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2025-11-08 - 00:33
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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 Fri Nov 07, 2025 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191780,3ptp4l0-21swapper/209:05:192
56292750,4sleep20-21swapper/208:00:172
2847191660,4ptp4l14287-21apt-get07:10:132
2847191660,3ptp4l27324-21apt-get12:15:123
2847191650,4ptp4l10800-21perl09:20:163
2847191630,4ptp4l0-21swapper/109:29:461
2847191620,5ptp4l9720-21grep10:25:270
126932620,4sleep20-21swapper/209:25:132
2847191610,4ptp4l0-21swapper/108:34:141
2847191600,4ptp4l0-21swapper/310:13:023
2847191600,4ptp4l0-21swapper/008:38:220
2847191590,4ptp4l0-21swapper/311:20:203
2847191570,4ptp4l0-21swapper/208:15:212
2847191570,3ptp4l0-21swapper/309:37:393
2847191560,4ptp4l0-21swapper/210:23:022
2847191550,5ptp4l0-21swapper/007:05:260
2847191550,4ptp4l0-21swapper/309:56:573
2847191550,4ptp4l0-21swapper/309:43:193
2847191550,4ptp4l0-21swapper/209:50:062
2847191550,3ptp4l0-21swapper/211:49:442
2847191550,17ptp4l0-21swapper/208:51:172
2847191540,4ptp4l0-21swapper/308:19:513
2847191540,12ptp4l0-21swapper/307:29:303
2847191530,5ptp4l13815-21perl11:45:180
2847191530,4ptp4l0-21swapper/307:34:293
2847191530,4ptp4l0-21swapper/208:35:272
2847191530,4ptp4l0-21swapper/011:01:160
2847191520,4ptp4l0-21swapper/309:10:293
2847191520,4ptp4l0-21swapper/208:26:552
2847191520,4ptp4l0-21swapper/110:10:271
2847191520,4ptp4l0-21swapper/009:07:590
2847191520,3ptp4l0-21swapper/207:07:372
2847191520,3ptp4l0-21swapper/010:06:140
2847191520,3ptp4l0-21swapper/008:10:390
2847191520,3ptp4l0-21swapper/008:10:380
2847191510,4ptp4l0-21swapper/212:20:192
2847191510,4ptp4l0-21swapper/208:14:562
2847191510,4ptp4l0-21swapper/208:14:552
2847191510,4ptp4l0-21swapper/012:20:230
2847191510,4ptp4l0-21swapper/012:19:520
2847191510,4ptp4l0-21swapper/011:08:240
2847191510,10ptp4l0-21swapper/312:10:163
2847191500,5ptp4l25-21ksoftirqd/110:41:221
2847191500,4ptp4l0-21swapper/307:24:463
2847191500,4ptp4l0-21swapper/210:15:562
2847191500,4ptp4l0-21swapper/011:36:560
2847191500,4ptp4l0-21swapper/011:36:560
2847191500,11ptp4l12482-21iostat07:05:181
2847191490,4ptp4l0-21swapper/209:58:522
2847191490,4ptp4l0-21swapper/107:18:101
2847191480,5ptp4l0-21swapper/309:02:233
2847191480,4ptp4l0-21swapper/310:33:453
2847191480,4ptp4l0-21swapper/007:29:440
2847191480,3ptp4l15948-21sed07:10:293
2847191470,4ptp4l0-21swapper/312:34:173
2847191470,4ptp4l0-21swapper/311:32:043
2847191470,4ptp4l0-21swapper/308:31:523
2847191470,3ptp4l0-21swapper/308:00:413
2847191470,3ptp4l0-21swapper/212:30:322
2847191460,6ptp4l7695-21apt-get08:05:133
2847191460,5ptp4l0-21swapper/311:42:103
2847191460,4ptp4l0-21swapper/011:32:410
2847191460,3ptp4l0-21swapper/312:27:203
2847191460,2ptp4l1559-21cpuspeed_turbos10:10:122
2847191450,4ptp4l17542-21ls07:15:190
2847191450,4ptp4l0-21swapper/112:34:111
2847191450,3ptp4l0-21swapper/208:44:572
2847191450,3ptp4l0-21swapper/208:44:572
2847191450,11ptp4l0-21swapper/211:50:182
2847191450,10ptp4l0-21swapper/109:57:021
2847191450,10ptp4l0-21swapper/107:11:331
2847191440,9ptp4l0-21swapper/007:21:470
2847191440,5ptp4l28244-21apt-get07:40:123
2847191440,5ptp4l0-21swapper/107:25:311
2847191440,4ptp4l659-21apt-get07:50:120
2847191440,3ptp4l3761-21apt-get10:15:123
2847191440,10ptp4l0-21swapper/107:55:411
2847191430,9ptp4l0-21swapper/009:50:580
2847191430,9ptp4l0-21swapper/007:10:280
2847191430,5ptp4l30635-21users10:00:291
2847191430,5ptp4l15082-21cpuspeed09:30:131
2847191430,5ptp4l0-21swapper/209:40:202
2847191430,5ptp4l0-21swapper/012:30:220
2847191430,5ptp4l0-21swapper/009:00:190
2847191430,4ptp4l5963-21iostat_ios08:00:210
2847191430,4ptp4l31352-21iostat_ios07:45:161
2847191430,4ptp4l27612-21ntp_states08:45:213
2847191430,4ptp4l24826-21apt-get11:00:142
2847191430,4ptp4l2247-21ls07:50:273
2847191430,4ptp4l17177-21apt-get08:25:153
2847191430,4ptp4l0-21swapper/307:06:593
2847191430,4ptp4l0-21swapper/208:56:392
2847191430,4ptp4l0-21swapper/207:55:142
2847191430,10ptp4l0-21swapper/011:53:080
2847191420,9ptp4l0-21swapper/310:25:203
2847191420,5ptp4l31682-21/usr/sbin/munin08:55:193
2847191420,5ptp4l25724-21sed09:50:291
2847191420,5ptp4l18482-21/usr/sbin/munin11:55:180
2847191420,5ptp4l12628-21df_inode08:15:140
2847191420,5ptp4l0-21swapper/108:53:371
2847191420,5ptp4l0-21swapper/010:48:080
2847191420,5ptp4l0-21swapper/009:30:230
2847191420,5ptp4l0-21swapper/009:16:010
2847191420,5ptp4l0-21swapper/008:45:150
2847191420,5ptp4l0-21swapper/008:31:110
2847191420,4ptp4l6235-21irqstats08:00:211
2847191420,4ptp4l3049-21apt-get07:55:133
2847191420,4ptp4l30312-21apt-get07:45:013
2847191420,4ptp4l29678-21ls07:40:262
2847191420,4ptp4l29274-21diskstats10:00:150
2847191420,4ptp4l23466-21meminfo10:55:223
2847191420,4ptp4l13959-21iostat11:45:201
2847191420,4ptp4l13557-21diskstats10:35:172
2847191420,4ptp4l13557-21diskstats10:35:172
2847191420,4ptp4l13125-21hddtemp_smartct09:25:170
2847191420,4ptp4l12197-21ntp_states11:40:221
2847191420,4ptp4l0-21swapper/310:54:203
2847191420,4ptp4l0-21swapper/210:00:162
2847191420,4ptp4l0-21swapper/109:40:011
2847191420,4ptp4l0-21swapper/008:05:220
2847191420,3ptp4l6406-21df_inode10:20:161
2847191420,3ptp4l29751-21ls08:50:203
2847191420,3ptp4l10927-21apt-get10:30:131
2847191410,9ptp4l0-21swapper/007:37:230
2847191410,5ptp4l27293-21cat11:05:143
2847191410,5ptp4l0-21swapper/310:44:223
2847191410,5ptp4l0-21swapper/307:15:253
2847191410,5ptp4l0-21swapper/112:15:181
2847191410,5ptp4l0-21swapper/111:59:171
2847191410,5ptp4l0-21swapper/111:35:001
2847191410,5ptp4l0-21swapper/110:48:101
2847191410,5ptp4l0-21swapper/109:21:551
2847191410,5ptp4l0-21swapper/109:15:121
2847191410,4ptp4l32123-21python07:45:230
2847191410,4ptp4l25797-21meminfo11:00:233
2847191410,4ptp4l22257-21df_inode09:45:131
2847191410,4ptp4l20649-21df_inode12:00:150
2847191410,4ptp4l16928-21python10:40:270
2847191410,4ptp4l0-21swapper/311:56:003
2847191410,4ptp4l0-21swapper/310:08:483
2847191410,4ptp4l0-21swapper/309:45:273
2847191410,4ptp4l0-21swapper/308:20:153
2847191410,4ptp4l0-21swapper/209:00:162
2847191410,4ptp4l0-21swapper/111:25:151
2847191410,4ptp4l0-21swapper/108:08:291
2847191410,4ptp4l0-21swapper/012:08:240
2847191410,4ptp4l0-21swapper/011:16:570
2847191410,4ptp4l0-21swapper/010:37:420
2847191410,4ptp4l0-21swapper/010:37:420
2847191410,4ptp4l0-21swapper/010:34:080
2847191410,4ptp4l0-21swapper/010:23:300
2847191410,4ptp4l0-21swapper/010:10:370
2847191410,4ptp4l0-21swapper/009:40:230
2847191410,4ptp4l0-21swapper/009:35:150
2847191410,4ptp4l0-21swapper/009:20:270
2847191410,4ptp4l0-21swapper/008:44:100
2847191410,4ptp4l0-21swapper/008:44:100
2847191410,4ptp4l0-21swapper/008:25:160
2847191410,4ptp4l0-21swapper/007:41:250
2847191410,3ptp4l4459-21apt-get12:35:122
2847191410,3ptp4l4459-21apt-get12:35:122
2847191410,3ptp4l28956-21apt-get10:00:123
2847191410,3ptp4l26938-21df_inode09:55:150
2847191410,3ptp4l22153-21df09:45:130
2847191410,3ptp4l21793-21apt-get08:35:133
2847191410,3ptp4l16277-21iostat_ios11:50:191
2847191410,3ptp4l13226-21/usr/sbin/munin10:35:183
2847191410,3ptp4l13226-21/usr/sbin/munin10:35:183
1425599412,37cyclictest0-21swapper/111:36:301
1425599412,37cyclictest0-21swapper/111:36:301
2847191400,5ptp4l26175-21df_inode07:35:142
2847191400,5ptp4l0-21swapper/312:35:033
2847191400,5ptp4l0-21swapper/312:35:023
2847191400,5ptp4l0-21swapper/312:20:253
2847191400,5ptp4l0-21swapper/312:05:163
2847191400,5ptp4l0-21swapper/311:19:013
2847191400,5ptp4l0-21swapper/310:20:203
2847191400,5ptp4l0-21swapper/212:00:122
2847191400,5ptp4l0-21swapper/208:20:122
2847191400,5ptp4l0-21swapper/111:05:121
2847191400,5ptp4l0-21swapper/109:35:171
2847191400,4ptp4l19203-21mailstats10:45:252
2847191400,4ptp4l0-21swapper/312:02:483
2847191400,4ptp4l0-21swapper/311:50:163
2847191400,4ptp4l0-21swapper/311:45:263
2847191400,4ptp4l0-21swapper/309:50:463
2847191400,4ptp4l0-21swapper/309:30:293
2847191400,4ptp4l0-21swapper/309:25:193
2847191400,4ptp4l0-21swapper/308:10:133
2847191400,4ptp4l0-21swapper/308:10:133
2847191400,4ptp4l0-21swapper/211:55:222
2847191400,4ptp4l0-21swapper/211:39:422
2847191400,4ptp4l0-21swapper/211:39:412
2847191400,4ptp4l0-21swapper/211:25:222
2847191400,4ptp4l0-21swapper/211:20:232
2847191400,4ptp4l0-21swapper/210:58:292
2847191400,4ptp4l0-21swapper/209:45:152
2847191400,4ptp4l0-21swapper/209:35:052
2847191400,4ptp4l0-21swapper/209:24:102
2847191400,4ptp4l0-21swapper/207:25:152
2847191400,4ptp4l0-21swapper/112:35:261
2847191400,4ptp4l0-21swapper/112:35:251
2847191400,4ptp4l0-21swapper/112:25:241
2847191400,4ptp4l0-21swapper/112:09:181
2847191400,4ptp4l0-21swapper/112:00:201
2847191400,4ptp4l0-21swapper/111:24:561
2847191400,4ptp4l0-21swapper/111:17:181
2847191400,4ptp4l0-21swapper/111:01:321
2847191400,4ptp4l0-21swapper/110:55:031
2847191400,4ptp4l0-21swapper/110:29:361
2847191400,4ptp4l0-21swapper/109:02:221
2847191400,4ptp4l0-21swapper/108:40:141
2847191400,4ptp4l0-21swapper/108:40:141
2847191400,4ptp4l0-21swapper/108:26:111
2847191400,4ptp4l0-21swapper/108:20:171
2847191400,4ptp4l0-21swapper/108:14:411
2847191400,4ptp4l0-21swapper/108:14:411
2847191400,4ptp4l0-21swapper/107:50:151
2847191400,4ptp4l0-21swapper/012:29:180
2847191400,4ptp4l0-21swapper/012:10:590
2847191400,4ptp4l0-21swapper/011:40:160
2847191400,4ptp4l0-21swapper/011:21:500
2847191400,4ptp4l0-21swapper/010:57:200
2847191400,4ptp4l0-21swapper/010:54:060
2847191400,4ptp4l0-21swapper/010:15:130
2847191400,4ptp4l0-21swapper/009:15:010
2847191400,4ptp4l0-21swapper/008:59:450
2847191400,4ptp4l0-21swapper/008:20:210
2847191400,4ptp4l0-21swapper/007:56:290
2847191400,4ptp4l0-21swapper/007:30:230
2847191400,3ptp4l8886-21irqstats09:15:202
2847191400,3ptp4l5065-21ls11:25:203
2847191400,3ptp4l31900-21ntp_states07:45:212
2847191400,3ptp4l31844-21iostat10:05:181
2847191400,3ptp4l0-21swapper/208:30:192
2847191390,5ptp4l0-21swapper/311:10:173
2847191390,5ptp4l0-21swapper/211:30:022
2847191390,5ptp4l0-21swapper/210:31:022
2847191390,4ptp4l0-21swapper/311:35:023
2847191390,4ptp4l0-21swapper/311:35:023
2847191390,4ptp4l0-21swapper/310:45:243
2847191390,4ptp4l0-21swapper/309:05:173
2847191390,4ptp4l0-21swapper/308:40:023
2847191390,4ptp4l0-21swapper/308:40:023
2847191390,4ptp4l0-21swapper/307:36:093
2847191390,4ptp4l0-21swapper/212:15:122
2847191390,4ptp4l0-21swapper/212:10:182
2847191390,4ptp4l0-21swapper/212:07:112
2847191390,4ptp4l0-21swapper/211:10:502
2847191390,4ptp4l0-21swapper/210:54:222
2847191390,4ptp4l0-21swapper/210:26:382
2847191390,4ptp4l0-21swapper/209:31:432
2847191390,4ptp4l0-21swapper/208:05:262
2847191390,4ptp4l0-21swapper/207:20:252
2847191390,4ptp4l0-21swapper/207:15:142
2847191390,4ptp4l0-21swapper/112:20:261
2847191390,4ptp4l0-21swapper/112:13:221
2847191390,4ptp4l0-21swapper/111:12:081
2847191390,4ptp4l0-21swapper/110:50:441
2847191390,4ptp4l0-21swapper/110:15:281
2847191390,4ptp4l0-21swapper/109:10:111
2847191390,4ptp4l0-21swapper/108:58:491
2847191390,4ptp4l0-21swapper/108:49:501
2847191390,4ptp4l0-21swapper/107:40:171
2847191390,4ptp4l0-21swapper/107:30:161
2847191390,4ptp4l0-21swapper/107:20:251
2847191390,4ptp4l0-21swapper/012:35:200
2847191390,4ptp4l0-21swapper/012:35:200
2847191390,4ptp4l0-21swapper/011:28:200
2847191390,4ptp4l0-21swapper/011:10:230
2847191390,4ptp4l0-21swapper/008:50:190
2847191390,3ptp4l31970-21apt-get12:25:122
2847191390,3ptp4l0-21swapper/309:16:003
2847191390,3ptp4l0-21swapper/211:07:182
2847191390,3ptp4l0-21swapper/210:42:222
2847191390,3ptp4l0-21swapper/210:05:222
2847191390,3ptp4l0-21swapper/207:30:192
2847191390,3ptp4l0-21swapper/107:35:351
2847191380,4ptp4l0-21swapper/207:50:162
2847191380,4ptp4l0-21swapper/110:35:241
2847191380,4ptp4l0-21swapper/110:35:241
2847191380,4ptp4l0-21swapper/108:37:041
2847191380,3ptp4l0-21swapper/211:41:222
2847191380,3ptp4l0-21swapper/209:10:252
2847191380,3ptp4l0-21swapper/208:45:082
2847191380,3ptp4l0-21swapper/108:16:411
2847191370,4ptp4l0-21swapper/211:15:142
2847191370,3ptp4l0-21swapper/109:05:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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