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2025-09-17 - 21:02
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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 Sep 17, 2025 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2847191670,3ptp4l30154-21sed08:45:140
2847191650,3ptp4l17642-21df07:10:143
225472650,5sleep20-21swapper/211:55:202
171402650,6sleep117141-21latency_hist07:10:001
313342640,3sleep031338-21missed_timers11:05:240
151692640,5sleep00-21swapper/009:20:290
1739899632,59cyclictest0-21swapper/112:01:001
108242630,3sleep10-21swapper/111:30:201
1739899622,58cyclictest0-21swapper/112:05:401
1739899622,58cyclictest0-21swapper/112:05:391
2847191610,4ptp4l0-21swapper/209:10:282
2847191610,4ptp4l0-21swapper/010:19:440
2847191600,9ptp4l25-21ksoftirqd/110:45:151
2847191600,3ptp4l31760-21irqstats12:15:190
17398996011,47cyclictest0-21swapper/108:40:401
2847191590,3ptp4l0-21swapper/210:45:192
2847191590,3ptp4l0-21swapper/107:20:491
2847191580,4ptp4l0-21swapper/207:42:272
2847191570,4ptp4l0-21swapper/210:35:272
2847191570,3ptp4l0-21swapper/010:20:180
2847191560,4ptp4l0-21swapper/007:24:190
2847191560,3ptp4l0-21swapper/212:36:112
2847191550,5ptp4l0-21swapper/308:53:233
2847191550,5ptp4l0-21swapper/208:33:132
2847191550,4ptp4l0-21swapper/311:27:573
2847191550,4ptp4l0-21swapper/209:34:462
2847191550,4ptp4l0-21swapper/208:50:282
2847191550,4ptp4l0-21swapper/111:05:201
2847191550,4ptp4l0-21swapper/009:37:260
2847191550,4ptp4l0-21swapper/009:03:250
2847191550,3ptp4l1739799cyclictest10:11:520
2847191540,4ptp4l0-21swapper/211:36:102
2849691535,38phc2sys15058-21apt-get07:05:153
2847191530,4ptp4l0-21swapper/211:25:222
2847191530,4ptp4l0-21swapper/208:40:492
2847191530,3ptp4l0-21swapper/210:50:172
2847191530,3ptp4l0-21swapper/208:14:532
2847191530,11ptp4l0-21swapper/310:05:293
2847191520,5ptp4l0-21swapper/210:28:232
2847191520,4ptp4l0-21swapper/212:32:202
2847191520,4ptp4l0-21swapper/210:21:592
2847191520,4ptp4l0-21swapper/208:38:232
2847191520,3ptp4l0-21swapper/107:25:241
2847191520,3ptp4l0-21swapper/010:39:460
2847191510,4ptp4l0-21swapper/212:24:122
2847191510,4ptp4l0-21swapper/212:17:572
2847191510,4ptp4l0-21swapper/207:31:392
2847191510,4ptp4l0-21swapper/009:41:110
2847191510,3ptp4l0-21swapper/207:37:572
2847191510,3ptp4l0-21swapper/111:51:381
2847191510,3ptp4l0-21swapper/011:54:540
2847191500,4ptp4l0-21swapper/211:52:022
2847191500,4ptp4l0-21swapper/210:57:062
2847191500,4ptp4l0-21swapper/208:05:552
2847191500,4ptp4l0-21swapper/207:45:382
2847191500,3ptp4l0-21swapper/307:48:413
2847191490,5ptp4l0-21swapper/207:06:582
2847191490,4ptp4l0-21swapper/209:23:302
2847191480,6ptp4l0-21swapper/108:01:011
2847191480,3ptp4l0-21swapper/307:35:233
2847191470,8ptp4l15371-21df_inode07:05:160
2847191470,7ptp4l0-21swapper/211:24:192
2847191470,4ptp4l0-21swapper/310:46:543
2847191470,4ptp4l0-21swapper/109:51:211
2847191470,3ptp4l0-21swapper/212:08:482
2847191470,3ptp4l0-21swapper/212:08:482
2847191470,3ptp4l0-21swapper/110:35:021
2847191460,3ptp4l0-21swapper/307:56:013
2847191460,3ptp4l0-21swapper/211:30:082
2847191460,10ptp4l0-21swapper/208:49:252
2847191450,6ptp4l0-21swapper/311:00:133
2847191450,4ptp4l6785-21apt-get09:05:163
2847191450,4ptp4l29560-21ls11:00:290
2847191450,4ptp4l21584-21apt-get11:55:133
2847191450,4ptp4l0-21swapper/211:47:472
2847191450,4ptp4l0-21swapper/211:43:492
2847191450,4ptp4l0-21swapper/007:15:200
2847191450,14ptp4l25-21ksoftirqd/107:12:131
2847191440,5ptp4l1740099cyclictest08:10:143
2847191440,4ptp4l32411-21apt-get11:10:030
2847191440,4ptp4l16254-21apt-get09:25:123
2847191440,4ptp4l10840-21apt-get08:05:133
2847191440,4ptp4l0-21swapper/212:29:382
2847191440,4ptp4l0-21swapper/107:51:041
2847191440,3ptp4l18017-21apt-get08:20:133
2847191440,3ptp4l0-21swapper/307:31:243
2847191440,3ptp4l0-21swapper/111:56:541
2847191430,5ptp4l0-21swapper/310:55:333
2847191430,5ptp4l0-21swapper/308:25:013
2847191430,5ptp4l0-21swapper/010:25:220
2847191430,5ptp4l0-21swapper/007:45:210
2847191430,5ptp4l0-21swapper/007:35:180
2847191430,4ptp4l10019-21apt-get11:30:143
2847191430,4ptp4l0-21swapper/111:12:471
2847191430,4ptp4l0-21swapper/010:09:360
2847191430,3ptp4l9091-21apt-get09:10:133
2847191430,3ptp4l31399-21apt-get07:40:123
2847191430,3ptp4l17538-21apt-get08:20:032
2847191430,3ptp4l14648-21apt-get11:40:143
1739999436,3cyclictest121rcu_preempt09:40:002
2847191420,5ptp4l5598-21ntp_states09:00:262
2847191420,5ptp4l0-21swapper/311:20:253
2847191420,5ptp4l0-21swapper/310:20:323
2847191420,5ptp4l0-21swapper/308:40:193
2847191420,5ptp4l0-21swapper/009:15:140
2847191420,5ptp4l0-21swapper/008:00:170
2847191420,4ptp4l534-21hddtemp_smartct10:00:172
2847191420,4ptp4l534-21hddtemp_smartct10:00:172
2847191420,4ptp4l19744-21apt-get07:15:133
2847191420,4ptp4l0-21swapper/312:35:143
2847191420,4ptp4l0-21swapper/111:45:141
2847191420,4ptp4l0-21swapper/008:30:160
2847191420,4ptp4l0-21swapper/007:30:210
2847191420,3ptp4l7107-21ls12:30:291
2847191420,3ptp4l25527-21apt-get09:45:132
2847191420,3ptp4l19752-21ls10:40:233
2847191420,3ptp4l1795-21llvmpipe-209:05:590
2847191410,5ptp4l3875-21/usr/sbin/munin07:50:243
2847191410,5ptp4l0-21swapper/312:20:143
2847191410,5ptp4l0-21swapper/312:00:133
2847191410,5ptp4l0-21swapper/309:45:163
2847191410,5ptp4l0-21swapper/210:30:292
2847191410,5ptp4l0-21swapper/210:30:292
2847191410,5ptp4l0-21swapper/209:50:292
2847191410,5ptp4l0-21swapper/108:35:211
2847191410,5ptp4l0-21swapper/011:55:210
2847191410,5ptp4l0-21swapper/010:45:220
2847191410,5ptp4l0-21swapper/009:10:170
2847191410,4ptp4l24597-21df07:25:160
2847191410,4ptp4l21667-21ntp_states08:25:252
2847191410,4ptp4l16586-21ntp_states08:15:243
2847191410,4ptp4l15038-21meminfo10:30:233
2847191410,4ptp4l15038-21meminfo10:30:233
2847191410,4ptp4l0-21swapper/211:10:012
2847191410,4ptp4l0-21swapper/208:55:502
2847191410,4ptp4l0-21swapper/207:20:302
2847191410,4ptp4l0-21swapper/110:25:201
2847191410,4ptp4l0-21swapper/109:02:591
2847191410,4ptp4l0-21swapper/012:00:470
2847191410,4ptp4l0-21swapper/010:34:100
2847191410,4ptp4l0-21swapper/010:34:100
2847191410,4ptp4l0-21swapper/010:03:360
2847191410,4ptp4l0-21swapper/010:03:350
2847191410,4ptp4l0-21swapper/008:28:310
2847191410,4ptp4l0-21swapper/008:17:400
2847191410,4ptp4l0-21swapper/008:13:080
2847191410,4ptp4l0-21swapper/007:59:050
2847191410,3ptp4l3635-21ntp_states10:05:252
2847191410,3ptp4l3528-21diskstats12:25:150
2847191410,3ptp4l30988-21ntp_states08:45:233
2847191410,3ptp4l28596-21apt-get12:10:120
2847191410,3ptp4l25024-21users10:50:300
2847191410,3ptp4l20865-21ls11:50:313
2847191410,3ptp4l0-21swapper/310:10:223
2847191410,3ptp4l0-21swapper/208:16:372
2847191410,3ptp4l0-21swapper/110:12:181
41798400,4rtkit-daemon0-21swapper/207:15:192
2847191400,5ptp4l8935-21/usr/sbin/munin11:25:291
2847191400,5ptp4l0-21swapper/309:54:363
2847191400,5ptp4l0-21swapper/308:35:133
2847191400,5ptp4l0-21swapper/110:00:131
2847191400,5ptp4l0-21swapper/110:00:131
2847191400,5ptp4l0-21swapper/008:35:270
2847191400,5ptp4l0-21swapper/007:41:200
2847191400,4ptp4l28047-21apt-get11:00:132
2847191400,4ptp4l26875-21iostat_ios12:05:203
2847191400,4ptp4l26875-21iostat_ios12:05:193
2847191400,4ptp4l25-21ksoftirqd/110:19:211
2847191400,4ptp4l18389-21meminfo07:10:202
2847191400,4ptp4l0-21swapper/312:25:143
2847191400,4ptp4l0-21swapper/311:38:133
2847191400,4ptp4l0-21swapper/311:10:233
2847191400,4ptp4l0-21swapper/311:06:583
2847191400,4ptp4l0-21swapper/310:00:193
2847191400,4ptp4l0-21swapper/310:00:193
2847191400,4ptp4l0-21swapper/309:40:173
2847191400,4ptp4l0-21swapper/309:35:123
2847191400,4ptp4l0-21swapper/309:15:283
2847191400,4ptp4l0-21swapper/309:00:313
2847191400,4ptp4l0-21swapper/307:20:283
2847191400,4ptp4l0-21swapper/211:16:252
2847191400,4ptp4l0-21swapper/210:15:302
2847191400,4ptp4l0-21swapper/210:12:112
2847191400,4ptp4l0-21swapper/209:55:252
2847191400,4ptp4l0-21swapper/209:15:192
2847191400,4ptp4l0-21swapper/209:06:352
2847191400,4ptp4l0-21swapper/207:51:232
2847191400,4ptp4l0-21swapper/109:30:371
2847191400,4ptp4l0-21swapper/108:30:091
2847191400,4ptp4l0-21swapper/108:20:111
2847191400,4ptp4l0-21swapper/107:55:051
2847191400,4ptp4l0-21swapper/012:35:240
2847191400,4ptp4l0-21swapper/012:22:090
2847191400,4ptp4l0-21swapper/012:08:350
2847191400,4ptp4l0-21swapper/012:08:350
2847191400,4ptp4l0-21swapper/011:25:280
2847191400,4ptp4l0-21swapper/010:55:380
2847191400,4ptp4l0-21swapper/010:42:190
2847191400,4ptp4l0-21swapper/009:54:070
2847191400,4ptp4l0-21swapper/009:25:210
2847191400,4ptp4l0-21swapper/008:56:190
2847191400,4ptp4l0-21swapper/008:20:230
2847191400,4ptp4l0-21swapper/007:52:310
2847191400,3ptp4l8958-21ntp_states12:35:251
2847191400,3ptp4l32483-21df_inode08:50:150
2847191400,3ptp4l28129-21iostat08:40:220
2847191400,3ptp4l11964-21ntp_states08:05:231
2847191400,3ptp4l0-21swapper/311:15:153
2847191400,3ptp4l0-21swapper/212:14:292
2847191400,3ptp4l0-21swapper/112:22:401
2847191400,3ptp4l0-21swapper/011:30:100
2847191400,10ptp4l25-21ksoftirqd/111:41:191
2847191390,5ptp4l0-21swapper/209:44:532
2847191390,5ptp4l0-21swapper/110:10:011
2847191390,5ptp4l0-21swapper/011:45:260
2847191390,4ptp4l0-21swapper/312:30:283
2847191390,4ptp4l0-21swapper/312:10:233
2847191390,4ptp4l0-21swapper/311:45:243
2847191390,4ptp4l0-21swapper/310:50:033
2847191390,4ptp4l0-21swapper/310:35:193
2847191390,4ptp4l0-21swapper/309:55:183
2847191390,4ptp4l0-21swapper/309:30:353
2847191390,4ptp4l0-21swapper/308:30:113
2847191390,4ptp4l0-21swapper/308:03:233
2847191390,4ptp4l0-21swapper/307:25:093
2847191390,4ptp4l0-21swapper/211:11:302
2847191390,4ptp4l0-21swapper/209:25:172
2847191390,4ptp4l0-21swapper/208:00:162
2847191390,4ptp4l0-21swapper/207:56:392
2847191390,4ptp4l0-21swapper/207:25:192
2847191390,4ptp4l0-21swapper/112:18:531
2847191390,4ptp4l0-21swapper/112:11:471
2847191390,4ptp4l0-21swapper/111:17:361
2847191390,4ptp4l0-21swapper/111:03:551
2847191390,4ptp4l0-21swapper/110:57:101
2847191390,4ptp4l0-21swapper/110:30:201
2847191390,4ptp4l0-21swapper/110:30:201
2847191390,4ptp4l0-21swapper/110:22:331
2847191390,4ptp4l0-21swapper/109:47:331
2847191390,4ptp4l0-21swapper/109:40:521
2847191390,4ptp4l0-21swapper/109:25:161
2847191390,4ptp4l0-21swapper/109:20:181
2847191390,4ptp4l0-21swapper/109:13:241
2847191390,4ptp4l0-21swapper/108:55:281
2847191390,4ptp4l0-21swapper/108:25:091
2847191390,4ptp4l0-21swapper/107:45:421
2847191390,4ptp4l0-21swapper/107:38:481
2847191390,4ptp4l0-21swapper/107:18:021
2847191390,4ptp4l0-21swapper/012:32:300
2847191390,4ptp4l0-21swapper/011:40:300
2847191390,4ptp4l0-21swapper/011:20:160
2847191390,4ptp4l0-21swapper/009:57:530
2847191390,4ptp4l0-21swapper/009:30:290
2847191390,4ptp4l0-21swapper/008:05:340
2847191390,4ptp4l0-21swapper/007:10:120
2847191390,3ptp4l12776-21sed10:25:233
2847191390,3ptp4l0-21swapper/110:54:591
2847191390,3ptp4l0-21swapper/109:37:311
2847191390,3ptp4l0-21swapper/107:42:201
2847191390,3ptp4l0-21swapper/011:35:240
2847191390,3ptp4l0-21swapper/009:45:330
2847191380,4ptp4l0-21swapper/312:15:163
2847191380,4ptp4l0-21swapper/310:15:323
2847191380,4ptp4l0-21swapper/309:20:293
2847191380,4ptp4l0-21swapper/210:42:122
2847191380,4ptp4l0-21swapper/111:38:021
2847191380,4ptp4l0-21swapper/111:20:231
2847191380,4ptp4l0-21swapper/109:57:571
2847191380,4ptp4l0-21swapper/109:06:231
2847191380,4ptp4l0-21swapper/108:13:181
2847191380,4ptp4l0-21swapper/107:31:491
2847191380,4ptp4l0-21swapper/011:15:220
2847191380,3ptp4l0-21swapper/308:55:193
2847191380,3ptp4l0-21swapper/212:00:272
2847191380,3ptp4l0-21swapper/112:25:331
2847191380,3ptp4l0-21swapper/110:42:101
2847191380,3ptp4l0-21swapper/109:17:141
2847191380,3ptp4l0-21swapper/108:46:401
2847191380,3ptp4l0-21swapper/108:18:511
2847191370,3ptp4l0-21swapper/108:50:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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