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2025-11-30 - 22:01
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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 Nov 30, 2025 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136691207174,22phc2sys0-21swapper/307:09:153
184312206173,22sleep10-21swapper/107:07:441
183252206172,22sleep20-21swapper/207:06:212
182862204171,23sleep00-21swapper/007:05:500
1348221730,6sleep21890799cyclictest11:25:282
1772021490,7sleep11890699cyclictest09:20:211
136591700,1ptp4l401ktimersoftd/311:20:283
298362620,2sleep00-21swapper/010:55:000
18907995925,5cyclictest33-21ksoftirqd/207:25:282
55772580,1sleep30-21swapper/307:50:143
280912560,2sleep20-21swapper/208:35:222
18907995630,2cyclictest33-21ksoftirqd/208:30:012
84032550,2sleep30-21swapper/311:15:253
18907995528,4cyclictest33-21ksoftirqd/210:50:222
136591550,1ptp4l401ktimersoftd/311:10:483
18907995427,3cyclictest33-21ksoftirqd/208:10:282
18907995421,6cyclictest33-21ksoftirqd/209:30:012
136591540,1ptp4l401ktimersoftd/309:29:143
18907995320,5cyclictest33-21ksoftirqd/208:00:212
18907995227,7cyclictest33-21ksoftirqd/209:10:142
18907995221,4cyclictest33-21ksoftirqd/210:20:302
18907995127,7cyclictest33-21ksoftirqd/210:10:242
18907995126,7cyclictest33-21ksoftirqd/210:35:002
18907995126,6cyclictest33-21ksoftirqd/208:15:152
18907995123,4cyclictest33-21ksoftirqd/209:40:142
18907995122,3cyclictest33-21ksoftirqd/207:45:142
18907995122,3cyclictest33-21ksoftirqd/207:45:132
18907995121,4cyclictest33-21ksoftirqd/210:45:152
18907995121,3cyclictest33-21ksoftirqd/207:10:172
18907995025,8cyclictest33-21ksoftirqd/211:00:292
18907995025,3cyclictest33-21ksoftirqd/207:35:002
18907995023,4cyclictest33-21ksoftirqd/211:15:162
18907995022,4cyclictest33-21ksoftirqd/210:40:162
18907995020,4cyclictest33-21ksoftirqd/211:10:262
18907995020,4cyclictest33-21ksoftirqd/209:35:202
18907995019,3cyclictest33-21ksoftirqd/209:55:252
18907995015,6cyclictest33-21ksoftirqd/207:15:132
18907994926,7cyclictest33-21ksoftirqd/209:20:262
18907994923,4cyclictest33-21ksoftirqd/210:30:012
18907994921,4cyclictest33-21ksoftirqd/209:51:472
18907994921,3cyclictest33-21ksoftirqd/210:00:302
18907994919,9cyclictest33-21ksoftirqd/209:30:272
18907994919,5cyclictest33-21ksoftirqd/211:40:212
18907994824,6cyclictest33-21ksoftirqd/211:50:252
18907994824,6cyclictest33-21ksoftirqd/208:30:192
18907994822,4cyclictest33-21ksoftirqd/208:00:012
18907994821,3cyclictest33-21ksoftirqd/212:06:142
18907994820,9cyclictest33-21ksoftirqd/212:10:262
18907994820,3cyclictest33-21ksoftirqd/212:25:112
18907994818,8cyclictest33-21ksoftirqd/208:50:272
18907994817,4cyclictest33-21ksoftirqd/212:00:282
18907994721,4cyclictest33-21ksoftirqd/209:00:192
18907994720,3cyclictest33-21ksoftirqd/210:15:162
18907994715,9cyclictest33-21ksoftirqd/207:20:242
18907994715,10cyclictest33-21ksoftirqd/211:30:202
18907994620,7cyclictest33-21ksoftirqd/211:05:262
18907994618,6cyclictest33-21ksoftirqd/209:45:162
18907994618,4cyclictest33-21ksoftirqd/212:20:212
18907994617,9cyclictest33-21ksoftirqd/208:40:272
18907994614,7cyclictest33-21ksoftirqd/207:35:182
18907994613,6cyclictest33-21ksoftirqd/208:20:152
18907994517,7cyclictest33-21ksoftirqd/211:20:162
18907994517,6cyclictest33-21ksoftirqd/209:15:172
18907994517,10cyclictest33-21ksoftirqd/211:35:212
18907994512,4cyclictest33-21ksoftirqd/212:30:262
18906994519,7cyclictest25-21ksoftirqd/108:18:501
18907994419,9cyclictest33-21ksoftirqd/207:55:002
18907994418,7cyclictest33-21ksoftirqd/208:45:192
18907994417,3cyclictest33-21ksoftirqd/207:40:222
18907994416,3cyclictest33-21ksoftirqd/212:15:232
18907994416,10cyclictest33-21ksoftirqd/208:55:252
18907994416,10cyclictest33-21ksoftirqd/208:55:252
18907994415,7cyclictest33-21ksoftirqd/208:05:232
18907994413,4cyclictest33-21ksoftirqd/211:45:132
18907994411,9cyclictest33-21ksoftirqd/212:35:212
136591440,0ptp4l401ktimersoftd/308:30:153
1890799437,2cyclictest33-21ksoftirqd/210:39:592
1890799433,3cyclictest33-21ksoftirqd/210:10:002
18907994312,10cyclictest33-21ksoftirqd/209:05:272
136591430,0ptp4l401ktimersoftd/309:50:273
18907994123,9cyclictest33-21ksoftirqd/211:55:192
18907994022,10cyclictest33-21ksoftirqd/210:55:172
1890699405,5cyclictest25-21ksoftirqd/110:00:161
18906993817,9cyclictest25-21ksoftirqd/108:05:151
18906993711,5cyclictest25-21ksoftirqd/110:32:451
136591370,0ptp4l401ktimersoftd/310:15:173
136591370,0ptp4l401ktimersoftd/307:55:263
18906993611,3cyclictest25-21ksoftirqd/108:42:531
1890699355,4cyclictest0-21swapper/111:05:191
1890699343,4cyclictest25-21ksoftirqd/110:14:051
18905993428,4cyclictest9-21ksoftirqd/009:23:100
18905993428,4cyclictest9-21ksoftirqd/007:26:190
136591340,1ptp4l401ktimersoftd/312:20:123
18908993327,4cyclictest41-21ksoftirqd/308:56:093
18908993327,4cyclictest41-21ksoftirqd/308:56:083
18908993327,4cyclictest41-21ksoftirqd/308:44:593
18906993322,9cyclictest231rcuc/110:47:291
18906993312,6cyclictest25-21ksoftirqd/108:48:231
18905993327,4cyclictest9-21ksoftirqd/009:54:520
18905993327,4cyclictest9-21ksoftirqd/008:51:240
18905993327,4cyclictest9-21ksoftirqd/008:42:180
18908993227,3cyclictest41-21ksoftirqd/311:39:593
18908993227,3cyclictest41-21ksoftirqd/309:03:043
18908993226,4cyclictest41-21ksoftirqd/310:10:593
18908993226,4cyclictest41-21ksoftirqd/309:39:183
18908993226,4cyclictest41-21ksoftirqd/309:08:133
18908993226,4cyclictest41-21ksoftirqd/308:13:573
18908993226,3cyclictest41-21ksoftirqd/311:05:043
18908993225,4cyclictest41-21ksoftirqd/308:18:383
18906993226,4cyclictest25-21ksoftirqd/111:34:571
18906993226,4cyclictest25-21ksoftirqd/111:18:441
18906993226,4cyclictest25-21ksoftirqd/110:56:141
18906993226,4cyclictest25-21ksoftirqd/107:13:121
1890699322,5cyclictest25-21ksoftirqd/110:21:141
18906993212,7cyclictest25-21ksoftirqd/107:35:191
18906993211,2cyclictest25-21ksoftirqd/108:29:231
18906993210,3cyclictest25-21ksoftirqd/107:15:051
18905993226,4cyclictest9-21ksoftirqd/012:01:120
18905993226,4cyclictest9-21ksoftirqd/011:27:590
18905993226,4cyclictest9-21ksoftirqd/011:01:470
18905993226,4cyclictest9-21ksoftirqd/010:39:400
18905993226,4cyclictest9-21ksoftirqd/010:25:490
18905993226,4cyclictest9-21ksoftirqd/009:45:560
18905993226,4cyclictest9-21ksoftirqd/009:13:380
18905993226,4cyclictest9-21ksoftirqd/007:18:180
18905993225,4cyclictest9-21ksoftirqd/011:36:330
136591320,0ptp4l401ktimersoftd/308:20:213
18908993125,4cyclictest41-21ksoftirqd/312:07:243
18908993125,4cyclictest41-21ksoftirqd/310:39:483
18908993125,4cyclictest41-21ksoftirqd/309:56:223
18908993125,4cyclictest41-21ksoftirqd/309:48:013
18908993125,4cyclictest41-21ksoftirqd/309:24:293
18908993125,4cyclictest41-21ksoftirqd/308:02:133
18908993125,4cyclictest41-21ksoftirqd/307:17:043
18906993126,3cyclictest25-21ksoftirqd/111:01:131
18906993125,4cyclictest25-21ksoftirqd/110:51:331
18906993125,4cyclictest25-21ksoftirqd/109:41:291
18906993125,4cyclictest25-21ksoftirqd/108:31:311
18906993125,4cyclictest25-21ksoftirqd/108:23:501
1890699312,4cyclictest25-21ksoftirqd/107:31:011
18906993124,4cyclictest25-21ksoftirqd/109:05:461
18906993117,3cyclictest25-21ksoftirqd/107:40:031
18905993126,3cyclictest9-21ksoftirqd/010:30:140
18905993126,3cyclictest9-21ksoftirqd/009:30:000
18905993125,4cyclictest9-21ksoftirqd/012:20:570
18905993125,4cyclictest9-21ksoftirqd/009:32:530
18905993125,4cyclictest9-21ksoftirqd/009:02:560
18905993125,4cyclictest9-21ksoftirqd/007:59:380
18905993125,4cyclictest9-21ksoftirqd/007:38:560
18905993125,4cyclictest9-21ksoftirqd/007:11:440
136591310,9ptp4l401ktimersoftd/307:47:063
136591310,9ptp4l401ktimersoftd/307:47:063
136591310,0ptp4l401ktimersoftd/310:40:373
18908993025,3cyclictest41-21ksoftirqd/312:34:373
18908993025,3cyclictest41-21ksoftirqd/310:57:083
18908993025,3cyclictest41-21ksoftirqd/309:17:163
18908993025,3cyclictest41-21ksoftirqd/307:44:133
18908993024,4cyclictest41-21ksoftirqd/311:51:493
18908993024,4cyclictest41-21ksoftirqd/311:49:073
18908993024,4cyclictest41-21ksoftirqd/310:01:083
18906993024,4cyclictest25-21ksoftirqd/111:14:151
18906993024,4cyclictest25-21ksoftirqd/110:25:571
18906993024,4cyclictest25-21ksoftirqd/109:56:201
18906993024,4cyclictest25-21ksoftirqd/109:26:271
18906993024,4cyclictest25-21ksoftirqd/108:54:231
18906993024,4cyclictest25-21ksoftirqd/107:47:311
18906993024,4cyclictest25-21ksoftirqd/107:47:311
18906993010,6cyclictest25-21ksoftirqd/111:46:151
18906993010,3cyclictest25-21ksoftirqd/107:20:301
18905993025,3cyclictest9-21ksoftirqd/012:28:130
18905993025,3cyclictest9-21ksoftirqd/012:06:540
18905993025,3cyclictest9-21ksoftirqd/011:17:440
18905993025,3cyclictest9-21ksoftirqd/008:13:060
18905993025,3cyclictest9-21ksoftirqd/007:43:090
18905993024,4cyclictest9-21ksoftirqd/012:14:000
18905993024,4cyclictest9-21ksoftirqd/011:33:080
18905993024,4cyclictest9-21ksoftirqd/011:20:330
18905993024,4cyclictest9-21ksoftirqd/011:08:290
18905993024,4cyclictest9-21ksoftirqd/010:57:050
18905993024,4cyclictest9-21ksoftirqd/010:40:440
18905993024,4cyclictest9-21ksoftirqd/009:42:070
18905993024,4cyclictest9-21ksoftirqd/008:33:000
18905993024,4cyclictest9-21ksoftirqd/008:22:530
18905993024,4cyclictest9-21ksoftirqd/008:15:580
136591300,0ptp4l401ktimersoftd/311:29:363
136591300,0ptp4l401ktimersoftd/310:52:193
136591300,0ptp4l401ktimersoftd/308:46:333
136591300,0ptp4l401ktimersoftd/308:35:263
136591300,0ptp4l401ktimersoftd/307:10:593
18908992925,3cyclictest41-21ksoftirqd/312:10:203
18908992924,3cyclictest41-21ksoftirqd/312:39:463
18908992924,3cyclictest41-21ksoftirqd/310:28:533
18908992923,4cyclictest41-21ksoftirqd/310:30:063
18908992923,4cyclictest41-21ksoftirqd/309:40:063
18908992923,4cyclictest41-21ksoftirqd/309:12:063
18906992925,3cyclictest25-21ksoftirqd/111:50:171
18906992924,3cyclictest25-21ksoftirqd/109:04:221
18906992923,4cyclictest25-21ksoftirqd/112:30:291
18906992923,4cyclictest25-21ksoftirqd/110:44:311
18906992923,4cyclictest25-21ksoftirqd/109:35:471
18906992923,4cyclictest25-21ksoftirqd/109:13:281
18906992910,7cyclictest25-21ksoftirqd/112:37:221
18906992910,7cyclictest25-21ksoftirqd/107:59:501
18905992925,2cyclictest9-21ksoftirqd/009:57:130
18905992924,3cyclictest9-21ksoftirqd/011:50:530
18905992924,3cyclictest9-21ksoftirqd/011:10:450
18905992923,4cyclictest9-21ksoftirqd/011:47:400
18905992923,4cyclictest9-21ksoftirqd/010:20:390
18905992923,4cyclictest9-21ksoftirqd/008:08:200
18905992923,4cyclictest9-21ksoftirqd/007:47:060
18905992923,4cyclictest9-21ksoftirqd/007:47:060
136591290,0ptp4l401ktimersoftd/307:31:293
18908992823,3cyclictest41-21ksoftirqd/308:07:283
18908992822,4cyclictest41-21ksoftirqd/310:22:583
18908992822,4cyclictest41-21ksoftirqd/310:08:553
18906992823,3cyclictest25-21ksoftirqd/111:35:211
18906992823,3cyclictest25-21ksoftirqd/108:55:331
18906992823,3cyclictest25-21ksoftirqd/108:55:331
18906992822,4cyclictest25-21ksoftirqd/112:05:021
18906992822,4cyclictest25-21ksoftirqd/111:44:481
18905992823,3cyclictest9-21ksoftirqd/011:43:440
18905992823,3cyclictest9-21ksoftirqd/008:27:380
18905992822,4cyclictest9-21ksoftirqd/012:33:290
18905992822,4cyclictest9-21ksoftirqd/011:55:540
18905992822,4cyclictest9-21ksoftirqd/010:18:250
18905992822,4cyclictest9-21ksoftirqd/010:12:080
18905992822,4cyclictest9-21ksoftirqd/010:08:520
18905992822,4cyclictest9-21ksoftirqd/009:19:090
18905992822,4cyclictest9-21ksoftirqd/007:22:270
136591280,8ptp4l401ktimersoftd/309:30:313
136591280,0ptp4l401ktimersoftd/311:57:343
136591280,0ptp4l401ktimersoftd/308:51:263
18908992722,3cyclictest41-21ksoftirqd/311:43:133
18908992722,3cyclictest41-21ksoftirqd/311:30:133
18908992721,4cyclictest41-21ksoftirqd/312:26:143
18906992722,3cyclictest25-21ksoftirqd/109:15:271
18906992721,4cyclictest25-21ksoftirqd/108:39:101
18906992721,4cyclictest25-21ksoftirqd/108:02:121
18905992722,3cyclictest9-21ksoftirqd/012:35:590
18905992722,3cyclictest9-21ksoftirqd/012:15:110
18905992722,3cyclictest9-21ksoftirqd/010:00:570
18905992721,4cyclictest9-21ksoftirqd/008:04:390
18908992621,3cyclictest41-21ksoftirqd/312:02:133
18908992621,3cyclictest41-21ksoftirqd/310:48:373
1890699262,5cyclictest25-21ksoftirqd/110:39:211
18906992624,1cyclictest231rcuc/107:51:331
18906992620,4cyclictest25-21ksoftirqd/112:28:091
18906992620,4cyclictest25-21ksoftirqd/112:14:491
18906992620,4cyclictest25-21ksoftirqd/111:23:051
18905992621,3cyclictest9-21ksoftirqd/008:59:000
18905992621,3cyclictest9-21ksoftirqd/008:59:000
18908992520,3cyclictest41-21ksoftirqd/308:25:073
18908992519,4cyclictest41-21ksoftirqd/307:38:303
18906992523,1cyclictest231rcuc/109:51:071
18906992522,2cyclictest25-21ksoftirqd/109:30:191
18906992521,3cyclictest25-21ksoftirqd/111:30:001
18906992521,3cyclictest25-21ksoftirqd/109:45:231
18906992521,2cyclictest25-21ksoftirqd/110:05:201
18906992520,3cyclictest25-21ksoftirqd/112:16:371
18906992520,3cyclictest25-21ksoftirqd/110:15:471
18906992519,4cyclictest25-21ksoftirqd/112:24:201
18906992519,4cyclictest25-21ksoftirqd/107:26:091
18905992520,3cyclictest9-21ksoftirqd/009:38:180
18905992520,3cyclictest9-21ksoftirqd/009:09:570
18905992520,3cyclictest9-21ksoftirqd/007:31:190
18905992519,3cyclictest9-21ksoftirqd/007:50:090
18908992420,2cyclictest41-21ksoftirqd/307:28:513
18905992418,4cyclictest9-21ksoftirqd/008:46:390
18905992418,4cyclictest9-21ksoftirqd/008:38:370
136591240,1ptp4l401ktimersoftd/312:17:463
136591240,0ptp4l401ktimersoftd/311:00:283
293012230,4sleep10-21swapper/112:00:171
1890699234,5cyclictest25-21ksoftirqd/108:10:231
136591230,0ptp4l401ktimersoftd/307:22:003
1890699224,8cyclictest25-21ksoftirqd/111:55:291
18905992217,3cyclictest9-21ksoftirqd/010:45:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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