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2026-05-03 - 15:51
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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 May 03, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911070,4ptp4l401ktimersoftd/308:24:553
106891740,1ptp4l401ktimersoftd/313:36:493
106891710,1ptp4l401ktimersoftd/311:43:373
193432670,3sleep00-21swapper/013:54:030
169492674,9sleep00-21swapper/008:25:460
106891660,1ptp4l401ktimersoftd/313:40:383
10002650,2sleep10-21swapper/112:29:011
106891640,9ptp4l401ktimersoftd/311:06:203
106891640,9ptp4l401ktimersoftd/311:06:203
106891640,1ptp4l401ktimersoftd/311:24:113
106891620,1ptp4l401ktimersoftd/310:36:213
98342570,1sleep30-21swapper/310:24:093
106891570,1ptp4l401ktimersoftd/313:49:103
106891570,1ptp4l401ktimersoftd/313:08:203
106891560,1ptp4l401ktimersoftd/312:05:563
264962540,2sleep00-21swapper/013:28:500
170902544,38sleep10-21swapper/108:27:371
98412530,2sleep00-21swapper/009:18:380
98412530,2sleep00-21swapper/009:18:380
106891520,2ptp4l18360-21kworker/3:011:46:523
228032500,2sleep30-21swapper/313:58:163
106891470,1ptp4l401ktimersoftd/310:58:103
106891470,1ptp4l401ktimersoftd/310:45:053
106891470,10ptp4l401ktimersoftd/312:00:453
181372460,2sleep00-21swapper/010:34:580
1727899467,6cyclictest9-21ksoftirqd/011:06:210
1727899467,6cyclictest9-21ksoftirqd/011:06:210
106891460,1ptp4l401ktimersoftd/313:33:033
106891450,1ptp4l401ktimersoftd/313:47:213
106891440,8ptp4l401ktimersoftd/312:46:103
1727899426,7cyclictest9-21ksoftirqd/011:35:000
17282994119,14cyclictest31137-21kworker/u8:212:38:531
1727899415,6cyclictest9-21ksoftirqd/011:09:480
1727899414,7cyclictest9-21ksoftirqd/010:31:430
1727899412,7cyclictest9-21ksoftirqd/010:56:590
1727899412,5cyclictest101ktimersoftd/012:42:310
106891410,1ptp4l401ktimersoftd/313:00:523
1727899401,8cyclictest101ktimersoftd/013:09:380
1727899401,6cyclictest9-21ksoftirqd/010:41:390
1727899400,10cyclictest9-21ksoftirqd/012:47:460
1708624015,14sleep233-21ksoftirqd/208:27:342
106891400,1ptp4l401ktimersoftd/313:17:303
106891400,1ptp4l401ktimersoftd/312:34:173
106891400,1ptp4l401ktimersoftd/309:34:123
1727899392,7cyclictest101ktimersoftd/012:23:170
106891390,1ptp4l401ktimersoftd/313:22:313
106891390,1ptp4l401ktimersoftd/310:29:363
1727899383,6cyclictest9-21ksoftirqd/010:50:200
1727899383,5cyclictest9-21ksoftirqd/011:59:000
1727899382,7cyclictest30726-1kworker/u9:211:23:400
1727899382,6cyclictest9-21ksoftirqd/012:50:300
1727899382,6cyclictest9-21ksoftirqd/012:50:300
17278993824,7cyclictest9-21ksoftirqd/011:43:540
1727899380,5cyclictest9-21ksoftirqd/012:29:350
106891380,2ptp4l25986-21kworker/3:009:18:483
106891380,2ptp4l25986-21kworker/3:009:18:483
106891380,1ptp4l401ktimersoftd/312:53:123
106891380,1ptp4l401ktimersoftd/312:53:123
106891380,1ptp4l401ktimersoftd/312:30:493
106891380,1ptp4l401ktimersoftd/311:09:583
1727899376,7cyclictest9-21ksoftirqd/011:17:090
1727899376,6cyclictest9-21ksoftirqd/011:54:070
1727899375,7cyclictest9-21ksoftirqd/013:38:590
1727899373,5cyclictest9-21ksoftirqd/012:25:040
1727899372,6cyclictest9-21ksoftirqd/013:05:500
1727899372,5cyclictest9-21ksoftirqd/013:23:560
1727899371,5cyclictest9-21ksoftirqd/012:59:070
1727899370,5cyclictest9-21ksoftirqd/010:46:280
106891370,1ptp4l401ktimersoftd/313:10:373
106891370,1ptp4l401ktimersoftd/312:55:183
106891370,1ptp4l401ktimersoftd/312:40:453
106891370,1ptp4l401ktimersoftd/312:25:483
106891370,1ptp4l401ktimersoftd/311:50:133
106891370,1ptp4l401ktimersoftd/311:14:123
106891370,1ptp4l401ktimersoftd/311:02:093
106891370,1ptp4l401ktimersoftd/310:50:223
106891370,1ptp4l401ktimersoftd/310:41:473
106891370,0ptp4l401ktimersoftd/311:35:363
106891370,0ptp4l401ktimersoftd/311:19:113
1727899363,5cyclictest9-21ksoftirqd/011:26:140
1727899360,5cyclictest9-21ksoftirqd/013:44:370
1727899360,5cyclictest9-21ksoftirqd/011:41:040
106891360,1ptp4l401ktimersoftd/313:28:023
106891360,1ptp4l401ktimersoftd/312:20:463
106891360,0ptp4l401ktimersoftd/311:54:033
17282993516,12cyclictest47050irq/101-ens3-Tx11:03:511
17282993516,12cyclictest47050irq/101-ens3-Tx11:03:511
1727899356,7cyclictest9-21ksoftirqd/011:03:030
1727899355,5cyclictest9-21ksoftirqd/009:48:560
1727899354,6cyclictest9-21ksoftirqd/013:19:340
1727899352,5cyclictest0-21swapper/011:31:360
1727899351,5cyclictest9-21ksoftirqd/013:35:450
1727899351,5cyclictest9-21ksoftirqd/010:13:570
1727899350,5cyclictest9-21ksoftirqd/009:44:330
1727899344,6cyclictest9-21ksoftirqd/012:12:100
1727899343,3cyclictest0-21swapper/013:53:010
1727899341,7cyclictest9-21ksoftirqd/009:58:550
1727899340,6cyclictest9-21ksoftirqd/008:43:590
1727899340,5cyclictest9-21ksoftirqd/009:18:530
1727899340,5cyclictest9-21ksoftirqd/009:18:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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