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2026-06-03 - 21:20
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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 Wed Jun 03, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
433221570,4sleep01231299cyclictest11:50:520
1068911180,8ptp4l20635-21kworker/3:108:44:193
110782780,2sleep10-21swapper/108:41:051
320562720,2sleep30-21swapper/313:25:583
218482670,2sleep10-21swapper/113:47:281
322582650,3sleep10-21swapper/110:31:161
1232099640,24cyclictest4900-21fschecks_count13:31:071
106891640,1ptp4l401ktimersoftd/313:11:493
106891610,1ptp4l401ktimersoftd/313:25:463
1232099601,32cyclictest29624-21ssh11:10:281
106891580,1ptp4l401ktimersoftd/312:11:193
106891570,1ptp4l401ktimersoftd/314:06:313
31682560,3sleep10-21swapper/113:29:101
106891550,1ptp4l401ktimersoftd/311:57:453
106891550,1ptp4l401ktimersoftd/311:27:053
106891550,1ptp4l401ktimersoftd/311:27:053
106891550,1ptp4l401ktimersoftd/311:18:273
1232099540,23cyclictest6760-21sh11:52:031
1232099540,21cyclictest29367-21rm11:41:511
106891540,1ptp4l401ktimersoftd/313:34:083
106891540,1ptp4l401ktimersoftd/311:12:433
132132530,5sleep233-21ksoftirqd/212:32:012
1232099530,29cyclictest0-21swapper/111:12:561
59812520,2sleep10-21swapper/112:58:341
249502520,3sleep124931-21ssh12:11:091
158842520,2sleep10-21swapper/114:15:511
108262520,2sleep30-21swapper/311:23:253
106872520,2sleep00-21swapper/009:46:140
306312510,2sleep20-21swapper/211:11:032
12326994840,4cyclictest33-21ksoftirqd/212:26:022
118232480,1sleep30-21swapper/313:05:193
106891470,1ptp4l401ktimersoftd/310:43:093
106891470,12ptp4l401ktimersoftd/312:43:063
106891460,1ptp4l401ktimersoftd/313:48:263
106891450,1ptp4l401ktimersoftd/310:48:233
1232099432,24cyclictest0-21swapper/111:01:121
1232699410,3cyclictest121rcu_preempt11:05:522
1232099410,25cyclictest21680-21fschecks_time10:11:041
12326993934,3cyclictest33-21ksoftirqd/210:51:022
12326993933,3cyclictest33-21ksoftirqd/211:25:592
12326993933,3cyclictest33-21ksoftirqd/211:25:592
1232099390,25cyclictest13251-21awk11:26:051
1232099390,25cyclictest13251-21awk11:26:051
106891390,1ptp4l401ktimersoftd/312:03:563
106891390,1ptp4l401ktimersoftd/311:54:133
106891390,1ptp4l401ktimersoftd/311:37:103
106891390,1ptp4l401ktimersoftd/309:41:103
106891390,1ptp4l401ktimersoftd/309:41:103
12326993831,4cyclictest33-21ksoftirqd/213:06:022
1232099380,20cyclictest0-21swapper/110:46:481
106891380,1ptp4l401ktimersoftd/313:16:203
106891380,1ptp4l401ktimersoftd/313:16:203
106891380,1ptp4l401ktimersoftd/313:06:503
106891380,1ptp4l401ktimersoftd/312:49:133
106891380,1ptp4l401ktimersoftd/312:39:163
106891380,1ptp4l401ktimersoftd/310:21:173
12326993730,4cyclictest33-21ksoftirqd/210:01:002
12326993724,10cyclictest33-21ksoftirqd/214:01:152
1232099372,29cyclictest30406-21apt-get12:51:031
1232099372,29cyclictest17487-21apt-get11:31:021
1232099371,29cyclictest32058-21apt-get11:46:021
1232099370,21cyclictest24998-21ssh13:17:291
1232099370,21cyclictest24998-21ssh13:17:291
106891370,1ptp4l401ktimersoftd/313:56:123
106891370,1ptp4l401ktimersoftd/313:55:143
106891370,1ptp4l401ktimersoftd/313:44:043
106891370,1ptp4l401ktimersoftd/313:00:363
106891370,1ptp4l401ktimersoftd/312:31:143
106891370,1ptp4l401ktimersoftd/312:20:533
106891370,1ptp4l401ktimersoftd/312:09:163
106891370,1ptp4l401ktimersoftd/311:50:063
106891370,1ptp4l401ktimersoftd/311:42:553
106891370,1ptp4l401ktimersoftd/311:08:363
106891370,1ptp4l401ktimersoftd/311:03:173
106891370,1ptp4l401ktimersoftd/310:50:523
106891370,10ptp4l401ktimersoftd/311:32:003
106891370,0ptp4l401ktimersoftd/314:11:473
106891370,0ptp4l401ktimersoftd/312:28:363
12326993629,4cyclictest33-21ksoftirqd/213:11:022
12326993629,4cyclictest33-21ksoftirqd/212:41:032
12326993629,4cyclictest33-21ksoftirqd/212:21:012
12326993629,4cyclictest33-21ksoftirqd/211:36:012
12326993629,4cyclictest33-21ksoftirqd/211:01:022
1232099363,26cyclictest2148-21apt-get09:30:591
1232099362,26cyclictest9273-21apt-get09:45:581
1232099362,26cyclictest26102-21apt-get10:21:011
1232099360,19cyclictest0-21swapper/114:09:361
106891360,0ptp4l401ktimersoftd/312:52:393
106891360,0ptp4l401ktimersoftd/310:56:193
106891360,0ptp4l401ktimersoftd/310:26:533
12334993529,4cyclictest41-21ksoftirqd/313:40:523
12326993529,3cyclictest33-21ksoftirqd/214:06:042
1232099352,27cyclictest14248-21apt-get12:01:021
1232099351,27cyclictest27352-21apt-get13:21:041
1232099351,27cyclictest23734-21apt-get10:15:591
1232099350,19cyclictest0-21swapper/109:56:061
12326993427,4cyclictest33-21ksoftirqd/213:31:042
12326993427,4cyclictest33-21ksoftirqd/210:06:002
12326993426,4cyclictest33-21ksoftirqd/210:26:002
1232099343,28cyclictest0-21swapper/109:40:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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