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2026-05-20 - 18:41
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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 rackdslot3.osadl.org (updated Wed May 20, 2026 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320892205172,22sleep30-21swapper/307:09:463
320932204172,21sleep20-21swapper/207:09:492
320912204170,23sleep00-21swapper/007:09:460
320622204170,22sleep10-21swapper/107:09:241
139391660,1ptp4l391rcuc/311:53:503
315542630,5sleep23240299cyclictest11:35:262
134391590,1getstats0-21swapper/308:59:573
134391580,2getstats0-21swapper/308:54:573
139391560,1ptp4l401ktimersoftd/307:32:003
246622550,2sleep20-21swapper/212:30:132
167232540,4sleep13240199cyclictest08:50:211
139391540,1ptp4l401ktimersoftd/309:22:033
295772510,2sleep30-21swapper/310:25:173
162372500,1sleep10-21swapper/111:05:191
134391460,2getstats0-21swapper/308:49:583
57898450,9rtkit-daemon0-21swapper/010:04:400
139391450,0ptp4l401ktimersoftd/309:36:463
32402994439,3cyclictest33-21ksoftirqd/207:12:432
139391430,0ptp4l401ktimersoftd/310:33:533
134391430,1getstats13904-1kworker/3:1H11:09:573
139391420,0ptp4l401ktimersoftd/307:43:593
134391410,1getstats0-21swapper/310:19:573
134391400,2getstats0-21swapper/308:39:583
134391400,1getstats0-21swapper/311:04:573
134391400,1getstats0-21swapper/308:44:583
3240199390,37cyclictest0-21swapper/111:40:431
32401993826,10cyclictest25-21ksoftirqd/109:13:031
32403993733,3cyclictest41-21ksoftirqd/310:45:003
32403993723,4cyclictest41-21ksoftirqd/307:20:243
32402993732,3cyclictest21400-21cron07:55:002
3240199370,1cyclictest0-21swapper/112:02:441
32400993731,4cyclictest9-21ksoftirqd/011:15:130
32403993630,4cyclictest41-21ksoftirqd/312:04:263
32403993630,4cyclictest41-21ksoftirqd/307:26:583
32403993630,4cyclictest41-21ksoftirqd/307:11:263
32402993631,3cyclictest33-21ksoftirqd/209:30:112
32402993631,3cyclictest33-21ksoftirqd/209:30:102
32402993631,3cyclictest33-21ksoftirqd/209:15:172
32402993630,4cyclictest33-21ksoftirqd/207:29:102
32401993631,3cyclictest25-21ksoftirqd/111:30:101
32401993631,3cyclictest25-21ksoftirqd/110:30:101
32401993630,4cyclictest25-21ksoftirqd/112:36:581
32401993630,4cyclictest25-21ksoftirqd/109:28:071
32401993630,4cyclictest25-21ksoftirqd/109:28:071
134391360,1getstats0-21swapper/309:49:573
32403993530,3cyclictest41-21ksoftirqd/310:10:013
32403993530,3cyclictest2315-21cron09:29:593
32403993530,3cyclictest2315-21cron09:29:593
32403993529,4cyclictest41-21ksoftirqd/312:37:483
32403993529,4cyclictest41-21ksoftirqd/308:18:253
32402993531,3cyclictest33-21ksoftirqd/209:05:002
32402993531,2cyclictest33-21ksoftirqd/209:05:282
32402993529,4cyclictest33-21ksoftirqd/211:55:352
32402993529,4cyclictest33-21ksoftirqd/209:58:262
32402993529,4cyclictest33-21ksoftirqd/209:27:042
32402993529,4cyclictest33-21ksoftirqd/209:27:042
32402993529,4cyclictest33-21ksoftirqd/208:02:472
32401993530,3cyclictest25-21ksoftirqd/110:45:131
32401993530,3cyclictest25-21ksoftirqd/107:22:261
32401993529,4cyclictest25-21ksoftirqd/111:02:141
32401993529,4cyclictest25-21ksoftirqd/108:43:231
32401993529,4cyclictest25-21ksoftirqd/108:17:071
32401993529,4cyclictest25-21ksoftirqd/107:53:121
32401993529,4cyclictest25-21ksoftirqd/107:33:551
32401993529,4cyclictest25-21ksoftirqd/107:18:371
3240199350,1cyclictest0-21swapper/107:25:421
32400993529,4cyclictest9-21ksoftirqd/011:28:420
32400993529,4cyclictest9-21ksoftirqd/009:31:080
32400993529,4cyclictest9-21ksoftirqd/009:31:070
32403993429,3cyclictest41-21ksoftirqd/308:33:053
32403993428,4cyclictest41-21ksoftirqd/311:13:593
32403993428,4cyclictest41-21ksoftirqd/309:33:273
32403993428,4cyclictest41-21ksoftirqd/309:33:273
32403993428,4cyclictest41-21ksoftirqd/308:01:253
32402993429,3cyclictest33-21ksoftirqd/209:48:152
32402993429,3cyclictest33-21ksoftirqd/209:00:002
32402993428,4cyclictest33-21ksoftirqd/211:31:492
32402993428,4cyclictest33-21ksoftirqd/207:55:422
32402993428,3cyclictest33-21ksoftirqd/208:13:242
32401993429,3cyclictest25-21ksoftirqd/111:38:081
32401993429,3cyclictest22564-21cron09:04:591
32401993428,4cyclictest25-21ksoftirqd/112:10:581
32401993428,4cyclictest25-21ksoftirqd/110:24:551
32401993428,4cyclictest25-21ksoftirqd/110:03:571
32401993428,4cyclictest25-21ksoftirqd/108:37:011
32401993428,4cyclictest25-21ksoftirqd/107:10:561
32400993428,4cyclictest9-21ksoftirqd/011:58:490
32400993428,4cyclictest9-21ksoftirqd/011:46:100
32400993428,4cyclictest9-21ksoftirqd/011:13:210
32400993428,4cyclictest9-21ksoftirqd/010:33:230
32400993428,4cyclictest9-21ksoftirqd/010:23:020
32400993428,4cyclictest9-21ksoftirqd/009:15:300
139391340,0ptp4l401ktimersoftd/311:15:003
32403993328,3cyclictest41-21ksoftirqd/311:20:123
32403993328,3cyclictest41-21ksoftirqd/311:20:123
32403993328,3cyclictest41-21ksoftirqd/310:46:563
32403993328,3cyclictest41-21ksoftirqd/309:10:543
32403993328,3cyclictest41-21ksoftirqd/308:25:113
32403993328,3cyclictest41-21ksoftirqd/307:55:003
32403993327,4cyclictest41-21ksoftirqd/312:12:413
32403993327,4cyclictest41-21ksoftirqd/312:08:033
32403993327,4cyclictest41-21ksoftirqd/311:26:313
32403993327,4cyclictest41-21ksoftirqd/310:11:063
32403993327,4cyclictest41-21ksoftirqd/310:01:233
32403993327,4cyclictest41-21ksoftirqd/307:18:233
3240299334,2cyclictest121rcu_preempt10:24:312
32402993329,3cyclictest33-21ksoftirqd/210:35:172
32402993328,3cyclictest33-21ksoftirqd/211:40:122
32402993328,3cyclictest33-21ksoftirqd/211:24:512
32402993328,3cyclictest33-21ksoftirqd/211:24:512
32402993327,4cyclictest33-21ksoftirqd/212:17:132
32402993327,4cyclictest33-21ksoftirqd/210:01:332
3240299330,2cyclictest121rcu_preempt11:05:112
32401993328,3cyclictest25-21ksoftirqd/107:39:121
32401993328,3cyclictest25-21ksoftirqd/107:39:121
32401993327,4cyclictest25-21ksoftirqd/111:26:011
32401993327,4cyclictest25-21ksoftirqd/109:44:121
32401993327,4cyclictest25-21ksoftirqd/109:24:431
32401993327,4cyclictest25-21ksoftirqd/108:13:061
32400993328,3cyclictest9-21ksoftirqd/011:35:080
32400993328,3cyclictest9-21ksoftirqd/011:35:010
32400993327,4cyclictest9-21ksoftirqd/012:33:110
32400993327,4cyclictest9-21ksoftirqd/011:44:100
32400993327,4cyclictest9-21ksoftirqd/009:04:000
32400993327,4cyclictest9-21ksoftirqd/008:20:350
32400993327,4cyclictest9-21ksoftirqd/007:30:120
32400993326,4cyclictest9-21ksoftirqd/008:33:230
32400993326,4cyclictest9-21ksoftirqd/007:22:300
32402993227,3cyclictest33-21ksoftirqd/211:30:012
32402993227,3cyclictest33-21ksoftirqd/210:56:112
32402993227,3cyclictest33-21ksoftirqd/210:43:302
32402993227,3cyclictest33-21ksoftirqd/208:30:422
32402993226,4cyclictest33-21ksoftirqd/212:25:312
32402993226,4cyclictest33-21ksoftirqd/212:00:322
32402993226,4cyclictest33-21ksoftirqd/210:16:142
32402993226,4cyclictest33-21ksoftirqd/209:41:202
32402993226,4cyclictest33-21ksoftirqd/209:37:302
32401993227,3cyclictest25-21ksoftirqd/111:11:091
32401993227,3cyclictest25-21ksoftirqd/107:56:481
32401993226,4cyclictest25-21ksoftirqd/111:57:311
32401993226,4cyclictest25-21ksoftirqd/109:59:561
32401993226,4cyclictest25-21ksoftirqd/109:52:061
32401993226,4cyclictest25-21ksoftirqd/109:07:101
32401993226,4cyclictest25-21ksoftirqd/108:45:031
32401993226,4cyclictest25-21ksoftirqd/108:08:251
32401993226,4cyclictest25-21ksoftirqd/107:49:101
32400993227,3cyclictest9-21ksoftirqd/010:10:140
32400993227,3cyclictest9-21ksoftirqd/007:10:130
32400993226,4cyclictest9-21ksoftirqd/010:37:180
32400993226,4cyclictest9-21ksoftirqd/009:51:010
32400993226,4cyclictest9-21ksoftirqd/007:39:300
32400993226,4cyclictest9-21ksoftirqd/007:39:300
32400993226,3cyclictest9-21ksoftirqd/009:10:330
32400993225,4cyclictest9-21ksoftirqd/010:27:280
32400993215,5cyclictest9-21ksoftirqd/011:05:100
139391320,0ptp4l401ktimersoftd/308:10:163
32403993126,3cyclictest41-21ksoftirqd/309:57:153
32403993126,3cyclictest41-21ksoftirqd/307:45:113
32403993125,4cyclictest41-21ksoftirqd/312:33:233
32403993125,4cyclictest41-21ksoftirqd/310:24:053
32403993125,4cyclictest41-21ksoftirqd/307:36:253
32403993125,4cyclictest41-21ksoftirqd/307:36:253
32402993126,3cyclictest33-21ksoftirqd/212:38:532
32402993126,3cyclictest33-21ksoftirqd/207:36:212
32402993126,3cyclictest33-21ksoftirqd/207:36:212
32402993125,4cyclictest33-21ksoftirqd/208:55:002
32402993125,4cyclictest33-21ksoftirqd/208:43:112
32402993119,9cyclictest33-21ksoftirqd/211:45:242
32401993126,3cyclictest25-21ksoftirqd/112:27:511
32401993126,3cyclictest25-21ksoftirqd/108:29:171
32401993125,4cyclictest25-21ksoftirqd/108:33:271
3240199310,2cyclictest0-21swapper/112:09:431
32400993126,3cyclictest9-21ksoftirqd/008:18:400
32400993126,3cyclictest9-21ksoftirqd/007:25:390
32400993125,4cyclictest9-21ksoftirqd/010:52:220
32400993125,4cyclictest9-21ksoftirqd/008:53:170
32400993125,4cyclictest9-21ksoftirqd/008:27:530
32400993125,4cyclictest9-21ksoftirqd/008:09:110
32400993125,4cyclictest9-21ksoftirqd/008:02:250
57898300,13rtkit-daemon0-21swapper/008:10:280
32403993025,3cyclictest41-21ksoftirqd/312:15:043
32403993024,4cyclictest41-21ksoftirqd/310:36:173
32402993025,3cyclictest33-21ksoftirqd/210:32:112
32402993024,4cyclictest33-21ksoftirqd/212:09:042
32402993024,4cyclictest33-21ksoftirqd/211:04:372
32402993024,4cyclictest33-21ksoftirqd/209:50:512
32402993018,10cyclictest33-21ksoftirqd/208:25:292
32401993025,3cyclictest25-21ksoftirqd/110:37:391
32401993024,4cyclictest25-21ksoftirqd/110:12:001
32401993024,4cyclictest25-21ksoftirqd/109:36:061
32401993024,4cyclictest25-21ksoftirqd/109:16:441
3240199300,1cyclictest0-21swapper/112:16:031
32400993025,3cyclictest9-21ksoftirqd/012:17:560
32400993025,3cyclictest9-21ksoftirqd/010:15:120
32400993025,3cyclictest9-21ksoftirqd/010:07:220
32400993025,3cyclictest9-21ksoftirqd/007:54:480
32400993024,4cyclictest9-21ksoftirqd/012:26:300
32400993024,4cyclictest9-21ksoftirqd/012:11:210
32400993024,4cyclictest9-21ksoftirqd/011:51:190
32400993024,4cyclictest9-21ksoftirqd/010:58:450
32400993024,4cyclictest9-21ksoftirqd/010:47:530
139391300,0ptp4l401ktimersoftd/311:37:233
139391300,0ptp4l401ktimersoftd/307:55:383
32403992925,3cyclictest41-21ksoftirqd/308:20:203
32403992924,3cyclictest41-21ksoftirqd/311:59:073
32403992924,3cyclictest41-21ksoftirqd/311:48:433
32403992924,3cyclictest41-21ksoftirqd/309:40:133
32402992924,3cyclictest33-21ksoftirqd/211:12:552
32402992924,3cyclictest33-21ksoftirqd/210:45:162
32402992924,3cyclictest33-21ksoftirqd/208:45:292
32402992923,4cyclictest33-21ksoftirqd/209:24:232
32402992923,4cyclictest33-21ksoftirqd/207:47:152
32402992922,5cyclictest33-21ksoftirqd/207:22:442
32401992924,3cyclictest25-21ksoftirqd/110:51:141
32401992923,4cyclictest25-21ksoftirqd/110:55:161
32401992923,4cyclictest25-21ksoftirqd/109:30:081
32401992923,4cyclictest25-21ksoftirqd/109:30:071
32401992923,4cyclictest25-21ksoftirqd/108:02:111
32401992923,4cyclictest25-21ksoftirqd/107:40:041
32400992924,3cyclictest9-21ksoftirqd/011:02:170
32400992923,4cyclictest9-21ksoftirqd/007:16:320
32400992923,3cyclictest9-21ksoftirqd/009:09:510
32400992922,4cyclictest9-21ksoftirqd/007:40:390
139391290,0ptp4l401ktimersoftd/311:33:223
32403992823,3cyclictest41-21ksoftirqd/308:09:443
32402992824,2cyclictest33-21ksoftirqd/207:40:182
32402992823,3cyclictest33-21ksoftirqd/207:30:112
32402992823,3cyclictest33-21ksoftirqd/207:19:042
32402992816,10cyclictest33-21ksoftirqd/211:15:242
32401992823,3cyclictest25-21ksoftirqd/111:47:071
32401992823,3cyclictest25-21ksoftirqd/110:28:161
32401992823,3cyclictest25-21ksoftirqd/110:15:491
32401992823,3cyclictest25-21ksoftirqd/109:47:111
32401992823,3cyclictest25-21ksoftirqd/108:56:331
32401992822,4cyclictest25-21ksoftirqd/111:19:271
32401992822,4cyclictest25-21ksoftirqd/108:21:231
32400992823,3cyclictest9-21ksoftirqd/012:07:580
32400992823,3cyclictest9-21ksoftirqd/011:24:080
32400992823,3cyclictest9-21ksoftirqd/011:24:080
32400992823,3cyclictest9-21ksoftirqd/009:45:150
32400992822,4cyclictest9-21ksoftirqd/008:59:100
32400992822,4cyclictest9-21ksoftirqd/008:42:040
32400992822,4cyclictest9-21ksoftirqd/007:46:130
32400992821,4cyclictest9-21ksoftirqd/012:35:040
139391280,0ptp4l401ktimersoftd/311:43:563
32403992722,3cyclictest41-21ksoftirqd/309:50:103
32403992722,3cyclictest41-21ksoftirqd/309:15:183
32403992721,4cyclictest41-21ksoftirqd/310:53:053
32402992723,3cyclictest33-21ksoftirqd/210:53:292
32402992722,3cyclictest33-21ksoftirqd/211:54:222
32402992721,4cyclictest33-21ksoftirqd/208:16:002
32402992720,4cyclictest33-21ksoftirqd/212:20:102
32401992723,3cyclictest25-21ksoftirqd/111:53:581
32401992722,3cyclictest25-21ksoftirqd/111:22:101
32401992722,3cyclictest25-21ksoftirqd/111:22:101
32400992722,3cyclictest9-21ksoftirqd/009:20:570
32400992722,3cyclictest9-21ksoftirqd/008:46:030
32403992621,3cyclictest41-21ksoftirqd/312:28:023
32402992621,3cyclictest33-21ksoftirqd/212:10:272
32402992621,3cyclictest33-21ksoftirqd/210:10:122
32402992621,3cyclictest33-21ksoftirqd/208:22:342
3240199261,3cyclictest121rcu_preempt12:30:551
32400992621,3cyclictest9-21ksoftirqd/010:40:100
32400992620,4cyclictest9-21ksoftirqd/012:20:400
32400992620,4cyclictest9-21ksoftirqd/009:39:170
32400992620,3cyclictest9-21ksoftirqd/009:55:180
32403992520,3cyclictest41-21ksoftirqd/309:08:103
32403992519,4cyclictest41-21ksoftirqd/312:21:193
32402992520,3cyclictest33-21ksoftirqd/210:05:162
32402992520,3cyclictest33-21ksoftirqd/209:11:442
32402992520,3cyclictest33-21ksoftirqd/208:07:312
32401992520,3cyclictest25-21ksoftirqd/112:23:441
32401992520,3cyclictest25-21ksoftirqd/110:43:381
139391250,1ptp4l401ktimersoftd/310:55:213
32403992419,3cyclictest41-21ksoftirqd/309:03:043
32402992419,3cyclictest33-21ksoftirqd/210:25:162
32400992419,3cyclictest9-21ksoftirqd/009:44:240
32400992419,3cyclictest9-21ksoftirqd/009:25:220
32400992419,3cyclictest9-21ksoftirqd/009:25:220
32400992419,3cyclictest9-21ksoftirqd/008:35:230
32401992318,3cyclictest25-21ksoftirqd/110:05:431
32400992217,3cyclictest9-21ksoftirqd/012:04:390
32402992116,3cyclictest33-21ksoftirqd/208:35:162
32400992116,3cyclictest22155-21fw_packets07:55:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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