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2026-05-05 - 20:26
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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 Tue May 05, 2026 12:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491720,5ptp4l0-21swapper/111:52:221
134491670,3ptp4l121rcu_preempt10:15:230
134491610,4ptp4l0-21swapper/012:25:190
134491600,4ptp4l0-21swapper/209:12:562
247362590,5sleep224740-21phc2sys12:30:232
134491590,3ptp4l9480-21fgrep08:15:242
134491580,4ptp4l0-21swapper/109:55:231
134491580,3ptp4l0-21swapper/308:25:283
134491580,3ptp4l0-21swapper/212:14:162
134491580,3ptp4l0-21swapper/008:30:190
134491580,3ptp4l0-21swapper/008:10:220
134491580,19ptp4l0-21swapper/108:35:441
134491570,5ptp4l0-21swapper/110:35:141
134491570,4ptp4l0-21swapper/110:05:131
134491570,3ptp4l0-21swapper/107:55:251
134491570,3ptp4l0-21swapper/007:48:250
134491560,5ptp4l0-21swapper/109:07:031
134491560,4ptp4l0-21swapper/210:20:092
134491550,4ptp4l0-21swapper/109:54:531
134491540,4ptp4l0-21swapper/107:33:321
134491540,13ptp4l0-21swapper/210:06:042
134491530,4ptp4l0-21swapper/209:34:522
134491530,4ptp4l0-21swapper/209:34:522
134491530,4ptp4l0-21swapper/108:55:131
134491530,4ptp4l0-21swapper/107:29:511
134491520,4ptp4l0-21swapper/011:22:090
134491520,3ptp4l0-21swapper/110:25:591
121252520,4sleep00-21swapper/010:55:180
134491510,5ptp4l0-21swapper/210:10:272
134491510,5ptp4l0-21swapper/110:32:511
134491510,4ptp4l13373-21if_err_enp4s008:25:181
134491510,4ptp4l0-21swapper/210:33:432
134491510,4ptp4l0-21swapper/210:26:082
134491510,4ptp4l0-21swapper/012:36:580
134491510,4ptp4l0-21swapper/009:03:100
134491510,3ptp4l0-21swapper/109:00:231
134491510,3ptp4l0-21swapper/009:20:180
134491500,4ptp4l0-21swapper/309:18:593
134491500,4ptp4l0-21swapper/212:17:502
134491500,4ptp4l0-21swapper/112:26:331
134491500,4ptp4l0-21swapper/111:55:051
134491500,4ptp4l0-21swapper/110:20:561
134491500,4ptp4l0-21swapper/109:22:561
134491500,4ptp4l0-21swapper/107:52:231
134491500,4ptp4l0-21swapper/107:43:421
134491500,4ptp4l0-21swapper/007:42:320
134491500,12ptp4l0-21swapper/310:33:503
134491490,4ptp4l0-21swapper/311:15:383
134491490,4ptp4l0-21swapper/108:45:561
134491490,4ptp4l0-21swapper/107:18:281
134491490,4ptp4l0-21swapper/107:12:101
134491490,4ptp4l0-21swapper/010:30:090
134491490,4ptp4l0-21swapper/009:57:250
134491490,3ptp4l0-21swapper/209:25:302
134491490,3ptp4l0-21swapper/110:12:471
134491480,4ptp4l0-21swapper/312:29:153
134491480,4ptp4l0-21swapper/310:02:093
134491480,4ptp4l0-21swapper/111:31:271
134491480,4ptp4l0-21swapper/010:20:400
134491480,18ptp4l9-21ksoftirqd/009:42:180
134491470,9ptp4l0-21swapper/011:05:150
134491470,9ptp4l0-21swapper/011:05:150
134491470,9ptp4l0-21swapper/011:01:190
134491470,5ptp4l0-21swapper/008:56:120
134491470,4ptp4l0-21swapper/310:45:573
134491470,4ptp4l0-21swapper/307:28:353
134491470,4ptp4l0-21swapper/111:20:561
134491470,4ptp4l0-21swapper/011:16:220
134491470,4ptp4l0-21swapper/008:38:280
134491470,3ptp4l0-21swapper/110:15:211
134491470,3ptp4l0-21swapper/009:09:480
134491470,3ptp4l0-21swapper/008:17:480
134491460,4ptp4l0-21swapper/110:44:181
134491460,4ptp4l0-21swapper/108:52:321
134491460,3ptp4l0-21swapper/208:20:202
134491460,3ptp4l0-21swapper/107:22:151
134491460,3ptp4l0-21swapper/010:45:190
134491460,11ptp4l8273-21grep11:55:232
134491460,11ptp4l13185-21cstates09:35:152
139932450,4sleep20-21swapper/211:00:132
134491450,6ptp4l0-21swapper/111:00:501
134491450,3ptp4l0-21swapper/010:40:230
134491450,13ptp4l9-21ksoftirqd/007:24:480
134491450,11ptp4l0-21swapper/211:45:112
134491450,11ptp4l0-21swapper/107:07:381
134491450,10ptp4l0-21swapper/009:25:320
134491440,9ptp4l0-21swapper/211:50:022
134491440,9ptp4l0-21swapper/210:55:332
134491440,9ptp4l0-21swapper/208:59:552
134491440,4ptp4l0-21swapper/308:56:283
134491440,4ptp4l0-21swapper/108:00:021
134491440,3ptp4l0-21swapper/010:03:300
134491440,3ptp4l0-21swapper/009:17:320
134491440,3ptp4l0-21swapper/008:48:310
134491440,10ptp4l0-21swapper/212:24:012
134491440,10ptp4l0-21swapper/209:57:152
10469994439,3cyclictest33-21ksoftirqd/211:40:002
134491430,9ptp4l0-21swapper/211:31:232
134491430,9ptp4l0-21swapper/210:02:072
134491430,9ptp4l0-21swapper/209:18:422
134491430,9ptp4l0-21swapper/208:38:492
134491430,9ptp4l0-21swapper/207:11:382
134491430,7ptp4l0-21swapper/007:05:170
134491430,5ptp4l0-21swapper/211:05:262
134491430,5ptp4l0-21swapper/211:05:262
134491430,5ptp4l0-21swapper/008:50:270
134491430,4ptp4l2318-21gnome-shell09:51:590
134491430,3ptp4l18978-21apt-get12:20:133
134491430,16ptp4l0-21swapper/109:41:361
10469994338,3cyclictest33-21ksoftirqd/210:50:002
10469994337,3cyclictest33-21ksoftirqd/208:10:002
10469994327,15cyclictest33-21ksoftirqd/209:05:002
134491420,9ptp4l0-21swapper/212:37:352
134491420,9ptp4l0-21swapper/211:23:022
134491420,9ptp4l0-21swapper/208:48:382
134491420,9ptp4l0-21swapper/208:31:242
134491420,9ptp4l0-21swapper/208:12:562
134491420,9ptp4l0-21swapper/207:31:122
134491420,9ptp4l0-21swapper/207:23:192
134491420,9ptp4l0-21swapper/207:17:172
134491420,8ptp4l0-21swapper/209:44:142
134491420,8ptp4l0-21swapper/207:46:232
134491420,5ptp4l1411-21/usr/sbin/munin11:40:260
134491420,4ptp4l9793-21irqstats10:50:191
134491420,4ptp4l9520-21iostat_ios10:50:180
134491420,4ptp4l27597-21irqstats07:45:191
134491420,4ptp4l16341-21hddtemp_smartct09:45:150
134491420,3ptp4l32470-21apt-get11:40:131
134491420,3ptp4l29793-21apt-get10:25:130
134491420,3ptp4l1992-21apt-get10:35:120
134491420,3ptp4l0-21swapper/112:15:101
134491420,2ptp4l0-21swapper/109:30:111
134491420,2ptp4l0-21swapper/109:30:111
134491410,9ptp4l0-21swapper/208:50:472
134491410,8ptp4l0-21swapper/212:05:432
134491410,5ptp4l951-21apt-get09:10:021
134491410,5ptp4l0-21swapper/112:05:151
134491410,5ptp4l0-21swapper/008:00:270
134491410,5ptp4l0-21swapper/007:50:120
134491410,4ptp4l4567-21meminfo08:05:210
134491410,4ptp4l24522-21memory12:30:211
134491410,4ptp4l17606-21meminfo12:15:190
134491410,3ptp4l31346-21apt-get07:55:142
134491410,3ptp4l13544-21iostat09:35:191
134491410,3ptp4l11855-21apt-get12:05:110
134491400,9ptp4l0-21swapper/210:54:532
134491400,5ptp4l0-21swapper/311:20:173
134491400,5ptp4l0-21swapper/108:15:181
134491400,5ptp4l0-21swapper/012:10:190
134491400,4ptp4l30579-21hddtemp_smartct11:35:150
134491400,4ptp4l30364-21df11:35:131
134491400,4ptp4l25492-21/usr/sbin/munin11:25:110
134491400,4ptp4l16484-21iostat_ios09:45:181
134491400,4ptp4l14093-21ps08:25:252
134491400,4ptp4l11649-21ntp_states08:20:220
134491400,4ptp4l0-21swapper/311:55:253
134491400,4ptp4l0-21swapper/311:49:393
134491400,4ptp4l0-21swapper/311:00:163
134491400,4ptp4l0-21swapper/310:23:593
134491400,4ptp4l0-21swapper/309:00:593
134491400,4ptp4l0-21swapper/211:13:562
134491400,4ptp4l0-21swapper/111:45:071
134491400,4ptp4l0-21swapper/108:30:221
134491400,4ptp4l0-21swapper/011:10:010
134491400,4ptp4l0-21swapper/009:10:180
134491400,4ptp4l0-21swapper/008:43:320
134491400,4ptp4l0-21swapper/007:56:420
134491400,3ptp4l7235-21apt-get11:55:130
134491400,3ptp4l22341-21iostat10:05:190
134491400,3ptp4l21461-21iostat_ios11:15:171
134491400,3ptp4l18133-21apt-get11:10:031
134491400,3ptp4l10837-21df_inode08:20:141
134491400,3ptp4l0-21swapper/108:08:031
134491400,3ptp4l0-21swapper/012:33:540
134491390,5ptp4l0-21swapper/211:28:432
134491390,5ptp4l0-21swapper/009:30:120
134491390,5ptp4l0-21swapper/009:30:120
134491390,4ptp4l25809-21sh11:25:151
134491390,4ptp4l0-21swapper/310:40:153
134491390,4ptp4l0-21swapper/309:43:533
134491390,4ptp4l0-21swapper/309:25:293
134491390,4ptp4l0-21swapper/308:45:163
134491390,4ptp4l0-21swapper/308:11:153
134491390,4ptp4l0-21swapper/212:26:262
134491390,4ptp4l0-21swapper/212:00:212
134491390,4ptp4l0-21swapper/211:42:152
134491390,4ptp4l0-21swapper/211:18:062
134491390,4ptp4l0-21swapper/210:37:262
134491390,4ptp4l0-21swapper/210:16:472
134491390,4ptp4l0-21swapper/209:21:202
134491390,4ptp4l0-21swapper/208:40:582
134491390,4ptp4l0-21swapper/208:01:302
134491390,4ptp4l0-21swapper/207:53:472
134491390,4ptp4l0-21swapper/207:37:312
134491390,4ptp4l0-21swapper/112:10:111
134491390,4ptp4l0-21swapper/110:59:371
134491390,4ptp4l0-21swapper/110:00:131
134491390,4ptp4l0-21swapper/109:15:241
134491390,4ptp4l0-21swapper/012:20:140
134491390,4ptp4l0-21swapper/009:35:220
134491390,4ptp4l0-21swapper/008:25:140
134491390,4ptp4l0-21swapper/007:39:130
134491390,4ptp4l0-21swapper/007:13:250
134491390,3ptp4l9-21ksoftirqd/012:00:180
134491390,3ptp4l25864-21apt-get12:35:111
134491390,3ptp4l16931-21irqstats11:05:201
134491390,3ptp4l16931-21irqstats11:05:201
134491390,3ptp4l10528-21ls10:50:273
134491390,3ptp4l0-21swapper/210:40:492
134491390,3ptp4l0-21swapper/209:07:332
134491390,3ptp4l0-21swapper/207:40:262
134491390,3ptp4l0-21swapper/112:02:251
134491390,3ptp4l0-21swapper/011:33:500
134491390,3ptp4l0-21swapper/007:25:160
134491390,3ptp4l0-21swapper/007:15:120
134491390,2ptp4l5913-21apt-get08:10:131
10469993928,9cyclictest33-21ksoftirqd/209:45:252
134491380,4ptp4l16288-21/usr/sbin/munin07:20:223
134491380,4ptp4l0-21swapper/312:12:303
134491380,4ptp4l0-21swapper/312:05:233
134491380,4ptp4l0-21swapper/311:40:583
134491380,4ptp4l0-21swapper/311:13:583
134491380,4ptp4l0-21swapper/311:06:453
134491380,4ptp4l0-21swapper/311:06:453
134491380,4ptp4l0-21swapper/310:59:113
134491380,4ptp4l0-21swapper/310:14:113
134491380,4ptp4l0-21swapper/309:45:133
134491380,4ptp4l0-21swapper/309:35:593
134491380,4ptp4l0-21swapper/309:12:563
134491380,4ptp4l0-21swapper/308:03:083
134491380,4ptp4l0-21swapper/307:53:483
134491380,4ptp4l0-21swapper/209:50:232
134491380,4ptp4l0-21swapper/110:47:201
134491380,4ptp4l0-21swapper/109:25:341
134491380,4ptp4l0-21swapper/108:41:181
134491380,4ptp4l0-21swapper/107:36:251
134491380,4ptp4l0-21swapper/011:51:070
134491380,4ptp4l0-21swapper/011:47:340
134491380,4ptp4l0-21swapper/010:11:250
134491380,3ptp4l9324-21ntp_states08:15:223
134491380,3ptp4l20156-21phc2sys-jitter12:20:251
134491380,3ptp4l20091-21df_inode07:30:140
10469993832,3cyclictest33-21ksoftirqd/207:25:152
134491370,4ptp4l0-21swapper/312:17:543
134491370,4ptp4l0-21swapper/311:31:293
134491370,4ptp4l0-21swapper/311:26:593
134491370,4ptp4l0-21swapper/310:29:593
134491370,4ptp4l0-21swapper/310:15:003
134491370,4ptp4l0-21swapper/310:06:333
134491370,4ptp4l0-21swapper/309:58:023
134491370,4ptp4l0-21swapper/309:06:103
134491370,4ptp4l0-21swapper/308:52:053
134491370,4ptp4l0-21swapper/308:41:043
134491370,4ptp4l0-21swapper/308:06:013
134491370,4ptp4l0-21swapper/307:49:033
134491370,4ptp4l0-21swapper/307:10:463
134491370,3ptp4l0-21swapper/311:50:233
134491370,3ptp4l0-21swapper/309:30:423
134491370,3ptp4l0-21swapper/309:30:423
134491370,3ptp4l0-21swapper/309:24:213
134491370,3ptp4l0-21swapper/308:35:183
134491370,3ptp4l0-21swapper/307:42:003
134491370,3ptp4l0-21swapper/307:15:593
134491360,4ptp4l0-21swapper/308:23:203
134491360,4ptp4l0-21swapper/307:34:343
134491360,3ptp4l0-21swapper/311:36:353
134491360,3ptp4l0-21swapper/307:38:593
134491350,5ptp4l0-21swapper/309:54:593
134491350,5ptp4l0-21swapper/307:55:143
134491350,3ptp4l0-21swapper/310:36:373
134491340,4ptp4l0-21swapper/312:38:113
134491340,3ptp4l1307-21sshd08:31:253
134491320,4ptp4l0-21swapper/312:03:113
10470993025,3cyclictest41-21ksoftirqd/312:30:193
137891225,10phc2sys0-21swapper/307:05:123
85472184,8sleep20-21swapper/207:05:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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