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2026-03-17 - 16:24
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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 Tue Mar 17, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2478922600,6sleep20-21swapper/207:05:122
139491231164,22phc2sys0-21swapper/307:08:533
267312204171,22sleep00-21swapper/007:08:250
266782203170,22sleep10-21swapper/107:07:501
863821570,5sleep02714699cyclictest09:55:000
15772780,1sleep10-21swapper/109:40:001
68312610,5sleep16835-21switchtime10:55:261
59672570,4sleep12714799cyclictest07:30:281
2714799550,4cyclictest13177-21seq10:00:581
237462550,4sleep10-21swapper/109:15:261
139391540,1ptp4l401ktimersoftd/308:20:233
27147994711,21cyclictest18137-21seq12:25:361
139391470,1ptp4l401ktimersoftd/307:27:093
135052460,2sleep213506-21irqrtprio08:55:212
139391430,1ptp4l0-21swapper/312:01:563
2714799420,4cyclictest30225-21taskset08:24:451
139391420,0ptp4l401ktimersoftd/309:59:503
139391420,0ptp4l401ktimersoftd/308:55:233
2714799410,4cyclictest5003-21taskset10:53:151
2714799410,3cyclictest31400-21seq07:16:471
1394914131,5phc2sys0-21swapper/307:10:003
139391410,0ptp4l401ktimersoftd/312:06:213
27148994034,3cyclictest5232-21idleruntime-cro08:40:012
2714799409,18cyclictest1317-21runrttasks10:24:241
2714799400,3cyclictest32487-21seq08:28:301
2714699400,1cyclictest0-21swapper/010:50:220
27149993935,2cyclictest24273-21sendmail09:20:013
2714799395,21cyclictest18283-21seq10:14:541
2714799394,22cyclictest0-21swapper/109:30:301
2714799390,4cyclictest14352-21seq08:55:311
2714799390,3cyclictest23135-21seq12:39:001
27146993933,4cyclictest23127-21basename08:10:000
139391390,1ptp4l401ktimersoftd/308:05:513
27149993833,3cyclictest41-21ksoftirqd/311:54:593
2714799380,3cyclictest327422chrt10:44:481
2714799380,3cyclictest21544-21seq09:10:401
2714799380,3cyclictest1317-21runrttasks08:50:261
27149993730,4cyclictest41-21ksoftirqd/309:27:593
2714799373,20cyclictest15653-21seq10:07:201
27147993731,4cyclictest25-21ksoftirqd/111:24:431
2714799372,22cyclictest0-21swapper/108:42:161
2714799371,3cyclictest18008-21seq07:55:381
27149993630,3cyclictest41-21ksoftirqd/308:40:013
27148993632,3cyclictest33-21ksoftirqd/212:00:012
27148993629,5cyclictest33-21ksoftirqd/209:42:272
27148993629,4cyclictest33-21ksoftirqd/211:50:002
27147993630,4cyclictest25-21ksoftirqd/112:11:031
27147993630,4cyclictest25-21ksoftirqd/110:46:121
27147993629,5cyclictest25-21ksoftirqd/111:02:361
27147993629,4cyclictest25-21ksoftirqd/111:51:301
2714799360,3cyclictest3618-21seq11:56:101
2714799360,3cyclictest27880-21cat09:25:191
27149993531,2cyclictest41-21ksoftirqd/310:00:173
27149993530,3cyclictest41-21ksoftirqd/311:50:003
27149993530,3cyclictest41-21ksoftirqd/308:29:593
27149993529,4cyclictest41-21ksoftirqd/307:34:113
27149993528,4cyclictest41-21ksoftirqd/309:43:273
27149993528,4cyclictest41-21ksoftirqd/307:55:113
27149993528,4cyclictest41-21ksoftirqd/307:35:113
27149993528,3cyclictest41-21ksoftirqd/311:10:123
27148993529,4cyclictest33-21ksoftirqd/209:37:412
27148993528,5cyclictest33-21ksoftirqd/208:35:002
27147993530,3cyclictest25-21ksoftirqd/107:25:001
27147993529,4cyclictest25-21ksoftirqd/110:16:311
27147993529,4cyclictest25-21ksoftirqd/108:31:321
2714799351,3cyclictest26483-21seq09:23:031
2714799350,3cyclictest5860-21seq09:46:131
2714799350,3cyclictest31145-21seq11:47:521
2714799350,3cyclictest25272-21seq10:28:131
2714799350,3cyclictest20433-21seq08:01:071
2714799350,3cyclictest15746-21seq12:21:021
27146993529,4cyclictest9-21ksoftirqd/007:51:370
2714699351,20cyclictest30830-21df_abs08:25:160
139391350,14ptp4l401ktimersoftd/309:08:523
139391350,0ptp4l401ktimersoftd/311:40:223
27149993429,3cyclictest41-21ksoftirqd/310:35:013
27149993428,4cyclictest41-21ksoftirqd/312:17:233
27149993428,4cyclictest41-21ksoftirqd/311:26:463
27148993429,3cyclictest33-21ksoftirqd/212:18:192
27148993428,4cyclictest33-21ksoftirqd/212:07:542
27148993428,4cyclictest33-21ksoftirqd/211:26:202
27148993428,4cyclictest33-21ksoftirqd/209:58:022
27148993428,4cyclictest33-21ksoftirqd/209:10:052
27148993428,3cyclictest33-21ksoftirqd/210:45:002
27147993428,4cyclictest25-21ksoftirqd/110:30:511
27147993428,4cyclictest25-21ksoftirqd/109:02:131
27147993413,16cyclictest0-21swapper/111:44:101
2714799340,3cyclictest22925-21runrttasks08:07:411
27146993428,4cyclictest9-21ksoftirqd/009:36:230
27146993428,4cyclictest9-21ksoftirqd/009:29:360
27146993428,4cyclictest9-21ksoftirqd/007:34:550
27146993428,4cyclictest9-21ksoftirqd/007:26:090
27149993329,3cyclictest41-21ksoftirqd/307:20:013
27149993328,3cyclictest41-21ksoftirqd/310:25:183
27149993328,3cyclictest41-21ksoftirqd/310:18:293
27149993328,2cyclictest41-21ksoftirqd/309:55:003
27149993327,4cyclictest41-21ksoftirqd/310:22:343
27149993327,4cyclictest41-21ksoftirqd/309:22:223
27149993327,4cyclictest41-21ksoftirqd/308:43:553
27149993327,4cyclictest41-21ksoftirqd/308:18:033
27149993327,4cyclictest41-21ksoftirqd/308:12:463
27149993327,4cyclictest41-21ksoftirqd/307:46:133
27149993327,4cyclictest41-21ksoftirqd/307:23:243
27148993328,3cyclictest33-21ksoftirqd/210:22:342
27148993328,3cyclictest33-21ksoftirqd/209:51:392
27148993328,3cyclictest33-21ksoftirqd/209:34:302
27148993327,4cyclictest33-21ksoftirqd/211:40:402
27148993327,4cyclictest33-21ksoftirqd/209:45:402
27148993327,4cyclictest33-21ksoftirqd/208:54:372
27148993327,4cyclictest33-21ksoftirqd/208:14:002
27148993327,4cyclictest33-21ksoftirqd/208:02:022
27147993327,4cyclictest25-21ksoftirqd/109:52:481
27147993327,4cyclictest25-21ksoftirqd/107:44:241
27147993326,4cyclictest25-21ksoftirqd/111:26:001
27147993315,15cyclictest12025-21cut12:15:151
2714799330,3cyclictest3086-21seq08:35:091
2714799330,3cyclictest20751-21seq12:33:461
27146993328,3cyclictest9-21ksoftirqd/011:40:000
27146993327,4cyclictest9-21ksoftirqd/010:44:260
27146993327,4cyclictest9-21ksoftirqd/009:44:370
27146993327,4cyclictest9-21ksoftirqd/009:31:490
27146993327,4cyclictest13507-21cron10:05:000
27146993326,5cyclictest9-21ksoftirqd/009:17:490
2714699331,18cyclictest22137-21runrttasks10:20:210
139391330,6ptp4l41-21ksoftirqd/312:10:243
27149993228,2cyclictest41-21ksoftirqd/310:59:593
27149993227,3cyclictest41-21ksoftirqd/312:35:113
27149993226,4cyclictest41-21ksoftirqd/311:07:433
27149993226,4cyclictest41-21ksoftirqd/309:02:113
27149993226,3cyclictest41-21ksoftirqd/312:25:003
27148993228,3cyclictest33-21ksoftirqd/210:58:352
27148993227,3cyclictest33-21ksoftirqd/212:13:492
27148993227,3cyclictest33-21ksoftirqd/207:40:272
27148993226,4cyclictest33-21ksoftirqd/208:29:102
27148993225,5cyclictest33-21ksoftirqd/208:46:342
27147993227,3cyclictest25-21ksoftirqd/112:08:471
27147993227,3cyclictest25-21ksoftirqd/112:00:101
27147993227,3cyclictest25-21ksoftirqd/108:46:491
27147993227,3cyclictest25-21ksoftirqd/108:15:121
27147993227,3cyclictest25-21ksoftirqd/107:25:371
27147993226,4cyclictest25-21ksoftirqd/111:37:031
27147993226,4cyclictest25-21ksoftirqd/111:34:501
27147993226,4cyclictest25-21ksoftirqd/111:07:451
2714799321,3cyclictest1317-21runrttasks09:06:571
2714799320,3cyclictest29343-21awk07:15:001
27146993227,3cyclictest9-21ksoftirqd/011:56:070
27146993226,4cyclictest9-21ksoftirqd/007:47:320
27146993225,4cyclictest9-21ksoftirqd/011:00:030
2714699320,2cyclictest0-21swapper/012:30:200
2714699320,1cyclictest0-21swapper/009:24:040
27149993126,3cyclictest41-21ksoftirqd/311:20:133
27149993126,3cyclictest41-21ksoftirqd/311:15:193
27149993126,3cyclictest41-21ksoftirqd/309:15:013
27149993126,3cyclictest41-21ksoftirqd/308:30:193
27149993125,4cyclictest41-21ksoftirqd/311:58:183
27149993124,4cyclictest41-21ksoftirqd/310:50:003
27148993126,3cyclictest33-21ksoftirqd/209:29:402
27148993126,3cyclictest33-21ksoftirqd/208:15:312
27148993126,3cyclictest33-21ksoftirqd/208:09:592
27148993125,4cyclictest33-21ksoftirqd/212:22:242
27148993125,4cyclictest33-21ksoftirqd/211:19:262
27148993125,4cyclictest33-21ksoftirqd/211:07:432
27148993125,4cyclictest33-21ksoftirqd/210:05:442
27148993124,4cyclictest33-21ksoftirqd/210:48:412
27147993126,3cyclictest25-21ksoftirqd/111:19:571
27147993125,4cyclictest25-21ksoftirqd/111:14:321
27147993125,4cyclictest25-21ksoftirqd/109:44:011
27147993124,4cyclictest25-21ksoftirqd/107:46:281
2714799310,4cyclictest10344-21fgrep09:55:251
27146993125,4cyclictest9-21ksoftirqd/012:19:330
27146993125,4cyclictest9-21ksoftirqd/010:27:380
27146993125,4cyclictest9-21ksoftirqd/009:49:510
27146993125,4cyclictest9-21ksoftirqd/008:51:210
2714699312,26cyclictest1735-21cut10:45:200
27149993025,3cyclictest41-21ksoftirqd/310:37:563
27149993024,4cyclictest41-21ksoftirqd/311:01:463
27149993024,4cyclictest41-21ksoftirqd/309:48:493
27149993024,4cyclictest41-21ksoftirqd/307:51:283
27148993025,3cyclictest33-21ksoftirqd/211:35:112
27148993025,3cyclictest33-21ksoftirqd/209:19:102
27148993025,3cyclictest33-21ksoftirqd/208:40:482
27148993025,3cyclictest33-21ksoftirqd/208:20:552
27148993025,3cyclictest33-21ksoftirqd/207:20:112
27148993024,4cyclictest33-21ksoftirqd/210:51:152
27148993024,4cyclictest33-21ksoftirqd/210:33:362
27148993024,4cyclictest33-21ksoftirqd/210:25:552
27148993024,4cyclictest33-21ksoftirqd/209:21:122
2714799308,19cyclictest29609-21mailstats10:35:231
27147993025,3cyclictest25-21ksoftirqd/107:52:341
2714799300,4cyclictest8999-21sed07:40:011
27146993025,3cyclictest9-21ksoftirqd/012:27:520
27146993025,3cyclictest9-21ksoftirqd/010:10:280
27146993025,3cyclictest9-21ksoftirqd/008:46:430
27146993025,3cyclictest9-21ksoftirqd/007:22:020
27146993024,4cyclictest9-21ksoftirqd/011:40:500
27146993024,4cyclictest9-21ksoftirqd/009:05:100
27146993024,4cyclictest9-21ksoftirqd/008:34:090
27146993024,4cyclictest9-21ksoftirqd/007:19:320
27146993013,15cyclictest9659-21if_enp4s007:40:170
27146993013,14cyclictest14150-21cstates12:20:120
2714699300,1cyclictest0-21swapper/012:05:010
139391300,0ptp4l401ktimersoftd/312:26:273
139391300,0ptp4l401ktimersoftd/310:50:153
27149992924,3cyclictest41-21ksoftirqd/312:35:013
27149992924,3cyclictest41-21ksoftirqd/310:43:593
27149992923,4cyclictest41-21ksoftirqd/308:52:333
27148992925,3cyclictest33-21ksoftirqd/207:13:442
27148992924,3cyclictest33-21ksoftirqd/212:30:362
27148992924,3cyclictest33-21ksoftirqd/212:00:472
27148992924,3cyclictest33-21ksoftirqd/211:51:242
27148992924,3cyclictest33-21ksoftirqd/211:21:382
27148992924,3cyclictest33-21ksoftirqd/211:11:132
27148992924,3cyclictest33-21ksoftirqd/209:04:202
27148992924,3cyclictest33-21ksoftirqd/207:55:112
27148992924,3cyclictest33-21ksoftirqd/207:30:002
27148992923,4cyclictest33-21ksoftirqd/212:27:452
27148992923,3cyclictest33-21ksoftirqd/207:52:212
2714799290,3cyclictest25168-21seq08:11:061
27146992924,3cyclictest9-21ksoftirqd/011:21:500
27146992924,3cyclictest9-21ksoftirqd/008:42:340
27146992924,3cyclictest9-21ksoftirqd/008:21:590
27146992923,4cyclictest9-21ksoftirqd/012:08:230
27146992923,4cyclictest9-21ksoftirqd/011:17:030
27146992923,4cyclictest9-21ksoftirqd/010:34:520
27146992923,4cyclictest9-21ksoftirqd/008:19:360
27146992910,15cyclictest29611-21fschecks_count11:45:150
2714699290,2cyclictest0-21swapper/012:10:170
2714699290,2cyclictest0-21swapper/009:00:210
139391290,0ptp4l401ktimersoftd/308:48:403
27149992822,4cyclictest41-21ksoftirqd/309:39:303
27148992823,3cyclictest33-21ksoftirqd/209:06:022
27148992823,3cyclictest33-21ksoftirqd/207:27:162
27148992823,3cyclictest33-21ksoftirqd/207:16:332
27148992822,4cyclictest33-21ksoftirqd/207:47:382
27146992822,4cyclictest9-21ksoftirqd/011:31:550
27146992822,4cyclictest9-21ksoftirqd/011:07:530
27146992822,4cyclictest9-21ksoftirqd/010:17:150
27146992822,4cyclictest9-21ksoftirqd/009:11:200
27146992822,4cyclictest9-21ksoftirqd/008:36:300
27146992813,12cyclictest5401-21apt-get10:55:130
2714699281,22cyclictest29610-21awk10:35:220
27146992810,16cyclictest32153-21df_abs11:50:150
139391280,0ptp4l401ktimersoftd/311:38:433
139391280,0ptp4l401ktimersoftd/309:30:303
27149992722,4cyclictest41-21ksoftirqd/311:30:353
27149992722,3cyclictest41-21ksoftirqd/310:08:323
27148992722,3cyclictest33-21ksoftirqd/212:37:562
27148992722,3cyclictest33-21ksoftirqd/211:35:002
27148992722,3cyclictest33-21ksoftirqd/210:39:142
27148992722,3cyclictest33-21ksoftirqd/210:14:152
27148992722,3cyclictest33-21ksoftirqd/210:02:122
2714699275,18cyclictest18968-21df_abs08:00:140
27146992722,3cyclictest9-21ksoftirqd/010:08:180
27146992721,4cyclictest9-21ksoftirqd/008:11:050
2714699271,22cyclictest21110-21apt-get12:35:110
2714699271,21cyclictest2031-21Xorg08:55:590
27149992623,2cyclictest41-21ksoftirqd/308:00:153
27149992621,3cyclictest41-21ksoftirqd/307:42:543
27149992620,4cyclictest41-21ksoftirqd/310:13:403
27148992621,3cyclictest33-21ksoftirqd/211:03:452
27148992621,3cyclictest33-21ksoftirqd/207:38:592
2714699265,18cyclictest9654-21irqrtprio09:55:190
2714699262,21cyclictest19845-21tr11:25:140
27146992621,3cyclictest9-21ksoftirqd/007:39:320
2714699261,22cyclictest17946-21grep07:55:270
2714699260,2cyclictest0-21swapper/011:10:240
2714699250,22cyclictest28832-21grep07:10:270
27148992318,4cyclictest33-21ksoftirqd/210:15:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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