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2026-01-11 - 22:37
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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 rackdslot2.osadl.org (updated Sun Jan 11, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591213185,18phc2sys0-21swapper/307:09:593
49372212168,32sleep20-21swapper/207:07:312
48692205171,22sleep10-21swapper/107:06:391
49032203170,22sleep00-21swapper/007:07:050
78912640,1sleep00-21swapper/007:15:150
5430996427,8cyclictest33-21ksoftirqd/207:15:272
5429996412,27cyclictest19558-21cat07:39:591
188912630,6sleep2543099cyclictest07:35:322
5430995924,4cyclictest33-21ksoftirqd/212:20:202
542999590,26cyclictest31245-21runrttasks10:19:481
5428995917,5cyclictest9-21ksoftirqd/007:30:240
5430995422,4cyclictest33-21ksoftirqd/207:25:142
543199531,9cyclictest16801-21chrt09:48:063
543099536,9cyclictest33-21ksoftirqd/211:00:152
543099534,9cyclictest33-21ksoftirqd/209:25:182
542899533,6cyclictest5480-21mailstats08:15:260
543199520,9cyclictest3499-21chrt10:27:383
543199520,9cyclictest3499-21chrt10:27:383
5430995216,3cyclictest33-21ksoftirqd/208:40:212
543199511,9cyclictest32363-21chrt09:11:293
543099515,7cyclictest33-21ksoftirqd/208:47:092
543099514,9cyclictest33-21ksoftirqd/210:10:132
543099514,7cyclictest33-21ksoftirqd/207:31:562
543099513,7cyclictest33-21ksoftirqd/210:00:152
543099512,6cyclictest33-21ksoftirqd/209:35:012
543099510,8cyclictest33-21ksoftirqd/207:50:242
542999513,20cyclictest14510-21taskset07:27:211
5428995124,5cyclictest9-21ksoftirqd/008:05:220
5428995124,5cyclictest9-21ksoftirqd/008:05:220
543199505,4cyclictest95072sleep309:31:053
543199505,4cyclictest25902sleep309:19:033
543199501,9cyclictest18326-21chrt10:58:553
543199501,8cyclictest24066-21chrt10:04:433
543199501,10cyclictest8332-21chrt10:38:423
543199500,9cyclictest14824-21chrt11:56:353
543099505,3cyclictest33-21ksoftirqd/212:38:582
543099504,9cyclictest33-21ksoftirqd/212:10:232
543099504,8cyclictest33-21ksoftirqd/207:20:232
543099503,8cyclictest33-21ksoftirqd/210:20:232
543099502,8cyclictest33-21ksoftirqd/209:45:132
5428995023,5cyclictest9-21ksoftirqd/011:10:240
543199495,5cyclictest73802sleep309:29:173
543199491,9cyclictest13587-21latency07:25:203
543199491,11cyclictest29889-21chrt12:33:023
543199490,10cyclictest31409-21chrt08:04:443
543099495,10cyclictest33-21ksoftirqd/211:45:122
543099494,8cyclictest33-21ksoftirqd/210:40:212
5430994916,4cyclictest33-21ksoftirqd/212:05:252
543099491,5cyclictest33-21ksoftirqd/211:00:002
543099490,6cyclictest321ktimersoftd/208:15:282
5428994918,5cyclictest9-21ksoftirqd/010:10:110
5428994910,5cyclictest9-21ksoftirqd/011:15:260
543199487,5cyclictest29820-21sed11:20:253
543099486,3cyclictest33-21ksoftirqd/210:50:272
5430994844,2cyclictest311rcuc/211:30:322
543099483,5cyclictest33-21ksoftirqd/208:25:252
5430994817,9cyclictest33-21ksoftirqd/208:35:182
543099481,6cyclictest33-21ksoftirqd/211:15:282
543099481,6cyclictest33-21ksoftirqd/208:55:272
5430994811,6cyclictest33-21ksoftirqd/210:45:142
5428994823,5cyclictest9-21ksoftirqd/007:10:140
5428994818,5cyclictest9-21ksoftirqd/010:32:270
5428994817,5cyclictest9-21ksoftirqd/007:25:150
543199474,5cyclictest190332sleep309:51:193
543199471,10cyclictest19260-21chrt07:37:243
543099474,3cyclictest33-21ksoftirqd/211:40:182
543099472,7cyclictest33-21ksoftirqd/211:10:262
543099472,7cyclictest33-21ksoftirqd/209:35:142
543099472,6cyclictest33-21ksoftirqd/209:05:142
543099472,6cyclictest33-21ksoftirqd/209:00:202
543099472,5cyclictest33-21ksoftirqd/211:25:162
543099472,5cyclictest33-21ksoftirqd/211:25:162
543099472,5cyclictest33-21ksoftirqd/208:05:162
543099472,5cyclictest33-21ksoftirqd/208:05:162
543099472,5cyclictest33-21ksoftirqd/208:00:172
543099471,8cyclictest33-21ksoftirqd/209:20:112
542999478,20cyclictest23924-21seq10:02:561
5428994720,5cyclictest9-21ksoftirqd/012:10:150
543199466,5cyclictest31367-21wc12:35:223
543199464,4cyclictest144502chrt09:43:253
543199461,7cyclictest24122-21chrt07:48:413
543199460,9cyclictest12092-21taskset09:38:513
543199460,15cyclictest10678-21taskset08:26:113
543099466,5cyclictest33-21ksoftirqd/209:55:212
543099463,6cyclictest33-21ksoftirqd/211:20:222
543099462,6cyclictest33-21ksoftirqd/208:20:252
5430994620,4cyclictest33-21ksoftirqd/210:35:232
542999461,22cyclictest31361-21taskset08:04:161
542999461,22cyclictest20095-21taskset12:10:071
5429994611,20cyclictest30111-21seq11:21:381
542999460,23cyclictest20179-21taskset08:46:041
542999460,22cyclictest23136-21taskset11:09:301
5428994617,5cyclictest9-21ksoftirqd/012:20:100
543199452,10cyclictest4724-21chrt09:20:383
543199451,15cyclictest27926-21taskset11:19:213
543099454,7cyclictest19973-21cstates07:40:132
543099451,4cyclictest33-21ksoftirqd/208:50:282
5430994514,8cyclictest33-21ksoftirqd/207:10:312
542999451,20cyclictest0-21swapper/111:54:311
542999451,20cyclictest0-21swapper/110:37:571
542999450,22cyclictest16667-21taskset09:46:221
542899453,6cyclictest29611-21/usr/sbin/munin11:20:230
542899450,6cyclictest9-21ksoftirqd/011:25:230
542899450,6cyclictest9-21ksoftirqd/011:25:230
543199445,5cyclictest24486-21expr10:05:133
543199441,10cyclictest23643-21cstates11:10:133
543099448,5cyclictest33-21ksoftirqd/207:57:402
543099448,4cyclictest33-21ksoftirqd/211:50:142
543099447,5cyclictest33-21ksoftirqd/211:07:072
543099445,6cyclictest33-21ksoftirqd/212:30:132
5430994430,4cyclictest33-21ksoftirqd/209:15:242
543099442,6cyclictest33-21ksoftirqd/210:25:212
543099442,6cyclictest33-21ksoftirqd/210:25:212
5430994420,4cyclictest33-21ksoftirqd/212:00:192
5430994420,4cyclictest33-21ksoftirqd/212:00:192
543099441,9cyclictest33-21ksoftirqd/212:25:142
543099441,6cyclictest33-21ksoftirqd/208:10:182
542999440,25cyclictest3638-21taskset08:12:351
542999440,24cyclictest22463-21seq12:15:061
542999440,23cyclictest29533-21cat09:05:271
542999440,21cyclictest5861-21taskset08:15:311
5428994419,8cyclictest9-21ksoftirqd/011:40:070
5428994419,4cyclictest9-21ksoftirqd/010:08:210
139291440,0ptp4l401ktimersoftd/311:27:453
139291440,0ptp4l401ktimersoftd/311:27:453
543199434,5cyclictest4444-21df_abs08:15:153
543199431,14cyclictest17236-21taskset12:01:493
543199431,14cyclictest17236-21taskset12:01:493
543099435,3cyclictest33-21ksoftirqd/210:10:002
543099432,6cyclictest33-21ksoftirqd/211:55:162
543099432,5cyclictest33-21ksoftirqd/209:50:152
5430994310,6cyclictest33-21ksoftirqd/208:31:582
542999437,21cyclictest285352chrt10:10:311
542999431,20cyclictest2521-21gnome-shell08:53:581
542999431,20cyclictest0-21swapper/107:17:321
542999431,19cyclictest0-21swapper/108:26:321
542899434,8cyclictest18759-21/usr/sbin/munin08:45:160
5428994317,4cyclictest9-21ksoftirqd/011:55:150
139291430,0ptp4l401ktimersoftd/310:10:063
543099427,4cyclictest33-21ksoftirqd/207:45:132
5430994217,4cyclictest33-21ksoftirqd/210:15:252
543099420,6cyclictest33-21ksoftirqd/211:35:132
542999421,20cyclictest0-21swapper/109:17:341
542999421,20cyclictest0-21swapper/108:56:111
542999420,23cyclictest15656-21taskset08:39:151
5428994220,5cyclictest9-21ksoftirqd/010:48:030
5428994219,8cyclictest9-21ksoftirqd/008:40:590
5428994217,4cyclictest9-21ksoftirqd/008:53:440
139291420,0ptp4l401ktimersoftd/307:14:563
543199415,7cyclictest18095-21df_abs12:05:153
543199412,5cyclictest401ktimersoftd/307:30:273
543099417,3cyclictest33-21ksoftirqd/209:40:132
5430994119,4cyclictest33-21ksoftirqd/210:35:002
542999410,22cyclictest21590-21taskset07:41:351
542999410,21cyclictest25547-21seq11:14:561
5428994122,5cyclictest9-21ksoftirqd/007:22:250
5428994118,8cyclictest9-21ksoftirqd/007:45:590
5428994115,5cyclictest9-21ksoftirqd/010:50:180
5431994035,3cyclictest18124-21cron08:44:593
543199401,6cyclictest401ktimersoftd/309:00:283
542999401,23cyclictest13915-21/usr/sbin/munin10:50:171
542999401,21cyclictest4939-21runrttasks09:23:281
542999400,22cyclictest28730-21taskset07:56:111
542899403,6cyclictest16296-21/usr/sbin/munin10:55:110
5428994019,8cyclictest9-21ksoftirqd/012:37:350
543199395,4cyclictest14957-21seq10:50:213
543199391,10cyclictest21878-21taskset12:10:273
542999390,27cyclictest0-21swapper/109:41:491
5428993920,7cyclictest9-21ksoftirqd/007:44:310
5428993919,8cyclictest9-21ksoftirqd/011:52:580
543099389,4cyclictest33-21ksoftirqd/209:10:192
542999381,22cyclictest32744-21seq11:27:161
542999381,22cyclictest32744-21seq11:27:161
542999381,22cyclictest13287-21taskset08:34:181
542999381,18cyclictest0-21swapper/111:03:361
542999380,22cyclictest940-21taskset10:21:161
542999380,22cyclictest26213-21taskset10:06:521
5428993835,2cyclictest111rcuc/012:00:260
5428993835,2cyclictest111rcuc/012:00:260
5428993835,2cyclictest111rcuc/011:40:010
5428993822,5cyclictest9-21ksoftirqd/010:20:440
5428993819,6cyclictest9-21ksoftirqd/011:31:080
5428993819,6cyclictest9-21ksoftirqd/010:36:520
543199373,4cyclictest0-21swapper/308:20:283
5431993732,3cyclictest41-21ksoftirqd/311:52:403
5431993731,4cyclictest41-21ksoftirqd/310:15:503
5431993731,4cyclictest41-21ksoftirqd/307:41:393
543199372,6cyclictest401ktimersoftd/308:05:243
543199372,6cyclictest401ktimersoftd/308:05:243
543199371,9cyclictest10285-21chrt11:49:133
543199370,10cyclictest21453-21diskstats11:05:153
5429993731,4cyclictest25-21ksoftirqd/110:29:401
5429993731,4cyclictest25-21ksoftirqd/110:29:401
5429993731,4cyclictest25-21ksoftirqd/109:26:021
542999372,20cyclictest3920-21taskset10:30:021
542999371,21cyclictest16664-21taskset12:00:241
542999371,21cyclictest16664-21taskset12:00:241
542999370,23cyclictest32402-21taskset12:39:521
542999370,22cyclictest5334-21seq11:36:561
542999370,22cyclictest16775-21taskset07:30:541
542999370,22cyclictest13318-21taskset10:45:321
542899373,8cyclictest9-21ksoftirqd/009:40:150
5428993719,7cyclictest9-21ksoftirqd/007:39:060
543199366,7cyclictest9941-21latency10:40:203
543199366,7cyclictest25719-21cstates12:25:143
5431993630,4cyclictest41-21ksoftirqd/311:40:033
5429993630,4cyclictest25-21ksoftirqd/112:26:221
542999361,21cyclictest30508-21chrt09:10:101
542999360,22cyclictest7959-21taskset11:44:481
542999360,18cyclictest29123-21phc2sys12:30:221
5431993529,4cyclictest41-21ksoftirqd/312:18:103
5431993529,4cyclictest41-21ksoftirqd/310:48:253
5431993529,4cyclictest41-21ksoftirqd/307:17:563
542999351,20cyclictest10836-21runrttasks10:41:511
542999350,21cyclictest26605-21taskset07:54:221
542999350,21cyclictest25090-21seq12:23:001
5428993529,4cyclictest9-21ksoftirqd/008:32:130
5428993529,4cyclictest9-21ksoftirqd/008:26:240
5431993429,3cyclictest41-21ksoftirqd/311:37:343
543199341,6cyclictest0-21swapper/311:30:173
543199341,11cyclictest25033-21seq12:22:163
5430993428,4cyclictest33-21ksoftirqd/212:18:492
542999343,14cyclictest41298rtkit-daemon08:24:581
5429993428,4cyclictest25-21ksoftirqd/111:55:331
5429993428,4cyclictest25-21ksoftirqd/108:05:351
5429993428,4cyclictest25-21ksoftirqd/108:05:351
5429993428,4cyclictest25-21ksoftirqd/107:14:451
5429993428,3cyclictest25-21ksoftirqd/109:30:541
542999340,20cyclictest9259-21taskset11:45:191
542999340,1cyclictest0-21swapper/111:30:021
5428993428,4cyclictest9-21ksoftirqd/009:50:080
5428993428,4cyclictest9-21ksoftirqd/008:22:270
5428993417,8cyclictest9-21ksoftirqd/012:29:170
5428993417,8cyclictest9-21ksoftirqd/008:56:360
5428993417,6cyclictest9-21ksoftirqd/011:05:130
5431993327,4cyclictest41-21ksoftirqd/311:02:283
5431993327,4cyclictest41-21ksoftirqd/309:09:513
5431993327,4cyclictest41-21ksoftirqd/308:53:023
5429993327,4cyclictest25-21ksoftirqd/109:36:171
542999330,21cyclictest18971-21taskset09:50:311
542999330,19cyclictest18110-21taskset10:56:061
5428993328,3cyclictest9-21ksoftirqd/009:59:530
5428993327,4cyclictest9-21ksoftirqd/012:16:340
5428993327,4cyclictest9-21ksoftirqd/010:19:490
5428993327,4cyclictest9-21ksoftirqd/008:37:030
5428993318,5cyclictest9-21ksoftirqd/010:44:580
5431993227,3cyclictest41-21ksoftirqd/308:36:393
543199322,6cyclictest2323-21ps08:10:183
5431993226,4cyclictest41-21ksoftirqd/308:46:123
5429993226,4cyclictest25-21ksoftirqd/111:18:581
542999320,3cyclictest10854-21cat07:20:161
5428993227,3cyclictest9-21ksoftirqd/011:04:430
5428993227,3cyclictest9-21ksoftirqd/009:09:490
5428993226,4cyclictest9-21ksoftirqd/009:48:190
5428993217,5cyclictest9-21ksoftirqd/010:25:220
5428993217,5cyclictest9-21ksoftirqd/010:25:210
542899320,12cyclictest4077-21cut09:20:220
5431993126,3cyclictest41-21ksoftirqd/310:32:353
5429993125,4cyclictest25-21ksoftirqd/109:57:481
5429993125,4cyclictest25-21ksoftirqd/109:04:441
5429993125,4cyclictest25-21ksoftirqd/108:41:331
5428993126,3cyclictest9-21ksoftirqd/012:05:390
543199306,5cyclictest20968-21mailstats09:55:283
5431993024,4cyclictest41-21ksoftirqd/307:23:163
543199300,7cyclictest25515-21meminfo07:50:213
542999300,2cyclictest23471-21/usr/sbin/munin07:45:251
5428993027,2cyclictest111rcuc/009:28:380
5428993025,3cyclictest9-21ksoftirqd/009:36:410
5428993015,7cyclictest9-21ksoftirqd/008:11:550
5431992924,3cyclictest41-21ksoftirqd/308:57:083
543199290,5cyclictest41-21ksoftirqd/310:20:443
542999291,23cyclictest0-21swapper/112:05:111
5428992924,3cyclictest9-21ksoftirqd/012:32:450
5428992923,4cyclictest9-21ksoftirqd/010:03:120
5428992923,4cyclictest9-21ksoftirqd/009:04:400
5428992923,4cyclictest9-21ksoftirqd/008:01:360
543199286,7cyclictest12819-21ls08:30:273
5428992823,3cyclictest9-21ksoftirqd/007:52:100
5428992822,4cyclictest9-21ksoftirqd/009:32:560
5428992822,4cyclictest9-21ksoftirqd/009:15:060
5431992722,3cyclictest41-21ksoftirqd/307:55:023
5428992721,4cyclictest9-21ksoftirqd/009:11:000
542899262,5cyclictest9-21ksoftirqd/011:45:230
5428992521,2cyclictest9-21ksoftirqd/007:55:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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