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2026-03-12 - 08:33
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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 rackdslot3.osadl.org (updated Thu Mar 12, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121252232166,22sleep00-21swapper/019:06:060
139491207168,27phc2sys0-21swapper/319:07:103
122092205172,22sleep10-21swapper/119:07:121
121172203170,22sleep20-21swapper/219:06:002
2409521610,3sleep31272199cyclictest20:40:163
516921560,6sleep31272199cyclictest21:10:003
12720996732,5cyclictest33-21ksoftirqd/223:25:002
139391650,1ptp4l401ktimersoftd/319:26:443
129932650,7sleep11271999cyclictest23:40:141
139391640,1ptp4l401ktimersoftd/321:30:103
139391640,1ptp4l401ktimersoftd/300:28:283
12720996431,4cyclictest33-21ksoftirqd/222:20:232
12720996230,6cyclictest33-21ksoftirqd/219:10:242
12720996228,5cyclictest33-21ksoftirqd/200:20:002
12720996128,9cyclictest33-21ksoftirqd/219:55:012
12720996125,4cyclictest33-21ksoftirqd/223:45:272
12719996132,4cyclictest25-21ksoftirqd/122:50:231
12718996129,4cyclictest9-21ksoftirqd/000:20:000
12720996031,3cyclictest33-21ksoftirqd/222:05:002
12720996029,9cyclictest33-21ksoftirqd/223:40:132
12720996025,4cyclictest33-21ksoftirqd/221:55:182
12719996028,4cyclictest25-21ksoftirqd/100:10:011
12720995931,8cyclictest33-21ksoftirqd/219:45:152
12720995929,6cyclictest33-21ksoftirqd/223:10:172
12720995928,9cyclictest33-21ksoftirqd/221:20:272
12720995928,6cyclictest33-21ksoftirqd/221:05:142
12720995928,6cyclictest33-21ksoftirqd/219:40:192
12720995921,10cyclictest33-21ksoftirqd/222:45:152
12718995924,4cyclictest9-21ksoftirqd/022:10:000
12720995831,12cyclictest33-21ksoftirqd/222:15:122
12720995827,6cyclictest33-21ksoftirqd/220:30:152
12720995826,6cyclictest33-21ksoftirqd/223:35:172
12719995827,3cyclictest25-21ksoftirqd/123:55:161
12719995814,8cyclictest25-21ksoftirqd/122:15:151
12720995726,9cyclictest33-21ksoftirqd/222:35:252
12720995724,5cyclictest33-21ksoftirqd/223:30:122
12720995722,6cyclictest33-21ksoftirqd/221:15:132
12720995722,5cyclictest33-21ksoftirqd/223:05:182
12720995722,5cyclictest33-21ksoftirqd/200:30:252
12720995721,6cyclictest33-21ksoftirqd/200:00:232
12720995721,5cyclictest33-21ksoftirqd/221:10:182
12720995719,8cyclictest33-21ksoftirqd/220:00:262
320142560,2sleep30-21swapper/300:20:113
12720995631,4cyclictest33-21ksoftirqd/200:10:132
12720995625,5cyclictest33-21ksoftirqd/222:05:242
12720995625,5cyclictest33-21ksoftirqd/219:55:182
12720995624,6cyclictest33-21ksoftirqd/222:40:172
12720995621,6cyclictest33-21ksoftirqd/221:40:202
12720995525,5cyclictest33-21ksoftirqd/220:45:182
12720995523,5cyclictest33-21ksoftirqd/223:25:152
12720995523,5cyclictest33-21ksoftirqd/200:05:122
12720995522,7cyclictest33-21ksoftirqd/221:25:172
12720995520,5cyclictest33-21ksoftirqd/219:35:232
163652540,1sleep20-21swapper/219:15:222
12720995427,6cyclictest33-21ksoftirqd/200:20:142
12720995423,5cyclictest33-21ksoftirqd/223:15:182
12720995422,8cyclictest33-21ksoftirqd/221:45:142
12719995414,8cyclictest25-21ksoftirqd/120:15:021
12720995322,8cyclictest33-21ksoftirqd/221:35:112
12720995322,5cyclictest33-21ksoftirqd/222:59:172
12720995319,5cyclictest33-21ksoftirqd/221:50:172
139391520,2ptp4l401ktimersoftd/320:50:343
1272099525,6cyclictest33-21ksoftirqd/220:50:132
1272099525,5cyclictest33-21ksoftirqd/200:40:012
12720995228,7cyclictest33-21ksoftirqd/220:25:132
12719995225,9cyclictest25-21ksoftirqd/120:25:261
12719995211,10cyclictest25-21ksoftirqd/120:35:181
12718995223,3cyclictest9-21ksoftirqd/021:55:210
1272099516,6cyclictest33-21ksoftirqd/221:30:192
1272099515,5cyclictest33-21ksoftirqd/200:25:192
1272099514,6cyclictest33-21ksoftirqd/223:55:202
12720995123,8cyclictest33-21ksoftirqd/220:55:182
12720995120,7cyclictest33-21ksoftirqd/223:00:132
12720995118,6cyclictest33-21ksoftirqd/220:05:172
12720995117,8cyclictest33-21ksoftirqd/220:20:192
12720995115,7cyclictest33-21ksoftirqd/222:50:512
1271999519,7cyclictest25-21ksoftirqd/120:49:301
12719995123,8cyclictest25-21ksoftirqd/122:40:141
12719995114,9cyclictest25-21ksoftirqd/100:20:161
12718995120,4cyclictest9-21ksoftirqd/023:05:180
1272099504,5cyclictest33-21ksoftirqd/220:40:242
12720995031,9cyclictest33-21ksoftirqd/221:00:152
12719995027,5cyclictest25-21ksoftirqd/121:15:131
12718995018,4cyclictest9-21ksoftirqd/021:30:130
1272099495,5cyclictest33-21ksoftirqd/222:30:152
1272099494,6cyclictest33-21ksoftirqd/219:30:222
1272099491,6cyclictest33-21ksoftirqd/222:25:272
12718994916,3cyclictest9-21ksoftirqd/020:40:230
134491480,7getstats1272199cyclictest19:59:573
1272099485,6cyclictest33-21ksoftirqd/220:10:172
1272099484,6cyclictest33-21ksoftirqd/220:15:172
1272099483,7cyclictest33-21ksoftirqd/222:10:132
12720994825,3cyclictest33-21ksoftirqd/219:20:202
12719994830,5cyclictest25-21ksoftirqd/120:40:241
12718994822,4cyclictest9-21ksoftirqd/019:35:220
12718994819,4cyclictest9-21ksoftirqd/000:00:250
12718994818,4cyclictest9-21ksoftirqd/022:30:250
12718994817,3cyclictest9-21ksoftirqd/020:35:130
12718994817,3cyclictest9-21ksoftirqd/000:10:170
12718994816,3cyclictest9-21ksoftirqd/019:50:200
1272099475,2cyclictest33-21ksoftirqd/220:35:192
1272099472,5cyclictest33-21ksoftirqd/219:25:242
12720994718,6cyclictest33-21ksoftirqd/223:50:132
1271899478,4cyclictest9-21ksoftirqd/021:15:270
1271899476,5cyclictest9-21ksoftirqd/020:55:170
12718994722,3cyclictest9-21ksoftirqd/020:50:230
12718994717,3cyclictest9-21ksoftirqd/022:45:250
12718994715,3cyclictest9-21ksoftirqd/020:10:260
1271999466,7cyclictest25-21ksoftirqd/100:00:151
12719994630,4cyclictest25-21ksoftirqd/100:10:261
12718994616,3cyclictest9-21ksoftirqd/000:25:180
1271999454,3cyclictest25-21ksoftirqd/120:05:211
1271999453,3cyclictest121rcu_preempt00:20:001
12719994520,4cyclictest25-21ksoftirqd/123:30:001
1271899451,6cyclictest121rcu_preempt19:40:170
12718994516,3cyclictest9-21ksoftirqd/023:40:190
12718994516,3cyclictest9-21ksoftirqd/022:40:250
12718994514,4cyclictest9-21ksoftirqd/019:25:270
12718994514,4cyclictest9-21ksoftirqd/000:05:220
12718994512,3cyclictest9-21ksoftirqd/023:55:000
139391440,0ptp4l401ktimersoftd/321:12:463
12719994438,3cyclictest25-21ksoftirqd/123:55:001
12719994411,9cyclictest25-21ksoftirqd/120:50:151
1271999440,8cyclictest25-21ksoftirqd/123:20:221
1271899447,10cyclictest9-21ksoftirqd/020:05:000
12718994435,3cyclictest9-21ksoftirqd/023:56:070
12718994418,4cyclictest9-21ksoftirqd/020:25:270
139391430,0ptp4l401ktimersoftd/321:25:063
1271999439,10cyclictest25-21ksoftirqd/119:35:141
1271999433,2cyclictest25-21ksoftirqd/121:05:141
12719994325,5cyclictest25-21ksoftirqd/121:55:271
12719994324,5cyclictest25-21ksoftirqd/119:55:001
1271999432,3cyclictest25-21ksoftirqd/120:20:001
1271999431,3cyclictest25-21ksoftirqd/100:25:251
1271999430,3cyclictest121rcu_preempt00:35:241
1271999430,2cyclictest25-21ksoftirqd/123:40:011
1271999430,2cyclictest121rcu_preempt21:20:221
12718994316,3cyclictest9-21ksoftirqd/021:35:180
12718994315,3cyclictest9-21ksoftirqd/019:55:120
12718994313,4cyclictest9-21ksoftirqd/019:50:010
12718994310,4cyclictest9-21ksoftirqd/021:10:000
1271999425,3cyclictest121rcu_preempt23:10:001
1271999424,7cyclictest121rcu_preempt21:00:151
1271999422,7cyclictest25-21ksoftirqd/123:19:591
1271999421,6cyclictest25-21ksoftirqd/121:35:251
1271999421,2cyclictest25-21ksoftirqd/120:20:241
1271999420,7cyclictest25-21ksoftirqd/121:30:141
1271999420,2cyclictest121rcu_preempt19:15:221
12718994215,3cyclictest9-21ksoftirqd/021:00:170
12718994214,3cyclictest9-21ksoftirqd/019:10:150
12718994212,4cyclictest9-21ksoftirqd/000:35:170
139391410,0ptp4l401ktimersoftd/322:23:193
12719994136,3cyclictest25-21ksoftirqd/119:30:001
12719994134,4cyclictest25-21ksoftirqd/120:00:011
12719994127,5cyclictest25-21ksoftirqd/120:00:171
1271999412,6cyclictest121rcu_preempt23:05:241
1271999412,2cyclictest25-21ksoftirqd/119:10:181
1271999411,3cyclictest25-21ksoftirqd/120:30:111
1271999411,3cyclictest121rcu_preempt22:10:011
1271999410,2cyclictest121rcu_preempt19:45:171
1271899417,3cyclictest9-21ksoftirqd/020:05:220
1271899413,3cyclictest21043-21cut20:35:010
12718994126,4cyclictest9-21ksoftirqd/022:15:000
139391400,1ptp4l401ktimersoftd/300:33:453
139391400,0ptp4l401ktimersoftd/323:32:283
139391400,0ptp4l401ktimersoftd/321:56:103
139391400,0ptp4l401ktimersoftd/319:51:363
12719994036,2cyclictest25-21ksoftirqd/122:50:001
12719994034,3cyclictest25-21ksoftirqd/123:50:001
1271999403,3cyclictest121rcu_preempt22:20:231
12719994028,3cyclictest25-21ksoftirqd/121:50:251
12719994023,5cyclictest25-21ksoftirqd/119:30:231
12719994022,11cyclictest25-21ksoftirqd/123:00:131
1271999401,2cyclictest25-21ksoftirqd/122:10:231
12718994026,4cyclictest9-21ksoftirqd/021:20:230
12718994010,3cyclictest9-21ksoftirqd/021:40:270
1271899400,7cyclictest121rcu_preempt00:30:130
57898390,7rtkit-daemon0-21swapper/321:40:163
147252390,4sleep314726-21irqrtprio20:20:183
1271999394,3cyclictest121rcu_preempt19:40:151
12719993934,3cyclictest25-21ksoftirqd/121:49:591
1271999392,6cyclictest25-21ksoftirqd/119:20:231
1271999392,3cyclictest121rcu_preempt21:25:121
1271999391,7cyclictest121rcu_preempt23:35:001
1271999390,2cyclictest25-21ksoftirqd/122:00:251
1271899398,4cyclictest9-21ksoftirqd/019:30:220
1271899397,4cyclictest9-21ksoftirqd/023:35:140
1271899396,4cyclictest9-21ksoftirqd/021:25:270
1271899392,8cyclictest9-21ksoftirqd/020:20:230
12718993912,3cyclictest9-21ksoftirqd/023:30:450
12719993834,2cyclictest25-21ksoftirqd/123:00:001
12719993834,2cyclictest25-21ksoftirqd/122:30:001
1271999380,3cyclictest25-21ksoftirqd/122:35:141
1271899383,4cyclictest9-21ksoftirqd/023:10:170
12718993826,3cyclictest9-21ksoftirqd/020:45:260
12718993825,3cyclictest9-21ksoftirqd/022:55:000
12718993824,4cyclictest9-21ksoftirqd/019:15:210
1271899381,3cyclictest9-21ksoftirqd/022:15:260
12718993812,3cyclictest9-21ksoftirqd/023:15:140
1271899380,3cyclictest121rcu_preempt21:15:000
139391370,1ptp4l401ktimersoftd/323:43:063
139391370,1ptp4l401ktimersoftd/321:00:423
12721993731,4cyclictest41-21ksoftirqd/323:17:453
12719993733,2cyclictest25-21ksoftirqd/120:55:201
12719993731,3cyclictest25-21ksoftirqd/100:34:591
1271999372,3cyclictest121rcu_preempt21:40:191
1271999371,3cyclictest25-21ksoftirqd/122:34:141
12718993732,3cyclictest9-21ksoftirqd/022:05:000
12718993732,2cyclictest9-21ksoftirqd/023:25:260
12718993722,3cyclictest9-21ksoftirqd/021:50:170
139391360,9ptp4l401ktimersoftd/323:51:103
12719993631,3cyclictest25-21ksoftirqd/121:10:131
1271899369,3cyclictest9-21ksoftirqd/021:49:380
12718993631,3cyclictest9-21ksoftirqd/023:50:000
12718993631,3cyclictest9-21ksoftirqd/022:40:000
12721993530,3cyclictest41-21ksoftirqd/320:18:193
12721993529,4cyclictest41-21ksoftirqd/323:38:513
12721993529,4cyclictest41-21ksoftirqd/322:41:233
12721993529,3cyclictest41-21ksoftirqd/319:45:113
12718993521,5cyclictest9-21ksoftirqd/000:20:250
1271899350,3cyclictest9-21ksoftirqd/019:20:230
12721993429,3cyclictest41-21ksoftirqd/322:00:113
12721993428,4cyclictest41-21ksoftirqd/322:32:523
12721993428,4cyclictest41-21ksoftirqd/300:36:243
12721993427,4cyclictest41-21ksoftirqd/323:25:113
12718993430,2cyclictest9-21ksoftirqd/023:00:150
12718993429,3cyclictest9-21ksoftirqd/022:25:150
12718993428,4cyclictest9-21ksoftirqd/022:58:050
12718993416,4cyclictest9-21ksoftirqd/022:25:010
1271899341,2cyclictest3931-21meminfo23:20:190
139391330,1ptp4l401ktimersoftd/300:00:503
12721993328,3cyclictest41-21ksoftirqd/320:10:443
12721993327,4cyclictest41-21ksoftirqd/319:18:413
12721993327,3cyclictest41-21ksoftirqd/323:24:573
12718993328,3cyclictest9-21ksoftirqd/020:15:200
12721993227,3cyclictest41-21ksoftirqd/322:49:523
12721993226,4cyclictest41-21ksoftirqd/323:46:303
12721993226,4cyclictest41-21ksoftirqd/321:23:403
12721993226,4cyclictest41-21ksoftirqd/320:02:503
12721993226,4cyclictest41-21ksoftirqd/319:35:013
12721993226,4cyclictest41-21ksoftirqd/319:12:113
139391310,8ptp4l401ktimersoftd/322:19:313
139391310,0ptp4l401ktimersoftd/322:56:133
139391310,0ptp4l401ktimersoftd/322:09:033
139391310,0ptp4l401ktimersoftd/321:52:093
139391310,0ptp4l401ktimersoftd/320:30:433
12721993125,4cyclictest41-21ksoftirqd/321:48:243
12721993125,4cyclictest41-21ksoftirqd/320:45:333
139391300,0ptp4l401ktimersoftd/322:35:353
139391300,0ptp4l401ktimersoftd/322:10:403
12721993025,3cyclictest41-21ksoftirqd/323:57:373
12721993025,3cyclictest41-21ksoftirqd/319:44:043
139391290,7ptp4l401ktimersoftd/300:12:183
139391290,0ptp4l401ktimersoftd/321:19:223
139391290,0ptp4l401ktimersoftd/320:29:563
139391290,0ptp4l401ktimersoftd/319:23:553
12721992924,3cyclictest41-21ksoftirqd/322:25:113
12721992924,3cyclictest41-21ksoftirqd/321:35:083
12721992924,3cyclictest41-21ksoftirqd/319:31:043
12721992923,4cyclictest41-21ksoftirqd/322:54:343
139391280,0ptp4l401ktimersoftd/320:05:143
12721992823,3cyclictest41-21ksoftirqd/323:12:563
1272199280,27cyclictest7302-21kworker/3:100:09:233
12721992722,3cyclictest41-21ksoftirqd/320:59:063
12721992721,4cyclictest41-21ksoftirqd/323:00:323
139391260,0ptp4l401ktimersoftd/320:35:113
139391250,0ptp4l401ktimersoftd/300:15:153
139391240,0ptp4l401ktimersoftd/323:05:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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