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2026-05-15 - 04:54
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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 Fri May 15, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
899721690,4sleep0658099cyclictest23:50:120
458721670,2sleep00-21swapper/020:30:120
458721670,2sleep00-21swapper/020:30:120
106891990,3ptp4l401ktimersoftd/320:33:353
106891990,3ptp4l401ktimersoftd/320:33:353
143942780,5sleep314400-21gltestperf01:35:223
159132760,1sleep30-21swapper/301:03:503
112222730,5sleep2659199cyclictest23:19:232
106891690,9ptp4l401ktimersoftd/322:58:463
6584996853,7cyclictest25-21ksoftirqd/122:40:151
58212670,4sleep05820-21turbostat.cron21:40:000
269252650,1sleep00-21swapper/023:01:180
106891590,1ptp4l401ktimersoftd/300:58:383
106891590,1ptp4l401ktimersoftd/300:18:423
6584995847,5cyclictest25-21ksoftirqd/123:05:121
6584995846,6cyclictest25-21ksoftirqd/100:20:161
255932580,3sleep10-21swapper/100:40:201
6584995746,6cyclictest25-21ksoftirqd/101:05:161
6584995744,7cyclictest25-21ksoftirqd/121:25:111
6584995744,6cyclictest25-21ksoftirqd/120:40:101
14702570,3sleep21474-21cpuspeed_turbos21:30:152
106891570,1ptp4l401ktimersoftd/301:33:223
106891550,1ptp4l401ktimersoftd/302:05:063
106891550,1ptp4l401ktimersoftd/301:26:133
98132530,2sleep30-21swapper/323:16:593
6584995240,5cyclictest25-21ksoftirqd/122:30:131
6584995238,6cyclictest25-21ksoftirqd/121:00:101
6584994833,8cyclictest25-21ksoftirqd/122:05:121
106891480,1ptp4l401ktimersoftd/323:42:163
6584994737,5cyclictest25-21ksoftirqd/101:55:181
106891430,1ptp4l401ktimersoftd/323:07:323
6584994231,4cyclictest25-21ksoftirqd/121:10:121
6584994133,4cyclictest25-21ksoftirqd/123:00:151
106891410,1ptp4l401ktimersoftd/323:53:043
6584994034,3cyclictest25-21ksoftirqd/123:20:141
106891390,1ptp4l401ktimersoftd/301:20:553
106891390,1ptp4l401ktimersoftd/301:17:103
106891390,1ptp4l401ktimersoftd/300:46:353
106891390,1ptp4l401ktimersoftd/300:33:583
106891390,0ptp4l401ktimersoftd/323:24:473
6584993831,4cyclictest25-21ksoftirqd/101:50:191
6584993831,4cyclictest25-21ksoftirqd/101:50:191
6584993826,5cyclictest25-21ksoftirqd/120:35:101
106891380,2ptp4l29545-21kworker/3:100:23:483
106891380,1ptp4l401ktimersoftd/323:26:173
106891380,1ptp4l401ktimersoftd/322:43:483
6584993720,3cyclictest25-21ksoftirqd/121:55:001
6584993710,4cyclictest25-21ksoftirqd/101:35:051
254462370,1sleep00-21swapper/023:33:380
106891370,1ptp4l401ktimersoftd/323:45:483
106891370,1ptp4l401ktimersoftd/323:35:503
106891370,1ptp4l401ktimersoftd/323:01:503
106891370,1ptp4l401ktimersoftd/322:48:393
106891370,1ptp4l401ktimersoftd/321:45:143
106891370,1ptp4l401ktimersoftd/301:53:243
106891370,1ptp4l401ktimersoftd/301:53:243
106891370,1ptp4l401ktimersoftd/301:07:353
106891370,1ptp4l401ktimersoftd/300:51:573
106891370,1ptp4l401ktimersoftd/300:12:063
106891360,2ptp4l29545-21kworker/3:100:04:293
106891360,2ptp4l29545-21kworker/3:100:04:293
106891360,1ptp4l401ktimersoftd/323:30:493
106891360,1ptp4l401ktimersoftd/322:37:593
106891360,1ptp4l401ktimersoftd/301:10:333
106891360,1ptp4l401ktimersoftd/300:42:143
106891360,0ptp4l401ktimersoftd/300:09:533
106891350,1ptp4l401ktimersoftd/301:42:563
106891350,1ptp4l401ktimersoftd/300:39:213
106891350,0ptp4l401ktimersoftd/323:58:213
71472340,2sleep10-21swapper/100:55:051
658499348,4cyclictest25-21ksoftirqd/123:45:161
658499347,3cyclictest121rcu_preempt21:20:281
658499345,3cyclictest121rcu_preempt01:35:191
6584993427,4cyclictest25-21ksoftirqd/123:10:071
6584993422,9cyclictest25-21ksoftirqd/101:45:221
6584993422,9cyclictest25-21ksoftirqd/100:15:271
106891340,1ptp4l401ktimersoftd/301:58:473
106891340,1ptp4l401ktimersoftd/301:49:413
658499336,3cyclictest25-21ksoftirqd/123:40:211
6584993328,3cyclictest25-21ksoftirqd/121:50:001
6584993327,3cyclictest25-21ksoftirqd/102:00:211
6584993327,3cyclictest25-21ksoftirqd/100:05:191
6584993317,9cyclictest25-21ksoftirqd/123:55:261
106891330,2ptp4l15093-21kworker/3:221:05:383
106891330,11ptp4l401ktimersoftd/300:25:593
6584993227,3cyclictest25-21ksoftirqd/122:05:011
6584993227,3cyclictest25-21ksoftirqd/100:25:241
6584993226,3cyclictest25-21ksoftirqd/100:00:161
6584993226,3cyclictest25-21ksoftirqd/100:00:161
6584993225,4cyclictest25-21ksoftirqd/122:35:141
43522326,12sleep10-21swapper/120:30:101
43522326,12sleep10-21swapper/120:30:101
106891320,1ptp4l401ktimersoftd/323:12:033
106891320,1ptp4l401ktimersoftd/322:51:293
106891320,1ptp4l401ktimersoftd/322:28:253
106891320,1ptp4l401ktimersoftd/320:47:523
106891320,0ptp4l401ktimersoftd/321:11:423
106891320,0ptp4l401ktimersoftd/320:39:413
658499317,4cyclictest25-21ksoftirqd/123:50:291
658499315,4cyclictest25-21ksoftirqd/101:20:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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