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2026-07-26 - 18:27
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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 Jul 26, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
124722209174,23sleep20-21swapper/207:06:372
127252206173,22sleep30-21swapper/307:09:473
123892206172,22sleep10-21swapper/107:05:311
124652205171,23sleep00-21swapper/007:06:310
282721640,2sleep01303499cyclictest09:00:270
3163821450,5sleep21303699cyclictest08:55:202
1274328363,11sleep00-21swapper/007:10:010
139291690,1ptp4l2151-21meminfo09:00:213
13037996726,5cyclictest41-21ksoftirqd/307:35:183
13037996425,4cyclictest41-21ksoftirqd/308:20:013
13035996318,8cyclictest25-21ksoftirqd/108:30:241
13035995922,6cyclictest25-21ksoftirqd/112:17:521
13037995729,8cyclictest41-21ksoftirqd/310:20:133
1303599572,53cyclictest0-21swapper/109:55:251
13035995722,3cyclictest25-21ksoftirqd/110:52:551
13034995625,11cyclictest9-21ksoftirqd/009:45:240
13034995625,11cyclictest9-21ksoftirqd/009:45:240
13037995510,9cyclictest41-21ksoftirqd/308:40:243
1303599552,6cyclictest16812-21cat10:40:001
1303699544,4cyclictest33-21ksoftirqd/211:15:152
1303599543,7cyclictest241ktimersoftd/109:45:201
1303599543,7cyclictest241ktimersoftd/109:45:191
121932540,3sleep10-21swapper/109:20:231
104402540,3sleep2311rcuc/208:10:242
1303599536,8cyclictest25-21ksoftirqd/110:55:151
1303599536,10cyclictest25-21ksoftirqd/109:40:251
1303599532,6cyclictest3135-21sed10:10:181
1303599530,7cyclictest21665-21apt-key10:50:001
1303599530,7cyclictest21665-21apt-key10:50:001
13034995323,6cyclictest9-21ksoftirqd/010:55:150
13034995321,6cyclictest9-21ksoftirqd/008:50:230
173912520,3sleep217397-21irqrtprio08:25:192
1303799529,9cyclictest41-21ksoftirqd/312:05:003
1303799529,9cyclictest41-21ksoftirqd/312:05:003
1303599525,8cyclictest25-21ksoftirqd/108:50:241
1303599523,7cyclictest241ktimersoftd/109:10:201
1303599523,6cyclictest241ktimersoftd/109:10:001
1303599522,6cyclictest241ktimersoftd/107:30:011
1303599521,7cyclictest2067-21basename10:10:011
13034995216,6cyclictest9-21ksoftirqd/009:15:000
1303599515,9cyclictest25-21ksoftirqd/112:00:151
1303599515,9cyclictest25-21ksoftirqd/112:00:151
1303599515,8cyclictest25-21ksoftirqd/107:20:151
1303599512,7cyclictest25-21ksoftirqd/111:35:171
1303599512,6cyclictest241ktimersoftd/108:05:201
13035995120,9cyclictest25-21ksoftirqd/108:40:211
13034995121,3cyclictest9-21ksoftirqd/007:20:140
1303599505,8cyclictest25-21ksoftirqd/108:25:261
1303599502,7cyclictest25-21ksoftirqd/111:50:251
1303599502,6cyclictest241ktimersoftd/108:35:141
1303599502,5cyclictest0-21swapper/110:15:131
1303599502,5cyclictest0-21swapper/110:15:131
13034995017,6cyclictest9-21ksoftirqd/009:40:010
13037994932,6cyclictest41-21ksoftirqd/312:25:173
13037994922,3cyclictest41-21ksoftirqd/307:35:013
13036994932,5cyclictest33-21ksoftirqd/212:15:012
1303599496,7cyclictest25-21ksoftirqd/109:30:281
1303599496,4cyclictest25-21ksoftirqd/109:50:221
1303599493,6cyclictest25-21ksoftirqd/111:40:141
1303599491,5cyclictest241ktimersoftd/111:00:241
1303599490,7cyclictest241ktimersoftd/111:45:131
1303599490,7cyclictest241ktimersoftd/109:15:201
13034994916,6cyclictest9-21ksoftirqd/009:20:120
1303599485,7cyclictest25-21ksoftirqd/108:00:201
1303599484,7cyclictest25-21ksoftirqd/111:55:181
1303599482,6cyclictest241ktimersoftd/112:25:231
1303599482,6cyclictest241ktimersoftd/109:25:261
1303599482,6cyclictest241ktimersoftd/108:20:261
13035994825,8cyclictest25-21ksoftirqd/111:30:271
1303599481,7cyclictest241ktimersoftd/111:20:261
1303599480,8cyclictest241ktimersoftd/111:30:011
1303599480,7cyclictest241ktimersoftd/110:40:301
1303599480,7cyclictest241ktimersoftd/107:55:251
1303599480,6cyclictest241ktimersoftd/110:00:191
1303599480,5cyclictest241ktimersoftd/112:05:191
13034994830,8cyclictest9-21ksoftirqd/007:45:180
13034994818,6cyclictest9-21ksoftirqd/008:20:170
13034994817,6cyclictest9-21ksoftirqd/008:45:170
38302470,3sleep03829-21sed07:55:280
13037994726,11cyclictest41-21ksoftirqd/310:50:253
1303799472,3cyclictest41-21ksoftirqd/310:15:133
1303799472,3cyclictest41-21ksoftirqd/310:15:133
13037994718,9cyclictest41-21ksoftirqd/311:30:213
13037994715,8cyclictest41-21ksoftirqd/308:05:013
1303699479,4cyclictest33-21ksoftirqd/208:55:002
13036994731,5cyclictest33-21ksoftirqd/209:35:132
1303599475,9cyclictest25-21ksoftirqd/112:22:571
1303599474,8cyclictest25-21ksoftirqd/110:20:211
1303599473,6cyclictest25-21ksoftirqd/107:45:161
1303599473,5cyclictest241ktimersoftd/107:40:191
1303599471,6cyclictest241ktimersoftd/111:15:211
1303599470,7cyclictest241ktimersoftd/112:32:591
1303599470,6cyclictest241ktimersoftd/107:20:001
13034994719,6cyclictest9-21ksoftirqd/010:10:270
13034994719,4cyclictest9-21ksoftirqd/010:05:240
13034994717,6cyclictest9-21ksoftirqd/012:05:240
13034994716,6cyclictest9-21ksoftirqd/011:45:220
13037994634,3cyclictest41-21ksoftirqd/311:20:003
13037994632,3cyclictest41-21ksoftirqd/308:30:003
13037994616,8cyclictest41-21ksoftirqd/307:40:143
13036994631,12cyclictest33-21ksoftirqd/208:35:012
1303599465,9cyclictest25-21ksoftirqd/110:30:151
1303599465,7cyclictest25-21ksoftirqd/107:30:161
1303599460,7cyclictest241ktimersoftd/112:35:151
1303599460,5cyclictest241ktimersoftd/107:35:131
13034994639,4cyclictest5658-21cron09:10:010
13034994629,5cyclictest9-21ksoftirqd/008:55:190
13034994628,8cyclictest9-21ksoftirqd/009:55:130
13034994618,7cyclictest9-21ksoftirqd/012:25:190
13034994615,3cyclictest9-21ksoftirqd/009:15:240
13034994614,7cyclictest9-21ksoftirqd/010:25:010
13034994614,4cyclictest9-21ksoftirqd/009:25:280
13034994613,7cyclictest9-21ksoftirqd/011:35:140
13034994613,4cyclictest9-21ksoftirqd/008:45:010
13034994612,7cyclictest9-21ksoftirqd/007:15:140
75952450,32sleep233-21ksoftirqd/212:35:162
1303799455,2cyclictest41-21ksoftirqd/308:55:243
1303799453,10cyclictest41-21ksoftirqd/307:45:593
13037994527,5cyclictest41-21ksoftirqd/308:35:193
13037994526,9cyclictest41-21ksoftirqd/308:10:193
13037994510,9cyclictest41-21ksoftirqd/311:05:143
13037994510,9cyclictest41-21ksoftirqd/308:47:103
1303699452,6cyclictest33-21ksoftirqd/210:15:242
1303699452,6cyclictest33-21ksoftirqd/210:15:232
1303699452,3cyclictest121rcu_preempt12:15:292
1303599456,9cyclictest25-21ksoftirqd/108:45:131
1303599456,7cyclictest25-21ksoftirqd/108:15:141
1303599455,8cyclictest25-21ksoftirqd/108:55:171
1303599455,7cyclictest25-21ksoftirqd/112:10:261
1303599450,7cyclictest241ktimersoftd/109:35:261
1303599450,6cyclictest241ktimersoftd/107:50:161
13034994519,8cyclictest9-21ksoftirqd/008:30:000
13034994516,4cyclictest9-21ksoftirqd/012:02:550
13034994516,4cyclictest9-21ksoftirqd/012:02:550
13034994513,8cyclictest9-21ksoftirqd/011:20:190
13034994513,3cyclictest9-21ksoftirqd/007:50:280
13034994512,4cyclictest9-21ksoftirqd/008:30:180
1303499450,2cyclictest121rcu_preempt10:30:000
1303799446,3cyclictest121rcu_preempt09:55:243
1303799443,3cyclictest121rcu_preempt07:25:013
1303799440,4cyclictest41-21ksoftirqd/310:10:213
1303799440,3cyclictest121rcu_preempt09:30:213
1303699449,7cyclictest33-21ksoftirqd/207:25:232
13036994428,5cyclictest33-21ksoftirqd/212:25:192
1303699442,3cyclictest121rcu_preempt09:25:152
13036994414,4cyclictest33-21ksoftirqd/210:20:132
1303599445,8cyclictest25-21ksoftirqd/110:25:261
1303599445,7cyclictest25-21ksoftirqd/108:14:261
1303599442,4cyclictest25-21ksoftirqd/111:06:591
13034994438,3cyclictest9-21ksoftirqd/010:40:000
13034994427,5cyclictest9-21ksoftirqd/012:30:180
13034994415,3cyclictest9-21ksoftirqd/010:40:160
1303499441,3cyclictest121rcu_preempt10:55:010
13034994411,4cyclictest9-21ksoftirqd/010:20:010
13034994411,4cyclictest9-21ksoftirqd/010:20:000
13034994410,5cyclictest9-21ksoftirqd/008:35:240
1303799434,2cyclictest121rcu_preempt11:00:133
13037994333,3cyclictest41-21ksoftirqd/312:12:473
13037994313,9cyclictest41-21ksoftirqd/310:07:243
1303799430,6cyclictest24936-21perf09:50:013
1303799430,6cyclictest24936-21perf09:50:003
1303799430,2cyclictest41-21ksoftirqd/307:10:273
1303699435,3cyclictest33-21ksoftirqd/208:45:242
1303699435,3cyclictest33-21ksoftirqd/208:05:242
13036994333,3cyclictest33-21ksoftirqd/210:45:132
13036994333,3cyclictest33-21ksoftirqd/210:45:132
13036994311,3cyclictest33-21ksoftirqd/210:50:202
13036994310,4cyclictest33-21ksoftirqd/208:35:282
1303599435,7cyclictest25-21ksoftirqd/109:00:141
1303599432,6cyclictest25-21ksoftirqd/111:10:161
13034994325,5cyclictest9-21ksoftirqd/010:30:220
1303499432,2cyclictest121rcu_preempt12:15:010
13034994313,7cyclictest9-21ksoftirqd/011:50:250
1303499430,2cyclictest121rcu_preempt08:05:270
1303799424,3cyclictest121rcu_preempt12:05:203
1303799423,3cyclictest121rcu_preempt08:30:163
13037994228,7cyclictest41-21ksoftirqd/310:30:013
13037994221,4cyclictest41-21ksoftirqd/308:50:193
1303799421,3cyclictest121rcu_preempt11:28:413
13037994212,7cyclictest41-21ksoftirqd/310:35:143
1303699427,6cyclictest33-21ksoftirqd/209:10:012
13036994237,3cyclictest33-21ksoftirqd/212:00:002
1303699423,3cyclictest9327-21irqrtprio11:30:182
1303699422,3cyclictest121rcu_preempt08:20:152
13036994223,9cyclictest33-21ksoftirqd/209:55:272
13036994223,8cyclictest33-21ksoftirqd/208:00:132
13036994220,4cyclictest33-21ksoftirqd/211:05:132
1303699420,4cyclictest4153-21chrt07:58:512
1303599421,6cyclictest241ktimersoftd/107:10:131
13034994212,7cyclictest9-21ksoftirqd/011:25:140
139291410,0ptp4l401ktimersoftd/312:35:203
139291410,0ptp4l401ktimersoftd/311:23:293
13037994136,3cyclictest41-21ksoftirqd/308:20:193
13037994135,3cyclictest41-21ksoftirqd/310:00:223
13037994135,3cyclictest41-21ksoftirqd/309:10:173
13037994130,9cyclictest41-21ksoftirqd/307:55:293
13037994129,2cyclictest41-21ksoftirqd/307:50:173
13037994123,4cyclictest41-21ksoftirqd/312:00:003
1303799411,8cyclictest41-21ksoftirqd/309:15:143
1303799410,2cyclictest121rcu_preempt12:30:153
1303699418,3cyclictest5966-21sshd11:24:172
1303699416,3cyclictest33-21ksoftirqd/212:30:182
1303699414,5cyclictest33-21ksoftirqd/207:50:252
13036994120,11cyclictest33-21ksoftirqd/207:45:202
13034994120,9cyclictest9-21ksoftirqd/009:30:220
13034994120,7cyclictest9-21ksoftirqd/011:30:140
13034994110,4cyclictest9-21ksoftirqd/011:40:210
1303799406,3cyclictest41-21ksoftirqd/310:45:163
1303799406,3cyclictest41-21ksoftirqd/310:45:163
13037994022,9cyclictest41-21ksoftirqd/309:50:223
13037994022,7cyclictest41-21ksoftirqd/311:10:183
1303799401,3cyclictest121rcu_preempt08:05:273
1303799400,3cyclictest121rcu_preempt12:15:283
1303699405,5cyclictest33-21ksoftirqd/207:40:162
1303699404,3cyclictest33-21ksoftirqd/209:45:192
1303699404,3cyclictest33-21ksoftirqd/209:45:192
1303699404,2cyclictest33-21ksoftirqd/210:30:192
13036994036,2cyclictest33-21ksoftirqd/211:44:592
13036994035,3cyclictest33-21ksoftirqd/210:40:002
13036994034,3cyclictest33-21ksoftirqd/211:30:012
13036994031,2cyclictest33-21ksoftirqd/210:55:152
13036994028,9cyclictest33-21ksoftirqd/210:15:002
13036994015,3cyclictest33-21ksoftirqd/209:20:232
13036994014,4cyclictest33-21ksoftirqd/211:50:242
13036994012,4cyclictest33-21ksoftirqd/210:05:002
1303499402,2cyclictest121rcu_preempt07:35:260
13034994020,6cyclictest9-21ksoftirqd/008:15:010
13034994013,4cyclictest9-21ksoftirqd/011:05:170
1303499400,1cyclictest121rcu_preempt11:20:000
13037993934,3cyclictest41-21ksoftirqd/310:35:003
13037993934,3cyclictest41-21ksoftirqd/309:05:203
13037993928,4cyclictest41-21ksoftirqd/311:35:153
1303799392,2cyclictest121rcu_preempt12:20:233
1303799392,2cyclictest121rcu_preempt09:25:263
13037993919,9cyclictest41-21ksoftirqd/309:25:013
1303799391,2cyclictest121rcu_preempt09:45:013
1303799390,3cyclictest121rcu_preempt09:35:133
1303699397,3cyclictest33-21ksoftirqd/208:40:172
1303699394,5cyclictest33-21ksoftirqd/207:35:212
13036993928,3cyclictest33-21ksoftirqd/209:30:172
13036993922,9cyclictest33-21ksoftirqd/209:15:252
1303499399,4cyclictest9-21ksoftirqd/012:20:130
1303499398,6cyclictest9-21ksoftirqd/007:25:160
1303499393,7cyclictest121rcu_preempt10:00:250
1303499393,3cyclictest121rcu_preempt10:45:120
1303499393,3cyclictest121rcu_preempt10:45:110
1303499391,2cyclictest121rcu_preempt12:00:000
1303499390,3cyclictest121rcu_preempt07:30:190
1303499390,2cyclictest121rcu_preempt12:35:150
13037993834,2cyclictest41-21ksoftirqd/307:30:013
1303799383,3cyclictest121rcu_preempt10:45:003
13037993826,4cyclictest41-21ksoftirqd/307:16:523
1303799382,2cyclictest121rcu_preempt11:40:183
13037993814,8cyclictest41-21ksoftirqd/311:45:143
1303699389,3cyclictest33-21ksoftirqd/207:15:272
1303699386,3cyclictest33-21ksoftirqd/210:05:262
13036993833,3cyclictest33-21ksoftirqd/207:25:002
13036993832,4cyclictest33-21ksoftirqd/210:25:422
1303499388,9cyclictest9-21ksoftirqd/012:17:470
13034993834,2cyclictest9-21ksoftirqd/011:10:210
13034993832,3cyclictest9-21ksoftirqd/008:15:000
13034993822,7cyclictest9-21ksoftirqd/011:00:190
13034993817,3cyclictest9-21ksoftirqd/009:40:250
1303799373,2cyclictest121rcu_preempt11:50:153
13037993732,3cyclictest41-21ksoftirqd/310:57:423
1303699375,3cyclictest33-21ksoftirqd/209:10:172
13036993731,3cyclictest33-21ksoftirqd/210:40:162
1303699371,2cyclictest0-21swapper/209:00:262
1303699370,5cyclictest33-21ksoftirqd/212:25:002
1303499377,8cyclictest9-21ksoftirqd/009:50:570
13034993711,7cyclictest9-21ksoftirqd/007:40:180
1303699364,3cyclictest33-21ksoftirqd/207:30:112
13036993632,2cyclictest33-21ksoftirqd/211:05:012
13036993631,3cyclictest33-21ksoftirqd/211:45:132
13036993631,3cyclictest33-21ksoftirqd/211:15:002
13036993620,6cyclictest33-21ksoftirqd/212:05:012
13036993620,6cyclictest33-21ksoftirqd/212:05:002
13036993530,3cyclictest33-21ksoftirqd/209:40:252
13036993530,3cyclictest33-21ksoftirqd/208:15:142
1303699352,3cyclictest33-21ksoftirqd/212:08:422
13036993522,3cyclictest33-21ksoftirqd/209:50:272
13034993529,3cyclictest9-21ksoftirqd/008:00:270
13036993429,3cyclictest33-21ksoftirqd/211:35:152
13036993328,3cyclictest33-21ksoftirqd/207:10:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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