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2026-08-05 - 18:43
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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 Wed Aug 05, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1889121570,4sleep22080599cyclictest11:43:512
1068911190,8ptp4l17459-21kworker/3:109:19:493
106891720,1ptp4l401ktimersoftd/312:47:183
215232700,6sleep321526-21phc2sys14:36:003
222712670,4sleep22080599cyclictest14:04:232
106891660,1ptp4l401ktimersoftd/313:49:073
314022630,2sleep00-21swapper/010:40:340
156752630,5sleep12080199cyclictest14:30:521
106891620,2ptp4l401ktimersoftd/313:35:563
20814996020,3cyclictest41-21ksoftirqd/313:10:393
106891590,1ptp4l401ktimersoftd/314:20:103
106891580,1ptp4l401ktimersoftd/313:56:543
106891580,1ptp4l401ktimersoftd/313:08:423
106891560,1ptp4l401ktimersoftd/312:29:453
277102540,2sleep30-21swapper/314:42:183
257982520,2sleep325799-21sh14:07:053
2079599525,25cyclictest15639-21cstates14:30:520
2080199494,13cyclictest26425-21ssh12:30:471
20795994910,29cyclictest3793-21diskmemload11:47:520
2079599490,3cyclictest5771-21ssh12:41:280
60112480,2sleep20-21swapper/213:14:372
20814994841,4cyclictest41-21ksoftirqd/313:50:493
20814994739,4cyclictest41-21ksoftirqd/313:30:503
205612464,29sleep20-21swapper/209:18:462
2079599451,37cyclictest5658-21apt-get14:20:510
106891450,2ptp4l2951-21kworker/3:211:46:233
2080199447,12cyclictest47050irq/101-ens3-Tx13:25:521
2079599443,24cyclictest20495-21cstates14:35:520
2079599442,34cyclictest28364-21apt-get14:10:520
2079599436,22cyclictest0-21swapper/013:23:140
20814994235,4cyclictest41-21ksoftirqd/314:00:493
20814994234,4cyclictest41-21ksoftirqd/312:15:483
2080199425,10cyclictest29650-21ssh12:00:431
2081499418,3cyclictest41-21ksoftirqd/314:20:503
2079599413,23cyclictest8401-21latency_hist13:50:380
2079599411,37cyclictest13582-21unixbench_multi12:16:060
2079599403,31cyclictest6970-21apt-get12:10:480
2079599402,33cyclictest26422-21apt-get12:30:470
2079599402,32cyclictest751-21apt-get14:15:520
2079599402,30cyclictest29644-21apt-get12:00:430
20795994014,23cyclictest3663-21sed12:06:060
2079599401,32cyclictest31305-21apt-get13:40:510
20814993931,4cyclictest41-21ksoftirqd/313:20:483
2079599392,31cyclictest13673-21apt-get13:55:510
2079599392,30cyclictest8594-21apt-get12:45:510
2079599392,30cyclictest25189-21apt-get14:40:510
20795993813,22cyclictest3793-21diskmemload11:25:270
20795993813,22cyclictest3793-21diskmemload11:25:270
106891380,1ptp4l401ktimersoftd/313:02:403
106891380,1ptp4l401ktimersoftd/313:02:403
106891380,1ptp4l401ktimersoftd/312:58:403
106891380,1ptp4l401ktimersoftd/312:13:253
106891380,1ptp4l401ktimersoftd/311:56:363
106891380,1ptp4l401ktimersoftd/311:39:293
2079599373,27cyclictest30291-21apt-get14:45:530
2079599373,27cyclictest30291-21apt-get14:45:530
2079599372,29cyclictest23196-21apt-get13:00:510
2079599372,29cyclictest23196-21apt-get13:00:510
20795993713,21cyclictest3793-21diskmemload12:28:140
20795993713,21cyclictest27525-21seq10:08:020
20795993713,21cyclictest21191-21latency_hist12:25:360
20795993711,22cyclictest15271-21cut14:30:390
2079599370,4cyclictest2831-21sed13:10:560
2079599370,2cyclictest0-21swapper/009:35:180
2079599370,2cyclictest0-21swapper/009:35:180
106891370,1ptp4l401ktimersoftd/314:48:033
106891370,1ptp4l401ktimersoftd/314:48:033
106891370,1ptp4l401ktimersoftd/314:32:463
106891370,1ptp4l401ktimersoftd/314:11:543
106891370,1ptp4l401ktimersoftd/312:52:273
106891370,1ptp4l401ktimersoftd/312:37:013
106891370,1ptp4l401ktimersoftd/312:31:523
106891370,1ptp4l401ktimersoftd/312:06:483
106891370,1ptp4l401ktimersoftd/311:41:173
106891370,1ptp4l401ktimersoftd/311:32:153
106891370,1ptp4l401ktimersoftd/311:06:483
106891370,0ptp4l401ktimersoftd/311:21:273
106891370,0ptp4l401ktimersoftd/311:21:273
2079599362,27cyclictest23391-21apt-get14:05:490
20795993612,21cyclictest22836-21date13:00:370
20795993611,22cyclictest21431-21ls09:25:320
2079599360,4cyclictest9358-21ssh13:17:000
2079599360,3cyclictest27977-21acpi13:05:480
106891360,1ptp4l401ktimersoftd/312:45:233
106891360,1ptp4l401ktimersoftd/312:01:413
106891360,1ptp4l401ktimersoftd/311:50:573
106891360,1ptp4l401ktimersoftd/311:26:353
106891360,1ptp4l401ktimersoftd/310:52:543
106891360,0ptp4l401ktimersoftd/313:27:203
106891360,0ptp4l401ktimersoftd/313:17:313
106891360,0ptp4l401ktimersoftd/309:35:153
106891360,0ptp4l401ktimersoftd/309:35:153
20814993529,3cyclictest41-21ksoftirqd/309:45:323
2079599359,22cyclictest26794-21fschecks_count13:35:550
2079599358,23cyclictest10231-21sh13:51:010
2079599351,30cyclictest3793-21diskmemload13:26:100
20795993512,20cyclictest17377-21sh12:54:410
20795993510,22cyclictest3793-21diskmemload11:32:200
2079599350,4cyclictest21904-21snmp_o5powerctl09:25:350
2079599350,2cyclictest0-21swapper/014:02:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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