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2025-07-04 - 01:58
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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 Thu Jul 03, 2025 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2091121670,3sleep32502799cyclictest08:10:153
380921480,6sleep32502799cyclictest12:10:173
314462770,5sleep20-21swapper/209:40:402
2847191650,5ptp4l0-21swapper/107:35:301
2847191630,4ptp4l21027-21apt-get10:30:011
198482630,3sleep3391rcuc/309:15:263
2847191610,9ptp4l0-21swapper/210:51:032
2847191610,9ptp4l0-21swapper/210:51:032
2847191610,4ptp4l25611-21cut09:30:141
2847191610,4ptp4l0-21swapper/210:30:082
2847191610,4ptp4l0-21swapper/111:26:161
2847191600,5ptp4l0-21swapper/112:15:141
2847191600,4ptp4l0-21swapper/211:58:522
2847191590,4ptp4l0-21swapper/209:33:232
2847191590,4ptp4l0-21swapper/112:39:271
2847191590,4ptp4l0-21swapper/009:00:170
2847191590,10ptp4l0-21swapper/209:59:272
2847191580,3ptp4l0-21swapper/310:11:153
2847191580,3ptp4l0-21swapper/212:38:232
2847191580,3ptp4l0-21swapper/109:12:231
2847191570,4ptp4l0-21swapper/209:26:222
2847191570,4ptp4l0-21swapper/109:22:411
2847191570,4ptp4l0-21swapper/010:38:440
2847191570,3ptp4l0-21swapper/111:35:201
2847191570,3ptp4l0-21swapper/108:09:371
2847191560,4ptp4l0-21swapper/209:15:072
2847191560,4ptp4l0-21swapper/208:46:372
2847191560,4ptp4l0-21swapper/207:56:492
2847191560,4ptp4l0-21swapper/007:06:260
2847191560,3ptp4l0-21swapper/011:30:200
2847191560,2ptp4l0-21swapper/211:01:572
2847191550,4ptp4l0-21swapper/211:11:472
2847191550,4ptp4l0-21swapper/207:30:162
2847191550,4ptp4l0-21swapper/110:24:301
2847191550,4ptp4l0-21swapper/110:24:301
2847191550,4ptp4l0-21swapper/109:52:131
2847191550,4ptp4l0-21swapper/108:58:131
2847191550,4ptp4l0-21swapper/108:20:281
2847191550,4ptp4l0-21swapper/009:57:210
2847191550,3ptp4l0-21swapper/208:40:322
2847191550,3ptp4l0-21swapper/109:25:581
2847191540,4ptp4l0-21swapper/112:13:481
2847191540,4ptp4l0-21swapper/110:06:241
2847191540,4ptp4l0-21swapper/109:41:541
2847191540,4ptp4l0-21swapper/009:45:480
2847191540,4ptp4l0-21swapper/007:19:420
2847191540,4ptp4l0-21swapper/007:19:420
2847191540,3ptp4l0-21swapper/211:29:392
2847191540,3ptp4l0-21swapper/210:25:322
2847191540,3ptp4l0-21swapper/110:10:181
2847191530,4ptp4l0-21swapper/008:36:060
25027995311,28cyclictest9180-21/usr/sbin/munin08:56:063
2847191520,4ptp4l0-21swapper/212:02:482
2847191520,4ptp4l0-21swapper/111:21:561
2847191520,4ptp4l0-21swapper/009:40:320
2847191520,3ptp4l0-21swapper/011:43:190
2847191510,4ptp4l0-21swapper/007:31:370
2847191510,3ptp4l0-21swapper/111:15:351
2847191510,15ptp4l0-21swapper/007:59:270
2847191500,8ptp4l0-21swapper/010:25:200
2847191500,4ptp4l0-21swapper/209:00:482
2847191500,4ptp4l0-21swapper/208:33:382
2847191500,4ptp4l0-21swapper/207:47:462
2847191500,4ptp4l0-21swapper/108:44:541
2847191500,4ptp4l0-21swapper/107:07:391
2847191500,3ptp4l121rcu_preempt07:42:240
2847191500,3ptp4l0-21swapper/010:34:250
2847191500,3ptp4l0-21swapper/009:07:190
2847191500,2ptp4l0-21swapper/007:28:070
2847191500,17ptp4l9-21ksoftirqd/011:45:500
2847191490,4ptp4l0-21swapper/012:08:200
2847191490,4ptp4l0-21swapper/008:50:230
2847191490,3ptp4l0-21swapper/009:32:500
2847191490,10ptp4l0-21swapper/009:36:370
2847191490,10ptp4l0-21swapper/007:50:170
2847191480,10ptp4l0-21swapper/110:19:001
2847191480,10ptp4l0-21swapper/110:19:001
2847191470,6ptp4l0-21swapper/207:09:102
2847191470,4ptp4l0-21swapper/108:12:031
2847191470,4ptp4l0-21swapper/107:27:351
2847191470,4ptp4l0-21swapper/107:13:291
2847191470,3ptp4l0-21swapper/109:15:591
2847191460,5ptp4l1778-21gnome-shell11:36:590
2847191460,4ptp4l0-21swapper/110:29:211
2847191460,4ptp4l0-21swapper/010:01:090
2847191450,5ptp4l0-21swapper/307:08:173
2847191450,4ptp4l0-21swapper/112:26:551
2847191450,4ptp4l0-21swapper/110:35:561
2847191450,4ptp4l0-21swapper/108:51:301
2847191450,4ptp4l0-21swapper/008:59:280
2847191450,3ptp4l0-21swapper/209:23:562
2847191450,3ptp4l0-21swapper/109:48:161
2847191440,5ptp4l0-21swapper/310:15:133
2847191440,5ptp4l0-21swapper/310:15:133
2847191440,5ptp4l0-21swapper/111:10:201
2847191440,4ptp4l997-21apt-get12:05:172
2847191440,4ptp4l0-21swapper/110:01:491
2847191440,4ptp4l0-21swapper/109:03:231
2847191440,4ptp4l0-21swapper/108:31:531
2847191440,4ptp4l0-21swapper/108:02:101
2847191440,4ptp4l0-21swapper/012:24:570
2847191440,4ptp4l0-21swapper/011:28:190
2847191440,4ptp4l0-21swapper/011:10:310
2847191440,4ptp4l0-21swapper/011:06:480
2847191440,4ptp4l0-21swapper/007:49:110
2847191440,3ptp4l0-21swapper/311:03:253
2849491430,10getstats0-21swapper/008:29:460
2847191430,8ptp4l0-21swapper/208:01:402
2847191430,5ptp4l5871-21ps09:55:271
2847191430,4ptp4l5241-21meminfo07:35:233
2847191430,4ptp4l4215-21ntp_states11:00:261
2847191430,4ptp4l2656-21df_inode09:50:160
2847191430,4ptp4l24099-21apt-get11:45:141
2847191430,4ptp4l0-21swapper/107:51:391
2847191430,4ptp4l0-21swapper/012:35:360
2847191430,4ptp4l0-21swapper/007:12:540
2847191430,3ptp4l29703-21apt-get07:20:130
2847191430,3ptp4l0-21swapper/112:34:231
2847191420,8ptp4l0-21swapper/209:54:592
2847191420,5ptp4l0-21swapper/110:50:181
2847191420,5ptp4l0-21swapper/110:50:171
2847191420,5ptp4l0-21swapper/108:37:541
2847191420,5ptp4l0-21swapper/008:20:290
2847191420,4ptp4l9597-21df_inode10:05:170
2847191420,4ptp4l2939-21memory07:30:221
2847191420,4ptp4l28223-21irqstats07:15:191
2847191420,4ptp4l28223-21irqstats07:15:191
2847191420,4ptp4l23832-21irqstats08:15:191
2847191420,4ptp4l23383-21df_inode09:25:150
2847191420,4ptp4l1967-21ps10:55:231
2847191420,4ptp4l15793-21users10:15:310
2847191420,4ptp4l15793-21users10:15:310
2847191420,4ptp4l11354-21apt-get10:10:030
2847191420,4ptp4l10037-21ntp_states07:45:261
2847191420,4ptp4l0-21swapper/107:59:551
2847191420,4ptp4l0-21swapper/011:01:280
2847191420,4ptp4l0-21swapper/010:41:570
2847191420,4ptp4l0-21swapper/009:20:150
2847191420,4ptp4l0-21swapper/008:40:230
2847191420,4ptp4l0-21swapper/008:00:160
2847191420,3ptp4l8486-21ls10:00:293
2847191420,3ptp4l5857-21ls07:35:300
2847191420,3ptp4l29450-21meminfo10:45:211
2847191420,3ptp4l27745-21apt-get09:35:141
2847191420,3ptp4l27677-21apt-get08:25:131
25026994235,4cyclictest2828-21turbostat.cron11:00:002
2847191410,5ptp4l0-21swapper/311:45:223
2847191410,5ptp4l0-21swapper/310:33:273
2847191410,5ptp4l0-21swapper/012:30:020
2847191410,5ptp4l0-21swapper/011:15:220
2847191410,5ptp4l0-21swapper/008:15:150
2847191410,4ptp4l9364-21python12:20:301
2847191410,4ptp4l30306-21diskstats08:30:160
2847191410,4ptp4l29673-21cut10:45:290
2847191410,4ptp4l27432-21memory11:50:211
2847191410,4ptp4l27432-21memory11:50:211
2847191410,4ptp4l17090-21meminfo09:10:230
2847191410,4ptp4l1590-21iostat12:05:231
2847191410,4ptp4l14946-21ntp_states09:05:213
2847191410,4ptp4l10374-21ntp_states08:55:592
2847191410,4ptp4l0-21swapper/312:21:593
2847191410,4ptp4l0-21swapper/309:45:283
2847191410,4ptp4l0-21swapper/309:34:593
2847191410,4ptp4l0-21swapper/212:22:182
2847191410,4ptp4l0-21swapper/210:11:532
2847191410,4ptp4l0-21swapper/209:13:572
2847191410,4ptp4l0-21swapper/208:50:422
2847191410,4ptp4l0-21swapper/208:37:042
2847191410,4ptp4l0-21swapper/208:23:372
2847191410,4ptp4l0-21swapper/208:15:402
2847191410,4ptp4l0-21swapper/208:12:372
2847191410,4ptp4l0-21swapper/207:42:072
2847191410,4ptp4l0-21swapper/109:09:531
2847191410,4ptp4l0-21swapper/010:55:170
2847191410,4ptp4l0-21swapper/008:08:210
2847191410,3ptp4l9728-21hddtemp_smartct10:05:192
2847191410,3ptp4l4899-21diskstats08:45:150
2847191410,3ptp4l4022-21users09:50:303
2847191410,3ptp4l401ktimersoftd/307:11:293
2847191410,3ptp4l18643-21df09:15:140
2847191410,3ptp4l13843-21ls11:20:280
2847191410,3ptp4l0-21swapper/307:58:053
2847191410,3ptp4l0-21swapper/210:18:192
2847191410,3ptp4l0-21swapper/210:18:192
2847191400,5ptp4l0-21swapper/308:24:293
2847191400,5ptp4l0-21swapper/307:30:163
2847191400,5ptp4l0-21swapper/008:10:260
2847191400,4ptp4l41-21ksoftirqd/309:20:113
2847191400,4ptp4l11538-21ps12:25:250
2847191400,4ptp4l0-21swapper/312:05:593
2847191400,4ptp4l0-21swapper/311:15:213
2847191400,4ptp4l0-21swapper/310:44:463
2847191400,4ptp4l0-21swapper/310:26:493
2847191400,4ptp4l0-21swapper/309:40:403
2847191400,4ptp4l0-21swapper/309:01:583
2847191400,4ptp4l0-21swapper/307:47:583
2847191400,4ptp4l0-21swapper/307:21:483
2847191400,4ptp4l0-21swapper/212:28:462
2847191400,4ptp4l0-21swapper/212:13:402
2847191400,4ptp4l0-21swapper/211:21:062
2847191400,4ptp4l0-21swapper/211:09:492
2847191400,4ptp4l0-21swapper/210:46:472
2847191400,4ptp4l0-21swapper/210:35:072
2847191400,4ptp4l0-21swapper/210:20:582
2847191400,4ptp4l0-21swapper/210:20:572
2847191400,4ptp4l0-21swapper/210:01:412
2847191400,4ptp4l0-21swapper/209:45:252
2847191400,4ptp4l0-21swapper/209:05:202
2847191400,4ptp4l0-21swapper/208:06:542
2847191400,4ptp4l0-21swapper/207:35:202
2847191400,4ptp4l0-21swapper/207:21:112
2847191400,4ptp4l0-21swapper/207:17:342
2847191400,4ptp4l0-21swapper/207:17:332
2847191400,4ptp4l0-21swapper/207:11:132
2847191400,4ptp4l0-21swapper/012:10:230
2847191400,4ptp4l0-21swapper/012:03:410
2847191400,4ptp4l0-21swapper/011:55:490
2847191400,4ptp4l0-21swapper/010:20:020
2847191400,4ptp4l0-21swapper/010:20:010
2847191400,3ptp4l7552-21/usr/sbin/munin07:40:211
2847191400,3ptp4l4586-21/usr/sbin/munin08:45:131
2847191400,3ptp4l31242-21hddtemp_smartct10:50:190
2847191400,3ptp4l31242-21hddtemp_smartct10:50:190
2847191400,3ptp4l26620-21hddtemp_smartct10:40:172
2847191400,3ptp4l21309-21apt-get11:40:021
2847191400,3ptp4l0-21swapper/310:07:573
2847191400,3ptp4l0-21swapper/309:56:193
2847191400,3ptp4l0-21swapper/308:31:013
2847191400,3ptp4l0-21swapper/207:52:332
2847191400,3ptp4l0-21swapper/110:42:091
2847191400,3ptp4l0-21swapper/107:20:111
2847191400,3ptp4l0-21swapper/012:18:530
2847191390,5ptp4l0-21swapper/312:30:593
2847191390,5ptp4l0-21swapper/111:55:161
2847191390,4ptp4l16942-21apt11:30:131
2847191390,4ptp4l0-21swapper/312:15:313
2847191390,4ptp4l0-21swapper/311:55:223
2847191390,4ptp4l0-21swapper/310:53:273
2847191390,4ptp4l0-21swapper/310:53:273
2847191390,4ptp4l0-21swapper/310:39:193
2847191390,4ptp4l0-21swapper/310:21:493
2847191390,4ptp4l0-21swapper/310:21:493
2847191390,4ptp4l0-21swapper/308:50:383
2847191390,4ptp4l0-21swapper/308:26:413
2847191390,4ptp4l0-21swapper/308:05:513
2847191390,4ptp4l0-21swapper/308:04:513
2847191390,4ptp4l0-21swapper/307:44:523
2847191390,4ptp4l0-21swapper/212:32:472
2847191390,4ptp4l0-21swapper/211:36:452
2847191390,4ptp4l0-21swapper/211:34:112
2847191390,4ptp4l0-21swapper/211:15:452
2847191390,4ptp4l0-21swapper/209:35:482
2847191390,4ptp4l0-21swapper/207:29:132
2847191390,4ptp4l0-21swapper/111:05:481
2847191390,3ptp4l0-21swapper/309:25:493
2847191390,3ptp4l0-21swapper/308:48:063
2847191390,3ptp4l0-21swapper/308:16:183
2847191390,3ptp4l0-21swapper/307:52:053
2847191390,3ptp4l0-21swapper/307:26:403
2847191390,3ptp4l0-21swapper/212:15:332
2847191390,3ptp4l0-21swapper/208:26:442
2847191390,3ptp4l0-21swapper/112:00:221
2847191380,4ptp4l0-21swapper/312:25:013
2847191380,4ptp4l0-21swapper/312:00:183
2847191380,4ptp4l0-21swapper/311:40:333
2847191380,4ptp4l0-21swapper/311:11:063
2847191380,4ptp4l0-21swapper/311:09:503
2847191380,4ptp4l0-21swapper/310:57:213
2847191380,4ptp4l0-21swapper/309:38:593
2847191380,4ptp4l0-21swapper/308:40:033
2847191380,4ptp4l0-21swapper/307:19:223
2847191380,4ptp4l0-21swapper/307:19:223
2847191380,3ptp4l0-21swapper/310:46:233
2847191380,3ptp4l0-21swapper/309:10:003
2847191380,3ptp4l0-21swapper/211:51:322
2847191380,3ptp4l0-21swapper/211:51:322
2847191380,3ptp4l0-21swapper/211:45:462
2502799381,4cyclictest15764-21ntp_states11:25:253
2847191370,4ptp4l0-21swapper/312:38:413
2847191370,4ptp4l0-21swapper/311:31:393
2847191370,4ptp4l0-21swapper/311:20:563
2847191370,4ptp4l0-21swapper/011:50:490
2847191370,4ptp4l0-21swapper/011:50:490
2847191370,3ptp4l0-21swapper/211:44:172
2847191360,4ptp4l0-21swapper/311:50:123
2847191360,4ptp4l0-21swapper/311:50:123
2847191360,3ptp4l0-21swapper/311:36:133
2847191360,3ptp4l0-21swapper/308:36:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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