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2026-06-21 - 09:31
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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 Jun 21, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1472421500,4sleep31586199cyclictest01:45:483
2781321490,3sleep11584999cyclictest01:58:511
2703521470,3sleep31586199cyclictest00:18:483
106891920,3ptp4l401ktimersoftd/320:53:543
106891700,1ptp4l401ktimersoftd/323:07:543
106891660,1ptp4l401ktimersoftd/301:08:373
106891650,2ptp4l401ktimersoftd/321:20:493
106891610,1ptp4l401ktimersoftd/321:25:373
156912604,44sleep00-21swapper/020:55:070
106891600,1ptp4l401ktimersoftd/300:33:473
106891600,1ptp4l401ktimersoftd/300:26:033
106891580,1ptp4l401ktimersoftd/323:12:063
106891570,1ptp4l401ktimersoftd/323:36:273
106891570,1ptp4l401ktimersoftd/300:12:343
265672550,2sleep00-21swapper/023:12:000
106891550,1ptp4l401ktimersoftd/301:02:003
15849995326,4cyclictest25-21ksoftirqd/123:30:291
15849995243,5cyclictest25-21ksoftirqd/122:20:401
156502524,37sleep10-21swapper/120:54:361
322002510,2sleep20-21swapper/200:56:012
15849995123,10cyclictest25-21ksoftirqd/101:55:331
15849995122,5cyclictest25-21ksoftirqd/101:15:461
15849995122,4cyclictest25-21ksoftirqd/102:15:591
15849995121,5cyclictest25-21ksoftirqd/123:15:481
15849995022,7cyclictest25-21ksoftirqd/102:05:531
15849995021,5cyclictest25-21ksoftirqd/122:15:421
15849994921,4cyclictest25-21ksoftirqd/123:05:471
15849994917,7cyclictest25-21ksoftirqd/102:02:071
15849994823,4cyclictest25-21ksoftirqd/100:05:501
15849994821,8cyclictest25-21ksoftirqd/101:10:531
15849994820,5cyclictest25-21ksoftirqd/122:00:271
15849994819,7cyclictest25-21ksoftirqd/100:50:421
15849994734,3cyclictest25-21ksoftirqd/123:10:551
15849994733,4cyclictest25-21ksoftirqd/121:40:431
15849994723,4cyclictest25-21ksoftirqd/123:45:431
15849994723,4cyclictest25-21ksoftirqd/123:20:571
15849994722,9cyclictest25-21ksoftirqd/100:25:311
15849994722,10cyclictest25-21ksoftirqd/100:26:001
15849994720,7cyclictest25-21ksoftirqd/100:45:461
15849994720,5cyclictest25-21ksoftirqd/100:35:431
15849994720,4cyclictest25-21ksoftirqd/121:50:441
15849994720,4cyclictest25-21ksoftirqd/121:50:441
15849994719,5cyclictest25-21ksoftirqd/100:00:301
15849994718,8cyclictest25-21ksoftirqd/123:41:351
15849994716,9cyclictest25-21ksoftirqd/101:20:521
15849994716,9cyclictest25-21ksoftirqd/101:20:521
15858994640,3cyclictest33-21ksoftirqd/201:45:442
1584999466,3cyclictest25-21ksoftirqd/102:20:481
1584999464,7cyclictest25-21ksoftirqd/102:10:521
15849994629,3cyclictest25-21ksoftirqd/101:45:331
1584999462,8cyclictest25-21ksoftirqd/123:40:291
15849994621,4cyclictest25-21ksoftirqd/122:25:381
15849994621,4cyclictest25-21ksoftirqd/100:30:481
15849994620,5cyclictest25-21ksoftirqd/121:15:421
15849994620,10cyclictest25-21ksoftirqd/122:50:481
15849994618,5cyclictest25-21ksoftirqd/122:10:471
15849994618,4cyclictest25-21ksoftirqd/123:50:461
15849994614,4cyclictest25-21ksoftirqd/101:25:581
15849994614,4cyclictest25-21ksoftirqd/101:25:581
106891460,1ptp4l401ktimersoftd/321:35:493
1584999458,3cyclictest25-21ksoftirqd/101:05:491
1584999456,3cyclictest25-21ksoftirqd/101:00:481
1584999454,9cyclictest25-21ksoftirqd/100:00:431
15849994521,4cyclictest25-21ksoftirqd/122:55:451
15849994521,4cyclictest25-21ksoftirqd/122:45:511
15849994521,4cyclictest25-21ksoftirqd/122:00:461
15849994521,4cyclictest25-21ksoftirqd/121:30:521
15849994520,4cyclictest25-21ksoftirqd/123:00:301
15849994520,10cyclictest25-21ksoftirqd/121:15:271
15849994519,8cyclictest25-21ksoftirqd/121:05:431
15849994519,4cyclictest25-21ksoftirqd/100:10:531
15849994519,10cyclictest25-21ksoftirqd/123:35:301
15849994517,5cyclictest25-21ksoftirqd/122:35:491
15849994516,7cyclictest25-21ksoftirqd/101:45:511
15849994514,7cyclictest25-21ksoftirqd/122:35:281
15858994437,4cyclictest33-21ksoftirqd/200:40:442
1584999445,8cyclictest25-21ksoftirqd/100:15:461
15849994420,4cyclictest25-21ksoftirqd/121:20:501
15849994419,4cyclictest25-21ksoftirqd/101:33:381
15858994335,4cyclictest33-21ksoftirqd/221:20:382
15849994319,4cyclictest25-21ksoftirqd/121:00:281
15849994319,4cyclictest25-21ksoftirqd/120:55:431
15849994319,11cyclictest25-21ksoftirqd/121:25:441
15849994318,10cyclictest25-21ksoftirqd/100:55:511
1584999430,9cyclictest25-21ksoftirqd/100:40:481
15858994234,4cyclictest33-21ksoftirqd/201:15:422
1584999425,7cyclictest25-21ksoftirqd/122:10:271
15849994218,8cyclictest25-21ksoftirqd/121:45:411
1584999406,3cyclictest25-21ksoftirqd/101:35:491
15849994017,9cyclictest25-21ksoftirqd/121:35:401
15858993930,4cyclictest33-21ksoftirqd/200:10:412
106891390,1ptp4l401ktimersoftd/323:18:513
106891390,1ptp4l401ktimersoftd/301:17:423
15858993824,11cyclictest33-21ksoftirqd/201:15:312
106891380,1ptp4l401ktimersoftd/323:24:193
106891380,1ptp4l401ktimersoftd/302:15:473
106891380,1ptp4l401ktimersoftd/300:46:233
106891380,1ptp4l401ktimersoftd/300:44:473
106891370,1ptp4l401ktimersoftd/323:59:403
106891370,1ptp4l401ktimersoftd/323:49:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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