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2026-09-13 - 05:58
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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 Sep 13, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
458621650,4sleep11175999cyclictest23:37:191
2687421620,3sleep31177099cyclictest00:36:153
837321550,3sleep31177099cyclictest02:28:333
1068911090,4ptp4l401ktimersoftd/321:37:313
106891730,1ptp4l401ktimersoftd/302:04:143
106891700,1ptp4l401ktimersoftd/302:26:293
106891700,1ptp4l401ktimersoftd/300:15:523
106891700,1ptp4l401ktimersoftd/300:03:103
106891680,1ptp4l401ktimersoftd/300:19:313
29922650,2sleep30-21swapper/300:44:023
174062620,2sleep30-21swapper/323:52:313
322732610,2sleep30-21swapper/301:13:333
106891600,1ptp4l401ktimersoftd/323:51:103
113562594,10sleep20-21swapper/221:37:552
197942580,2sleep10-21swapper/101:02:031
184372570,2sleep20-21swapper/202:39:042
106891560,1ptp4l401ktimersoftd/302:45:413
106891550,2ptp4l401ktimersoftd/301:28:093
106891550,2ptp4l401ktimersoftd/301:28:093
106891530,1ptp4l401ktimersoftd/302:21:173
300492510,2sleep10-21swapper/101:45:111
198362500,1sleep00-21swapper/001:34:220
198362500,1sleep00-21swapper/001:34:220
106891490,1ptp4l401ktimersoftd/321:59:503
106891470,1ptp4l401ktimersoftd/300:27:203
116132464,29sleep10-21swapper/121:41:131
106891450,2ptp4l27176-21kworker/3:200:11:083
106891440,1ptp4l401ktimersoftd/323:30:123
106891420,1ptp4l401ktimersoftd/302:08:103
106891400,1ptp4l401ktimersoftd/302:46:563
106891390,1ptp4l401ktimersoftd/323:44:023
106891390,1ptp4l401ktimersoftd/323:44:023
106891390,1ptp4l401ktimersoftd/301:50:213
106891380,1ptp4l401ktimersoftd/323:57:303
106891380,1ptp4l401ktimersoftd/303:05:243
106891380,1ptp4l401ktimersoftd/302:55:423
106891380,1ptp4l401ktimersoftd/302:12:543
106891380,1ptp4l401ktimersoftd/302:01:073
106891380,1ptp4l401ktimersoftd/301:35:403
106891380,1ptp4l401ktimersoftd/301:35:403
106891380,1ptp4l401ktimersoftd/301:08:293
106891380,1ptp4l401ktimersoftd/300:58:083
106891370,1ptp4l401ktimersoftd/322:12:133
106891370,1ptp4l401ktimersoftd/302:37:413
106891370,1ptp4l401ktimersoftd/301:55:483
106891370,1ptp4l401ktimersoftd/301:03:423
106891370,1ptp4l401ktimersoftd/300:51:133
106891370,1ptp4l401ktimersoftd/300:23:593
106891370,0ptp4l401ktimersoftd/322:27:173
106891360,1ptp4l401ktimersoftd/303:08:353
106891360,1ptp4l401ktimersoftd/301:17:303
106891360,1ptp4l401ktimersoftd/300:38:063
106891360,0ptp4l401ktimersoftd/301:23:463
106891350,1ptp4l401ktimersoftd/322:07:093
106891350,1ptp4l401ktimersoftd/301:38:223
106891350,0ptp4l401ktimersoftd/302:58:093
183422340,4sleep09-21ksoftirqd/002:06:500
106891340,1ptp4l401ktimersoftd/302:32:233
11766993326,4cyclictest33-21ksoftirqd/202:42:182
11752993327,3cyclictest9-21ksoftirqd/021:46:470
11766993225,4cyclictest33-21ksoftirqd/202:12:092
106891320,1ptp4l401ktimersoftd/323:39:473
106891320,1ptp4l401ktimersoftd/323:00:443
106891320,1ptp4l401ktimersoftd/322:37:183
106891320,1ptp4l401ktimersoftd/301:44:393
106891320,1ptp4l401ktimersoftd/300:52:453
106891320,10ptp4l401ktimersoftd/323:04:433
247172310,3sleep1241ktimersoftd/102:46:141
1176699315,4cyclictest152232turbostat.cron02:36:542
11766993125,3cyclictest33-21ksoftirqd/223:51:502
11766993125,3cyclictest33-21ksoftirqd/221:51:472
11766993124,4cyclictest33-21ksoftirqd/201:57:112
106891310,1ptp4l401ktimersoftd/323:18:093
106891310,0ptp4l401ktimersoftd/322:24:023
106891310,0ptp4l401ktimersoftd/321:46:123
1176699300,2cyclictest0-21swapper/203:02:122
11752993024,3cyclictest9-21ksoftirqd/022:11:480
11766992923,3cyclictest33-21ksoftirqd/200:52:042
11752992923,3cyclictest9-21ksoftirqd/002:32:090
106891290,1ptp4l401ktimersoftd/322:02:483
102472295,10sleep00-21swapper/021:37:050
1176699289,4cyclictest33-21ksoftirqd/200:17:212
1176699282,3cyclictest121rcu_preempt00:31:262
11766992820,3cyclictest33-21ksoftirqd/200:37:032
11766992819,5cyclictest33-21ksoftirqd/202:26:542
11759992822,3cyclictest25-21ksoftirqd/123:31:491
11752992823,3cyclictest9-21ksoftirqd/023:57:080
11752992823,3cyclictest9-21ksoftirqd/001:16:520
11752992821,4cyclictest9-21ksoftirqd/002:12:060
11752992820,6cyclictest9-21ksoftirqd/002:22:250
106891280,1ptp4l401ktimersoftd/322:56:033
11766992722,3cyclictest33-21ksoftirqd/201:12:122
11766992721,3cyclictest33-21ksoftirqd/223:02:082
11766992721,3cyclictest33-21ksoftirqd/222:42:182
11766992721,3cyclictest33-21ksoftirqd/201:22:142
11766992720,4cyclictest33-21ksoftirqd/221:54:222
11766992720,4cyclictest33-21ksoftirqd/221:54:222
11759992722,3cyclictest25249-21grep01:07:101
11759992722,3cyclictest25-21ksoftirqd/102:06:531
11759992720,4cyclictest25-21ksoftirqd/122:06:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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