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2025-05-11 - 04:53
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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 Sun May 11, 2025 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1845221510,6sleep0832899cyclictest23:00:180
2847191730,3ptp4l0-21swapper/123:11:341
2847191660,4ptp4l0-21swapper/119:35:181
2847191660,4ptp4l0-21swapper/022:10:530
5772650,3sleep2833099cyclictest22:20:252
833099633,42cyclictest8801-21cat21:30:002
2847191630,4ptp4l0-21swapper/119:25:241
2847191630,4ptp4l0-21swapper/021:53:050
2847191620,3ptp4l121rcu_preempt19:20:301
2847191610,4ptp4l0-21swapper/223:49:412
2847191600,4ptp4l0-21swapper/120:54:591
2847191600,3ptp4l0-21swapper/119:10:161
2847191590,4ptp4l0-21swapper/221:12:022
2847191590,4ptp4l0-21swapper/023:14:330
2847191590,4ptp4l0-21swapper/022:17:350
2847191580,4ptp4l0-21swapper/120:15:211
2847191580,4ptp4l0-21swapper/119:57:111
2847191570,4ptp4l0-21swapper/123:49:581
2847191570,4ptp4l0-21swapper/123:06:131
2847191570,4ptp4l0-21swapper/122:29:541
2847191570,4ptp4l0-21swapper/100:35:151
2847191570,4ptp4l0-21swapper/100:30:021
2847191570,4ptp4l0-21swapper/100:14:321
2847191570,3ptp4l11541-21latency19:15:190
2847191570,3ptp4l11541-21latency19:15:190
2847191570,3ptp4l0-21swapper/120:22:331
2847191570,3ptp4l0-21swapper/120:22:321
2847191570,3ptp4l0-21swapper/021:20:220
2847191560,4ptp4l0-21swapper/123:51:091
2847191560,4ptp4l0-21swapper/122:44:451
2847191560,4ptp4l0-21swapper/021:05:270
2847191560,3ptp4l0-21swapper/021:45:310
2847191550,4ptp4l0-21swapper/022:46:370
2847191550,3ptp4l0-21swapper/122:47:251
2847191550,3ptp4l0-21swapper/121:56:231
2847191550,3ptp4l0-21swapper/121:04:481
2847191550,3ptp4l0-21swapper/119:15:451
2847191550,3ptp4l0-21swapper/119:15:441
2847191550,3ptp4l0-21swapper/023:23:250
2847191540,4ptp4l0-21swapper/122:58:191
2847191540,4ptp4l0-21swapper/122:13:021
2847191540,4ptp4l0-21swapper/100:22:191
2847191540,4ptp4l0-21swapper/022:23:170
2847191540,3ptp4l0-21swapper/100:17:451
2847191540,3ptp4l0-21swapper/022:41:240
2847191540,3ptp4l0-21swapper/021:10:180
2847191540,3ptp4l0-21swapper/000:25:570
2847191530,4ptp4l0-21swapper/120:36:561
2847191530,3ptp4l0-21swapper/120:25:001
2847191530,10ptp4l5996-21apt-get19:05:152
221502530,4sleep0832899cyclictest20:45:280
2847191520,4ptp4l0-21swapper/020:14:560
2847191520,3ptp4l0-21swapper/120:08:401
2847191520,3ptp4l0-21swapper/100:07:411
2847191520,3ptp4l0-21swapper/100:07:411
2847191520,3ptp4l0-21swapper/100:01:291
2847191510,3ptp4l0-21swapper/020:02:160
2847191510,10ptp4l0-21swapper/121:36:031
2847191500,4ptp4l0-21swapper/122:36:561
2847191490,4ptp4l0-21swapper/122:16:161
2847191490,4ptp4l0-21swapper/019:32:520
2847191490,4ptp4l0-21swapper/019:22:250
2847191490,3ptp4l0-21swapper/022:31:420
2847191480,7ptp4l33-21ksoftirqd/220:06:002
2847191480,3ptp4l0-21swapper/200:33:212
2847191480,2ptp4l0-21swapper/120:57:311
2847191470,4ptp4l0-21swapper/020:07:170
2847191470,3ptp4l33-21ksoftirqd/220:01:102
2847191470,3ptp4l0-21swapper/122:24:071
2847191460,5ptp4l0-21swapper/219:43:492
2847191460,4ptp4l0-21swapper/123:00:531
2847191460,4ptp4l0-21swapper/120:11:031
2847191460,3ptp4l0-21swapper/120:03:341
2847191460,2ptp4l121rcu_preempt23:29:361
2847191460,11ptp4l0-21swapper/223:22:232
2847191460,11ptp4l0-21swapper/222:25:262
833199451,3cyclictest13621-21dpkg21:40:153
2847191450,9ptp4l0-21swapper/219:45:112
2847191450,9ptp4l0-21swapper/219:45:102
2847191450,4ptp4l29354-21apt-get19:55:122
2847191450,4ptp4l22830-21apt-get22:00:152
2847191450,4ptp4l0-21swapper/123:56:141
2847191450,4ptp4l0-21swapper/121:06:021
2847191450,4ptp4l0-21swapper/120:34:061
2847191450,4ptp4l0-21swapper/019:43:130
2847191450,3ptp4l41-21ksoftirqd/319:33:333
2847191450,3ptp4l0-21swapper/123:15:361
2847191450,11ptp4l0-21swapper/223:36:592
833199442,2cyclictest0-21swapper/323:45:203
2847191440,9ptp4l0-21swapper/219:51:182
2847191440,9ptp4l0-21swapper/200:02:292
2847191440,4ptp4l0-21swapper/121:50:531
2847191440,4ptp4l0-21swapper/121:12:521
2847191440,3ptp4l1778-21gnome-shell23:34:592
2847191440,3ptp4l1778-21gnome-shell23:34:592
2847191440,3ptp4l0-21swapper/100:27:201
2847191440,2ptp4l0-21swapper/123:44:371
2847191440,2ptp4l0-21swapper/122:07:541
833199433,37cyclictest11198-21dump-pmu-power22:45:013
2847191430,9ptp4l0-21swapper/223:29:082
2847191430,9ptp4l0-21swapper/219:31:232
2847191430,9ptp4l0-21swapper/219:10:322
2847191430,9ptp4l0-21swapper/023:56:430
2847191430,7ptp4l0-21swapper/119:10:001
2847191430,5ptp4l0-21swapper/220:40:142
2847191430,5ptp4l0-21swapper/019:07:340
2847191430,4ptp4l121rcu_preempt19:05:163
2847191430,4ptp4l0-21swapper/122:34:271
2847191430,4ptp4l0-21swapper/121:19:541
2847191430,4ptp4l0-21swapper/119:51:321
2847191430,4ptp4l0-21swapper/022:38:530
2847191430,3ptp4l0-21swapper/122:54:081
833199421,3cyclictest5052-21ntp_states20:10:253
833199421,3cyclictest2756-21ntp_states20:05:283
2847191420,9ptp4l0-21swapper/223:06:412
2847191420,9ptp4l0-21swapper/222:37:232
2847191420,9ptp4l0-21swapper/221:33:592
2847191420,9ptp4l0-21swapper/220:25:252
2847191420,8ptp4l0-21swapper/322:17:083
2847191420,5ptp4l0-21swapper/222:06:252
2847191420,5ptp4l0-21swapper/020:56:100
2847191420,4ptp4l31673-21apt-get20:00:153
2847191420,4ptp4l23421-21iostat20:50:180
2847191420,4ptp4l0-21swapper/123:36:471
2847191420,4ptp4l0-21swapper/020:22:080
2847191420,4ptp4l0-21swapper/020:22:080
2847191420,4ptp4l0-21swapper/000:35:220
2847191420,3ptp4l26119-21ls19:45:271
2847191420,3ptp4l26119-21ls19:45:271
2847191420,3ptp4l0-21swapper/000:22:250
833199411,2cyclictest13794-21apt-get22:50:173
2847191410,9ptp4l0-21swapper/223:52:412
2847191410,8ptp4l0-21swapper/119:30:231
2847191410,6ptp4l0-21swapper/222:57:052
2847191410,5ptp4l0-21swapper/321:15:593
2847191410,5ptp4l0-21swapper/222:44:042
2847191410,5ptp4l0-21swapper/221:07:172
2847191410,5ptp4l0-21swapper/000:10:160
2847191410,4ptp4l8676-21df_inode19:10:160
2847191410,4ptp4l27366-21df_inode19:50:160
2847191410,4ptp4l21840-21ntp_states23:05:280
2847191410,4ptp4l14199-21iostat_ios21:40:211
2847191410,4ptp4l0-21swapper/220:45:362
2847191410,4ptp4l0-21swapper/121:21:111
2847191410,4ptp4l0-21swapper/022:26:440
2847191410,4ptp4l0-21swapper/022:06:340
2847191410,4ptp4l0-21swapper/022:00:170
2847191410,3ptp4l7014-21iostat20:15:190
2847191410,3ptp4l0-21swapper/119:44:271
2847191410,3ptp4l0-21swapper/023:44:310
2847191400,5ptp4l0-21swapper/320:25:043
2847191400,5ptp4l0-21swapper/320:19:443
2847191400,5ptp4l0-21swapper/222:53:352
2847191400,5ptp4l0-21swapper/221:00:172
2847191400,5ptp4l0-21swapper/200:26:012
2847191400,4ptp4l7077-21perl21:25:200
2847191400,4ptp4l20761-21df_abs20:45:141
2847191400,4ptp4l17145-21/usr/sbin/munin21:45:291
2847191400,4ptp4l13677-21/usr/sbin/munin20:30:120
2847191400,4ptp4l0-21swapper/323:10:343
2847191400,4ptp4l0-21swapper/322:35:073
2847191400,4ptp4l0-21swapper/321:38:223
2847191400,4ptp4l0-21swapper/320:39:213
2847191400,4ptp4l0-21swapper/223:43:222
2847191400,4ptp4l0-21swapper/222:31:232
2847191400,4ptp4l0-21swapper/222:11:172
2847191400,4ptp4l0-21swapper/221:52:332
2847191400,4ptp4l0-21swapper/221:36:332
2847191400,4ptp4l0-21swapper/220:57:092
2847191400,4ptp4l0-21swapper/220:53:492
2847191400,4ptp4l0-21swapper/220:37:202
2847191400,4ptp4l0-21swapper/220:30:522
2847191400,4ptp4l0-21swapper/220:24:142
2847191400,4ptp4l0-21swapper/220:24:142
2847191400,4ptp4l0-21swapper/219:38:252
2847191400,4ptp4l0-21swapper/200:08:022
2847191400,4ptp4l0-21swapper/200:08:022
2847191400,4ptp4l0-21swapper/023:35:230
2847191400,4ptp4l0-21swapper/023:30:340
2847191400,4ptp4l0-21swapper/023:30:340
2847191400,4ptp4l0-21swapper/023:25:160
2847191400,4ptp4l0-21swapper/023:15:180
2847191400,4ptp4l0-21swapper/022:56:350
2847191400,4ptp4l0-21swapper/021:40:230
2847191400,4ptp4l0-21swapper/021:32:030
2847191400,4ptp4l0-21swapper/020:40:190
2847191400,4ptp4l0-21swapper/020:39:100
2847191400,4ptp4l0-21swapper/019:35:150
2847191400,4ptp4l0-21swapper/019:25:180
2847191400,3ptp4l28587-21meminfo23:20:221
2847191400,3ptp4l231rcuc/122:00:301
2847191400,3ptp4l20509-21apt-get21:55:150
2847191400,3ptp4l18824-21iostat20:40:191
2847191400,3ptp4l14755-21memory22:50:250
2847191400,3ptp4l14343-21iostat00:00:190
2847191400,3ptp4l0-21swapper/121:29:271
2847191390,5ptp4l0-21swapper/321:07:053
2847191390,5ptp4l0-21swapper/321:03:473
2847191390,5ptp4l0-21swapper/219:17:242
2847191390,5ptp4l0-21swapper/219:17:242
2847191390,4ptp4l11185-21apt-config20:25:010
2847191390,4ptp4l10319-21ps23:50:250
2847191390,4ptp4l0-21swapper/322:49:573
2847191390,4ptp4l0-21swapper/322:21:103
2847191390,4ptp4l0-21swapper/322:10:023
2847191390,4ptp4l0-21swapper/300:14:153
2847191390,4ptp4l0-21swapper/300:05:293
2847191390,4ptp4l0-21swapper/300:05:293
2847191390,4ptp4l0-21swapper/223:56:322
2847191390,4ptp4l0-21swapper/223:17:092
2847191390,4ptp4l0-21swapper/223:04:002
2847191390,4ptp4l0-21swapper/222:46:072
2847191390,4ptp4l0-21swapper/222:17:492
2847191390,4ptp4l0-21swapper/221:58:242
2847191390,4ptp4l0-21swapper/221:40:502
2847191390,4ptp4l0-21swapper/221:20:262
2847191390,4ptp4l0-21swapper/221:15:302
2847191390,4ptp4l0-21swapper/219:29:192
2847191390,4ptp4l0-21swapper/219:22:502
2847191390,4ptp4l0-21swapper/200:20:492
2847191390,4ptp4l0-21swapper/200:10:122
2847191390,4ptp4l0-21swapper/123:30:061
2847191390,4ptp4l0-21swapper/123:30:051
2847191390,4ptp4l0-21swapper/121:30:201
2847191390,4ptp4l0-21swapper/021:17:520
2847191390,4ptp4l0-21swapper/021:00:520
2847191390,4ptp4l0-21swapper/019:55:240
2847191390,4ptp4l0-21swapper/019:47:070
2847191390,4ptp4l0-21swapper/019:47:060
2847191390,4ptp4l0-21swapper/000:05:160
2847191390,4ptp4l0-21swapper/000:05:160
2847191390,3ptp4l28870-21irqstats00:30:210
2847191390,3ptp4l12409-21ntp_kernel_pll_21:35:270
2847191390,3ptp4l0-21swapper/323:30:023
2847191390,3ptp4l0-21swapper/323:30:023
2847191390,3ptp4l0-21swapper/023:46:330
833199380,3cyclictest28759-21ntp_states23:20:253
2847191380,5ptp4l0-21swapper/300:37:533
2847191380,4ptp4l0-21swapper/321:31:433
2847191380,4ptp4l0-21swapper/321:27:573
2847191380,4ptp4l0-21swapper/321:20:273
2847191380,4ptp4l0-21swapper/319:43:253
2847191380,4ptp4l0-21swapper/319:25:163
2847191380,4ptp4l0-21swapper/319:23:443
2847191380,4ptp4l0-21swapper/319:19:223
2847191380,4ptp4l0-21swapper/319:19:223
2847191380,4ptp4l0-21swapper/300:33:383
2847191380,4ptp4l0-21swapper/223:11:272
2847191380,4ptp4l0-21swapper/221:46:382
2847191380,4ptp4l0-21swapper/220:17:102
2847191380,4ptp4l0-21swapper/220:10:382
2847191380,4ptp4l0-21swapper/200:35:402
2847191380,4ptp4l0-21swapper/200:17:132
2847191380,4ptp4l0-21swapper/000:17:440
2847191380,3ptp4l30445-21ntpq19:55:223
2847191380,3ptp4l0-21swapper/300:26:033
2847191370,4ptp4l0-21swapper/323:44:193
2847191370,4ptp4l0-21swapper/322:56:393
2847191370,4ptp4l0-21swapper/322:07:363
2847191370,4ptp4l0-21swapper/321:46:273
2847191370,4ptp4l0-21swapper/319:36:013
2847191370,4ptp4l0-21swapper/300:22:463
2847191370,4ptp4l0-21swapper/300:03:053
2847191370,3ptp4l0-21swapper/320:55:503
2847191370,3ptp4l0-21swapper/319:50:443
2847191360,4ptp4l0-21swapper/323:09:503
2847191360,4ptp4l0-21swapper/320:52:373
2847191360,4ptp4l0-21swapper/320:42:573
2847191360,3ptp4l0-21swapper/322:33:193
2847191350,5ptp4l0-21swapper/323:37:453
2847191350,4ptp4l0-21swapper/319:47:533
2847191350,4ptp4l0-21swapper/319:47:533
2847191340,4ptp4l0-21swapper/321:57:123
2847191340,3ptp4l0-21swapper/323:54:383
8331993328,3cyclictest41-21ksoftirqd/321:50:143
8331993328,3cyclictest41-21ksoftirqd/319:10:133
8331993327,4cyclictest41-21ksoftirqd/321:13:073
833199330,3cyclictest23955-21ntp_states22:00:253
2847191330,3ptp4l0-21swapper/320:47:013
2847191330,3ptp4l0-21swapper/300:18:383
2847191310,4ptp4l0-21swapper/323:55:063
2847191310,4ptp4l0-21swapper/323:25:483
2847191310,3ptp4l0-21swapper/323:17:113
833199307,19cyclictest0-21swapper/323:00:343
8331993013,14cyclictest8757-21/usr/sbin/munin20:20:183
8331993013,14cyclictest8757-21/usr/sbin/munin20:20:183
833199292,22cyclictest1993-21apt-get22:25:173
833199290,3cyclictest14756-21ntp_states20:30:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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