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2025-11-19 - 16:37
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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 Wed Nov 19, 2025 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191710,4ptp4l0-21swapper/108:33:371
2847191680,7ptp4l0-21swapper/010:00:170
180612650,4sleep20-21swapper/210:50:202
146462650,3sleep00-21swapper/009:35:150
2847191640,4ptp4l11418-21iostat11:45:200
2847191600,5ptp4l0-21swapper/110:15:141
2847191600,4ptp4l0-21swapper/110:00:181
2847191600,3ptp4l8132-21ls08:10:211
2847191580,3ptp4l0-21swapper/108:17:501
2847191580,3ptp4l0-21swapper/010:05:270
2847191570,5ptp4l0-21swapper/108:58:511
2847191570,4ptp4l5311-21/usr/sbin/munin08:05:170
2847191570,4ptp4l0-21swapper/210:40:252
2847191570,4ptp4l0-21swapper/112:13:161
2847191570,4ptp4l0-21swapper/107:39:301
2847191570,3ptp4l0-21swapper/012:05:230
2847191570,3ptp4l0-21swapper/011:50:270
2847191570,3ptp4l0-21swapper/009:55:250
2847191560,4ptp4l0-21swapper/307:09:373
2847191560,4ptp4l0-21swapper/007:35:280
2847191560,3ptp4l0-21swapper/207:42:222
2847191550,4ptp4l0-21swapper/208:05:272
2847191550,3ptp4l0-21swapper/011:35:020
2847191540,4ptp4l0-21swapper/112:30:071
2847191540,4ptp4l0-21swapper/108:02:391
2847191540,4ptp4l0-21swapper/007:21:510
2847191540,3ptp4l0-21swapper/109:06:241
2847191530,4ptp4l0-21swapper/311:20:513
2847191530,4ptp4l0-21swapper/309:24:593
2847191530,4ptp4l0-21swapper/307:14:173
2847191530,4ptp4l0-21swapper/110:05:251
2847191530,4ptp4l0-21swapper/109:54:471
2847191530,4ptp4l0-21swapper/011:17:180
2847191530,4ptp4l0-21swapper/008:24:430
2847191530,3ptp4l0-21swapper/111:16:581
2847191530,3ptp4l0-21swapper/111:00:391
2847191520,9ptp4l10774-21/usr/sbin/munin07:05:301
2847191520,5ptp4l0-21swapper/007:05:200
2847191520,4ptp4l0-21swapper/311:15:593
2847191520,4ptp4l0-21swapper/110:36:361
2847191520,4ptp4l0-21swapper/110:36:361
2847191520,4ptp4l0-21swapper/012:37:330
2847191520,4ptp4l0-21swapper/010:29:000
2847191520,4ptp4l0-21swapper/009:23:410
2847191520,4ptp4l0-21swapper/009:09:120
2847191510,4ptp4l0-21swapper/212:39:442
2847191510,4ptp4l0-21swapper/112:27:281
2847191510,4ptp4l0-21swapper/012:03:000
2847191510,4ptp4l0-21swapper/010:35:250
2847191510,4ptp4l0-21swapper/010:35:250
2847191510,4ptp4l0-21swapper/010:12:210
2847191510,4ptp4l0-21swapper/007:59:570
2847191510,3ptp4l0-21swapper/310:58:293
2847191510,3ptp4l0-21swapper/009:44:260
2847191510,3ptp4l0-21swapper/009:10:260
2847191500,4ptp4l0-21swapper/309:44:493
2847191500,4ptp4l0-21swapper/207:49:042
2847191500,4ptp4l0-21swapper/107:32:521
2847191500,4ptp4l0-21swapper/011:24:420
2847191500,4ptp4l0-21swapper/010:59:250
2847191500,3ptp4l0-21swapper/311:38:523
2847191500,3ptp4l0-21swapper/012:26:140
2847191500,3ptp4l0-21swapper/007:50:200
2847191500,15ptp4l25-21ksoftirqd/110:28:241
2847191490,4ptp4l0-21swapper/211:19:432
2847191490,4ptp4l0-21swapper/111:37:341
2847191490,4ptp4l0-21swapper/008:35:280
2847191490,3ptp4l0-21swapper/008:02:480
2847191490,11ptp4l0-21swapper/010:47:010
2847191480,4ptp4l0-21swapper/207:08:532
2847191480,4ptp4l0-21swapper/110:54:401
2847191480,4ptp4l0-21swapper/109:34:071
2847191480,4ptp4l0-21swapper/007:29:110
2847191480,3ptp4l0-21swapper/311:06:483
2847191480,3ptp4l0-21swapper/311:06:483
2847191480,3ptp4l0-21swapper/008:10:570
2847191480,12ptp4l0-21swapper/010:34:070
2847191470,7ptp4l0-21swapper/209:58:102
163262470,4sleep00-21swapper/011:55:200
2847191460,9ptp4l0-21swapper/010:22:320
2847191460,4ptp4l0-21swapper/310:16:043
2847191460,4ptp4l0-21swapper/110:11:151
2847191460,4ptp4l0-21swapper/008:54:390
2847191460,4ptp4l0-21swapper/007:42:020
2847191450,9ptp4l0-21swapper/212:25:252
2847191450,9ptp4l0-21swapper/211:57:252
2847191450,8ptp4l11375-21ps07:10:012
2847191450,4ptp4l0-21swapper/111:55:211
2847191450,4ptp4l0-21swapper/011:32:290
2847191450,4ptp4l0-21swapper/007:31:400
2847191450,3ptp4l0-21swapper/209:37:082
2847191450,3ptp4l0-21swapper/012:31:120
2847191450,10ptp4l0-21swapper/210:48:572
2847191440,9ptp4l0-21swapper/212:24:242
2847191440,9ptp4l0-21swapper/209:02:002
2847191440,9ptp4l0-21swapper/209:02:002
2847191440,9ptp4l0-21swapper/208:50:522
2847191440,8ptp4l0-21swapper/211:48:342
2847191440,4ptp4l14899-21users11:50:322
2847191440,4ptp4l0-21swapper/109:18:291
2847191440,3ptp4l241ktimersoftd/112:00:231
2847191440,3ptp4l0-21swapper/311:00:563
11430994419,4cyclictest41-21ksoftirqd/308:03:313
2847191430,9ptp4l0-21swapper/212:30:582
2847191430,9ptp4l0-21swapper/211:38:252
2847191430,9ptp4l0-21swapper/210:09:522
2847191430,9ptp4l0-21swapper/111:14:471
2847191430,4ptp4l23468-21apt-get08:45:120
2847191430,4ptp4l10609-21meminfo09:25:200
2847191430,3ptp4l13555-21meminfo10:40:230
1143099433,3cyclictest121rcu_preempt11:46:333
1143099431,3cyclictest121rcu_preempt07:15:193
2847191420,9ptp4l0-21swapper/212:08:542
2847191420,8ptp4l0-21swapper/208:58:072
2847191420,5ptp4l19137-21df_inode08:35:161
2847191420,5ptp4l0-21swapper/008:25:220
2847191420,4ptp4l32365-21memory11:20:241
2847191420,4ptp4l25107-21df_inode12:15:171
2847191420,4ptp4l1778-21gnome-shell10:17:590
2847191420,4ptp4l14658-21diskstats09:35:171
2847191420,4ptp4l10229-21iostat09:25:191
2847191420,4ptp4l0-21swapper/012:14:350
2847191420,3ptp4l24651-21df11:05:180
2847191420,3ptp4l24651-21df11:05:180
2847191420,3ptp4l20924-21ntp_states10:55:241
2847191420,3ptp4l1668-21apt-get12:35:151
2847191420,3ptp4l16315-21python10:45:261
2847191420,3ptp4l0-21swapper/209:20:212
2847191420,3ptp4l0-21swapper/111:45:281
1143099422,3cyclictest121rcu_preempt12:07:143
2847191410,6ptp4l0-21swapper/211:40:222
2847191410,5ptp4l26487-21awk12:15:313
2847191410,5ptp4l0-21swapper/207:30:202
2847191410,4ptp4l4455-21ntp_states10:20:241
2847191410,4ptp4l2496-21ntp_states11:25:261
2847191410,4ptp4l0-21swapper/212:16:572
2847191410,4ptp4l0-21swapper/212:11:152
2847191410,4ptp4l0-21swapper/210:37:042
2847191410,4ptp4l0-21swapper/210:37:042
2847191410,4ptp4l0-21swapper/210:20:592
2847191410,4ptp4l0-21swapper/210:01:062
2847191410,4ptp4l0-21swapper/209:51:102
2847191410,4ptp4l0-21swapper/208:23:542
2847191410,4ptp4l0-21swapper/208:15:222
2847191410,4ptp4l0-21swapper/208:14:282
2847191410,4ptp4l0-21swapper/207:57:022
2847191410,4ptp4l0-21swapper/110:30:171
2847191410,4ptp4l0-21swapper/011:41:210
2847191410,3ptp4l30747-21diskstats09:00:180
2847191410,3ptp4l30747-21diskstats09:00:180
2847191410,3ptp4l15164-21meminfo08:25:211
2847191410,3ptp4l12420-21iostat_ios08:20:201
2847191410,3ptp4l0-21swapper/208:31:252
1143099413,3cyclictest121rcu_preempt11:57:313
1143099412,2cyclictest121rcu_preempt11:11:463
2847191400,6ptp4l20308-21awk09:45:271
2847191400,5ptp4l0-21swapper/108:45:231
2847191400,4ptp4l27481-21sshd08:50:361
2847191400,4ptp4l20919-21ntp_states10:55:252
2847191400,4ptp4l16735-21iostat07:20:181
2847191400,4ptp4l0-21swapper/312:35:333
2847191400,4ptp4l0-21swapper/312:23:463
2847191400,4ptp4l0-21swapper/312:00:223
2847191400,4ptp4l0-21swapper/311:40:243
2847191400,4ptp4l0-21swapper/310:11:103
2847191400,4ptp4l0-21swapper/310:01:073
2847191400,4ptp4l0-21swapper/309:27:013
2847191400,4ptp4l0-21swapper/309:15:133
2847191400,4ptp4l0-21swapper/307:50:143
2847191400,4ptp4l0-21swapper/212:02:142
2847191400,4ptp4l0-21swapper/211:30:072
2847191400,4ptp4l0-21swapper/211:27:032
2847191400,4ptp4l0-21swapper/211:10:442
2847191400,4ptp4l0-21swapper/211:05:272
2847191400,4ptp4l0-21swapper/211:05:272
2847191400,4ptp4l0-21swapper/211:04:162
2847191400,4ptp4l0-21swapper/210:30:172
2847191400,4ptp4l0-21swapper/210:26:252
2847191400,4ptp4l0-21swapper/209:40:082
2847191400,4ptp4l0-21swapper/209:06:002
2847191400,4ptp4l0-21swapper/208:45:032
2847191400,4ptp4l0-21swapper/208:41:512
2847191400,4ptp4l0-21swapper/208:37:372
2847191400,4ptp4l0-21swapper/208:00:062
2847191400,4ptp4l0-21swapper/207:50:092
2847191400,4ptp4l0-21swapper/207:28:052
2847191400,4ptp4l0-21swapper/112:20:271
2847191400,4ptp4l0-21swapper/112:06:331
2847191400,4ptp4l0-21swapper/111:53:021
2847191400,4ptp4l0-21swapper/111:41:211
2847191400,4ptp4l0-21swapper/111:05:181
2847191400,4ptp4l0-21swapper/111:05:181
2847191400,4ptp4l0-21swapper/110:43:351
2847191400,4ptp4l0-21swapper/109:58:121
2847191400,4ptp4l0-21swapper/109:44:591
2847191400,4ptp4l0-21swapper/109:20:311
2847191400,4ptp4l0-21swapper/109:13:591
2847191400,4ptp4l0-21swapper/107:50:171
2847191400,4ptp4l0-21swapper/107:46:021
2847191400,4ptp4l0-21swapper/107:10:221
2847191400,4ptp4l0-21swapper/012:20:130
2847191400,4ptp4l0-21swapper/011:10:170
2847191400,4ptp4l0-21swapper/009:50:020
2847191400,4ptp4l0-21swapper/009:15:150
2847191400,3ptp4l9711-21df08:15:170
2847191400,3ptp4l4846-21meminfo11:30:201
2847191400,3ptp4l28536-21hddtemp_smartct08:55:190
2847191400,3ptp4l28395-21hddtemp_smartct07:45:180
2847191400,3ptp4l22445-21diskstats11:00:180
2847191400,3ptp4l20154-21meminfo09:45:240
2847191400,3ptp4l18064-21iostat_ios10:50:200
2847191400,3ptp4l15266-21ls07:15:350
2847191400,3ptp4l12823-21irqstats09:30:200
2847191400,3ptp4l12420-21memory07:10:210
2847191400,3ptp4l0-21swapper/108:40:231
2847191400,3ptp4l0-21swapper/008:30:290
1143099409,5cyclictest41-21ksoftirqd/307:30:313
1143099407,6cyclictest41-21ksoftirqd/312:10:323
2847191390,5ptp4l0-21swapper/311:30:363
2847191390,5ptp4l0-21swapper/309:11:393
2847191390,4ptp4l0-21swapper/312:29:183
2847191390,4ptp4l0-21swapper/311:54:293
2847191390,4ptp4l0-21swapper/311:26:523
2847191390,4ptp4l0-21swapper/310:52:553
2847191390,4ptp4l0-21swapper/310:46:323
2847191390,4ptp4l0-21swapper/310:36:323
2847191390,4ptp4l0-21swapper/310:36:323
2847191390,4ptp4l0-21swapper/310:31:273
2847191390,4ptp4l0-21swapper/310:29:023
2847191390,4ptp4l0-21swapper/310:22:363
2847191390,4ptp4l0-21swapper/309:57:393
2847191390,4ptp4l0-21swapper/309:51:313
2847191390,4ptp4l0-21swapper/309:47:033
2847191390,4ptp4l0-21swapper/309:36:413
2847191390,4ptp4l0-21swapper/309:30:063
2847191390,4ptp4l0-21swapper/309:05:313
2847191390,4ptp4l0-21swapper/308:44:493
2847191390,4ptp4l0-21swapper/308:40:013
2847191390,4ptp4l0-21swapper/308:25:123
2847191390,4ptp4l0-21swapper/307:46:373
2847191390,4ptp4l0-21swapper/307:39:173
2847191390,4ptp4l0-21swapper/307:21:043
2847191390,4ptp4l0-21swapper/210:15:492
2847191390,4ptp4l0-21swapper/210:11:572
2847191390,4ptp4l0-21swapper/209:46:142
2847191390,4ptp4l0-21swapper/209:30:042
2847191390,4ptp4l0-21swapper/209:26:082
2847191390,4ptp4l0-21swapper/209:18:502
2847191390,4ptp4l0-21swapper/208:25:572
2847191390,4ptp4l0-21swapper/207:21:012
2847191390,4ptp4l0-21swapper/207:15:502
2847191390,4ptp4l0-21swapper/109:00:201
2847191390,4ptp4l0-21swapper/109:00:201
2847191390,4ptp4l0-21swapper/108:05:151
2847191390,4ptp4l0-21swapper/107:56:561
2847191390,4ptp4l0-21swapper/107:41:351
2847191390,4ptp4l0-21swapper/107:25:161
2847191390,4ptp4l0-21swapper/107:17:531
2847191390,4ptp4l0-21swapper/011:25:210
2847191390,4ptp4l0-21swapper/008:41:210
2847191390,3ptp4l32566-21/usr/sbin/munin07:55:183
2847191390,3ptp4l0-21swapper/312:33:073
2847191390,3ptp4l0-21swapper/211:20:332
2847191390,3ptp4l0-21swapper/207:37:432
2847191390,3ptp4l0-21swapper/012:15:160
2847191380,4ptp4l0-21swapper/310:42:463
2847191380,4ptp4l0-21swapper/310:08:063
2847191380,4ptp4l0-21swapper/308:30:413
2847191380,4ptp4l0-21swapper/308:23:473
2847191380,4ptp4l0-21swapper/308:15:233
2847191380,4ptp4l0-21swapper/308:13:203
2847191380,4ptp4l0-21swapper/307:42:143
2847191380,4ptp4l0-21swapper/307:28:373
2847191380,4ptp4l0-21swapper/209:11:182
2847191380,3ptp4l0-21swapper/308:50:163
2847191380,3ptp4l0-21swapper/308:05:203
2847191370,4ptp4l0-21swapper/309:04:473
2847191370,4ptp4l0-21swapper/309:04:473
2847191360,3ptp4l0-21swapper/308:55:413
2847191340,3ptp4l0-21swapper/308:46:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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