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2025-07-17 - 00:49
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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 all highest latencies:
System rackdslot4.osadl.org (updated Wed Jul 16, 2025 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
280912205173,21sleep20-21swapper/207:07:432
279262204171,23sleep00-21swapper/007:05:360
134791203169,22phc2sys0-21swapper/307:09:273
280952202169,22sleep10-21swapper/107:07:461
391621500,6sleep12856899cyclictest08:30:021
134991650,1ptp4l401ktimersoftd/308:47:463
2827526239,13sleep20-21swapper/207:10:002
28569995827,4cyclictest33-21ksoftirqd/208:55:002
130691580,3getstats41-21ksoftirqd/310:25:433
28569995527,12cyclictest33-21ksoftirqd/207:15:262
28569995319,6cyclictest33-21ksoftirqd/208:20:252
134991530,1ptp4l401ktimersoftd/308:00:243
28569995220,9cyclictest33-21ksoftirqd/208:10:002
28569995220,4cyclictest33-21ksoftirqd/207:50:152
28569995122,6cyclictest33-21ksoftirqd/207:30:232
28569995120,4cyclictest33-21ksoftirqd/211:20:012
28569995021,3cyclictest33-21ksoftirqd/209:20:292
28569995017,11cyclictest33-21ksoftirqd/208:44:592
28568995044,3cyclictest31195-21dump-pmu-power11:35:001
28569994919,5cyclictest33-21ksoftirqd/211:00:252
28569994919,5cyclictest33-21ksoftirqd/211:00:242
28569994919,4cyclictest33-21ksoftirqd/211:50:142
28569994918,4cyclictest33-21ksoftirqd/211:55:142
28569994819,4cyclictest33-21ksoftirqd/209:55:172
28569994818,4cyclictest33-21ksoftirqd/209:40:142
28569994813,7cyclictest33-21ksoftirqd/210:10:242
28569994721,6cyclictest33-21ksoftirqd/209:05:232
28569994720,4cyclictest33-21ksoftirqd/207:45:132
28569994715,4cyclictest33-21ksoftirqd/208:10:012
28569994627,17cyclictest33-21ksoftirqd/208:00:012
28569994619,7cyclictest33-21ksoftirqd/208:55:192
28569994617,3cyclictest33-21ksoftirqd/212:30:182
28569994612,3cyclictest33-21ksoftirqd/208:45:162
28569994612,10cyclictest33-21ksoftirqd/212:05:002
2856999452,2cyclictest121rcu_preempt10:40:012
28569994518,3cyclictest33-21ksoftirqd/208:00:252
28569994516,7cyclictest33-21ksoftirqd/209:45:212
28569994515,3cyclictest33-21ksoftirqd/209:50:122
28569994513,3cyclictest33-21ksoftirqd/208:25:282
2856999441,3cyclictest121rcu_preempt10:50:202
28569994411,5cyclictest33-21ksoftirqd/210:35:012
66862430,6sleep20-21swapper/210:45:152
2856999439,10cyclictest33-21ksoftirqd/207:30:002
2856999433,7cyclictest33-21ksoftirqd/212:25:242
28569994337,3cyclictest33-21ksoftirqd/211:44:592
2856999433,2cyclictest33-21ksoftirqd/211:30:272
28569994331,9cyclictest33-21ksoftirqd/212:10:262
28569994330,11cyclictest33-21ksoftirqd/208:20:002
28569994317,7cyclictest33-21ksoftirqd/207:20:262
28569994316,3cyclictest33-21ksoftirqd/209:30:272
28569994315,7cyclictest33-21ksoftirqd/210:20:182
2856999431,3cyclictest121rcu_preempt09:25:162
28569994313,4cyclictest33-21ksoftirqd/211:05:162
28569994311,6cyclictest33-21ksoftirqd/210:00:132
134991430,1ptp4l401ktimersoftd/311:39:483
134991430,0ptp4l401ktimersoftd/312:14:523
28569994236,3cyclictest33-21ksoftirqd/210:15:122
28569994236,3cyclictest33-21ksoftirqd/208:35:012
28569994230,9cyclictest33-21ksoftirqd/207:35:262
28569994222,18cyclictest33-21ksoftirqd/212:15:272
2856999421,3cyclictest121rcu_preempt12:35:262
28569994213,9cyclictest33-21ksoftirqd/212:10:002
28569994210,4cyclictest33-21ksoftirqd/211:25:192
134991420,0ptp4l401ktimersoftd/311:43:143
134991420,0ptp4l401ktimersoftd/309:39:213
2856999417,4cyclictest33-21ksoftirqd/209:35:272
28569994110,10cyclictest33-21ksoftirqd/208:40:002
134991410,0ptp4l401ktimersoftd/312:28:423
28570994035,3cyclictest41-21ksoftirqd/308:45:003
28570994035,3cyclictest31198-21turbostat11:35:003
28569994034,3cyclictest33-21ksoftirqd/211:00:012
28569994033,4cyclictest33-21ksoftirqd/210:10:002
28569994033,4cyclictest33-21ksoftirqd/210:10:002
28569994016,7cyclictest33-21ksoftirqd/209:10:292
130691400,1getstats0-21swapper/307:30:423
28570993933,4cyclictest41-21ksoftirqd/310:14:023
2856999393,6cyclictest33-21ksoftirqd/209:15:222
28569993934,3cyclictest33-21ksoftirqd/212:25:012
28569993926,6cyclictest33-21ksoftirqd/211:45:222
28568993926,11cyclictest25-21ksoftirqd/110:07:311
28568993926,11cyclictest25-21ksoftirqd/110:07:301
28570993831,4cyclictest41-21ksoftirqd/311:13:243
28570993831,4cyclictest41-21ksoftirqd/308:36:023
2856999384,5cyclictest33-21ksoftirqd/209:00:152
28569993832,3cyclictest33-21ksoftirqd/210:30:002
28568993822,4cyclictest25-21ksoftirqd/109:40:241
28567993812,4cyclictest21914-21sed12:20:170
28570993731,4cyclictest41-21ksoftirqd/310:20:083
28570993731,4cyclictest41-21ksoftirqd/310:07:123
28570993731,4cyclictest41-21ksoftirqd/310:07:113
28570993731,4cyclictest41-21ksoftirqd/307:38:253
28570993730,4cyclictest41-21ksoftirqd/310:46:433
28570993730,4cyclictest41-21ksoftirqd/309:08:593
28570993730,4cyclictest41-21ksoftirqd/308:31:563
2856999377,9cyclictest33-21ksoftirqd/211:10:152
2856999373,3cyclictest121rcu_preempt10:40:172
28569993731,3cyclictest33-21ksoftirqd/211:20:132
28570993630,4cyclictest41-21ksoftirqd/312:30:393
28570993630,4cyclictest41-21ksoftirqd/309:43:173
28570993630,4cyclictest41-21ksoftirqd/307:54:013
28570993630,3cyclictest41-21ksoftirqd/309:00:123
28569993630,3cyclictest33-21ksoftirqd/211:39:592
28569993630,3cyclictest33-21ksoftirqd/207:40:182
28568993631,3cyclictest25-21ksoftirqd/108:41:331
28568993630,4cyclictest25-21ksoftirqd/112:38:311
28568993630,4cyclictest25-21ksoftirqd/110:03:371
28568993630,4cyclictest25-21ksoftirqd/108:52:281
28568993629,5cyclictest25-21ksoftirqd/107:51:181
28568993629,4cyclictest25-21ksoftirqd/110:56:321
28567993630,4cyclictest9-21ksoftirqd/011:09:590
134991360,0ptp4l401ktimersoftd/311:00:133
134991360,0ptp4l401ktimersoftd/311:00:133
130891360,2getstats0-21swapper/311:15:263
28570993530,3cyclictest41-21ksoftirqd/311:09:433
28570993529,4cyclictest41-21ksoftirqd/311:56:413
28570993529,3cyclictest41-21ksoftirqd/311:20:513
28570993529,3cyclictest41-21ksoftirqd/309:18:543
28568993529,4cyclictest25-21ksoftirqd/110:50:381
28568993529,4cyclictest25-21ksoftirqd/110:11:551
28568993529,4cyclictest25-21ksoftirqd/109:18:321
28568993529,4cyclictest25-21ksoftirqd/108:07:551
28568993529,4cyclictest25-21ksoftirqd/108:03:221
28568993529,4cyclictest25-21ksoftirqd/107:59:091
28568993529,4cyclictest25-21ksoftirqd/107:31:531
134991350,0ptp4l401ktimersoftd/308:20:243
28570993429,3cyclictest41-21ksoftirqd/308:28:243
28570993428,4cyclictest41-21ksoftirqd/312:36:253
28570993428,4cyclictest41-21ksoftirqd/309:32:493
28570993427,4cyclictest41-21ksoftirqd/310:58:273
28568993429,3cyclictest25-21ksoftirqd/110:15:371
28568993429,3cyclictest25-21ksoftirqd/108:29:371
28568993429,3cyclictest25-21ksoftirqd/107:36:211
28568993428,4cyclictest25-21ksoftirqd/112:25:111
28568993428,4cyclictest25-21ksoftirqd/112:22:251
28568993428,4cyclictest25-21ksoftirqd/111:04:271
28568993428,4cyclictest25-21ksoftirqd/111:04:271
28568993428,4cyclictest25-21ksoftirqd/109:28:391
28568993428,4cyclictest25-21ksoftirqd/108:39:251
28568993428,4cyclictest25-21ksoftirqd/107:24:261
28568993428,4cyclictest25-21ksoftirqd/107:10:421
28568993427,5cyclictest25-21ksoftirqd/112:06:421
28568993427,4cyclictest25-21ksoftirqd/112:00:361
28568993412,19cyclictest1762-21expr09:30:171
28567993428,4cyclictest9-21ksoftirqd/010:28:510
28567993428,4cyclictest9-21ksoftirqd/008:49:020
28567993428,4cyclictest9-21ksoftirqd/008:03:050
28570993328,3cyclictest41-21ksoftirqd/312:06:123
28570993327,4cyclictest41-21ksoftirqd/310:42:463
28570993327,4cyclictest41-21ksoftirqd/309:29:053
28570993327,4cyclictest41-21ksoftirqd/309:13:003
28570993327,4cyclictest41-21ksoftirqd/308:52:063
28570993327,4cyclictest41-21ksoftirqd/308:19:413
28570993327,4cyclictest41-21ksoftirqd/307:12:333
28570993327,3cyclictest41-21ksoftirqd/312:18:593
28570993326,4cyclictest41-21ksoftirqd/309:48:153
28570993326,4cyclictest41-21ksoftirqd/309:23:113
2856899334,27cyclictest3624-21kworker/1:112:18:071
28568993327,4cyclictest25-21ksoftirqd/111:56:551
28568993327,4cyclictest25-21ksoftirqd/111:53:221
28568993327,4cyclictest25-21ksoftirqd/111:43:031
28568993327,4cyclictest25-21ksoftirqd/111:27:581
28568993327,4cyclictest25-21ksoftirqd/109:00:101
28568993327,4cyclictest25-21ksoftirqd/108:25:001
28568993327,4cyclictest25-21ksoftirqd/107:16:121
28568993326,4cyclictest25-21ksoftirqd/108:48:231
28568993312,3cyclictest17027-21fschecks_count08:55:161
28568993312,18cyclictest30477-21timedrift09:20:301
28568993311,19cyclictest31745-21ls11:35:151
28567993328,3cyclictest9-21ksoftirqd/012:14:510
28567993327,4cyclictest9-21ksoftirqd/011:36:510
28567993327,4cyclictest9-21ksoftirqd/010:58:130
28567993327,4cyclictest9-21ksoftirqd/010:19:290
28567993327,4cyclictest9-21ksoftirqd/010:02:440
28567993327,4cyclictest9-21ksoftirqd/009:50:440
28567993327,4cyclictest9-21ksoftirqd/009:22:360
28567993327,4cyclictest9-21ksoftirqd/008:52:390
28567993327,4cyclictest9-21ksoftirqd/007:52:260
28567993327,4cyclictest9-21ksoftirqd/007:43:550
28567993327,4cyclictest9-21ksoftirqd/007:34:570
28567993327,4cyclictest9-21ksoftirqd/007:14:550
28570993227,3cyclictest41-21ksoftirqd/311:55:003
28570993226,4cyclictest41-21ksoftirqd/310:17:033
28568993226,4cyclictest25-21ksoftirqd/111:46:281
28568993226,4cyclictest25-21ksoftirqd/110:33:301
28568993226,4cyclictest25-21ksoftirqd/110:24:321
28568993226,4cyclictest25-21ksoftirqd/109:14:511
28568993214,16cyclictest8561-21idleruntime-cro10:49:591
28568993210,3cyclictest22015-21tune2fs09:05:171
2856799329,5cyclictest9-21ksoftirqd/011:02:400
2856799329,5cyclictest9-21ksoftirqd/011:02:400
28567993227,3cyclictest9-21ksoftirqd/008:30:370
28567993227,3cyclictest9-21ksoftirqd/007:16:370
28567993226,4cyclictest9-21ksoftirqd/011:21:020
28567993226,4cyclictest9-21ksoftirqd/010:24:060
28567993226,4cyclictest9-21ksoftirqd/008:59:340
28567993226,4cyclictest9-21ksoftirqd/008:05:050
279292320,3sleep02856799cyclictest11:25:240
134991320,0ptp4l401ktimersoftd/310:32:563
28570993126,3cyclictest41-21ksoftirqd/309:58:073
28570993126,3cyclictest41-21ksoftirqd/308:56:353
28570993126,3cyclictest41-21ksoftirqd/307:48:353
28570993125,4cyclictest41-21ksoftirqd/311:26:243
28570993125,4cyclictest41-21ksoftirqd/307:59:433
28570993125,3cyclictest41-21ksoftirqd/307:41:513
2856899318,21cyclictest5584-21kworker/1:107:42:071
28568993126,3cyclictest25-21ksoftirqd/109:45:121
28568993125,4cyclictest25-21ksoftirqd/111:06:321
28568993125,4cyclictest25-21ksoftirqd/110:28:011
28568993125,4cyclictest25-21ksoftirqd/108:12:211
28568993125,3cyclictest25-21ksoftirqd/110:45:001
28568993124,4cyclictest25-21ksoftirqd/108:15:011
28567993126,3cyclictest9-21ksoftirqd/012:08:000
28567993126,3cyclictest9-21ksoftirqd/010:38:590
28567993126,3cyclictest9-21ksoftirqd/010:32:330
28567993126,3cyclictest9-21ksoftirqd/008:21:340
28567993125,4cyclictest9-21ksoftirqd/012:39:220
28567993125,4cyclictest9-21ksoftirqd/011:16:340
28567993125,4cyclictest9-21ksoftirqd/010:12:470
28567993125,4cyclictest9-21ksoftirqd/007:59:280
28567993125,4cyclictest9-21ksoftirqd/007:20:330
28567993124,4cyclictest9-21ksoftirqd/009:56:340
28567993124,4cyclictest9-21ksoftirqd/007:48:040
28567993111,3cyclictest8819-21cat08:40:000
28570993025,3cyclictest41-21ksoftirqd/312:00:463
28570993025,3cyclictest41-21ksoftirqd/310:52:463
28570993025,3cyclictest41-21ksoftirqd/309:52:113
28570993024,4cyclictest41-21ksoftirqd/310:02:233
28570993023,4cyclictest41-21ksoftirqd/310:36:453
2856899307,4cyclictest261182chrt11:23:091
28568993025,3cyclictest25-21ksoftirqd/111:12:341
28568993025,3cyclictest25-21ksoftirqd/109:38:131
28568993023,4cyclictest25-21ksoftirqd/111:18:191
28568993010,3cyclictest5083-21mailstats07:25:261
28567993025,3cyclictest9-21ksoftirqd/011:44:090
28567993025,3cyclictest9-21ksoftirqd/011:13:370
28567993025,3cyclictest9-21ksoftirqd/009:32:430
28567993025,3cyclictest9-21ksoftirqd/008:40:040
28567993024,4cyclictest9-21ksoftirqd/008:27:360
28567993024,4cyclictest9-21ksoftirqd/007:25:380
1347913024,2phc2sys41-21ksoftirqd/311:45:303
28570992924,3cyclictest41-21ksoftirqd/307:18:543
28570992923,3cyclictest134991ptp4l07:25:473
2856899298,3cyclictest17243-21sed12:10:201
28568992924,3cyclictest25-21ksoftirqd/109:58:431
28567992924,3cyclictest9-21ksoftirqd/012:17:520
28567992924,3cyclictest9-21ksoftirqd/011:55:100
28567992924,3cyclictest9-21ksoftirqd/010:50:580
28567992924,3cyclictest9-21ksoftirqd/009:28:500
28567992923,4cyclictest9-21ksoftirqd/010:47:170
28567992923,4cyclictest9-21ksoftirqd/008:10:310
2856899287,4cyclictest227-21systemd-journal09:55:001
28567992822,4cyclictest9-21ksoftirqd/010:06:090
28567992822,4cyclictest9-21ksoftirqd/010:06:090
28567992822,4cyclictest9-21ksoftirqd/009:07:160
2856799280,3cyclictest121rcu_preempt09:40:240
134991280,0ptp4l401ktimersoftd/312:20:253
28567992722,3cyclictest9-21ksoftirqd/012:00:460
28567992721,4cyclictest9-21ksoftirqd/009:36:080
28570992621,3cyclictest41-21ksoftirqd/308:11:553
28570992621,3cyclictest41-21ksoftirqd/308:07:463
2856899267,3cyclictest1411-21cpuspeed_turbos10:35:161
28568992621,3cyclictest25-21ksoftirqd/112:33:521
28568992620,4cyclictest25-21ksoftirqd/107:49:301
28567992621,3cyclictest9-21ksoftirqd/012:32:160
28567992621,3cyclictest9-21ksoftirqd/011:48:020
28567992621,3cyclictest9-21ksoftirqd/009:04:470
28567992621,3cyclictest9-21ksoftirqd/008:17:000
28567992620,4cyclictest9-21ksoftirqd/012:28:310
28567992620,4cyclictest9-21ksoftirqd/011:30:110
28567992519,4cyclictest9-21ksoftirqd/011:50:110
28567992418,3cyclictest9-21ksoftirqd/010:40:070
134991230,0ptp4l401ktimersoftd/307:20:273
28567992116,3cyclictest9-21ksoftirqd/007:39:220
28567991813,3cyclictest27398-21irqstats09:15:160
28567991813,3cyclictest25463-21swap09:10:270
28567991812,4cyclictest9-21ksoftirqd/009:49:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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