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2026-08-01 - 16:04
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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 Sat Aug 01, 2026 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
288852238171,22sleep10-21swapper/107:06:041
290462237171,22sleep30-21swapper/307:08:113
290952206173,22sleep20-21swapper/207:08:512
289142206172,22sleep00-21swapper/007:06:270
254742650,3sleep325470-21ls08:10:013
304972580,2sleep00-21swapper/010:30:260
139291560,0ptp4l401ktimersoftd/311:06:323
139291530,1ptp4l401ktimersoftd/311:20:023
139291530,0ptp4l401ktimersoftd/307:49:443
39352520,3sleep10-21swapper/111:50:191
29483994539,3cyclictest5841-21fschecks_count08:35:161
139291440,1ptp4l401ktimersoftd/307:18:443
139291430,0ptp4l401ktimersoftd/309:28:493
139291420,0ptp4l401ktimersoftd/312:25:503
41298410,1rtkit-daemon0-21swapper/008:00:570
139291410,1ptp4l401ktimersoftd/309:54:163
29483994032,6cyclictest25-21ksoftirqd/111:24:591
29485993933,4cyclictest41-21ksoftirqd/311:57:593
29485993933,4cyclictest41-21ksoftirqd/309:12:073
29485993932,5cyclictest41-21ksoftirqd/311:35:003
29485993932,5cyclictest41-21ksoftirqd/307:33:223
29485993832,4cyclictest41-21ksoftirqd/311:38:173
29484993831,4cyclictest2579-21cron11:49:592
29483993832,4cyclictest25-21ksoftirqd/110:05:071
29483993831,4cyclictest25-21ksoftirqd/109:30:421
139291380,0ptp4l401ktimersoftd/311:50:303
139291380,0ptp4l401ktimersoftd/310:28:523
139291380,0ptp4l401ktimersoftd/310:28:523
29485993732,3cyclictest41-21ksoftirqd/312:35:543
29485993731,4cyclictest41-21ksoftirqd/310:32:593
29485993731,4cyclictest41-21ksoftirqd/308:50:533
29485993731,4cyclictest41-21ksoftirqd/308:21:163
29485993730,4cyclictest41-21ksoftirqd/310:55:413
29484993731,4cyclictest33-21ksoftirqd/208:23:112
29484993731,4cyclictest33-21ksoftirqd/207:19:502
29483993731,4cyclictest25-21ksoftirqd/108:11:031
29483993731,4cyclictest25-21ksoftirqd/107:29:311
29483993731,3cyclictest25-21ksoftirqd/112:30:391
29482993731,4cyclictest9-21ksoftirqd/011:33:090
29482993731,4cyclictest9-21ksoftirqd/009:19:220
41298360,3rtkit-daemon9859-21runrttasks08:43:591
29485993631,3cyclictest41-21ksoftirqd/310:41:533
29485993631,3cyclictest41-21ksoftirqd/308:50:003
29485993630,4cyclictest41-21ksoftirqd/312:34:533
29485993630,4cyclictest41-21ksoftirqd/310:39:453
29485993630,4cyclictest41-21ksoftirqd/309:46:093
29485993630,4cyclictest41-21ksoftirqd/309:19:493
29485993630,3cyclictest41-21ksoftirqd/308:02:023
29484993631,3cyclictest33-21ksoftirqd/209:14:022
29484993631,3cyclictest33-21ksoftirqd/209:09:412
29484993631,3cyclictest33-21ksoftirqd/208:53:122
29484993630,4cyclictest33-21ksoftirqd/212:20:522
29484993630,4cyclictest33-21ksoftirqd/211:50:432
29484993630,4cyclictest33-21ksoftirqd/211:16:462
29484993630,4cyclictest33-21ksoftirqd/208:16:462
29484993630,4cyclictest33-21ksoftirqd/207:23:542
29484993630,4cyclictest33-21ksoftirqd/207:23:542
29483993630,4cyclictest25-21ksoftirqd/110:26:391
29483993630,4cyclictest25-21ksoftirqd/110:26:391
29482993630,4cyclictest9-21ksoftirqd/011:56:150
29482993630,4cyclictest9-21ksoftirqd/011:28:360
29482993630,4cyclictest9-21ksoftirqd/010:11:130
29482993630,4cyclictest9-21ksoftirqd/008:33:490
139291360,1ptp4l401ktimersoftd/311:17:213
41298350,4rtkit-daemon0-21swapper/109:04:171
29485993530,3cyclictest41-21ksoftirqd/307:22:593
29485993530,3cyclictest41-21ksoftirqd/307:22:593
29485993529,4cyclictest41-21ksoftirqd/312:22:063
29485993529,4cyclictest41-21ksoftirqd/309:35:343
29485993529,4cyclictest41-21ksoftirqd/309:32:523
29484993530,3cyclictest33-21ksoftirqd/209:48:022
29484993530,3cyclictest33-21ksoftirqd/208:44:582
29484993529,4cyclictest33-21ksoftirqd/211:59:382
29484993529,4cyclictest33-21ksoftirqd/210:09:592
29484993529,4cyclictest33-21ksoftirqd/208:56:452
29484993529,4cyclictest33-21ksoftirqd/208:30:132
29484993528,4cyclictest33-21ksoftirqd/210:50:002
29484993521,12cyclictest33-21ksoftirqd/209:35:202
29483993530,3cyclictest25-21ksoftirqd/111:00:291
29483993530,3cyclictest25-21ksoftirqd/108:15:111
29483993529,3cyclictest25-21ksoftirqd/108:25:001
29482993530,3cyclictest9-21ksoftirqd/008:39:020
29482993529,4cyclictest9-21ksoftirqd/012:10:470
29482993529,4cyclictest9-21ksoftirqd/011:07:340
29482993529,4cyclictest9-21ksoftirqd/009:08:030
29482993529,4cyclictest9-21ksoftirqd/008:16:360
41298340,5rtkit-daemon21121-21mailstats12:25:271
41298340,1rtkit-daemon0-21swapper/107:40:031
29485993429,3cyclictest41-21ksoftirqd/310:05:533
29485993429,3cyclictest41-21ksoftirqd/308:28:113
29485993428,4cyclictest41-21ksoftirqd/312:10:003
29485993428,4cyclictest41-21ksoftirqd/312:00:023
29485993428,4cyclictest41-21ksoftirqd/310:17:063
29485993428,4cyclictest41-21ksoftirqd/309:03:363
29484993429,3cyclictest33-21ksoftirqd/207:55:102
29484993428,4cyclictest33-21ksoftirqd/212:39:292
29484993428,4cyclictest33-21ksoftirqd/211:44:352
29484993428,4cyclictest33-21ksoftirqd/210:38:032
29484993428,4cyclictest33-21ksoftirqd/208:37:202
29484993428,4cyclictest33-21ksoftirqd/208:27:402
29484993428,4cyclictest33-21ksoftirqd/208:13:252
29484993428,4cyclictest33-21ksoftirqd/207:32:572
29483993429,3cyclictest25-21ksoftirqd/112:22:371
29483993428,4cyclictest25-21ksoftirqd/111:57:051
29483993428,4cyclictest25-21ksoftirqd/111:43:251
29483993428,4cyclictest25-21ksoftirqd/109:59:391
29483993428,4cyclictest25-21ksoftirqd/109:41:131
29483993428,4cyclictest25-21ksoftirqd/107:47:081
29482993429,3cyclictest9-21ksoftirqd/007:35:140
29482993428,4cyclictest9-21ksoftirqd/010:38:050
29482993428,4cyclictest9-21ksoftirqd/009:57:450
29482993428,4cyclictest9-21ksoftirqd/009:03:210
29482993428,4cyclictest9-21ksoftirqd/008:41:310
29482993428,4cyclictest9-21ksoftirqd/008:25:530
29482993428,3cyclictest9-21ksoftirqd/007:33:430
139291340,0ptp4l401ktimersoftd/307:36:393
29485993328,3cyclictest41-21ksoftirqd/308:13:263
29485993327,4cyclictest41-21ksoftirqd/312:13:043
29485993327,3cyclictest41-21ksoftirqd/307:55:003
29484993328,3cyclictest33-21ksoftirqd/212:18:172
29484993328,3cyclictest33-21ksoftirqd/211:00:132
29484993328,3cyclictest33-21ksoftirqd/207:28:032
29484993327,4cyclictest33-21ksoftirqd/212:13:022
29484993327,4cyclictest33-21ksoftirqd/211:11:132
29484993327,4cyclictest33-21ksoftirqd/209:58:162
29484993327,4cyclictest33-21ksoftirqd/209:33:352
29483993328,3cyclictest25-21ksoftirqd/112:11:441
29483993328,3cyclictest25-21ksoftirqd/109:29:501
29483993327,4cyclictest25-21ksoftirqd/112:19:001
29483993327,4cyclictest25-21ksoftirqd/111:32:011
29483993327,4cyclictest25-21ksoftirqd/107:13:541
29483993326,4cyclictest25-21ksoftirqd/109:23:481
29482993328,3cyclictest9-21ksoftirqd/011:10:590
29482993328,3cyclictest9-21ksoftirqd/009:47:020
29482993328,3cyclictest9-21ksoftirqd/009:38:360
29482993327,4cyclictest9-21ksoftirqd/011:15:440
29482993327,4cyclictest9-21ksoftirqd/010:44:590
29482993327,4cyclictest9-21ksoftirqd/008:56:270
29482993327,4cyclictest9-21ksoftirqd/008:52:100
29482993327,4cyclictest9-21ksoftirqd/007:51:080
29482993327,4cyclictest9-21ksoftirqd/007:47:510
29482993327,4cyclictest9-21ksoftirqd/007:17:500
29485993227,3cyclictest41-21ksoftirqd/310:12:083
29485993227,3cyclictest41-21ksoftirqd/307:55:533
29485993227,3cyclictest41-21ksoftirqd/307:27:513
29485993226,4cyclictest41-21ksoftirqd/308:37:333
29485993226,4cyclictest41-21ksoftirqd/308:15:383
29484993227,3cyclictest33-21ksoftirqd/212:29:032
29484993227,3cyclictest33-21ksoftirqd/209:20:162
29484993226,4cyclictest33-21ksoftirqd/210:12:242
29484993226,4cyclictest33-21ksoftirqd/209:26:252
29484993225,4cyclictest33-21ksoftirqd/210:20:142
29483993227,3cyclictest25-21ksoftirqd/111:15:101
29483993227,3cyclictest25-21ksoftirqd/110:40:201
29483993227,3cyclictest25-21ksoftirqd/107:34:151
29483993226,4cyclictest25-21ksoftirqd/110:55:391
29483993226,4cyclictest25-21ksoftirqd/109:46:311
29483993226,4cyclictest25-21ksoftirqd/107:56:311
29483993226,3cyclictest25-21ksoftirqd/112:00:161
29482993227,3cyclictest9-21ksoftirqd/012:07:070
29482993227,3cyclictest9-21ksoftirqd/007:25:500
29482993226,4cyclictest9-21ksoftirqd/011:53:340
29482993226,4cyclictest9-21ksoftirqd/010:46:030
29482993226,4cyclictest9-21ksoftirqd/009:32:090
29482993226,4cyclictest9-21ksoftirqd/008:46:360
29482993226,4cyclictest9-21ksoftirqd/008:20:050
139291320,0ptp4l401ktimersoftd/311:43:283
139291320,0ptp4l401ktimersoftd/311:25:493
139291320,0ptp4l401ktimersoftd/310:45:113
139291320,0ptp4l401ktimersoftd/308:59:143
29485993126,3cyclictest41-21ksoftirqd/308:30:233
29485993125,4cyclictest41-21ksoftirqd/311:03:473
29484993126,3cyclictest33-21ksoftirqd/210:44:552
29484993125,4cyclictest33-21ksoftirqd/211:36:202
29484993125,4cyclictest33-21ksoftirqd/210:58:012
29484993125,4cyclictest33-21ksoftirqd/209:02:412
29484993125,4cyclictest33-21ksoftirqd/207:38:382
29483993125,4cyclictest25-21ksoftirqd/112:06:041
29483993125,4cyclictest25-21ksoftirqd/111:46:301
29483993125,4cyclictest25-21ksoftirqd/110:36:141
29483993125,4cyclictest25-21ksoftirqd/109:08:041
29483993125,4cyclictest25-21ksoftirqd/108:28:481
29483993125,4cyclictest25-21ksoftirqd/107:24:371
29483993125,4cyclictest25-21ksoftirqd/107:24:371
29482993126,3cyclictest9-21ksoftirqd/012:18:290
29482993126,3cyclictest9-21ksoftirqd/011:40:470
29482993126,3cyclictest9-21ksoftirqd/010:20:130
29482993126,3cyclictest9-21ksoftirqd/007:59:110
29482993126,3cyclictest9-21ksoftirqd/007:12:520
29482993125,4cyclictest9-21ksoftirqd/012:30:340
29482993125,4cyclictest9-21ksoftirqd/012:23:350
29482993125,4cyclictest9-21ksoftirqd/011:04:170
29482993125,4cyclictest9-21ksoftirqd/010:29:100
29482993125,4cyclictest9-21ksoftirqd/010:29:090
29482993125,4cyclictest9-21ksoftirqd/009:11:240
139291310,0ptp4l401ktimersoftd/309:20:513
29485993025,3cyclictest41-21ksoftirqd/310:53:303
29485993024,4cyclictest41-21ksoftirqd/308:42:453
29484993025,3cyclictest33-21ksoftirqd/212:30:142
29484993024,4cyclictest33-21ksoftirqd/212:01:342
29484993024,4cyclictest33-21ksoftirqd/211:33:352
29484993024,4cyclictest33-21ksoftirqd/209:51:572
29484993024,4cyclictest33-21ksoftirqd/207:40:352
29484993024,3cyclictest33-21ksoftirqd/211:08:362
29484993023,4cyclictest33-21ksoftirqd/210:01:162
29484993023,4cyclictest33-21ksoftirqd/207:47:572
29483993025,3cyclictest25-21ksoftirqd/111:38:271
29483993025,3cyclictest25-21ksoftirqd/108:07:141
29483993024,4cyclictest25-21ksoftirqd/109:38:131
29482993025,3cyclictest9-21ksoftirqd/011:46:210
29482993024,4cyclictest9-21ksoftirqd/009:52:080
29482993024,4cyclictest9-21ksoftirqd/009:23:270
139291300,0ptp4l401ktimersoftd/309:43:033
139291300,0ptp4l401ktimersoftd/309:05:593
29485992924,3cyclictest41-21ksoftirqd/311:10:153
29485992923,4cyclictest41-21ksoftirqd/311:47:203
29485992923,4cyclictest41-21ksoftirqd/307:10:353
29485992918,9cyclictest41-21ksoftirqd/309:57:573
29484992924,3cyclictest33-21ksoftirqd/212:06:492
29484992924,3cyclictest33-21ksoftirqd/211:25:232
29484992924,3cyclictest33-21ksoftirqd/208:46:312
29484992924,3cyclictest33-21ksoftirqd/208:07:242
29484992923,4cyclictest33-21ksoftirqd/211:24:532
29484992923,4cyclictest33-21ksoftirqd/210:30:082
29484992923,4cyclictest33-21ksoftirqd/210:16:132
29484992923,4cyclictest33-21ksoftirqd/208:01:412
29483992924,3cyclictest25-21ksoftirqd/109:18:591
29483992924,3cyclictest25-21ksoftirqd/108:02:081
29483992923,4cyclictest25-21ksoftirqd/111:05:581
29483992923,4cyclictest25-21ksoftirqd/110:47:091
29483992923,4cyclictest25-21ksoftirqd/108:46:091
29483992922,4cyclictest25-21ksoftirqd/111:11:591
29482992924,3cyclictest9-21ksoftirqd/012:03:370
29482992924,3cyclictest9-21ksoftirqd/010:59:350
29482992924,3cyclictest9-21ksoftirqd/007:21:470
29482992924,3cyclictest9-21ksoftirqd/007:21:470
29482992923,4cyclictest9-21ksoftirqd/011:22:220
29482992923,4cyclictest9-21ksoftirqd/009:44:450
29482992923,4cyclictest9-21ksoftirqd/008:13:590
29482992923,4cyclictest9-21ksoftirqd/008:09:300
29482992922,4cyclictest9-21ksoftirqd/012:28:120
139291290,9ptp4l401ktimersoftd/310:24:023
29485992823,3cyclictest41-21ksoftirqd/307:43:123
29484992823,3cyclictest33-21ksoftirqd/210:25:122
29484992823,3cyclictest33-21ksoftirqd/210:25:112
29483992823,3cyclictest25-21ksoftirqd/108:33:021
29483992823,3cyclictest25-21ksoftirqd/107:50:141
29483992822,4cyclictest2644-21kworker/1:210:10:221
29483992822,4cyclictest25-21ksoftirqd/110:16:401
29482992822,4cyclictest9-21ksoftirqd/010:50:170
29482992822,4cyclictest9-21ksoftirqd/009:27:520
29485992722,3cyclictest41-21ksoftirqd/312:17:503
29485992722,3cyclictest41-21ksoftirqd/310:00:013
29484992722,3cyclictest33-21ksoftirqd/209:16:052
29484992721,4cyclictest33-21ksoftirqd/210:51:472
29483992722,3cyclictest25-21ksoftirqd/111:25:071
29483992721,4cyclictest25-21ksoftirqd/108:55:511
29482992722,3cyclictest9-21ksoftirqd/012:38:080
29484992620,4cyclictest33-21ksoftirqd/209:41:482
29484992620,4cyclictest33-21ksoftirqd/207:14:032
29483992621,3cyclictest25-21ksoftirqd/110:20:281
29483992621,3cyclictest25-21ksoftirqd/110:04:431
29483992621,3cyclictest25-21ksoftirqd/109:52:491
29483992621,3cyclictest25-21ksoftirqd/107:15:201
29483992620,4cyclictest25-21ksoftirqd/112:35:511
29483992620,4cyclictest25-21ksoftirqd/108:50:551
29482992620,4cyclictest9-21ksoftirqd/011:36:460
29482992620,4cyclictest9-21ksoftirqd/010:18:350
29483992521,2cyclictest25-21ksoftirqd/109:10:141
29483992520,3cyclictest25-21ksoftirqd/110:52:321
29483992519,4cyclictest25-21ksoftirqd/107:37:251
29482992520,3cyclictest9-21ksoftirqd/007:40:160
29483992419,3cyclictest25-21ksoftirqd/110:33:041
29482992318,3cyclictest9-21ksoftirqd/010:09:540
29482992318,3cyclictest9-21ksoftirqd/010:01:460
29484992218,3cyclictest33-21ksoftirqd/207:50:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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