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2025-10-25 - 23:52
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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 Oct 25, 2025 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191760,3ptp4l0-21swapper/211:15:302
2847191700,30ptp4l0-21swapper/007:05:270
2847191690,5ptp4l0-21swapper/111:30:211
2847191660,4ptp4l1938-21taskset09:45:421
2847191630,5ptp4l0-21swapper/109:21:471
2847191600,5ptp4l0-21swapper/208:30:422
2847191590,4ptp4l0-21swapper/212:10:242
2847191590,4ptp4l0-21swapper/207:27:462
2847191580,4ptp4l0-21swapper/209:45:312
2847191580,4ptp4l0-21swapper/207:40:182
2847191580,4ptp4l0-21swapper/207:15:152
2847191580,3ptp4l0-21swapper/208:00:022
2847191570,4ptp4l0-21swapper/208:45:272
2847191570,4ptp4l0-21swapper/208:00:002
2847191570,4ptp4l0-21swapper/011:40:260
2847191570,3ptp4l0-21swapper/012:00:230
2847191570,3ptp4l0-21swapper/009:45:250
2847191570,11ptp4l0-21swapper/008:32:250
2847191560,4ptp4l0-21swapper/308:35:273
2847191560,4ptp4l0-21swapper/108:44:421
2847191550,4ptp4l0-21swapper/108:25:161
2847191550,4ptp4l0-21swapper/012:37:370
2847191550,4ptp4l0-21swapper/012:12:340
2847191540,4ptp4l0-21swapper/207:54:382
2847191540,3ptp4l0-21swapper/007:58:440
2461899547,18cyclictest30335-21sed07:20:203
2461899545,12cyclictest4905-21cut08:45:193
2847191530,5ptp4l10168-21apt-get12:25:001
2847191530,5ptp4l10168-21apt-get12:25:001
2847191530,4ptp4l0-21swapper/212:29:372
2847191530,4ptp4l0-21swapper/212:29:372
2847191530,4ptp4l0-21swapper/210:40:272
2847191530,4ptp4l0-21swapper/107:48:031
2847191530,4ptp4l0-21swapper/011:07:300
2847191530,4ptp4l0-21swapper/009:41:420
2847191520,4ptp4l0-21swapper/008:36:570
2847191520,4ptp4l0-21swapper/008:01:500
2847191520,3ptp4l0-21swapper/112:14:591
2847191510,4ptp4l0-21swapper/210:55:322
2847191510,4ptp4l0-21swapper/207:20:282
2847191510,4ptp4l0-21swapper/012:17:290
2847191510,4ptp4l0-21swapper/007:44:110
2847191510,3ptp4l0-21swapper/210:45:272
2847191510,3ptp4l0-21swapper/109:00:531
2847191510,14ptp4l0-21swapper/009:30:040
2461899515,9cyclictest1293-21snmpd09:28:093
2847191500,4ptp4l0-21swapper/008:52:140
2847191500,4ptp4l0-21swapper/008:52:140
2847191500,4ptp4l0-21swapper/007:31:230
2847191500,3ptp4l0-21swapper/312:20:283
2847191500,13ptp4l0-21swapper/207:15:002
2847191500,11ptp4l23431-21awk07:05:241
2461899502,11cyclictest16184-21hwlatdetect08:00:173
2847191490,4ptp4l0-21swapper/011:38:210
2847191490,4ptp4l0-21swapper/009:24:330
2847191490,3ptp4l0-21swapper/007:25:200
2461899492,45cyclictest0-21swapper/307:41:483
2847191480,8ptp4l0-21swapper/208:10:232
2847191480,4ptp4l0-21swapper/012:07:280
2847191480,3ptp4l0-21swapper/208:15:282
2847191480,3ptp4l0-21swapper/109:10:281
2847191480,3ptp4l0-21swapper/007:51:590
2847191470,3ptp4l2461599cyclictest08:46:160
2847191470,3ptp4l0-21swapper/211:10:182
2847191470,3ptp4l0-21swapper/110:36:521
2847191470,3ptp4l0-21swapper/107:24:541
2847191470,3ptp4l0-21swapper/009:14:430
2461899475,6cyclictest0-21swapper/310:56:333
2847191460,3ptp4l0-21swapper/112:05:051
2461899466,10cyclictest0-21swapper/308:20:593
2461899465,16cyclictest18972-21irqrtprio09:15:213
2461899465,15cyclictest11940-21irqrtprio09:00:213
2461899464,6cyclictest0-21swapper/311:26:493
2461599466,3cyclictest131rcu_sched09:00:000
2847191450,9ptp4l0-21swapper/010:20:010
2847191450,9ptp4l0-21swapper/008:27:540
2847191450,4ptp4l0-21swapper/108:02:241
2847191450,3ptp4l0-21swapper/210:01:232
2461899456,10cyclictest0-21swapper/312:37:033
2461899455,10cyclictest0-21swapper/312:05:133
2847191440,4ptp4l7309-21apt-get11:10:150
2847191440,4ptp4l20266-21ls10:25:300
2847191440,4ptp4l16783-21apt-get11:30:142
2847191440,4ptp4l0-21swapper/311:21:313
2847191440,4ptp4l0-21swapper/210:52:562
2847191440,4ptp4l0-21swapper/012:30:070
2847191440,3ptp4l0-21swapper/209:52:232
2847191440,2ptp4l0-21swapper/309:52:243
2847191440,10ptp4l0-21swapper/007:36:390
2461899446,6cyclictest2849691phc2sys11:05:393
2847191430,4ptp4l7177-21apt-get10:00:143
2847191430,4ptp4l12166-21apt-get11:20:152
2847191430,4ptp4l0-21swapper/011:55:040
2847191430,4ptp4l0-21swapper/009:05:540
2847191430,4ptp4l0-21swapper/007:17:010
2847191430,3ptp4l2461599cyclictest09:29:570
2847191430,10ptp4l0-21swapper/211:07:022
2847191430,10ptp4l0-21swapper/209:31:352
2461899435,8cyclictest31881-21apt-get07:25:153
2461899434,9cyclictest0-21swapper/312:30:173
24618994312,6cyclictest2847191ptp4l07:35:093
2847191420,7ptp4l0-21swapper/307:05:263
2847191420,5ptp4l2566-21iostat_ios08:40:190
2847191420,5ptp4l0-21swapper/312:00:173
2847191420,4ptp4l0-21swapper/209:55:092
2847191420,4ptp4l0-21swapper/209:29:312
2847191420,4ptp4l0-21swapper/208:05:142
2847191420,4ptp4l0-21swapper/208:05:142
2847191420,4ptp4l0-21swapper/107:50:401
2847191420,4ptp4l0-21swapper/010:10:240
2847191420,3ptp4l7673-21apt-get12:20:130
2847191420,3ptp4l20794-21hddtemp_smartct08:10:170
2461899425,6cyclictest2847191ptp4l09:14:323
2461899425,14cyclictest19080-21/usr/sbin/munin11:35:343
2847191410,6ptp4l9-21ksoftirqd/008:19:180
2847191410,5ptp4l7125-21if_enp4s008:50:183
2847191410,5ptp4l7125-21if_enp4s008:50:183
2847191410,5ptp4l0-21swapper/207:45:252
2847191410,4ptp4l23737-21apt-get11:45:141
2847191410,4ptp4l21637-21iostat_ios10:30:200
2847191410,4ptp4l14540-21hddtemp_smartct10:15:170
2847191410,4ptp4l11681-21apt-get11:20:031
2847191410,4ptp4l0-21swapper/307:30:163
2847191410,4ptp4l0-21swapper/207:37:342
2847191410,4ptp4l0-21swapper/110:08:331
2847191410,4ptp4l0-21swapper/108:45:121
2847191410,4ptp4l0-21swapper/107:30:211
2847191410,4ptp4l0-21swapper/107:26:101
2847191410,4ptp4l0-21swapper/009:50:230
2847191410,4ptp4l0-21swapper/008:07:480
2847191410,4ptp4l0-21swapper/008:07:480
2847191410,3ptp4l25012-21apt-get08:20:132
2461899418,10cyclictest2849691phc2sys12:15:173
2461899415,8cyclictest10523-21ls10:05:243
2461899414,9cyclictest0-21swapper/310:34:423
24617994136,3cyclictest33-21ksoftirqd/211:40:012
24616994136,3cyclictest25-21ksoftirqd/109:00:001
24616994136,3cyclictest25-21ksoftirqd/107:39:591
2847191400,5ptp4l1293-21snmpd10:28:212
2847191400,5ptp4l0-21swapper/310:50:253
2847191400,5ptp4l0-21swapper/310:40:133
2847191400,5ptp4l0-21swapper/310:35:143
2847191400,5ptp4l0-21swapper/210:05:102
2847191400,5ptp4l0-21swapper/209:07:412
2847191400,5ptp4l0-21swapper/008:22:540
2847191400,4ptp4l9973-21phc2sys07:45:260
2847191400,4ptp4l25096-21apt-get09:30:023
2847191400,4ptp4l19301-21df11:35:171
2847191400,4ptp4l13392-21/usr/sbin/munin07:55:183
2847191400,4ptp4l0-21swapper/311:45:253
2847191400,4ptp4l0-21swapper/308:42:383
2847191400,4ptp4l0-21swapper/308:15:403
2847191400,4ptp4l0-21swapper/308:10:243
2847191400,4ptp4l0-21swapper/308:05:143
2847191400,4ptp4l0-21swapper/308:05:143
2847191400,4ptp4l0-21swapper/307:15:173
2847191400,4ptp4l0-21swapper/212:15:332
2847191400,4ptp4l0-21swapper/211:26:142
2847191400,4ptp4l0-21swapper/210:20:462
2847191400,4ptp4l0-21swapper/210:15:212
2847191400,4ptp4l0-21swapper/112:17:471
2847191400,4ptp4l0-21swapper/109:16:531
2847191400,4ptp4l0-21swapper/108:33:041
2847191400,4ptp4l0-21swapper/108:21:461
2847191400,4ptp4l0-21swapper/108:08:141
2847191400,4ptp4l0-21swapper/108:08:141
2847191400,4ptp4l0-21swapper/107:15:161
2847191400,4ptp4l0-21swapper/011:51:440
2847191400,4ptp4l0-21swapper/011:20:020
2847191400,4ptp4l0-21swapper/011:19:090
2847191400,4ptp4l0-21swapper/011:01:180
2847191400,4ptp4l0-21swapper/010:55:180
2847191400,4ptp4l0-21swapper/010:54:510
2847191400,4ptp4l0-21swapper/010:05:480
2847191400,4ptp4l0-21swapper/009:55:530
2847191400,4ptp4l0-21swapper/009:16:290
2847191400,4ptp4l0-21swapper/007:20:520
2847191400,4ptp4l0-21swapper/007:10:190
2847191400,3ptp4l6921-21diskstats08:50:172
2847191400,3ptp4l6921-21diskstats08:50:162
2847191400,3ptp4l4613-21ls12:10:333
2847191400,3ptp4l30129-21hddtemp_smartct08:30:203
2847191400,3ptp4l1293-21snmpd10:18:193
2847191400,3ptp4l11831-21iostat_ios09:00:210
2847191390,5ptp4l3164-21cut07:30:262
2847191390,5ptp4l0-21swapper/311:51:153
2847191390,5ptp4l0-21swapper/309:35:083
2847191390,4ptp4l4273-21/usr/sbin/munin11:00:311
2847191390,4ptp4l41-21ksoftirqd/310:45:293
2847191390,4ptp4l0-21swapper/312:28:443
2847191390,4ptp4l0-21swapper/312:28:443
2847191390,4ptp4l0-21swapper/311:40:173
2847191390,4ptp4l0-21swapper/310:20:203
2847191390,4ptp4l0-21swapper/309:55:153
2847191390,4ptp4l0-21swapper/309:47:183
2847191390,4ptp4l0-21swapper/309:40:273
2847191390,4ptp4l0-21swapper/308:25:233
2847191390,4ptp4l0-21swapper/307:45:323
2847191390,4ptp4l0-21swapper/211:55:352
2847191390,4ptp4l0-21swapper/211:04:082
2847191390,4ptp4l0-21swapper/210:36:272
2847191390,4ptp4l0-21swapper/210:30:102
2847191390,4ptp4l0-21swapper/209:35:302
2847191390,4ptp4l0-21swapper/208:36:332
2847191390,4ptp4l0-21swapper/112:35:521
2847191390,4ptp4l0-21swapper/111:54:211
2847191390,4ptp4l0-21swapper/111:14:291
2847191390,4ptp4l0-21swapper/111:08:491
2847191390,4ptp4l0-21swapper/110:50:101
2847191390,4ptp4l0-21swapper/108:39:471
2847191390,4ptp4l0-21swapper/108:16:031
2847191390,4ptp4l0-21swapper/108:12:231
2847191390,4ptp4l0-21swapper/107:55:061
2847191390,4ptp4l0-21swapper/107:40:541
2847191390,4ptp4l0-21swapper/107:11:351
2847191390,4ptp4l0-21swapper/011:45:350
2847191390,4ptp4l0-21swapper/010:43:020
2847191390,4ptp4l0-21swapper/010:00:180
2847191390,4ptp4l0-21swapper/009:35:430
2847191390,3ptp4l9996-21fschecks_count11:15:173
2847191390,3ptp4l28459-21ntp_states08:25:272
2847191390,3ptp4l28233-21df10:45:170
2847191390,3ptp4l14520-21memory09:05:233
2847191390,3ptp4l11149-21ls12:25:240
2847191390,3ptp4l11149-21ls12:25:240
2847191390,3ptp4l0-21swapper/310:25:203
2847191390,3ptp4l0-21swapper/310:10:293
2847191390,3ptp4l0-21swapper/112:00:211
2847191390,3ptp4l0-21swapper/011:30:040
2847191390,2ptp4l15669-21irqstats12:35:212
2847191380,5ptp4l0-21swapper/311:55:153
2847191380,5ptp4l0-21swapper/212:20:252
2847191380,4ptp4l32397-21sort09:45:002
2847191380,4ptp4l21103-21cut09:20:193
2847191380,4ptp4l11694-21ps07:50:193
2847191380,4ptp4l0-21swapper/311:30:223
2847191380,4ptp4l0-21swapper/311:10:173
2847191380,4ptp4l0-21swapper/311:00:233
2847191380,4ptp4l0-21swapper/308:55:103
2847191380,4ptp4l0-21swapper/307:10:223
2847191380,4ptp4l0-21swapper/212:30:252
2847191380,4ptp4l0-21swapper/212:02:422
2847191380,4ptp4l0-21swapper/211:50:172
2847191380,4ptp4l0-21swapper/211:40:272
2847191380,4ptp4l0-21swapper/209:21:032
2847191380,4ptp4l0-21swapper/209:18:082
2847191380,4ptp4l0-21swapper/209:10:252
2847191380,4ptp4l0-21swapper/209:00:412
2847191380,4ptp4l0-21swapper/208:57:222
2847191380,4ptp4l0-21swapper/208:40:252
2847191380,4ptp4l0-21swapper/112:32:291
2847191380,4ptp4l0-21swapper/112:20:481
2847191380,4ptp4l0-21swapper/110:57:001
2847191380,4ptp4l0-21swapper/110:32:571
2847191380,4ptp4l0-21swapper/110:26:251
2847191380,4ptp4l0-21swapper/110:16:271
2847191380,4ptp4l0-21swapper/110:12:461
2847191380,4ptp4l0-21swapper/109:25:091
2847191380,4ptp4l0-21swapper/108:52:031
2847191380,4ptp4l0-21swapper/108:52:031
2847191380,4ptp4l0-21swapper/011:25:290
2847191380,4ptp4l0-21swapper/010:35:150
2847191380,3ptp4l0-21swapper/110:00:191
2847191380,3ptp4l0-21swapper/109:35:061
2847191380,2ptp4l12845-21strings10:10:222
24616993832,3cyclictest25-21ksoftirqd/112:00:001
2847191370,4ptp4l0-21swapper/212:05:172
2847191370,4ptp4l0-21swapper/109:55:421
2847191370,3ptp4l26294-21sed10:40:191
2847191370,3ptp4l0-21swapper/211:48:482
2847191370,3ptp4l0-21swapper/111:28:081
2847191370,3ptp4l0-21swapper/110:47:031
2847191370,3ptp4l0-21swapper/110:22:581
2847191370,3ptp4l0-21swapper/109:50:131
2847191370,3ptp4l0-21swapper/109:41:431
2847191360,3ptp4l0-21swapper/111:41:491
2847191360,3ptp4l0-21swapper/111:17:421
2847191360,3ptp4l0-21swapper/109:31:221
2847191360,3ptp4l0-21swapper/109:07:291
41798270,11rtkit-daemon0-21swapper/207:05:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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