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2026-06-18 - 06:55
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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 Jun 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139321580,4sleep21031199cyclictest23:56:442
106891920,4ptp4l401ktimersoftd/320:52:093
106891730,1ptp4l401ktimersoftd/323:43:263
215352650,2sleep10-21swapper/121:14:031
282892640,1sleep30-21swapper/300:24:113
106891640,2ptp4l401ktimersoftd/302:03:163
106891640,2ptp4l401ktimersoftd/302:03:163
106891630,1ptp4l401ktimersoftd/322:55:103
1030199632,36cyclictest12871-21apt-get00:09:020
106891620,1ptp4l401ktimersoftd/323:21:123
304532600,4sleep21031199cyclictest00:59:112
199032600,1sleep10-21swapper/100:49:061
106891570,1ptp4l401ktimersoftd/300:57:473
10318995648,4cyclictest41-21ksoftirqd/302:19:053
72012550,2sleep00-21swapper/023:29:110
106891540,1ptp4l401ktimersoftd/302:11:273
10318995447,4cyclictest41-21ksoftirqd/301:14:033
327222530,2sleep30-21swapper/302:08:543
327222530,2sleep30-21swapper/302:08:543
1030199530,31cyclictest30592-21/usr/sbin/munin21:34:050
76652510,2sleep20-21swapper/221:53:592
10318995142,4cyclictest41-21ksoftirqd/321:08:583
1030599517,9cyclictest25-21ksoftirqd/100:59:091
1030599517,9cyclictest25-21ksoftirqd/100:43:521
106891490,2ptp4l9171-21kworker/3:223:34:243
1030599497,9cyclictest25-21ksoftirqd/123:43:501
1030599494,8cyclictest25-21ksoftirqd/123:49:011
10305994944,3cyclictest231rcuc/100:23:191
1030199491,3cyclictest3482-21diskmemload00:50:120
10318994840,4cyclictest41-21ksoftirqd/300:49:053
1030599486,9cyclictest25-21ksoftirqd/123:44:191
1030599484,9cyclictest25-21ksoftirqd/100:08:501
10305994818,9cyclictest25-21ksoftirqd/123:58:121
10301994810,22cyclictest10336-21sed01:44:280
106891470,1ptp4l401ktimersoftd/321:54:143
10318994738,4cyclictest41-21ksoftirqd/321:18:593
1030599476,9cyclictest25-21ksoftirqd/102:14:441
1030599476,9cyclictest25-21ksoftirqd/101:39:001
1030599476,9cyclictest25-21ksoftirqd/100:29:091
1030599476,8cyclictest25-21ksoftirqd/100:55:491
1030599475,7cyclictest25-21ksoftirqd/101:09:141
1030599474,7cyclictest25-21ksoftirqd/101:19:051
10305994743,2cyclictest231rcuc/100:13:421
10305994742,3cyclictest231rcuc/100:46:161
10305994742,3cyclictest231rcuc/100:14:451
10305994742,3cyclictest231rcuc/100:14:451
1030599473,6cyclictest19514-21grep01:54:131
10305994722,10cyclictest25-21ksoftirqd/123:24:021
10305994720,7cyclictest25-21ksoftirqd/101:59:171
10305994720,7cyclictest25-21ksoftirqd/101:59:171
1030199476,23cyclictest3482-21diskmemload23:22:210
1030199470,3cyclictest0-21swapper/001:02:310
1030599467,9cyclictest25-21ksoftirqd/122:39:061
1030599467,10cyclictest25-21ksoftirqd/123:29:011
1030599466,11cyclictest25-21ksoftirqd/101:53:131
1030599465,8cyclictest25-21ksoftirqd/122:34:091
1030599464,6cyclictest25-21ksoftirqd/122:24:091
1030599464,6cyclictest25-21ksoftirqd/122:24:091
1030599463,7cyclictest25-21ksoftirqd/121:44:031
1030599462,7cyclictest13031-21ssh01:48:531
10305994617,7cyclictest25-21ksoftirqd/123:34:161
1030199469,33cyclictest13545-21cpuspeed_turbos01:49:080
1030199461,3cyclictest19864-21ssh01:54:200
1030199461,37cyclictest0-21swapper/002:09:050
1030599457,9cyclictest25-21ksoftirqd/122:44:061
1030599456,9cyclictest25-21ksoftirqd/123:16:341
1030599456,8cyclictest25-21ksoftirqd/121:09:071
1030599456,8cyclictest25-21ksoftirqd/100:23:541
1030599456,10cyclictest25-21ksoftirqd/123:11:381
1030599456,10cyclictest25-21ksoftirqd/102:04:091
1030599456,10cyclictest25-21ksoftirqd/102:04:091
1030599455,9cyclictest25-21ksoftirqd/101:28:531
10305994541,2cyclictest231rcuc/122:57:201
1030599453,7cyclictest25-21ksoftirqd/122:59:051
1030599453,7cyclictest25-21ksoftirqd/121:24:011
10305994520,4cyclictest25-21ksoftirqd/102:21:301
1030599451,7cyclictest14381-21ssh23:04:061
1030199452,4cyclictest646-21in:imuxsock22:29:230
1030199452,34cyclictest29080-21apt-get22:39:000
1030199451,3cyclictest3589-21taskset00:32:140
1030199451,3cyclictest23345-21seq21:19:000
1030199450,3cyclictest6735-21/usr/sbin/munin00:34:200
1030599447,8cyclictest25-21ksoftirqd/101:37:431
1030599445,11cyclictest25-21ksoftirqd/121:43:481
1030599444,9cyclictest25-21ksoftirqd/101:30:041
1030599444,9cyclictest25-21ksoftirqd/100:34:021
1030599444,7cyclictest25-21ksoftirqd/121:04:171
1030599444,7cyclictest25-21ksoftirqd/100:03:501
1030599444,6cyclictest6339-21ssh01:08:521
1030599443,7cyclictest25-21ksoftirqd/120:59:131
1030599443,6cyclictest25-21ksoftirqd/123:19:001
1030599442,7cyclictest25-21ksoftirqd/102:09:041
1030199441,4cyclictest3482-21diskmemload23:40:510
1030199440,4cyclictest1607-21runrttasks23:57:060
1030199440,3cyclictest3482-21diskmemload23:45:140
1030199440,3cyclictest3482-21diskmemload01:37:010
1030199440,3cyclictest30334-21taskset21:33:320
106891430,14ptp4l401ktimersoftd/301:51:133
10318994334,5cyclictest41-21ksoftirqd/300:04:033
1030599435,9cyclictest25-21ksoftirqd/101:17:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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