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2025-07-13 - 12:01
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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 Sun Jul 13, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1518911830,5ptp4l401ktimersoftd/322:01:023
146021710,6sleep02154399cyclictest00:26:150
65702730,3sleep06573-21mailstats23:46:080
21557997062,5cyclictest41-21ksoftirqd/302:46:023
213952654,10sleep20-21swapper/222:05:062
193072634,10sleep00-21swapper/022:00:440
151891580,1ptp4l401ktimersoftd/323:56:063
151891580,1ptp4l401ktimersoftd/323:56:063
151891580,1ptp4l401ktimersoftd/303:22:343
151891580,1ptp4l401ktimersoftd/303:22:343
21557995750,4cyclictest41-21ksoftirqd/300:05:583
21557995649,4cyclictest41-21ksoftirqd/323:20:573
21557995649,4cyclictest41-21ksoftirqd/303:01:063
197362560,2sleep00-21swapper/002:39:000
151891560,1ptp4l401ktimersoftd/300:17:013
65842550,1sleep10-21swapper/100:33:021
21557995549,3cyclictest41-21ksoftirqd/301:56:003
11182550,2sleep30-21swapper/301:41:063
11182550,2sleep30-21swapper/301:41:063
21557995448,3cyclictest41-21ksoftirqd/323:10:583
21557995447,3cyclictest41-21ksoftirqd/322:30:573
21557995346,3cyclictest41-21ksoftirqd/301:51:023
4502510,2sleep00-21swapper/001:03:170
21557995042,4cyclictest41-21ksoftirqd/322:55:583
7162490,1sleep00-21swapper/001:41:030
7162490,1sleep00-21swapper/001:41:030
21557994840,4cyclictest41-21ksoftirqd/322:25:553
21557994539,3cyclictest41-21ksoftirqd/302:31:043
21557994538,3cyclictest41-21ksoftirqd/323:15:583
21557994527,14cyclictest41-21ksoftirqd/302:26:123
21557994419,13cyclictest41-21ksoftirqd/300:35:453
21557994224,4cyclictest41-21ksoftirqd/322:06:133
2112024119,11sleep125-21ksoftirqd/122:01:301
21557994034,3cyclictest41-21ksoftirqd/303:10:533
21557994032,4cyclictest41-21ksoftirqd/300:00:583
21557994031,4cyclictest41-21ksoftirqd/302:01:023
21557993930,4cyclictest41-21ksoftirqd/323:00:573
21557993913,4cyclictest41-21ksoftirqd/301:16:143
151891390,1ptp4l401ktimersoftd/323:42:113
21557993832,3cyclictest41-21ksoftirqd/301:35:463
2155799378,4cyclictest121rcu_preempt00:57:033
21557993725,8cyclictest41-21ksoftirqd/300:11:023
21557993715,7cyclictest41-21ksoftirqd/300:21:063
151891370,1ptp4l401ktimersoftd/322:36:123
151891370,1ptp4l401ktimersoftd/303:16:093
2155799361,3cyclictest121rcu_preempt02:10:303
21552993630,3cyclictest33-21ksoftirqd/202:35:482
2155299361,5cyclictest350-21ssh02:53:542
151891360,1ptp4l401ktimersoftd/303:26:523
151891360,1ptp4l401ktimersoftd/303:26:523
151891360,1ptp4l29742-21kworker/3:201:09:553
151891360,0ptp4l401ktimersoftd/323:37:093
2155799357,8cyclictest41-21ksoftirqd/301:27:313
21557993522,9cyclictest41-21ksoftirqd/323:46:143
21557993510,4cyclictest41-21ksoftirqd/322:41:053
300612343,8sleep1121rcu_preempt02:51:071
222262340,4sleep12154799cyclictest23:11:121
2155799348,8cyclictest41-21ksoftirqd/301:25:293
21557993428,3cyclictest41-21ksoftirqd/323:26:143
21557993428,3cyclictest41-21ksoftirqd/301:36:023
21557993412,7cyclictest41-21ksoftirqd/302:36:223
151891340,2ptp4l2685-21kworker/3:003:05:533
151891340,1ptp4l401ktimersoftd/302:14:473
151891340,1ptp4l401ktimersoftd/301:14:433
151891340,1ptp4l401ktimersoftd/301:05:423
2155799336,4cyclictest41-21ksoftirqd/300:48:293
21557993328,3cyclictest41-21ksoftirqd/300:40:463
21557993327,3cyclictest41-21ksoftirqd/322:50:593
21557993327,3cyclictest41-21ksoftirqd/322:11:043
21557993327,3cyclictest41-21ksoftirqd/303:31:073
21557993326,3cyclictest41-21ksoftirqd/323:31:073
2155799331,12cyclictest41-21ksoftirqd/301:46:203
21557993310,4cyclictest41-21ksoftirqd/323:51:143
21557993310,4cyclictest41-21ksoftirqd/323:51:143
21552993311,3cyclictest24764-21/usr/sbin/munin22:11:152
151891330,1ptp4l401ktimersoftd/302:22:483
2155799327,4cyclictest41-21ksoftirqd/302:56:363
21557993227,3cyclictest41-21ksoftirqd/322:21:123
21557993226,3cyclictest41-21ksoftirqd/322:46:003
21557993226,3cyclictest41-21ksoftirqd/302:16:023
21557993226,3cyclictest41-21ksoftirqd/300:51:183
21557993218,11cyclictest41-21ksoftirqd/302:55:483
75192310,2sleep10-21swapper/103:01:221
264432310,5sleep12154799cyclictest01:32:451
21557993126,3cyclictest41-21ksoftirqd/323:06:163
21557993126,3cyclictest41-21ksoftirqd/300:41:003
21557993125,3cyclictest41-21ksoftirqd/302:41:083
21557993125,3cyclictest41-21ksoftirqd/300:26:063
21552993117,12cyclictest33-21ksoftirqd/222:31:142
21552993025,3cyclictest33-21ksoftirqd/203:10:492
21552993025,3cyclictest30883-1kworker/u9:102:27:542
21557992917,3cyclictest41-21ksoftirqd/322:16:043
21552992923,3cyclictest33-21ksoftirqd/200:25:282
21547992923,3cyclictest25-21ksoftirqd/123:05:431
21547992923,3cyclictest25-21ksoftirqd/103:26:191
21547992923,3cyclictest25-21ksoftirqd/103:26:191
21543992922,4cyclictest9-21ksoftirqd/003:32:040
196932291,23sleep019755-21ssh00:11:020
21552992823,3cyclictest33-21ksoftirqd/200:20:452
21552992822,3cyclictest33-21ksoftirqd/222:40:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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