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2026-09-01 - 23:02
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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 Sep 01, 2026 12:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491640,4ptp4l0-21swapper/109:20:401
134491640,4ptp4l0-21swapper/109:20:401
134782630,6sleep30-21swapper/311:40:003
134491600,3ptp4l24629-21grep07:25:151
134491600,10ptp4l0-21swapper/207:34:552
134491580,4ptp4l0-21swapper/110:15:161
134491580,4ptp4l0-21swapper/109:55:241
134491580,3ptp4l0-21swapper/209:50:012
134491580,3ptp4l0-21swapper/007:50:310
134491570,4ptp4l0-21swapper/109:40:191
134491570,4ptp4l0-21swapper/009:40:280
134491570,3ptp4l28500-21chrt07:33:221
134491570,3ptp4l0-21swapper/211:05:262
282602560,5sleep00-21swapper/012:10:190
134491540,23ptp4l9-21ksoftirqd/009:05:250
134491530,4ptp4l0-21swapper/010:22:310
134491530,3ptp4l0-21swapper/209:40:502
134491530,13ptp4l0-21swapper/107:19:471
134491520,5ptp4l0-21swapper/212:14:072
134491520,4ptp4l0-21swapper/312:21:413
134491520,4ptp4l0-21swapper/209:28:512
134491520,4ptp4l0-21swapper/111:00:281
134491520,4ptp4l0-21swapper/011:24:210
134491520,3ptp4l0-21swapper/209:36:512
134491520,3ptp4l0-21swapper/110:10:291
134491520,3ptp4l0-21swapper/012:25:270
134491520,18ptp4l9-21ksoftirqd/008:25:050
134491520,13ptp4l0-21swapper/008:15:280
134491510,9ptp4l0-21swapper/012:20:100
134491510,5ptp4l0-21swapper/007:26:360
134491510,4ptp4l0-21swapper/207:14:502
134491510,4ptp4l0-21swapper/010:50:120
134491500,4ptp4l0-21swapper/212:16:312
134491500,4ptp4l0-21swapper/209:11:052
134491500,4ptp4l0-21swapper/208:21:012
134491500,4ptp4l0-21swapper/208:11:262
134491500,4ptp4l0-21swapper/110:44:191
134491500,3ptp4l0-21swapper/211:40:512
134491500,3ptp4l0-21swapper/210:34:352
134491490,4ptp4l0-21swapper/311:34:503
134491490,4ptp4l0-21swapper/212:24:262
134491490,4ptp4l0-21swapper/212:03:582
134491490,4ptp4l0-21swapper/210:57:292
134491490,4ptp4l0-21swapper/210:23:572
134491490,4ptp4l0-21swapper/209:55:312
134491490,4ptp4l0-21swapper/209:08:192
134491490,4ptp4l0-21swapper/208:53:352
134491490,4ptp4l0-21swapper/207:23:482
134491490,4ptp4l0-21swapper/109:47:361
134491490,4ptp4l0-21swapper/109:15:201
134491490,4ptp4l0-21swapper/109:00:181
134491490,4ptp4l0-21swapper/010:46:140
134491490,4ptp4l0-21swapper/009:27:250
134491480,9ptp4l0-21swapper/009:51:320
134491480,6ptp4l0-21swapper/207:09:462
134491480,4ptp4l1730399cyclictest11:52:023
134491480,4ptp4l0-21swapper/312:29:493
134491480,4ptp4l0-21swapper/208:41:142
134491480,4ptp4l0-21swapper/111:55:361
134491480,4ptp4l0-21swapper/111:25:331
134491480,3ptp4l0-21swapper/110:59:171
134491480,3ptp4l0-21swapper/107:50:241
134491470,4ptp4l0-21swapper/011:33:150
134491470,4ptp4l0-21swapper/007:57:010
134491470,3ptp4l0-21swapper/312:30:293
134491470,3ptp4l0-21swapper/308:10:133
134491470,3ptp4l0-21swapper/109:30:151
134491470,3ptp4l0-21swapper/108:00:591
134491470,3ptp4l0-21swapper/007:40:290
134491470,10ptp4l2318-21gnome-shell09:29:591
134491460,9ptp4l0-21swapper/211:36:052
134491460,9ptp4l0-21swapper/009:31:090
134491460,4ptp4l0-21swapper/311:03:083
134491460,3ptp4l0-21swapper/308:08:503
134491460,17ptp4l9-21ksoftirqd/007:33:300
134491460,10ptp4l0-21swapper/107:45:141
134491460,10ptp4l0-21swapper/011:40:560
17302994539,3cyclictest33-21ksoftirqd/211:20:002
134491450,9ptp4l0-21swapper/210:06:332
134491450,5ptp4l0-21swapper/107:09:301
134491450,3ptp4l0-21swapper/312:05:503
134491450,3ptp4l0-21swapper/311:49:083
134491450,3ptp4l0-21swapper/309:04:313
134491450,3ptp4l0-21swapper/108:49:321
134491450,3ptp4l0-21swapper/011:02:210
134491450,12ptp4l0-21swapper/009:36:530
134491450,10ptp4l0-21swapper/112:23:281
17303994438,3cyclictest41-21ksoftirqd/310:40:003
17303994433,9cyclictest41-21ksoftirqd/307:50:293
134491440,9ptp4l0-21swapper/212:31:012
134491440,3ptp4l15558-21apt-get09:25:143
134491440,3ptp4l0-21swapper/207:55:122
134491440,3ptp4l0-21swapper/109:07:161
134491430,9ptp4l0-21swapper/210:35:322
134491430,9ptp4l0-21swapper/210:00:542
134491430,9ptp4l0-21swapper/207:46:482
134491430,8ptp4l0-21swapper/211:10:562
134491430,7ptp4l0-21swapper/210:15:262
134491430,7ptp4l0-21swapper/007:08:180
134491430,5ptp4l27821-21ntp_states08:40:233
134491430,4ptp4l17860-21apt-get09:30:132
134491430,4ptp4l0-21swapper/011:14:520
134491430,3ptp4l0-21swapper/008:37:080
134491420,9ptp4l0-21swapper/209:17:162
134491420,9ptp4l0-21swapper/209:00:372
134491420,8ptp4l0-21swapper/210:43:452
134491420,8ptp4l0-21swapper/208:56:332
134491420,7ptp4l17061-21cat07:10:003
134491420,5ptp4l27605-21/usr/sbin/munin09:50:191
134491420,5ptp4l0-21swapper/312:00:223
134491420,5ptp4l0-21swapper/208:25:132
134491420,5ptp4l0-21swapper/011:50:280
134491420,5ptp4l0-21swapper/010:55:180
134491420,5ptp4l0-21swapper/009:20:590
134491420,5ptp4l0-21swapper/009:20:590
134491420,4ptp4l31563-21apt-get08:50:131
134491420,4ptp4l27015-21users12:05:290
134491420,4ptp4l23213-21hddtemp_smartct12:00:160
134491420,4ptp4l10584-21apt-get08:05:120
134491420,4ptp4l0-21swapper/208:17:102
134491420,4ptp4l0-21swapper/207:43:332
134491420,4ptp4l0-21swapper/107:55:141
134491420,1ptp4l0-21swapper/211:04:552
134491420,10ptp4l0-21swapper/107:10:181
17302994128,6cyclictest33-21ksoftirqd/209:20:392
17302994128,6cyclictest33-21ksoftirqd/209:20:392
134491410,5ptp4l0-21swapper/311:15:153
134491410,5ptp4l0-21swapper/108:15:161
134491410,5ptp4l0-21swapper/010:30:180
134491410,4ptp4l780-21ntp_states11:10:241
134491410,4ptp4l7435-21iostat_ios12:35:181
134491410,4ptp4l6970-21df_inode11:25:140
134491410,4ptp4l4934-21iostat11:20:181
134491410,4ptp4l4417-21hddtemp_smartct10:10:160
134491410,4ptp4l22377-21apt-get10:50:021
134491410,4ptp4l1890-21iostat_ios07:45:190
134491410,4ptp4l0-21swapper/310:00:153
134491410,4ptp4l0-21swapper/111:05:341
134491410,4ptp4l0-21swapper/110:25:241
134491410,4ptp4l0-21swapper/108:05:141
134491410,4ptp4l0-21swapper/010:05:200
134491410,3ptp4l24531-21apt-get12:01:061
134491410,3ptp4l13185-21diskstats08:10:141
134491410,3ptp4l0-21swapper/011:15:260
17303994034,4cyclictest41-21ksoftirqd/309:39:593
17302994035,3cyclictest33-21ksoftirqd/208:50:002
134491400,5ptp4l32037-21sed11:10:000
134491400,5ptp4l0-21swapper/107:35:191
134491400,5ptp4l0-21swapper/012:15:230
134491400,5ptp4l0-21swapper/011:55:230
134491400,5ptp4l0-21swapper/011:35:150
134491400,5ptp4l0-21swapper/010:40:120
134491400,5ptp4l0-21swapper/009:45:260
134491400,5ptp4l0-21swapper/009:15:150
134491400,5ptp4l0-21swapper/008:45:200
134491400,4ptp4l22159-21df07:20:160
134491400,4ptp4l16274-21iostat10:35:210
134491400,4ptp4l10652-21apt-get10:25:020
134491400,4ptp4l0-21swapper/312:35:203
134491400,4ptp4l0-21swapper/310:20:233
134491400,4ptp4l0-21swapper/309:50:173
134491400,4ptp4l0-21swapper/309:43:023
134491400,4ptp4l0-21swapper/309:05:273
134491400,4ptp4l0-21swapper/307:32:443
134491400,4ptp4l0-21swapper/212:06:002
134491400,4ptp4l0-21swapper/211:55:372
134491400,4ptp4l0-21swapper/211:54:532
134491400,4ptp4l0-21swapper/208:35:592
134491400,4ptp4l0-21swapper/208:08:142
134491400,4ptp4l0-21swapper/207:50:432
134491400,4ptp4l0-21swapper/207:26:172
134491400,4ptp4l0-21swapper/207:15:182
134491400,4ptp4l0-21swapper/112:25:151
134491400,4ptp4l0-21swapper/111:42:581
134491400,4ptp4l0-21swapper/111:35:141
134491400,4ptp4l0-21swapper/111:15:211
134491400,4ptp4l0-21swapper/110:37:461
134491400,4ptp4l0-21swapper/109:35:151
134491400,4ptp4l0-21swapper/012:35:440
134491400,4ptp4l0-21swapper/012:31:500
134491400,4ptp4l0-21swapper/009:14:070
134491400,4ptp4l0-21swapper/009:00:100
134491400,4ptp4l0-21swapper/008:55:230
134491400,4ptp4l0-21swapper/008:01:110
134491400,3ptp4l6851-21iostat10:15:170
134491400,3ptp4l3361-21users10:05:291
134491400,3ptp4l24823-21hddtemp_smartct08:35:191
134491400,3ptp4l1890-21hddtemp_smartct08:55:171
134491400,3ptp4l18456-21memory08:20:201
134491400,3ptp4l0-21swapper/208:03:592
134491400,3ptp4l0-21swapper/207:36:562
134491400,2ptp4l29908-21ls07:35:220
17303993933,3cyclictest41-21ksoftirqd/309:20:003
1730399392,2cyclictest0-21swapper/309:20:393
1730399392,2cyclictest0-21swapper/309:20:393
17302993934,3cyclictest33-21ksoftirqd/208:30:242
134491390,5ptp4l10079-21ntpq11:30:241
134491390,5ptp4l0-21swapper/112:10:181
134491390,5ptp4l0-21swapper/108:31:241
134491390,5ptp4l0-21swapper/008:30:220
134491390,5ptp4l0-21swapper/007:15:120
134491390,4ptp4l2919-21irqrtprio12:25:182
134491390,4ptp4l28225-21sed08:40:271
134491390,4ptp4l20534-21df10:45:121
134491390,4ptp4l17845-21taskset11:49:090
134491390,4ptp4l0-21swapper/312:19:173
134491390,4ptp4l0-21swapper/311:56:473
134491390,4ptp4l0-21swapper/311:40:223
134491390,4ptp4l0-21swapper/311:14:333
134491390,4ptp4l0-21swapper/311:05:153
134491390,4ptp4l0-21swapper/310:55:263
134491390,4ptp4l0-21swapper/310:50:233
134491390,4ptp4l0-21swapper/310:45:103
134491390,4ptp4l0-21swapper/310:10:033
134491390,4ptp4l0-21swapper/309:30:433
134491390,4ptp4l0-21swapper/308:20:123
134491390,4ptp4l0-21swapper/308:00:483
134491390,4ptp4l0-21swapper/307:45:183
134491390,4ptp4l0-21swapper/212:36:012
134491390,4ptp4l0-21swapper/211:45:092
134491390,4ptp4l0-21swapper/211:27:502
134491390,4ptp4l0-21swapper/211:23:162
134491390,4ptp4l0-21swapper/210:51:352
134491390,4ptp4l0-21swapper/210:45:522
134491390,4ptp4l0-21swapper/210:29:352
134491390,4ptp4l0-21swapper/210:10:182
134491390,4ptp4l0-21swapper/209:53:412
134491390,4ptp4l0-21swapper/112:30:271
134491390,4ptp4l0-21swapper/112:05:301
134491390,4ptp4l0-21swapper/111:50:291
134491390,4ptp4l0-21swapper/110:23:571
134491390,4ptp4l0-21swapper/110:00:161
134491390,4ptp4l0-21swapper/108:28:241
134491390,4ptp4l0-21swapper/107:20:141
134491390,4ptp4l0-21swapper/010:00:190
134491390,4ptp4l0-21swapper/009:58:160
134491390,4ptp4l0-21swapper/008:50:150
134491390,4ptp4l0-21swapper/008:40:240
134491390,4ptp4l0-21swapper/008:20:250
134491390,4ptp4l0-21swapper/008:10:160
134491390,3ptp4l8948-21diskstats09:10:151
134491390,3ptp4l31205-21ps12:15:241
134491390,3ptp4l30936-21apt-get07:40:011
134491390,3ptp4l0-21swapper/312:13:103
134491390,3ptp4l0-21swapper/110:30:591
134491390,3ptp4l0-21swapper/007:13:270
17303993832,3cyclictest41-21ksoftirqd/308:30:133
134491380,4ptp4l0-21swapper/311:26:213
134491380,4ptp4l0-21swapper/310:40:013
134491380,4ptp4l0-21swapper/310:28:523
134491380,4ptp4l0-21swapper/310:07:273
134491380,4ptp4l0-21swapper/309:56:193
134491380,4ptp4l0-21swapper/309:13:273
134491380,4ptp4l0-21swapper/308:59:263
134491380,4ptp4l0-21swapper/308:49:113
134491380,4ptp4l0-21swapper/308:18:303
134491380,4ptp4l0-21swapper/307:57:083
134491380,4ptp4l0-21swapper/307:26:103
134491380,4ptp4l0-21swapper/211:34:582
134491380,4ptp4l0-21swapper/111:45:101
134491380,3ptp4l0-21swapper/310:15:413
17303993732,3cyclictest41-21ksoftirqd/307:20:213
134491370,4ptp4l0-21swapper/311:23:173
134491370,4ptp4l0-21swapper/309:45:423
134491370,4ptp4l0-21swapper/307:40:123
134491370,3ptp4l0-21swapper/308:28:123
134491360,4ptp4l0-21swapper/308:37:293
134491360,4ptp4l0-21swapper/307:36:363
134491360,3ptp4l0-21swapper/310:31:493
134491350,4ptp4l0-21swapper/307:13:343
17303993429,3cyclictest41-21ksoftirqd/308:50:193
1730399323,3cyclictest121rcu_preempt07:16:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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