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2025-12-01 - 15:39
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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 Mon Dec 01, 2025 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1843522050,4sleep30-21swapper/307:05:363
3190621340,3sleep01921799cyclictest09:55:150
1597121300,6sleep21921999cyclictest09:20:192
2847191680,27ptp4l8932-21apt-get11:25:123
2847191670,5ptp4l0-21swapper/111:00:321
2847191670,2ptp4l121rcu_preempt09:45:263
2847191630,4ptp4l0-21swapper/008:35:260
2847191600,4ptp4l0-21swapper/111:54:561
2847191590,5ptp4l0-21swapper/007:07:270
2847191590,4ptp4l0-21swapper/110:15:271
2847191590,4ptp4l0-21swapper/010:50:250
2847191580,5ptp4l0-21swapper/308:32:513
2847191580,4ptp4l0-21swapper/309:17:523
2847191580,4ptp4l0-21swapper/112:07:401
2847191580,3ptp4l0-21swapper/311:35:133
2847191580,3ptp4l0-21swapper/309:05:183
2847191570,5ptp4l0-21swapper/107:09:281
2847191570,3ptp4l0-21swapper/208:50:002
2847191560,16ptp4l0-21swapper/112:21:421
2847191550,3ptp4l0-21swapper/111:46:101
2847191550,3ptp4l0-21swapper/108:55:131
19218995525,7cyclictest25-21ksoftirqd/110:05:301
2847191540,4ptp4l0-21swapper/111:43:191
2847191540,4ptp4l0-21swapper/111:43:181
2847191540,4ptp4l0-21swapper/010:23:470
2847191540,3ptp4l0-21swapper/207:40:212
276772540,4sleep30-21swapper/308:35:233
2847191530,4ptp4l0-21swapper/310:55:173
2847191530,4ptp4l0-21swapper/111:38:451
2847191530,4ptp4l0-21swapper/111:11:111
2847191530,4ptp4l0-21swapper/109:41:241
2847191530,3ptp4l0-21swapper/111:57:251
2847191520,4ptp4l0-21swapper/309:33:213
2847191520,4ptp4l0-21swapper/112:37:161
2847191520,4ptp4l0-21swapper/111:22:251
2847191520,4ptp4l0-21swapper/110:02:461
2847191520,4ptp4l0-21swapper/008:46:270
2847191520,3ptp4l0-21swapper/107:23:061
2847191520,12ptp4l0-21swapper/109:07:301
2847191510,4ptp4l0-21swapper/008:14:520
2847191510,3ptp4l0-21swapper/111:18:371
2847191500,4ptp4l0-21swapper/310:18:353
2847191500,4ptp4l0-21swapper/211:41:182
2847191500,4ptp4l0-21swapper/211:41:182
2847191500,4ptp4l0-21swapper/107:26:471
2847191500,3ptp4l0-21swapper/007:13:070
2847191500,12ptp4l0-21swapper/112:34:311
2847191490,4ptp4l0-21swapper/212:24:042
2847191490,3ptp4l0-21swapper/307:50:343
2847191490,3ptp4l0-21swapper/111:31:341
2847191490,3ptp4l0-21swapper/108:11:111
122192490,4sleep112222-21latency_hist08:05:001
2847191480,4ptp4l0-21swapper/309:24:113
2847191480,4ptp4l0-21swapper/208:15:572
2847191480,3ptp4l0-21swapper/310:13:203
2847191480,3ptp4l0-21swapper/112:12:511
2847191480,3ptp4l0-21swapper/112:12:511
2847191480,2ptp4l0-21swapper/312:35:203
2849491470,10getstats33-21ksoftirqd/211:19:592
2847191470,4ptp4l0-21swapper/212:03:482
2847191470,4ptp4l0-21swapper/109:02:421
2847191470,3ptp4l0-21swapper/108:52:441
2847191470,13ptp4l0-21swapper/212:30:132
2847191470,11ptp4l0-21swapper/107:39:331
2847191470,10ptp4l0-21swapper/211:29:082
1921899472,5cyclictest0-21swapper/107:45:271
2847191460,7ptp4l0-21swapper/011:04:570
2847191460,6ptp4l0-21swapper/310:00:273
2847191460,5ptp4l0-21swapper/308:00:013
2847191460,4ptp4l16964-21ls09:20:280
2847191460,3ptp4l0-21swapper/208:40:192
2847191460,3ptp4l0-21swapper/008:50:110
2847191460,2ptp4l0-21swapper/107:44:231
2847191460,11ptp4l0-21swapper/311:55:283
2847191450,9ptp4l0-21swapper/208:56:202
2847191450,6ptp4l0-21swapper/312:18:113
2847191450,4ptp4l31957-21apt-get11:05:133
2847191450,4ptp4l1910-21apt-get11:10:133
2847191450,4ptp4l15731-21apt-get10:30:143
2847191450,4ptp4l13548-21apt-get11:35:122
2847191450,4ptp4l0-21swapper/010:00:070
2847191450,3ptp4l6468-21ls07:50:221
2847191450,2ptp4l0-21swapper/010:33:470
2847191450,10ptp4l0-21swapper/307:17:093
1921999456,3cyclictest121rcu_preempt07:25:492
2847191440,9ptp4l0-21swapper/310:45:273
2847191440,9ptp4l0-21swapper/212:16:152
2847191440,9ptp4l0-21swapper/207:58:192
2847191440,9ptp4l0-21swapper/207:30:472
2847191440,5ptp4l0-21swapper/312:30:133
2847191440,4ptp4l24995-21apt-get10:50:133
2847191440,4ptp4l1778-21gnome-shell12:04:591
2847191440,4ptp4l0-21swapper/112:15:301
2847191440,3ptp4l3133-21apt-get07:45:142
2847191440,3ptp4l29275-21apt-get09:50:121
2847191440,3ptp4l18037-21apt-get10:35:132
2847191440,10ptp4l0-21swapper/209:57:592
2847191430,9ptp4l0-21swapper/209:51:412
2847191430,8ptp4l0-21swapper/211:52:392
2847191430,6ptp4l0-21swapper/309:00:123
2847191430,5ptp4l32276-21diskstats11:05:152
2847191430,5ptp4l1778-21gnome-shell12:02:590
2847191430,5ptp4l0-21swapper/311:50:203
2847191430,5ptp4l0-21swapper/211:20:122
2847191430,5ptp4l0-21swapper/207:20:172
2847191430,4ptp4l7025-21meminfo09:00:200
2847191430,4ptp4l6192-21apt-get10:10:131
2847191430,4ptp4l29775-21apt-get12:10:132
2847191430,4ptp4l29775-21apt-get12:10:122
2847191430,4ptp4l26964-21apt-get09:45:142
2847191430,4ptp4l20817-21hddtemp_smartct10:40:210
2847191430,4ptp4l15882-21ntp_states08:10:242
2847191430,4ptp4l14369-21ls10:25:210
2847191430,4ptp4l11560-21diskstats11:30:170
2847191430,4ptp4l0-21swapper/210:17:102
2847191430,4ptp4l0-21swapper/107:14:281
2847191430,3ptp4l21204-21phc2sys-jitter09:30:240
2847191430,3ptp4l18192-21apt-get11:45:143
2847191430,3ptp4l0-21swapper/011:55:030
2847191420,6ptp4l0-21swapper/007:54:240
2847191420,5ptp4l16350-21memory09:20:211
2847191420,5ptp4l0-21swapper/308:55:203
2847191420,5ptp4l0-21swapper/308:40:173
2847191420,5ptp4l0-21swapper/212:35:202
2847191420,5ptp4l0-21swapper/211:00:302
2847191420,5ptp4l0-21swapper/210:30:142
2847191420,4ptp4l5037-21hddtemp_smartct12:25:171
2847191420,4ptp4l30213-21users07:30:291
2847191420,4ptp4l21140-21ntp_states09:30:231
2847191420,4ptp4l18655-21meminfo09:25:202
2847191420,4ptp4l1694-21diskstats08:50:153
2847191420,4ptp4l14381-21memory10:25:223
2847191420,4ptp4l0-21swapper/208:50:382
2847191420,4ptp4l0-21swapper/207:37:532
2847191420,4ptp4l0-21swapper/111:05:151
2847191420,4ptp4l0-21swapper/108:49:411
2847191420,4ptp4l0-21swapper/108:08:131
2847191420,3ptp4l20981-21python08:20:273
2847191420,3ptp4l11242-21apt-get11:30:142
2847191420,3ptp4l0-21swapper/009:16:490
2847191410,9ptp4l0-21swapper/209:15:412
2847191410,7ptp4l0-21swapper/212:27:322
2847191410,6ptp4l0-21swapper/009:50:500
2847191410,5ptp4l5468-21ls10:05:313
2847191410,5ptp4l13202-21readlink10:25:012
2847191410,5ptp4l0-21swapper/310:40:163
2847191410,5ptp4l0-21swapper/307:46:133
2847191410,5ptp4l0-21swapper/211:10:132
2847191410,5ptp4l0-21swapper/107:56:091
2847191410,4ptp4l18915-21ps09:25:240
2847191410,4ptp4l11326-21perl10:20:162
2847191410,4ptp4l0-21swapper/310:35:263
2847191410,4ptp4l0-21swapper/309:28:263
2847191410,4ptp4l0-21swapper/308:25:073
2847191410,4ptp4l0-21swapper/211:56:402
2847191410,4ptp4l0-21swapper/210:52:562
2847191410,4ptp4l0-21swapper/210:49:052
2847191410,4ptp4l0-21swapper/210:40:212
2847191410,4ptp4l0-21swapper/209:34:452
2847191410,4ptp4l0-21swapper/208:05:242
2847191410,4ptp4l0-21swapper/207:12:132
2847191410,4ptp4l0-21swapper/110:35:181
2847191410,4ptp4l0-21swapper/109:35:151
2847191410,4ptp4l0-21swapper/109:35:141
2847191410,4ptp4l0-21swapper/109:25:231
2847191410,4ptp4l0-21swapper/012:32:540
2847191410,4ptp4l0-21swapper/011:53:240
2847191410,4ptp4l0-21swapper/011:09:260
2847191410,4ptp4l0-21swapper/010:15:220
2847191410,4ptp4l0-21swapper/009:11:100
2847191410,4ptp4l0-21swapper/008:22:150
2847191410,4ptp4l0-21swapper/008:09:300
2847191410,4ptp4l0-21swapper/007:45:130
2847191410,4ptp4l0-21swapper/007:40:180
2847191410,4ptp4l0-21swapper/007:32:170
2847191410,4ptp4l0-21swapper/007:25:240
2847191410,3ptp4l6569-21ntp_states07:50:242
2847191410,3ptp4l3735-21apt-get08:55:120
2847191410,3ptp4l27780-21diskstats12:05:160
2847191410,3ptp4l25452-21ls08:30:202
2847191410,3ptp4l22321-21apt-get09:35:120
2847191410,3ptp4l22321-21apt-get09:35:120
2847191410,3ptp4l14134-21iostat_ios11:35:180
2847191410,10ptp4l0-21swapper/311:17:473
1921999417,4cyclictest33-21ksoftirqd/210:13:472
2847191400,7ptp4l0-21swapper/308:45:443
2847191400,5ptp4l12360-21chrt10:20:271
2847191400,5ptp4l11367-21irqrtprio09:10:183
2847191400,5ptp4l0-21swapper/309:40:133
2847191400,5ptp4l0-21swapper/208:02:592
2847191400,4ptp4l9881-21ssh09:05:292
2847191400,4ptp4l31453-21irqrtprio07:35:183
2847191400,4ptp4l24216-21diskstats07:20:160
2847191400,4ptp4l1355-21users12:15:290
2847191400,4ptp4l0-21swapper/312:20:233
2847191400,4ptp4l0-21swapper/312:10:153
2847191400,4ptp4l0-21swapper/312:10:153
2847191400,4ptp4l0-21swapper/311:40:193
2847191400,4ptp4l0-21swapper/311:40:193
2847191400,4ptp4l0-21swapper/311:30:173
2847191400,4ptp4l0-21swapper/309:50:263
2847191400,4ptp4l0-21swapper/308:15:183
2847191400,4ptp4l0-21swapper/308:05:213
2847191400,4ptp4l0-21swapper/307:55:153
2847191400,4ptp4l0-21swapper/307:21:093
2847191400,4ptp4l0-21swapper/307:14:033
2847191400,4ptp4l0-21swapper/212:05:272
2847191400,4ptp4l0-21swapper/211:49:592
2847191400,4ptp4l0-21swapper/210:55:212
2847191400,4ptp4l0-21swapper/210:05:032
2847191400,4ptp4l0-21swapper/209:40:222
2847191400,4ptp4l0-21swapper/209:12:012
2847191400,4ptp4l0-21swapper/208:39:402
2847191400,4ptp4l0-21swapper/208:27:002
2847191400,4ptp4l0-21swapper/208:22:122
2847191400,4ptp4l0-21swapper/207:18:092
2847191400,4ptp4l0-21swapper/109:58:011
2847191400,4ptp4l0-21swapper/109:45:181
2847191400,4ptp4l0-21swapper/108:40:221
2847191400,4ptp4l0-21swapper/108:35:191
2847191400,4ptp4l0-21swapper/108:29:191
2847191400,4ptp4l0-21swapper/108:15:301
2847191400,4ptp4l0-21swapper/107:15:191
2847191400,4ptp4l0-21swapper/012:20:460
2847191400,4ptp4l0-21swapper/011:25:290
2847191400,4ptp4l0-21swapper/011:15:550
2847191400,4ptp4l0-21swapper/011:12:100
2847191400,4ptp4l0-21swapper/010:56:510
2847191400,4ptp4l0-21swapper/010:05:130
2847191400,4ptp4l0-21swapper/009:47:250
2847191400,4ptp4l0-21swapper/009:42:440
2847191400,4ptp4l0-21swapper/008:30:250
2847191400,4ptp4l0-21swapper/008:25:120
2847191400,4ptp4l0-21swapper/008:15:240
2847191400,4ptp4l0-21swapper/007:57:370
2847191400,4ptp4l0-21swapper/007:38:350
2847191400,3ptp4l9024-21apt-get12:35:030
2847191400,3ptp4l27463-21apt-get12:05:143
2847191400,3ptp4l18246-21df10:35:150
2847191400,3ptp4l14744-21/usr/sbin/munin08:10:113
2847191400,3ptp4l11853-21memory10:20:203
2847191400,3ptp4l0-21swapper/210:00:192
2847191400,3ptp4l0-21swapper/108:32:051
2847191400,3ptp4l0-21swapper/010:46:470
2847191390,5ptp4l0-21swapper/311:00:203
2847191390,5ptp4l0-21swapper/010:10:130
2847191390,4ptp4l0-21swapper/312:25:263
2847191390,4ptp4l0-21swapper/312:00:173
2847191390,4ptp4l0-21swapper/309:58:253
2847191390,4ptp4l0-21swapper/309:35:133
2847191390,4ptp4l0-21swapper/309:35:123
2847191390,4ptp4l0-21swapper/307:40:203
2847191390,4ptp4l0-21swapper/307:25:213
2847191390,4ptp4l0-21swapper/209:35:392
2847191390,4ptp4l0-21swapper/209:35:392
2847191390,4ptp4l0-21swapper/209:00:042
2847191390,4ptp4l0-21swapper/111:26:061
2847191390,4ptp4l0-21swapper/110:57:231
2847191390,4ptp4l0-21swapper/110:53:411
2847191390,4ptp4l0-21swapper/110:46:301
2847191390,4ptp4l0-21swapper/110:40:391
2847191390,4ptp4l0-21swapper/110:30:131
2847191390,4ptp4l0-21swapper/110:27:091
2847191390,4ptp4l0-21swapper/109:15:141
2847191390,4ptp4l0-21swapper/109:11:011
2847191390,4ptp4l0-21swapper/108:20:231
2847191390,4ptp4l0-21swapper/012:25:260
2847191390,4ptp4l0-21swapper/011:21:060
2847191390,4ptp4l0-21swapper/008:40:310
2847191390,4ptp4l0-21swapper/008:00:160
2847191390,4ptp4l0-21swapper/007:17:530
2847191390,3ptp4l0-21swapper/307:30:233
2847191390,3ptp4l0-21swapper/012:10:080
2847191390,3ptp4l0-21swapper/012:10:070
2847191390,3ptp4l0-21swapper/011:46:040
2847191390,3ptp4l0-21swapper/009:06:300
2847191380,3ptp4l0-21swapper/311:20:133
2847191380,3ptp4l0-21swapper/011:40:060
2847191380,3ptp4l0-21swapper/011:40:060
169582212,11sleep216862-21/usr/sbin/munin07:05:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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