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2026-09-17 - 00:11
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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 376 highest latencies:
System rackdslot2.osadl.org (updated Wed Sep 16, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322812207174,22sleep30-21swapper/307:06:023
323642205172,22sleep20-21swapper/207:07:052
323922204171,22sleep00-21swapper/007:07:280
323432203170,22sleep10-21swapper/107:06:491
1590421340,7sleep344999cyclictest07:40:203
139291660,1ptp4l401ktimersoftd/308:25:213
3259725235,10sleep00-21swapper/007:10:010
179612520,6sleep341-21ksoftirqd/312:15:163
179612520,6sleep341-21ksoftirqd/312:15:153
44799467,6cyclictest25-21ksoftirqd/111:35:151
139291440,1ptp4l401ktimersoftd/308:36:083
139291430,0ptp4l401ktimersoftd/311:33:173
139291420,0ptp4l401ktimersoftd/308:59:083
139291410,1ptp4l401ktimersoftd/311:05:473
139291410,0ptp4l401ktimersoftd/310:34:593
44799400,7cyclictest27118-21df_inode08:05:151
446994034,3cyclictest9-21ksoftirqd/009:07:460
139291400,1ptp4l401ktimersoftd/309:28:553
139291400,0ptp4l401ktimersoftd/311:54:563
449993933,4cyclictest41-21ksoftirqd/309:02:323
44799392,5cyclictest25-21ksoftirqd/110:15:241
44799391,8cyclictest9738-21iostat_ios10:50:171
44799390,7cyclictest15492-21df12:10:111
44699393,3cyclictest121rcu_preempt07:15:180
44799386,6cyclictest25-21ksoftirqd/111:00:271
447993832,4cyclictest25-21ksoftirqd/110:27:101
449993732,3cyclictest41-21ksoftirqd/310:11:403
449993731,4cyclictest41-21ksoftirqd/312:39:073
449993731,4cyclictest41-21ksoftirqd/311:36:373
449993731,4cyclictest41-21ksoftirqd/309:24:013
449993731,4cyclictest41-21ksoftirqd/308:44:063
449993731,4cyclictest41-21ksoftirqd/307:46:413
449993730,4cyclictest41-21ksoftirqd/311:21:583
448993731,4cyclictest33-21ksoftirqd/212:08:252
447993731,4cyclictest25-21ksoftirqd/108:04:211
447993730,4cyclictest25-21ksoftirqd/112:30:591
44799372,5cyclictest25-21ksoftirqd/107:12:071
446993731,4cyclictest9-21ksoftirqd/008:49:490
446993731,4cyclictest9-21ksoftirqd/007:32:060
446993730,4cyclictest9-21ksoftirqd/009:51:390
446993730,4cyclictest9-21ksoftirqd/009:51:390
446993730,4cyclictest9-21ksoftirqd/008:58:070
139291370,0ptp4l401ktimersoftd/308:10:213
449993631,3cyclictest41-21ksoftirqd/311:41:063
449993630,4cyclictest41-21ksoftirqd/312:01:153
449993630,4cyclictest41-21ksoftirqd/311:02:303
449993630,4cyclictest41-21ksoftirqd/310:59:543
449993630,4cyclictest41-21ksoftirqd/310:59:543
449993630,4cyclictest41-21ksoftirqd/310:16:053
449993630,4cyclictest41-21ksoftirqd/308:20:073
449993630,4cyclictest41-21ksoftirqd/307:23:473
448993631,3cyclictest33-21ksoftirqd/212:17:322
448993631,3cyclictest33-21ksoftirqd/212:17:322
448993631,3cyclictest33-21ksoftirqd/209:55:142
448993630,4cyclictest33-21ksoftirqd/212:35:332
448993630,4cyclictest33-21ksoftirqd/212:28:342
448993630,4cyclictest33-21ksoftirqd/212:03:442
448993630,4cyclictest33-21ksoftirqd/211:55:332
448993630,4cyclictest33-21ksoftirqd/208:51:392
448993630,4cyclictest33-21ksoftirqd/208:33:582
447993631,3cyclictest25-21ksoftirqd/109:57:541
447993630,4cyclictest25-21ksoftirqd/110:59:401
447993630,4cyclictest25-21ksoftirqd/110:59:401
447993630,4cyclictest25-21ksoftirqd/108:33:531
447993630,3cyclictest25-21ksoftirqd/109:15:001
447993630,3cyclictest25-21ksoftirqd/109:00:131
447993629,4cyclictest25-21ksoftirqd/108:22:591
44799362,6cyclictest25-21ksoftirqd/108:55:211
446993630,4cyclictest9-21ksoftirqd/010:58:070
446993630,4cyclictest9-21ksoftirqd/010:58:060
446993630,4cyclictest9-21ksoftirqd/010:06:150
446993630,4cyclictest9-21ksoftirqd/008:03:230
446993630,4cyclictest9-21ksoftirqd/007:45:340
446993629,4cyclictest9-21ksoftirqd/008:07:530
139291360,1ptp4l391rcuc/307:35:173
449993530,3cyclictest41-21ksoftirqd/312:12:343
449993530,3cyclictest41-21ksoftirqd/311:16:263
449993530,3cyclictest41-21ksoftirqd/308:05:133
449993529,4cyclictest41-21ksoftirqd/310:47:343
449993529,4cyclictest41-21ksoftirqd/309:34:453
449993529,4cyclictest41-21ksoftirqd/309:10:503
449993529,4cyclictest41-21ksoftirqd/308:03:303
448993530,3cyclictest33-21ksoftirqd/212:31:472
448993530,3cyclictest33-21ksoftirqd/210:53:182
448993530,3cyclictest33-21ksoftirqd/208:37:392
448993530,3cyclictest33-21ksoftirqd/207:35:502
448993529,4cyclictest33-21ksoftirqd/211:04:262
448993529,4cyclictest33-21ksoftirqd/210:21:222
448993529,4cyclictest33-21ksoftirqd/209:26:502
448993529,4cyclictest33-21ksoftirqd/209:06:032
448993529,4cyclictest33-21ksoftirqd/207:55:102
44799357,7cyclictest25-21ksoftirqd/109:05:011
44799353,8cyclictest25-21ksoftirqd/111:14:501
446993530,3cyclictest9-21ksoftirqd/012:17:220
446993530,3cyclictest9-21ksoftirqd/012:17:220
446993530,3cyclictest9-21ksoftirqd/011:35:130
446993530,3cyclictest9-21ksoftirqd/009:40:120
446993530,3cyclictest9-21ksoftirqd/009:31:340
446993530,2cyclictest9-21ksoftirqd/012:10:110
446993529,4cyclictest9-21ksoftirqd/012:04:100
446993529,4cyclictest9-21ksoftirqd/010:50:090
446993529,4cyclictest9-21ksoftirqd/010:19:500
446993529,4cyclictest9-21ksoftirqd/009:57:330
446993529,4cyclictest9-21ksoftirqd/009:49:380
446993529,4cyclictest9-21ksoftirqd/009:17:370
446993529,4cyclictest9-21ksoftirqd/007:23:160
449993429,3cyclictest41-21ksoftirqd/310:32:173
449993429,3cyclictest41-21ksoftirqd/307:51:073
449993428,4cyclictest41-21ksoftirqd/312:09:503
449993428,4cyclictest41-21ksoftirqd/311:27:373
449993428,4cyclictest41-21ksoftirqd/310:04:223
449993428,4cyclictest41-21ksoftirqd/309:05:043
449993428,4cyclictest41-21ksoftirqd/308:15:143
449993427,4cyclictest41-21ksoftirqd/307:27:563
448993429,3cyclictest33-21ksoftirqd/211:10:362
448993429,3cyclictest33-21ksoftirqd/210:31:112
448993429,3cyclictest33-21ksoftirqd/209:50:172
448993429,3cyclictest33-21ksoftirqd/209:50:172
448993429,3cyclictest33-21ksoftirqd/208:55:112
448993429,3cyclictest33-21ksoftirqd/208:49:522
448993429,3cyclictest33-21ksoftirqd/208:42:392
448993429,3cyclictest33-21ksoftirqd/207:30:132
448993428,4cyclictest33-21ksoftirqd/211:29:022
448993428,4cyclictest33-21ksoftirqd/210:59:492
448993428,4cyclictest33-21ksoftirqd/210:59:482
448993428,4cyclictest33-21ksoftirqd/210:27:482
448993428,4cyclictest33-21ksoftirqd/207:29:232
44799343,5cyclictest25-21ksoftirqd/111:20:081
447993429,3cyclictest25-21ksoftirqd/111:53:241
447993428,4cyclictest25-21ksoftirqd/110:01:551
447993428,4cyclictest25-21ksoftirqd/107:56:341
447993428,3cyclictest25-21ksoftirqd/107:21:521
447993427,4cyclictest25-21ksoftirqd/111:16:121
44799342,6cyclictest25-21ksoftirqd/107:46:051
44799341,5cyclictest25-21ksoftirqd/108:15:171
446993429,3cyclictest9-21ksoftirqd/011:57:230
446993429,3cyclictest9-21ksoftirqd/011:16:440
446993429,3cyclictest9-21ksoftirqd/008:32:360
446993428,4cyclictest9-21ksoftirqd/011:53:220
446993428,4cyclictest9-21ksoftirqd/011:34:330
446993428,4cyclictest9-21ksoftirqd/011:21:090
446993428,4cyclictest9-21ksoftirqd/010:42:460
446993428,4cyclictest9-21ksoftirqd/010:22:110
446993428,4cyclictest9-21ksoftirqd/009:24:030
446993428,4cyclictest9-21ksoftirqd/008:44:110
446993428,4cyclictest9-21ksoftirqd/008:28:190
446993428,4cyclictest9-21ksoftirqd/008:21:210
446993428,4cyclictest9-21ksoftirqd/007:55:330
446993428,4cyclictest9-21ksoftirqd/007:35:470
139291340,0ptp4l401ktimersoftd/307:31:063
449993328,3cyclictest41-21ksoftirqd/310:08:153
449993327,4cyclictest41-21ksoftirqd/308:31:513
448993327,4cyclictest33-21ksoftirqd/209:01:592
448993327,4cyclictest33-21ksoftirqd/207:21:092
448993327,4cyclictest33-21ksoftirqd/207:19:242
447993328,3cyclictest25-21ksoftirqd/109:32:471
447993328,3cyclictest25-21ksoftirqd/108:50:341
447993327,4cyclictest25-21ksoftirqd/111:33:181
447993327,4cyclictest25-21ksoftirqd/109:25:431
447993327,4cyclictest25-21ksoftirqd/108:13:071
447993326,4cyclictest25-21ksoftirqd/110:45:161
447993326,4cyclictest25-21ksoftirqd/108:38:391
44799332,5cyclictest0-21swapper/112:07:491
446993328,3cyclictest9-21ksoftirqd/009:38:550
446993328,3cyclictest9-21ksoftirqd/009:13:470
446993327,4cyclictest9-21ksoftirqd/011:29:000
446993327,4cyclictest9-21ksoftirqd/011:11:430
446993327,4cyclictest9-21ksoftirqd/007:26:210
139291330,0ptp4l401ktimersoftd/309:15:143
449993227,3cyclictest41-21ksoftirqd/310:40:363
449993227,3cyclictest41-21ksoftirqd/309:52:073
449993227,3cyclictest41-21ksoftirqd/309:52:063
449993226,4cyclictest41-21ksoftirqd/311:58:033
449993226,4cyclictest41-21ksoftirqd/309:56:103
449993226,4cyclictest41-21ksoftirqd/307:17:453
449993225,4cyclictest41-21ksoftirqd/310:22:233
448993227,3cyclictest33-21ksoftirqd/211:09:142
448993227,3cyclictest33-21ksoftirqd/208:27:422
448993226,4cyclictest33-21ksoftirqd/212:21:322
448993226,4cyclictest33-21ksoftirqd/211:53:202
448993226,4cyclictest33-21ksoftirqd/209:46:442
448993226,4cyclictest33-21ksoftirqd/208:15:022
448993226,3cyclictest33-21ksoftirqd/208:02:082
448993225,5cyclictest33-21ksoftirqd/207:46:442
44799324,6cyclictest25-21ksoftirqd/112:16:371
44799324,6cyclictest25-21ksoftirqd/112:16:371
447993227,3cyclictest25-21ksoftirqd/111:40:561
447993227,3cyclictest25-21ksoftirqd/107:17:001
44799322,6cyclictest25-21ksoftirqd/108:40:251
447993226,4cyclictest25-21ksoftirqd/110:32:201
447993225,4cyclictest25-21ksoftirqd/112:26:541
446993227,3cyclictest9-21ksoftirqd/011:47:210
446993227,3cyclictest9-21ksoftirqd/010:36:000
446993226,4cyclictest9-21ksoftirqd/012:39:110
446993226,4cyclictest9-21ksoftirqd/012:21:100
446993226,4cyclictest9-21ksoftirqd/012:06:390
446993226,4cyclictest9-21ksoftirqd/011:44:120
446993226,4cyclictest9-21ksoftirqd/010:12:330
446993226,4cyclictest9-21ksoftirqd/008:36:360
449993126,3cyclictest41-21ksoftirqd/311:45:123
449993126,3cyclictest41-21ksoftirqd/311:10:013
449993126,3cyclictest41-21ksoftirqd/309:48:093
449993126,3cyclictest41-21ksoftirqd/308:53:173
449993126,3cyclictest41-21ksoftirqd/308:47:463
449993125,4cyclictest41-21ksoftirqd/310:51:323
448993126,3cyclictest33-21ksoftirqd/211:49:012
448993126,3cyclictest33-21ksoftirqd/210:36:262
448993126,3cyclictest33-21ksoftirqd/209:38:552
448993126,3cyclictest33-21ksoftirqd/207:52:222
448993125,4cyclictest33-21ksoftirqd/212:13:272
448993125,4cyclictest33-21ksoftirqd/211:33:272
448993125,4cyclictest33-21ksoftirqd/209:40:132
448993125,4cyclictest33-21ksoftirqd/209:17:192
447993126,3cyclictest25-21ksoftirqd/110:06:531
447993126,3cyclictest25-21ksoftirqd/108:29:161
44799312,5cyclictest25-21ksoftirqd/109:41:591
447993125,4cyclictest25-21ksoftirqd/109:16:381
447993125,3cyclictest25-21ksoftirqd/110:37:531
447993125,3cyclictest25-21ksoftirqd/110:21:251
446993126,3cyclictest9-21ksoftirqd/012:28:000
446993126,3cyclictest9-21ksoftirqd/011:09:550
446993125,4cyclictest9-21ksoftirqd/008:16:030
446993124,4cyclictest9-21ksoftirqd/011:01:520
449993025,3cyclictest41-21ksoftirqd/309:43:103
449993025,3cyclictest41-21ksoftirqd/307:13:013
448993026,2cyclictest33-21ksoftirqd/211:40:222
448993025,3cyclictest33-21ksoftirqd/211:20:122
448993025,3cyclictest33-21ksoftirqd/210:05:172
448993025,3cyclictest33-21ksoftirqd/209:25:002
448993025,3cyclictest33-21ksoftirqd/208:23:342
448993025,3cyclictest33-21ksoftirqd/208:13:282
448993025,3cyclictest33-21ksoftirqd/208:07:382
448993024,4cyclictest33-21ksoftirqd/210:43:242
448993024,4cyclictest33-21ksoftirqd/207:44:442
44799303,5cyclictest25-21ksoftirqd/111:46:571
44799302,6cyclictest25-21ksoftirqd/111:08:491
44799302,5cyclictest25-21ksoftirqd/107:53:451
447993024,3cyclictest25-21ksoftirqd/111:56:291
447993023,4cyclictest25-21ksoftirqd/109:55:001
447993023,4cyclictest25-21ksoftirqd/109:54:591
446993025,3cyclictest9-21ksoftirqd/010:45:520
446993024,4cyclictest9-21ksoftirqd/008:51:010
446993024,4cyclictest9-21ksoftirqd/007:44:460
139291300,0ptp4l401ktimersoftd/312:25:173
448992924,3cyclictest33-21ksoftirqd/210:13:392
448992924,3cyclictest33-21ksoftirqd/209:12:272
448992922,5cyclictest33-21ksoftirqd/207:10:132
44799292,5cyclictest25-21ksoftirqd/110:11:451
447992923,3cyclictest25-21ksoftirqd/111:25:111
139291290,1ptp4l0-21swapper/309:38:213
139291290,0ptp4l401ktimersoftd/307:58:593
449992823,3cyclictest41-21ksoftirqd/312:22:333
449992823,3cyclictest41-21ksoftirqd/310:26:343
44999280,2cyclictest0-21swapper/312:30:233
448992823,3cyclictest33-21ksoftirqd/211:16:402
448992823,3cyclictest33-21ksoftirqd/210:02:042
447992823,3cyclictest25-21ksoftirqd/108:45:051
446992823,3cyclictest9-21ksoftirqd/012:32:010
446992823,3cyclictest9-21ksoftirqd/009:29:120
446992822,4cyclictest9-21ksoftirqd/007:53:320
446992821,4cyclictest9-21ksoftirqd/010:03:590
448992723,3cyclictest33-21ksoftirqd/209:30:152
448992722,3cyclictest33-21ksoftirqd/210:48:142
448992722,3cyclictest33-21ksoftirqd/210:19:522
44799273,4cyclictest0-21swapper/112:23:231
447992722,3cyclictest25-21ksoftirqd/112:35:181
447992722,3cyclictest25-21ksoftirqd/107:30:121
447992721,3cyclictest25-21ksoftirqd/107:27:261
446992721,4cyclictest9-21ksoftirqd/010:27:500
446992721,4cyclictest9-21ksoftirqd/008:10:540
447992621,3cyclictest25-21ksoftirqd/109:47:351
447992619,4cyclictest25-21ksoftirqd/109:20:161
448992519,4cyclictest33-21ksoftirqd/211:37:262
44799258,8cyclictest25-21ksoftirqd/109:38:201
44799257,3cyclictest25-21ksoftirqd/107:35:211
447992419,3cyclictest25-21ksoftirqd/112:02:251
446992418,3cyclictest9-21ksoftirqd/009:02:200
447992317,3cyclictest25-21ksoftirqd/107:42:351
446992317,3cyclictest9-21ksoftirqd/010:31:590
447992216,3cyclictest25-21ksoftirqd/110:44:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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