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2026-08-09 - 09:42
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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 Aug 09, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
336921780,4sleep2851399cyclictest02:07:352
223221440,3sleep1850399cyclictest23:54:481
1068911000,3ptp4l401ktimersoftd/321:18:423
234752700,2sleep30-21swapper/301:53:463
106891670,1ptp4l401ktimersoftd/323:22:523
147932660,5sleep0101ktimersoftd/023:34:400
106891660,1ptp4l401ktimersoftd/301:23:223
106891650,1ptp4l401ktimersoftd/300:26:093
322802640,2sleep10-21swapper/101:30:361
106891610,1ptp4l401ktimersoftd/323:35:253
106891600,1ptp4l401ktimersoftd/302:07:153
81622594,44sleep00-21swapper/021:19:380
154412590,2sleep30-21swapper/322:42:443
106891590,1ptp4l401ktimersoftd/323:40:543
106891590,1ptp4l401ktimersoftd/322:37:553
106891580,1ptp4l401ktimersoftd/300:30:153
12622570,1sleep20-21swapper/201:32:342
88132560,2sleep20-21swapper/202:12:482
8503995649,4cyclictest25-21ksoftirqd/123:07:421
106891550,1ptp4l401ktimersoftd/300:03:343
8503995447,4cyclictest25-21ksoftirqd/100:42:451
309772540,3sleep233-21ksoftirqd/201:28:242
26112540,2sleep10-21swapper/102:06:411
81012534,36sleep20-21swapper/221:18:512
8513995220,9cyclictest33-21ksoftirqd/223:39:002
8503995144,4cyclictest25-21ksoftirqd/121:57:411
8503995144,4cyclictest25-21ksoftirqd/121:57:411
288952510,2sleep30-21swapper/302:32:493
19922510,2sleep00-21swapper/022:12:500
106891510,1ptp4l401ktimersoftd/301:21:563
106891500,1ptp4l401ktimersoftd/302:17:323
8513994920,8cyclictest33-21ksoftirqd/200:49:282
259672490,2sleep00-21swapper/002:28:480
8503994840,4cyclictest25-21ksoftirqd/123:57:431
106891480,1ptp4l401ktimersoftd/302:38:253
106891470,2ptp4l6478-21kworker/3:100:38:583
106891470,1ptp4l401ktimersoftd/301:06:503
135202460,2sleep30-21swapper/321:27:563
106891460,2ptp4l22814-21kworker/3:000:15:553
106891460,1ptp4l401ktimersoftd/302:09:093
851399459,5cyclictest33-21ksoftirqd/221:46:002
8513994510,5cyclictest33-21ksoftirqd/222:17:032
8503994537,4cyclictest25-21ksoftirqd/121:27:411
8503994537,4cyclictest25-21ksoftirqd/100:32:451
8503994435,5cyclictest25-21ksoftirqd/122:12:441
106891440,2ptp4l18238-21kworker/3:102:28:223
851399438,5cyclictest33-21ksoftirqd/221:52:572
133532430,2sleep10-21swapper/101:43:211
106891430,3ptp4l6478-21kworker/3:101:43:023
851399426,16cyclictest9178-21sh23:28:342
8503994231,5cyclictest25-21ksoftirqd/121:32:391
106891420,1ptp4l401ktimersoftd/300:57:213
851399417,6cyclictest33-21ksoftirqd/200:53:012
8513994119,9cyclictest33-21ksoftirqd/223:07:302
8503994131,6cyclictest25-21ksoftirqd/123:02:421
851399406,5cyclictest33-21ksoftirqd/223:47:522
851399406,5cyclictest33-21ksoftirqd/223:47:522
851399396,5cyclictest33-21ksoftirqd/202:37:522
851399396,5cyclictest33-21ksoftirqd/201:02:392
8513993913,7cyclictest33-21ksoftirqd/201:09:162
8503993929,5cyclictest25-21ksoftirqd/102:32:471
106891390,1ptp4l401ktimersoftd/322:07:433
851399388,5cyclictest33-21ksoftirqd/202:08:232
851399385,5cyclictest33-21ksoftirqd/223:57:592
851399383,6cyclictest33-21ksoftirqd/200:03:452
8513993820,8cyclictest33-21ksoftirqd/201:55:462
8513993815,9cyclictest33-21ksoftirqd/222:57:482
8513993815,7cyclictest33-21ksoftirqd/200:12:542
8503993829,4cyclictest25-21ksoftirqd/102:27:481
8503993827,5cyclictest25-21ksoftirqd/100:02:401
106891380,1ptp4l401ktimersoftd/323:49:013
106891380,1ptp4l401ktimersoftd/323:49:013
106891380,1ptp4l401ktimersoftd/302:26:043
106891380,1ptp4l401ktimersoftd/301:58:013
106891380,1ptp4l401ktimersoftd/301:41:403
106891380,1ptp4l401ktimersoftd/301:41:403
106891380,1ptp4l401ktimersoftd/301:14:553
106891380,1ptp4l401ktimersoftd/300:50:053
106891380,1ptp4l401ktimersoftd/300:45:553
851399374,5cyclictest33-21ksoftirqd/222:29:562
851399373,5cyclictest33-21ksoftirqd/202:32:482
851399373,5cyclictest33-21ksoftirqd/200:57:352
8513993719,8cyclictest33-21ksoftirqd/223:42:592
8513993716,9cyclictest33-21ksoftirqd/201:12:472
8503993731,3cyclictest25-21ksoftirqd/102:52:351
8503993725,5cyclictest25-21ksoftirqd/101:12:451
106891370,1ptp4l401ktimersoftd/323:59:503
106891370,1ptp4l401ktimersoftd/323:29:303
106891370,1ptp4l401ktimersoftd/302:19:103
106891370,1ptp4l401ktimersoftd/301:48:243
106891370,1ptp4l401ktimersoftd/301:01:133
106891370,1ptp4l401ktimersoftd/300:09:053
106891370,0ptp4l401ktimersoftd/323:55:423
106891370,0ptp4l401ktimersoftd/321:40:413
851399363,6cyclictest33-21ksoftirqd/202:30:062
851399363,6cyclictest33-21ksoftirqd/200:39:242
851399363,5cyclictest33-21ksoftirqd/202:20:002
851399363,4cyclictest33-21ksoftirqd/223:26:192
8513993616,9cyclictest33-21ksoftirqd/200:31:352
8513993615,9cyclictest33-21ksoftirqd/201:58:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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