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2025-12-29 - 21:43
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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 Mon Dec 29, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068912150,5ptp4l401ktimersoftd/307:14:453
1910621400,4sleep01889199cyclictest11:54:410
2563421360,5sleep11889899cyclictest11:24:431
2563421360,5sleep11889899cyclictest11:24:431
106891720,1ptp4l401ktimersoftd/311:53:563
44712690,2sleep30-21swapper/311:37:303
106891680,9ptp4l401ktimersoftd/310:57:303
218612670,2sleep10-21swapper/110:05:501
106891670,1ptp4l401ktimersoftd/311:33:313
106891670,1ptp4l401ktimersoftd/311:33:313
106891670,1ptp4l401ktimersoftd/311:11:233
188632650,2sleep10-21swapper/109:25:271
164792654,10sleep20-21swapper/207:14:232
106891620,2ptp4l401ktimersoftd/311:44:213
106891590,1ptp4l401ktimersoftd/307:59:463
106891570,1ptp4l401ktimersoftd/309:44:453
65212560,4sleep0101ktimersoftd/012:16:290
106891560,1ptp4l401ktimersoftd/310:35:053
1889199543,7cyclictest9-21ksoftirqd/012:29:590
106891540,1ptp4l401ktimersoftd/310:05:273
39072530,2sleep10-21swapper/110:23:411
185012524,37sleep00-21swapper/007:15:380
18891995113,4cyclictest9-21ksoftirqd/011:37:460
18891995011,10cyclictest9-21ksoftirqd/008:14:410
186462505,34sleep10-21swapper/107:17:331
18891994919,6cyclictest9-21ksoftirqd/011:08:080
79022480,2sleep30-21swapper/310:27:523
18891994822,9cyclictest9-21ksoftirqd/010:31:200
18891994821,7cyclictest9-21ksoftirqd/012:13:270
18891994820,7cyclictest9-21ksoftirqd/012:42:220
18891994820,5cyclictest9-21ksoftirqd/012:22:440
18891994721,4cyclictest9-21ksoftirqd/009:47:110
18891994720,5cyclictest9-21ksoftirqd/011:19:430
18891994720,5cyclictest9-21ksoftirqd/011:19:430
18891994720,4cyclictest9-21ksoftirqd/009:56:540
18891994719,4cyclictest9-21ksoftirqd/012:34:570
1889199465,7cyclictest9-21ksoftirqd/011:09:490
1889199464,7cyclictest9-21ksoftirqd/011:39:490
18891994637,3cyclictest9-21ksoftirqd/010:05:460
18891994635,3cyclictest9-21ksoftirqd/011:18:170
18891994633,3cyclictest9-21ksoftirqd/009:19:260
18891994620,4cyclictest9-21ksoftirqd/011:50:200
18891994619,4cyclictest9-21ksoftirqd/011:32:040
18891994619,4cyclictest9-21ksoftirqd/011:32:040
18891994619,4cyclictest9-21ksoftirqd/010:40:290
18891994619,4cyclictest9-21ksoftirqd/007:26:590
1889199456,7cyclictest9-21ksoftirqd/009:04:390
1889199455,8cyclictest9-21ksoftirqd/010:09:470
1889199455,6cyclictest9-21ksoftirqd/008:44:240
1889199454,8cyclictest9-21ksoftirqd/009:59:550
18891994536,3cyclictest9-21ksoftirqd/009:24:390
18891994534,3cyclictest9-21ksoftirqd/009:39:460
18891994534,3cyclictest9-21ksoftirqd/009:39:460
18891994532,3cyclictest9-21ksoftirqd/010:55:090
18891994521,4cyclictest9-21ksoftirqd/010:22:210
18891994519,4cyclictest9-21ksoftirqd/011:45:430
18891994519,4cyclictest9-21ksoftirqd/010:17:000
18891994518,6cyclictest9-21ksoftirqd/011:27:250
18891994518,6cyclictest9-21ksoftirqd/011:27:250
18891994518,6cyclictest9-21ksoftirqd/010:54:160
18891994518,4cyclictest9-21ksoftirqd/008:03:160
106891450,0ptp4l401ktimersoftd/311:01:143
1889199445,9cyclictest9-21ksoftirqd/007:54:530
1889199445,7cyclictest9-21ksoftirqd/008:49:430
18891994438,4cyclictest9-21ksoftirqd/007:39:260
18891994436,3cyclictest9-21ksoftirqd/012:29:000
18891994433,3cyclictest9-21ksoftirqd/010:27:010
18891994414,7cyclictest9-21ksoftirqd/012:44:490
1889199435,8cyclictest9-21ksoftirqd/008:44:450
1889199435,5cyclictest9-21ksoftirqd/007:19:440
18891994334,3cyclictest9-21ksoftirqd/008:04:370
18891994331,3cyclictest9-21ksoftirqd/010:45:160
18891994320,4cyclictest9-21ksoftirqd/011:01:550
18891994320,4cyclictest9-21ksoftirqd/010:34:350
18891994318,6cyclictest9-21ksoftirqd/008:55:020
18891994317,4cyclictest9-21ksoftirqd/009:19:150
18891994317,4cyclictest9-21ksoftirqd/009:01:530
106891430,2ptp4l13271-21kworker/3:108:44:123
1889199425,7cyclictest9-21ksoftirqd/007:34:460
18891994229,3cyclictest9-21ksoftirqd/009:30:440
1889199422,7cyclictest9-21ksoftirqd/009:54:250
1889199422,11cyclictest9-21ksoftirqd/008:34:420
1889199421,7cyclictest21375-21awk08:29:410
18891994216,4cyclictest9-21ksoftirqd/012:01:500
106891420,0ptp4l401ktimersoftd/309:55:533
1889199415,7cyclictest9-21ksoftirqd/012:04:560
285242400,1sleep30-21swapper/310:14:403
1889199402,7cyclictest9-21ksoftirqd/007:49:420
1889199402,7cyclictest9-21ksoftirqd/007:49:420
1889199402,10cyclictest9-21ksoftirqd/008:14:240
1889199401,7cyclictest18129-21latency_hist08:24:230
106891400,2ptp4l13271-21kworker/3:108:54:383
106891400,1ptp4l401ktimersoftd/309:54:123
258492390,2sleep30-21swapper/312:01:353
1889199396,7cyclictest9-21ksoftirqd/009:34:410
1889199396,7cyclictest9-21ksoftirqd/009:09:470
1889199395,3cyclictest9-21ksoftirqd/007:44:330
1889199395,3cyclictest9-21ksoftirqd/007:44:330
106891390,1ptp4l401ktimersoftd/312:25:543
1889199381,6cyclictest0-21swapper/007:29:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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