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2026-08-28 - 01:17
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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 376 highest latencies:
System rackdslot3.osadl.org (updated Thu Aug 27, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34802207174,22sleep00-21swapper/007:08:020
139491207173,22phc2sys0-21swapper/307:06:013
33122203170,22sleep20-21swapper/207:05:502
34932201168,22sleep10-21swapper/107:08:111
1564421700,6sleep1407699cyclictest10:55:211
2558221390,3sleep0407599cyclictest11:15:260
1460021390,4sleep0407599cyclictest12:00:220
2566221270,5sleep3407899cyclictest09:00:253
120342620,7sleep2407799cyclictest09:40:202
139391570,1ptp4l18537-21ls08:45:253
139391530,1ptp4l401ktimersoftd/312:05:453
139391520,1ptp4l401ktimersoftd/310:18:553
139391520,1ptp4l401ktimersoftd/310:18:543
139391510,1ptp4l0-21swapper/308:01:433
4078994413,7cyclictest41-21ksoftirqd/307:15:003
4078994410,3cyclictest41-21ksoftirqd/309:20:003
139391430,0ptp4l401ktimersoftd/311:43:453
4078994213,4cyclictest41-21ksoftirqd/308:40:013
4078994211,7cyclictest41-21ksoftirqd/310:25:013
4077994236,3cyclictest207-21systemd-journal09:25:002
139391420,0ptp4l401ktimersoftd/311:08:553
139391420,0ptp4l401ktimersoftd/309:10:133
4078994135,3cyclictest8720-21cron07:20:003
4078994035,3cyclictest41-21ksoftirqd/308:54:593
407899403,2cyclictest121rcu_preempt07:35:263
4078994030,8cyclictest41-21ksoftirqd/308:05:133
139391400,1ptp4l401ktimersoftd/310:00:363
407899394,4cyclictest41-21ksoftirqd/307:30:223
4078993934,3cyclictest41-21ksoftirqd/308:25:003
407899388,3cyclictest41-21ksoftirqd/311:55:223
407899387,4cyclictest41-21ksoftirqd/307:55:273
4078993833,3cyclictest41-21ksoftirqd/312:30:203
4078993833,3cyclictest41-21ksoftirqd/309:25:003
4078993832,3cyclictest41-21ksoftirqd/307:45:003
407899381,5cyclictest41-21ksoftirqd/308:40:263
407899380,2cyclictest121rcu_preempt10:25:243
4077993832,3cyclictest1308-21sshd11:15:342
407699381,3cyclictest121rcu_preempt10:30:121
407599381,34cyclictest7300-21cron08:25:000
139391380,0ptp4l401ktimersoftd/312:17:073
407899376,3cyclictest41-21ksoftirqd/309:25:283
407899374,7cyclictest41-21ksoftirqd/312:15:013
407899374,4cyclictest41-21ksoftirqd/310:40:093
4078993733,2cyclictest41-21ksoftirqd/312:25:003
4078993732,3cyclictest41-21ksoftirqd/310:05:203
407899371,3cyclictest41-21ksoftirqd/309:50:273
4076993731,4cyclictest25-21ksoftirqd/112:03:291
4076993731,4cyclictest25-21ksoftirqd/108:03:501
57898360,2rtkit-daemon0-21swapper/111:30:111
407899365,4cyclictest41-21ksoftirqd/311:35:163
407899363,2cyclictest121rcu_preempt08:33:203
4078993631,3cyclictest41-21ksoftirqd/312:30:003
4078993631,3cyclictest41-21ksoftirqd/311:15:003
4078993629,5cyclictest41-21ksoftirqd/308:57:083
4078993611,3cyclictest41-21ksoftirqd/311:03:213
4078993610,4cyclictest41-21ksoftirqd/311:15:183
4077993631,3cyclictest33-21ksoftirqd/211:10:112
4077993630,4cyclictest33-21ksoftirqd/207:37:162
4076993632,3cyclictest25-21ksoftirqd/112:20:001
4076993630,4cyclictest25-21ksoftirqd/112:22:011
4076993630,4cyclictest25-21ksoftirqd/112:11:111
4076993630,4cyclictest25-21ksoftirqd/110:46:301
4076993630,4cyclictest25-21ksoftirqd/109:58:321
4076993630,4cyclictest25-21ksoftirqd/109:33:091
4076993630,4cyclictest25-21ksoftirqd/108:34:061
4078993531,3cyclictest41-21ksoftirqd/312:40:003
4078993530,3cyclictest41-21ksoftirqd/310:55:003
4078993529,4cyclictest41-21ksoftirqd/307:48:163
4078993528,4cyclictest41-21ksoftirqd/311:23:503
407899351,4cyclictest41-21ksoftirqd/310:55:183
4077993530,3cyclictest33-21ksoftirqd/208:24:452
4077993529,4cyclictest33-21ksoftirqd/212:11:592
4077993529,4cyclictest33-21ksoftirqd/211:04:492
4077993529,4cyclictest33-21ksoftirqd/210:02:012
4077993529,4cyclictest33-21ksoftirqd/209:53:442
4077993529,4cyclictest33-21ksoftirqd/209:31:012
4077993529,4cyclictest33-21ksoftirqd/208:50:412
4077993529,4cyclictest33-21ksoftirqd/208:12:462
4077993529,4cyclictest33-21ksoftirqd/207:31:462
4077993528,5cyclictest33-21ksoftirqd/210:44:072
4076993530,3cyclictest25-21ksoftirqd/110:10:141
4076993530,3cyclictest25-21ksoftirqd/110:04:041
4076993529,4cyclictest25-21ksoftirqd/112:06:261
4076993529,4cyclictest25-21ksoftirqd/111:23:281
4076993529,4cyclictest25-21ksoftirqd/109:13:431
4075993529,4cyclictest9-21ksoftirqd/010:04:200
4075993529,4cyclictest9-21ksoftirqd/009:09:560
4075993529,4cyclictest9-21ksoftirqd/007:55:110
4078993430,2cyclictest41-21ksoftirqd/307:50:243
4078993429,3cyclictest41-21ksoftirqd/311:45:173
4078993429,3cyclictest41-21ksoftirqd/310:45:143
4078993429,3cyclictest41-21ksoftirqd/310:10:143
4078993429,3cyclictest41-21ksoftirqd/309:55:243
4078993429,3cyclictest41-21ksoftirqd/308:10:103
4078993428,4cyclictest41-21ksoftirqd/311:53:553
4078993428,3cyclictest41-21ksoftirqd/309:45:133
4078993427,4cyclictest41-21ksoftirqd/311:28:033
4077993429,3cyclictest33-21ksoftirqd/212:25:232
4077993428,4cyclictest33-21ksoftirqd/210:17:112
4077993428,4cyclictest33-21ksoftirqd/210:17:112
4077993428,4cyclictest33-21ksoftirqd/210:12:092
4077993428,4cyclictest33-21ksoftirqd/207:14:532
4076993429,3cyclictest25-21ksoftirqd/108:57:371
4076993428,4cyclictest25-21ksoftirqd/111:45:111
4076993428,4cyclictest25-21ksoftirqd/110:19:291
4076993428,4cyclictest25-21ksoftirqd/110:19:291
4076993428,4cyclictest25-21ksoftirqd/109:38:221
4076993428,4cyclictest25-21ksoftirqd/109:06:211
4076993428,4cyclictest25-21ksoftirqd/107:45:331
4076993427,5cyclictest25-21ksoftirqd/108:37:201
4076993427,4cyclictest25-21ksoftirqd/109:45:321
4075993429,3cyclictest9-21ksoftirqd/008:15:120
4075993427,4cyclictest9-21ksoftirqd/012:32:390
4075993427,4cyclictest9-21ksoftirqd/007:38:420
4075993426,5cyclictest9-21ksoftirqd/010:28:390
4078993329,3cyclictest41-21ksoftirqd/312:00:213
4078993329,2cyclictest41-21ksoftirqd/309:35:153
4078993328,3cyclictest41-21ksoftirqd/308:15:123
4078993327,4cyclictest41-21ksoftirqd/309:42:413
4078993327,4cyclictest41-21ksoftirqd/309:34:393
4078993327,3cyclictest41-21ksoftirqd/308:25:233
4077993327,4cyclictest33-21ksoftirqd/212:16:462
4077993327,4cyclictest33-21ksoftirqd/210:52:532
4077993327,4cyclictest33-21ksoftirqd/209:25:472
4077993327,4cyclictest33-21ksoftirqd/207:54:332
4077993326,5cyclictest33-21ksoftirqd/209:11:342
4077993326,4cyclictest33-21ksoftirqd/211:50:062
4076993328,3cyclictest25-21ksoftirqd/110:36:531
4076993328,3cyclictest25-21ksoftirqd/110:26:161
4076993327,4cyclictest25-21ksoftirqd/111:50:401
4076993327,4cyclictest25-21ksoftirqd/111:40:051
4076993327,4cyclictest25-21ksoftirqd/111:07:391
4076993327,4cyclictest25-21ksoftirqd/110:06:471
4076993327,4cyclictest25-21ksoftirqd/109:54:021
4076993327,4cyclictest25-21ksoftirqd/108:51:361
4075993328,3cyclictest9-21ksoftirqd/007:20:010
4075993327,4cyclictest9-21ksoftirqd/012:12:540
4075993327,4cyclictest9-21ksoftirqd/011:03:580
4075993327,4cyclictest9-21ksoftirqd/010:50:410
4075993327,4cyclictest9-21ksoftirqd/010:21:060
4075993327,3cyclictest9-21ksoftirqd/008:40:080
4075993326,4cyclictest9-21ksoftirqd/008:01:290
407899324,3cyclictest41-21ksoftirqd/310:30:143
407899324,2cyclictest121rcu_preempt11:30:133
4078993228,2cyclictest41-21ksoftirqd/307:20:253
4078993226,4cyclictest41-21ksoftirqd/310:37:413
4078993219,11cyclictest41-21ksoftirqd/307:25:273
407899321,3cyclictest41-21ksoftirqd/309:05:263
4077993227,3cyclictest33-21ksoftirqd/210:45:502
4077993227,3cyclictest33-21ksoftirqd/210:30:242
4077993227,3cyclictest33-21ksoftirqd/208:57:552
4077993227,3cyclictest33-21ksoftirqd/207:24:222
4077993226,4cyclictest33-21ksoftirqd/211:23:262
4077993226,4cyclictest33-21ksoftirqd/208:36:372
4077993226,4cyclictest33-21ksoftirqd/207:25:082
4076993227,3cyclictest25-21ksoftirqd/111:55:191
4076993227,3cyclictest25-21ksoftirqd/110:43:551
4076993227,3cyclictest25-21ksoftirqd/109:20:581
4076993227,3cyclictest25-21ksoftirqd/108:17:011
4076993226,4cyclictest25-21ksoftirqd/109:43:201
4076993226,4cyclictest25-21ksoftirqd/108:44:261
4076993226,4cyclictest25-21ksoftirqd/107:20:031
4075993227,3cyclictest9-21ksoftirqd/012:36:330
4075993227,3cyclictest9-21ksoftirqd/011:40:010
4075993227,3cyclictest9-21ksoftirqd/009:35:090
4075993226,3cyclictest9-21ksoftirqd/009:15:020
4075993225,5cyclictest9-21ksoftirqd/008:11:440
4075993225,4cyclictest9-21ksoftirqd/009:29:230
4077993126,3cyclictest33-21ksoftirqd/211:06:592
4077993126,3cyclictest33-21ksoftirqd/210:55:302
4077993125,4cyclictest33-21ksoftirqd/211:27:272
4077993125,4cyclictest33-21ksoftirqd/209:56:242
4077993125,4cyclictest33-21ksoftirqd/208:48:372
4077993125,4cyclictest33-21ksoftirqd/207:47:552
4077993125,4cyclictest33-21ksoftirqd/207:19:222
4076993126,3cyclictest25-21ksoftirqd/111:10:481
4076993126,3cyclictest25-21ksoftirqd/110:20:121
4076993126,3cyclictest25-21ksoftirqd/108:26:001
4076993126,3cyclictest25-21ksoftirqd/107:38:421
4076993125,4cyclictest25-21ksoftirqd/108:47:231
4076993125,4cyclictest25-21ksoftirqd/107:25:311
4076993124,5cyclictest25-21ksoftirqd/107:10:071
4076993124,4cyclictest25-21ksoftirqd/111:27:531
4075993126,3cyclictest9-21ksoftirqd/010:07:460
4075993125,4cyclictest9-21ksoftirqd/010:46:370
4075993125,4cyclictest9-21ksoftirqd/009:24:410
4075993125,4cyclictest9-21ksoftirqd/008:57:050
4075993125,4cyclictest9-21ksoftirqd/008:53:160
4075993125,4cyclictest9-21ksoftirqd/007:44:560
4075993125,4cyclictest9-21ksoftirqd/007:32:520
4075993125,3cyclictest9-21ksoftirqd/009:49:080
4075993125,3cyclictest9-21ksoftirqd/007:45:400
4075993124,5cyclictest9-21ksoftirqd/007:27:190
4075993124,4cyclictest9-21ksoftirqd/010:13:190
4077993024,4cyclictest33-21ksoftirqd/212:38:072
4077993024,4cyclictest33-21ksoftirqd/212:31:452
4077993024,4cyclictest33-21ksoftirqd/212:20:512
4077993024,4cyclictest33-21ksoftirqd/211:46:092
4077993024,4cyclictest33-21ksoftirqd/209:19:142
4077993024,4cyclictest33-21ksoftirqd/208:18:192
407799301,2cyclictest121rcu_preempt10:06:202
4076993025,3cyclictest25-21ksoftirqd/112:29:101
4076993024,4cyclictest25-21ksoftirqd/111:01:391
4075993025,3cyclictest9-21ksoftirqd/012:09:260
4075993025,3cyclictest9-21ksoftirqd/011:25:010
4075993025,3cyclictest9-21ksoftirqd/010:40:310
4075993025,3cyclictest9-21ksoftirqd/009:56:550
4075993024,4cyclictest9-21ksoftirqd/011:40:570
4075993024,4cyclictest9-21ksoftirqd/011:30:100
4075993024,4cyclictest9-21ksoftirqd/011:27:250
4075993024,3cyclictest9-21ksoftirqd/012:15:110
4075993024,3cyclictest9-21ksoftirqd/007:23:460
4075993023,5cyclictest9-21ksoftirqd/009:14:170
4075993023,4cyclictest9-21ksoftirqd/012:25:090
57898290,2rtkit-daemon0-21swapper/011:50:130
4077992924,3cyclictest33-21ksoftirqd/212:08:102
4077992924,3cyclictest33-21ksoftirqd/209:39:552
4077992923,4cyclictest33-21ksoftirqd/211:32:012
4076992924,3cyclictest25-21ksoftirqd/112:35:181
4076992924,3cyclictest25-21ksoftirqd/112:32:431
4076992924,3cyclictest25-21ksoftirqd/111:19:581
4076992924,3cyclictest25-21ksoftirqd/108:14:281
4076992923,4cyclictest25-21ksoftirqd/108:05:021
4075992924,3cyclictest9-21ksoftirqd/011:59:110
4075992924,3cyclictest9-21ksoftirqd/010:16:010
4075992924,3cyclictest9-21ksoftirqd/010:16:010
4075992924,3cyclictest9-21ksoftirqd/009:00:290
4075992924,3cyclictest9-21ksoftirqd/008:36:070
4075992923,4cyclictest9-21ksoftirqd/010:56:070
4075992923,4cyclictest9-21ksoftirqd/008:30:090
4075992923,4cyclictest9-21ksoftirqd/008:27:440
4075992923,4cyclictest9-21ksoftirqd/007:50:110
4075992923,4cyclictest9-21ksoftirqd/007:13:020
4077992823,3cyclictest33-21ksoftirqd/209:00:522
4077992823,3cyclictest33-21ksoftirqd/208:30:092
4077992823,3cyclictest33-21ksoftirqd/208:08:512
4077992822,4cyclictest33-21ksoftirqd/210:20:472
4077992822,4cyclictest33-21ksoftirqd/208:42:142
4077992821,4cyclictest33-21ksoftirqd/209:48:462
4076992823,3cyclictest25-21ksoftirqd/110:50:121
4076992823,3cyclictest25-21ksoftirqd/107:55:121
4076992823,3cyclictest25-21ksoftirqd/107:50:291
4075992823,3cyclictest9-21ksoftirqd/010:36:400
4075992823,3cyclictest9-21ksoftirqd/009:30:130
4075992822,4cyclictest9-21ksoftirqd/011:48:520
4075992822,4cyclictest9-21ksoftirqd/009:54:460
4077992722,3cyclictest33-21ksoftirqd/210:37:202
4077992722,3cyclictest33-21ksoftirqd/209:09:022
4077992722,3cyclictest33-21ksoftirqd/208:02:082
4077992722,3cyclictest33-21ksoftirqd/207:41:112
4076992722,3cyclictest25-21ksoftirqd/109:28:441
4076992722,3cyclictest25-21ksoftirqd/109:19:161
4076992722,3cyclictest25-21ksoftirqd/107:32:321
4075992720,5cyclictest9-21ksoftirqd/009:41:170
4077992621,3cyclictest33-21ksoftirqd/211:36:522
4077992620,4cyclictest33-21ksoftirqd/208:26:142
4076992621,3cyclictest25-21ksoftirqd/109:02:561
4076992621,3cyclictest25-21ksoftirqd/107:16:461
4075992621,3cyclictest9-21ksoftirqd/010:31:570
4075992621,3cyclictest9-21ksoftirqd/008:06:420
4076992520,3cyclictest25-21ksoftirqd/107:41:461
4075992519,4cyclictest9-21ksoftirqd/008:49:580
4076992419,3cyclictest25-21ksoftirqd/111:38:491
4076992318,3cyclictest25-21ksoftirqd/108:25:001
4075992318,3cyclictest9-21ksoftirqd/011:05:180
4077992217,3cyclictest33-21ksoftirqd/211:43:522
4077992217,3cyclictest33-21ksoftirqd/207:57:292
4077992216,4cyclictest33-21ksoftirqd/212:01:402
407799211,17cyclictest13119-21latency_hist12:00:012
407799210,3cyclictest1451-21mactelnetd10:25:322
4075992015,3cyclictest9-21ksoftirqd/011:10:110
4075991913,4cyclictest9-21ksoftirqd/012:21:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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