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2026-06-05 - 20:20
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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 Jun 05, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491660,4ptp4l5566-21cat11:45:192
283062650,3sleep028310-21cpuspeed_turbos12:35:130
283062650,3sleep028310-21cpuspeed_turbos12:35:130
134491610,4ptp4l0-21swapper/009:50:160
134491600,4ptp4l32387-21apt-get11:35:121
134491600,4ptp4l0-21swapper/012:17:290
134491600,4ptp4l0-21swapper/011:20:000
134491590,4ptp4l0-21swapper/107:45:531
134491590,3ptp4l0-21swapper/111:32:101
134491580,3ptp4l0-21swapper/209:09:522
134491570,4ptp4l0-21swapper/207:54:442
134491570,4ptp4l0-21swapper/111:14:461
134491570,3ptp4l14396-21ls07:25:200
134491570,3ptp4l0-21swapper/312:31:003
134491570,3ptp4l0-21swapper/111:55:071
134491570,3ptp4l0-21swapper/011:40:140
134491570,3ptp4l0-21swapper/011:26:510
134491560,4ptp4l0-21swapper/110:55:381
134491550,5ptp4l0-21swapper/307:07:323
134491550,5ptp4l0-21swapper/307:07:323
134491550,4ptp4l0-21swapper/112:05:001
134491550,3ptp4l0-21swapper/109:54:581
134491550,3ptp4l0-21swapper/012:13:390
134491550,3ptp4l0-21swapper/009:17:000
134491550,3ptp4l0-21swapper/007:15:150
6513995420,6cyclictest25-21ksoftirqd/111:00:251
134491540,3ptp4l26127-21meminfo09:00:180
134491530,4ptp4l0-21swapper/211:26:452
134491530,3ptp4l0-21swapper/108:07:431
134491520,3ptp4l0-21swapper/110:50:261
134491520,3ptp4l0-21swapper/110:34:281
134491520,3ptp4l0-21swapper/108:42:211
134491520,3ptp4l0-21swapper/108:19:551
134491520,3ptp4l0-21swapper/108:19:551
134491520,10ptp4l7599-21meminfo09:30:172
134491510,6ptp4l41-21ksoftirqd/311:06:033
134491510,4ptp4l0-21swapper/309:40:543
134491510,4ptp4l0-21swapper/111:51:331
134491510,4ptp4l0-21swapper/010:42:210
134491510,4ptp4l0-21swapper/009:36:560
134491510,4ptp4l0-21swapper/009:31:300
134491510,3ptp4l0-21swapper/110:43:481
134491510,3ptp4l0-21swapper/009:45:260
134491500,4ptp4l0-21swapper/311:00:383
134491500,4ptp4l0-21swapper/211:57:292
134491500,4ptp4l0-21swapper/111:49:081
134491500,4ptp4l0-21swapper/111:29:301
134491500,4ptp4l0-21swapper/109:47:361
134491500,4ptp4l0-21swapper/109:23:391
134491500,4ptp4l0-21swapper/108:27:491
134491500,4ptp4l0-21swapper/012:25:100
134491500,12ptp4l0-21swapper/210:15:232
134491500,12ptp4l0-21swapper/108:37:541
134491490,5ptp4l0-21swapper/207:07:272
134491490,5ptp4l0-21swapper/207:07:272
134491490,4ptp4l0-21swapper/212:35:202
134491490,4ptp4l0-21swapper/212:35:202
134491490,4ptp4l0-21swapper/111:18:341
134491490,4ptp4l0-21swapper/110:36:001
134491490,4ptp4l0-21swapper/110:18:031
134491490,4ptp4l0-21swapper/109:58:131
134491490,4ptp4l0-21swapper/108:55:491
134491490,4ptp4l0-21swapper/108:55:491
134491490,4ptp4l0-21swapper/009:55:230
134491490,4ptp4l0-21swapper/009:22:440
134491490,3ptp4l0-21swapper/108:31:431
134491490,3ptp4l0-21swapper/107:12:031
6513994820,7cyclictest25-21ksoftirqd/109:10:201
134491480,4ptp4l0-21swapper/210:23:032
134491480,4ptp4l0-21swapper/110:49:081
134491480,4ptp4l0-21swapper/108:03:501
134491480,3ptp4l0-21swapper/309:09:133
134491480,3ptp4l0-21swapper/207:39:572
134491480,3ptp4l0-21swapper/110:14:081
134491480,3ptp4l0-21swapper/107:35:501
134491480,2ptp4l0-21swapper/009:10:220
6513994715,5cyclictest25-21ksoftirqd/108:23:161
134491470,4ptp4l0-21swapper/308:47:523
134491470,4ptp4l0-21swapper/308:38:293
134491470,4ptp4l0-21swapper/111:44:311
134491470,3ptp4l0-21swapper/110:25:391
134491470,3ptp4l0-21swapper/011:04:300
134491470,2ptp4l121rcu_preempt08:49:122
134491470,2ptp4l0-21swapper/010:31:370
134491470,10ptp4l0-21swapper/008:30:250
6514994626,17cyclictest33-21ksoftirqd/212:20:012
134491460,5ptp4l0-21swapper/112:30:191
134491460,4ptp4l0-21swapper/009:44:530
134491460,3ptp4l0-21swapper/007:33:080
134491460,10ptp4l0-21swapper/311:59:423
134491450,9ptp4l0-21swapper/109:27:261
134491450,5ptp4l0-21swapper/308:55:103
134491450,5ptp4l0-21swapper/308:55:103
134491450,4ptp4l0-21swapper/011:32:280
134491450,3ptp4l0-21swapper/112:20:001
134491450,3ptp4l0-21swapper/008:21:060
6513994418,7cyclictest25-21ksoftirqd/107:25:241
134491440,9ptp4l14885-21tail10:55:240
134491440,9ptp4l0-21swapper/109:38:341
134491440,4ptp4l0-21swapper/310:58:243
134491440,3ptp4l0-21swapper/007:57:100
134491440,10ptp4l0-21swapper/208:28:342
6513994337,3cyclictest25-21ksoftirqd/109:20:001
134491430,9ptp4l0-21swapper/009:28:020
134491430,5ptp4l14011-21df_inode10:55:152
134491430,5ptp4l0-21swapper/312:35:193
134491430,5ptp4l0-21swapper/312:35:193
134491430,5ptp4l0-21swapper/311:37:283
134491430,4ptp4l13775-21apt-get09:45:132
134491430,4ptp4l0-21swapper/211:19:032
134491430,3ptp4l32243-21apt-get10:25:110
134491430,3ptp4l0-21swapper/012:03:410
134491430,3ptp4l0-21swapper/010:04:040
134491430,3ptp4l0-21swapper/007:39:140
134491430,10ptp4l0-21swapper/209:20:282
651399429,9cyclictest25-21ksoftirqd/112:20:001
134491420,5ptp4l0-21swapper/207:45:242
134491420,5ptp4l0-21swapper/011:20:230
134491420,4ptp4l8839-21apt-get07:15:121
134491420,4ptp4l4559-21df09:25:132
134491420,4ptp4l31344-21ls09:10:253
134491420,4ptp4l25586-21iostat07:50:191
134491420,4ptp4l21102-21hddtemp_smartct11:10:160
134491420,4ptp4l20632-21df07:40:140
134491420,4ptp4l19369-21meminfo09:55:202
134491420,4ptp4l16178-21hddtemp_smartct07:30:151
134491420,10ptp4l0-21swapper/212:20:072
651399417,4cyclictest25-21ksoftirqd/110:00:181
651399417,3cyclictest25-21ksoftirqd/108:14:331
651399415,8cyclictest25-21ksoftirqd/109:40:181
6513994135,4cyclictest25-21ksoftirqd/108:45:251
6513994114,7cyclictest25-21ksoftirqd/112:29:311
134491410,6ptp4l0-21swapper/008:27:080
134491410,5ptp4l0-21swapper/312:00:213
134491410,5ptp4l0-21swapper/309:35:213
134491410,4ptp4l0-21swapper/212:31:322
134491410,4ptp4l0-21swapper/208:00:202
134491410,4ptp4l0-21swapper/111:20:241
134491410,4ptp4l0-21swapper/111:05:531
134491410,4ptp4l0-21swapper/107:40:231
134491410,4ptp4l0-21swapper/008:55:180
134491410,4ptp4l0-21swapper/008:55:180
134491410,3ptp4l5131-21memory08:15:200
134491410,3ptp4l5131-21memory08:15:200
134491410,3ptp4l32235-21df_inode08:05:150
134491410,3ptp4l28909-21ntp_states11:25:223
134491410,3ptp4l25859-21apt-get12:30:110
134491410,3ptp4l22724-21apt-get07:45:130
134491410,3ptp4l16916-21ls08:40:200
134491410,3ptp4l15203-21ntp_states12:05:220
134491410,3ptp4l15203-21ntp_states12:05:220
134491410,3ptp4l11982-21iostat_ios10:50:192
134491410,3ptp4l11786-21diskstats09:40:142
134491400,5ptp4l0-21swapper/310:13:593
134491400,5ptp4l0-21swapper/109:05:201
134491400,4ptp4l24156-21ntp_states10:05:231
134491400,4ptp4l16517-21if_enp1s011:00:172
134491400,4ptp4l0-21swapper/311:45:113
134491400,4ptp4l0-21swapper/311:40:173
134491400,4ptp4l0-21swapper/311:31:143
134491400,4ptp4l0-21swapper/311:20:023
134491400,4ptp4l0-21swapper/311:17:283
134491400,4ptp4l0-21swapper/311:14:133
134491400,4ptp4l0-21swapper/310:50:263
134491400,4ptp4l0-21swapper/310:49:243
134491400,4ptp4l0-21swapper/310:42:263
134491400,4ptp4l0-21swapper/309:30:143
134491400,4ptp4l0-21swapper/309:17:243
134491400,4ptp4l0-21swapper/308:27:423
134491400,4ptp4l0-21swapper/212:11:292
134491400,4ptp4l0-21swapper/210:10:232
134491400,4ptp4l0-21swapper/210:07:382
134491400,4ptp4l0-21swapper/209:00:202
134491400,4ptp4l0-21swapper/112:35:231
134491400,4ptp4l0-21swapper/112:35:231
134491400,4ptp4l0-21swapper/112:06:171
134491400,4ptp4l0-21swapper/112:06:171
134491400,4ptp4l0-21swapper/110:24:351
134491400,4ptp4l0-21swapper/109:30:261
134491400,4ptp4l0-21swapper/109:01:001
134491400,4ptp4l0-21swapper/108:50:181
134491400,4ptp4l0-21swapper/107:55:161
134491400,4ptp4l0-21swapper/107:20:161
134491400,4ptp4l0-21swapper/011:47:060
134491400,4ptp4l0-21swapper/011:35:210
134491400,4ptp4l0-21swapper/010:50:210
134491400,4ptp4l0-21swapper/010:47:580
134491400,4ptp4l0-21swapper/010:35:230
134491400,4ptp4l0-21swapper/010:23:040
134491400,4ptp4l0-21swapper/010:18:480
134491400,4ptp4l0-21swapper/010:05:170
134491400,4ptp4l0-21swapper/008:35:160
134491400,3ptp4l30202-21iostat_ios08:00:170
134491400,3ptp4l25329-21apt-get10:10:100
134491400,3ptp4l18488-21df08:45:140
134491400,3ptp4l16700-21meminfo07:30:193
134491400,3ptp4l0-21swapper/211:35:482
134491400,2ptp4l12660-21ls07:20:280
6514993934,3cyclictest33-21ksoftirqd/211:15:012
6514993934,3cyclictest33-21ksoftirqd/210:00:192
6514993934,3cyclictest33-21ksoftirqd/208:20:002
6514993934,3cyclictest33-21ksoftirqd/208:19:592
134491390,5ptp4l12872-21date08:30:263
134491390,5ptp4l0-21swapper/309:20:123
134491390,5ptp4l0-21swapper/009:05:110
134491390,4ptp4l22710-21sed12:20:270
134491390,4ptp4l19301-21ps12:15:163
134491390,4ptp4l10809-21/usr/sbin/munin11:55:240
134491390,4ptp4l0-21swapper/312:20:123
134491390,4ptp4l0-21swapper/310:36:443
134491390,4ptp4l0-21swapper/310:26:343
134491390,4ptp4l0-21swapper/310:05:373
134491390,4ptp4l0-21swapper/310:02:303
134491390,4ptp4l0-21swapper/309:50:413
134491390,4ptp4l0-21swapper/309:00:243
134491390,4ptp4l0-21swapper/308:42:003
134491390,4ptp4l0-21swapper/308:20:183
134491390,4ptp4l0-21swapper/308:16:203
134491390,4ptp4l0-21swapper/308:16:203
134491390,4ptp4l0-21swapper/308:10:173
134491390,4ptp4l0-21swapper/308:00:223
134491390,4ptp4l0-21swapper/307:55:153
134491390,4ptp4l0-21swapper/307:50:263
134491390,4ptp4l0-21swapper/307:28:523
134491390,4ptp4l0-21swapper/307:19:003
134491390,4ptp4l0-21swapper/212:00:242
134491390,4ptp4l0-21swapper/211:05:362
134491390,4ptp4l0-21swapper/210:40:092
134491390,4ptp4l0-21swapper/210:39:152
134491390,4ptp4l0-21swapper/209:53:502
134491390,4ptp4l0-21swapper/209:37:442
134491390,4ptp4l0-21swapper/209:15:162
134491390,4ptp4l0-21swapper/209:10:182
134491390,4ptp4l0-21swapper/208:55:542
134491390,4ptp4l0-21swapper/208:55:542
134491390,4ptp4l0-21swapper/208:21:372
134491390,4ptp4l0-21swapper/207:40:202
134491390,4ptp4l0-21swapper/207:30:202
134491390,4ptp4l0-21swapper/207:28:462
134491390,4ptp4l0-21swapper/112:12:281
134491390,4ptp4l0-21swapper/011:50:270
134491390,4ptp4l0-21swapper/011:05:340
134491390,4ptp4l0-21swapper/007:50:100
134491390,4ptp4l0-21swapper/007:11:260
134491390,3ptp4l2257-21hddtemp_smartct08:10:140
134491390,3ptp4l20873-21/usr/sbin/munin08:50:140
134491390,3ptp4l13983-21df09:45:143
134491390,3ptp4l0-21swapper/311:50:203
134491390,3ptp4l0-21swapper/310:17:043
134491390,3ptp4l0-21swapper/211:50:242
134491390,3ptp4l0-21swapper/211:44:082
134491390,3ptp4l0-21swapper/211:21:592
6514993833,3cyclictest33-21ksoftirqd/210:25:122
134491380,4ptp4l0-21swapper/312:10:583
134491380,4ptp4l0-21swapper/312:08:373
134491380,4ptp4l0-21swapper/312:08:373
134491380,4ptp4l0-21swapper/310:20:153
134491380,4ptp4l0-21swapper/309:55:313
134491380,4ptp4l0-21swapper/307:44:373
134491380,4ptp4l0-21swapper/307:39:583
134491380,4ptp4l0-21swapper/210:47:122
134491380,4ptp4l0-21swapper/210:34:092
134491380,4ptp4l0-21swapper/208:38:592
134491380,4ptp4l0-21swapper/208:13:502
134491380,4ptp4l0-21swapper/207:10:442
134491380,3ptp4l33-21ksoftirqd/208:50:262
134491380,3ptp4l0-21swapper/309:25:223
134491380,3ptp4l0-21swapper/307:45:253
134491380,3ptp4l0-21swapper/307:11:463
134491380,3ptp4l0-21swapper/212:26:012
134491380,3ptp4l0-21swapper/212:05:352
134491380,3ptp4l0-21swapper/212:05:352
134491380,3ptp4l0-21swapper/208:30:272
134491380,3ptp4l0-21swapper/208:07:292
134491370,4ptp4l0-21swapper/312:29:283
134491370,4ptp4l0-21swapper/310:32:193
134491370,4ptp4l0-21swapper/307:21:163
134491370,4ptp4l0-21swapper/207:17:502
134491370,3ptp4l0-21swapper/308:50:173
134491370,3ptp4l0-21swapper/308:07:373
134491370,3ptp4l0-21swapper/211:30:112
134491370,3ptp4l0-21swapper/208:40:302
134491370,3ptp4l0-21swapper/207:58:172
134491360,4ptp4l0-21swapper/207:22:462
47422225,10sleep00-21swapper/007:05:180
47422225,10sleep00-21swapper/007:05:180
62212215,8sleep10-21swapper/107:10:001
62212215,8sleep10-21swapper/107:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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