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2026-04-23 - 09:49
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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 Thu Apr 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2860721770,4sleep0119099cyclictest23:28:140
372221760,3sleep1119599cyclictest22:30:371
1068911000,3ptp4l401ktimersoftd/320:20:263
122682890,4sleep2120199cyclictest00:51:232
106891710,1ptp4l401ktimersoftd/323:02:063
106891710,1ptp4l401ktimersoftd/322:45:133
106891690,1ptp4l401ktimersoftd/300:30:053
52482670,2sleep30-21swapper/301:17:503
9242664,10sleep00-21swapper/020:20:490
81182570,4sleep18123-21gltestperf23:08:071
106891560,1ptp4l401ktimersoftd/301:06:423
106891550,1ptp4l401ktimersoftd/323:55:043
106891550,1ptp4l401ktimersoftd/300:19:463
92025234,8sleep10-21swapper/120:20:461
1201995144,3cyclictest0-21swapper/220:22:482
45892500,2sleep00-21swapper/001:48:380
106891460,1ptp4l401ktimersoftd/301:43:543
106891450,1ptp4l401ktimersoftd/323:16:003
106891450,1ptp4l401ktimersoftd/322:05:473
106891420,1ptp4l401ktimersoftd/322:23:023
106891410,1ptp4l401ktimersoftd/322:35:503
283372400,1sleep00-21swapper/022:55:180
106891400,1ptp4l401ktimersoftd/300:39:253
106891400,1ptp4l401ktimersoftd/300:24:413
106891400,0ptp4l401ktimersoftd/300:57:043
106891390,1ptp4l401ktimersoftd/322:56:203
106891390,1ptp4l401ktimersoftd/322:48:103
106891390,1ptp4l401ktimersoftd/301:09:243
106891390,1ptp4l401ktimersoftd/300:48:043
106891380,1ptp4l401ktimersoftd/323:35:103
106891380,1ptp4l401ktimersoftd/323:30:243
106891380,1ptp4l401ktimersoftd/323:24:223
106891380,1ptp4l401ktimersoftd/300:01:013
106891380,1ptp4l401ktimersoftd/300:01:013
106891370,1ptp4l401ktimersoftd/323:21:303
106891370,1ptp4l401ktimersoftd/323:07:063
106891370,1ptp4l401ktimersoftd/301:51:303
106891370,1ptp4l401ktimersoftd/301:40:563
106891370,1ptp4l401ktimersoftd/301:40:563
106891370,1ptp4l401ktimersoftd/301:37:473
106891370,1ptp4l401ktimersoftd/301:18:423
106891370,1ptp4l401ktimersoftd/300:35:443
106891370,1ptp4l401ktimersoftd/300:09:593
106891370,1ptp4l401ktimersoftd/300:03:443
106891370,1ptp4l401ktimersoftd/300:03:443
106891370,0ptp4l401ktimersoftd/323:12:043
106891360,1ptp4l401ktimersoftd/323:39:443
106891360,1ptp4l401ktimersoftd/322:42:123
106891360,1ptp4l401ktimersoftd/300:58:353
106891360,0ptp4l401ktimersoftd/322:01:143
152692350,18sleep233-21ksoftirqd/223:14:472
106891350,0ptp4l401ktimersoftd/323:43:073
106891350,0ptp4l401ktimersoftd/322:31:593
106891350,0ptp4l401ktimersoftd/321:30:353
106891350,0ptp4l401ktimersoftd/321:15:263
1201993428,3cyclictest33-21ksoftirqd/223:32:522
106891340,0ptp4l401ktimersoftd/320:40:413
184752330,1sleep30-21swapper/301:30:143
1201993322,9cyclictest33-21ksoftirqd/201:46:142
106891320,1ptp4l401ktimersoftd/320:37:463
106891320,1ptp4l401ktimersoftd/301:24:423
106891320,1ptp4l401ktimersoftd/300:47:253
106891320,1ptp4l401ktimersoftd/300:14:163
61562310,5sleep26162-21sh22:33:072
1201993126,3cyclictest33-21ksoftirqd/201:32:552
106891310,1ptp4l401ktimersoftd/322:15:363
106891310,1ptp4l401ktimersoftd/321:37:223
106891310,1ptp4l401ktimersoftd/321:10:193
106891310,1ptp4l401ktimersoftd/320:51:423
106891310,0ptp4l401ktimersoftd/321:50:483
261492302,3sleep2121rcu_preempt23:26:362
106891300,1ptp4l401ktimersoftd/321:04:203
106891300,0ptp4l401ktimersoftd/321:56:453
106891300,0ptp4l401ktimersoftd/321:39:383
1206992924,3cyclictest41-21ksoftirqd/321:18:083
1201992924,3cyclictest33-21ksoftirqd/223:12:522
1201992922,4cyclictest7734-21sed20:33:052
1201992922,4cyclictest33-21ksoftirqd/221:25:272
1201992916,7cyclictest12951-1kworker/u9:023:48:052
1195992923,3cyclictest25-21ksoftirqd/101:28:201
106891290,1ptp4l401ktimersoftd/323:50:413
106891290,0ptp4l401ktimersoftd/322:08:313
54792280,23sleep25673-21/usr/sbin/munin21:33:182
1206992822,3cyclictest41-21ksoftirqd/321:27:503
1201992822,3cyclictest33-21ksoftirqd/220:47:482
119099283,3cyclictest121rcu_preempt23:41:410
36932270,4sleep1119599cyclictest23:36:461
1206992722,3cyclictest41-21ksoftirqd/322:18:093
1206992722,3cyclictest41-21ksoftirqd/322:18:093
1206992721,3cyclictest41-21ksoftirqd/321:43:083
1201992722,3cyclictest33-21ksoftirqd/201:52:552
1201992722,3cyclictest33-21ksoftirqd/201:08:122
1201992721,3cyclictest33-21ksoftirqd/201:13:152
1201992721,3cyclictest33-21ksoftirqd/200:13:062
308642260,2sleep00-21swapper/001:09:320
152412260,4sleep2311rcuc/200:53:192
144542260,5sleep2120199cyclictest22:42:112
1206992620,3cyclictest41-21ksoftirqd/320:27:523
1206992620,3cyclictest41-21ksoftirqd/320:27:523
1206992620,3cyclictest41-21ksoftirqd/320:23:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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