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2026-04-04 - 17:20
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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 rackdslot3.osadl.org (updated Sat Apr 04, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110032205173,21sleep20-21swapper/207:07:262
90772204171,22sleep30-21swapper/307:05:053
90792203171,22sleep00-21swapper/007:05:060
110652200167,22sleep10-21swapper/107:08:131
1050521720,4sleep11150599cyclictest10:30:141
2826721290,6sleep21150699cyclictest11:05:252
292112750,1sleep00-21swapper/010:00:210
273672620,3sleep30-21swapper/309:55:273
11507996222,8cyclictest41-21ksoftirqd/308:54:283
11507996128,7cyclictest41-21ksoftirqd/311:55:183
11507996128,7cyclictest41-21ksoftirqd/311:55:183
11507996028,6cyclictest41-21ksoftirqd/312:20:213
11507996020,8cyclictest41-21ksoftirqd/307:30:523
11507995931,3cyclictest41-21ksoftirqd/310:20:133
11507995927,7cyclictest41-21ksoftirqd/308:10:193
11507995925,9cyclictest41-21ksoftirqd/310:25:143
11507995923,8cyclictest41-21ksoftirqd/308:59:583
11507995828,9cyclictest41-21ksoftirqd/307:50:153
11507995826,8cyclictest41-21ksoftirqd/308:25:213
11507995821,8cyclictest41-21ksoftirqd/309:09:163
11507995726,9cyclictest41-21ksoftirqd/308:05:253
11507995724,10cyclictest41-21ksoftirqd/311:20:183
11507995723,9cyclictest41-21ksoftirqd/308:45:123
11507995722,8cyclictest41-21ksoftirqd/310:45:483
11507995628,7cyclictest41-21ksoftirqd/311:10:123
11507995626,8cyclictest41-21ksoftirqd/309:50:233
11507995626,8cyclictest41-21ksoftirqd/309:50:233
1150699565,9cyclictest33-21ksoftirqd/210:30:162
1150799555,9cyclictest41-21ksoftirqd/307:10:153
11507995527,9cyclictest41-21ksoftirqd/310:30:173
11507995521,8cyclictest41-21ksoftirqd/309:46:343
1150799544,8cyclictest41-21ksoftirqd/312:15:003
1150799543,9cyclictest41-21ksoftirqd/309:20:173
1150799536,9cyclictest41-21ksoftirqd/310:40:193
1150799535,9cyclictest41-21ksoftirqd/309:35:273
1150799535,9cyclictest41-21ksoftirqd/309:10:193
1150799532,8cyclictest2952-21gpgv12:30:013
11507995324,9cyclictest41-21ksoftirqd/308:40:143
11507995322,7cyclictest41-21ksoftirqd/310:15:253
11507995321,4cyclictest41-21ksoftirqd/311:05:173
11506995314,8cyclictest33-21ksoftirqd/211:14:312
1150799524,9cyclictest41-21ksoftirqd/307:15:273
1150799524,9cyclictest41-21ksoftirqd/307:15:273
1150799523,9cyclictest41-21ksoftirqd/308:20:173
11507995222,8cyclictest41-21ksoftirqd/309:41:103
11507995221,4cyclictest41-21ksoftirqd/307:20:263
1150799514,7cyclictest41-21ksoftirqd/311:30:133
1150799513,9cyclictest41-21ksoftirqd/312:35:133
1150799513,9cyclictest41-21ksoftirqd/311:40:223
1150799513,8cyclictest41-21ksoftirqd/307:29:523
1150799513,8cyclictest20069-21tune2fs10:50:163
1150799513,8cyclictest20069-21tune2fs10:50:163
1150799513,10cyclictest41-21ksoftirqd/310:00:193
1150799512,10cyclictest41-21ksoftirqd/307:35:133
11507995118,9cyclictest41-21ksoftirqd/312:05:153
1150699514,9cyclictest33-21ksoftirqd/208:55:142
1150699514,8cyclictest33-21ksoftirqd/208:40:252
1150799504,9cyclictest41-21ksoftirqd/310:05:223
1150799504,8cyclictest41-21ksoftirqd/310:15:013
1150699506,10cyclictest33-21ksoftirqd/209:50:222
1150699506,10cyclictest33-21ksoftirqd/209:50:222
11506995013,8cyclictest33-21ksoftirqd/210:15:112
1150799496,9cyclictest41-21ksoftirqd/311:15:183
1150799493,9cyclictest41-21ksoftirqd/310:35:133
1150799492,8cyclictest41-21ksoftirqd/310:55:173
1150699494,8cyclictest33-21ksoftirqd/209:25:172
1150699493,4cyclictest33-21ksoftirqd/212:20:252
11504994943,4cyclictest10059-21idleruntime-cro08:15:010
1150799484,9cyclictest41-21ksoftirqd/311:45:123
1150799484,9cyclictest41-21ksoftirqd/308:15:203
1150799484,6cyclictest41-21ksoftirqd/308:00:193
1150799483,8cyclictest41-21ksoftirqd/312:05:003
11507994832,9cyclictest41-21ksoftirqd/311:50:233
1150699485,8cyclictest33-21ksoftirqd/211:55:162
1150699485,8cyclictest33-21ksoftirqd/211:55:162
1150699484,8cyclictest33-21ksoftirqd/211:25:002
1150699484,8cyclictest33-21ksoftirqd/207:35:162
11506994818,8cyclictest33-21ksoftirqd/207:20:232
11506994815,9cyclictest33-21ksoftirqd/211:15:112
1150799475,10cyclictest41-21ksoftirqd/312:30:153
1150799474,9cyclictest41-21ksoftirqd/307:40:263
1150799473,9cyclictest41-21ksoftirqd/307:45:153
1150799473,6cyclictest41-21ksoftirqd/309:00:203
1150799472,5cyclictest41-21ksoftirqd/311:35:143
1150699474,8cyclictest33-21ksoftirqd/210:10:112
1150699473,9cyclictest33-21ksoftirqd/211:30:172
1150699473,9cyclictest33-21ksoftirqd/208:05:012
1150699473,4cyclictest33-21ksoftirqd/209:35:202
11506994713,8cyclictest33-21ksoftirqd/210:40:252
1150699470,9cyclictest33-21ksoftirqd/211:45:162
1150699470,6cyclictest33-21ksoftirqd/208:40:002
1150799464,8cyclictest41-21ksoftirqd/311:00:153
1150799463,9cyclictest41-21ksoftirqd/309:35:003
1150799463,9cyclictest41-21ksoftirqd/308:30:213
1150799460,9cyclictest41-21ksoftirqd/312:15:273
1150699466,4cyclictest33-21ksoftirqd/208:15:152
1150699465,6cyclictest33-21ksoftirqd/209:35:002
1150699464,6cyclictest33-21ksoftirqd/210:35:202
1150699464,4cyclictest33-21ksoftirqd/207:10:202
1150699463,9cyclictest33-21ksoftirqd/210:50:222
1150699463,9cyclictest33-21ksoftirqd/210:50:222
1150699463,3cyclictest33-21ksoftirqd/212:35:122
11506994617,7cyclictest33-21ksoftirqd/210:55:232
11506994613,8cyclictest33-21ksoftirqd/212:15:282
57898450,2rtkit-daemon577-21rtkit-daemon08:43:540
11507994532,4cyclictest41-21ksoftirqd/308:35:123
1150799452,8cyclictest41-21ksoftirqd/307:55:233
1150799451,7cyclictest41-21ksoftirqd/309:25:163
1150799451,11cyclictest41-21ksoftirqd/309:15:143
1150699456,10cyclictest33-21ksoftirqd/210:25:132
1150699455,9cyclictest33-21ksoftirqd/209:15:162
1150699455,10cyclictest33-21ksoftirqd/212:30:252
1150699454,9cyclictest33-21ksoftirqd/209:20:202
1150699454,8cyclictest33-21ksoftirqd/207:25:232
1150699451,6cyclictest33-21ksoftirqd/209:00:252
1150799441,10cyclictest41-21ksoftirqd/311:25:183
1150699446,9cyclictest33-21ksoftirqd/210:20:212
1150699445,9cyclictest33-21ksoftirqd/211:00:232
1150699445,10cyclictest33-21ksoftirqd/208:30:132
1150699444,9cyclictest33-21ksoftirqd/209:10:182
1150699444,9cyclictest33-21ksoftirqd/208:50:172
1150699444,7cyclictest33-21ksoftirqd/212:05:152
1150699443,10cyclictest33-21ksoftirqd/207:15:152
1150699443,10cyclictest33-21ksoftirqd/207:15:142
1150699442,9cyclictest33-21ksoftirqd/210:05:242
1150699442,9cyclictest33-21ksoftirqd/208:00:282
1150699441,6cyclictest33-21ksoftirqd/212:00:252
1150699440,8cyclictest33-21ksoftirqd/212:26:592
1150699440,7cyclictest33-21ksoftirqd/207:40:222
1150699435,9cyclictest33-21ksoftirqd/207:55:162
1150699434,6cyclictest33-21ksoftirqd/209:05:182
1150699433,7cyclictest33-21ksoftirqd/211:41:202
1150699433,4cyclictest33-21ksoftirqd/207:32:142
1150699431,6cyclictest33-21ksoftirqd/211:50:052
1150699430,6cyclictest321ktimersoftd/208:30:002
1150699425,8cyclictest33-21ksoftirqd/208:10:182
1150699423,8cyclictest33-21ksoftirqd/209:55:212
1150699423,5cyclictest33-21ksoftirqd/209:40:262
1150699422,10cyclictest33-21ksoftirqd/209:45:252
1150699421,6cyclictest33-21ksoftirqd/210:48:432
1150699421,6cyclictest33-21ksoftirqd/207:48:512
1150699421,5cyclictest33-21ksoftirqd/208:49:452
1150699420,7cyclictest33-21ksoftirqd/212:10:022
1150699420,7cyclictest33-21ksoftirqd/207:50:162
1150699420,6cyclictest33-21ksoftirqd/211:25:272
1150699420,6cyclictest33-21ksoftirqd/210:00:372
11504994236,3cyclictest9-21ksoftirqd/011:40:000
1150699410,9cyclictest33-21ksoftirqd/211:35:132
11505994126,3cyclictest25-21ksoftirqd/109:40:131
11504994136,3cyclictest16030-21cron07:20:010
11504994136,3cyclictest16030-21cron07:20:010
1150699395,9cyclictest33-21ksoftirqd/208:20:192
11505993731,4cyclictest25-21ksoftirqd/111:54:271
11505993731,4cyclictest25-21ksoftirqd/108:04:041
11505993731,3cyclictest25-21ksoftirqd/107:55:111
11505993730,4cyclictest25-21ksoftirqd/110:45:391
11505993630,4cyclictest25-21ksoftirqd/112:08:221
11505993630,4cyclictest25-21ksoftirqd/110:58:031
11505993630,4cyclictest25-21ksoftirqd/110:14:181
11505993630,4cyclictest25-21ksoftirqd/110:09:291
11505993630,4cyclictest25-21ksoftirqd/109:00:101
11505993630,4cyclictest25-21ksoftirqd/108:52:141
11505993630,4cyclictest25-21ksoftirqd/108:41:191
11505993630,4cyclictest25-21ksoftirqd/107:22:321
11504993631,3cyclictest9-21ksoftirqd/010:40:220
11505993529,4cyclictest25-21ksoftirqd/107:49:241
11505993529,3cyclictest25-21ksoftirqd/109:59:591
11504993530,3cyclictest9-21ksoftirqd/009:50:000
11504993529,3cyclictest9-21ksoftirqd/009:10:470
11505993428,4cyclictest25-21ksoftirqd/110:24:171
11505993428,4cyclictest25-21ksoftirqd/109:18:181
11505993428,4cyclictest25-21ksoftirqd/108:48:291
11505993428,4cyclictest25-21ksoftirqd/107:42:271
11505993428,4cyclictest25-21ksoftirqd/107:28:301
11505993428,4cyclictest25-21ksoftirqd/107:12:131
11504993429,3cyclictest9-21ksoftirqd/012:00:010
11504993429,3cyclictest9-21ksoftirqd/012:00:010
11504993429,3cyclictest9-21ksoftirqd/011:12:330
11504993429,3cyclictest9-21ksoftirqd/009:15:260
11504993429,3cyclictest9-21ksoftirqd/007:35:000
11504993429,3cyclictest9-21ksoftirqd/007:30:000
11504993428,4cyclictest9-21ksoftirqd/007:40:570
11504993428,3cyclictest9-21ksoftirqd/009:05:000
11505993328,3cyclictest25-21ksoftirqd/108:05:491
11505993328,3cyclictest25-21ksoftirqd/107:54:171
11505993327,4cyclictest25-21ksoftirqd/112:38:241
11505993327,4cyclictest25-21ksoftirqd/112:19:011
11505993327,4cyclictest25-21ksoftirqd/111:09:341
11505993327,4cyclictest25-21ksoftirqd/110:53:581
11505993327,4cyclictest25-21ksoftirqd/110:53:581
11505993327,4cyclictest25-21ksoftirqd/110:04:521
11505993327,4cyclictest25-21ksoftirqd/109:13:451
11505993327,3cyclictest25-21ksoftirqd/112:12:441
11504993329,3cyclictest9-21ksoftirqd/008:20:020
11504993328,3cyclictest9-21ksoftirqd/011:40:190
11504993328,3cyclictest9-21ksoftirqd/011:28:100
11504993328,3cyclictest9-21ksoftirqd/010:25:000
11504993328,3cyclictest9-21ksoftirqd/008:40:000
11504993327,4cyclictest9-21ksoftirqd/008:56:030
11504993327,4cyclictest9-21ksoftirqd/008:22:050
11505993227,3cyclictest25-21ksoftirqd/108:24:541
11505993226,4cyclictest25-21ksoftirqd/112:25:401
11505993226,4cyclictest25-21ksoftirqd/111:44:121
11505993226,4cyclictest25-21ksoftirqd/111:25:551
11505993226,4cyclictest25-21ksoftirqd/111:16:401
11505993226,4cyclictest25-21ksoftirqd/110:35:031
11505993226,4cyclictest25-21ksoftirqd/110:28:451
11504993227,3cyclictest9-21ksoftirqd/012:24:470
11504993227,3cyclictest9-21ksoftirqd/012:15:010
11504993227,3cyclictest9-21ksoftirqd/011:00:340
11504993227,3cyclictest9-21ksoftirqd/010:13:360
11504993227,3cyclictest9-21ksoftirqd/009:40:000
11504993227,3cyclictest9-21ksoftirqd/009:20:120
11504993227,3cyclictest9-21ksoftirqd/008:10:000
11504993227,2cyclictest9-21ksoftirqd/008:30:180
11504993226,4cyclictest9-21ksoftirqd/012:31:400
11504993226,4cyclictest9-21ksoftirqd/012:18:410
11504993226,4cyclictest9-21ksoftirqd/010:16:460
11504993226,3cyclictest9-21ksoftirqd/012:09:030
11504993226,3cyclictest9-21ksoftirqd/009:42:080
11505993126,3cyclictest25-21ksoftirqd/108:11:171
11505993125,4cyclictest25-21ksoftirqd/111:31:571
11505993125,3cyclictest25-21ksoftirqd/109:20:101
11504993126,3cyclictest9-21ksoftirqd/011:46:210
11504993126,3cyclictest9-21ksoftirqd/011:10:000
11504993126,3cyclictest9-21ksoftirqd/009:25:130
11504993125,4cyclictest9-21ksoftirqd/010:56:410
147242300,2sleep10-21swapper/111:45:211
11505993025,3cyclictest25-21ksoftirqd/112:32:011
11505993025,3cyclictest25-21ksoftirqd/111:56:391
11505993025,3cyclictest25-21ksoftirqd/111:56:391
11505993025,3cyclictest25-21ksoftirqd/111:38:221
11505993025,3cyclictest25-21ksoftirqd/109:36:461
11505993025,3cyclictest25-21ksoftirqd/109:32:561
11505993024,4cyclictest25-21ksoftirqd/108:28:201
11505993024,4cyclictest25-21ksoftirqd/108:17:081
11504993025,3cyclictest9-21ksoftirqd/009:52:110
11504993025,3cyclictest9-21ksoftirqd/009:52:110
11504993024,4cyclictest9-21ksoftirqd/011:24:300
11505992924,3cyclictest25-21ksoftirqd/109:51:031
11505992924,3cyclictest25-21ksoftirqd/109:51:021
11505992924,3cyclictest25-21ksoftirqd/109:48:171
11505992923,4cyclictest25-21ksoftirqd/109:26:531
11505992923,4cyclictest25-21ksoftirqd/108:37:581
11504992924,3cyclictest9-21ksoftirqd/011:50:140
11504992924,3cyclictest9-21ksoftirqd/010:38:080
11504992924,3cyclictest9-21ksoftirqd/010:26:320
11504992924,3cyclictest9-21ksoftirqd/009:32:560
11504992923,4cyclictest9-21ksoftirqd/012:36:580
11504992922,4cyclictest19279-21cron10:50:000
11505992823,3cyclictest25-21ksoftirqd/111:23:291
11505992823,3cyclictest25-21ksoftirqd/108:58:241
11505992823,3cyclictest25-21ksoftirqd/108:31:471
11505992822,4cyclictest25-21ksoftirqd/112:24:401
11505992822,4cyclictest25-21ksoftirqd/110:40:061
11504992823,3cyclictest9-21ksoftirqd/012:00:500
11504992823,3cyclictest9-21ksoftirqd/010:50:440
11504992823,3cyclictest9-21ksoftirqd/010:50:440
11504992823,3cyclictest9-21ksoftirqd/008:45:210
11504992822,4cyclictest9-21ksoftirqd/011:17:070
11504992822,4cyclictest9-21ksoftirqd/009:55:360
11504992822,4cyclictest9-21ksoftirqd/007:59:340
11504992822,4cyclictest9-21ksoftirqd/007:12:500
11505992721,4cyclictest25-21ksoftirqd/111:11:271
11504992723,2cyclictest9-21ksoftirqd/007:50:440
11504992721,4cyclictest9-21ksoftirqd/007:20:150
11504992721,3cyclictest9-21ksoftirqd/007:35:180
11505992621,3cyclictest25-21ksoftirqd/109:09:311
11505992621,3cyclictest25-21ksoftirqd/107:36:401
11505992620,4cyclictest25-21ksoftirqd/111:00:121
11505992620,4cyclictest25-21ksoftirqd/110:17:271
11504992621,3cyclictest9-21ksoftirqd/010:30:260
11504992621,3cyclictest9-21ksoftirqd/007:46:410
11504992620,3cyclictest9-21ksoftirqd/010:05:180
11505992520,3cyclictest25-21ksoftirqd/107:30:231
11504992520,3cyclictest9-21ksoftirqd/009:10:000
11504992520,3cyclictest9-21ksoftirqd/008:30:000
11504992519,4cyclictest9-21ksoftirqd/008:53:180
11504992519,3cyclictest9-21ksoftirqd/011:30:240
11505992418,4cyclictest25-21ksoftirqd/112:03:451
11505992317,4cyclictest25-21ksoftirqd/107:17:511
11505992317,4cyclictest25-21ksoftirqd/107:17:511
11504992318,3cyclictest9-21ksoftirqd/012:25:140
11504992116,3cyclictest9-21ksoftirqd/008:00:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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