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2025-07-14 - 21:30
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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 Jul 14, 2025 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1541422530,6sleep20-21swapper/207:05:352
1541422530,6sleep20-21swapper/207:05:352
3213522360,5sleep332111-21sh07:06:193
3213522360,5sleep332111-21sh07:06:193
3161622230,3sleep00-21swapper/007:08:220
3161622230,3sleep00-21swapper/007:08:210
40522020,5sleep1241ktimersoftd/107:09:551
40522020,5sleep1241ktimersoftd/107:09:551
92552970,5sleep00-21swapper/011:15:540
210902820,5sleep00-21swapper/008:15:210
2847191640,22ptp4l17729-21cut08:10:010
2847191630,5ptp4l0-21swapper/110:00:151
2847191630,5ptp4l0-21swapper/110:00:151
2847191610,4ptp4l32456-21apt-get11:00:011
2847191610,4ptp4l25783-21iostat09:35:180
2847191610,4ptp4l0-21swapper/112:36:181
2847191610,3ptp4l6212-21apt-get07:45:152
2847191600,4ptp4l0-21swapper/111:05:281
2847191590,5ptp4l0-21swapper/107:10:511
2847191580,4ptp4l0-21swapper/207:10:302
2847191580,4ptp4l0-21swapper/111:55:261
2847191580,3ptp4l0-21swapper/210:07:372
2847191580,3ptp4l0-21swapper/209:01:422
2847191580,3ptp4l0-21swapper/209:01:422
2847191580,2ptp4l30063-21ls07:25:241
2847191570,5ptp4l0-21swapper/008:40:160
2847191570,4ptp4l0-21swapper/309:02:503
2847191570,4ptp4l0-21swapper/309:02:503
2847191570,3ptp4l0-21swapper/310:25:283
2847191570,3ptp4l0-21swapper/010:45:170
2847191560,4ptp4l16393-21wc07:11:050
2847191560,3ptp4l0-21swapper/311:48:043
2847191550,5ptp4l0-21swapper/209:05:232
2847191550,3ptp4l0-21swapper/111:28:131
2847191540,5ptp4l0-21swapper/309:45:183
2847191540,4ptp4l0-21swapper/112:05:181
2847191540,4ptp4l0-21swapper/108:34:581
2847191540,4ptp4l0-21swapper/108:34:581
2847191540,4ptp4l0-21swapper/108:11:081
2847191540,3ptp4l0-21swapper/308:59:023
2847191540,3ptp4l0-21swapper/110:45:261
2847191540,3ptp4l0-21swapper/009:43:140
2847191530,4ptp4l0-21swapper/309:06:293
2847191530,4ptp4l0-21swapper/011:54:460
2847191530,3ptp4l0-21swapper/109:00:181
2847191530,3ptp4l0-21swapper/109:00:181
2847191520,4ptp4l0-21swapper/309:12:583
2847191520,4ptp4l0-21swapper/308:45:363
2847191520,4ptp4l0-21swapper/108:00:191
2847191510,5ptp4l0-21swapper/309:15:323
2847191510,4ptp4l0-21swapper/307:18:423
2847191510,4ptp4l0-21swapper/111:36:571
2847191510,4ptp4l0-21swapper/110:50:291
2847191510,4ptp4l0-21swapper/109:30:041
2847191510,3ptp4l0-21swapper/111:41:151
2847191510,3ptp4l0-21swapper/107:15:491
305022500,5sleep3540999cyclictest07:10:393
2847191500,4ptp4l0-21swapper/311:06:173
2847191500,4ptp4l0-21swapper/308:52:183
2847191500,4ptp4l0-21swapper/112:00:011
2847191500,4ptp4l0-21swapper/109:10:121
2847191500,3ptp4l0-21swapper/110:25:321
2847191500,3ptp4l0-21swapper/109:40:301
2847191490,9ptp4l0-21swapper/210:32:202
2847191490,4ptp4l0-21swapper/312:14:233
2847191490,4ptp4l0-21swapper/107:56:551
2847191490,4ptp4l0-21swapper/107:49:511
2847191490,4ptp4l0-21swapper/012:28:480
2847191490,3ptp4l0-21swapper/109:23:231
2847191480,4ptp4l0-21swapper/012:22:110
2847191480,4ptp4l0-21swapper/007:40:030
2847191480,3ptp4l0-21swapper/310:24:413
2847191480,3ptp4l0-21swapper/307:42:363
2847191480,3ptp4l0-21swapper/012:32:320
2847191480,3ptp4l0-21swapper/012:05:250
2847191480,14ptp4l0-21swapper/211:55:172
2847191470,4ptp4l0-21swapper/310:54:433
2847191470,3ptp4l0-21swapper/112:11:471
2847191470,3ptp4l0-21swapper/109:53:221
2847191470,3ptp4l0-21swapper/007:15:570
2847191460,5ptp4l1515-21apt-get07:35:153
2847191460,4ptp4l0-21swapper/309:27:143
2847191460,4ptp4l0-21swapper/111:17:131
2847191460,14ptp4l8160-21open_files10:05:250
2849491450,12getstats0-21swapper/111:21:311
2847191450,5ptp4l30177-21irqstats08:35:230
2847191450,4ptp4l23718-21ls09:30:253
2847191450,3ptp4l0-21swapper/110:58:431
2847191450,3ptp4l0-21swapper/012:15:420
2847191450,3ptp4l0-21swapper/012:00:180
2847191450,10ptp4l0-21swapper/212:09:192
2847191450,10ptp4l0-21swapper/209:15:362
2847191440,3ptp4l23422-21apt-get10:40:123
2847191440,3ptp4l17763-21apt-get08:10:153
2847191440,3ptp4l14443-21mailstats08:00:250
2847191440,3ptp4l0-21swapper/007:50:190
2847191440,11ptp4l0-21swapper/312:15:363
2847191430,9ptp4l0-21swapper/212:30:382
2847191430,9ptp4l0-21swapper/211:37:522
2847191430,5ptp4l30664-21diskstats10:55:170
2847191430,5ptp4l16800-21diskstats10:25:180
2847191430,5ptp4l0-21swapper/009:00:290
2847191430,5ptp4l0-21swapper/009:00:290
2847191430,4ptp4l30697-21irqstats09:45:190
2847191430,4ptp4l28618-21iostat_ios10:50:190
2847191430,4ptp4l0-21swapper/308:44:083
2847191430,4ptp4l0-21swapper/007:21:190
2847191430,3ptp4l21833-21apt-get11:45:132
2847191430,3ptp4l14490-21diskstats10:20:141
2847191430,3ptp4l1293-21snmpd12:20:491
2847191430,3ptp4l0-21swapper/108:28:201
2847191430,3ptp4l0-21swapper/107:30:341
2847191420,9ptp4l0-21swapper/207:50:522
2847191420,5ptp4l0-21swapper/112:30:201
2847191420,5ptp4l0-21swapper/009:25:230
2847191420,5ptp4l0-21swapper/008:45:180
2847191420,5ptp4l0-21swapper/008:25:210
2847191420,4ptp4l2376-21apt-get09:55:131
2847191420,4ptp4l23128-21hddtemp_smartct09:30:200
2847191420,4ptp4l20384-21apt-get09:25:162
2847191420,4ptp4l0-21swapper/011:45:150
540699411,2cyclictest121rcu_preempt12:35:190
2847191410,5ptp4l27021-21iostat11:55:190
2847191410,5ptp4l16812-21python08:05:271
2847191410,5ptp4l0-21swapper/110:05:161
2847191410,4ptp4l6709-21meminfo12:20:222
2847191410,4ptp4l563-21iostat_ios09:50:200
2847191410,4ptp4l540899cyclictest10:25:272
2847191410,4ptp4l30801-21meminfo09:45:201
2847191410,4ptp4l22607-21df08:20:141
2847191410,4ptp4l11256-21fschecks_count09:05:181
2847191410,4ptp4l11027-21meminfo11:20:240
2847191410,4ptp4l0-21swapper/309:57:273
2847191410,4ptp4l0-21swapper/209:10:282
2847191410,4ptp4l0-21swapper/208:57:002
2847191410,4ptp4l0-21swapper/112:25:171
2847191410,4ptp4l0-21swapper/011:44:440
2847191410,4ptp4l0-21swapper/011:35:230
2847191410,3ptp4l837-21diskstats11:00:162
2847191410,3ptp4l31608-21apt-get07:30:113
2847191410,3ptp4l2617-21ls12:10:310
2847191410,3ptp4l25168-21ls11:50:223
2847191410,3ptp4l23251-21irqstats08:20:190
2847191410,3ptp4l22268-21hddtemp_smartct11:45:171
2849491400,10getstats0-21swapper/112:15:251
2847191400,5ptp4l0-21swapper/311:37:463
2847191400,5ptp4l0-21swapper/310:10:463
2847191400,5ptp4l0-21swapper/310:00:273
2847191400,5ptp4l0-21swapper/310:00:273
2847191400,5ptp4l0-21swapper/209:58:222
2847191400,5ptp4l0-21swapper/110:15:011
2847191400,5ptp4l0-21swapper/110:10:181
2847191400,5ptp4l0-21swapper/109:35:151
2847191400,5ptp4l0-21swapper/011:03:220
2847191400,4ptp4l4181-21df08:50:171
2847191400,4ptp4l31809-21cstates07:30:130
2847191400,4ptp4l0-21swapper/312:20:153
2847191400,4ptp4l0-21swapper/311:10:213
2847191400,4ptp4l0-21swapper/310:35:193
2847191400,4ptp4l0-21swapper/310:30:163
2847191400,4ptp4l0-21swapper/308:16:083
2847191400,4ptp4l0-21swapper/307:55:233
2847191400,4ptp4l0-21swapper/212:15:262
2847191400,4ptp4l0-21swapper/211:16:242
2847191400,4ptp4l0-21swapper/210:52:092
2847191400,4ptp4l0-21swapper/210:17:242
2847191400,4ptp4l0-21swapper/210:11:012
2847191400,4ptp4l0-21swapper/209:46:382
2847191400,4ptp4l0-21swapper/209:42:442
2847191400,4ptp4l0-21swapper/209:20:222
2847191400,4ptp4l0-21swapper/208:00:562
2847191400,4ptp4l0-21swapper/111:32:151
2847191400,4ptp4l0-21swapper/110:40:181
2847191400,4ptp4l0-21swapper/011:10:190
2847191400,4ptp4l0-21swapper/010:39:000
2847191400,4ptp4l0-21swapper/010:30:200
2847191400,4ptp4l0-21swapper/010:15:170
2847191400,4ptp4l0-21swapper/009:11:520
2847191400,4ptp4l0-21swapper/009:07:500
2847191400,4ptp4l0-21swapper/008:54:260
2847191400,4ptp4l0-21swapper/008:10:310
2847191400,4ptp4l0-21swapper/007:25:180
2847191400,3ptp4l6494-21df08:55:150
2847191400,3ptp4l6395-21users10:00:290
2847191400,3ptp4l6395-21users10:00:290
2847191400,3ptp4l540899cyclictest08:45:102
2847191400,3ptp4l27330-21diskstats08:30:170
2847191400,3ptp4l27330-21diskstats08:30:170
2847191400,3ptp4l27050-21iostat_ios07:20:231
2847191400,3ptp4l2697-21diskstats09:55:150
2847191400,3ptp4l24001-21iostat_ios10:40:190
2847191400,3ptp4l20272-21df08:15:141
2847191400,3ptp4l18060-21/usr/sbin/munin09:20:163
2847191400,3ptp4l15117-21hddtemp_smartct11:30:170
2847191400,2ptp4l24142-21apt-get11:50:142
2847191390,5ptp4l0-21swapper/311:55:143
2847191390,5ptp4l0-21swapper/208:41:352
2847191390,5ptp4l0-21swapper/011:05:190
2847191390,5ptp4l0-21swapper/007:55:110
2847191390,4ptp4l9913-21iostat_ios10:10:200
2847191390,4ptp4l540999cyclictest07:25:533
2847191390,4ptp4l16153-21fschecks_time09:15:170
2847191390,4ptp4l0-21swapper/312:31:553
2847191390,4ptp4l0-21swapper/310:07:063
2847191390,4ptp4l0-21swapper/309:50:183
2847191390,4ptp4l0-21swapper/309:43:553
2847191390,4ptp4l0-21swapper/309:35:193
2847191390,4ptp4l0-21swapper/308:26:193
2847191390,4ptp4l0-21swapper/308:21:143
2847191390,4ptp4l0-21swapper/212:37:242
2847191390,4ptp4l0-21swapper/212:12:292
2847191390,4ptp4l0-21swapper/211:40:592
2847191390,4ptp4l0-21swapper/211:21:152
2847191390,4ptp4l0-21swapper/211:11:472
2847191390,4ptp4l0-21swapper/211:05:372
2847191390,4ptp4l0-21swapper/210:55:462
2847191390,4ptp4l0-21swapper/210:46:502
2847191390,4ptp4l0-21swapper/210:43:072
2847191390,4ptp4l0-21swapper/210:35:322
2847191390,4ptp4l0-21swapper/210:20:282
2847191390,4ptp4l0-21swapper/209:50:002
2847191390,4ptp4l0-21swapper/209:36:142
2847191390,4ptp4l0-21swapper/209:32:482
2847191390,4ptp4l0-21swapper/208:51:302
2847191390,4ptp4l0-21swapper/208:38:142
2847191390,4ptp4l0-21swapper/208:30:422
2847191390,4ptp4l0-21swapper/208:30:422
2847191390,4ptp4l0-21swapper/208:19:222
2847191390,4ptp4l0-21swapper/208:08:002
2847191390,4ptp4l0-21swapper/207:40:112
2847191390,4ptp4l0-21swapper/207:35:132
2847191390,4ptp4l0-21swapper/207:32:092
2847191390,4ptp4l0-21swapper/207:27:432
2847191390,4ptp4l0-21swapper/207:21:302
2847191390,4ptp4l0-21swapper/207:19:362
2847191390,4ptp4l0-21swapper/111:50:421
2847191390,4ptp4l0-21swapper/111:10:241
2847191390,4ptp4l0-21swapper/110:35:271
2847191390,4ptp4l0-21swapper/108:49:181
2847191390,4ptp4l0-21swapper/107:50:201
2847191390,4ptp4l0-21swapper/107:39:501
2847191390,4ptp4l0-21swapper/009:20:190
2847191390,4ptp4l0-21swapper/007:45:230
2847191390,4ptp4l0-21swapper/007:36:200
2847191390,3ptp4l29535-21chrt08:35:193
2847191390,3ptp4l0-21swapper/311:30:053
2847191390,3ptp4l0-21swapper/307:46:523
2847191390,3ptp4l0-21swapper/211:31:222
2847191390,3ptp4l0-21swapper/208:21:292
2847191390,3ptp4l0-21swapper/108:55:171
2847191390,2ptp4l30375-21strings08:35:271
2847191380,5ptp4l0-21swapper/011:25:210
2847191380,4ptp4l1293-21snmpd11:28:413
2847191380,4ptp4l0-21swapper/312:25:143
2847191380,4ptp4l0-21swapper/311:18:143
2847191380,4ptp4l0-21swapper/310:55:473
2847191380,4ptp4l0-21swapper/308:31:293
2847191380,4ptp4l0-21swapper/308:31:283
2847191380,4ptp4l0-21swapper/308:07:363
2847191380,4ptp4l0-21swapper/308:04:293
2847191380,4ptp4l0-21swapper/307:52:533
2847191380,4ptp4l0-21swapper/211:25:562
2847191380,4ptp4l0-21swapper/208:27:202
2847191380,4ptp4l0-21swapper/208:10:162
2847191380,4ptp4l0-21swapper/207:55:252
2847191380,4ptp4l0-21swapper/110:34:511
2847191380,4ptp4l0-21swapper/010:20:110
2847191380,3ptp4l0-21swapper/310:15:073
2847191380,3ptp4l0-21swapper/307:21:583
2847191380,3ptp4l0-21swapper/210:01:412
2847191380,3ptp4l0-21swapper/210:01:412
2847191380,3ptp4l0-21swapper/109:26:021
2847191380,3ptp4l0-21swapper/109:15:161
2847191380,3ptp4l0-21swapper/108:40:041
2847191380,3ptp4l0-21swapper/107:40:191
2847191370,5ptp4l0-21swapper/212:25:132
2847191370,4ptp4l0-21swapper/312:38:373
2847191370,4ptp4l0-21swapper/312:00:563
2847191370,4ptp4l0-21swapper/311:40:353
2847191370,3ptp4l0-21swapper/312:05:033
2847191370,3ptp4l0-21swapper/311:23:273
2847191370,3ptp4l0-21swapper/311:00:173
2847191370,3ptp4l0-21swapper/310:45:413
2847191360,3ptp4l0-21swapper/212:00:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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