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2026-06-14 - 22:06
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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 Sun Jun 14, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
67021770,5sleep055599cyclictest10:57:230
2553721730,4sleep256699cyclictest12:28:472
1141321550,4sleep256699cyclictest12:14:502
1068911050,3ptp4l401ktimersoftd/308:51:043
68092820,2sleep00-21swapper/011:04:220
106891730,1ptp4l401ktimersoftd/314:05:493
106891710,1ptp4l401ktimersoftd/312:12:343
106891670,1ptp4l401ktimersoftd/312:26:053
227722630,1sleep00-21swapper/014:05:370
327602625,46sleep00-21swapper/008:49:570
106891620,1ptp4l401ktimersoftd/311:58:143
53022610,2sleep00-21swapper/013:13:420
215032610,2sleep20-21swapper/210:42:032
201212590,4sleep357099cyclictest10:37:113
129612580,2sleep30-21swapper/312:48:433
106891580,1ptp4l401ktimersoftd/312:32:363
106891570,1ptp4l401ktimersoftd/313:34:543
106891570,1ptp4l401ktimersoftd/312:52:033
143291560,4getstats57099cyclictest11:23:433
106891560,1ptp4l401ktimersoftd/310:59:523
106891550,1ptp4l401ktimersoftd/313:19:323
143291540,3getstats548-21cyclictest10:53:433
56699532,13cyclictest1354-21awk13:42:272
56699524,17cyclictest1974-21/usr/sbin/munin14:17:162
56699505,12cyclictest17487-21ssh12:21:492
56699502,12cyclictest32579-21/usr/sbin/munin10:57:162
105791490,5getstats57099cyclictest09:06:393
56699485,7cyclictest0-21swapper/211:59:432
56699482,13cyclictest21325-21awk12:57:162
56699482,12cyclictest31681-21ssh12:35:532
56699473,17cyclictest1015-21/usr/sbin/munin11:32:062
56699472,12cyclictest24191-21snmp_o5powerctl09:37:162
555994738,4cyclictest9-21ksoftirqd/013:47:090
555994733,7cyclictest9-21ksoftirqd/012:17:050
106891470,2ptp4l3214-21kworker/3:113:57:263
106891470,1ptp4l401ktimersoftd/311:11:403
56699463,18cyclictest25938-21diskmemload11:55:392
106891460,12ptp4l3214-21kworker/3:113:28:463
56699450,12cyclictest25938-21diskmemload12:41:312
326122450,2sleep10-21swapper/112:02:241
106891440,1ptp4l401ktimersoftd/309:16:043
56699420,11cyclictest25938-21diskmemload12:10:022
555994027,7cyclictest9-21ksoftirqd/010:42:050
555993924,7cyclictest9-21ksoftirqd/008:52:010
106891390,1ptp4l401ktimersoftd/313:24:223
106891390,1ptp4l401ktimersoftd/313:24:223
106891390,1ptp4l401ktimersoftd/311:55:283
106891390,1ptp4l401ktimersoftd/311:14:423
106891390,16ptp4l401ktimersoftd/312:38:563
106891380,1ptp4l401ktimersoftd/314:15:373
106891380,1ptp4l401ktimersoftd/313:42:353
106891380,1ptp4l401ktimersoftd/313:41:403
106891380,1ptp4l401ktimersoftd/313:15:093
106891380,1ptp4l401ktimersoftd/312:45:343
106891380,1ptp4l401ktimersoftd/312:26:573
106891380,1ptp4l401ktimersoftd/311:37:523
106891380,1ptp4l401ktimersoftd/311:37:523
106891380,1ptp4l401ktimersoftd/311:31:523
106891370,2ptp4l3214-21kworker/3:113:53:233
106891370,1ptp4l401ktimersoftd/313:49:483
106891370,1ptp4l401ktimersoftd/312:57:593
106891370,1ptp4l401ktimersoftd/312:08:353
106891370,1ptp4l401ktimersoftd/311:49:493
106891370,1ptp4l401ktimersoftd/311:44:413
106891370,1ptp4l401ktimersoftd/311:44:413
106891370,1ptp4l401ktimersoftd/311:32:443
106891370,1ptp4l401ktimersoftd/311:03:273
106891370,0ptp4l401ktimersoftd/314:11:253
106891360,1ptp4l401ktimersoftd/312:05:353
106891360,1ptp4l401ktimersoftd/311:20:463
106891360,10ptp4l401ktimersoftd/310:27:043
106891350,0ptp4l401ktimersoftd/309:01:463
561993422,9cyclictest25-21ksoftirqd/114:02:091
106891340,2ptp4l18628-21kworker/3:209:18:243
56699333,5cyclictest15514-21snmp_o5powerctl10:27:182
555993328,3cyclictest9-21ksoftirqd/009:01:510
555993327,3cyclictest9-21ksoftirqd/013:41:570
106891330,2ptp4l18628-21kworker/3:209:07:093
106891330,1ptp4l401ktimersoftd/314:18:153
106891330,1ptp4l3214-21kworker/3:113:03:203
106891330,10ptp4l401ktimersoftd/310:20:013
555993226,3cyclictest9-21ksoftirqd/012:46:560
555993225,3cyclictest9-21ksoftirqd/012:01:540
555993222,5cyclictest9-21ksoftirqd/011:12:060
555993220,5cyclictest9-21ksoftirqd/013:02:070
3271023212,9sleep20-21swapper/208:49:182
106891320,1ptp4l401ktimersoftd/313:09:533
106891320,1ptp4l401ktimersoftd/312:18:393
106891320,1ptp4l401ktimersoftd/309:48:143
56699314,14cyclictest30777-21ssh12:02:062
56699314,11cyclictest13295-21/usr/sbin/munin09:17:132
555993125,3cyclictest9-21ksoftirqd/012:41:560
555993118,7cyclictest9-21ksoftirqd/011:47:100
555993019,6cyclictest9-21ksoftirqd/011:27:050
106891300,1ptp4l401ktimersoftd/308:52:053
106891300,0ptp4l401ktimersoftd/310:06:443
86752290,2sleep20-21swapper/212:45:092
56699298,18cyclictest29238-21grep09:47:232
56699290,10cyclictest18581-21ssh14:01:492
555992923,3cyclictest9-21ksoftirqd/012:02:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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