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2026-01-03 - 07:40
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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 Sat Jan 03, 2026 00:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4191997034,8cyclictest33-21ksoftirqd/223:55:252
134491630,4ptp4l0-21swapper/220:45:012
4190996131,8cyclictest25-21ksoftirqd/121:40:161
134491610,3ptp4l18286-21df19:40:140
4190996032,4cyclictest25-21ksoftirqd/120:50:181
4190996031,7cyclictest25-21ksoftirqd/123:34:591
4190996027,4cyclictest25-21ksoftirqd/121:04:201
4190996027,4cyclictest25-21ksoftirqd/119:52:481
4190995929,4cyclictest25-21ksoftirqd/100:30:211
134491590,4ptp4l0-21swapper/219:10:312
134491590,4ptp4l0-21swapper/119:55:141
134491590,4ptp4l0-21swapper/022:00:110
134491590,4ptp4l0-21swapper/022:00:110
419199583,16cyclictest17714-21sed23:05:192
4190995833,7cyclictest25-21ksoftirqd/100:09:271
4190995830,3cyclictest25-21ksoftirqd/121:17:451
4190995827,9cyclictest25-21ksoftirqd/123:29:591
4190995825,7cyclictest25-21ksoftirqd/123:52:111
4190995823,4cyclictest25-21ksoftirqd/120:03:021
134491580,4ptp4l0-21swapper/322:20:143
134491580,4ptp4l0-21swapper/022:59:460
134491580,4ptp4l0-21swapper/021:52:130
134491580,3ptp4l0-21swapper/222:20:182
134491580,3ptp4l0-21swapper/121:25:271
419199575,7cyclictest0-21swapper/223:50:172
419199574,6cyclictest0-21swapper/221:20:252
4190995728,3cyclictest25-21ksoftirqd/119:30:191
4190995727,4cyclictest25-21ksoftirqd/122:59:581
134491570,5ptp4l0-21swapper/020:30:150
134491570,4ptp4l5603-21df22:40:151
134491570,4ptp4l0-21swapper/219:31:382
134491570,4ptp4l0-21swapper/219:18:112
134491570,4ptp4l0-21swapper/020:20:230
134491570,4ptp4l0-21swapper/000:35:190
134491570,3ptp4l0-21swapper/121:20:141
134491570,3ptp4l0-21swapper/020:05:140
4190995627,7cyclictest25-21ksoftirqd/123:45:231
4190995627,4cyclictest25-21ksoftirqd/120:57:541
4190995626,4cyclictest25-21ksoftirqd/123:12:211
4190995622,4cyclictest25-21ksoftirqd/121:09:161
4190995620,4cyclictest25-21ksoftirqd/122:35:261
4190995620,4cyclictest25-21ksoftirqd/122:35:261
4190995617,8cyclictest25-21ksoftirqd/123:20:261
134491560,4ptp4l0-21swapper/119:05:161
134491560,3ptp4l0-21swapper/019:10:140
419199555,7cyclictest0-21swapper/222:11:252
419199555,7cyclictest0-21swapper/200:35:262
419199555,6cyclictest0-21swapper/222:50:162
419199555,6cyclictest0-21swapper/220:20:282
4190995529,4cyclictest25-21ksoftirqd/123:44:121
4190995527,8cyclictest25-21ksoftirqd/100:00:281
4190995526,4cyclictest25-21ksoftirqd/121:50:541
4190995526,3cyclictest25-21ksoftirqd/100:12:321
4190995525,3cyclictest25-21ksoftirqd/100:15:171
4190995522,8cyclictest25-21ksoftirqd/120:05:251
4190995522,3cyclictest25-21ksoftirqd/121:35:251
4190995520,8cyclictest25-21ksoftirqd/120:35:241
4190995515,7cyclictest25-21ksoftirqd/121:10:261
134491550,3ptp4l9283-21hddtemp_smartct19:20:200
134491550,3ptp4l0-21swapper/019:05:270
419199545,6cyclictest0-21swapper/222:30:232
419199545,6cyclictest0-21swapper/221:55:172
419199545,6cyclictest0-21swapper/221:40:152
419199545,6cyclictest0-21swapper/221:05:202
419199545,10cyclictest0-21swapper/219:25:242
419199544,7cyclictest0-21swapper/222:55:162
419199544,6cyclictest0-21swapper/223:10:232
419199544,6cyclictest0-21swapper/221:15:172
4191995434,12cyclictest33-21ksoftirqd/221:55:002
4190995426,7cyclictest25-21ksoftirqd/123:59:091
4190995425,3cyclictest25-21ksoftirqd/123:00:071
4190995422,3cyclictest25-21ksoftirqd/119:23:491
4190995421,8cyclictest25-21ksoftirqd/100:20:291
4190995421,4cyclictest25-21ksoftirqd/119:25:201
4190995420,8cyclictest25-21ksoftirqd/122:20:231
134491540,4ptp4l0-21swapper/319:14:313
134491540,4ptp4l0-21swapper/021:40:210
134491540,3ptp4l0-21swapper/023:22:310
419199538,11cyclictest0-21swapper/200:05:162
419199538,10cyclictest0-21swapper/200:10:242
419199536,7cyclictest0-21swapper/220:44:292
419199535,6cyclictest0-21swapper/223:20:242
419199535,5cyclictest0-21swapper/200:15:182
419199534,6cyclictest0-21swapper/222:05:232
419199534,6cyclictest0-21swapper/219:50:272
419199534,11cyclictest0-21swapper/221:45:122
419199532,31cyclictest0-21swapper/221:26:052
4190995329,7cyclictest25-21ksoftirqd/122:02:501
4190995329,7cyclictest25-21ksoftirqd/122:02:491
4190995326,6cyclictest25-21ksoftirqd/119:15:181
4190995321,4cyclictest25-21ksoftirqd/122:54:191
4190995315,8cyclictest25-21ksoftirqd/122:45:191
134491530,4ptp4l0-21swapper/322:51:573
134491530,3ptp4l0-21swapper/021:25:270
134491530,3ptp4l0-21swapper/020:50:110
134491530,12ptp4l0-21swapper/000:30:290
419199525,6cyclictest0-21swapper/222:40:172
419199525,6cyclictest0-21swapper/219:20:322
419199525,11cyclictest0-21swapper/222:15:102
419199524,6cyclictest0-21swapper/220:05:252
419199524,5cyclictest0-21swapper/222:25:242
419199524,10cyclictest0-21swapper/219:55:212
419199523,7cyclictest31983-21wc23:35:222
419199521,6cyclictest3796-21cut22:35:192
419199521,6cyclictest3796-21cut22:35:192
4190995224,7cyclictest25-21ksoftirqd/122:30:131
4190995224,4cyclictest25-21ksoftirqd/121:55:591
4190995223,7cyclictest25-21ksoftirqd/119:10:261
4190995223,3cyclictest25-21ksoftirqd/122:13:331
4190995218,6cyclictest25-21ksoftirqd/122:15:271
4190995216,7cyclictest25-21ksoftirqd/121:30:231
4190995214,6cyclictest25-21ksoftirqd/122:25:261
134491520,3ptp4l0-21swapper/019:45:290
419199514,7cyclictest0-21swapper/200:25:242
419199514,11cyclictest0-21swapper/223:15:282
4190995126,6cyclictest25-21ksoftirqd/122:08:411
4190995124,7cyclictest25-21ksoftirqd/120:19:111
4190995123,4cyclictest25-21ksoftirqd/123:05:151
4190995121,7cyclictest25-21ksoftirqd/121:45:251
4190995115,7cyclictest25-21ksoftirqd/123:40:001
134491510,4ptp4l418999cyclictest22:09:200
134491510,4ptp4l0-21swapper/322:59:523
134491510,17ptp4l9-21ksoftirqd/020:38:490
419199505,6cyclictest0-21swapper/220:29:082
419199503,6cyclictest0-21swapper/200:30:282
419199503,11cyclictest0-21swapper/219:35:182
419199500,7cyclictest33-21ksoftirqd/219:49:592
4190995023,7cyclictest25-21ksoftirqd/100:25:421
4190995020,3cyclictest25-21ksoftirqd/119:35:301
134491500,4ptp4l0-21swapper/321:52:363
134491500,3ptp4l0-21swapper/019:29:290
134491500,11ptp4l0-21swapper/323:54:113
419199493,10cyclictest0-21swapper/220:10:172
419199492,5cyclictest33-21ksoftirqd/220:15:302
4190994918,4cyclictest25-21ksoftirqd/120:27:251
134491490,4ptp4l0-21swapper/300:08:303
134491490,3ptp4l0-21swapper/020:43:160
134491490,11ptp4l0-21swapper/023:31:020
419199484,7cyclictest0-21swapper/223:49:532
419199482,6cyclictest0-21swapper/220:04:202
4191994825,8cyclictest33-21ksoftirqd/200:25:012
419199482,29cyclictest0-21swapper/223:03:012
4190994815,7cyclictest25-21ksoftirqd/100:35:251
134491480,4ptp4l0-21swapper/023:16:410
134491480,4ptp4l0-21swapper/022:35:030
134491480,4ptp4l0-21swapper/022:35:030
134491480,2ptp4l121rcu_preempt19:35:120
419199476,6cyclictest0-21swapper/220:36:172
419199475,6cyclictest0-21swapper/223:31:052
419199473,6cyclictest29891-21sed21:15:012
4190994715,7cyclictest25-21ksoftirqd/123:15:291
4190994714,7cyclictest25-21ksoftirqd/120:45:281
134491470,4ptp4l0-21swapper/023:41:140
134491470,4ptp4l0-21swapper/022:41:310
134491470,4ptp4l0-21swapper/021:56:300
134491470,4ptp4l0-21swapper/020:59:320
419199465,6cyclictest0-21swapper/222:04:402
419199465,6cyclictest0-21swapper/222:04:402
419199465,6cyclictest0-21swapper/221:32:302
419199465,5cyclictest0-21swapper/220:31:402
4190994617,6cyclictest25-21ksoftirqd/120:30:251
4190994615,5cyclictest25-21ksoftirqd/119:40:231
134491460,4ptp4l0-21swapper/020:03:260
134491460,4ptp4l0-21swapper/000:16:130
419199455,5cyclictest0-21swapper/220:50:582
419199454,5cyclictest0-21swapper/223:27:442
419199453,5cyclictest33-21ksoftirqd/221:35:152
134491450,4ptp4l0-21swapper/319:37:423
134491450,3ptp4l0-21swapper/021:38:340
46198440,33rtkit-daemon41-21ksoftirqd/323:45:183
4190994414,6cyclictest25-21ksoftirqd/119:45:251
419099441,2cyclictest121rcu_preempt20:10:501
134491440,7ptp4l401ktimersoftd/300:36:033
134491440,4ptp4l0-21swapper/020:28:530
134491440,3ptp4l0-21swapper/319:40:333
134491440,3ptp4l0-21swapper/023:26:270
134491440,3ptp4l0-21swapper/019:58:150
419199433,6cyclictest0-21swapper/222:45:262
419199433,6cyclictest0-21swapper/220:55:232
419099431,3cyclictest25-21ksoftirqd/120:20:271
134491430,9ptp4l0-21swapper/223:44:022
134491430,9ptp4l0-21swapper/221:04:342
134491430,4ptp4l0-21swapper/322:08:113
134491430,4ptp4l0-21swapper/023:03:360
134491430,3ptp4l0-21swapper/321:59:233
134491430,3ptp4l0-21swapper/022:50:340
134491430,3ptp4l0-21swapper/021:32:100
134491430,3ptp4l0-21swapper/020:15:060
134491430,10ptp4l0-21swapper/200:04:232
419099422,6cyclictest25-21ksoftirqd/120:40:151
134491420,9ptp4l0-21swapper/000:24:360
134491420,5ptp4l0-21swapper/000:10:190
134491420,4ptp4l3372-21diskstats22:35:153
134491420,4ptp4l3372-21diskstats22:35:153
134491420,4ptp4l23192-21ls00:25:200
134491420,4ptp4l121rcu_preempt00:30:303
134491420,4ptp4l0-21swapper/322:19:323
134491420,4ptp4l0-21swapper/023:37:270
134491420,3ptp4l22683-21apt-get19:50:140
419299415,6cyclictest134691getstats22:00:263
419299415,6cyclictest134691getstats22:00:263
419199415,5cyclictest0-21swapper/219:43:032
134491410,5ptp4l0-21swapper/322:30:273
134491410,5ptp4l0-21swapper/022:20:020
134491410,4ptp4l6735-21df19:15:160
134491410,4ptp4l30515-21perl21:15:163
134491410,4ptp4l1087-21ntpq21:20:223
134491410,3ptp4l7693-21apt-get22:45:120
134491400,9ptp4l0-21swapper/021:08:320
134491400,5ptp4l0-21swapper/021:15:140
134491400,4ptp4l1654-21memory22:30:210
134491400,4ptp4l0-21swapper/322:25:153
134491400,4ptp4l0-21swapper/022:25:020
134491400,4ptp4l0-21swapper/021:45:280
134491400,4ptp4l0-21swapper/020:45:000
134491400,3ptp4l28037-21df_inode21:10:140
134491400,3ptp4l14797-21python19:30:263
134491390,5ptp4l0-21swapper/323:01:383
134491390,5ptp4l0-21swapper/320:10:133
134491390,4ptp4l10438-21df00:00:150
134491390,4ptp4l0-21swapper/323:40:233
134491390,4ptp4l0-21swapper/322:49:343
134491390,4ptp4l0-21swapper/321:40:183
134491390,4ptp4l0-21swapper/320:30:203
134491390,4ptp4l0-21swapper/320:05:253
134491390,4ptp4l0-21swapper/300:26:503
134491390,4ptp4l0-21swapper/021:20:270
134491390,4ptp4l0-21swapper/021:00:290
134491390,4ptp4l0-21swapper/019:32:170
134491390,3ptp4l4731-21ls23:45:260
134491390,3ptp4l26532-21irqstats22:15:170
134491390,3ptp4l17492-21iostat_ios23:05:180
134491390,3ptp4l0-21swapper/000:05:010
134491380,4ptp4l19414-21cstates23:10:130
134491380,4ptp4l0-21swapper/322:41:023
134491380,4ptp4l0-21swapper/322:12:363
134491380,4ptp4l0-21swapper/321:39:063
134491380,4ptp4l0-21swapper/321:14:123
134491380,4ptp4l0-21swapper/321:03:353
134491380,4ptp4l0-21swapper/320:53:063
134491380,4ptp4l0-21swapper/320:25:303
134491380,4ptp4l0-21swapper/320:00:063
134491380,4ptp4l0-21swapper/319:46:343
134491380,4ptp4l0-21swapper/300:10:173
134491380,4ptp4l0-21swapper/023:57:520
134491380,4ptp4l0-21swapper/023:52:010
134491380,3ptp4l0-21swapper/321:45:163
134491380,3ptp4l0-21swapper/320:56:093
134491380,3ptp4l0-21swapper/320:46:323
134491380,3ptp4l0-21swapper/319:17:293
134491380,3ptp4l0-21swapper/022:10:210
134491380,3ptp4l0-21swapper/020:10:300
46198370,5rtkit-daemon0-21swapper/219:08:552
134491370,4ptp4l0-21swapper/323:34:213
134491370,4ptp4l0-21swapper/323:26:473
134491370,4ptp4l0-21swapper/321:30:283
134491370,4ptp4l0-21swapper/321:25:103
134491370,4ptp4l0-21swapper/321:07:103
134491370,4ptp4l0-21swapper/320:39:423
134491370,4ptp4l0-21swapper/320:21:363
134491370,4ptp4l0-21swapper/320:17:063
134491370,4ptp4l0-21swapper/319:53:383
134491370,4ptp4l0-21swapper/300:20:013
134491370,3ptp4l0-21swapper/319:29:253
134491370,3ptp4l0-21swapper/300:15:373
134491360,4ptp4l0-21swapper/323:36:353
134491360,4ptp4l0-21swapper/323:21:233
134491360,4ptp4l0-21swapper/300:01:163
134491360,3ptp4l0-21swapper/323:10:113
134491360,3ptp4l0-21swapper/320:42:303
134491360,3ptp4l0-21swapper/319:22:183
134491350,4ptp4l0-21swapper/323:05:303
134491350,3ptp4l0-21swapper/323:59:073
134491350,3ptp4l0-21swapper/323:16:293
134491350,3ptp4l0-21swapper/319:56:573
46198160,4rtkit-daemon0-21swapper/319:09:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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