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2026-06-01 - 22:15
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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 Mon Jun 01, 2026 12:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491640,5ptp4l0-21swapper/010:25:040
134491620,26ptp4l41-21ksoftirqd/310:15:023
146932610,7sleep02823099cyclictest09:00:140
134491600,4ptp4l0-21swapper/112:35:131
134491590,4ptp4l0-21swapper/311:57:553
134491590,4ptp4l0-21swapper/207:30:102
134491590,4ptp4l0-21swapper/007:34:510
134491580,4ptp4l0-21swapper/208:30:082
134491580,4ptp4l0-21swapper/207:26:152
134491580,4ptp4l0-21swapper/111:54:541
134491580,4ptp4l0-21swapper/008:17:180
134491580,4ptp4l0-21swapper/007:46:590
134491570,4ptp4l0-21swapper/011:28:100
134491570,4ptp4l0-21swapper/007:38:590
134491570,3ptp4l0-21swapper/208:51:362
134491560,6ptp4l0-21swapper/007:08:520
134491560,3ptp4l0-21swapper/212:10:532
134491560,3ptp4l0-21swapper/011:10:220
134491560,22ptp4l0-21swapper/110:35:191
134491550,4ptp4l0-21swapper/110:30:331
134491550,4ptp4l0-21swapper/008:31:520
134491550,3ptp4l0-21swapper/310:02:243
134491550,3ptp4l0-21swapper/308:31:233
134491540,4ptp4l0-21swapper/011:47:390
134491540,4ptp4l0-21swapper/011:16:040
134491540,4ptp4l0-21swapper/010:13:290
134491540,4ptp4l0-21swapper/009:44:330
134491540,4ptp4l0-21swapper/009:14:160
134491530,4ptp4l0-21swapper/012:32:210
134491530,4ptp4l0-21swapper/010:57:020
134491530,4ptp4l0-21swapper/010:47:200
134491530,3ptp4l0-21swapper/208:28:432
134491530,1ptp4l0-21swapper/210:17:212
134491520,5ptp4l0-21swapper/010:36:460
134491510,4ptp4l0-21swapper/211:08:562
134491510,3ptp4l0-21swapper/307:40:483
134491500,4ptp4l0-21swapper/207:40:132
134491500,4ptp4l0-21swapper/012:17:030
134491500,4ptp4l0-21swapper/008:43:580
134491500,3ptp4l0-21swapper/209:10:362
134491500,3ptp4l0-21swapper/012:27:040
134491500,10ptp4l856-21apt-get12:00:122
134491500,10ptp4l0-21swapper/012:00:170
2823399493,44cyclictest0-21swapper/312:23:503
2823399493,44cyclictest0-21swapper/312:23:503
134491490,4ptp4l0-21swapper/212:37:132
134491490,4ptp4l0-21swapper/207:57:042
134491490,3ptp4l0-21swapper/108:58:441
134491480,4ptp4l0-21swapper/210:40:222
134491480,4ptp4l0-21swapper/209:44:102
134491480,4ptp4l0-21swapper/107:05:161
134491480,3ptp4l2823299cyclictest10:52:142
134491470,12ptp4l0-21swapper/007:25:180
134491470,11ptp4l0-21swapper/111:35:181
28232994639,4cyclictest7997-21irqrtprio07:35:172
134491460,4ptp4l25-21ksoftirqd/107:55:201
134491460,4ptp4l0-21swapper/309:56:323
134491460,4ptp4l0-21swapper/009:46:340
134491460,3ptp4l27318-21ps09:25:252
134491460,3ptp4l0-21swapper/108:14:361
134491460,3ptp4l0-21swapper/011:38:070
134491460,3ptp4l0-21swapper/009:34:030
134491460,11ptp4l0-21swapper/109:00:251
134491460,10ptp4l0-21swapper/007:44:270
134491450,4ptp4l21442-21apt-get09:15:133
134491450,4ptp4l0-21swapper/308:35:443
134491450,3ptp4l0-21swapper/108:29:281
134491450,3ptp4l0-21swapper/010:23:230
134491450,11ptp4l0-21swapper/211:15:122
134491450,10ptp4l0-21swapper/108:35:241
134491440,9ptp4l0-21swapper/011:56:170
134491440,5ptp4l0-21swapper/308:05:233
134491440,5ptp4l0-21swapper/009:25:130
134491440,4ptp4l0-21swapper/311:03:393
134491440,4ptp4l0-21swapper/207:50:582
134491440,4ptp4l0-21swapper/011:42:470
134491440,4ptp4l0-21swapper/010:05:270
134491440,4ptp4l0-21swapper/008:05:220
134491440,3ptp4l0-21swapper/208:41:512
134491430,7ptp4l0-21swapper/010:33:080
134491430,3ptp4l0-21swapper/211:13:442
134491420,8ptp4l0-21swapper/208:00:272
134491420,5ptp4l28982-21diskstats11:50:140
134491420,5ptp4l15802-21irqstats12:30:181
134491420,5ptp4l0-21swapper/312:15:143
134491420,5ptp4l0-21swapper/309:35:153
134491420,5ptp4l0-21swapper/307:35:133
134491420,5ptp4l0-21swapper/307:28:593
134491420,4ptp4l4917-21users12:05:291
134491420,4ptp4l26420-21apt-get10:35:142
134491420,4ptp4l21829-21apt-get10:25:131
134491420,4ptp4l15445-21ntp_states07:50:220
134491420,4ptp4l12667-21apt-get12:25:133
134491420,4ptp4l12667-21apt-get12:25:122
134491420,4ptp4l1215-21df_inode10:50:140
134491420,4ptp4l0-21swapper/112:15:001
134491420,3ptp4l32229-21users07:15:300
134491420,3ptp4l25626-21ls10:30:273
134491420,3ptp4l17630-21memory07:55:200
134491420,3ptp4l0-21swapper/107:44:191
134491420,3ptp4l0-21swapper/011:20:010
134491410,9ptp4l0-21swapper/112:02:231
134491410,6ptp4l0-21swapper/310:40:113
134491410,5ptp4l0-21swapper/309:20:203
134491410,5ptp4l0-21swapper/209:15:142
134491410,4ptp4l20586-21ntp_states11:30:243
134491410,4ptp4l20435-21ntp_states10:20:233
134491410,4ptp4l19532-21df10:20:142
134491410,4ptp4l13508-21irqstats12:25:191
134491410,4ptp4l13336-21irqstats11:15:191
134491410,4ptp4l0-21swapper/312:05:303
134491410,4ptp4l0-21swapper/209:35:282
134491410,4ptp4l0-21swapper/208:10:362
134491410,4ptp4l0-21swapper/107:30:191
134491410,4ptp4l0-21swapper/012:37:100
134491410,4ptp4l0-21swapper/009:15:210
134491410,4ptp4l0-21swapper/008:45:190
134491410,4ptp4l0-21swapper/008:00:080
134491410,4ptp4l0-21swapper/007:23:410
134491410,3ptp4l8050-21apt-get12:15:111
134491410,3ptp4l31990-21ls11:55:222
134491410,3ptp4l26093-21apt-get08:15:142
134491410,3ptp4l2318-21gnome-shell07:15:581
134491410,3ptp4l22865-21ls08:05:301
134491410,3ptp4l0-21swapper/109:46:211
134491410,3ptp4l0-21swapper/109:41:311
134491400,5ptp4l19338-21latency_hist11:30:003
134491400,5ptp4l12836-21cut07:45:191
134491400,5ptp4l12829-21irqrtprio10:05:193
134491400,5ptp4l0-21swapper/312:10:163
134491400,5ptp4l0-21swapper/310:25:493
134491400,5ptp4l0-21swapper/308:55:283
134491400,5ptp4l0-21swapper/308:00:593
134491400,5ptp4l0-21swapper/211:45:182
134491400,5ptp4l0-21swapper/210:45:112
134491400,5ptp4l0-21swapper/207:45:112
134491400,5ptp4l0-21swapper/111:10:191
134491400,5ptp4l0-21swapper/111:06:331
134491400,4ptp4l8473-21meminfo09:55:212
134491400,4ptp4l6347-21ntp_states09:50:233
134491400,4ptp4l6347-21ntp_states09:50:233
134491400,4ptp4l3278-21/usr/sbin/munin10:55:243
134491400,4ptp4l3245-21apt-get12:05:120
134491400,4ptp4l31042-21apt-get10:45:123
134491400,4ptp4l1820-21python07:20:262
134491400,4ptp4l10371-21/usr/sbin/munin12:20:122
134491400,4ptp4l10371-21/usr/sbin/munin12:20:122
134491400,4ptp4l0-21swapper/312:02:063
134491400,4ptp4l0-21swapper/311:05:253
134491400,4ptp4l0-21swapper/309:10:113
134491400,4ptp4l0-21swapper/309:08:583
134491400,4ptp4l0-21swapper/309:00:153
134491400,4ptp4l0-21swapper/308:40:223
134491400,4ptp4l0-21swapper/308:10:273
134491400,4ptp4l0-21swapper/307:55:143
134491400,4ptp4l0-21swapper/307:50:333
134491400,4ptp4l0-21swapper/307:15:123
134491400,4ptp4l0-21swapper/212:15:222
134491400,4ptp4l0-21swapper/211:54:262
134491400,4ptp4l0-21swapper/211:40:222
134491400,4ptp4l0-21swapper/208:21:372
134491400,4ptp4l0-21swapper/207:19:442
134491400,4ptp4l0-21swapper/109:20:121
134491400,4ptp4l0-21swapper/107:35:191
134491400,4ptp4l0-21swapper/107:25:361
134491400,4ptp4l0-21swapper/012:13:070
134491400,4ptp4l0-21swapper/011:31:080
134491400,4ptp4l0-21swapper/011:00:300
134491400,4ptp4l0-21swapper/010:02:430
134491400,4ptp4l0-21swapper/009:58:070
134491400,4ptp4l0-21swapper/009:07:120
134491400,4ptp4l0-21swapper/008:20:190
134491400,3ptp4l8537-21meminfo08:45:222
134491400,3ptp4l5333-21df07:30:143
134491400,3ptp4l28692-21hddtemp_smartct07:10:170
134491400,3ptp4l25577-21ls11:40:263
134491400,3ptp4l24105-21diskstats08:10:150
134491400,3ptp4l12033-21apt-get07:45:123
134491400,3ptp4l0-21swapper/307:21:483
134491400,3ptp4l0-21swapper/010:41:460
134491400,12ptp4l1317-21runrttasks09:24:160
134491390,5ptp4l26045-21/usr/sbin/munin09:25:253
134491390,5ptp4l0-21swapper/312:35:183
134491390,5ptp4l0-21swapper/309:45:133
134491390,5ptp4l0-21swapper/308:25:183
134491390,4ptp4l3239-21df_abs08:35:140
134491390,4ptp4l28555-21df_abs07:10:143
134491390,4ptp4l27160-21ntpq09:25:241
134491390,4ptp4l11761-21cat12:20:260
134491390,4ptp4l11761-21cat12:20:260
134491390,4ptp4l0-21swapper/311:53:203
134491390,4ptp4l0-21swapper/311:45:223
134491390,4ptp4l0-21swapper/311:20:163
134491390,4ptp4l0-21swapper/311:15:203
134491390,4ptp4l0-21swapper/311:10:173
134491390,4ptp4l0-21swapper/310:50:243
134491390,4ptp4l0-21swapper/310:35:233
134491390,4ptp4l0-21swapper/310:15:173
134491390,4ptp4l0-21swapper/308:52:223
134491390,4ptp4l0-21swapper/308:15:363
134491390,4ptp4l0-21swapper/212:30:202
134491390,4ptp4l0-21swapper/211:35:212
134491390,4ptp4l0-21swapper/210:55:212
134491390,4ptp4l0-21swapper/210:25:222
134491390,4ptp4l0-21swapper/210:08:472
134491390,4ptp4l0-21swapper/210:00:142
134491390,4ptp4l0-21swapper/209:50:302
134491390,4ptp4l0-21swapper/209:50:292
134491390,4ptp4l0-21swapper/209:06:502
134491390,4ptp4l0-21swapper/208:55:212
134491390,4ptp4l0-21swapper/208:06:592
134491390,4ptp4l0-21swapper/112:23:231
134491390,4ptp4l0-21swapper/112:23:221
134491390,4ptp4l0-21swapper/111:40:131
134491390,4ptp4l0-21swapper/110:17:521
134491390,4ptp4l0-21swapper/109:50:131
134491390,4ptp4l0-21swapper/109:50:131
134491390,4ptp4l0-21swapper/109:19:221
134491390,4ptp4l0-21swapper/109:11:081
134491390,4ptp4l0-21swapper/108:20:131
134491390,4ptp4l0-21swapper/108:00:201
134491390,4ptp4l0-21swapper/107:50:261
134491390,4ptp4l0-21swapper/107:11:511
134491390,4ptp4l0-21swapper/011:05:080
134491390,4ptp4l0-21swapper/010:18:100
134491390,4ptp4l0-21swapper/009:52:100
134491390,4ptp4l0-21swapper/009:52:090
134491390,4ptp4l0-21swapper/009:36:020
134491390,4ptp4l0-21swapper/008:55:280
134491390,4ptp4l0-21swapper/008:50:160
134491390,4ptp4l0-21swapper/008:25:410
134491390,3ptp4l0-21swapper/309:40:273
134491390,3ptp4l0-21swapper/110:50:591
134491390,3ptp4l0-21swapper/109:06:481
134491390,3ptp4l0-21swapper/108:45:501
134491390,3ptp4l0-21swapper/107:21:361
134491390,2ptp4l18209-21strings11:25:222
134491380,4ptp4l29758-21sort09:30:252
134491380,4ptp4l16084-21sed10:10:252
134491380,4ptp4l0-21swapper/312:30:203
134491380,4ptp4l0-21swapper/311:35:103
134491380,4ptp4l0-21swapper/309:30:213
134491380,4ptp4l0-21swapper/308:45:453
134491380,4ptp4l0-21swapper/308:21:163
134491380,4ptp4l0-21swapper/211:35:002
134491380,4ptp4l0-21swapper/211:20:212
134491380,4ptp4l0-21swapper/211:01:292
134491380,4ptp4l0-21swapper/209:45:162
134491380,4ptp4l0-21swapper/209:00:142
134491380,4ptp4l0-21swapper/208:37:072
134491380,4ptp4l0-21swapper/207:11:252
134491380,4ptp4l0-21swapper/111:33:541
134491380,4ptp4l0-21swapper/111:25:171
134491380,4ptp4l0-21swapper/111:20:131
134491380,4ptp4l0-21swapper/111:00:251
134491380,4ptp4l0-21swapper/110:57:551
134491380,4ptp4l0-21swapper/110:45:471
134491380,4ptp4l0-21swapper/110:40:351
134491380,4ptp4l0-21swapper/110:09:191
134491380,4ptp4l0-21swapper/110:02:541
134491380,4ptp4l0-21swapper/109:37:171
134491380,4ptp4l0-21swapper/109:30:191
134491380,4ptp4l0-21swapper/108:40:201
134491380,4ptp4l0-21swapper/108:30:551
134491380,3ptp4l0-21swapper/212:06:202
134491380,3ptp4l0-21swapper/110:21:031
134491380,3ptp4l0-21swapper/108:50:211
134491370,4ptp4l0-21swapper/210:30:142
134491370,4ptp4l0-21swapper/111:49:581
134491370,4ptp4l0-21swapper/108:15:581
134491360,3ptp4l0-21swapper/209:23:532
134491360,3ptp4l0-21swapper/109:58:281
134491350,4ptp4l0-21swapper/111:55:291
134491250,4ptp4l0-21swapper/110:13:511
273322210,5sleep20-21swapper/207:05:272
258822214,10sleep30-21swapper/307:05:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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