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2025-12-20 - 17:11
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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 Sat Dec 20, 2025 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
316202233168,21sleep30-21swapper/307:06:323
319042225158,22sleep00-21swapper/007:09:310
318242201168,22sleep20-21swapper/207:08:282
316492200169,20sleep10-21swapper/107:06:551
1828521690,7sleep23224299cyclictest12:15:282
262642620,3sleep026267-21cpuspeed_turbos08:05:140
262642620,3sleep026267-21cpuspeed_turbos08:05:140
226382620,2sleep20-21swapper/210:10:242
312612590,7sleep03224099cyclictest09:20:280
139391570,1ptp4l391rcuc/309:40:293
32241994337,3cyclictest12652-21cron11:00:001
139391430,0ptp4l401ktimersoftd/310:37:173
139391420,1ptp4l401ktimersoftd/309:19:123
139391420,0ptp4l401ktimersoftd/309:13:263
32242994035,3cyclictest33-21ksoftirqd/208:45:012
57898370,7rtkit-daemon0-21swapper/010:55:230
32243993732,3cyclictest2258-21egrep07:15:133
32242993731,4cyclictest33-21ksoftirqd/208:29:472
32242993730,5cyclictest33-21ksoftirqd/212:12:112
32240993732,3cyclictest9-21ksoftirqd/010:00:000
32243993630,4cyclictest41-21ksoftirqd/312:34:513
32243993630,4cyclictest41-21ksoftirqd/308:30:153
32243993630,4cyclictest41-21ksoftirqd/307:59:023
32242993630,4cyclictest33-21ksoftirqd/211:48:282
32242993630,3cyclictest33-21ksoftirqd/210:35:242
32241993631,3cyclictest25-21ksoftirqd/107:40:011
32240993631,3cyclictest9-21ksoftirqd/008:44:490
32240993621,6cyclictest9-21ksoftirqd/009:46:350
139391360,0ptp4l401ktimersoftd/309:55:303
32243993529,4cyclictest41-21ksoftirqd/310:59:313
32242993529,4cyclictest33-21ksoftirqd/211:33:002
32242993529,4cyclictest33-21ksoftirqd/211:14:512
32242993529,4cyclictest33-21ksoftirqd/209:12:112
32242993529,4cyclictest33-21ksoftirqd/208:31:192
32242993529,4cyclictest33-21ksoftirqd/208:22:572
32242993529,4cyclictest33-21ksoftirqd/207:16:022
32241993530,3cyclictest16391-21cron12:15:001
32241993529,4cyclictest25-21ksoftirqd/110:41:561
32241993529,4cyclictest25-21ksoftirqd/108:59:351
32240993529,4cyclictest9-21ksoftirqd/012:10:090
32240993529,4cyclictest9-21ksoftirqd/011:59:000
32240993529,4cyclictest9-21ksoftirqd/009:28:220
32243993429,3cyclictest41-21ksoftirqd/310:50:133
32243993429,3cyclictest41-21ksoftirqd/310:45:113
32243993428,4cyclictest41-21ksoftirqd/310:42:133
32243993428,4cyclictest41-21ksoftirqd/310:08:163
32243993428,4cyclictest41-21ksoftirqd/308:59:083
32243993428,4cyclictest41-21ksoftirqd/307:45:073
32243993427,4cyclictest41-21ksoftirqd/308:37:593
32243993427,4cyclictest41-21ksoftirqd/308:37:593
32242993429,3cyclictest33-21ksoftirqd/211:19:172
32242993429,3cyclictest33-21ksoftirqd/209:04:592
32242993429,3cyclictest33-21ksoftirqd/208:10:592
32242993428,4cyclictest33-21ksoftirqd/210:56:482
32242993428,4cyclictest33-21ksoftirqd/208:48:532
32242993428,4cyclictest33-21ksoftirqd/207:38:402
32242993428,4cyclictest33-21ksoftirqd/207:28:292
32241993429,3cyclictest25-21ksoftirqd/112:35:141
32241993429,3cyclictest25-21ksoftirqd/107:55:021
32241993428,4cyclictest25-21ksoftirqd/112:32:161
32241993428,4cyclictest25-21ksoftirqd/111:23:231
32241993428,4cyclictest25-21ksoftirqd/109:51:171
32241993428,4cyclictest25-21ksoftirqd/108:42:021
32241993428,4cyclictest25-21ksoftirqd/108:24:241
32241993428,4cyclictest25-21ksoftirqd/108:08:481
32241993428,4cyclictest25-21ksoftirqd/108:08:481
32241993428,4cyclictest25-21ksoftirqd/107:50:311
32240993429,3cyclictest9-21ksoftirqd/012:20:150
32240993428,4cyclictest9-21ksoftirqd/010:45:010
32240993428,4cyclictest9-21ksoftirqd/009:10:280
32240993428,4cyclictest9-21ksoftirqd/009:04:270
32243993328,3cyclictest41-21ksoftirqd/311:40:133
32243993327,4cyclictest41-21ksoftirqd/312:23:023
32243993327,4cyclictest41-21ksoftirqd/312:11:233
32243993327,4cyclictest41-21ksoftirqd/312:09:223
32243993327,4cyclictest41-21ksoftirqd/311:48:483
32243993327,4cyclictest41-21ksoftirqd/311:29:353
32243993327,4cyclictest41-21ksoftirqd/310:26:463
32243993327,4cyclictest41-21ksoftirqd/309:49:383
32243993327,4cyclictest41-21ksoftirqd/309:02:543
32243993327,4cyclictest41-21ksoftirqd/307:40:463
32243993327,4cyclictest41-21ksoftirqd/307:30:153
32242993328,3cyclictest33-21ksoftirqd/208:00:132
32242993327,4cyclictest33-21ksoftirqd/212:06:012
32242993327,4cyclictest33-21ksoftirqd/212:00:072
32242993327,4cyclictest33-21ksoftirqd/211:09:562
32242993327,4cyclictest33-21ksoftirqd/209:56:082
32242993327,4cyclictest33-21ksoftirqd/207:54:332
32242993327,4cyclictest33-21ksoftirqd/207:44:182
32241993327,4cyclictest25-21ksoftirqd/112:25:141
32241993327,4cyclictest25-21ksoftirqd/111:58:261
32241993327,4cyclictest25-21ksoftirqd/110:45:441
32241993327,4cyclictest25-21ksoftirqd/110:22:581
32241993327,4cyclictest25-21ksoftirqd/110:19:171
32241993327,4cyclictest25-21ksoftirqd/109:36:251
32241993327,4cyclictest25-21ksoftirqd/109:36:251
32241993327,4cyclictest25-21ksoftirqd/108:14:541
32241993327,4cyclictest25-21ksoftirqd/107:19:141
32241993327,4cyclictest25-21ksoftirqd/107:11:271
32240993328,3cyclictest9-21ksoftirqd/011:22:590
32240993328,3cyclictest9-21ksoftirqd/010:02:270
32240993327,4cyclictest9-21ksoftirqd/011:08:020
32240993327,4cyclictest9-21ksoftirqd/010:11:220
32240993327,4cyclictest9-21ksoftirqd/008:51:190
32240993327,4cyclictest9-21ksoftirqd/008:18:540
32240993327,4cyclictest9-21ksoftirqd/007:51:220
32240993327,4cyclictest9-21ksoftirqd/007:33:370
32240993326,5cyclictest9-21ksoftirqd/012:40:000
139391330,0ptp4l401ktimersoftd/310:32:083
139391330,0ptp4l401ktimersoftd/310:32:083
139391330,0ptp4l401ktimersoftd/308:00:283
32242993226,4cyclictest33-21ksoftirqd/212:22:212
32242993226,4cyclictest33-21ksoftirqd/211:28:312
32242993226,4cyclictest33-21ksoftirqd/210:52:202
32242993226,4cyclictest33-21ksoftirqd/209:26:512
32242993226,4cyclictest33-21ksoftirqd/209:24:112
32242993226,4cyclictest33-21ksoftirqd/208:35:562
32242993226,4cyclictest33-21ksoftirqd/208:35:562
32242993226,4cyclictest33-21ksoftirqd/208:19:522
32242993226,4cyclictest33-21ksoftirqd/208:06:562
32242993226,4cyclictest33-21ksoftirqd/208:06:552
32241993227,3cyclictest25-21ksoftirqd/112:05:071
32241993226,4cyclictest25-21ksoftirqd/111:54:011
32241993226,4cyclictest25-21ksoftirqd/110:31:171
32241993226,4cyclictest25-21ksoftirqd/110:31:171
32241993226,4cyclictest25-21ksoftirqd/109:56:031
32240993226,4cyclictest9-21ksoftirqd/011:16:290
32240993226,4cyclictest9-21ksoftirqd/010:31:320
32240993226,4cyclictest9-21ksoftirqd/010:31:310
32240993226,4cyclictest9-21ksoftirqd/008:34:420
32240993226,4cyclictest9-21ksoftirqd/008:28:490
32240993226,4cyclictest9-21ksoftirqd/008:02:290
32240993226,4cyclictest9-21ksoftirqd/007:49:490
32240993226,4cyclictest9-21ksoftirqd/007:28:590
32240993226,4cyclictest9-21ksoftirqd/007:21:410
32240993225,4cyclictest9-21ksoftirqd/011:35:020
139391320,0ptp4l401ktimersoftd/311:35:233
139391320,0ptp4l401ktimersoftd/311:10:453
139391320,0ptp4l401ktimersoftd/308:05:213
139391320,0ptp4l401ktimersoftd/308:05:213
32243993126,3cyclictest41-21ksoftirqd/311:55:353
32243993126,3cyclictest41-21ksoftirqd/310:18:223
32243993126,3cyclictest41-21ksoftirqd/309:26:243
32243993125,4cyclictest41-21ksoftirqd/311:18:323
32243993125,4cyclictest41-21ksoftirqd/309:52:233
32243993125,4cyclictest41-21ksoftirqd/309:21:223
32243993125,4cyclictest41-21ksoftirqd/308:52:243
32242993126,3cyclictest33-21ksoftirqd/211:51:082
32242993126,3cyclictest33-21ksoftirqd/211:23:272
32242993126,3cyclictest33-21ksoftirqd/210:18:222
32242993125,4cyclictest33-21ksoftirqd/211:02:302
32242993125,4cyclictest33-21ksoftirqd/210:20:552
32242993125,4cyclictest33-21ksoftirqd/209:46:292
32242993125,4cyclictest33-21ksoftirqd/209:17:372
32241993126,3cyclictest25-21ksoftirqd/110:50:301
32241993126,3cyclictest25-21ksoftirqd/108:15:051
32241993125,4cyclictest25-21ksoftirqd/111:46:141
32241993125,4cyclictest25-21ksoftirqd/109:48:161
32241993125,4cyclictest25-21ksoftirqd/109:32:441
32241993125,4cyclictest25-21ksoftirqd/109:06:211
32241993125,4cyclictest25-21ksoftirqd/108:49:551
32240993126,3cyclictest9-21ksoftirqd/010:36:480
32240993126,3cyclictest9-21ksoftirqd/008:40:000
32240993126,3cyclictest9-21ksoftirqd/008:39:590
32240993126,3cyclictest9-21ksoftirqd/007:13:120
32240993125,4cyclictest9-21ksoftirqd/012:27:120
32240993125,4cyclictest9-21ksoftirqd/010:30:000
32240993125,4cyclictest9-21ksoftirqd/009:06:390
32240993125,4cyclictest9-21ksoftirqd/007:15:200
139391310,0ptp4l401ktimersoftd/311:53:113
139391310,0ptp4l401ktimersoftd/307:12:063
32243993025,3cyclictest41-21ksoftirqd/312:17:083
32243993025,3cyclictest41-21ksoftirqd/311:24:293
32243993025,3cyclictest41-21ksoftirqd/311:07:313
32243993024,4cyclictest41-21ksoftirqd/312:02:523
32243993024,4cyclictest41-21ksoftirqd/311:04:013
32243993024,4cyclictest41-21ksoftirqd/310:13:303
32243993024,4cyclictest41-21ksoftirqd/307:21:513
32242993024,4cyclictest33-21ksoftirqd/211:56:302
32242993024,4cyclictest33-21ksoftirqd/209:43:042
32242993024,4cyclictest33-21ksoftirqd/209:32:332
32241993025,3cyclictest25-21ksoftirqd/111:15:121
32241993025,3cyclictest25-21ksoftirqd/108:02:341
32241993024,4cyclictest25-21ksoftirqd/111:42:491
32241993024,4cyclictest25-21ksoftirqd/110:14:001
32241993024,4cyclictest25-21ksoftirqd/108:53:281
32240993025,3cyclictest9-21ksoftirqd/010:16:170
32240993025,3cyclictest9-21ksoftirqd/008:22:300
32240993025,3cyclictest9-21ksoftirqd/008:14:450
32240993024,4cyclictest9-21ksoftirqd/011:01:480
32240993024,4cyclictest9-21ksoftirqd/007:35:090
139391300,0ptp4l401ktimersoftd/312:25:063
139391300,0ptp4l401ktimersoftd/310:21:253
139391300,0ptp4l401ktimersoftd/309:39:193
139391300,0ptp4l401ktimersoftd/309:39:193
139391300,0ptp4l401ktimersoftd/308:20:303
32243992924,3cyclictest41-21ksoftirqd/307:36:533
32243992923,4cyclictest41-21ksoftirqd/307:50:373
32242992924,3cyclictest33-21ksoftirqd/212:35:092
32242992924,3cyclictest33-21ksoftirqd/212:34:172
32242992924,3cyclictest33-21ksoftirqd/211:40:582
32242992924,3cyclictest33-21ksoftirqd/210:49:542
32242992923,4cyclictest33-21ksoftirqd/208:56:552
32242992923,4cyclictest33-21ksoftirqd/207:57:262
32241992924,3cyclictest25-21ksoftirqd/110:35:121
32241992924,3cyclictest25-21ksoftirqd/110:28:271
32241992923,4cyclictest25-21ksoftirqd/107:21:461
32240992924,3cyclictest9-21ksoftirqd/012:16:380
32240992924,3cyclictest9-21ksoftirqd/011:12:230
32240992924,3cyclictest9-21ksoftirqd/010:49:410
32240992923,4cyclictest9-21ksoftirqd/012:31:580
32240992923,4cyclictest9-21ksoftirqd/009:30:590
139391290,0ptp4l401ktimersoftd/310:04:103
32243992823,3cyclictest41-21ksoftirqd/312:39:303
32243992822,4cyclictest41-21ksoftirqd/311:31:153
32242992823,3cyclictest33-21ksoftirqd/207:14:412
32242992822,4cyclictest33-21ksoftirqd/208:54:142
32242992822,3cyclictest33-21ksoftirqd/210:05:522
32241992823,3cyclictest25-21ksoftirqd/112:04:561
32241992823,3cyclictest25-21ksoftirqd/111:29:171
32241992823,3cyclictest25-21ksoftirqd/109:43:401
32241992823,3cyclictest25-21ksoftirqd/109:24:281
32241992823,3cyclictest25-21ksoftirqd/107:49:531
32241992822,4cyclictest25-21ksoftirqd/108:29:291
32241992821,5cyclictest25-21ksoftirqd/111:37:391
32240992823,3cyclictest9-21ksoftirqd/010:06:480
32240992823,3cyclictest9-21ksoftirqd/007:44:160
32240992822,4cyclictest9-21ksoftirqd/009:51:410
139391280,0ptp4l401ktimersoftd/309:33:273
139391280,0ptp4l401ktimersoftd/309:06:253
139391280,0ptp4l401ktimersoftd/308:28:263
32243992722,3cyclictest41-21ksoftirqd/308:14:583
32242992722,3cyclictest33-21ksoftirqd/207:45:062
32242992721,4cyclictest33-21ksoftirqd/210:34:062
32242992721,4cyclictest33-21ksoftirqd/210:34:062
32242992721,4cyclictest33-21ksoftirqd/210:00:042
32242992721,4cyclictest33-21ksoftirqd/209:36:412
32242992721,4cyclictest33-21ksoftirqd/209:36:412
32242992721,4cyclictest33-21ksoftirqd/207:30:542
32241992722,3cyclictest25-21ksoftirqd/111:01:331
32241992722,3cyclictest25-21ksoftirqd/109:16:361
32241992722,3cyclictest25-21ksoftirqd/109:01:471
32241992722,3cyclictest25-21ksoftirqd/108:40:001
32241992722,3cyclictest25-21ksoftirqd/108:40:001
32240992722,3cyclictest9-21ksoftirqd/007:59:440
32240992721,4cyclictest9-21ksoftirqd/012:05:340
32240992721,4cyclictest9-21ksoftirqd/010:21:370
32242992621,3cyclictest33-21ksoftirqd/211:39:422
32242992620,4cyclictest33-21ksoftirqd/212:26:582
32241992621,3cyclictest25-21ksoftirqd/110:01:311
32241992620,4cyclictest25-21ksoftirqd/112:20:521
32240992621,3cyclictest9-21ksoftirqd/011:44:290
32240992620,4cyclictest9-21ksoftirqd/012:04:020
32240992620,4cyclictest9-21ksoftirqd/011:48:340
32240992620,4cyclictest9-21ksoftirqd/009:36:150
32240992620,4cyclictest9-21ksoftirqd/009:36:150
32240992620,4cyclictest9-21ksoftirqd/008:58:050
139391260,0ptp4l401ktimersoftd/308:40:203
32242992520,3cyclictest33-21ksoftirqd/210:26:512
32242992519,4cyclictest33-21ksoftirqd/210:40:572
32242992519,4cyclictest33-21ksoftirqd/209:52:192
32241992520,3cyclictest25-21ksoftirqd/109:27:221
32241992520,3cyclictest25-21ksoftirqd/107:29:331
32241992518,5cyclictest25-21ksoftirqd/107:32:211
32240992520,3cyclictest9-21ksoftirqd/009:44:060
32240992519,4cyclictest9-21ksoftirqd/011:28:450
32240992519,3cyclictest9-21ksoftirqd/008:48:320
57898240,2rtkit-daemon0-21swapper/308:17:053
32243992419,3cyclictest41-21ksoftirqd/307:25:173
32241992419,3cyclictest25-21ksoftirqd/111:33:421
32241992419,3cyclictest25-21ksoftirqd/108:31:171
32241992419,3cyclictest25-21ksoftirqd/107:42:321
32241992418,4cyclictest25-21ksoftirqd/111:08:401
32241992418,4cyclictest25-21ksoftirqd/109:11:301
32240992419,3cyclictest9-21ksoftirqd/011:33:160
32240992419,3cyclictest9-21ksoftirqd/010:50:420
32242992317,4cyclictest33-21ksoftirqd/207:24:002
32241992318,3cyclictest25-21ksoftirqd/112:15:121
32240992318,3cyclictest9-21ksoftirqd/011:54:540
139391230,0ptp4l401ktimersoftd/308:45:123
32241992217,3cyclictest25-21ksoftirqd/110:06:021
32240992217,3cyclictest9-21ksoftirqd/009:20:010
3224299211,11cyclictest22857-21df_inode09:05:152
32241992014,3cyclictest18374-21sed11:10:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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