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2026-06-01 - 23:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackdslot1.osadl.org (updated Mon Jun 01, 2026 12:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491640,5ptp4l0-21swapper/010:25:040
134491620,26ptp4l41-21ksoftirqd/310:15:023
146932610,7sleep02823099cyclictest09:00:140
134491600,4ptp4l0-21swapper/112:35:131
134491590,4ptp4l0-21swapper/311:57:553
134491590,4ptp4l0-21swapper/207:30:102
134491590,4ptp4l0-21swapper/007:34:510
134491580,4ptp4l0-21swapper/208:30:082
134491580,4ptp4l0-21swapper/207:26:152
134491580,4ptp4l0-21swapper/111:54:541
134491580,4ptp4l0-21swapper/008:17:180
134491580,4ptp4l0-21swapper/007:46:590
134491570,4ptp4l0-21swapper/011:28:100
134491570,4ptp4l0-21swapper/007:38:590
134491570,3ptp4l0-21swapper/208:51:362
134491560,6ptp4l0-21swapper/007:08:520
134491560,3ptp4l0-21swapper/212:10:532
134491560,3ptp4l0-21swapper/011:10:220
134491560,22ptp4l0-21swapper/110:35:191
134491550,4ptp4l0-21swapper/110:30:331
134491550,4ptp4l0-21swapper/008:31:520
134491550,3ptp4l0-21swapper/310:02:243
134491550,3ptp4l0-21swapper/308:31:233
134491540,4ptp4l0-21swapper/011:47:390
134491540,4ptp4l0-21swapper/011:16:040
134491540,4ptp4l0-21swapper/010:13:290
134491540,4ptp4l0-21swapper/009:44:330
134491540,4ptp4l0-21swapper/009:14:160
134491530,4ptp4l0-21swapper/012:32:210
134491530,4ptp4l0-21swapper/010:57:020
134491530,4ptp4l0-21swapper/010:47:200
134491530,3ptp4l0-21swapper/208:28:432
134491530,1ptp4l0-21swapper/210:17:212
134491520,5ptp4l0-21swapper/010:36:460
134491510,4ptp4l0-21swapper/211:08:562
134491510,3ptp4l0-21swapper/307:40:483
134491500,4ptp4l0-21swapper/207:40:132
134491500,4ptp4l0-21swapper/012:17:030
134491500,4ptp4l0-21swapper/008:43:580
134491500,3ptp4l0-21swapper/209:10:362
134491500,3ptp4l0-21swapper/012:27:040
134491500,10ptp4l856-21apt-get12:00:122
134491500,10ptp4l0-21swapper/012:00:170
2823399493,44cyclictest0-21swapper/312:23:503
2823399493,44cyclictest0-21swapper/312:23:503
134491490,4ptp4l0-21swapper/212:37:132
134491490,4ptp4l0-21swapper/207:57:042
134491490,3ptp4l0-21swapper/108:58:441
134491480,4ptp4l0-21swapper/210:40:222
134491480,4ptp4l0-21swapper/209:44:102
134491480,4ptp4l0-21swapper/107:05:161
134491480,3ptp4l2823299cyclictest10:52:142
134491470,12ptp4l0-21swapper/007:25:180
134491470,11ptp4l0-21swapper/111:35:181
28232994639,4cyclictest7997-21irqrtprio07:35:172
134491460,4ptp4l25-21ksoftirqd/107:55:201
134491460,4ptp4l0-21swapper/309:56:323
134491460,4ptp4l0-21swapper/009:46:340
134491460,3ptp4l27318-21ps09:25:252
134491460,3ptp4l0-21swapper/108:14:361
134491460,3ptp4l0-21swapper/011:38:070
134491460,3ptp4l0-21swapper/009:34:030
134491460,11ptp4l0-21swapper/109:00:251
134491460,10ptp4l0-21swapper/007:44:270
134491450,4ptp4l21442-21apt-get09:15:133
134491450,4ptp4l0-21swapper/308:35:443
134491450,3ptp4l0-21swapper/108:29:281
134491450,3ptp4l0-21swapper/010:23:230
134491450,11ptp4l0-21swapper/211:15:122
134491450,10ptp4l0-21swapper/108:35:241
134491440,9ptp4l0-21swapper/011:56:170
134491440,5ptp4l0-21swapper/308:05:233
134491440,5ptp4l0-21swapper/009:25:130
134491440,4ptp4l0-21swapper/311:03:393
134491440,4ptp4l0-21swapper/207:50:582
134491440,4ptp4l0-21swapper/011:42:470
134491440,4ptp4l0-21swapper/010:05:270
134491440,4ptp4l0-21swapper/008:05:220
134491440,3ptp4l0-21swapper/208:41:512
134491430,7ptp4l0-21swapper/010:33:080
134491430,3ptp4l0-21swapper/211:13:442
134491420,8ptp4l0-21swapper/208:00:272
134491420,5ptp4l28982-21diskstats11:50:140
134491420,5ptp4l15802-21irqstats12:30:181
134491420,5ptp4l0-21swapper/312:15:143
134491420,5ptp4l0-21swapper/309:35:153
134491420,5ptp4l0-21swapper/307:35:133
134491420,5ptp4l0-21swapper/307:28:593
134491420,4ptp4l4917-21users12:05:291
134491420,4ptp4l26420-21apt-get10:35:142
134491420,4ptp4l21829-21apt-get10:25:131
134491420,4ptp4l15445-21ntp_states07:50:220
134491420,4ptp4l12667-21apt-get12:25:133
134491420,4ptp4l12667-21apt-get12:25:122
134491420,4ptp4l1215-21df_inode10:50:140
134491420,4ptp4l0-21swapper/112:15:001
134491420,3ptp4l32229-21users07:15:300
134491420,3ptp4l25626-21ls10:30:273
134491420,3ptp4l17630-21memory07:55:200
134491420,3ptp4l0-21swapper/107:44:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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