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2026-06-13 - 16:26
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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 rackdslot4.osadl.org (updated Sat Jun 13, 2026 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2540022120,5sleep325366-21execl07:09:373
2539822090,8sleep125366-21execl07:09:351
2543721860,5sleep225427-21execl07:09:522
2487721710,6sleep12570799cyclictest07:30:551
1108321710,7sleep12570799cyclictest08:30:261
2765021600,5sleep226968-21execl07:10:352
660421530,5sleep02570699cyclictest07:23:100
2475721510,6sleep02570699cyclictest12:15:140
251342146113,21sleep00-21swapper/007:07:460
305972860,4sleep330569-21sh07:29:073
309642740,4sleep330915-21multi.sh07:31:483
160672740,3sleep30-21swapper/307:35:313
157692710,3sleep015781-21wc07:29:570
60092700,6sleep22570899cyclictest07:28:142
138491660,0ptp4l401ktimersoftd/309:16:263
279082610,3sleep027135-21apt-get07:30:130
268602610,7sleep32570999cyclictest10:10:123
103592610,3sleep00-21swapper/009:35:200
275212600,7sleep32570999cyclictest07:23:213
186632590,3sleep118657-21od07:28:251
151012580,1sleep00-21swapper/009:45:180
32492570,5sleep23262-21sort07:30:242
109392570,3sleep20-21swapper/209:35:262
264762560,3sleep025432-21execl07:10:170
289922540,4sleep228327-21fstime07:15:172
286542510,2sleep10-21swapper/112:20:241
99972480,1sleep00-21swapper/010:40:190
229052480,2sleep10-21swapper/112:10:181
25709994728,5cyclictest41-21ksoftirqd/309:35:003
145242470,2sleep30-21swapper/309:45:143
138491430,0ptp4l401ktimersoftd/308:05:263
2570699420,2cyclictest121rcu_preempt12:30:000
25708993929,7cyclictest33-21ksoftirqd/207:23:202
25706993935,2cyclictest9-21ksoftirqd/011:40:000
25709993830,5cyclictest41-21ksoftirqd/308:20:133
25708993831,5cyclictest33-21ksoftirqd/211:59:512
138491380,0ptp4l401ktimersoftd/311:40:243
25709993732,3cyclictest41-21ksoftirqd/310:35:013
25709993732,3cyclictest41-21ksoftirqd/310:35:003
25709993731,4cyclictest41-21ksoftirqd/311:48:333
25708993731,4cyclictest33-21ksoftirqd/209:18:532
25708993730,5cyclictest33-21ksoftirqd/212:21:052
25707993732,3cyclictest25-21ksoftirqd/107:23:211
25707993732,3cyclictest25-21ksoftirqd/107:10:271
25707993731,4cyclictest25-21ksoftirqd/110:40:591
25707993731,4cyclictest25-21ksoftirqd/109:55:001
138491370,0ptp4l401ktimersoftd/309:35:163
138491370,0ptp4l401ktimersoftd/309:12:133
25709993630,4cyclictest41-21ksoftirqd/312:11:083
25709993630,4cyclictest41-21ksoftirqd/312:08:073
25709993630,4cyclictest41-21ksoftirqd/307:51:333
25709993630,3cyclictest41-21ksoftirqd/310:40:003
25708993630,4cyclictest33-21ksoftirqd/212:37:302
25708993630,4cyclictest33-21ksoftirqd/211:27:582
25708993630,4cyclictest33-21ksoftirqd/209:07:172
25708993630,4cyclictest33-21ksoftirqd/208:59:592
25708993630,4cyclictest33-21ksoftirqd/208:23:452
25708993630,4cyclictest33-21ksoftirqd/207:56:122
25708993629,5cyclictest33-21ksoftirqd/209:46:442
25707993630,4cyclictest25-21ksoftirqd/109:29:061
25707993630,4cyclictest25-21ksoftirqd/108:52:031
25707993630,3cyclictest25-21ksoftirqd/112:27:581
2570699363,3cyclictest121rcu_preempt10:20:000
25706993632,2cyclictest9-21ksoftirqd/010:25:000
25706993631,3cyclictest9-21ksoftirqd/012:00:180
25706993631,3cyclictest9-21ksoftirqd/009:40:250
25706993630,3cyclictest9-21ksoftirqd/012:05:190
25706993629,5cyclictest9-21ksoftirqd/010:04:280
25706993629,4cyclictest9-21ksoftirqd/007:54:420
138491360,12ptp4l401ktimersoftd/307:18:093
138491360,0ptp4l401ktimersoftd/308:50:003
25709993530,3cyclictest41-21ksoftirqd/310:00:413
25709993530,3cyclictest41-21ksoftirqd/308:14:183
25709993529,4cyclictest41-21ksoftirqd/311:09:183
25709993529,4cyclictest41-21ksoftirqd/309:58:453
25709993529,4cyclictest41-21ksoftirqd/308:31:003
25708993530,3cyclictest33-21ksoftirqd/210:08:122
25708993529,4cyclictest33-21ksoftirqd/212:29:252
25708993529,4cyclictest33-21ksoftirqd/209:28:002
25708993529,4cyclictest33-21ksoftirqd/209:11:182
25708993529,4cyclictest33-21ksoftirqd/207:51:232
25707993530,3cyclictest25-21ksoftirqd/110:08:421
25707993529,4cyclictest25-21ksoftirqd/112:30:431
25707993529,4cyclictest25-21ksoftirqd/112:30:431
25707993529,4cyclictest25-21ksoftirqd/109:40:381
25707993529,4cyclictest25-21ksoftirqd/109:08:051
25707993529,4cyclictest25-21ksoftirqd/108:20:471
25706993531,2cyclictest9-21ksoftirqd/011:30:240
25706993531,2cyclictest9-21ksoftirqd/009:10:000
25706993530,3cyclictest9-21ksoftirqd/012:00:000
25706993529,4cyclictest9-21ksoftirqd/012:31:070
25706993529,4cyclictest9-21ksoftirqd/012:31:070
25706993529,4cyclictest9-21ksoftirqd/011:53:280
25706993529,4cyclictest9-21ksoftirqd/010:51:380
25706993529,3cyclictest9-21ksoftirqd/011:30:000
25706993529,3cyclictest9-21ksoftirqd/010:05:200
25709993429,3cyclictest41-21ksoftirqd/311:35:113
25709993429,3cyclictest29217-21egrep11:20:113
25709993428,4cyclictest41-21ksoftirqd/311:56:433
25709993428,4cyclictest41-21ksoftirqd/310:52:163
25708993429,3cyclictest33-21ksoftirqd/210:10:122
25708993428,4cyclictest33-21ksoftirqd/212:11:182
25708993428,4cyclictest33-21ksoftirqd/212:01:482
25708993428,4cyclictest33-21ksoftirqd/211:23:502
25708993428,4cyclictest33-21ksoftirqd/209:01:272
25708993428,4cyclictest33-21ksoftirqd/208:52:092
25708993428,4cyclictest33-21ksoftirqd/208:41:062
25707993428,4cyclictest25-21ksoftirqd/110:55:351
25707993428,4cyclictest25-21ksoftirqd/110:52:061
25707993428,4cyclictest25-21ksoftirqd/110:10:501
25707993428,4cyclictest25-21ksoftirqd/109:55:071
25707993427,5cyclictest25-21ksoftirqd/110:31:371
25707993427,5cyclictest25-21ksoftirqd/110:31:361
25707993427,4cyclictest25-21ksoftirqd/111:47:021
25706993430,3cyclictest9-21ksoftirqd/010:50:000
25706993430,2cyclictest9-21ksoftirqd/011:00:130
25706993430,2cyclictest9-21ksoftirqd/011:00:130
25706993430,2cyclictest9-21ksoftirqd/010:55:140
25706993430,2cyclictest9-21ksoftirqd/010:35:000
25706993430,2cyclictest9-21ksoftirqd/010:35:000
25706993429,3cyclictest9-21ksoftirqd/012:10:170
25706993429,3cyclictest9-21ksoftirqd/009:00:240
25706993429,2cyclictest9-21ksoftirqd/007:40:010
25706993428,3cyclictest9-21ksoftirqd/008:50:000
25706993428,3cyclictest9-21ksoftirqd/007:40:200
25706993427,4cyclictest9-21ksoftirqd/011:20:010
2570699341,4cyclictest9-21ksoftirqd/008:50:010
138491340,0ptp4l401ktimersoftd/310:47:553
138491340,0ptp4l401ktimersoftd/309:00:193
25709993327,4cyclictest41-21ksoftirqd/311:28:113
25709993327,4cyclictest41-21ksoftirqd/310:20:083
25709993327,3cyclictest41-21ksoftirqd/310:25:453
25708993328,3cyclictest33-21ksoftirqd/209:51:402
25708993328,3cyclictest33-21ksoftirqd/208:02:392
25708993327,4cyclictest33-21ksoftirqd/211:16:382
25708993327,4cyclictest33-21ksoftirqd/209:33:572
25708993326,5cyclictest33-21ksoftirqd/211:44:392
25707993328,3cyclictest25-21ksoftirqd/109:30:291
25707993328,3cyclictest25-21ksoftirqd/108:59:461
25707993328,3cyclictest25-21ksoftirqd/108:10:031
25707993327,4cyclictest25-21ksoftirqd/111:06:031
25707993327,4cyclictest25-21ksoftirqd/110:35:451
25707993327,4cyclictest25-21ksoftirqd/107:56:241
25707993326,4cyclictest25-21ksoftirqd/110:15:031
25706993330,2cyclictest9-21ksoftirqd/011:15:130
25706993329,3cyclictest9-21ksoftirqd/010:10:130
25706993329,2cyclictest9-21ksoftirqd/009:20:140
25706993328,3cyclictest9-21ksoftirqd/011:15:000
25706993328,3cyclictest9-21ksoftirqd/009:55:000
25706993328,3cyclictest9-21ksoftirqd/009:15:000
25706993328,3cyclictest9-21ksoftirqd/008:30:100
25706993328,3cyclictest9-21ksoftirqd/008:10:000
25706993327,4cyclictest9-21ksoftirqd/011:07:060
25706993327,3cyclictest9-21ksoftirqd/007:16:510
138491330,0ptp4l401ktimersoftd/310:55:263
138491330,0ptp4l401ktimersoftd/307:42:223
25709993226,4cyclictest41-21ksoftirqd/310:06:193
25709993226,4cyclictest41-21ksoftirqd/309:07:313
25709993226,4cyclictest41-21ksoftirqd/308:47:043
25709993226,4cyclictest41-21ksoftirqd/308:18:243
25709993226,4cyclictest41-21ksoftirqd/308:18:233
25709993225,4cyclictest41-21ksoftirqd/307:59:113
25708993227,3cyclictest33-21ksoftirqd/210:46:102
25708993226,4cyclictest33-21ksoftirqd/212:15:562
25708993226,4cyclictest33-21ksoftirqd/212:08:222
25708993226,4cyclictest33-21ksoftirqd/211:52:102
25708993226,4cyclictest33-21ksoftirqd/211:08:202
25708993226,4cyclictest33-21ksoftirqd/210:02:582
25708993226,4cyclictest33-21ksoftirqd/208:26:212
25708993226,4cyclictest33-21ksoftirqd/207:48:312
25707993227,3cyclictest25-21ksoftirqd/112:02:381
25707993226,4cyclictest25-21ksoftirqd/109:47:041
25707993225,5cyclictest25-21ksoftirqd/111:28:301
25707993225,4cyclictest25-21ksoftirqd/107:36:091
25706993229,2cyclictest9-21ksoftirqd/008:20:190
25706993228,3cyclictest9-21ksoftirqd/010:00:000
25706993228,2cyclictest9-21ksoftirqd/012:40:010
25706993228,2cyclictest9-21ksoftirqd/009:30:010
25706993228,2cyclictest9-21ksoftirqd/009:00:010
25706993228,2cyclictest9-21ksoftirqd/008:00:270
25706993227,3cyclictest9-21ksoftirqd/010:25:220
25706993227,3cyclictest9-21ksoftirqd/008:40:160
25706993227,3cyclictest9-21ksoftirqd/008:30:000
25706993227,3cyclictest9-21ksoftirqd/008:20:010
25706993227,3cyclictest9-21ksoftirqd/008:20:010
25706993227,3cyclictest9-21ksoftirqd/008:10:510
25706993227,2cyclictest9-21ksoftirqd/009:30:190
25706993226,4cyclictest9-21ksoftirqd/010:36:300
138491320,10ptp4l401ktimersoftd/312:00:263
138491320,0ptp4l401ktimersoftd/308:03:233
25709993127,2cyclictest138491ptp4l09:20:223
25709993126,3cyclictest41-21ksoftirqd/312:20:433
25709993126,3cyclictest41-21ksoftirqd/307:47:213
25709993125,4cyclictest41-21ksoftirqd/311:15:483
25708993126,3cyclictest33-21ksoftirqd/208:30:272
25708993125,4cyclictest33-21ksoftirqd/211:49:532
25708993125,4cyclictest33-21ksoftirqd/210:42:332
25707993126,3cyclictest25-21ksoftirqd/111:53:171
25707993125,4cyclictest25-21ksoftirqd/111:03:101
25707993125,4cyclictest25-21ksoftirqd/111:03:101
25707993125,4cyclictest25-21ksoftirqd/109:23:561
25707993125,4cyclictest25-21ksoftirqd/109:04:241
25707993124,5cyclictest25-21ksoftirqd/111:10:571
25706993128,2cyclictest9-21ksoftirqd/012:20:180
25706993127,2cyclictest9-21ksoftirqd/009:15:130
25706993125,4cyclictest9-21ksoftirqd/011:48:590
138491310,9ptp4l401ktimersoftd/311:50:093
138491310,0ptp4l401ktimersoftd/312:16:283
138491310,0ptp4l401ktimersoftd/311:31:543
138491310,0ptp4l401ktimersoftd/309:54:533
138491310,0ptp4l401ktimersoftd/309:25:283
138491310,0ptp4l401ktimersoftd/308:27:143
25709993025,3cyclictest41-21ksoftirqd/309:41:303
25709993025,3cyclictest41-21ksoftirqd/308:41:503
25709993024,4cyclictest41-21ksoftirqd/308:36:413
25708993025,3cyclictest33-21ksoftirqd/209:20:502
25708993024,4cyclictest33-21ksoftirqd/210:31:182
25708993024,4cyclictest33-21ksoftirqd/210:31:172
25707993025,3cyclictest25-21ksoftirqd/108:37:511
25707993024,4cyclictest25-21ksoftirqd/112:38:091
25707993024,4cyclictest25-21ksoftirqd/112:07:411
25707993024,4cyclictest25-21ksoftirqd/109:12:341
25707993024,4cyclictest25-21ksoftirqd/108:09:201
25707993024,4cyclictest25-21ksoftirqd/108:01:461
25707993024,4cyclictest25-21ksoftirqd/107:50:301
25707993024,4cyclictest25-21ksoftirqd/107:48:421
25707993023,5cyclictest25-21ksoftirqd/110:45:561
25706993025,3cyclictest9-21ksoftirqd/011:42:530
25706993024,4cyclictest9-21ksoftirqd/007:49:090
138491300,0ptp4l401ktimersoftd/312:25:123
25709992923,4cyclictest41-21ksoftirqd/311:10:553
25709992923,4cyclictest41-21ksoftirqd/310:44:343
25708992924,3cyclictest33-21ksoftirqd/211:30:022
25708992924,3cyclictest33-21ksoftirqd/211:10:442
25708992924,3cyclictest33-21ksoftirqd/209:56:162
25708992924,3cyclictest33-21ksoftirqd/207:36:492
25708992923,4cyclictest33-21ksoftirqd/209:42:192
25708992923,4cyclictest33-21ksoftirqd/208:13:342
25708992923,4cyclictest33-21ksoftirqd/208:05:402
25707992924,3cyclictest25-21ksoftirqd/109:15:261
25707992924,3cyclictest25-21ksoftirqd/107:42:311
25707992924,3cyclictest1303-21runrttasks10:02:151
25707992923,4cyclictest25-21ksoftirqd/107:17:331
25706992923,3cyclictest9-21ksoftirqd/007:55:100
25709992823,3cyclictest41-21ksoftirqd/311:01:063
25709992823,3cyclictest41-21ksoftirqd/311:01:063
25709992823,3cyclictest41-21ksoftirqd/307:10:173
25708992823,3cyclictest33-21ksoftirqd/210:50:522
25708992823,3cyclictest33-21ksoftirqd/210:26:582
25708992822,4cyclictest33-21ksoftirqd/211:00:382
25708992822,4cyclictest33-21ksoftirqd/211:00:382
25708992822,4cyclictest33-21ksoftirqd/208:48:002
25708992822,4cyclictest33-21ksoftirqd/208:20:002
25708992822,4cyclictest33-21ksoftirqd/208:20:002
25707992823,3cyclictest25-21ksoftirqd/111:57:561
25707992823,3cyclictest25-21ksoftirqd/111:38:361
25707992823,3cyclictest25-21ksoftirqd/111:33:381
25707992823,3cyclictest25-21ksoftirqd/110:26:311
25707992823,3cyclictest25-21ksoftirqd/109:37:591
25707992823,3cyclictest25-21ksoftirqd/108:47:151
25706992824,2cyclictest9-21ksoftirqd/008:35:190
138491280,0ptp4l401ktimersoftd/312:39:193
25709992722,3cyclictest41-21ksoftirqd/312:32:373
25709992722,3cyclictest41-21ksoftirqd/312:32:373
25709992722,3cyclictest41-21ksoftirqd/308:58:563
25709992721,4cyclictest41-21ksoftirqd/310:15:593
25708992722,3cyclictest33-21ksoftirqd/208:36:432
25707992722,3cyclictest25-21ksoftirqd/111:42:021
25707992722,3cyclictest25-21ksoftirqd/111:16:211
25708992621,3cyclictest33-21ksoftirqd/210:20:432
25708992621,3cyclictest33-21ksoftirqd/207:44:592
25708992620,4cyclictest33-21ksoftirqd/211:36:482
25707992621,3cyclictest25-21ksoftirqd/108:40:131
25707992620,4cyclictest25-21ksoftirqd/112:18:071
25707992620,4cyclictest25-21ksoftirqd/111:24:411
25707992620,4cyclictest25-21ksoftirqd/110:24:431
25708992520,3cyclictest33-21ksoftirqd/210:16:392
25708992519,4cyclictest33-21ksoftirqd/210:36:402
25707992520,3cyclictest25-21ksoftirqd/108:15:101
25707992520,3cyclictest25-21ksoftirqd/108:15:101
25708992419,3cyclictest33-21ksoftirqd/212:30:212
25708992419,3cyclictest33-21ksoftirqd/212:30:212
25707992418,4cyclictest25-21ksoftirqd/108:29:051
25708992318,3cyclictest33-21ksoftirqd/210:59:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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