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2026-04-07 - 04:27
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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 Apr 07, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106891950,4ptp4l401ktimersoftd/320:13:503
250722690,2sleep00-21swapper/000:43:580
156362690,2sleep00-21swapper/001:06:260
15162670,2sleep10-21swapper/122:39:281
302972640,2sleep10-21swapper/122:36:391
132372634,9sleep00-21swapper/020:12:380
152462590,2sleep21345099cyclictest23:27:232
106891590,1ptp4l401ktimersoftd/321:04:213
90642580,1sleep10-21swapper/122:14:271
193302570,2sleep10-21swapper/121:29:191
106891570,1ptp4l401ktimersoftd/301:39:113
106891550,1ptp4l401ktimersoftd/300:57:553
14942530,1sleep30-21swapper/322:39:263
106891530,13ptp4l4005-21kworker/3:201:06:043
263182520,2sleep30-21swapper/323:04:363
130572524,37sleep10-21swapper/120:10:171
106891500,0ptp4l401ktimersoftd/323:47:353
106891450,1ptp4l401ktimersoftd/322:00:483
106891450,1ptp4l401ktimersoftd/322:00:483
106891400,1ptp4l401ktimersoftd/320:59:143
106891390,2ptp4l4005-21kworker/3:200:28:403
106891390,1ptp4l401ktimersoftd/322:26:253
106891390,1ptp4l401ktimersoftd/321:33:583
106891390,1ptp4l401ktimersoftd/300:02:493
106682390,1sleep10-21swapper/101:34:211
106891380,1ptp4l401ktimersoftd/323:42:323
106891380,1ptp4l401ktimersoftd/323:36:373
106891380,1ptp4l401ktimersoftd/323:20:293
106891380,1ptp4l401ktimersoftd/323:15:063
106891380,1ptp4l401ktimersoftd/323:10:243
106891380,1ptp4l401ktimersoftd/323:03:023
106891380,1ptp4l401ktimersoftd/301:35:413
106891380,1ptp4l401ktimersoftd/301:31:123
106891380,1ptp4l401ktimersoftd/301:31:123
106891380,1ptp4l401ktimersoftd/301:11:333
106891380,1ptp4l401ktimersoftd/300:19:013
106891380,1ptp4l401ktimersoftd/300:12:353
106891380,1ptp4l401ktimersoftd/300:06:073
106891380,0ptp4l401ktimersoftd/301:27:063
106891370,1ptp4l401ktimersoftd/323:57:223
106891370,1ptp4l401ktimersoftd/322:58:403
106891370,1ptp4l401ktimersoftd/322:48:153
106891370,1ptp4l401ktimersoftd/322:32:043
106891370,1ptp4l401ktimersoftd/322:23:373
106891370,1ptp4l401ktimersoftd/320:58:583
106891370,1ptp4l401ktimersoftd/320:34:243
106891370,1ptp4l401ktimersoftd/300:41:493
106891370,1ptp4l401ktimersoftd/300:38:123
106891370,1ptp4l401ktimersoftd/300:29:073
106891370,0ptp4l401ktimersoftd/322:51:313
106891370,0ptp4l401ktimersoftd/322:15:173
106891360,3ptp4l4005-21kworker/3:201:19:113
106891360,1ptp4l401ktimersoftd/322:05:473
106891360,1ptp4l401ktimersoftd/301:14:513
106891360,1ptp4l401ktimersoftd/300:45:113
106891360,1ptp4l401ktimersoftd/300:19:043
106891360,0ptp4l401ktimersoftd/323:29:443
106891360,0ptp4l401ktimersoftd/301:01:433
301882350,4sleep21345099cyclictest01:21:012
106891350,2ptp4l3110-21kworker/3:220:23:453
106891350,2ptp4l3110-21kworker/3:220:23:453
106891350,1ptp4l401ktimersoftd/322:37:153
106891340,2ptp4l4005-21kworker/3:223:25:573
106891320,1ptp4l401ktimersoftd/323:50:183
106891320,1ptp4l401ktimersoftd/323:50:183
106891320,1ptp4l401ktimersoftd/322:10:353
106891320,1ptp4l401ktimersoftd/320:53:293
106891320,0ptp4l401ktimersoftd/320:43:503
13450993126,3cyclictest33-21ksoftirqd/222:13:592
13450993125,3cyclictest33-21ksoftirqd/201:12:002
106891310,9ptp4l401ktimersoftd/320:17:263
106891310,1ptp4l401ktimersoftd/321:16:373
13450993025,3cyclictest33-21ksoftirqd/222:23:592
13450993025,3cyclictest33-21ksoftirqd/200:34:022
13450993023,5cyclictest33-21ksoftirqd/201:39:082
13450993022,5cyclictest33-21ksoftirqd/220:18:572
106891300,0ptp4l401ktimersoftd/321:42:343
106891300,0ptp4l401ktimersoftd/321:10:333
16072290,5sleep11344599cyclictest23:45:411
120362295,10sleep20-21swapper/220:09:172
13459992823,3cyclictest41-21ksoftirqd/321:23:583
1345099287,13cyclictest16622-21ssh23:29:132
13450992822,3cyclictest33-21ksoftirqd/220:39:102
13450992821,5cyclictest33-21ksoftirqd/222:29:292
13450992820,4cyclictest33-21ksoftirqd/200:09:142
13445992822,3cyclictest24967-21sendmail21:43:581
13459992720,4cyclictest41-21ksoftirqd/321:53:503
13450992722,3cyclictest33-21ksoftirqd/201:34:182
13450992722,3cyclictest33-21ksoftirqd/200:34:252
13450992721,3cyclictest33-21ksoftirqd/223:34:132
13450992721,3cyclictest33-21ksoftirqd/222:54:272
13450992721,3cyclictest33-21ksoftirqd/201:29:032
13450992720,5cyclictest33-21ksoftirqd/223:54:152
13450992720,4cyclictest33-21ksoftirqd/220:28:342
13445992720,4cyclictest25-21ksoftirqd/120:47:071
13440992715,7cyclictest46950irq/100-ens3-Tx23:59:130
106891270,1ptp4l401ktimersoftd/300:49:303
13459992611,3cyclictest230972sed20:29:243
13450992621,3cyclictest33-21ksoftirqd/223:59:172
13450992621,3cyclictest33-21ksoftirqd/220:34:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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