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2026-08-11 - 19:40
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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 Aug 11, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911800,5ptp4l401ktimersoftd/309:19:193
1881321500,4sleep31523499cyclictest12:06:523
1493521450,2sleep10-21swapper/111:29:201
152292750,1sleep30-21swapper/312:35:513
109642620,2sleep00-21swapper/013:38:430
56282600,4sleep31523499cyclictest11:54:033
288142600,2sleep20-21swapper/213:23:432
129992600,2sleep00-21swapper/013:07:190
281132520,2sleep20-21swapper/211:43:582
119722520,2sleep20-21swapper/213:05:332
1523499497,23cyclictest3299-1kworker/u9:112:58:193
148062474,30sleep20-21swapper/209:19:442
1500724223,8sleep10-21swapper/109:22:221
106891400,1ptp4l401ktimersoftd/314:23:493
15234993918,18cyclictest7076-21grep13:34:133
106891390,1ptp4l401ktimersoftd/314:28:023
106891390,1ptp4l401ktimersoftd/314:28:023
106891390,1ptp4l401ktimersoftd/313:54:593
106891390,1ptp4l401ktimersoftd/312:28:073
106891390,1ptp4l401ktimersoftd/312:14:173
1523499380,3cyclictest23045-21/usr/sbin/munin10:44:193
106891380,1ptp4l401ktimersoftd/313:19:013
106891380,1ptp4l401ktimersoftd/312:47:523
106891380,1ptp4l401ktimersoftd/312:39:433
106891380,1ptp4l401ktimersoftd/312:39:433
106891380,1ptp4l401ktimersoftd/312:00:363
106891380,1ptp4l401ktimersoftd/311:49:493
106891380,1ptp4l401ktimersoftd/311:26:523
106891380,0ptp4l401ktimersoftd/313:18:053
1523499370,4cyclictest17216-21/usr/sbin/munin10:34:073
106891370,1ptp4l401ktimersoftd/314:46:363
106891370,1ptp4l401ktimersoftd/314:37:373
106891370,1ptp4l401ktimersoftd/314:16:513
106891370,1ptp4l401ktimersoftd/314:12:493
106891370,1ptp4l401ktimersoftd/314:01:223
106891370,1ptp4l401ktimersoftd/313:53:433
106891370,1ptp4l401ktimersoftd/313:26:243
106891370,1ptp4l401ktimersoftd/313:10:033
106891370,1ptp4l401ktimersoftd/313:03:063
106891370,1ptp4l401ktimersoftd/311:45:143
106891370,1ptp4l401ktimersoftd/311:40:513
106891370,1ptp4l401ktimersoftd/309:49:043
106891370,0ptp4l401ktimersoftd/314:05:113
106891370,0ptp4l401ktimersoftd/311:30:573
15234993612,21cyclictest5109-21expr14:39:123
1523499360,4cyclictest930-21cat09:59:103
1523499360,4cyclictest28916-21ptp4l-jitter14:29:203
106891360,1ptp4l401ktimersoftd/314:51:193
106891360,1ptp4l401ktimersoftd/313:05:543
106891360,1ptp4l401ktimersoftd/312:33:293
106891360,1ptp4l401ktimersoftd/312:12:043
106891360,1ptp4l401ktimersoftd/309:33:013
106891360,0ptp4l401ktimersoftd/313:43:143
106891360,0ptp4l401ktimersoftd/312:20:183
292622350,2sleep10-21swapper/114:29:271
178212350,3sleep20-21swapper/213:44:232
106891350,1ptp4l401ktimersoftd/313:45:543
106891350,1ptp4l401ktimersoftd/313:31:413
106891350,1ptp4l401ktimersoftd/310:59:003
106891350,1ptp4l401ktimersoftd/309:39:213
106891350,0ptp4l401ktimersoftd/310:18:013
1523499349,22cyclictest31494-21expr11:04:063
1523499348,22cyclictest28660-21sed10:58:533
15234993411,20cyclictest5276-21cat10:09:073
1523499340,4cyclictest3080-21runrttasks11:10:003
106891340,1ptp4l401ktimersoftd/311:35:483
1523499338,22cyclictest16652-21sendmail10:33:513
15234993310,20cyclictest8143-21diskmemload12:53:053
1523499330,2cyclictest0-21swapper/310:49:113
1523499327,4cyclictest6671-21if_ens311:19:103
1523499319,18cyclictest15873-21fw_packets09:24:063
1523499317,22cyclictest11394-21grep10:19:213
1523499310,4cyclictest20303-21memory10:39:153
1523499308,19cyclictest21402-21basename09:34:073
1523499306,21cyclictest3839-21phc2sys-jitter10:04:133
1523499305,4cyclictest26619-21load09:44:113
1523499300,3cyclictest4900-21processes11:14:163
1523499295,3cyclictest31037-21irqrtprio09:54:073
1523499292,6cyclictest0-21swapper/310:24:103
15222992922,4cyclictest25-21ksoftirqd/114:13:411
1521799292,17cyclictest8143-21diskmemload13:29:080
1522899285,15cyclictest32152-21ssh12:54:072
15228992822,4cyclictest33-21ksoftirqd/210:14:102
15228992822,3cyclictest33-21ksoftirqd/214:28:512
15228992822,3cyclictest33-21ksoftirqd/214:28:512
15228992821,4cyclictest33-21ksoftirqd/214:33:012
15222992821,5cyclictest25-21ksoftirqd/113:09:001
15222992820,6cyclictest25-21ksoftirqd/113:01:501
133352286,10sleep00-21swapper/009:19:060
9132273,3sleep09-21ksoftirqd/009:59:110
202922270,1sleep10-21swapper/114:20:271
1522899273,17cyclictest14569-21ssh13:09:092
15228992720,4cyclictest33-21ksoftirqd/210:40:352
15228992713,7cyclictest321ktimersoftd/211:59:072
15222992720,4cyclictest25-21ksoftirqd/109:59:591
244142260,2sleep10-21swapper/113:51:491
1569122619,3sleep233-21ksoftirqd/212:36:392
15228992620,3cyclictest33-21ksoftirqd/214:48:202
15228992620,3cyclictest33-21ksoftirqd/213:55:542
15228992619,4cyclictest33-21ksoftirqd/213:39:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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