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2026-04-22 - 12:32
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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 Apr 22, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2444621510,3sleep02031999cyclictest21:32:450
3080521330,4sleep12032399cyclictest00:48:471
1068911060,3ptp4l401ktimersoftd/320:19:253
218982670,5sleep22032899cyclictest23:02:322
147682610,1sleep30-21swapper/301:06:353
199612580,1sleep20-21swapper/200:06:042
130142580,3sleep12032399cyclictest00:32:161
106891580,1ptp4l401ktimersoftd/300:15:453
302332560,2sleep00-21swapper/022:37:370
206292470,1sleep20-21swapper/200:38:082
89922460,8sleep2321ktimersoftd/223:22:322
20319994335,3cyclictest9-21ksoftirqd/020:22:140
2033399412,6cyclictest41-21ksoftirqd/301:37:273
20319994132,4cyclictest9-21ksoftirqd/022:22:310
106891410,1ptp4l401ktimersoftd/323:55:023
106891410,1ptp4l401ktimersoftd/301:20:423
66812400,2sleep10-21swapper/123:19:131
2033399407,6cyclictest41-21ksoftirqd/300:00:383
2033399407,5cyclictest41-21ksoftirqd/322:46:543
2033399407,5cyclictest41-21ksoftirqd/300:41:353
106891400,1ptp4l401ktimersoftd/323:23:353
2033399398,5cyclictest41-21ksoftirqd/300:07:233
2033399397,5cyclictest41-21ksoftirqd/323:37:123
2033399397,4cyclictest41-21ksoftirqd/300:23:003
2033399396,8cyclictest17280-21ssh01:42:323
2033399396,8cyclictest17280-21ssh01:42:323
2033399392,18cyclictest16468-21/usr/sbin/munin22:57:453
106891390,1ptp4l401ktimersoftd/322:07:423
106891390,0ptp4l401ktimersoftd/323:46:283
2033399387,4cyclictest41-21ksoftirqd/323:31:083
2032399385,3cyclictest131rcu_sched01:22:181
106891380,1ptp4l401ktimersoftd/323:42:053
106891380,1ptp4l401ktimersoftd/323:08:333
106891380,1ptp4l401ktimersoftd/322:41:363
106891380,1ptp4l401ktimersoftd/301:27:453
106891380,1ptp4l401ktimersoftd/301:11:573
106891380,1ptp4l401ktimersoftd/300:43:313
106891380,1ptp4l401ktimersoftd/300:19:473
106891380,0ptp4l401ktimersoftd/323:03:163
106891380,0ptp4l401ktimersoftd/301:37:103
106891380,0ptp4l401ktimersoftd/301:15:053
106891380,0ptp4l401ktimersoftd/300:33:273
106891370,1ptp4l401ktimersoftd/323:50:053
106891370,1ptp4l401ktimersoftd/323:14:433
106891370,1ptp4l401ktimersoftd/322:54:143
106891370,1ptp4l401ktimersoftd/322:50:093
106891370,1ptp4l401ktimersoftd/322:32:353
106891370,1ptp4l401ktimersoftd/322:24:263
106891370,1ptp4l401ktimersoftd/300:48:563
106891370,0ptp4l401ktimersoftd/300:30:253
2033399364,9cyclictest22697-21munin-node20:27:153
20319993631,3cyclictest9-21ksoftirqd/022:32:220
20319993630,3cyclictest9-21ksoftirqd/001:32:210
2031999360,6cyclictest9-21ksoftirqd/001:22:180
106891360,1ptp4l401ktimersoftd/322:30:433
106891360,1ptp4l401ktimersoftd/321:23:463
106891360,1ptp4l401ktimersoftd/301:23:303
106891360,1ptp4l401ktimersoftd/300:56:583
106891360,1ptp4l401ktimersoftd/300:03:453
106891360,0ptp4l401ktimersoftd/301:51:203
20323993530,3cyclictest25-21ksoftirqd/123:02:191
20319993527,4cyclictest9-21ksoftirqd/000:32:330
106891350,1ptp4l401ktimersoftd/322:12:363
106891350,1ptp4l401ktimersoftd/300:58:273
20323993426,5cyclictest25-21ksoftirqd/101:52:221
20323993420,4cyclictest25-21ksoftirqd/100:07:351
20319993427,4cyclictest9-21ksoftirqd/001:07:320
2032899336,14cyclictest30313-21ssh01:22:342
20319993328,3cyclictest9-21ksoftirqd/023:37:180
20319993327,3cyclictest9-21ksoftirqd/023:52:190
20319993327,3cyclictest9-21ksoftirqd/020:27:150
20328993219,6cyclictest321ktimersoftd/222:17:302
20323993227,3cyclictest25-21ksoftirqd/100:02:241
20323993223,5cyclictest25-21ksoftirqd/100:52:331
20319993227,3cyclictest9-21ksoftirqd/023:17:480
20319993226,3cyclictest9-21ksoftirqd/023:42:190
20319993226,3cyclictest9-21ksoftirqd/022:47:480
20319993226,3cyclictest9-21ksoftirqd/021:57:160
20319993226,3cyclictest9-21ksoftirqd/020:37:150
20319993226,3cyclictest18314-21cron23:32:180
20319993225,4cyclictest1055-21runrttasks22:01:220
20319993219,3cyclictest9-21ksoftirqd/021:27:450
60292310,2sleep00-21swapper/000:23:440
20323993126,3cyclictest25-21ksoftirqd/122:27:181
20323993126,3cyclictest25-21ksoftirqd/122:22:171
20323993126,3cyclictest25-21ksoftirqd/101:17:211
20323993125,3cyclictest25-21ksoftirqd/123:47:391
20323993125,3cyclictest25-21ksoftirqd/123:32:191
20323993125,3cyclictest25-21ksoftirqd/122:32:181
20323993125,3cyclictest25-21ksoftirqd/121:12:161
20319993126,3cyclictest9-21ksoftirqd/001:12:520
20319993126,3cyclictest9-21ksoftirqd/000:17:400
20319993125,3cyclictest9-21ksoftirqd/023:02:190
20319993125,3cyclictest9-21ksoftirqd/022:12:170
20319993125,3cyclictest9-21ksoftirqd/001:37:330
20319993125,3cyclictest9-21ksoftirqd/001:22:380
20319993125,3cyclictest9-21ksoftirqd/000:12:240
2031999312,3cyclictest121rcu_preempt21:12:160
2033399304,7cyclictest0-21swapper/323:17:493
2032899306,7cyclictest121rcu_preempt01:37:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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