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2025-12-19 - 21:56
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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 Fri Dec 19, 2025 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591220178,34phc2sys0-21swapper/307:07:223
15282206173,22sleep20-21swapper/207:09:142
15832205173,21sleep10-21swapper/107:09:591
13192203169,23sleep00-21swapper/007:06:510
15852164126,13sleep30-21swapper/307:10:013
139291900,1ptp4l18865-21cpuspeed_turbos10:00:113
1882997529,11cyclictest9-21ksoftirqd/010:05:260
1882996427,11cyclictest9-21ksoftirqd/010:00:010
142302640,3sleep20-21swapper/210:55:232
1882996120,8cyclictest9-21ksoftirqd/009:10:160
1883996029,4cyclictest25-21ksoftirqd/109:00:191
1882996027,11cyclictest9-21ksoftirqd/011:05:000
1882996024,4cyclictest9-21ksoftirqd/009:45:190
1882995929,10cyclictest9-21ksoftirqd/009:20:280
1882995929,10cyclictest9-21ksoftirqd/009:20:270
1882995923,7cyclictest9-21ksoftirqd/009:40:000
1882995919,6cyclictest9-21ksoftirqd/007:30:180
1882995825,10cyclictest9-21ksoftirqd/012:00:000
1882995819,8cyclictest9-21ksoftirqd/012:35:180
1883995729,4cyclictest25-21ksoftirqd/108:15:161
1882995729,3cyclictest9-21ksoftirqd/010:25:160
1882995726,9cyclictest9-21ksoftirqd/008:10:190
101662570,1sleep30-21swapper/311:55:173
276292560,3sleep027634-21fschecks_count11:25:180
1883995627,7cyclictest25-21ksoftirqd/108:35:201
1882995626,2cyclictest121rcu_preempt08:59:040
1882995624,11cyclictest9-21ksoftirqd/012:30:000
1882995619,6cyclictest9-21ksoftirqd/009:00:180
1882995618,3cyclictest9-21ksoftirqd/011:45:130
1883995525,4cyclictest25-21ksoftirqd/111:15:221
1883995525,4cyclictest25-21ksoftirqd/109:20:011
1882995522,9cyclictest9-21ksoftirqd/012:20:250
1882995520,5cyclictest9-21ksoftirqd/010:20:270
1882995518,8cyclictest9-21ksoftirqd/011:05:150
139291550,1ptp4l401ktimersoftd/309:39:093
1883995426,3cyclictest25-21ksoftirqd/110:10:141
1883995426,3cyclictest25-21ksoftirqd/108:30:201
1883995423,3cyclictest25-21ksoftirqd/112:15:261
188299544,10cyclictest9-21ksoftirqd/009:40:140
1883995325,4cyclictest25-21ksoftirqd/108:10:271
1882995318,5cyclictest9-21ksoftirqd/012:15:240
1882995315,3cyclictest9-21ksoftirqd/011:33:030
1882995313,4cyclictest9-21ksoftirqd/010:35:150
1883995219,4cyclictest25-21ksoftirqd/107:55:001
1883995219,4cyclictest25-21ksoftirqd/107:15:001
1883995218,4cyclictest25-21ksoftirqd/107:45:271
1883995217,4cyclictest25-21ksoftirqd/110:25:201
188299525,3cyclictest9-21ksoftirqd/011:20:260
1882995224,9cyclictest9-21ksoftirqd/007:25:190
1883995119,4cyclictest25-21ksoftirqd/110:30:231
1883995118,4cyclictest25-21ksoftirqd/111:40:011
1883995117,4cyclictest25-21ksoftirqd/110:00:121
188299516,3cyclictest9-21ksoftirqd/012:10:240
1882995124,4cyclictest9-21ksoftirqd/010:40:190
1883995023,4cyclictest25-21ksoftirqd/109:50:261
1883995023,4cyclictest25-21ksoftirqd/109:50:251
1883995022,4cyclictest25-21ksoftirqd/108:55:241
1883995019,4cyclictest25-21ksoftirqd/108:50:291
1883995018,4cyclictest25-21ksoftirqd/109:40:161
1883995018,4cyclictest25-21ksoftirqd/108:42:581
1883995016,5cyclictest25-21ksoftirqd/107:35:251
1883995015,5cyclictest25-21ksoftirqd/111:50:231
188299506,3cyclictest9-21ksoftirqd/012:05:220
188299506,2cyclictest9-21ksoftirqd/007:35:260
188299506,2cyclictest9-21ksoftirqd/007:10:120
188299505,3cyclictest9-21ksoftirqd/011:15:120
188299505,3cyclictest9-21ksoftirqd/010:50:170
188299505,3cyclictest9-21ksoftirqd/008:50:000
188299505,2cyclictest9-21ksoftirqd/012:30:260
188299505,2cyclictest9-21ksoftirqd/011:40:250
188299504,3cyclictest9-21ksoftirqd/009:25:150
188299504,2cyclictest9-21ksoftirqd/010:55:210
188299504,2cyclictest121rcu_preempt11:55:000
1882995027,3cyclictest9-21ksoftirqd/008:20:280
1882995019,9cyclictest9-21ksoftirqd/008:40:210
1882995015,7cyclictest9-21ksoftirqd/007:15:160
1883994926,4cyclictest25-21ksoftirqd/107:45:001
1883994923,4cyclictest25-21ksoftirqd/109:30:001
1883994922,3cyclictest25-21ksoftirqd/110:15:141
1883994919,8cyclictest25-21ksoftirqd/110:55:271
1883994917,4cyclictest25-21ksoftirqd/112:25:161
1883994912,4cyclictest25-21ksoftirqd/112:05:261
188299496,3cyclictest9-21ksoftirqd/008:05:250
188299496,2cyclictest9-21ksoftirqd/008:30:250
188299495,3cyclictest9-21ksoftirqd/011:10:180
188299495,2cyclictest9-21ksoftirqd/010:30:230
188299495,2cyclictest9-21ksoftirqd/007:20:210
1883994820,4cyclictest25-21ksoftirqd/110:55:001
1883994818,4cyclictest25-21ksoftirqd/109:05:241
1883994818,3cyclictest25-21ksoftirqd/112:10:131
1883994817,4cyclictest25-21ksoftirqd/108:05:211
1883994815,4cyclictest25-21ksoftirqd/111:45:261
1883994813,4cyclictest25-21ksoftirqd/108:45:131
188299485,3cyclictest9-21ksoftirqd/010:10:210
188299483,2cyclictest121rcu_preempt09:10:000
1882994818,4cyclictest9-21ksoftirqd/007:55:240
1882994814,9cyclictest9-21ksoftirqd/007:45:130
1884994741,3cyclictest4264-21basename09:30:012
1883994719,3cyclictest25-21ksoftirqd/112:00:231
1883994717,4cyclictest25-21ksoftirqd/109:30:191
1883994716,4cyclictest25-21ksoftirqd/109:20:281
1883994716,4cyclictest25-21ksoftirqd/109:20:281
1883994715,7cyclictest25-21ksoftirqd/110:05:141
1883994714,4cyclictest25-21ksoftirqd/112:35:221
188299477,2cyclictest9-21ksoftirqd/008:20:010
188299475,7cyclictest9-21ksoftirqd/010:45:150
1882994730,8cyclictest9-21ksoftirqd/009:30:250
1882994727,10cyclictest9-21ksoftirqd/010:00:250
1883994631,4cyclictest25-21ksoftirqd/107:20:201
1883994617,4cyclictest25-21ksoftirqd/111:00:201
1883994616,4cyclictest25-21ksoftirqd/109:10:181
1883994615,4cyclictest25-21ksoftirqd/110:45:141
1883994614,4cyclictest25-21ksoftirqd/107:15:241
1883994613,4cyclictest25-21ksoftirqd/111:30:301
1882994628,10cyclictest9-21ksoftirqd/009:15:150
1882994619,8cyclictest9-21ksoftirqd/008:50:140
1884994539,3cyclictest33-21ksoftirqd/208:30:012
1883994515,4cyclictest25-21ksoftirqd/112:20:261
1883994514,3cyclictest25-21ksoftirqd/107:30:211
1883994511,5cyclictest25-21ksoftirqd/109:45:251
188299453,3cyclictest9-21ksoftirqd/010:15:200
188299453,3cyclictest9-21ksoftirqd/009:50:120
188299453,3cyclictest9-21ksoftirqd/009:50:110
1882994530,2cyclictest9-21ksoftirqd/011:35:160
188299450,8cyclictest9-21ksoftirqd/008:00:240
188299450,2cyclictest121rcu_preempt08:25:160
188399448,6cyclictest25-21ksoftirqd/109:35:241
188399443,3cyclictest121rcu_preempt11:55:251
1883994430,4cyclictest25-21ksoftirqd/110:35:141
1883994414,11cyclictest25-21ksoftirqd/112:35:011
188299445,5cyclictest9-21ksoftirqd/007:50:180
188299441,8cyclictest0-21swapper/007:44:590
1882994413,4cyclictest9-21ksoftirqd/012:00:100
188299440,2cyclictest121rcu_preempt08:35:200
135191440,8getstats188599cyclictest12:17:473
1883994314,4cyclictest25-21ksoftirqd/107:55:161
1883994312,3cyclictest25-21ksoftirqd/107:25:191
1883994229,4cyclictest25-21ksoftirqd/108:25:151
1883994226,4cyclictest25-21ksoftirqd/108:00:241
1883994221,4cyclictest25-21ksoftirqd/111:40:211
139291420,0ptp4l401ktimersoftd/308:16:113
1885994135,3cyclictest41-21ksoftirqd/308:40:003
1883994128,4cyclictest25-21ksoftirqd/109:55:131
1883994111,4cyclictest25-21ksoftirqd/111:05:161
139291410,0ptp4l401ktimersoftd/311:20:103
1885994034,4cyclictest41-21ksoftirqd/312:05:363
1883994024,4cyclictest25-21ksoftirqd/110:40:231
139291400,0ptp4l401ktimersoftd/311:26:113
139291400,0ptp4l401ktimersoftd/309:05:283
1884993934,3cyclictest33-21ksoftirqd/208:20:002
188399397,4cyclictest25-21ksoftirqd/110:20:141
1883993933,3cyclictest25-21ksoftirqd/111:25:161
188399392,3cyclictest0-21swapper/111:20:221
1883993923,4cyclictest25-21ksoftirqd/111:10:171
1885993832,4cyclictest41-21ksoftirqd/309:01:233
1885993831,4cyclictest41-21ksoftirqd/311:35:043
1884993833,3cyclictest33-21ksoftirqd/211:20:002
1884993833,2cyclictest33-21ksoftirqd/212:30:132
1885993732,3cyclictest41-21ksoftirqd/311:44:083
1885993732,3cyclictest41-21ksoftirqd/311:05:123
1885993732,3cyclictest41-21ksoftirqd/308:43:113
1885993732,3cyclictest41-21ksoftirqd/307:54:213
1885993731,4cyclictest41-21ksoftirqd/310:48:303
1884993733,2cyclictest17492-21idleruntime-cro11:05:002
1884993731,4cyclictest33-21ksoftirqd/209:31:122
1884993731,4cyclictest33-21ksoftirqd/209:24:182
1884993731,4cyclictest33-21ksoftirqd/209:24:172
1884993731,4cyclictest33-21ksoftirqd/208:58:302
188499371,3cyclictest121rcu_preempt10:35:022
139291370,0ptp4l401ktimersoftd/310:05:193
1885993630,4cyclictest41-21ksoftirqd/311:47:483
1885993630,4cyclictest41-21ksoftirqd/310:59:583
1885993630,4cyclictest41-21ksoftirqd/310:52:553
1885993630,4cyclictest41-21ksoftirqd/308:34:203
188499365,19cyclictest33-21ksoftirqd/207:44:592
1884993631,3cyclictest33-21ksoftirqd/211:55:192
1884993630,4cyclictest33-21ksoftirqd/212:23:572
1884993630,4cyclictest33-21ksoftirqd/212:08:562
1884993630,4cyclictest33-21ksoftirqd/210:31:572
1884993630,4cyclictest33-21ksoftirqd/209:38:492
1884993630,4cyclictest33-21ksoftirqd/208:32:432
1884993630,4cyclictest33-21ksoftirqd/208:10:312
1884993630,4cyclictest33-21ksoftirqd/207:17:452
1883993620,4cyclictest25-21ksoftirqd/108:20:211
139291360,0ptp4l401ktimersoftd/309:25:013
139291360,0ptp4l401ktimersoftd/309:25:003
1885993530,3cyclictest41-21ksoftirqd/312:12:143
1885993530,3cyclictest41-21ksoftirqd/310:42:003
1885993530,3cyclictest41-21ksoftirqd/308:45:113
1885993529,4cyclictest41-21ksoftirqd/312:23:293
1885993529,4cyclictest41-21ksoftirqd/311:50:333
1885993529,4cyclictest41-21ksoftirqd/309:57:073
1885993529,4cyclictest41-21ksoftirqd/307:56:083
1884993530,3cyclictest33-21ksoftirqd/211:37:232
1884993529,4cyclictest33-21ksoftirqd/211:22:552
1884993529,4cyclictest33-21ksoftirqd/207:58:372
1884993529,3cyclictest33-21ksoftirqd/207:50:192
139291350,0ptp4l401ktimersoftd/312:25:253
1885993430,3cyclictest41-21ksoftirqd/309:15:003
1885993429,3cyclictest41-21ksoftirqd/311:10:253
1885993429,3cyclictest41-21ksoftirqd/309:54:103
1885993429,3cyclictest41-21ksoftirqd/309:54:103
1885993429,3cyclictest41-21ksoftirqd/308:10:003
1885993429,3cyclictest41-21ksoftirqd/308:00:133
1885993429,3cyclictest41-21ksoftirqd/307:20:223
1885993428,4cyclictest41-21ksoftirqd/310:13:213
1885993428,4cyclictest41-21ksoftirqd/308:57:343
1885993428,4cyclictest41-21ksoftirqd/308:21:523
1885993428,4cyclictest41-21ksoftirqd/307:19:373
1885993427,5cyclictest41-21ksoftirqd/308:28:213
1885993420,4cyclictest41-21ksoftirqd/310:35:013
1884993430,3cyclictest33-21ksoftirqd/208:50:202
1884993429,3cyclictest33-21ksoftirqd/209:44:592
1884993429,3cyclictest33-21ksoftirqd/207:30:182
1884993428,4cyclictest33-21ksoftirqd/208:21:562
1885993328,3cyclictest41-21ksoftirqd/312:01:163
1885993328,3cyclictest41-21ksoftirqd/310:26:553
1885993328,3cyclictest41-21ksoftirqd/308:12:303
1885993328,3cyclictest41-21ksoftirqd/307:37:123
1885993326,4cyclictest41-21ksoftirqd/311:16:183
1884993328,3cyclictest33-21ksoftirqd/212:40:002
1884993328,3cyclictest33-21ksoftirqd/211:47:002
1884993328,3cyclictest33-21ksoftirqd/210:08:232
1884993328,3cyclictest33-21ksoftirqd/207:50:012
1884993327,4cyclictest33-21ksoftirqd/211:50:352
1884993327,4cyclictest33-21ksoftirqd/210:13:152
1884993327,4cyclictest33-21ksoftirqd/208:48:582
1884993327,3cyclictest33-21ksoftirqd/209:04:302
1884993319,12cyclictest33-21ksoftirqd/210:55:002
1884993316,8cyclictest33-21ksoftirqd/208:39:592
1885993227,3cyclictest41-21ksoftirqd/312:35:533
1885993227,3cyclictest41-21ksoftirqd/311:05:013
1885993227,3cyclictest41-21ksoftirqd/307:30:113
1884993228,3cyclictest33-21ksoftirqd/210:20:182
1884993228,3cyclictest33-21ksoftirqd/207:15:002
1884993227,3cyclictest33-21ksoftirqd/212:20:002
1884993227,3cyclictest33-21ksoftirqd/211:44:052
1884993226,4cyclictest33-21ksoftirqd/210:42:402
1884993226,4cyclictest33-21ksoftirqd/209:46:392
1884993226,4cyclictest33-21ksoftirqd/209:12:012
1884993226,4cyclictest33-21ksoftirqd/209:06:242
1884993226,4cyclictest33-21ksoftirqd/208:02:062
1884993226,4cyclictest33-21ksoftirqd/207:23:472
188599314,6cyclictest121rcu_preempt11:30:213
1885993127,3cyclictest41-21ksoftirqd/309:30:163
1885993126,3cyclictest41-21ksoftirqd/309:20:013
1885993125,4cyclictest41-21ksoftirqd/307:49:473
1884993126,3cyclictest33-21ksoftirqd/212:25:452
1884993126,3cyclictest33-21ksoftirqd/210:46:172
1884993126,3cyclictest33-21ksoftirqd/208:09:592
1884993126,3cyclictest33-21ksoftirqd/207:37:462
1884993125,4cyclictest33-21ksoftirqd/211:33:022
1884993125,4cyclictest33-21ksoftirqd/210:25:592
1884993125,4cyclictest33-21ksoftirqd/210:02:242
1884993125,3cyclictest33-21ksoftirqd/211:25:212
188499311,3cyclictest121rcu_preempt10:20:002
188499310,5cyclictest33-21ksoftirqd/209:15:132
139291310,0ptp4l401ktimersoftd/312:30:383
139291310,0ptp4l401ktimersoftd/309:43:553
1885993025,3cyclictest41-21ksoftirqd/309:29:043
1884993026,2cyclictest33-21ksoftirqd/209:55:012
1884993026,2cyclictest33-21ksoftirqd/209:55:002
1884993025,3cyclictest33-21ksoftirqd/211:12:592
1884993024,4cyclictest33-21ksoftirqd/207:27:362
1884993018,10cyclictest33-21ksoftirqd/209:55:242
139291300,0ptp4l401ktimersoftd/310:20:253
1885992926,2cyclictest41-21ksoftirqd/310:30:233
1885992924,3cyclictest41-21ksoftirqd/310:15:183
1884992924,3cyclictest33-21ksoftirqd/212:00:282
1884992924,3cyclictest33-21ksoftirqd/208:41:122
1885992823,3cyclictest41-21ksoftirqd/308:51:403
1885992823,3cyclictest41-21ksoftirqd/307:40:133
1884992822,3cyclictest33-21ksoftirqd/212:10:192
1885992722,3cyclictest41-21ksoftirqd/309:45:143
1885992722,3cyclictest41-21ksoftirqd/307:25:473
1884992619,4cyclictest33-21ksoftirqd/211:05:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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