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2026-01-11 - 19:01
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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 Sun Jan 11, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491690,5ptp4l0-21swapper/107:05:291
58072670,4sleep25804-21awk11:20:012
307482610,4sleep00-21swapper/011:00:290
134491610,4ptp4l1301-21snmpd07:26:553
134491600,4ptp4l0-21swapper/108:35:221
259772590,5sleep20-21swapper/210:50:272
134491590,3ptp4l0-21swapper/008:23:320
134491580,19ptp4l29691-21iostat11:00:191
134491570,9ptp4l16658-21diskstats07:05:160
134491570,4ptp4l0-21swapper/009:39:550
134491570,4ptp4l0-21swapper/009:39:550
134491570,3ptp4l0-21swapper/210:47:452
134491570,3ptp4l0-21swapper/111:25:211
134491550,4ptp4l0-21swapper/110:11:041
134491550,4ptp4l0-21swapper/010:29:540
134491550,3ptp4l0-21swapper/012:10:020
134491540,4ptp4l0-21swapper/109:22:111
134491540,4ptp4l0-21swapper/107:36:101
134491540,3ptp4l0-21swapper/112:25:161
134491540,3ptp4l0-21swapper/111:42:111
134491520,4ptp4l0-21swapper/312:13:073
134491520,4ptp4l0-21swapper/308:59:403
134491520,4ptp4l0-21swapper/308:15:333
134491520,4ptp4l0-21swapper/108:05:211
134491520,4ptp4l0-21swapper/008:42:040
134491510,5ptp4l0-21swapper/311:06:433
134491510,4ptp4l0-21swapper/311:29:343
134491510,4ptp4l0-21swapper/307:16:323
134491510,12ptp4l0-21swapper/112:10:181
134491500,4ptp4l0-21swapper/312:38:383
134491500,4ptp4l0-21swapper/311:59:333
134491500,4ptp4l0-21swapper/311:54:213
134491500,4ptp4l0-21swapper/311:48:543
134491500,4ptp4l0-21swapper/311:01:393
134491500,4ptp4l0-21swapper/310:56:303
134491500,4ptp4l0-21swapper/309:11:573
134491500,4ptp4l0-21swapper/308:48:213
134491500,4ptp4l0-21swapper/308:48:213
134491500,4ptp4l0-21swapper/307:11:363
134491500,4ptp4l0-21swapper/211:39:072
134491500,4ptp4l0-21swapper/109:35:001
134491500,4ptp4l0-21swapper/107:57:421
134491500,4ptp4l0-21swapper/107:47:301
134491500,4ptp4l0-21swapper/010:33:470
134491500,3ptp4l0-21swapper/211:52:552
134491490,5ptp4l33-21ksoftirqd/212:27:522
134491490,4ptp4l0-21swapper/312:21:143
134491490,4ptp4l0-21swapper/312:02:133
134491490,4ptp4l0-21swapper/310:17:203
134491490,4ptp4l0-21swapper/307:23:073
134491490,4ptp4l0-21swapper/108:23:151
134491490,4ptp4l0-21swapper/107:21:511
134491490,4ptp4l0-21swapper/008:18:130
134491490,3ptp4l10313-21fschecks_time08:00:160
134491490,3ptp4l0-21swapper/010:46:160
134491480,4ptp4l0-21swapper/109:28:391
134491480,4ptp4l0-21swapper/010:13:350
134491480,3ptp4l0-21swapper/107:10:211
134491480,3ptp4l0-21swapper/011:39:500
134491480,10ptp4l0-21swapper/008:55:140
18839994712,33cyclictest17722-21kworker/2:008:55:282
134491470,4ptp4l0-21swapper/310:32:283
134491470,4ptp4l0-21swapper/009:53:320
134491470,4ptp4l0-21swapper/009:04:300
134491470,4ptp4l0-21swapper/007:18:000
134491470,3ptp4l0-21swapper/312:30:033
134491470,3ptp4l0-21swapper/011:17:080
134491470,3ptp4l0-21swapper/011:14:270
18838994615,29cyclictest12201-21kworker/1:210:32:591
134491460,4ptp4l0-21swapper/310:25:143
134491460,4ptp4l0-21swapper/211:49:332
134491460,4ptp4l0-21swapper/111:15:461
134491460,4ptp4l0-21swapper/010:52:400
134491460,4ptp4l0-21swapper/009:57:180
134491460,3ptp4l396-21ls11:05:281
134491460,3ptp4l10157-21apt-get09:10:130
134491460,11ptp4l0-21swapper/210:00:382
18839994512,31cyclictest8398-21kworker/2:110:30:282
134491450,3ptp4l0-21swapper/310:07:193
134491450,3ptp4l0-21swapper/112:09:031
134491450,2ptp4l0-21swapper/109:08:131
134491450,10ptp4l0-21swapper/307:49:313
134491440,9ptp4l0-21swapper/308:07:013
134491440,9ptp4l0-21swapper/210:21:072
134491440,5ptp4l0-21swapper/310:00:103
134491440,4ptp4l9579-21ls10:15:282
134491440,4ptp4l0-21swapper/212:11:482
134491440,4ptp4l0-21swapper/211:40:242
134491440,4ptp4l0-21swapper/011:28:190
134491440,10ptp4l0-21swapper/308:54:053
46198430,3rtkit-daemon0-21swapper/311:34:453
134491430,9ptp4l0-21swapper/211:23:352
134491430,9ptp4l0-21swapper/210:28:482
134491430,9ptp4l0-21swapper/207:44:592
134491430,9ptp4l0-21swapper/207:44:592
134491430,4ptp4l1987-21apt-get12:25:143
134491430,4ptp4l0-21swapper/212:01:212
134491430,4ptp4l0-21swapper/211:25:132
134491430,4ptp4l0-21swapper/007:12:500
134491430,3ptp4l0-21swapper/111:23:051
134491430,3ptp4l0-21swapper/109:39:571
134491430,3ptp4l0-21swapper/109:39:571
134491430,2ptp4l0-21swapper/012:37:500
134491430,10ptp4l0-21swapper/208:08:062
134491420,9ptp4l0-21swapper/310:36:363
134491420,9ptp4l0-21swapper/310:36:363
134491420,9ptp4l0-21swapper/207:38:502
134491420,8ptp4l0-21swapper/311:35:103
134491420,4ptp4l30007-21ntp_states09:50:231
134491420,4ptp4l27235-21uniq12:05:160
134491420,4ptp4l26802-21apt-get10:55:121
134491420,4ptp4l21717-21hddtemp_smartct07:15:201
134491420,4ptp4l1883999cyclictest10:40:202
134491420,4ptp4l17846-21diskstats11:45:131
134491420,3ptp4l26585-21apt-get09:45:130
134491410,7ptp4l0-21swapper/207:15:242
134491410,7ptp4l0-21swapper/012:25:140
134491410,6ptp4l11835-21timerandwakeup10:20:260
134491410,5ptp4l0-21swapper/208:00:222
134491410,5ptp4l0-21swapper/111:10:271
134491410,5ptp4l0-21swapper/011:40:210
134491410,4ptp4l8502-21hddtemp_smartct10:15:170
134491410,4ptp4l6960-21meminfo11:20:190
134491410,4ptp4l4042-21iostat_ios10:05:171
134491410,4ptp4l28976-21diskstats08:40:153
134491410,4ptp4l24611-21iostat08:30:191
134491410,4ptp4l21748-21apt-get08:25:142
134491410,4ptp4l15214-21hddtemp_smartct09:20:170
134491410,4ptp4l14751-21apt-get08:10:111
134491410,4ptp4l14751-21apt-get08:10:111
134491410,4ptp4l11871-21ps11:30:230
134491410,4ptp4l0-21swapper/309:50:093
134491410,4ptp4l0-21swapper/112:17:231
134491410,3ptp4l30972-21apt-get08:45:130
134491410,3ptp4l30972-21apt-get08:45:120
134491410,3ptp4l23278-21awk10:45:233
134491410,3ptp4l0-21swapper/107:40:441
134491410,3ptp4l0-21swapper/107:40:441
18840994034,3cyclictest41-21ksoftirqd/309:50:003
18837994034,3cyclictest9-21ksoftirqd/012:20:000
134491400,5ptp4l0-21swapper/207:45:232
134491400,5ptp4l0-21swapper/112:30:161
134491400,5ptp4l0-21swapper/112:00:151
134491400,5ptp4l0-21swapper/111:30:241
134491400,5ptp4l0-21swapper/110:40:161
134491400,5ptp4l0-21swapper/108:15:201
134491400,5ptp4l0-21swapper/012:03:070
134491400,4ptp4l9196-21ntp_states10:15:241
134491400,4ptp4l25166-21ntp_states08:30:230
134491400,4ptp4l20418-21ps10:40:183
134491400,4ptp4l0-21swapper/312:05:173
134491400,4ptp4l0-21swapper/311:40:543
134491400,4ptp4l0-21swapper/309:27:073
134491400,4ptp4l0-21swapper/308:36:053
134491400,4ptp4l0-21swapper/308:25:223
134491400,4ptp4l0-21swapper/307:55:553
134491400,4ptp4l0-21swapper/211:56:392
134491400,4ptp4l0-21swapper/209:53:302
134491400,4ptp4l0-21swapper/209:34:102
134491400,4ptp4l0-21swapper/209:24:342
134491400,4ptp4l0-21swapper/109:15:241
134491400,4ptp4l0-21swapper/108:53:171
134491400,4ptp4l0-21swapper/108:25:201
134491400,4ptp4l0-21swapper/107:54:361
134491400,4ptp4l0-21swapper/009:40:110
134491400,4ptp4l0-21swapper/009:40:110
134491400,4ptp4l0-21swapper/009:30:180
134491400,4ptp4l0-21swapper/009:25:270
134491400,3ptp4l8428-21iostat_ios09:05:192
134491400,3ptp4l3230-21hddtemp_smartct07:45:160
134491400,3ptp4l28668-21apt-get08:40:112
134491400,3ptp4l27606-21ls09:45:222
134491400,3ptp4l26349-21apt-get08:35:122
134491400,3ptp4l25289-21users07:20:270
134491400,3ptp4l1923-21strings08:50:222
134491400,3ptp4l15059-21diskstats08:10:143
134491400,3ptp4l15059-21diskstats08:10:143
134491400,3ptp4l1382-21meminfo07:40:203
134491400,3ptp4l1382-21meminfo07:40:203
134491400,3ptp4l11279-21ntp_states09:10:231
134491400,3ptp4l11241-21irqstats10:20:183
18840993935,2cyclictest41-21ksoftirqd/308:25:003
134491390,5ptp4l0-21swapper/212:35:202
134491390,5ptp4l0-21swapper/212:30:152
134491390,5ptp4l0-21swapper/211:30:192
134491390,5ptp4l0-21swapper/111:55:151
134491390,5ptp4l0-21swapper/007:55:130
134491390,4ptp4l26996-21cstates10:55:120
134491390,4ptp4l0-21swapper/311:20:153
134491390,4ptp4l0-21swapper/311:12:393
134491390,4ptp4l0-21swapper/310:51:083
134491390,4ptp4l0-21swapper/309:59:533
134491390,4ptp4l0-21swapper/309:42:303
134491390,4ptp4l0-21swapper/309:42:303
134491390,4ptp4l0-21swapper/309:37:213
134491390,4ptp4l0-21swapper/309:37:213
134491390,4ptp4l0-21swapper/309:30:513
134491390,4ptp4l0-21swapper/309:20:503
134491390,4ptp4l0-21swapper/309:16:303
134491390,4ptp4l0-21swapper/309:05:173
134491390,4ptp4l0-21swapper/307:51:443
134491390,4ptp4l0-21swapper/307:35:143
134491390,4ptp4l0-21swapper/307:33:243
134491390,4ptp4l0-21swapper/212:17:022
134491390,4ptp4l0-21swapper/212:05:262
134491390,4ptp4l0-21swapper/211:11:292
134491390,4ptp4l0-21swapper/210:55:442
134491390,4ptp4l0-21swapper/210:12:462
134491390,4ptp4l0-21swapper/209:42:242
134491390,4ptp4l0-21swapper/209:42:242
134491390,4ptp4l0-21swapper/208:45:242
134491390,4ptp4l0-21swapper/208:45:242
134491390,4ptp4l0-21swapper/208:30:282
134491390,4ptp4l0-21swapper/207:13:192
134491390,4ptp4l0-21swapper/111:36:221
134491390,4ptp4l0-21swapper/110:35:451
134491390,4ptp4l0-21swapper/110:35:451
134491390,4ptp4l0-21swapper/110:25:151
134491390,4ptp4l0-21swapper/109:49:421
134491390,4ptp4l0-21swapper/109:40:181
134491390,4ptp4l0-21swapper/109:40:181
134491390,4ptp4l0-21swapper/108:00:231
134491390,4ptp4l0-21swapper/107:26:101
134491390,4ptp4l0-21swapper/012:20:140
134491390,4ptp4l0-21swapper/011:05:450
134491390,4ptp4l0-21swapper/010:40:260
134491390,4ptp4l0-21swapper/010:00:150
134491390,4ptp4l0-21swapper/009:15:230
134491390,4ptp4l0-21swapper/008:52:290
134491390,4ptp4l0-21swapper/008:36:480
134491390,4ptp4l0-21swapper/007:50:220
134491390,4ptp4l0-21swapper/007:30:190
134491390,3ptp4l472-21irqstats12:20:161
134491390,3ptp4l24502-21apt-get10:50:131
134491390,3ptp4l12809-21iostat_ios08:05:180
134491390,3ptp4l0-21swapper/311:15:153
134491390,3ptp4l0-21swapper/310:10:213
134491390,3ptp4l0-21swapper/211:01:092
134491390,3ptp4l0-21swapper/209:15:212
134491390,3ptp4l0-21swapper/011:46:590
134491390,2ptp4l29786-21ntp_states08:40:231
18839993833,3cyclictest33-21ksoftirqd/209:27:522
134491380,5ptp4l3747-21df10:05:140
134491380,5ptp4l1883799cyclictest07:35:160
134491380,5ptp4l0-21swapper/109:01:241
134491380,4ptp4l0-21swapper/312:15:223
134491380,4ptp4l0-21swapper/309:01:223
134491380,4ptp4l0-21swapper/308:30:343
134491380,4ptp4l0-21swapper/308:00:433
134491380,4ptp4l0-21swapper/210:35:572
134491380,4ptp4l0-21swapper/210:35:562
134491380,4ptp4l0-21swapper/209:56:372
134491380,4ptp4l0-21swapper/209:35:522
134491380,4ptp4l0-21swapper/209:35:522
134491380,4ptp4l0-21swapper/209:10:192
134491380,4ptp4l0-21swapper/208:17:172
134491380,4ptp4l0-21swapper/207:53:582
134491380,4ptp4l0-21swapper/207:30:242
134491380,4ptp4l0-21swapper/207:25:072
134491380,4ptp4l0-21swapper/112:36:191
134491380,4ptp4l0-21swapper/111:52:251
134491380,4ptp4l0-21swapper/110:49:591
134491380,4ptp4l0-21swapper/109:55:211
134491380,4ptp4l0-21swapper/108:55:191
134491380,4ptp4l0-21swapper/108:45:271
134491380,4ptp4l0-21swapper/108:45:271
134491380,4ptp4l0-21swapper/107:30:181
134491380,4ptp4l0-21swapper/011:55:190
134491380,4ptp4l0-21swapper/008:25:080
134491380,4ptp4l0-21swapper/008:10:200
134491380,4ptp4l0-21swapper/008:10:200
134491380,4ptp4l0-21swapper/007:40:560
134491380,4ptp4l0-21swapper/007:40:560
134491380,3ptp4l1317-21runrttasks12:24:222
134491380,3ptp4l0-21swapper/209:00:112
134491380,3ptp4l0-21swapper/208:20:262
134491380,3ptp4l0-21swapper/207:23:292
134491380,3ptp4l0-21swapper/012:30:230
134491380,3ptp4l0-21swapper/009:06:580
134491370,5ptp4l0-21swapper/010:35:120
134491370,5ptp4l0-21swapper/010:35:110
134491370,4ptp4l0-21swapper/210:07:072
134491370,4ptp4l0-21swapper/208:10:412
134491370,4ptp4l0-21swapper/208:10:412
134491370,4ptp4l0-21swapper/110:00:041
134491370,4ptp4l0-21swapper/011:50:230
134491370,4ptp4l0-21swapper/007:25:170
134491370,3ptp4l0-21swapper/211:05:142
134491370,3ptp4l0-21swapper/207:58:222
134491370,3ptp4l0-21swapper/110:20:271
1378913226,2phc2sys0-21swapper/207:05:262
46198240,14rtkit-daemon0-21swapper/307:06:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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