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2026-09-15 - 14:59
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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 Sep 15, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2733221780,3sleep13015599cyclictest00:52:581
207121680,5sleep23016199cyclictest22:58:082
1068911620,6ptp4l391rcuc/321:40:123
1219621610,2sleep03014999cyclictest02:14:470
295252700,5sleep233-21ksoftirqd/200:53:272
30170996215,10cyclictest41-21ksoftirqd/301:13:143
3015599620,31cyclictest23065-21diskmemload00:20:091
30170996132,3cyclictest41-21ksoftirqd/300:43:153
30170996121,4cyclictest41-21ksoftirqd/322:52:553
30161996128,5cyclictest33-21ksoftirqd/200:52:592
3015599600,24cyclictest31119-21date03:08:011
206982600,2sleep30-21swapper/322:28:143
3015599591,24cyclictest22579-21awk00:13:261
30170995834,3cyclictest41-21ksoftirqd/323:48:103
30170995828,4cyclictest41-21ksoftirqd/303:13:013
3015599581,24cyclictest28963-21latency_hist02:33:011
307302570,2sleep20-21swapper/202:01:162
279222574,39sleep00-21swapper/021:38:030
107932570,1sleep30-21swapper/301:41:103
106891570,1ptp4l401ktimersoftd/323:47:273
30170995628,4cyclictest41-21ksoftirqd/301:12:583
3015599560,26cyclictest0-21swapper/102:53:061
234602560,2sleep30-21swapper/302:58:433
30161995527,3cyclictest33-21ksoftirqd/202:58:002
106891550,1ptp4l401ktimersoftd/302:44:263
30170995429,4cyclictest41-21ksoftirqd/300:28:153
30170995426,4cyclictest41-21ksoftirqd/300:33:273
30170995423,8cyclictest41-21ksoftirqd/323:17:553
30170995422,4cyclictest41-21ksoftirqd/302:18:223
30161995426,4cyclictest33-21ksoftirqd/200:07:572
30161995425,4cyclictest33-21ksoftirqd/200:42:582
106891540,1ptp4l401ktimersoftd/300:26:263
47662530,2sleep20-21swapper/202:40:192
30170995328,4cyclictest41-21ksoftirqd/301:27:593
30170995328,4cyclictest41-21ksoftirqd/301:27:593
30170995327,4cyclictest41-21ksoftirqd/302:03:163
30170995327,4cyclictest41-21ksoftirqd/300:22:583
30170995327,3cyclictest41-21ksoftirqd/323:17:563
30170995327,3cyclictest41-21ksoftirqd/303:08:003
30170995326,6cyclictest41-21ksoftirqd/300:03:103
30170995326,4cyclictest41-21ksoftirqd/323:42:563
30170995326,4cyclictest41-21ksoftirqd/302:33:233
30170995323,7cyclictest41-21ksoftirqd/302:38:193
30170995323,4cyclictest41-21ksoftirqd/322:12:543
30161995326,4cyclictest33-21ksoftirqd/203:08:302
30161995325,6cyclictest33-21ksoftirqd/201:33:182
30161995325,6cyclictest33-21ksoftirqd/201:33:182
30161995325,5cyclictest33-21ksoftirqd/202:48:232
30161995325,4cyclictest33-21ksoftirqd/201:08:222
30161995324,5cyclictest33-21ksoftirqd/202:03:232
30161995324,15cyclictest33-21ksoftirqd/201:43:262
30161995321,4cyclictest33-21ksoftirqd/201:28:132
30161995321,4cyclictest33-21ksoftirqd/201:28:132
3016199532,11cyclictest30901-21apt03:08:002
30161995316,9cyclictest33-21ksoftirqd/202:33:142
3015599531,25cyclictest14239-21fschecks_time23:23:111
3015599530,25cyclictest0-21swapper/101:40:161
296262530,3sleep00-21swapper/000:21:530
30170995227,4cyclictest41-21ksoftirqd/300:48:093
30170995226,4cyclictest41-21ksoftirqd/322:42:553
30170995226,4cyclictest41-21ksoftirqd/301:23:153
30170995225,4cyclictest41-21ksoftirqd/301:48:003
30170995224,7cyclictest41-21ksoftirqd/322:58:173
30170995224,7cyclictest41-21ksoftirqd/321:58:053
30170995224,7cyclictest41-21ksoftirqd/321:48:233
30170995224,6cyclictest41-21ksoftirqd/301:42:593
30170995223,7cyclictest41-21ksoftirqd/322:37:553
30170995223,3cyclictest41-21ksoftirqd/300:17:573
3016199524,11cyclictest6763-21apt-get02:43:132
30161995226,4cyclictest33-21ksoftirqd/223:43:312
30170995127,3cyclictest41-21ksoftirqd/302:28:183
30170995126,4cyclictest41-21ksoftirqd/322:23:103
30170995125,4cyclictest41-21ksoftirqd/323:58:163
30170995125,4cyclictest41-21ksoftirqd/302:13:283
30170995125,4cyclictest41-21ksoftirqd/302:08:223
30170995125,4cyclictest41-21ksoftirqd/301:07:583
30170995125,4cyclictest41-21ksoftirqd/301:02:583
30170995124,4cyclictest41-21ksoftirqd/323:12:563
30170995124,4cyclictest41-21ksoftirqd/302:53:203
30170995124,4cyclictest41-21ksoftirqd/301:18:133
30170995124,4cyclictest41-21ksoftirqd/300:08:153
30170995123,4cyclictest41-21ksoftirqd/301:37:593
30170995123,4cyclictest41-21ksoftirqd/301:37:593
30170995121,7cyclictest41-21ksoftirqd/302:48:233
30170995111,8cyclictest41-21ksoftirqd/300:53:093
30161995135,3cyclictest33-21ksoftirqd/201:53:312
30161995125,4cyclictest33-21ksoftirqd/222:07:542
30161995125,4cyclictest33-21ksoftirqd/222:07:542
30161995125,4cyclictest33-21ksoftirqd/201:17:582
30161995124,5cyclictest33-21ksoftirqd/202:18:292
30161995123,6cyclictest33-21ksoftirqd/201:23:212
30161995123,4cyclictest33-21ksoftirqd/203:03:002
30161995123,4cyclictest33-21ksoftirqd/202:28:102
30161995122,4cyclictest33-21ksoftirqd/223:53:152
30161995115,4cyclictest33-21ksoftirqd/223:48:262
30161995114,4cyclictest33-21ksoftirqd/223:37:552
3015599510,22cyclictest11184-21ssh02:47:531
30170995024,4cyclictest41-21ksoftirqd/323:53:213
30170995024,4cyclictest41-21ksoftirqd/323:03:133
30170995024,4cyclictest41-21ksoftirqd/322:57:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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