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2026-08-14 - 20:19
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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 Fri Aug 14, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911080,4ptp4l401ktimersoftd/309:25:273
158062830,2sleep32216999cyclictest12:30:523
106891750,1ptp4l401ktimersoftd/314:30:103
218632634,10sleep20-21swapper/209:23:012
106891610,1ptp4l401ktimersoftd/313:18:093
94102590,4sleep29409-21snmp_o5powerctl11:51:002
81152590,2sleep30-21swapper/313:28:493
106891590,1ptp4l401ktimersoftd/311:41:143
22672580,5sleep02215299cyclictest09:50:300
106891580,1ptp4l401ktimersoftd/314:10:063
217392574,41sleep00-21swapper/009:21:220
93972520,2sleep10-21swapper/111:50:591
22158995123,7cyclictest25-21ksoftirqd/110:35:311
22158995023,7cyclictest25-21ksoftirqd/113:55:461
22158995023,7cyclictest25-21ksoftirqd/112:15:531
22158994921,11cyclictest25-21ksoftirqd/114:37:461
22158994920,9cyclictest25-21ksoftirqd/114:17:491
22158994818,10cyclictest25-21ksoftirqd/112:14:541
157732480,2sleep30-21swapper/314:42:123
22158994722,10cyclictest25-21ksoftirqd/112:04:231
22158994722,10cyclictest25-21ksoftirqd/111:58:411
22158994721,10cyclictest25-21ksoftirqd/112:08:241
22158994720,4cyclictest25-21ksoftirqd/112:45:341
22158994720,10cyclictest25-21ksoftirqd/111:43:261
22158994719,11cyclictest25-21ksoftirqd/112:58:001
22158994719,11cyclictest25-21ksoftirqd/111:49:511
22158994717,9cyclictest25-21ksoftirqd/113:27:121
2215899468,7cyclictest25-21ksoftirqd/113:51:031
2215899468,7cyclictest25-21ksoftirqd/113:51:031
22158994621,10cyclictest25-21ksoftirqd/113:30:411
22158994619,10cyclictest25-21ksoftirqd/113:16:391
22158994617,8cyclictest25-21ksoftirqd/111:38:441
106891460,0ptp4l401ktimersoftd/312:38:353
2215899453,7cyclictest25-21ksoftirqd/110:25:311
22158994517,11cyclictest25-21ksoftirqd/114:31:161
2215899447,5cyclictest25-21ksoftirqd/112:21:291
2215899444,7cyclictest25-21ksoftirqd/113:39:191
22158994418,11cyclictest25-21ksoftirqd/112:34:491
106891440,1ptp4l401ktimersoftd/313:25:073
22158994321,9cyclictest25-21ksoftirqd/112:45:511
22158994320,9cyclictest25-21ksoftirqd/111:05:541
22158994319,10cyclictest25-21ksoftirqd/109:45:511
22158994318,9cyclictest25-21ksoftirqd/110:40:511
22158994318,7cyclictest25-21ksoftirqd/114:11:111
22158994316,9cyclictest25-21ksoftirqd/112:27:031
2215899427,8cyclictest25-21ksoftirqd/112:50:571
2215899426,6cyclictest25-21ksoftirqd/110:55:431
2215899424,6cyclictest25-21ksoftirqd/112:35:411
22158994222,10cyclictest25-21ksoftirqd/109:40:301
22158994220,10cyclictest25-21ksoftirqd/113:05:521
22158994216,9cyclictest25-21ksoftirqd/113:02:211
22158994215,8cyclictest25-21ksoftirqd/113:23:081
22158994215,4cyclictest25-21ksoftirqd/114:01:251
22158994215,10cyclictest25-21ksoftirqd/113:44:161
2215899414,6cyclictest25-21ksoftirqd/109:59:171
2215899413,6cyclictest25-21ksoftirqd/114:22:091
2215899413,6cyclictest25-21ksoftirqd/113:13:571
22158994115,10cyclictest25-21ksoftirqd/113:46:351
22158994114,6cyclictest25-21ksoftirqd/114:26:021
2215899403,7cyclictest25-21ksoftirqd/114:09:431
22158994015,10cyclictest25-21ksoftirqd/114:51:261
212712403,23sleep121347-21smartctl09:20:591
106891400,1ptp4l401ktimersoftd/314:39:443
106891400,1ptp4l401ktimersoftd/314:21:493
99982390,2sleep20-21swapper/212:57:042
22162993931,4cyclictest33-21ksoftirqd/212:40:452
2215899394,6cyclictest25-21ksoftirqd/111:29:091
2215899393,5cyclictest0-21swapper/111:30:591
22158993935,2cyclictest231rcuc/109:33:171
2215899391,5cyclictest25-21ksoftirqd/110:17:161
2215899391,5cyclictest25-21ksoftirqd/110:17:161
106891390,2ptp4l7634-21kworker/3:210:25:433
106891390,1ptp4l401ktimersoftd/314:55:193
106891390,1ptp4l401ktimersoftd/313:56:123
106891390,1ptp4l401ktimersoftd/312:04:493
106891390,1ptp4l401ktimersoftd/311:59:153
2215899383,6cyclictest25-21ksoftirqd/114:46:241
22158993821,9cyclictest25-21ksoftirqd/114:44:261
106891380,1ptp4l401ktimersoftd/314:16:053
106891380,1ptp4l401ktimersoftd/314:04:403
106891380,1ptp4l401ktimersoftd/312:59:053
106891380,1ptp4l401ktimersoftd/312:22:163
106891380,1ptp4l401ktimersoftd/312:12:253
106891380,1ptp4l401ktimersoftd/311:49:513
106891380,1ptp4l401ktimersoftd/311:38:363
106891380,1ptp4l401ktimersoftd/310:35:553
106891380,1ptp4l401ktimersoftd/310:11:023
106891380,1ptp4l401ktimersoftd/310:11:023
106891380,0ptp4l401ktimersoftd/311:05:583
22162993731,3cyclictest33-21ksoftirqd/213:35:352
2215899374,6cyclictest25-21ksoftirqd/109:41:021
106891370,1ptp4l401ktimersoftd/314:32:573
106891370,1ptp4l401ktimersoftd/314:12:203
106891370,1ptp4l401ktimersoftd/313:47:313
106891370,1ptp4l401ktimersoftd/313:36:023
106891370,1ptp4l401ktimersoftd/313:12:183
106891370,1ptp4l401ktimersoftd/313:00:553
106891370,1ptp4l401ktimersoftd/312:44:123
106891370,1ptp4l401ktimersoftd/312:26:003
106891370,1ptp4l401ktimersoftd/312:16:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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