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2025-11-29 - 04:48
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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 Sat Nov 29, 2025 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1516621450,4sleep0715199cyclictest21:45:130
2847191660,3ptp4l8978-21ls20:20:221
2847191640,4ptp4l3158-21awk22:25:260
2847191640,4ptp4l24187-21sed20:55:000
2847191620,4ptp4l0-21swapper/223:20:312
2847191610,5ptp4l0-21swapper/219:07:092
2847191600,4ptp4l0-21swapper/019:50:280
2847191580,3ptp4l0-21swapper/322:37:133
2847191570,3ptp4l0-21swapper/220:54:082
2847191570,3ptp4l0-21swapper/123:05:281
2847191570,3ptp4l0-21swapper/000:15:250
2847191560,4ptp4l0-21swapper/319:08:533
2847191560,4ptp4l0-21swapper/119:43:361
2847191560,3ptp4l0-21swapper/023:55:150
2847191560,3ptp4l0-21swapper/000:35:160
2847191550,4ptp4l0-21swapper/122:00:161
2847191550,4ptp4l0-21swapper/122:00:151
2847191550,3ptp4l0-21swapper/121:10:171
2847191550,3ptp4l0-21swapper/100:26:271
2847191550,2ptp4l0-21swapper/100:07:261
2847191530,4ptp4l0-21swapper/323:19:353
2847191530,4ptp4l0-21swapper/123:14:101
2847191530,4ptp4l0-21swapper/122:45:471
2847191530,4ptp4l0-21swapper/021:42:140
2847191530,3ptp4l0-21swapper/120:55:271
2847191530,3ptp4l0-21swapper/119:10:131
2847191530,3ptp4l0-21swapper/021:55:140
2847191530,19ptp4l0-21swapper/120:50:061
31132520,4sleep20-21swapper/222:25:262
2847191520,4ptp4l0-21swapper/123:24:271
2847191520,4ptp4l0-21swapper/121:04:491
2847191520,4ptp4l0-21swapper/119:57:161
2847191520,4ptp4l0-21swapper/022:55:580
2847191520,3ptp4l0-21swapper/022:30:260
7152995127,6cyclictest25-21ksoftirqd/122:30:181
2847191510,4ptp4l0-21swapper/123:02:231
2847191510,4ptp4l0-21swapper/122:59:511
2847191510,4ptp4l0-21swapper/020:22:590
2847191510,4ptp4l0-21swapper/020:12:260
2847191510,3ptp4l0-21swapper/322:05:093
2847191510,3ptp4l0-21swapper/119:26:121
2847191510,3ptp4l0-21swapper/019:30:160
2847191500,4ptp4l0-21swapper/123:52:261
2847191500,4ptp4l0-21swapper/119:31:331
2847191500,4ptp4l0-21swapper/100:22:311
2847191500,4ptp4l0-21swapper/023:51:540
2847191500,4ptp4l0-21swapper/020:43:570
2847191500,4ptp4l0-21swapper/020:08:340
2847191490,4ptp4l1293-21snmpd22:21:413
2847191490,4ptp4l0-21swapper/222:40:372
2847191490,4ptp4l0-21swapper/122:07:441
2847191490,4ptp4l0-21swapper/019:29:040
2847191490,2ptp4l7150-21cyclictest23:41:391
2847191480,4ptp4l0-21swapper/022:20:220
2847191480,3ptp4l0-21swapper/021:39:130
2847191480,3ptp4l0-21swapper/019:49:560
2847191480,3ptp4l0-21swapper/000:30:180
2847191480,3ptp4l0-21swapper/000:23:320
2847191480,17ptp4l0-21swapper/319:32:593
2847191470,4ptp4l0-21swapper/119:35:341
2847191470,4ptp4l0-21swapper/100:19:361
2847191470,4ptp4l0-21swapper/000:27:370
2847191470,3ptp4l0-21swapper/022:43:140
2847191460,4ptp4l26551-21apt-get21:00:122
2847191460,4ptp4l0-21swapper/119:45:051
2847191460,4ptp4l0-21swapper/023:10:120
2847191460,3ptp4l0-21swapper/120:10:281
2847191460,3ptp4l0-21swapper/021:54:060
2847191450,3ptp4l12805-21apt-get21:40:122
2847191450,3ptp4l0-21swapper/019:42:310
7152994416,6cyclictest25-21ksoftirqd/121:30:001
2847191440,9ptp4l0-21swapper/221:16:252
2847191440,9ptp4l0-21swapper/220:28:122
2847191440,4ptp4l20727-21ntp_states20:45:250
2847191440,4ptp4l0-21swapper/021:07:350
2847191440,3ptp4l9759-21apt-get19:15:122
2847191440,12ptp4l6955-21kworker/1:023:30:231
2847191430,9ptp4l0-21swapper/223:25:112
2847191430,5ptp4l0-21swapper/322:40:223
2847191430,4ptp4l9190-21ls21:30:221
2847191430,4ptp4l18011-21apt-get23:00:150
2847191430,4ptp4l0-21swapper/223:35:152
2847191430,4ptp4l0-21swapper/223:35:142
2847191430,4ptp4l0-21swapper/223:16:182
2847191430,3ptp4l28285-21apt-get19:55:120
7152994213,8cyclictest25-21ksoftirqd/123:25:251
2847191420,9ptp4l0-21swapper/223:49:172
2847191420,9ptp4l0-21swapper/200:27:272
2847191420,5ptp4l715499cyclictest20:45:233
2847191420,5ptp4l10339-21iostat19:15:171
2847191420,5ptp4l0-21swapper/321:50:133
2847191420,5ptp4l0-21swapper/122:25:121
2847191420,5ptp4l0-21swapper/120:05:141
2847191420,4ptp4l8741-21df22:40:141
2847191420,4ptp4l7784-21memory23:45:211
2847191420,4ptp4l6715-21iostat22:35:191
2847191420,4ptp4l3475-21apt-get21:20:120
2847191420,4ptp4l29961-21meminfo22:15:191
2847191420,4ptp4l28675-21python23:20:280
2847191420,4ptp4l14731-21memory00:00:210
2847191420,4ptp4l12652-21apt-get20:30:161
2847191420,4ptp4l0-21swapper/123:56:211
2847191420,4ptp4l0-21swapper/121:56:291
2847191420,4ptp4l0-21swapper/022:38:220
2847191420,3ptp4l5788-21apt-get21:25:120
2847191420,3ptp4l27578-21ls21:00:210
7153994137,3cyclictest0-21swapper/221:50:122
7153994137,3cyclictest0-21swapper/219:59:592
7153994136,3cyclictest33-21ksoftirqd/219:40:002
715399411,3cyclictest121rcu_preempt23:00:012
2847191410,5ptp4l31228-21cut22:19:593
2847191410,5ptp4l31097-21timerandwakeup23:25:290
2847191410,5ptp4l0-21swapper/223:10:142
2847191410,5ptp4l0-21swapper/220:55:142
2847191410,5ptp4l0-21swapper/220:40:202
2847191410,5ptp4l0-21swapper/019:20:160
2847191410,4ptp4l5158-21users21:20:291
2847191410,4ptp4l25558-21iostat23:15:180
2847191410,4ptp4l24814-21hddtemp_smartct22:05:150
2847191410,4ptp4l19939-21df21:55:122
2847191410,4ptp4l14276-21ntp_states22:50:231
2847191410,4ptp4l1070-21apt-get21:15:130
2847191410,4ptp4l0-21swapper/323:21:213
2847191410,4ptp4l0-21swapper/322:00:233
2847191410,4ptp4l0-21swapper/322:00:223
2847191410,4ptp4l0-21swapper/223:51:162
2847191410,4ptp4l0-21swapper/222:05:572
2847191410,4ptp4l0-21swapper/220:20:042
2847191410,4ptp4l0-21swapper/121:51:321
2847191410,4ptp4l0-21swapper/120:40:531
2847191410,4ptp4l0-21swapper/120:28:151
2847191410,3ptp4l8602-21hddtemp_smartct21:30:160
2847191410,3ptp4l31696-21apt-get23:30:020
2847191410,3ptp4l27001-21df_inode22:10:151
2847191410,3ptp4l22779-21ls19:40:242
2847191410,3ptp4l20629-21df_inode23:05:160
2847191410,3ptp4l0-21swapper/123:15:271
2847191410,2ptp4l32134-21iostat_ios22:20:181
7153994034,3cyclictest33-21ksoftirqd/200:34:592
7152994034,3cyclictest25-21ksoftirqd/121:15:261
7152994034,3cyclictest25-21ksoftirqd/100:40:001
7152994034,3cyclictest25-21ksoftirqd/100:15:001
2847191400,5ptp4l0-21swapper/300:23:303
2847191400,5ptp4l0-21swapper/022:50:150
2847191400,4ptp4l24752-21/usr/sbin/munin20:55:180
2847191400,4ptp4l16626-21unixbench_singl20:35:313
2847191400,4ptp4l16374-21df_abs00:05:140
2847191400,4ptp4l0-21swapper/323:48:503
2847191400,4ptp4l0-21swapper/320:57:323
2847191400,4ptp4l0-21swapper/320:50:333
2847191400,4ptp4l0-21swapper/223:56:252
2847191400,4ptp4l0-21swapper/223:30:422
2847191400,4ptp4l0-21swapper/222:53:152
2847191400,4ptp4l0-21swapper/222:00:592
2847191400,4ptp4l0-21swapper/222:00:592
2847191400,4ptp4l0-21swapper/221:38:572
2847191400,4ptp4l0-21swapper/221:30:032
2847191400,4ptp4l0-21swapper/221:08:482
2847191400,4ptp4l0-21swapper/220:45:022
2847191400,4ptp4l0-21swapper/220:37:262
2847191400,4ptp4l0-21swapper/220:16:582
2847191400,4ptp4l0-21swapper/220:11:552
2847191400,4ptp4l0-21swapper/220:01:142
2847191400,4ptp4l0-21swapper/200:35:182
2847191400,4ptp4l0-21swapper/200:22:592
2847191400,4ptp4l0-21swapper/200:01:512
2847191400,4ptp4l0-21swapper/121:05:241
2847191400,4ptp4l0-21swapper/120:15:131
2847191400,4ptp4l0-21swapper/119:21:101
2847191400,4ptp4l0-21swapper/022:12:290
2847191400,4ptp4l0-21swapper/020:30:170
2847191400,4ptp4l0-21swapper/020:25:170
2847191400,4ptp4l0-21swapper/020:01:550
2847191400,3ptp4l5030-21iostat_ios23:40:200
2847191400,3ptp4l32140-21memory21:10:200
2847191400,3ptp4l16465-21python21:45:261
2847191400,3ptp4l15170-21df20:35:160
2847191400,3ptp4l13236-21perl21:40:171
2847191400,3ptp4l0-21swapper/119:52:231
715299391,6cyclictest121rcu_preempt20:02:431
2847191390,5ptp4l0-21swapper/323:25:113
2847191390,5ptp4l0-21swapper/319:47:033
2847191390,5ptp4l0-21swapper/219:22:542
2847191390,5ptp4l0-21swapper/019:17:070
2847191390,4ptp4l13443-21irqrtprio20:30:223
2847191390,4ptp4l13071-21cut22:50:020
2847191390,4ptp4l0-21swapper/323:57:483
2847191390,4ptp4l0-21swapper/323:40:153
2847191390,4ptp4l0-21swapper/323:36:533
2847191390,4ptp4l0-21swapper/323:36:533
2847191390,4ptp4l0-21swapper/323:10:463
2847191390,4ptp4l0-21swapper/321:55:123
2847191390,4ptp4l0-21swapper/321:49:173
2847191390,4ptp4l0-21swapper/321:45:013
2847191390,4ptp4l0-21swapper/321:27:473
2847191390,4ptp4l0-21swapper/320:40:353
2847191390,4ptp4l0-21swapper/320:26:173
2847191390,4ptp4l0-21swapper/319:35:153
2847191390,4ptp4l0-21swapper/319:26:003
2847191390,4ptp4l0-21swapper/300:27:113
2847191390,4ptp4l0-21swapper/223:40:342
2847191390,4ptp4l0-21swapper/223:06:302
2847191390,4ptp4l0-21swapper/222:46:342
2847191390,4ptp4l0-21swapper/222:23:012
2847191390,4ptp4l0-21swapper/222:17:362
2847191390,4ptp4l0-21swapper/221:46:492
2847191390,4ptp4l0-21swapper/221:25:082
2847191390,4ptp4l0-21swapper/221:22:442
2847191390,4ptp4l0-21swapper/221:13:022
2847191390,4ptp4l0-21swapper/220:31:022
2847191390,4ptp4l0-21swapper/219:52:432
2847191390,4ptp4l0-21swapper/219:46:002
2847191390,4ptp4l0-21swapper/219:31:082
2847191390,4ptp4l0-21swapper/219:25:542
2847191390,4ptp4l0-21swapper/200:16:532
2847191390,4ptp4l0-21swapper/200:10:422
2847191390,4ptp4l0-21swapper/123:36:001
2847191390,4ptp4l0-21swapper/123:36:001
2847191390,4ptp4l0-21swapper/121:35:081
2847191390,4ptp4l0-21swapper/120:46:381
2847191390,4ptp4l0-21swapper/120:35:171
2847191390,4ptp4l0-21swapper/100:30:211
2847191390,4ptp4l0-21swapper/100:04:391
2847191390,4ptp4l0-21swapper/023:45:020
2847191390,4ptp4l0-21swapper/023:40:010
2847191390,4ptp4l0-21swapper/023:40:000
2847191390,4ptp4l0-21swapper/022:04:310
2847191390,4ptp4l0-21swapper/022:04:310
2847191390,4ptp4l0-21swapper/000:10:010
2847191390,3ptp4l0-21swapper/323:30:253
2847191390,3ptp4l0-21swapper/022:17:180
2847191390,3ptp4l0-21swapper/020:19:060
2847191380,5ptp4l0-21swapper/321:00:273
2847191380,4ptp4l0-21swapper/323:50:373
2847191380,4ptp4l0-21swapper/322:46:343
2847191380,4ptp4l0-21swapper/322:32:593
2847191380,4ptp4l0-21swapper/322:10:143
2847191380,4ptp4l0-21swapper/319:22:013
2847191380,4ptp4l0-21swapper/300:09:163
2847191380,4ptp4l0-21swapper/300:02:233
2847191380,4ptp4l0-21swapper/223:02:352
2847191380,4ptp4l0-21swapper/222:37:202
2847191380,4ptp4l0-21swapper/222:30:562
2847191380,4ptp4l0-21swapper/222:10:212
2847191380,4ptp4l0-21swapper/220:07:142
2847191380,4ptp4l0-21swapper/219:11:052
2847191380,4ptp4l0-21swapper/200:08:442
2847191380,4ptp4l0-21swapper/019:35:250
2847191380,4ptp4l0-21swapper/019:14:520
2847191380,3ptp4l0-21swapper/320:11:573
2847191380,3ptp4l0-21swapper/319:53:273
2847191380,3ptp4l0-21swapper/300:18:543
7154993733,2cyclictest41-21ksoftirqd/300:40:003
7154993722,3cyclictest41-21ksoftirqd/321:20:013
2847191370,4ptp4l0-21swapper/322:56:303
2847191370,4ptp4l0-21swapper/319:57:353
2847191370,4ptp4l0-21swapper/319:42:003
2847191370,4ptp4l0-21swapper/319:10:153
2847191370,3ptp4l0-21swapper/323:02:463
2847191370,3ptp4l0-21swapper/320:01:233
2847191370,3ptp4l0-21swapper/319:17:203
2847191370,14ptp4l0-21swapper/321:35:013
2847191360,3ptp4l0-21swapper/322:53:153
2847191360,3ptp4l0-21swapper/321:20:023
2847191360,3ptp4l0-21swapper/300:11:573
7154993428,3cyclictest41-21ksoftirqd/320:10:013
2847191330,4ptp4l0-21swapper/300:34:433
7154993227,3cyclictest41-21ksoftirqd/322:30:003
7154993226,3cyclictest41-21ksoftirqd/320:20:223
2847191320,3ptp4l0-21swapper/321:30:053
2847191320,3ptp4l0-21swapper/320:18:533
7154993026,2cyclictest41-21ksoftirqd/321:13:563
7154993015,3cyclictest41-21ksoftirqd/321:05:183
7154992824,2cyclictest41-21ksoftirqd/323:05:133
2849691255,11phc2sys0-21swapper/119:05:131
48592192,11sleep05037-21sed19:05:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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