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2026-07-21 - 19:10
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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 Tue Jul 21, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911760,4ptp4l401ktimersoftd/309:12:063
3248521660,4sleep12061999cyclictest13:42:461
865621620,5sleep32063599cyclictest09:52:323
234552860,2sleep30-21swapper/312:27:373
194742840,1sleep30-21swapper/314:37:253
227352810,2sleep00-21swapper/011:52:410
106891740,0ptp4l401ktimersoftd/314:33:273
269362670,4sleep32063599cyclictest11:57:373
204162634,10sleep00-21swapper/009:11:020
19642570,2sleep30-21swapper/312:37:483
32782550,4sleep3401ktimersoftd/312:07:173
143291500,5getstats2063599cyclictest09:46:403
106891470,1ptp4l401ktimersoftd/313:48:213
106891470,1ptp4l11898-21kworker/3:112:09:313
106891460,1ptp4l401ktimersoftd/312:52:313
2061299454,6cyclictest9-21ksoftirqd/013:50:130
2061299454,6cyclictest9-21ksoftirqd/011:24:370
2063599441,11cyclictest296852cat11:27:323
2061299446,7cyclictest9-21ksoftirqd/011:57:420
2061299441,9cyclictest9-21ksoftirqd/012:05:530
2061299436,8cyclictest9-21ksoftirqd/011:37:190
2061299436,6cyclictest9-21ksoftirqd/009:57:330
2061299436,6cyclictest0-21swapper/010:27:410
2061299436,6cyclictest0-21swapper/010:27:410
2061299433,7cyclictest9-21ksoftirqd/014:32:520
2061299433,7cyclictest9-21ksoftirqd/013:31:480
2061299433,7cyclictest9-21ksoftirqd/009:47:160
2061299433,6cyclictest9-21ksoftirqd/012:37:400
2061299432,6cyclictest9-21ksoftirqd/012:51:170
20612994317,5cyclictest9-21ksoftirqd/014:22:220
2061299426,8cyclictest9-21ksoftirqd/011:38:300
2061299423,6cyclictest9-21ksoftirqd/013:37:140
2061299423,6cyclictest9-21ksoftirqd/013:02:300
2061299422,6cyclictest9-21ksoftirqd/012:46:000
2061299416,7cyclictest9-21ksoftirqd/011:49:320
2061299415,8cyclictest9-21ksoftirqd/013:23:120
2061299415,7cyclictest9-21ksoftirqd/014:22:440
2061299415,6cyclictest9-21ksoftirqd/014:08:080
2061299415,6cyclictest9-21ksoftirqd/014:08:080
2061299415,6cyclictest0-21swapper/012:22:310
2061299415,6cyclictest0-21swapper/010:32:360
2061299414,6cyclictest9-21ksoftirqd/013:37:300
2061299414,6cyclictest9-21ksoftirqd/012:33:190
2061299414,4cyclictest9-21ksoftirqd/013:07:330
2061299413,6cyclictest9-21ksoftirqd/014:40:420
2061299413,6cyclictest9-21ksoftirqd/013:12:290
2061299411,6cyclictest9-21ksoftirqd/011:12:380
106891410,1ptp4l401ktimersoftd/314:11:033
106891410,1ptp4l401ktimersoftd/314:11:033
2061299406,8cyclictest9-21ksoftirqd/013:43:260
2061299406,8cyclictest9-21ksoftirqd/010:42:310
2061299406,7cyclictest9-21ksoftirqd/013:58:260
2061299406,7cyclictest9-21ksoftirqd/012:27:350
2061299406,7cyclictest9-21ksoftirqd/012:07:530
2061299406,6cyclictest0-21swapper/011:17:450
2061299406,10cyclictest9-21ksoftirqd/013:19:050
2061299405,7cyclictest0-21swapper/012:19:530
2061299403,6cyclictest9-21ksoftirqd/012:55:360
2061299403,6cyclictest9-21ksoftirqd/012:14:360
2061299402,5cyclictest0-21swapper/011:42:560
2061299400,37cyclictest101ktimersoftd/013:56:530
106891400,1ptp4l401ktimersoftd/312:33:143
2061299396,7cyclictest9-21ksoftirqd/011:30:530
2061299395,7cyclictest9-21ksoftirqd/010:37:320
2061299394,6cyclictest9-21ksoftirqd/014:07:160
2061299393,7cyclictest9-21ksoftirqd/014:13:460
2061299393,6cyclictest9-21ksoftirqd/014:28:550
2061299393,6cyclictest9-21ksoftirqd/012:58:080
2061299391,6cyclictest9-21ksoftirqd/010:57:180
106891390,1ptp4l401ktimersoftd/313:46:153
106891390,1ptp4l401ktimersoftd/313:17:463
106891390,1ptp4l401ktimersoftd/312:25:113
106891390,1ptp4l401ktimersoftd/312:20:553
2061299386,8cyclictest9-21ksoftirqd/010:02:310
2061299385,7cyclictest9-21ksoftirqd/009:27:410
2061299384,6cyclictest9-21ksoftirqd/009:52:340
106891380,1ptp4l401ktimersoftd/314:16:153
106891380,1ptp4l401ktimersoftd/313:15:273
106891380,1ptp4l401ktimersoftd/312:48:343
106891380,1ptp4l401ktimersoftd/312:16:153
106891380,1ptp4l401ktimersoftd/311:23:273
106891380,1ptp4l401ktimersoftd/311:18:063
2061299375,7cyclictest9-21ksoftirqd/010:07:380
106891370,1ptp4l401ktimersoftd/314:19:123
106891370,1ptp4l401ktimersoftd/314:04:063
106891370,1ptp4l401ktimersoftd/313:39:533
106891370,1ptp4l401ktimersoftd/313:35:403
106891370,1ptp4l401ktimersoftd/313:31:303
106891370,1ptp4l401ktimersoftd/311:38:083
106891370,1ptp4l401ktimersoftd/311:35:413
106891370,1ptp4l401ktimersoftd/311:12:523
106891370,1ptp4l401ktimersoftd/311:03:033
106891370,0ptp4l401ktimersoftd/314:23:183
106891370,0ptp4l401ktimersoftd/313:54:023
106891370,0ptp4l401ktimersoftd/313:23:563
2061299365,8cyclictest9-21ksoftirqd/009:32:420
2061299364,7cyclictest9-21ksoftirqd/011:02:420
2061299364,7cyclictest9-21ksoftirqd/010:12:320
2061299361,5cyclictest0-21swapper/010:52:470
20612993611,7cyclictest9-21ksoftirqd/009:12:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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