclictest19292-21phc2sys08:47:173
779299295,4cyclictest1197-21latency_hist11:07:003
779299295,3cyclictest30202-21acpi09:12:093
779299295,3cyclictest26864-21swap09:02:243
779299294,6cyclictest3349-21taskset13:42:033
779299294,4cyclictest0-21swapper/313:17:163
7792992911,15cyclictest12229-21acpi09:42:083
7785992923,3cyclictest33-21ksoftirqd/213:03:172
7785992922,4cyclictest33-21ksoftirqd/211:31:172
7785992922,4cyclictest33-21ksoftirqd/208:49:542
7778992924,3cyclictest25-21ksoftirqd/113:22:201
7778992924,3cyclictest25-21ksoftirqd/111:12:191
7778992923,3cyclictest25-21ksoftirqd/111:57:141
7771992924,3cyclictest9-21ksoftirqd/013:37:210
779299287,4cyclictest575-21gltestperf09:17:163
779299286,4cyclictest31800-21uniq10:22:143
779299281,8cyclictest0-21swapper/310:07:183
779299280,9cyclictest10590-21irqrtprio09:37:153
7785992823,3cyclictest33-21ksoftirqd/213:55:042
7785992823,3cyclictest33-21ksoftirqd/213:55:042
7785992823,3cyclictest33-21ksoftirqd/211:06:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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