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2026-09-07 - 16:37
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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 Mon Sep 07, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068912270,4ptp4l401ktimersoftd/309:34:033
1131321370,3sleep00-21swapper/014:24:380
106891800,2ptp4l401ktimersoftd/314:05:333
106891790,1ptp4l401ktimersoftd/313:57:223
106891690,1ptp4l401ktimersoftd/309:55:163
106891680,1ptp4l401ktimersoftd/313:11:363
133472670,5sleep113350-21gltestperf09:34:011
106891660,1ptp4l401ktimersoftd/314:19:553
106891640,1ptp4l401ktimersoftd/311:39:183
106891630,2ptp4l401ktimersoftd/310:04:003
87552610,4sleep31511999cyclictest13:17:083
1511299606,9cyclictest22588-21munin-run12:58:492
23272590,1sleep20-21swapper/214:15:532
167042590,3sleep11510699cyclictest09:39:101
5352580,2sleep00-21swapper/012:03:210
106891580,1ptp4l401ktimersoftd/312:35:233
106891580,1ptp4l401ktimersoftd/311:47:303
106891570,1ptp4l401ktimersoftd/313:29:283
106891560,1ptp4l401ktimersoftd/312:48:113
84312550,2sleep20-21swapper/214:23:032
277792540,1sleep00-21swapper/011:57:510
15112995420,10cyclictest33-21ksoftirqd/215:04:012
1511299535,5cyclictest33-21ksoftirqd/214:09:092
106891530,2ptp4l401ktimersoftd/313:18:573
106891530,1ptp4l401ktimersoftd/311:14:373
15112995222,8cyclictest33-21ksoftirqd/214:04:272
15112995222,10cyclictest33-21ksoftirqd/212:36:232
15112995221,8cyclictest33-21ksoftirqd/211:58:182
15112995214,8cyclictest33-21ksoftirqd/214:54:082
106891520,0ptp4l401ktimersoftd/312:54:563
15112995121,9cyclictest33-21ksoftirqd/213:17:582
15112995021,8cyclictest33-21ksoftirqd/214:46:242
15112995021,8cyclictest33-21ksoftirqd/214:46:242
15112995020,8cyclictest33-21ksoftirqd/213:59:432
15112995020,8cyclictest33-21ksoftirqd/212:52:122
15112995019,9cyclictest33-21ksoftirqd/212:28:062
15112994922,7cyclictest33-21ksoftirqd/211:53:482
15112994922,6cyclictest33-21ksoftirqd/214:28:512
15112994920,8cyclictest33-21ksoftirqd/212:44:552
15112994919,9cyclictest33-21ksoftirqd/213:56:312
1511299486,9cyclictest33-21ksoftirqd/214:59:072
1511299486,7cyclictest20470-21munin-run09:48:452
1511299485,7cyclictest33-21ksoftirqd/211:43:582
1511299483,8cyclictest33-21ksoftirqd/213:33:502
15112994821,4cyclictest33-21ksoftirqd/211:08:472
15112994820,8cyclictest33-21ksoftirqd/212:11:412
1511299477,8cyclictest25620-21hddtemp_smartct13:34:082
1511299476,11cyclictest33-21ksoftirqd/210:04:132
1511299475,9cyclictest33-21ksoftirqd/212:04:052
1511299475,10cyclictest33-21ksoftirqd/212:39:112
1511299474,7cyclictest33-21ksoftirqd/214:39:052
1511299474,10cyclictest33-21ksoftirqd/212:19:122
1511299473,8cyclictest33-21ksoftirqd/210:44:002
15112994721,4cyclictest33-21ksoftirqd/213:41:572
15112994719,10cyclictest33-21ksoftirqd/213:08:072
1511299466,7cyclictest28806-21apt-get11:13:472
1511299464,8cyclictest33-21ksoftirqd/213:44:142
1511299464,7cyclictest33-21ksoftirqd/211:29:082
1511299463,8cyclictest33-21ksoftirqd/213:51:192
1511299463,8cyclictest33-21ksoftirqd/209:54:052
15112994620,9cyclictest33-21ksoftirqd/210:54:002
15112994618,10cyclictest33-21ksoftirqd/210:58:482
15112994617,8cyclictest33-21ksoftirqd/210:50:202
1511299457,7cyclictest33-21ksoftirqd/213:13:502
1511299457,4cyclictest9974-21tail11:39:072
1511299456,9cyclictest33-21ksoftirqd/210:09:062
1511299456,8cyclictest33-21ksoftirqd/211:59:072
1511299454,8cyclictest26005-21apt-get12:29:012
1511299454,6cyclictest33-21ksoftirqd/213:24:182
1511299454,5cyclictest33-21ksoftirqd/212:14:012
15112994515,6cyclictest33-21ksoftirqd/214:36:242
15112994515,6cyclictest33-21ksoftirqd/214:36:242
1511299446,7cyclictest33-21ksoftirqd/214:49:112
1511299446,6cyclictest33-21ksoftirqd/211:19:072
1511299446,6cyclictest33-21ksoftirqd/211:19:072
1511299445,6cyclictest33-21ksoftirqd/210:28:472
1511299444,6cyclictest33-21ksoftirqd/211:34:152
1511299443,7cyclictest33-21ksoftirqd/209:39:142
1511299442,7cyclictest33-21ksoftirqd/213:18:512
15112994417,10cyclictest33-21ksoftirqd/210:16:592
1511299440,8cyclictest321ktimersoftd/211:14:072
1511299436,9cyclictest33-21ksoftirqd/210:33:592
1511299436,7cyclictest33-21ksoftirqd/214:29:052
1511299436,6cyclictest33-21ksoftirqd/210:39:012
1511299435,8cyclictest33-21ksoftirqd/210:24:012
1511299435,7cyclictest33-21ksoftirqd/212:59:182
1511299435,7cyclictest33-21ksoftirqd/211:24:052
1511299434,7cyclictest33-21ksoftirqd/210:23:472
106891430,1ptp4l401ktimersoftd/313:52:463
1511299424,6cyclictest33-21ksoftirqd/209:49:072
15106994034,3cyclictest6077-21cron11:33:471
24662390,2sleep00-21swapper/012:04:100
1511299395,8cyclictest33-21ksoftirqd/209:59:042
106891390,2ptp4l28327-21kworker/3:213:08:273
106891390,1ptp4l401ktimersoftd/314:58:293
15102993830,4cyclictest9-21ksoftirqd/014:44:030
15102993830,4cyclictest9-21ksoftirqd/014:44:030
106891380,1ptp4l401ktimersoftd/313:01:323
106891380,1ptp4l401ktimersoftd/312:38:573
106891380,1ptp4l401ktimersoftd/312:05:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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