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2026-03-12 - 19:11
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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 Thu Mar 12, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
129421530,5sleep11194899cyclictest10:15:011
3892770,5sleep10-21swapper/107:55:121
134491660,27ptp4l0-21swapper/007:30:260
325202650,4sleep10-21swapper/107:55:001
134491630,4ptp4l24532-21cat08:45:211
134491620,5ptp4l0-21swapper/108:16:581
134491610,5ptp4l0-21swapper/107:07:411
134491610,3ptp4l24587-21apt-get12:15:101
134491590,4ptp4l0-21swapper/207:15:162
134491590,3ptp4l0-21swapper/111:41:211
134491590,3ptp4l0-21swapper/111:41:211
134491570,3ptp4l0-21swapper/209:10:002
134491570,3ptp4l0-21swapper/109:00:201
134491570,3ptp4l0-21swapper/107:41:211
134491560,4ptp4l0-21swapper/110:10:191
134491560,4ptp4l0-21swapper/110:05:021
134491560,3ptp4l0-21swapper/309:13:273
134491560,3ptp4l0-21swapper/110:49:081
134491560,3ptp4l0-21swapper/108:55:291
134491560,3ptp4l0-21swapper/108:05:491
134491560,3ptp4l0-21swapper/011:25:220
134491560,3ptp4l0-21swapper/010:39:490
134491560,3ptp4l0-21swapper/008:50:210
134491550,4ptp4l0-21swapper/111:07:571
134491550,4ptp4l0-21swapper/110:35:591
134491550,4ptp4l0-21swapper/110:00:131
134491550,3ptp4l0-21swapper/111:35:401
134491550,3ptp4l0-21swapper/007:50:220
134491540,3ptp4l0-21swapper/007:46:470
134491530,3ptp4l0-21swapper/107:25:181
134491520,4ptp4l0-21swapper/112:02:381
134491520,3ptp4l0-21swapper/110:53:351
134491520,10ptp4l9824-21df07:05:122
134491510,9ptp4l9615-21apt-get07:05:113
134491510,4ptp4l0-21swapper/211:33:072
134491510,3ptp4l0-21swapper/109:40:351
134491510,3ptp4l0-21swapper/109:40:351
134491500,4ptp4l0-21swapper/312:06:193
134491500,4ptp4l0-21swapper/111:47:051
134491500,4ptp4l0-21swapper/111:31:551
134491500,4ptp4l0-21swapper/111:21:491
134491500,4ptp4l0-21swapper/110:40:091
134491500,4ptp4l0-21swapper/109:51:191
134491500,3ptp4l0-21swapper/109:24:281
134491490,4ptp4l0-21swapper/112:33:501
134491490,4ptp4l0-21swapper/111:52:131
134491490,4ptp4l0-21swapper/109:29:581
134491490,4ptp4l0-21swapper/108:51:401
134491490,4ptp4l0-21swapper/011:06:280
134491490,4ptp4l0-21swapper/008:24:470
134491480,4ptp4l0-21swapper/312:36:243
134491480,4ptp4l0-21swapper/309:50:533
134491480,4ptp4l0-21swapper/108:41:181
134491480,4ptp4l0-21swapper/108:35:081
134491480,4ptp4l0-21swapper/012:22:430
134491480,4ptp4l0-21swapper/010:16:390
134491480,4ptp4l0-21swapper/009:57:250
134491480,3ptp4l0-21swapper/112:05:141
134491480,3ptp4l0-21swapper/109:48:371
134491480,10ptp4l0-21swapper/010:33:030
11950994841,4cyclictest11357-21sed11:45:173
134491470,6ptp4l1850-21ls07:55:260
134491470,6ptp4l0-21swapper/007:07:000
134491470,4ptp4l0-21swapper/207:33:002
134491470,4ptp4l0-21swapper/112:28:511
134491470,4ptp4l0-21swapper/112:12:301
134491470,4ptp4l0-21swapper/108:27:161
134491470,4ptp4l0-21swapper/108:27:161
134491470,4ptp4l0-21swapper/010:52:270
134491470,3ptp4l0-21swapper/109:32:471
134491470,3ptp4l0-21swapper/011:58:440
134491470,3ptp4l0-21swapper/008:42:360
134491460,4ptp4l0-21swapper/307:34:253
134491460,4ptp4l0-21swapper/209:05:352
134491460,4ptp4l0-21swapper/207:59:322
134491460,4ptp4l0-21swapper/207:21:272
134491460,4ptp4l0-21swapper/207:21:272
134491460,4ptp4l0-21swapper/009:47:020
134491460,3ptp4l0-21swapper/109:35:121
134491460,3ptp4l0-21swapper/108:32:321
134491460,3ptp4l0-21swapper/012:37:360
134491460,3ptp4l0-21swapper/007:10:060
134491460,12ptp4l0-21swapper/208:45:162
134491450,4ptp4l0-21swapper/112:38:591
134491450,10ptp4l0-21swapper/207:43:362
134491440,9ptp4l0-21swapper/208:57:502
134491440,9ptp4l0-21swapper/207:29:262
134491440,4ptp4l0-21swapper/208:01:342
134491440,4ptp4l0-21swapper/108:20:501
134491440,3ptp4l0-21swapper/211:40:532
134491440,3ptp4l0-21swapper/211:40:532
134491440,3ptp4l0-21swapper/210:15:202
134491440,3ptp4l0-21swapper/111:28:141
134491430,5ptp4l3810-21sed12:40:002
134491430,4ptp4l6167-21apt-get11:35:113
134491430,3ptp4l0-21swapper/310:28:023
134491430,3ptp4l0-21swapper/210:02:292
134491430,3ptp4l0-21swapper/209:48:282
134491430,3ptp4l0-21swapper/111:03:531
134491420,9ptp4l0-21swapper/211:16:072
134491420,8ptp4l0-21swapper/209:18:502
134491420,5ptp4l24495-21irqstats08:45:200
134491420,5ptp4l0-21swapper/307:55:213
134491420,5ptp4l0-21swapper/109:10:131
134491420,4ptp4l5684-21diskstats09:15:133
134491420,4ptp4l0-21swapper/009:04:230
134491420,3ptp4l0-21swapper/111:10:231
134691410,10getstats0-21swapper/308:27:183
134691410,10getstats0-21swapper/308:27:183
134491410,9ptp4l0-21swapper/209:59:332
134491410,7ptp4l0-21swapper/009:54:150
134491410,6ptp4l6453-21ntp_kernel_err09:15:200
134491410,5ptp4l4676-21memory10:20:210
134491410,5ptp4l4676-21memory10:20:210
134491410,5ptp4l14586-21diskstats07:15:141
134491410,5ptp4l0-21swapper/012:15:120
134491410,5ptp4l0-21swapper/008:00:270
134491410,4ptp4l21709-21users10:55:281
134491410,4ptp4l21620-21hddtemp_smartct07:30:161
134491410,4ptp4l21116-21ntp_states12:05:230
134491410,4ptp4l15446-21apt-get10:45:132
134491410,4ptp4l0-21swapper/211:35:112
134491410,4ptp4l0-21swapper/208:10:292
134491410,4ptp4l0-21swapper/207:38:502
134491410,4ptp4l0-21swapper/108:04:321
134491410,4ptp4l0-21swapper/009:30:100
134491410,3ptp4l6016-21apt-get10:25:121
134491410,3ptp4l28297-21apt-get08:55:120
134491410,3ptp4l15384-21apt-get11:55:141
134491410,3ptp4l121rcu_preempt10:25:460
134491410,12ptp4l0-21swapper/208:31:372
134491410,10ptp4l25-21ksoftirqd/108:11:441
11950994135,3cyclictest19745-21fschecks_count09:45:153
11949994124,4cyclictest33-21ksoftirqd/208:35:222
134491400,5ptp4l31557-21/usr/sbin/munin10:10:140
134491400,5ptp4l0-21swapper/211:25:132
134491400,5ptp4l0-21swapper/009:05:130
134491400,4ptp4l7275-21/usr/sbin/munin11:35:220
134491400,4ptp4l7218-21apt-config08:10:000
134491400,4ptp4l3810-21/usr/sbin/munin10:20:131
134491400,4ptp4l3810-21/usr/sbin/munin10:20:131
134491400,4ptp4l14267-21ntp_states10:40:210
134491400,4ptp4l13292-21df11:50:120
134491400,4ptp4l11982-21apt-get07:10:111
134491400,4ptp4l1194999cyclictest10:23:052
134491400,4ptp4l1194999cyclictest10:23:052
134491400,4ptp4l11329-21ntp_states09:25:220
134491400,4ptp4l0-21swapper/311:55:303
134491400,4ptp4l0-21swapper/311:40:153
134491400,4ptp4l0-21swapper/311:40:153
134491400,4ptp4l0-21swapper/311:24:083
134491400,4ptp4l0-21swapper/311:07:283
134491400,4ptp4l0-21swapper/311:04:593
134491400,4ptp4l0-21swapper/310:54:113
134491400,4ptp4l0-21swapper/309:06:493
134491400,4ptp4l0-21swapper/308:57:523
134491400,4ptp4l0-21swapper/307:20:153
134491400,4ptp4l0-21swapper/307:20:153
134491400,4ptp4l0-21swapper/212:32:132
134491400,4ptp4l0-21swapper/212:27:132
134491400,4ptp4l0-21swapper/211:45:372
134491400,4ptp4l0-21swapper/210:55:272
134491400,4ptp4l0-21swapper/210:52:582
134491400,4ptp4l0-21swapper/209:22:582
134491400,4ptp4l0-21swapper/208:50:062
134491400,4ptp4l0-21swapper/208:26:002
134491400,4ptp4l0-21swapper/208:26:002
134491400,4ptp4l0-21swapper/208:16:052
134491400,4ptp4l0-21swapper/208:05:222
134491400,4ptp4l0-21swapper/010:02:320
134491400,3ptp4l8460-21ls08:10:200
134491400,3ptp4l602-21ls11:20:260
134491400,3ptp4l28939-21apt-get10:05:110
134491400,3ptp4l17612-21ls07:20:190
134491400,3ptp4l17612-21ls07:20:190
134491400,3ptp4l15225-21meminfo07:15:180
134491400,3ptp4l0-21swapper/209:03:382
134491400,2ptp4l101ktimersoftd/012:10:110
11950994035,3cyclictest41-21ksoftirqd/308:20:003
11947994035,3cyclictest9-21ksoftirqd/007:30:000
134491390,5ptp4l0-21swapper/312:20:133
134491390,5ptp4l0-21swapper/312:15:243
134491390,5ptp4l0-21swapper/308:03:163
134491390,5ptp4l0-21swapper/207:50:242
134491390,5ptp4l0-21swapper/008:25:200
134491390,5ptp4l0-21swapper/008:25:200
134491390,4ptp4l15928-21ntp_states09:35:223
134491390,4ptp4l11083-21df_inode11:45:130
134491390,4ptp4l0-21swapper/312:30:453
134491390,4ptp4l0-21swapper/310:43:033
134491390,4ptp4l0-21swapper/310:33:213
134491390,4ptp4l0-21swapper/308:42:523
134491390,4ptp4l0-21swapper/308:20:053
134491390,4ptp4l0-21swapper/308:05:223
134491390,4ptp4l0-21swapper/307:48:553
134491390,4ptp4l0-21swapper/307:35:213
134491390,4ptp4l0-21swapper/212:25:012
134491390,4ptp4l0-21swapper/212:19:192
134491390,4ptp4l0-21swapper/212:12:162
134491390,4ptp4l0-21swapper/212:04:352
134491390,4ptp4l0-21swapper/211:58:392
134491390,4ptp4l0-21swapper/211:20:312
134491390,4ptp4l0-21swapper/211:10:592
134491390,4ptp4l0-21swapper/211:09:062
134491390,4ptp4l0-21swapper/210:44:192
134491390,4ptp4l0-21swapper/210:38:532
134491390,4ptp4l0-21swapper/210:07:252
134491390,4ptp4l0-21swapper/209:50:352
134491390,4ptp4l0-21swapper/209:42:172
134491390,4ptp4l0-21swapper/209:42:162
134491390,4ptp4l0-21swapper/209:35:212
134491390,4ptp4l0-21swapper/209:34:562
134491390,4ptp4l0-21swapper/209:29:092
134491390,4ptp4l0-21swapper/207:46:182
134491390,4ptp4l0-21swapper/112:20:011
134491390,4ptp4l0-21swapper/109:55:171
134491390,4ptp4l0-21swapper/107:35:151
134491390,4ptp4l0-21swapper/012:00:120
134491390,4ptp4l0-21swapper/011:30:160
134491390,4ptp4l0-21swapper/011:15:200
134491390,4ptp4l0-21swapper/011:02:530
134491390,4ptp4l0-21swapper/010:57:050
134491390,4ptp4l0-21swapper/010:48:130
134491390,4ptp4l0-21swapper/009:40:190
134491390,4ptp4l0-21swapper/009:40:180
134491390,4ptp4l0-21swapper/009:35:260
134491390,4ptp4l0-21swapper/009:20:140
134491390,4ptp4l0-21swapper/009:12:580
134491390,4ptp4l0-21swapper/007:35:130
134491390,3ptp4l9421-21ls11:40:190
134491390,3ptp4l9421-21ls11:40:190
134491390,3ptp4l31949-21ls07:50:263
134491390,3ptp4l20152-21ntp_states08:35:220
134491390,3ptp4l17580-21irqstats08:30:160
134491390,3ptp4l17544-21meminfo07:20:191
134491390,3ptp4l17544-21meminfo07:20:191
134491390,3ptp4l10772-21meminfo08:15:210
1195099391,5cyclictest20158-21ntp_states08:35:223
11947993934,3cyclictest9-21ksoftirqd/011:15:000
134491380,4ptp4l0-21swapper/312:11:553
134491380,4ptp4l0-21swapper/311:52:473
134491380,4ptp4l0-21swapper/311:17:253
134491380,4ptp4l0-21swapper/311:10:503
134491380,4ptp4l0-21swapper/310:55:263
134491380,4ptp4l0-21swapper/310:15:213
134491380,4ptp4l0-21swapper/310:09:273
134491380,4ptp4l0-21swapper/309:04:143
134491380,4ptp4l0-21swapper/308:53:593
134491380,4ptp4l0-21swapper/211:51:582
134491380,4ptp4l0-21swapper/211:00:162
134491380,4ptp4l0-21swapper/210:30:462
134491380,4ptp4l0-21swapper/210:27:592
134491380,4ptp4l0-21swapper/208:40:062
134491380,4ptp4l0-21swapper/207:12:572
134491380,4ptp4l0-21swapper/111:15:271
134491380,4ptp4l0-21swapper/110:30:121
134491380,4ptp4l0-21swapper/109:15:221
134491380,4ptp4l0-21swapper/109:05:191
134491380,3ptp4l0-21swapper/312:27:143
134491380,3ptp4l0-21swapper/312:03:063
134491380,3ptp4l0-21swapper/310:20:523
134491380,3ptp4l0-21swapper/310:20:523
134491380,3ptp4l0-21swapper/212:06:322
134491380,3ptp4l0-21swapper/107:45:311
134491380,3ptp4l0-21swapper/007:40:270
134491380,10ptp4l0-21swapper/310:04:023
11949993832,4cyclictest33-21ksoftirqd/210:10:372
134491370,5ptp4l0-21swapper/311:30:113
134491370,4ptp4l0-21swapper/310:45:133
134491370,4ptp4l0-21swapper/309:34:563
134491370,4ptp4l0-21swapper/308:46:333
134491370,4ptp4l0-21swapper/307:41:063
134491370,4ptp4l0-21swapper/307:17:293
134491370,4ptp4l0-21swapper/012:30:120
134491370,3ptp4l0-21swapper/311:28:213
134491370,3ptp4l0-21swapper/310:36:093
134491370,3ptp4l0-21swapper/309:55:313
134491370,3ptp4l0-21swapper/309:43:593
134491370,3ptp4l0-21swapper/309:43:593
134491370,3ptp4l0-21swapper/309:28:553
134491370,3ptp4l0-21swapper/309:20:283
134491370,3ptp4l0-21swapper/308:30:473
134491370,3ptp4l0-21swapper/012:25:150
134491360,4ptp4l0-21swapper/308:12:443
134491360,3ptp4l0-21swapper/310:10:253
134491360,3ptp4l0-21swapper/208:21:082
134491320,3ptp4l0-21swapper/307:28:273
134491270,4ptp4l0-21swapper/307:14:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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