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2025-12-04 - 23:09
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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 Dec 04, 2025 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114462650,6sleep2202199cyclictest07:30:012
2847191640,2ptp4l16176-21phc2sys-jitter09:55:250
319742610,4sleep20-21swapper/210:30:172
2847191610,4ptp4l22603-21cat11:20:160
2847191610,18ptp4l0-21swapper/210:55:202
2847191600,4ptp4l0-21swapper/111:50:291
2847191590,4ptp4l0-21swapper/210:52:412
2847191590,3ptp4l25490-21ls10:15:220
2847191580,4ptp4l0-21swapper/208:25:342
2847191580,3ptp4l0-21swapper/010:00:200
2847191570,3ptp4l0-21swapper/012:01:180
2847191570,3ptp4l0-21swapper/012:01:180
2847191570,3ptp4l0-21swapper/009:45:500
2847191570,3ptp4l0-21swapper/008:20:200
26242570,4sleep20-21swapper/210:35:262
2847191560,4ptp4l0-21swapper/007:13:230
2847191550,4ptp4l0-21swapper/012:21:480
2847191550,17ptp4l33-21ksoftirqd/212:30:252
2847191550,14ptp4l26558-21smart_sda12:35:271
2847191540,4ptp4l0-21swapper/211:49:312
2847191540,3ptp4l30791-21hwlatdetect08:10:160
2847191540,3ptp4l0-21swapper/007:44:260
2847191540,13ptp4l0-21swapper/009:25:290
2847191530,4ptp4l0-21swapper/210:06:072
2847191530,4ptp4l0-21swapper/209:28:552
2847191530,4ptp4l0-21swapper/208:58:232
2847191530,4ptp4l0-21swapper/208:23:392
2847191530,4ptp4l0-21swapper/109:37:491
2847191530,4ptp4l0-21swapper/008:52:550
2847191520,4ptp4l0-21swapper/212:08:102
2847191520,4ptp4l0-21swapper/011:36:140
2847191520,4ptp4l0-21swapper/010:47:210
2847191520,4ptp4l0-21swapper/008:38:540
2847191520,3ptp4l0-21swapper/209:52:062
2847191520,3ptp4l0-21swapper/011:01:590
2847191520,3ptp4l0-21swapper/007:15:220
2847191510,4ptp4l0-21swapper/210:20:412
2847191510,4ptp4l0-21swapper/209:24:162
2847191510,4ptp4l0-21swapper/208:11:092
2847191510,4ptp4l0-21swapper/011:25:390
2847191510,4ptp4l0-21swapper/009:13:290
2847191510,3ptp4l0-21swapper/211:05:372
2847191500,5ptp4l9-21ksoftirqd/012:25:200
2847191500,5ptp4l0-21swapper/107:05:101
2847191500,4ptp4l0-21swapper/312:03:103
2847191500,4ptp4l0-21swapper/312:03:103
2847191500,4ptp4l0-21swapper/311:24:363
2847191500,4ptp4l0-21swapper/210:28:492
2847191500,4ptp4l0-21swapper/011:48:070
2847191500,4ptp4l0-21swapper/010:41:560
2847191500,4ptp4l0-21swapper/007:54:420
2847191490,4ptp4l0-21swapper/311:55:263
2847191490,4ptp4l0-21swapper/310:58:323
2847191490,4ptp4l0-21swapper/209:18:482
2847191490,4ptp4l0-21swapper/111:41:391
2847191490,4ptp4l0-21swapper/107:31:221
2847191490,4ptp4l0-21swapper/107:31:221
2847191490,4ptp4l0-21swapper/012:17:550
2847191490,4ptp4l0-21swapper/011:08:480
2847191490,4ptp4l0-21swapper/008:07:370
2847191490,3ptp4l0-21swapper/308:13:373
2847191490,3ptp4l0-21swapper/012:10:360
2847191490,3ptp4l0-21swapper/011:32:030
2847191490,3ptp4l0-21swapper/011:32:030
2847191480,4ptp4l0-21swapper/310:50:593
2847191480,4ptp4l0-21swapper/209:39:002
2847191480,4ptp4l0-21swapper/011:14:550
2847191480,2ptp4l0-21swapper/007:34:010
2847191480,2ptp4l0-21swapper/007:34:010
2847191470,4ptp4l0-21swapper/110:59:411
2847191470,4ptp4l0-21swapper/107:57:211
2847191470,3ptp4l0-21swapper/009:52:390
2847191470,3ptp4l0-21swapper/007:35:210
2847191460,6ptp4l736-21ntp_states07:05:220
2847191460,4ptp4l0-21swapper/012:38:040
2847191460,4ptp4l0-21swapper/009:07:570
2847191460,3ptp4l0-21swapper/111:31:161
2847191460,3ptp4l0-21swapper/111:31:161
2847191450,5ptp4l11323-21meminfo09:45:211
2847191450,4ptp4l0-21swapper/108:41:091
2847191450,4ptp4l0-21swapper/108:41:091
202099451,42cyclictest0-21swapper/108:13:091
2847191440,8ptp4l0-21swapper/211:52:132
2847191440,5ptp4l0-21swapper/209:55:132
2847191440,4ptp4l10364-21apt-get09:45:143
2847191440,4ptp4l0-21swapper/311:37:123
2847191430,5ptp4l0-21swapper/209:40:122
2847191430,3ptp4l41-21ksoftirqd/307:27:353
2847191420,7ptp4l0-21swapper/011:18:340
2847191420,5ptp4l12675-21apt-get09:50:141
2847191420,5ptp4l0-21swapper/310:18:013
2847191420,4ptp4l9570-21apt-get08:35:111
2847191420,4ptp4l5548-21meminfo07:15:211
2847191420,4ptp4l25422-21meminfo10:15:211
2847191420,4ptp4l14211-21apt-get08:45:121
2847191420,4ptp4l0-21swapper/109:34:021
2847191420,4ptp4l0-21swapper/012:30:160
2847191420,3ptp4l2769-21memory11:45:221
2847191420,3ptp4l16522-21apt-get08:50:141
2847191420,3ptp4l121rcu_preempt07:27:321
2847191420,3ptp4l0-21swapper/111:05:321
2847191420,3ptp4l0-21swapper/009:31:250
2847191410,5ptp4l30295-21ntp_states10:25:241
2847191410,5ptp4l0-21swapper/311:00:133
2847191410,5ptp4l0-21swapper/112:15:141
2847191410,5ptp4l0-21swapper/112:10:241
2847191410,5ptp4l0-21swapper/110:40:111
2847191410,5ptp4l0-21swapper/109:55:211
2847191410,4ptp4l9013-21memory09:40:201
2847191410,4ptp4l31556-21irqstats09:20:191
2847191410,4ptp4l26227-21hddtemp_smartct09:10:171
2847191410,4ptp4l21690-21apt-get10:10:020
2847191410,4ptp4l21312-21users10:05:291
2847191410,4ptp4l17646-21ntp_states08:50:232
2847191410,4ptp4l1249-21hddtemp_smartct09:25:181
2847191410,4ptp4l0-21swapper/212:26:292
2847191410,4ptp4l0-21swapper/108:21:341
2847191410,4ptp4l0-21swapper/010:30:180
2847191410,3ptp4l9976-21ls10:50:291
2847191410,3ptp4l8364-21df_inode09:40:140
2847191410,3ptp4l32054-21iostat_ios10:30:181
2847191410,3ptp4l27849-21apt-get09:15:030
2847191410,3ptp4l13895-21irqstats11:00:201
2847191410,3ptp4l0-21swapper/207:58:342
2847191410,3ptp4l0-21swapper/008:41:200
2847191410,3ptp4l0-21swapper/008:41:190
2847191400,5ptp4l0-21swapper/212:15:122
2847191400,5ptp4l0-21swapper/109:00:161
2847191400,5ptp4l0-21swapper/107:10:161
2847191400,5ptp4l0-21swapper/011:40:190
2847191400,4ptp4l25-21ksoftirqd/110:20:221
2847191400,4ptp4l17881-21awk07:40:313
2847191400,4ptp4l17315-21apt-get10:00:102
2847191400,4ptp4l0-21swapper/312:27:323
2847191400,4ptp4l0-21swapper/309:50:203
2847191400,4ptp4l0-21swapper/309:34:063
2847191400,4ptp4l0-21swapper/212:00:222
2847191400,4ptp4l0-21swapper/212:00:222
2847191400,4ptp4l0-21swapper/211:56:372
2847191400,4ptp4l0-21swapper/211:00:402
2847191400,4ptp4l0-21swapper/210:43:572
2847191400,4ptp4l0-21swapper/209:07:152
2847191400,4ptp4l0-21swapper/209:03:192
2847191400,4ptp4l0-21swapper/112:00:121
2847191400,4ptp4l0-21swapper/112:00:121
2847191400,4ptp4l0-21swapper/110:45:161
2847191400,4ptp4l0-21swapper/110:10:291
2847191400,4ptp4l0-21swapper/108:33:491
2847191400,4ptp4l0-21swapper/012:05:410
2847191400,4ptp4l0-21swapper/008:55:120
2847191400,4ptp4l0-21swapper/008:45:110
2847191400,3ptp4l7216-21ntp_states10:45:232
2847191400,3ptp4l32646-21apt-get08:15:123
2847191400,3ptp4l0-21swapper/312:35:233
2847191400,2ptp4l5469-21python11:50:250
2847191400,2ptp4l20350-21ls08:55:311
2847191400,2ptp4l0-21swapper/108:17:181
2022994034,3cyclictest1293-21snmpd07:17:403
2847191390,5ptp4l12048-21cat12:05:203
2847191390,4ptp4l4953-21dpkg08:25:110
2847191390,4ptp4l20484-21apt-config12:25:001
2847191390,4ptp4l0-21swapper/312:31:053
2847191390,4ptp4l0-21swapper/312:20:253
2847191390,4ptp4l0-21swapper/311:45:203
2847191390,4ptp4l0-21swapper/311:25:283
2847191390,4ptp4l0-21swapper/311:06:553
2847191390,4ptp4l0-21swapper/310:45:243
2847191390,4ptp4l0-21swapper/310:43:463
2847191390,4ptp4l0-21swapper/310:11:093
2847191390,4ptp4l0-21swapper/309:55:153
2847191390,4ptp4l0-21swapper/308:32:493
2847191390,4ptp4l0-21swapper/308:20:153
2847191390,4ptp4l0-21swapper/212:39:442
2847191390,4ptp4l0-21swapper/212:20:302
2847191390,4ptp4l0-21swapper/212:14:522
2847191390,4ptp4l0-21swapper/211:37:402
2847191390,4ptp4l0-21swapper/211:32:212
2847191390,4ptp4l0-21swapper/211:32:212
2847191390,4ptp4l0-21swapper/211:21:442
2847191390,4ptp4l0-21swapper/210:15:332
2847191390,4ptp4l0-21swapper/210:12:112
2847191390,4ptp4l0-21swapper/209:45:032
2847191390,4ptp4l0-21swapper/209:30:562
2847191390,4ptp4l0-21swapper/209:14:262
2847191390,4ptp4l0-21swapper/208:36:002
2847191390,4ptp4l0-21swapper/208:05:192
2847191390,4ptp4l0-21swapper/207:10:262
2847191390,4ptp4l0-21swapper/112:05:521
2847191390,4ptp4l0-21swapper/111:35:291
2847191390,4ptp4l0-21swapper/111:25:141
2847191390,4ptp4l0-21swapper/109:15:011
2847191390,4ptp4l0-21swapper/108:00:131
2847191390,4ptp4l0-21swapper/107:35:131
2847191390,4ptp4l0-21swapper/107:20:161
2847191390,4ptp4l0-21swapper/010:55:320
2847191390,4ptp4l0-21swapper/010:35:170
2847191390,4ptp4l0-21swapper/010:25:170
2847191390,4ptp4l0-21swapper/010:08:490
2847191390,4ptp4l0-21swapper/009:35:240
2847191390,4ptp4l0-21swapper/009:21:080
2847191390,4ptp4l0-21swapper/009:04:180
2847191390,4ptp4l0-21swapper/008:30:160
2847191390,4ptp4l0-21swapper/007:59:550
2847191390,4ptp4l0-21swapper/007:20:200
2847191390,3ptp4l31475-21apt-get10:30:123
2847191390,3ptp4l28719-21memory08:05:213
2847191390,3ptp4l27374-21iostat10:20:200
2847191390,3ptp4l26402-21memory08:00:190
2847191390,3ptp4l2412-21memory10:35:231
2847191390,3ptp4l23480-21meminfo11:20:231
2847191390,3ptp4l20766-21iostat_ios11:15:211
2847191390,3ptp4l18273-21meminfo10:00:201
2847191390,3ptp4l14786-21iostat08:45:172
2847191390,3ptp4l1293-21snmpd09:13:013
2847191390,3ptp4l0-21swapper/312:15:203
2847191390,3ptp4l0-21swapper/208:15:402
2847191390,3ptp4l0-21swapper/112:30:191
2847191390,3ptp4l0-21swapper/107:40:471
2847191390,3ptp4l0-21swapper/011:59:220
2847191380,5ptp4l0-21swapper/307:10:153
2847191380,4ptp4l0-21swapper/312:10:143
2847191380,4ptp4l0-21swapper/311:50:003
2847191380,4ptp4l0-21swapper/311:42:513
2847191380,4ptp4l0-21swapper/311:32:223
2847191380,4ptp4l0-21swapper/311:32:223
2847191380,4ptp4l0-21swapper/311:10:303
2847191380,4ptp4l0-21swapper/310:26:403
2847191380,4ptp4l0-21swapper/309:27:223
2847191380,4ptp4l0-21swapper/308:56:203
2847191380,4ptp4l0-21swapper/308:51:313
2847191380,4ptp4l0-21swapper/308:45:163
2847191380,4ptp4l0-21swapper/211:41:192
2847191380,4ptp4l0-21swapper/211:25:362
2847191380,4ptp4l0-21swapper/211:15:092
2847191380,4ptp4l0-21swapper/211:12:052
2847191380,4ptp4l0-21swapper/208:42:532
2847191380,4ptp4l0-21swapper/208:42:522
2847191380,4ptp4l0-21swapper/208:32:412
2847191380,4ptp4l0-21swapper/207:53:132
2847191380,4ptp4l0-21swapper/207:46:002
2847191380,4ptp4l0-21swapper/207:40:062
2847191380,4ptp4l0-21swapper/207:39:292
2847191380,4ptp4l0-21swapper/207:30:362
2847191380,4ptp4l0-21swapper/207:30:362
2847191380,4ptp4l0-21swapper/207:22:352
2847191380,4ptp4l0-21swapper/207:15:122
2847191380,4ptp4l0-21swapper/111:10:121
2847191380,4ptp4l0-21swapper/109:05:171
2847191380,4ptp4l0-21swapper/108:05:171
2847191380,4ptp4l0-21swapper/107:50:121
2847191380,3ptp4l9547-21diskstats07:25:160
2847191380,3ptp4l8716-21diskstats10:50:150
2847191380,3ptp4l5266-21df_inode08:25:131
2847191380,3ptp4l0-21swapper/310:23:283
2847191380,3ptp4l0-21swapper/310:09:283
2847191380,3ptp4l0-21swapper/309:35:503
2847191380,3ptp4l0-21swapper/309:07:343
2847191380,3ptp4l0-21swapper/112:20:441
2847191380,3ptp4l0-21swapper/107:45:131
2847191380,3ptp4l0-21swapper/008:15:350
2847191370,4ptp4l3348-21chrt10:38:003
2847191370,4ptp4l0-21swapper/311:15:523
2847191370,4ptp4l0-21swapper/310:02:183
2847191370,4ptp4l0-21swapper/309:21:263
2847191370,4ptp4l0-21swapper/309:17:023
2847191370,4ptp4l0-21swapper/308:01:593
2847191370,4ptp4l0-21swapper/007:45:150
2847191370,3ptp4l0-21swapper/309:03:143
2847191370,3ptp4l0-21swapper/308:40:193
2847191370,3ptp4l0-21swapper/308:40:193
2847191370,3ptp4l0-21swapper/308:39:363
2847191370,3ptp4l0-21swapper/307:58:143
2847191370,3ptp4l0-21swapper/307:51:533
2847191370,3ptp4l0-21swapper/111:55:151
2847191360,4ptp4l0-21swapper/208:00:372
2847191360,3ptp4l0-21swapper/307:45:263
41798350,4rtkit-daemon0-21swapper/309:40:503
2847191350,4ptp4l1293-21snmpd08:26:473
2847191350,3ptp4l0-21swapper/307:36:313
2847191350,3ptp4l0-21swapper/307:20:423
2847191310,3ptp4l0-21swapper/307:32:283
2847191310,3ptp4l0-21swapper/307:32:283
319982205,9sleep20-21swapper/207:05:022
13562124,4sleep30-21swapper/307:06:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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