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2026-04-10 - 18:53
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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 highest latencies:
System rackdslot1.osadl.org (updated Fri Apr 10, 2026 12:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
981721250,2sleep10-21swapper/110:15:251
134491710,3ptp4l0-21swapper/012:20:210
134491620,5ptp4l0-21swapper/007:10:220
134491620,17ptp4l0-21swapper/110:25:201
300202610,6sleep10-21swapper/108:40:251
134491590,4ptp4l0-21swapper/107:49:541
134491580,5ptp4l0-21swapper/107:09:451
134491580,3ptp4l0-21swapper/310:05:223
134491580,3ptp4l0-21swapper/111:15:201
134491570,4ptp4l0-21swapper/308:07:143
134491570,4ptp4l0-21swapper/108:19:481
134491570,4ptp4l0-21swapper/012:35:140
134491570,3ptp4l0-21swapper/208:46:152
134491560,3ptp4l0-21swapper/309:39:593
134491560,3ptp4l0-21swapper/111:10:171
134491550,3ptp4l14047-21ls09:15:260
134491550,3ptp4l0-21swapper/011:19:130
134491540,4ptp4l0-21swapper/312:16:113
134491540,4ptp4l0-21swapper/012:02:150
134491540,4ptp4l0-21swapper/012:02:140
134491540,3ptp4l0-21swapper/210:26:232
134491530,4ptp4l0-21swapper/308:19:563
134491530,4ptp4l0-21swapper/207:20:512
134491530,4ptp4l0-21swapper/011:40:280
134491530,4ptp4l0-21swapper/010:25:270
134491530,3ptp4l0-21swapper/112:22:581
134491530,3ptp4l0-21swapper/112:10:181
134491530,3ptp4l0-21swapper/109:30:271
134491530,3ptp4l0-21swapper/007:48:340
134491530,11ptp4l0-21swapper/208:15:122
134491520,4ptp4l0-21swapper/211:31:462
134491520,4ptp4l0-21swapper/209:42:512
134491520,4ptp4l0-21swapper/207:53:582
134491520,4ptp4l0-21swapper/107:17:011
134491520,4ptp4l0-21swapper/008:08:150
134491520,3ptp4l0-21swapper/310:00:323
134491510,4ptp4l0-21swapper/212:10:082
134491510,4ptp4l0-21swapper/211:48:122
134491510,4ptp4l0-21swapper/110:56:081
134491500,4ptp4l0-21swapper/312:26:573
134491500,4ptp4l0-21swapper/210:51:022
134491500,4ptp4l0-21swapper/209:37:452
134491500,4ptp4l0-21swapper/009:26:100
134491500,3ptp4l0-21swapper/207:15:242
134491500,3ptp4l0-21swapper/110:05:141
134491490,4ptp4l0-21swapper/312:35:483
134491490,4ptp4l0-21swapper/309:46:363
134491490,4ptp4l0-21swapper/309:23:273
134491490,4ptp4l0-21swapper/308:58:453
134491490,4ptp4l0-21swapper/211:58:082
134491490,4ptp4l0-21swapper/210:23:562
134491490,4ptp4l0-21swapper/210:17:292
134491490,4ptp4l0-21swapper/209:48:412
134491490,4ptp4l0-21swapper/112:33:161
134491490,4ptp4l0-21swapper/112:18:571
134491490,4ptp4l0-21swapper/011:45:210
134491490,3ptp4l0-21swapper/209:54:192
134491480,5ptp4l0-21swapper/007:09:410
134491480,4ptp4l0-21swapper/309:12:203
134491480,4ptp4l0-21swapper/207:31:262
134491480,4ptp4l0-21swapper/107:13:091
134491480,3ptp4l0-21swapper/210:10:572
134491480,3ptp4l0-21swapper/207:45:422
134491470,6ptp4l0-21swapper/109:37:111
134491470,4ptp4l0-21swapper/208:57:092
134491470,4ptp4l0-21swapper/207:40:432
134491470,4ptp4l0-21swapper/207:40:432
134491470,4ptp4l0-21swapper/110:54:591
134491470,4ptp4l0-21swapper/109:49:101
134491470,4ptp4l0-21swapper/108:50:411
134491470,4ptp4l0-21swapper/108:39:121
134491470,4ptp4l0-21swapper/107:24:591
134491470,4ptp4l0-21swapper/009:57:010
134491470,4ptp4l0-21swapper/009:11:080
134491470,4ptp4l0-21swapper/009:01:000
134491470,4ptp4l0-21swapper/008:53:230
134491470,3ptp4l0-21swapper/111:55:151
1862399463,3cyclictest121rcu_preempt09:00:151
134491460,4ptp4l0-21swapper/109:57:591
134491460,4ptp4l0-21swapper/008:43:010
134491460,4ptp4l0-21swapper/007:55:140
134491460,3ptp4l0-21swapper/308:21:133
134491460,3ptp4l0-21swapper/107:50:011
134691450,11getstats0-21swapper/109:40:191
134491450,5ptp4l0-21swapper/312:20:103
134491450,4ptp4l0-21swapper/312:33:503
134491450,4ptp4l0-21swapper/111:44:021
134491450,4ptp4l0-21swapper/110:45:401
134491450,4ptp4l0-21swapper/110:38:021
134491450,4ptp4l0-21swapper/107:39:021
134491450,3ptp4l0-21swapper/209:32:342
134491450,3ptp4l0-21swapper/207:07:142
134491450,3ptp4l0-21swapper/111:53:351
134491450,3ptp4l0-21swapper/109:50:411
134491450,3ptp4l0-21swapper/108:30:171
134491450,3ptp4l0-21swapper/010:08:050
134491450,2ptp4l0-21swapper/208:12:362
134491450,2ptp4l0-21swapper/108:25:131
134491450,10ptp4l0-21swapper/209:04:552
134691440,11getstats0-21swapper/110:23:031
134491440,5ptp4l30429-21apt-get07:35:123
134491440,5ptp4l23922-21ls11:55:250
134491440,5ptp4l0-21swapper/307:06:493
134491440,4ptp4l25326-21apt-get07:25:032
134491440,4ptp4l0-21swapper/007:23:420
134491440,3ptp4l0-21swapper/308:44:133
134491440,3ptp4l0-21swapper/210:35:202
134491440,3ptp4l0-21swapper/208:09:302
134491440,3ptp4l0-21swapper/107:28:581
134691430,12getstats0-21swapper/110:40:071
134691430,11getstats0-21swapper/112:00:071
134691430,11getstats0-21swapper/112:00:071
134691430,11getstats0-21swapper/111:38:571
134691430,11getstats0-21swapper/108:45:421
134691430,11getstats0-21swapper/107:58:381
134491430,9ptp4l0-21swapper/011:39:540
134491430,5ptp4l11297-21ntp_states09:10:211
134491430,3ptp4l30429-21apt-get07:35:112
134491430,3ptp4l0-21swapper/111:23:531
134491430,3ptp4l0-21swapper/107:41:521
134491430,3ptp4l0-21swapper/107:41:521
134491430,3ptp4l0-21swapper/007:30:170
134491430,10ptp4l0-21swapper/009:20:290
134691420,11getstats0-21swapper/109:21:071
134491420,9ptp4l0-21swapper/008:21:210
134491420,7ptp4l0-21swapper/208:35:252
134491420,6ptp4l0-21swapper/009:40:120
134491420,5ptp4l0-21swapper/310:40:113
134491420,5ptp4l0-21swapper/310:10:103
134491420,5ptp4l0-21swapper/307:50:133
134491420,5ptp4l0-21swapper/212:30:262
134491420,5ptp4l0-21swapper/010:00:270
134491420,4ptp4l8762-21apt-get12:35:122
134491420,4ptp4l18653-21apt-get07:10:122
134491420,4ptp4l1605-21apt-get12:20:112
134491420,4ptp4l11251-21ssh08:00:273
134491420,4ptp4l0-21swapper/309:44:043
134491420,4ptp4l0-21swapper/110:30:241
134491420,3ptp4l4003-21apt-get11:15:112
134491420,2ptp4l0-21swapper/009:37:230
134691410,10getstats0-21swapper/112:07:431
134491410,9ptp4l0-21swapper/007:53:510
134491410,6ptp4l0-21swapper/010:55:240
134491410,5ptp4l0-21swapper/311:15:233
134491410,5ptp4l0-21swapper/307:45:283
134491410,5ptp4l0-21swapper/307:40:113
134491410,5ptp4l0-21swapper/307:40:113
134491410,5ptp4l0-21swapper/307:10:113
134491410,4ptp4l31275-21irqstats07:35:180
134491410,4ptp4l28972-21apt-get11:00:033
134491410,4ptp4l19036-21apt-get08:20:132
134491410,4ptp4l16276-21ntp_states10:30:203
134491410,4ptp4l14798-21apt-get09:20:102
134491410,4ptp4l1069-21apt-get10:00:121
134491410,4ptp4l0-21swapper/009:45:220
134491410,3ptp4l0-21swapper/212:18:022
134491410,3ptp4l0-21swapper/112:29:471
134491400,5ptp4l29246-21date12:10:000
134491400,5ptp4l1648-21apt-get11:10:110
134491400,5ptp4l0-21swapper/311:10:213
134491400,5ptp4l0-21swapper/010:35:160
134491400,5ptp4l0-21swapper/010:24:070
134491400,5ptp4l0-21swapper/007:26:230
134491400,4ptp4l8198-21diskstats09:05:130
134491400,4ptp4l28131-21apt-get07:30:103
134491400,4ptp4l12905-21perl09:15:151
134491400,4ptp4l0-21swapper/309:55:263
134491400,4ptp4l0-21swapper/309:04:213
134491400,4ptp4l0-21swapper/211:25:112
134491400,4ptp4l0-21swapper/210:34:072
134491400,4ptp4l0-21swapper/010:45:280
134491400,4ptp4l0-21swapper/010:30:230
134491400,4ptp4l0-21swapper/008:30:170
134491400,3ptp4l26871-21apt-get10:55:132
134491400,3ptp4l17097-21ls11:40:252
18624993933,4cyclictest33-21ksoftirqd/210:04:042
134491390,5ptp4l0-21swapper/309:30:193
134491390,5ptp4l0-21swapper/308:10:213
134491390,5ptp4l0-21swapper/209:25:142
134491390,5ptp4l0-21swapper/111:25:221
134491390,5ptp4l0-21swapper/007:15:110
134491390,4ptp4l29784-21ntp_states09:50:223
134491390,4ptp4l0-21swapper/311:51:463
134491390,4ptp4l0-21swapper/311:25:153
134491390,4ptp4l0-21swapper/310:20:183
134491390,4ptp4l0-21swapper/309:05:233
134491390,4ptp4l0-21swapper/307:15:143
134491390,4ptp4l0-21swapper/212:25:092
134491390,4ptp4l0-21swapper/211:14:402
134491390,4ptp4l0-21swapper/210:45:472
134491390,4ptp4l0-21swapper/210:09:522
134491390,4ptp4l0-21swapper/209:56:512
134491390,4ptp4l0-21swapper/209:15:402
134491390,4ptp4l0-21swapper/209:12:092
134491390,4ptp4l0-21swapper/207:57:562
134491390,4ptp4l0-21swapper/111:49:371
134491390,4ptp4l0-21swapper/111:06:191
134491390,4ptp4l0-21swapper/111:00:181
134491390,4ptp4l0-21swapper/110:10:441
134491390,4ptp4l0-21swapper/108:58:111
134491390,4ptp4l0-21swapper/108:04:401
134491390,4ptp4l0-21swapper/012:33:000
134491390,4ptp4l0-21swapper/012:26:400
134491390,4ptp4l0-21swapper/012:15:210
134491390,4ptp4l0-21swapper/011:00:060
134491390,4ptp4l0-21swapper/010:40:170
134491390,4ptp4l0-21swapper/009:30:230
134491390,4ptp4l0-21swapper/008:17:200
134491390,4ptp4l0-21swapper/008:10:080
134491390,4ptp4l0-21swapper/007:40:230
134491390,4ptp4l0-21swapper/007:40:230
134491390,3ptp4l7888-21apt-get09:05:102
134491390,3ptp4l6319-21apt-get11:20:100
134491390,3ptp4l29464-21meminfo08:40:192
134491380,5ptp4l0-21swapper/312:00:153
134491380,5ptp4l0-21swapper/312:00:153
134491380,5ptp4l0-21swapper/311:34:173
134491380,5ptp4l0-21swapper/112:36:581
134491380,4ptp4l33-21ksoftirqd/208:25:152
134491380,4ptp4l27218-21needreboot08:35:210
134491380,4ptp4l0-21swapper/312:12:143
134491380,4ptp4l0-21swapper/312:09:173
134491380,4ptp4l0-21swapper/311:59:003
134491380,4ptp4l0-21swapper/311:44:183
134491380,4ptp4l0-21swapper/311:37:203
134491380,4ptp4l0-21swapper/310:28:273
134491380,4ptp4l0-21swapper/310:17:363
134491380,4ptp4l0-21swapper/309:25:243
134491380,4ptp4l0-21swapper/308:47:303
134491380,4ptp4l0-21swapper/308:30:253
134491380,4ptp4l0-21swapper/308:26:293
134491380,4ptp4l0-21swapper/307:55:183
134491380,4ptp4l0-21swapper/307:27:503
134491380,4ptp4l0-21swapper/212:06:382
134491380,4ptp4l0-21swapper/212:00:472
134491380,4ptp4l0-21swapper/212:00:472
134491380,4ptp4l0-21swapper/211:51:332
134491380,4ptp4l0-21swapper/211:39:512
134491380,4ptp4l0-21swapper/211:24:022
134491380,4ptp4l0-21swapper/211:05:572
134491380,4ptp4l0-21swapper/211:01:432
134491380,4ptp4l0-21swapper/210:40:252
134491380,4ptp4l0-21swapper/208:54:092
134491380,4ptp4l0-21swapper/208:30:162
134491380,4ptp4l0-21swapper/208:00:232
134491380,4ptp4l0-21swapper/109:05:171
134491380,4ptp4l0-21swapper/108:10:191
134491380,4ptp4l0-21swapper/108:05:261
134491380,4ptp4l0-21swapper/107:30:481
134491380,4ptp4l0-21swapper/012:10:100
134491380,4ptp4l0-21swapper/011:50:060
134491380,4ptp4l0-21swapper/011:27:040
134491380,4ptp4l0-21swapper/010:50:220
134491380,4ptp4l0-21swapper/010:15:140
134491380,4ptp4l0-21swapper/010:14:120
134491380,4ptp4l0-21swapper/009:50:520
134491380,4ptp4l0-21swapper/008:56:500
134491380,4ptp4l0-21swapper/008:45:150
134491380,4ptp4l0-21swapper/008:27:460
134491380,4ptp4l0-21swapper/008:00:190
134491380,3ptp4l22281-21apt-get10:45:113
134491380,3ptp4l12336-21ls11:30:240
134491380,3ptp4l0-21swapper/111:30:201
134491370,4ptp4l0-21swapper/311:20:133
134491370,4ptp4l0-21swapper/311:05:033
134491370,4ptp4l0-21swapper/310:56:113
134491370,4ptp4l0-21swapper/310:53:103
134491370,4ptp4l0-21swapper/310:35:023
134491370,4ptp4l0-21swapper/308:51:293
134491370,4ptp4l0-21swapper/308:35:173
134491370,4ptp4l0-21swapper/109:29:271
134491370,3ptp4l0-21swapper/309:18:473
134491370,3ptp4l0-21swapper/108:23:231
134491370,3ptp4l0-21swapper/011:05:270
134491360,4ptp4l0-21swapper/311:48:043
134491360,3ptp4l0-21swapper/307:20:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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