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2026-08-10 - 09:15
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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 Mon Aug 10, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2495121620,3sleep22657799cyclictest01:07:582
1068911090,4ptp4l401ktimersoftd/321:18:153
106891680,9ptp4l401ktimersoftd/301:30:463
106891640,1ptp4l401ktimersoftd/323:44:113
7842610,2sleep30-21swapper/301:48:263
77992600,4sleep17803-21unixbench_multi00:48:341
26573995537,9cyclictest25-21ksoftirqd/100:08:151
264182554,39sleep00-21swapper/021:22:260
197482550,4sleep119749-21grep02:08:231
21712530,2sleep30-21swapper/323:37:543
106891530,1ptp4l401ktimersoftd/300:13:173
289612510,2sleep00-21swapper/002:50:060
92732500,2sleep00-21swapper/000:50:580
106891500,1ptp4l401ktimersoftd/301:25:563
26588994841,4cyclictest41-21ksoftirqd/301:38:173
26588994841,4cyclictest41-21ksoftirqd/301:38:173
26573994833,8cyclictest25-21ksoftirqd/123:53:171
261662484,31sleep20-21swapper/221:19:092
259282450,4sleep325933-21gltestperf01:08:233
106891440,1ptp4l401ktimersoftd/300:19:093
106891430,1ptp4l401ktimersoftd/302:50:493
106891430,1ptp4l401ktimersoftd/302:19:023
26588994235,4cyclictest41-21ksoftirqd/300:03:163
26588994134,4cyclictest41-21ksoftirqd/321:28:143
106891410,1ptp4l401ktimersoftd/322:32:383
106891400,0ptp4l401ktimersoftd/302:16:463
106891390,1ptp4l401ktimersoftd/322:13:403
106891390,1ptp4l401ktimersoftd/322:13:403
106891390,1ptp4l401ktimersoftd/300:34:093
296742380,19sleep233-21ksoftirqd/202:18:282
26588993830,4cyclictest41-21ksoftirqd/302:43:203
26588993830,4cyclictest41-21ksoftirqd/302:03:203
106891380,1ptp4l401ktimersoftd/323:30:533
106891380,1ptp4l401ktimersoftd/302:41:173
106891380,1ptp4l401ktimersoftd/300:38:363
26588993728,5cyclictest41-21ksoftirqd/301:33:193
106891370,1ptp4l401ktimersoftd/323:52:153
106891370,1ptp4l401ktimersoftd/323:38:503
106891370,1ptp4l401ktimersoftd/323:17:313
106891370,1ptp4l401ktimersoftd/302:24:093
106891370,1ptp4l401ktimersoftd/302:11:223
106891370,1ptp4l401ktimersoftd/301:58:343
106891370,1ptp4l401ktimersoftd/301:53:303
106891370,1ptp4l401ktimersoftd/301:43:113
106891370,1ptp4l401ktimersoftd/301:43:113
106891370,1ptp4l401ktimersoftd/301:04:313
106891370,1ptp4l401ktimersoftd/301:00:353
106891370,1ptp4l401ktimersoftd/300:55:283
106891370,1ptp4l401ktimersoftd/300:52:073
106891370,1ptp4l401ktimersoftd/300:28:503
106891370,1ptp4l401ktimersoftd/300:26:383
106891370,1ptp4l401ktimersoftd/300:08:253
106891370,0ptp4l401ktimersoftd/302:37:233
26573993624,6cyclictest25-21ksoftirqd/123:48:141
106891360,1ptp4l401ktimersoftd/301:23:033
106891360,1ptp4l401ktimersoftd/300:44:063
26588993528,4cyclictest41-21ksoftirqd/323:08:083
106891340,1ptp4l401ktimersoftd/321:43:293
106891340,0ptp4l401ktimersoftd/302:32:133
26588993326,4cyclictest41-21ksoftirqd/321:38:123
26588993325,4cyclictest41-21ksoftirqd/323:23:193
2657399335,18cyclictest11717-21ssh02:33:181
2640923312,10sleep10-21swapper/121:22:191
106891330,1ptp4l401ktimersoftd/322:46:143
106891330,0ptp4l401ktimersoftd/301:14:513
26573993224,5cyclictest25-21ksoftirqd/102:48:081
26573993219,7cyclictest25-21ksoftirqd/102:28:211
106891320,2ptp4l28555-21kworker/3:122:11:563
106891320,1ptp4l401ktimersoftd/322:38:043
26573993125,3cyclictest25-21ksoftirqd/123:33:031
26588993024,3cyclictest41-21ksoftirqd/322:18:303
26588993024,3cyclictest41-21ksoftirqd/322:18:303
26577993025,3cyclictest33-21ksoftirqd/201:23:242
26577993024,3cyclictest33-21ksoftirqd/223:08:042
26577993023,4cyclictest33-21ksoftirqd/221:38:192
2657799301,5cyclictest9876-21rm23:44:182
26573993024,3cyclictest25-21ksoftirqd/122:53:031
26573993024,3cyclictest25-21ksoftirqd/121:43:011
26573993023,4cyclictest25-21ksoftirqd/102:03:211
26588992924,3cyclictest41-21ksoftirqd/321:28:013
26588992923,3cyclictest41-21ksoftirqd/321:48:233
26588992916,10cyclictest41-21ksoftirqd/323:53:223
26573992924,3cyclictest25-21ksoftirqd/123:23:041
26573992924,3cyclictest25-21ksoftirqd/122:28:021
26573992917,6cyclictest25-21ksoftirqd/123:33:161
106891290,1ptp4l401ktimersoftd/322:33:443
26588992823,3cyclictest41-21ksoftirqd/321:33:203
26588992822,3cyclictest41-21ksoftirqd/322:08:013
26588992822,3cyclictest41-21ksoftirqd/321:58:013
26588992816,9cyclictest41-21ksoftirqd/323:03:043
26577992823,3cyclictest33-21ksoftirqd/222:53:032
26577992822,3cyclictest33-21ksoftirqd/200:53:242
26573992823,3cyclictest25-21ksoftirqd/121:28:021
26573992823,3cyclictest25-21ksoftirqd/101:13:051
26573992822,3cyclictest25-21ksoftirqd/101:58:071
26573992822,3cyclictest25-21ksoftirqd/101:33:201
26573992821,4cyclictest25-21ksoftirqd/100:23:231
2656799283,3cyclictest121rcu_preempt01:02:390
36122271,22sleep03884-21irqstats01:18:250
26588992722,3cyclictest41-21ksoftirqd/323:18:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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