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2026-03-25 - 20:13
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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 792 highest latencies:
System rackdslot3.osadl.org (updated Wed Mar 25, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491206171,23phc2sys0-21swapper/307:09:283
187822201168,22sleep00-21swapper/007:08:260
186192201169,21sleep20-21swapper/207:06:192
187332199166,22sleep10-21swapper/107:07:461
3070721560,6sleep01920499cyclictest12:00:250
1394918363,10phc2sys0-21swapper/307:10:013
139391620,1ptp4l401ktimersoftd/309:52:443
19205996027,4cyclictest25-21ksoftirqd/110:35:011
19205995729,5cyclictest25-21ksoftirqd/110:55:171
19205995623,3cyclictest25-21ksoftirqd/108:55:011
139391550,1ptp4l401ktimersoftd/308:55:203
139391550,1ptp4l401ktimersoftd/308:36:353
19205995321,4cyclictest25-21ksoftirqd/109:30:211
19205995224,4cyclictest25-21ksoftirqd/108:40:151
19205995120,8cyclictest25-21ksoftirqd/107:40:221
19205995120,4cyclictest25-21ksoftirqd/112:35:011
19205995117,4cyclictest25-21ksoftirqd/109:20:011
19205995023,7cyclictest25-21ksoftirqd/107:55:241
19205995021,7cyclictest25-21ksoftirqd/110:20:181
19205995021,4cyclictest25-21ksoftirqd/110:35:151
19205995021,3cyclictest25-21ksoftirqd/108:10:001
1920599499,7cyclictest25-21ksoftirqd/110:00:261
1920599498,10cyclictest25-21ksoftirqd/111:20:171
19205994921,4cyclictest25-21ksoftirqd/107:15:141
19205994921,3cyclictest25-21ksoftirqd/110:15:271
19205994920,3cyclictest25-21ksoftirqd/109:20:171
19205994920,3cyclictest25-21ksoftirqd/108:25:201
19205994919,4cyclictest25-21ksoftirqd/109:35:201
19205994913,4cyclictest25-21ksoftirqd/111:05:131
19205994913,4cyclictest25-21ksoftirqd/108:35:241
129092490,2sleep20-21swapper/209:10:192
1920599487,7cyclictest25-21ksoftirqd/111:35:241
19205994818,4cyclictest25-21ksoftirqd/107:20:181
19205994815,7cyclictest25-21ksoftirqd/107:10:151
19205994811,8cyclictest25-21ksoftirqd/108:45:201
1920699476,4cyclictest33-21ksoftirqd/208:50:202
19206994722,2cyclictest121rcu_preempt12:30:212
1920599478,8cyclictest25-21ksoftirqd/111:40:171
1920599478,8cyclictest25-21ksoftirqd/108:15:201
1920599477,8cyclictest25-21ksoftirqd/108:00:161
1920599477,11cyclictest25-21ksoftirqd/112:20:191
19205994717,7cyclictest25-21ksoftirqd/111:10:151
19205994717,4cyclictest25-21ksoftirqd/111:30:141
19205994717,4cyclictest25-21ksoftirqd/109:45:151
19205994714,7cyclictest25-21ksoftirqd/111:45:231
19205994714,5cyclictest25-21ksoftirqd/110:50:011
19205994713,4cyclictest25-21ksoftirqd/111:15:251
19205994713,4cyclictest25-21ksoftirqd/109:40:221
1920699464,8cyclictest33-21ksoftirqd/209:10:012
1920599466,8cyclictest25-21ksoftirqd/108:30:161
1920599466,7cyclictest25-21ksoftirqd/107:35:151
19205994638,4cyclictest3547-21cron12:15:011
19205994628,9cyclictest25-21ksoftirqd/107:50:141
19205994617,5cyclictest25-21ksoftirqd/111:30:001
19205994612,4cyclictest25-21ksoftirqd/112:05:191
19205994611,5cyclictest25-21ksoftirqd/107:45:231
19205994611,4cyclictest25-21ksoftirqd/112:00:211
19205994610,8cyclictest25-21ksoftirqd/110:50:151
19205994610,7cyclictest25-21ksoftirqd/111:55:111
19205994610,7cyclictest25-21ksoftirqd/111:55:111
139391460,1ptp4l401ktimersoftd/308:45:383
19207994514,8cyclictest41-21ksoftirqd/307:20:013
19206994514,3cyclictest33-21ksoftirqd/207:11:092
1920699451,3cyclictest33-21ksoftirqd/211:10:232
1920699451,3cyclictest33-21ksoftirqd/207:35:242
1920599459,8cyclictest25-21ksoftirqd/108:20:261
1920599456,7cyclictest25-21ksoftirqd/108:10:241
19205994520,8cyclictest25-21ksoftirqd/111:00:221
19205994516,4cyclictest25-21ksoftirqd/112:36:521
19205994511,6cyclictest25-21ksoftirqd/109:25:191
1920599448,8cyclictest25-21ksoftirqd/109:55:131
1920599445,8cyclictest25-21ksoftirqd/109:10:161
19205994417,7cyclictest25-21ksoftirqd/109:05:151
1920599441,2cyclictest25-21ksoftirqd/112:20:001
19205994410,4cyclictest25-21ksoftirqd/111:50:241
139391440,0ptp4l401ktimersoftd/312:25:253
19207994338,3cyclictest41-21ksoftirqd/309:40:003
139391430,0ptp4l401ktimersoftd/312:21:163
1920799424,3cyclictest121rcu_preempt08:15:003
1920699428,9cyclictest33-21ksoftirqd/212:35:172
1920699427,3cyclictest121rcu_preempt07:20:002
1920699425,3cyclictest121rcu_preempt10:45:232
1920599429,7cyclictest25-21ksoftirqd/107:25:271
19205994214,6cyclictest25-21ksoftirqd/110:25:191
19205994210,6cyclictest25-21ksoftirqd/110:10:121
139391420,0ptp4l401ktimersoftd/312:05:253
139391420,0ptp4l401ktimersoftd/311:35:463
1920699417,3cyclictest121rcu_preempt10:00:002
1920699415,3cyclictest121rcu_preempt11:45:002
1920699414,3cyclictest121rcu_preempt11:58:252
1920699414,3cyclictest121rcu_preempt11:58:242
19206994136,2cyclictest33-21ksoftirqd/208:40:012
19205994135,3cyclictest25-21ksoftirqd/109:00:001
19205994110,8cyclictest25-21ksoftirqd/109:04:181
1920599410,2cyclictest121rcu_preempt07:35:011
1920699405,3cyclictest33-21ksoftirqd/208:45:132
19206994034,3cyclictest33-21ksoftirqd/210:20:002
19206994031,6cyclictest33-21ksoftirqd/209:01:252
1920699402,3cyclictest121rcu_preempt10:20:282
1920599404,9cyclictest25-21ksoftirqd/110:05:241
139391400,0ptp4l401ktimersoftd/309:30:283
19207993923,6cyclictest41-21ksoftirqd/311:55:193
19207993923,6cyclictest41-21ksoftirqd/311:55:193
19207993923,6cyclictest41-21ksoftirqd/310:55:233
19207993923,6cyclictest41-21ksoftirqd/310:30:123
1920799390,4cyclictest41-21ksoftirqd/308:55:013
1920699395,3cyclictest33-21ksoftirqd/210:50:182
19206993934,3cyclictest33-21ksoftirqd/212:05:002
1920699392,7cyclictest33-21ksoftirqd/207:45:162
1920699392,3cyclictest121rcu_preempt07:30:002
1920699391,3cyclictest121rcu_preempt12:20:152
1920699390,3cyclictest121rcu_preempt09:35:282
1920699390,2cyclictest121rcu_preempt12:20:002
19207993824,3cyclictest41-21ksoftirqd/312:15:243
19207993824,3cyclictest41-21ksoftirqd/307:45:153
19207993823,6cyclictest41-21ksoftirqd/309:00:233
19207993823,3cyclictest41-21ksoftirqd/309:40:273
1920699386,3cyclictest33-21ksoftirqd/208:05:152
1920699385,3cyclictest33-21ksoftirqd/209:35:002
1920699383,4cyclictest121rcu_preempt08:55:192
19206993834,2cyclictest33-21ksoftirqd/211:30:152
19206993834,2cyclictest33-21ksoftirqd/210:10:012
19206993824,4cyclictest33-21ksoftirqd/210:40:132
19206993824,4cyclictest33-21ksoftirqd/208:00:142
19206993824,3cyclictest33-21ksoftirqd/211:25:172
1920699381,3cyclictest121rcu_preempt10:00:222
19204993823,6cyclictest9-21ksoftirqd/010:55:120
19207993732,3cyclictest41-21ksoftirqd/311:10:173
19207993732,3cyclictest41-21ksoftirqd/310:25:023
19207993730,4cyclictest41-21ksoftirqd/311:30:113
19207993724,3cyclictest41-21ksoftirqd/310:40:163
19207993721,6cyclictest41-21ksoftirqd/312:35:263
1920799371,3cyclictest121rcu_preempt09:25:133
1920799370,5cyclictest41-21ksoftirqd/310:10:183
1920699375,3cyclictest121rcu_preempt08:19:222
1920699372,3cyclictest121rcu_preempt10:30:182
1920699371,4cyclictest121rcu_preempt08:40:162
1920699370,2cyclictest33-21ksoftirqd/209:40:192
1920599374,2cyclictest121rcu_preempt09:52:401
19205993733,3cyclictest25-21ksoftirqd/110:45:001
139391370,0ptp4l401ktimersoftd/307:35:143
19207993632,2cyclictest41-21ksoftirqd/311:20:173
19207993631,3cyclictest41-21ksoftirqd/307:25:173
19207993630,4cyclictest41-21ksoftirqd/310:27:343
19207993629,4cyclictest41-21ksoftirqd/308:20:293
19207993622,4cyclictest41-21ksoftirqd/307:55:163
19207993620,6cyclictest41-21ksoftirqd/309:45:113
1920699365,3cyclictest121rcu_preempt11:45:132
1920699364,3cyclictest121rcu_preempt08:20:202
19206993632,3cyclictest33-21ksoftirqd/211:00:122
19206993630,4cyclictest33-21ksoftirqd/210:29:052
19206993621,3cyclictest33-21ksoftirqd/207:50:142
1920699360,2cyclictest121rcu_preempt09:27:242
19205993630,4cyclictest25-21ksoftirqd/112:29:231
19204993631,3cyclictest9-21ksoftirqd/009:40:010
19204993631,3cyclictest9-21ksoftirqd/007:20:010
19204993630,3cyclictest9-21ksoftirqd/010:45:010
19207993532,2cyclictest41-21ksoftirqd/310:50:003
19207993531,2cyclictest41-21ksoftirqd/307:25:013
19207993530,3cyclictest41-21ksoftirqd/311:50:193
19207993530,3cyclictest41-21ksoftirqd/309:05:133
19207993529,4cyclictest41-21ksoftirqd/311:01:243
19207993521,3cyclictest41-21ksoftirqd/310:35:133
19207993519,6cyclictest41-21ksoftirqd/312:10:193
1920799351,10cyclictest41-21ksoftirqd/310:55:003
1920799350,2cyclictest121rcu_preempt10:00:183
19206993530,2cyclictest33-21ksoftirqd/209:24:592
19206993529,4cyclictest33-21ksoftirqd/211:39:412
19206993529,3cyclictest33-21ksoftirqd/210:35:142
19206993529,3cyclictest33-21ksoftirqd/208:10:152
1920699352,3cyclictest121rcu_preempt11:15:182
19206993521,4cyclictest33-21ksoftirqd/207:55:122
1920699351,3cyclictest121rcu_preempt07:20:152
1920699350,2cyclictest121rcu_preempt07:40:202
1920699350,2cyclictest121rcu_preempt07:33:022
19204993531,2cyclictest9-21ksoftirqd/009:50:010
19204993531,2cyclictest9-21ksoftirqd/009:20:000
19204993529,4cyclictest9-21ksoftirqd/007:30:180
1920799344,3cyclictest121rcu_preempt09:20:263
19207993429,3cyclictest41-21ksoftirqd/311:15:183
19207993429,3cyclictest41-21ksoftirqd/311:05:143
19207993429,3cyclictest41-21ksoftirqd/308:15:143
19207993429,3cyclictest41-21ksoftirqd/307:40:183
19207993428,4cyclictest41-21ksoftirqd/312:03:013
19207993428,4cyclictest41-21ksoftirqd/311:41:033
19207993428,3cyclictest41-21ksoftirqd/310:15:133
19207993428,3cyclictest41-21ksoftirqd/307:30:183
19207993419,4cyclictest41-21ksoftirqd/309:55:113
19206993430,2cyclictest33-21ksoftirqd/211:50:182
19206993429,3cyclictest33-21ksoftirqd/209:50:242
19206993429,2cyclictest33-21ksoftirqd/212:05:132
19206993428,4cyclictest33-21ksoftirqd/210:57:292
19206993428,4cyclictest33-21ksoftirqd/208:34:432
19206993418,5cyclictest33-21ksoftirqd/208:25:272
1920699341,3cyclictest121rcu_preempt12:10:242
19204993431,2cyclictest9-21ksoftirqd/008:20:010
19204993429,3cyclictest9-21ksoftirqd/010:40:000
19204993429,3cyclictest9-21ksoftirqd/010:20:010
19204993429,3cyclictest9-21ksoftirqd/007:45:000
19204993428,4cyclictest9-21ksoftirqd/011:39:080
19204993428,4cyclictest9-21ksoftirqd/010:03:430
1920499341,3cyclictest121rcu_preempt08:34:590
19207993329,2cyclictest41-21ksoftirqd/307:50:263
19207993328,3cyclictest41-21ksoftirqd/312:30:183
19207993327,4cyclictest41-21ksoftirqd/311:28:473
19207993320,4cyclictest41-21ksoftirqd/309:10:233
19207993320,3cyclictest41-21ksoftirqd/308:25:283
19207993318,3cyclictest41-21ksoftirqd/308:05:133
1920699336,3cyclictest121rcu_preempt11:20:162
1920699336,3cyclictest121rcu_preempt09:45:202
19206993328,3cyclictest33-21ksoftirqd/210:10:132
1920699330,3cyclictest121rcu_preempt11:05:182
19204993329,2cyclictest9-21ksoftirqd/011:34:590
19204993328,3cyclictest9-21ksoftirqd/010:50:180
19204993328,3cyclictest9-21ksoftirqd/010:25:130
19204993328,3cyclictest9-21ksoftirqd/009:59:590
19204993328,3cyclictest21358-21idleruntime-cro07:15:010
19204993327,4cyclictest9-21ksoftirqd/010:12:550
19204993327,4cyclictest9-21ksoftirqd/009:03:020
139391330,0ptp4l401ktimersoftd/308:00:103
1920799320,3cyclictest121rcu_preempt11:45:273
19204993228,2cyclictest9-21ksoftirqd/011:45:000
19204993227,3cyclictest9-21ksoftirqd/012:31:160
19204993227,3cyclictest9-21ksoftirqd/011:50:180
19204993227,3cyclictest9-21ksoftirqd/011:05:000
19204993227,3cyclictest9-21ksoftirqd/009:54:290
19204993227,3cyclictest27414-21sh10:50:010
19204993226,4cyclictest9-21ksoftirqd/012:38:440
19204993226,4cyclictest9-21ksoftirqd/011:17:420
19204993226,4cyclictest9-21ksoftirqd/008:56:360
19207993126,3cyclictest41-21ksoftirqd/309:15:263
19207993126,3cyclictest41-21ksoftirqd/308:45:003
1920699312,3cyclictest121rcu_preempt12:25:242
1920699310,5cyclictest33-21ksoftirqd/209:15:182
19204993127,2cyclictest9-21ksoftirqd/012:25:180
19204993126,3cyclictest9-21ksoftirqd/011:10:180
19204993126,3cyclictest9-21ksoftirqd/010:20:240
19204993126,3cyclictest9-21ksoftirqd/008:45:130
19204993126,3cyclictest9-21ksoftirqd/008:12:040
19204993126,3cyclictest9-21ksoftirqd/008:04:380
19204993126,3cyclictest9-21ksoftirqd/007:55:300
19204993125,4cyclictest9-21ksoftirqd/009:13:530
19204993125,4cyclictest9-21ksoftirqd/008:35:340
19204993125,4cyclictest9-21ksoftirqd/007:29:230
19204993125,3cyclictest9-21ksoftirqd/007:45:130
1920499310,2cyclictest121rcu_preempt08:45:010
57898300,6rtkit-daemon14291-21meminfo08:05:210
19207993025,3cyclictest41-21ksoftirqd/308:34:253
19204993026,3cyclictest9-21ksoftirqd/008:25:200
19204993025,3cyclictest9-21ksoftirqd/012:15:180
19204993025,3cyclictest9-21ksoftirqd/008:24:080
19204993025,3cyclictest9-21ksoftirqd/007:38:480
19204993024,4cyclictest9-21ksoftirqd/011:22:270
19204993024,4cyclictest9-21ksoftirqd/011:07:180
19204993024,4cyclictest9-21ksoftirqd/009:34:270
139391300,0ptp4l401ktimersoftd/310:05:153
1920499294,8cyclictest9-21ksoftirqd/007:25:000
19204992926,2cyclictest9-21ksoftirqd/011:55:190
19204992926,2cyclictest9-21ksoftirqd/011:55:180
19204992926,2cyclictest9-21ksoftirqd/008:55:000
19204992925,2cyclictest9-21ksoftirqd/009:05:190
19204992924,3cyclictest9-21ksoftirqd/011:48:020
19204992924,3cyclictest9-21ksoftirqd/009:42:410
19204992924,3cyclictest9-21ksoftirqd/007:50:360
19204992923,4cyclictest9-21ksoftirqd/012:11:490
19204992923,4cyclictest9-21ksoftirqd/011:27:090
19204992823,3cyclictest9-21ksoftirqd/010:33:360
19204992823,3cyclictest9-21ksoftirqd/009:29:070
19204992622,2cyclictest9-21ksoftirqd/012:25:000
19204992621,3cyclictest9-21ksoftirqd/009:22:350
19204992620,4cyclictest9-21ksoftirqd/012:06:390
19204992520,3cyclictest9-21ksoftirqd/010:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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