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2026-01-02 - 16:41
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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 rackdslot4.osadl.org (updated Fri Jan 02, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3194422140,3sleep031961-21spawn07:09:120
138591203169,23phc2sys0-21swapper/307:06:313
89182196162,23sleep10-21swapper/107:07:511
87542195162,22sleep20-21swapper/207:06:542
174021680,7sleep1913099cyclictest08:20:261
2806521660,3sleep1913099cyclictest11:25:031
875021580,3sleep3913999cyclictest07:13:423
343921540,2sleep00-21swapper/010:35:160
2297721480,6sleep0911699cyclictest07:13:220
1833921380,3sleep0911699cyclictest07:50:160
1144621310,3sleep1913099cyclictest10:50:211
250062890,9sleep225017-21wc07:18:282
156462740,4sleep115663-21grep07:17:291
9136997228,5cyclictest33-21ksoftirqd/207:12:372
126662700,4sleep312674-21tee07:16:413
138491660,1ptp4l401ktimersoftd/307:47:043
9136996421,9cyclictest33-21ksoftirqd/210:50:142
9136996322,4cyclictest33-21ksoftirqd/211:25:182
9116996332,5cyclictest9-21ksoftirqd/011:50:250
9136996224,8cyclictest33-21ksoftirqd/207:25:002
9136996223,4cyclictest33-21ksoftirqd/210:20:142
9136996223,4cyclictest33-21ksoftirqd/208:10:192
9136996128,9cyclictest33-21ksoftirqd/211:10:012
9136996124,7cyclictest33-21ksoftirqd/209:25:142
9136996120,9cyclictest33-21ksoftirqd/207:45:192
9116996131,9cyclictest9-21ksoftirqd/007:16:450
9136996026,8cyclictest33-21ksoftirqd/211:20:132
9136996022,10cyclictest33-21ksoftirqd/207:50:252
9136996021,9cyclictest33-21ksoftirqd/208:50:232
9136996021,9cyclictest33-21ksoftirqd/208:15:202
9116996033,4cyclictest9-21ksoftirqd/008:50:000
210862600,3sleep3391rcuc/311:10:173
9136995922,9cyclictest33-21ksoftirqd/211:15:252
9136995824,11cyclictest33-21ksoftirqd/209:30:202
9136995820,4cyclictest33-21ksoftirqd/210:55:262
9136995721,9cyclictest33-21ksoftirqd/212:20:162
9136995721,9cyclictest33-21ksoftirqd/209:05:182
9136995718,9cyclictest33-21ksoftirqd/208:45:172
43622570,4sleep14367-21needreboot09:30:221
9136995623,9cyclictest33-21ksoftirqd/208:20:252
9136995622,9cyclictest33-21ksoftirqd/211:35:142
9136995523,8cyclictest33-21ksoftirqd/211:00:122
9136995520,9cyclictest33-21ksoftirqd/210:15:142
9136995520,5cyclictest33-21ksoftirqd/209:55:272
9136995518,9cyclictest33-21ksoftirqd/212:10:002
288952550,2sleep1913099cyclictest07:15:001
9136995427,4cyclictest33-21ksoftirqd/207:44:592
9136995422,7cyclictest33-21ksoftirqd/209:15:192
9136995421,8cyclictest33-21ksoftirqd/209:45:242
9136995418,4cyclictest33-21ksoftirqd/207:30:142
9136995417,6cyclictest33-21ksoftirqd/208:35:192
9136995320,9cyclictest33-21ksoftirqd/212:00:002
9136995320,4cyclictest33-21ksoftirqd/210:05:012
9136995319,9cyclictest33-21ksoftirqd/212:10:162
9136995317,5cyclictest33-21ksoftirqd/209:35:242
138491530,1ptp4l401ktimersoftd/311:08:413
121572530,2sleep20-21swapper/208:40:242
913699528,4cyclictest33-21ksoftirqd/211:40:232
913699522,6cyclictest33-21ksoftirqd/211:30:242
9136995221,6cyclictest33-21ksoftirqd/210:45:192
9136995219,6cyclictest33-21ksoftirqd/211:10:172
9136995216,5cyclictest33-21ksoftirqd/208:05:232
138491520,1ptp4l401ktimersoftd/307:33:543
138491520,0ptp4l401ktimersoftd/310:30:093
913699518,2cyclictest33-21ksoftirqd/212:00:222
913699517,3cyclictest33-21ksoftirqd/209:10:222
913699516,3cyclictest33-21ksoftirqd/210:40:242
913699513,6cyclictest33-21ksoftirqd/209:04:592
9136995121,9cyclictest33-21ksoftirqd/212:35:122
9136995121,9cyclictest33-21ksoftirqd/212:30:132
9136995121,10cyclictest33-21ksoftirqd/209:50:132
9136995120,9cyclictest33-21ksoftirqd/210:30:272
913699511,7cyclictest33-21ksoftirqd/211:50:142
9136995116,5cyclictest33-21ksoftirqd/211:45:162
913699506,2cyclictest33-21ksoftirqd/209:40:282
9116995029,10cyclictest9-21ksoftirqd/012:25:010
9116995016,5cyclictest9-21ksoftirqd/009:50:200
913699499,3cyclictest33-21ksoftirqd/210:10:132
913699497,2cyclictest33-21ksoftirqd/208:25:162
913699493,6cyclictest33-21ksoftirqd/209:20:162
9136994917,4cyclictest33-21ksoftirqd/210:35:262
913699491,6cyclictest33-21ksoftirqd/210:25:122
9136994913,10cyclictest33-21ksoftirqd/212:25:212
9116994933,7cyclictest9-21ksoftirqd/008:59:590
913699485,7cyclictest33-21ksoftirqd/207:25:262
9136994815,5cyclictest33-21ksoftirqd/210:05:232
913099481,6cyclictest121rcu_preempt11:50:011
9116994833,4cyclictest9-21ksoftirqd/008:25:010
9116994831,5cyclictest9-21ksoftirqd/008:10:000
913999471,43cyclictest17731-21wc11:05:013
913699473,5cyclictest33-21ksoftirqd/207:35:122
913699472,5cyclictest33-21ksoftirqd/207:55:182
913699472,5cyclictest33-21ksoftirqd/207:55:182
9116994728,8cyclictest9-21ksoftirqd/007:49:590
9116994716,4cyclictest9-21ksoftirqd/008:50:190
9139994615,6cyclictest41-21ksoftirqd/311:15:153
913699463,4cyclictest33-21ksoftirqd/208:00:152
913699462,2cyclictest121rcu_preempt12:15:172
9136994612,5cyclictest33-21ksoftirqd/208:31:132
9130994613,5cyclictest25-21ksoftirqd/110:30:201
9116994633,4cyclictest9-21ksoftirqd/009:20:000
9139994517,8cyclictest41-21ksoftirqd/312:05:183
9139994515,4cyclictest41-21ksoftirqd/309:15:233
913699455,3cyclictest33-21ksoftirqd/208:55:242
9116994530,7cyclictest9-21ksoftirqd/008:10:190
9139994430,12cyclictest41-21ksoftirqd/308:50:013
911699444,10cyclictest9-21ksoftirqd/009:50:010
9116994425,8cyclictest9-21ksoftirqd/012:30:190
138491440,0ptp4l401ktimersoftd/310:46:113
913099431,3cyclictest17747-21grep10:00:001
9116994325,8cyclictest9-21ksoftirqd/008:00:170
9116994325,5cyclictest9-21ksoftirqd/010:55:110
9139994229,10cyclictest41-21ksoftirqd/307:50:263
9116994227,5cyclictest9-21ksoftirqd/009:35:270
9116994226,4cyclictest9-21ksoftirqd/010:00:250
9116994225,9cyclictest9-21ksoftirqd/008:30:210
9116994225,7cyclictest9-21ksoftirqd/012:00:250
911699422,4cyclictest9-21ksoftirqd/011:40:010
9116994222,9cyclictest9-21ksoftirqd/009:05:230
913999415,3cyclictest41-21ksoftirqd/308:25:003
913999412,2cyclictest121rcu_preempt11:50:003
9139994110,6cyclictest41-21ksoftirqd/310:00:153
9116994126,4cyclictest9-21ksoftirqd/010:15:250
9116994125,4cyclictest9-21ksoftirqd/011:55:280
9116994124,8cyclictest9-21ksoftirqd/010:05:200
9116994124,3cyclictest9-21ksoftirqd/010:40:180
9116994123,7cyclictest9-21ksoftirqd/008:45:000
9116994123,5cyclictest9-21ksoftirqd/011:45:230
277172410,2sleep10-21swapper/108:10:111
138491410,0ptp4l401ktimersoftd/311:55:233
138491410,0ptp4l401ktimersoftd/309:40:223
138491410,0ptp4l401ktimersoftd/309:10:253
913999409,3cyclictest41-21ksoftirqd/309:35:003
9139994034,3cyclictest329-21grep09:25:003
9139994010,6cyclictest41-21ksoftirqd/312:10:143
9130994035,3cyclictest25-21ksoftirqd/108:40:001
9130994024,5cyclictest25-21ksoftirqd/108:50:011
9130994018,9cyclictest25-21ksoftirqd/107:50:141
9116994025,5cyclictest9-21ksoftirqd/010:10:180
9116994025,4cyclictest9-21ksoftirqd/010:50:230
9116994025,4cyclictest9-21ksoftirqd/008:25:010
9116994023,5cyclictest9-21ksoftirqd/011:20:140
9116994022,7cyclictest9-21ksoftirqd/008:15:300
9116994021,9cyclictest9-21ksoftirqd/012:25:240
138491400,0ptp4l401ktimersoftd/309:38:393
138491400,0ptp4l401ktimersoftd/309:00:303
913999399,6cyclictest41-21ksoftirqd/309:50:273
913999399,3cyclictest41-21ksoftirqd/307:40:013
913999396,3cyclictest41-21ksoftirqd/312:05:003
913999395,6cyclictest41-21ksoftirqd/310:40:003
9139993935,3cyclictest41-21ksoftirqd/307:45:003
9139993910,4cyclictest41-21ksoftirqd/310:15:143
913999390,2cyclictest121rcu_preempt09:00:003
9130993934,3cyclictest25-21ksoftirqd/112:34:591
9130993934,3cyclictest25-21ksoftirqd/111:00:001
9130993934,3cyclictest25-21ksoftirqd/107:35:011
911699393,8cyclictest121rcu_preempt12:35:180
9116993935,2cyclictest9-21ksoftirqd/011:05:010
9116993924,4cyclictest9-21ksoftirqd/011:40:190
9116993924,4cyclictest9-21ksoftirqd/007:25:240
9116993923,9cyclictest9-21ksoftirqd/009:20:150
9116993923,4cyclictest9-21ksoftirqd/010:25:230
9116993922,7cyclictest9-21ksoftirqd/009:25:220
9116993921,7cyclictest9-21ksoftirqd/010:45:190
913999388,7cyclictest41-21ksoftirqd/310:20:253
913999386,3cyclictest41-21ksoftirqd/310:45:003
913999385,2cyclictest41-21ksoftirqd/308:00:013
913999385,2cyclictest41-21ksoftirqd/308:00:003
9139993834,2cyclictest41-21ksoftirqd/311:35:003
913099388,5cyclictest25-21ksoftirqd/112:10:191
9116993833,3cyclictest9-21ksoftirqd/007:44:590
9116993824,4cyclictest9-21ksoftirqd/011:15:150
9116993824,4cyclictest9-21ksoftirqd/007:35:100
9116993823,5cyclictest9-21ksoftirqd/009:55:130
9116993822,7cyclictest9-21ksoftirqd/011:30:280
9116993822,5cyclictest9-21ksoftirqd/011:25:270
9116993822,4cyclictest9-21ksoftirqd/012:05:200
9116993821,10cyclictest9-21ksoftirqd/011:05:210
138491380,0ptp4l401ktimersoftd/310:07:223
913999379,4cyclictest41-21ksoftirqd/307:20:143
913999373,3cyclictest41-21ksoftirqd/311:35:193
9139993732,3cyclictest41-21ksoftirqd/308:35:163
9139993727,9cyclictest41-21ksoftirqd/307:25:283
913099379,9cyclictest25-21ksoftirqd/109:10:011
9130993733,2cyclictest25-21ksoftirqd/111:05:011
9130993732,3cyclictest25-21ksoftirqd/112:00:001
9130993732,3cyclictest25-21ksoftirqd/111:40:001
9130993730,4cyclictest25-21ksoftirqd/108:06:261
9130993721,8cyclictest25-21ksoftirqd/108:55:011
9130993720,8cyclictest25-21ksoftirqd/107:30:011
913099370,6cyclictest15428-21grep09:55:001
913099370,3cyclictest121rcu_preempt09:45:131
9116993730,4cyclictest9-21ksoftirqd/012:13:170
9116993723,5cyclictest9-21ksoftirqd/010:30:140
9116993722,4cyclictest9-21ksoftirqd/011:10:140
9116993722,4cyclictest9-21ksoftirqd/007:30:010
9116993721,5cyclictest9-21ksoftirqd/007:20:240
9116993719,7cyclictest9-21ksoftirqd/009:10:120
138491370,0ptp4l401ktimersoftd/308:05:193
913999365,3cyclictest41-21ksoftirqd/308:35:003
913999363,8cyclictest41-21ksoftirqd/310:50:283
9139993631,3cyclictest41-21ksoftirqd/312:20:133
9139993631,3cyclictest41-21ksoftirqd/309:30:003
9139993630,3cyclictest41-21ksoftirqd/309:50:003
9139993624,3cyclictest41-21ksoftirqd/310:55:123
9130993632,3cyclictest25-21ksoftirqd/108:19:591
9130993631,3cyclictest25-21ksoftirqd/110:45:001
9130993631,3cyclictest25-21ksoftirqd/108:35:001
9130993630,4cyclictest25-21ksoftirqd/112:25:011
9130993630,4cyclictest25-21ksoftirqd/112:03:431
9130993630,4cyclictest25-21ksoftirqd/111:11:521
9130993630,4cyclictest25-21ksoftirqd/110:20:001
9130993630,4cyclictest25-21ksoftirqd/107:38:261
9130993630,3cyclictest25-21ksoftirqd/109:30:001
913099361,4cyclictest26119-21fschecks_count12:25:141
911699366,4cyclictest9-21ksoftirqd/009:45:010
9116993623,4cyclictest9-21ksoftirqd/009:30:170
9116993622,4cyclictest9-21ksoftirqd/009:00:150
9116993619,7cyclictest9-21ksoftirqd/008:35:130
9116993619,7cyclictest9-21ksoftirqd/007:55:120
9116993619,7cyclictest9-21ksoftirqd/007:55:120
913999355,3cyclictest41-21ksoftirqd/310:25:123
913999355,3cyclictest41-21ksoftirqd/308:10:143
913999354,3cyclictest41-21ksoftirqd/308:05:003
9139993531,2cyclictest41-21ksoftirqd/312:35:123
9139993530,3cyclictest41-21ksoftirqd/308:50:143
9139993530,3cyclictest41-21ksoftirqd/308:15:313
9139993528,4cyclictest41-21ksoftirqd/311:28:263
9139993523,3cyclictest41-21ksoftirqd/310:10:133
9139993522,3cyclictest41-21ksoftirqd/311:40:183
9139993521,4cyclictest41-21ksoftirqd/312:25:023
9139993521,3cyclictest41-21ksoftirqd/312:15:193
913999350,2cyclictest0-21swapper/311:50:253
9130993530,3cyclictest25-21ksoftirqd/111:25:011
9130993530,3cyclictest25-21ksoftirqd/110:38:231
9130993530,3cyclictest25-21ksoftirqd/109:15:181
9130993530,3cyclictest25-21ksoftirqd/109:10:091
9130993530,3cyclictest25-21ksoftirqd/108:30:001
9130993530,3cyclictest25-21ksoftirqd/107:55:181
9130993530,3cyclictest25-21ksoftirqd/107:55:181
9130993529,4cyclictest25-21ksoftirqd/109:02:151
9116993516,7cyclictest9-21ksoftirqd/010:20:130
50798350,7rtkit-daemon0-21swapper/308:44:453
9139993429,2cyclictest41-21ksoftirqd/312:30:223
9139993428,4cyclictest41-21ksoftirqd/308:27:183
9139993420,4cyclictest41-21ksoftirqd/311:20:153
9139993420,3cyclictest41-21ksoftirqd/309:55:213
9130993429,3cyclictest25-21ksoftirqd/111:34:531
9130993429,3cyclictest25-21ksoftirqd/110:00:161
9130993428,4cyclictest25-21ksoftirqd/110:29:361
9130993428,4cyclictest25-21ksoftirqd/110:10:581
9130993428,4cyclictest25-21ksoftirqd/109:22:401
9130993419,4cyclictest25-21ksoftirqd/112:20:011
913099341,3cyclictest121rcu_preempt09:40:001
9116993420,4cyclictest9-21ksoftirqd/012:15:200
9139993327,4cyclictest41-21ksoftirqd/309:05:193
9130993329,3cyclictest25-21ksoftirqd/110:25:011
9130993328,3cyclictest25-21ksoftirqd/111:40:471
9130993327,3cyclictest25-21ksoftirqd/111:15:141
9130993318,4cyclictest25-21ksoftirqd/107:45:251
9130993316,5cyclictest25-21ksoftirqd/107:40:281
913099330,4cyclictest18490-21runrttasks08:55:161
9130993228,3cyclictest25-21ksoftirqd/110:09:591
9130993226,4cyclictest25-21ksoftirqd/111:06:461
9130993226,4cyclictest25-21ksoftirqd/110:45:401
9130993220,9cyclictest25-21ksoftirqd/111:50:171
913099320,4cyclictest16030-21grep12:05:151
9130993125,4cyclictest25-21ksoftirqd/112:37:121
913099311,2cyclictest0-21swapper/107:22:281
9130993026,2cyclictest25-21ksoftirqd/108:00:121
9130993019,4cyclictest25-21ksoftirqd/109:40:201
913099300,9cyclictest11313-21grep08:40:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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