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2025-12-21 - 00:36
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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 Sat Dec 20, 2025 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591236169,22phc2sys0-21swapper/307:08:163
264142208175,22sleep20-21swapper/207:09:022
261482206173,22sleep00-21swapper/007:05:350
261742205172,22sleep10-21swapper/107:05:551
171372860,1sleep20-21swapper/210:10:212
26789996330,3cyclictest25-21ksoftirqd/109:55:281
26789996131,4cyclictest25-21ksoftirqd/109:04:591
26789995931,7cyclictest25-21ksoftirqd/108:50:181
297012570,5sleep329703-21awk08:20:263
26789995727,4cyclictest25-21ksoftirqd/112:15:251
26789995727,10cyclictest25-21ksoftirqd/107:39:591
26789995627,4cyclictest25-21ksoftirqd/111:10:281
26789995522,8cyclictest25-21ksoftirqd/111:00:001
26789995521,4cyclictest25-21ksoftirqd/111:55:001
139291550,1ptp4l401ktimersoftd/310:17:243
26789995421,3cyclictest25-21ksoftirqd/110:15:291
26789995419,4cyclictest25-21ksoftirqd/108:25:241
26789995413,7cyclictest25-21ksoftirqd/108:45:271
26789995413,7cyclictest25-21ksoftirqd/108:30:271
139291540,1ptp4l401ktimersoftd/307:25:263
75122530,3sleep10-21swapper/112:05:171
26789995325,3cyclictest25-21ksoftirqd/107:30:301
26789995324,3cyclictest25-21ksoftirqd/112:25:181
26789995320,9cyclictest25-21ksoftirqd/107:55:011
26789995320,9cyclictest25-21ksoftirqd/107:55:001
26789995320,8cyclictest25-21ksoftirqd/107:45:171
26789995319,3cyclictest25-21ksoftirqd/108:00:191
26789995317,4cyclictest25-21ksoftirqd/107:10:171
26789995316,7cyclictest25-21ksoftirqd/111:20:171
26789995312,9cyclictest25-21ksoftirqd/108:55:261
139291530,1ptp4l401ktimersoftd/308:19:533
2678999527,9cyclictest25-21ksoftirqd/109:20:281
26789995225,7cyclictest25-21ksoftirqd/107:40:251
26789995222,4cyclictest25-21ksoftirqd/112:00:171
26789995221,4cyclictest25-21ksoftirqd/110:40:161
26789995219,3cyclictest25-21ksoftirqd/108:35:201
26789995218,4cyclictest25-21ksoftirqd/110:10:251
26789995216,8cyclictest25-21ksoftirqd/111:25:271
26789995213,8cyclictest25-21ksoftirqd/110:20:241
26789995211,7cyclictest25-21ksoftirqd/110:45:261
26789995211,10cyclictest25-21ksoftirqd/107:20:221
26789995210,8cyclictest25-21ksoftirqd/111:55:171
26789995124,4cyclictest25-21ksoftirqd/111:40:191
26789995122,4cyclictest25-21ksoftirqd/112:30:271
26789995122,3cyclictest25-21ksoftirqd/109:51:011
26789995121,3cyclictest25-21ksoftirqd/110:05:181
26789995118,4cyclictest25-21ksoftirqd/111:00:301
26789995116,8cyclictest25-21ksoftirqd/109:25:231
26789995115,4cyclictest25-21ksoftirqd/111:05:251
26789995115,4cyclictest25-21ksoftirqd/109:40:311
26789995113,10cyclictest25-21ksoftirqd/108:20:181
26789995112,7cyclictest25-21ksoftirqd/108:10:011
26789995111,7cyclictest25-21ksoftirqd/110:00:191
1395915135,9phc2sys0-21swapper/307:10:003
26789995023,6cyclictest25-21ksoftirqd/110:35:171
26789995023,6cyclictest25-21ksoftirqd/109:45:231
26789995023,4cyclictest25-21ksoftirqd/111:15:181
26789995023,4cyclictest25-21ksoftirqd/111:15:171
26789995018,6cyclictest25-21ksoftirqd/111:30:181
26789995017,7cyclictest25-21ksoftirqd/110:30:171
26789995017,7cyclictest25-21ksoftirqd/107:15:171
26789995016,7cyclictest25-21ksoftirqd/108:05:211
26789995015,8cyclictest25-21ksoftirqd/112:10:241
2678999501,3cyclictest25-21ksoftirqd/109:40:001
26789995012,7cyclictest25-21ksoftirqd/112:35:251
26789994916,7cyclictest25-21ksoftirqd/109:15:231
26789994915,4cyclictest25-21ksoftirqd/108:40:231
26789994913,5cyclictest25-21ksoftirqd/112:20:181
26789994913,5cyclictest25-21ksoftirqd/112:20:181
26789994913,10cyclictest25-21ksoftirqd/111:45:181
26789994913,10cyclictest25-21ksoftirqd/111:45:181
280402480,2sleep00-21swapper/009:25:230
26789994821,7cyclictest25-21ksoftirqd/110:50:271
26789994820,4cyclictest25-21ksoftirqd/107:28:531
26789994819,8cyclictest25-21ksoftirqd/109:10:261
26789994817,6cyclictest25-21ksoftirqd/110:25:231
2678999475,7cyclictest25-21ksoftirqd/109:30:261
26789994617,8cyclictest25-21ksoftirqd/109:05:231
26789994615,6cyclictest25-21ksoftirqd/108:15:191
2678999447,4cyclictest25-21ksoftirqd/111:35:441
2678999440,2cyclictest25-21ksoftirqd/107:55:251
139291430,0ptp4l401ktimersoftd/309:59:203
139291420,0ptp4l401ktimersoftd/312:39:513
139291420,0ptp4l401ktimersoftd/310:38:353
139291420,0ptp4l401ktimersoftd/308:44:263
26790994135,3cyclictest217-21systemd-journal09:15:002
139291410,1ptp4l401ktimersoftd/311:21:473
139291410,0ptp4l401ktimersoftd/312:25:193
139291410,0ptp4l401ktimersoftd/307:33:473
139291400,0ptp4l401ktimersoftd/307:37:113
2679199390,37cyclictest8266-21fschecks_count11:00:173
26790993934,3cyclictest33-21ksoftirqd/208:39:592
26788993934,3cyclictest9-21ksoftirqd/010:00:010
26791993832,4cyclictest41-21ksoftirqd/308:55:123
26791993732,3cyclictest41-21ksoftirqd/311:08:093
26791993731,4cyclictest41-21ksoftirqd/307:48:053
26788993731,4cyclictest9-21ksoftirqd/011:02:500
26791993631,3cyclictest41-21ksoftirqd/312:08:233
26791993631,3cyclictest41-21ksoftirqd/308:39:293
26791993630,4cyclictest41-21ksoftirqd/312:16:473
26791993630,4cyclictest41-21ksoftirqd/309:15:583
26791993630,4cyclictest41-21ksoftirqd/308:32:313
26791993630,4cyclictest41-21ksoftirqd/307:58:213
26791993630,4cyclictest41-21ksoftirqd/307:44:593
26790993631,3cyclictest33-21ksoftirqd/212:38:282
26790993631,3cyclictest33-21ksoftirqd/211:46:092
26790993631,3cyclictest33-21ksoftirqd/211:46:092
26790993631,3cyclictest33-21ksoftirqd/211:25:132
26790993631,3cyclictest33-21ksoftirqd/208:24:542
26790993630,4cyclictest33-21ksoftirqd/212:27:252
26790993630,4cyclictest33-21ksoftirqd/211:38:512
26790993630,4cyclictest33-21ksoftirqd/208:40:352
26790993630,4cyclictest33-21ksoftirqd/208:30:082
26788993631,3cyclictest9-21ksoftirqd/010:45:000
26788993630,4cyclictest9-21ksoftirqd/012:30:040
26788993630,4cyclictest9-21ksoftirqd/010:02:260
26788993629,4cyclictest9-21ksoftirqd/009:03:590
26791993530,3cyclictest41-21ksoftirqd/310:54:473
26791993529,4cyclictest41-21ksoftirqd/311:53:123
26791993529,4cyclictest41-21ksoftirqd/311:31:013
26791993529,4cyclictest41-21ksoftirqd/311:16:573
26791993529,4cyclictest41-21ksoftirqd/311:16:573
26791993529,4cyclictest41-21ksoftirqd/310:08:463
26791993529,4cyclictest41-21ksoftirqd/309:48:363
26791993529,4cyclictest41-21ksoftirqd/308:11:403
26790993530,3cyclictest33-21ksoftirqd/212:19:402
26790993530,3cyclictest33-21ksoftirqd/212:00:482
26790993530,3cyclictest33-21ksoftirqd/209:32:532
26790993530,3cyclictest33-21ksoftirqd/208:00:042
26790993529,4cyclictest33-21ksoftirqd/211:23:262
26790993529,4cyclictest33-21ksoftirqd/211:10:062
26788993530,3cyclictest9-21ksoftirqd/008:23:590
26788993529,4cyclictest9-21ksoftirqd/012:38:140
26788993529,4cyclictest9-21ksoftirqd/011:34:190
26788993529,4cyclictest9-21ksoftirqd/011:19:390
26788993529,4cyclictest9-21ksoftirqd/011:19:390
26788993529,4cyclictest9-21ksoftirqd/010:28:560
26788993529,4cyclictest9-21ksoftirqd/009:48:170
26788993529,4cyclictest9-21ksoftirqd/008:09:000
139291350,12ptp4l401ktimersoftd/312:10:123
139291350,0ptp4l401ktimersoftd/310:25:203
26791993429,3cyclictest41-21ksoftirqd/309:14:593
26791993428,4cyclictest41-21ksoftirqd/312:20:163
26791993428,4cyclictest41-21ksoftirqd/312:20:163
26791993428,4cyclictest41-21ksoftirqd/310:41:103
26791993428,4cyclictest41-21ksoftirqd/308:49:103
26791993427,5cyclictest41-21ksoftirqd/312:04:093
26790993428,4cyclictest33-21ksoftirqd/211:05:452
26790993428,4cyclictest33-21ksoftirqd/209:25:372
26790993428,4cyclictest33-21ksoftirqd/208:45:572
26790993428,4cyclictest33-21ksoftirqd/208:11:402
26790993428,4cyclictest33-21ksoftirqd/207:33:032
26788993430,3cyclictest9-21ksoftirqd/009:15:180
26788993429,3cyclictest9-21ksoftirqd/011:25:150
26788993429,3cyclictest9-21ksoftirqd/011:25:000
26788993429,3cyclictest9-21ksoftirqd/011:00:020
26788993429,3cyclictest9-21ksoftirqd/007:50:130
26788993429,3cyclictest9-21ksoftirqd/007:50:120
26788993428,4cyclictest9-21ksoftirqd/011:51:000
26788993428,4cyclictest9-21ksoftirqd/011:46:590
26788993428,4cyclictest9-21ksoftirqd/011:46:590
26788993428,4cyclictest9-21ksoftirqd/011:37:360
26788993428,4cyclictest9-21ksoftirqd/011:14:380
26788993428,4cyclictest9-21ksoftirqd/011:06:310
26788993428,4cyclictest9-21ksoftirqd/010:34:350
26788993428,4cyclictest9-21ksoftirqd/010:05:500
26788993428,4cyclictest9-21ksoftirqd/008:10:530
26788993428,4cyclictest9-21ksoftirqd/008:03:060
26791993328,3cyclictest41-21ksoftirqd/312:31:483
26791993328,3cyclictest41-21ksoftirqd/308:06:423
26791993327,4cyclictest41-21ksoftirqd/310:01:033
26791993327,4cyclictest41-21ksoftirqd/309:23:323
26791993327,4cyclictest41-21ksoftirqd/308:53:123
26790993328,3cyclictest33-21ksoftirqd/211:51:002
26790993328,3cyclictest33-21ksoftirqd/210:46:462
26790993327,4cyclictest33-21ksoftirqd/210:44:552
26790993327,4cyclictest33-21ksoftirqd/209:43:012
26790993327,4cyclictest33-21ksoftirqd/208:57:492
26790993327,4cyclictest33-21ksoftirqd/208:19:102
26790993327,4cyclictest33-21ksoftirqd/207:27:502
26790993327,3cyclictest33-21ksoftirqd/209:38:072
26790993326,5cyclictest33-21ksoftirqd/208:07:502
26788993328,3cyclictest9-21ksoftirqd/010:35:200
26788993328,3cyclictest9-21ksoftirqd/009:33:010
26788993327,4cyclictest9-21ksoftirqd/012:00:000
26788993327,4cyclictest9-21ksoftirqd/009:35:530
26788993327,4cyclictest9-21ksoftirqd/009:12:180
26788993327,4cyclictest9-21ksoftirqd/007:56:360
26788993327,4cyclictest9-21ksoftirqd/007:34:340
26788993327,4cyclictest9-21ksoftirqd/007:15:410
26791993228,2cyclictest41-21ksoftirqd/310:10:143
26791993227,3cyclictest41-21ksoftirqd/311:35:133
26791993227,3cyclictest41-21ksoftirqd/310:55:553
26791993227,3cyclictest41-21ksoftirqd/310:22:143
26791993227,3cyclictest41-21ksoftirqd/308:01:393
26791993226,4cyclictest41-21ksoftirqd/309:38:263
26790993227,3cyclictest33-21ksoftirqd/207:49:342
26790993227,3cyclictest26735-21idleruntime-cro09:25:012
26790993226,4cyclictest33-21ksoftirqd/211:16:362
26790993226,4cyclictest33-21ksoftirqd/211:16:362
26790993226,4cyclictest33-21ksoftirqd/211:03:532
26790993226,4cyclictest33-21ksoftirqd/209:51:192
26790993226,4cyclictest33-21ksoftirqd/207:57:062
26788993228,3cyclictest9-21ksoftirqd/010:50:200
26788993227,3cyclictest9-21ksoftirqd/010:45:250
26788993227,3cyclictest9-21ksoftirqd/010:24:430
26788993227,3cyclictest9-21ksoftirqd/008:41:340
26788993227,3cyclictest9-21ksoftirqd/007:27:240
26788993226,4cyclictest9-21ksoftirqd/009:22:210
26788993226,4cyclictest9-21ksoftirqd/008:50:490
26788993226,4cyclictest9-21ksoftirqd/007:24:390
139291320,0ptp4l401ktimersoftd/311:13:463
26791993126,3cyclictest41-21ksoftirqd/311:41:213
26791993126,3cyclictest41-21ksoftirqd/309:33:323
26791993126,3cyclictest41-21ksoftirqd/308:26:183
26791993125,4cyclictest41-21ksoftirqd/311:25:323
26791993125,4cyclictest41-21ksoftirqd/309:41:393
26790993126,3cyclictest33-21ksoftirqd/212:05:102
26790993126,3cyclictest33-21ksoftirqd/211:30:572
26790993126,3cyclictest33-21ksoftirqd/207:52:422
26790993126,3cyclictest33-21ksoftirqd/207:52:422
26790993125,4cyclictest33-21ksoftirqd/209:45:142
26790993125,4cyclictest33-21ksoftirqd/209:09:192
26790993125,4cyclictest33-21ksoftirqd/209:04:342
26790993125,4cyclictest33-21ksoftirqd/207:15:472
26788993128,2cyclictest9-21ksoftirqd/012:05:170
26788993127,3cyclictest9-21ksoftirqd/009:05:190
26788993126,3cyclictest9-21ksoftirqd/012:00:110
26788993126,3cyclictest9-21ksoftirqd/008:28:540
26788993125,4cyclictest9-21ksoftirqd/008:58:470
26788993125,4cyclictest9-21ksoftirqd/007:42:010
26788993125,4cyclictest9-21ksoftirqd/007:12:440
26788993125,3cyclictest9-21ksoftirqd/007:35:200
139291310,10ptp4l0-21swapper/309:04:453
139291310,0ptp4l401ktimersoftd/310:30:143
26791993025,3cyclictest41-21ksoftirqd/307:51:273
26791993025,3cyclictest41-21ksoftirqd/307:51:273
26791993024,4cyclictest41-21ksoftirqd/309:29:583
26790993025,3cyclictest33-21ksoftirqd/210:38:412
26790993025,3cyclictest33-21ksoftirqd/208:54:482
26790993024,4cyclictest33-21ksoftirqd/211:44:562
26790993024,4cyclictest33-21ksoftirqd/210:03:432
26790993024,4cyclictest33-21ksoftirqd/207:42:312
26790993024,4cyclictest33-21ksoftirqd/207:20:322
26788993025,3cyclictest9-21ksoftirqd/010:10:180
26788993025,3cyclictest9-21ksoftirqd/009:42:590
26788993025,3cyclictest9-21ksoftirqd/008:32:310
26788993025,3cyclictest9-21ksoftirqd/008:20:010
26788993024,4cyclictest9-21ksoftirqd/012:19:450
26788993024,4cyclictest9-21ksoftirqd/008:46:430
26788993024,4cyclictest9-21ksoftirqd/007:48:430
26788993024,3cyclictest9-21ksoftirqd/012:20:360
26788993024,3cyclictest9-21ksoftirqd/012:20:360
139291300,0ptp4l401ktimersoftd/311:55:183
26791992924,3cyclictest41-21ksoftirqd/309:08:513
26791992924,3cyclictest41-21ksoftirqd/307:20:213
26790992924,3cyclictest33-21ksoftirqd/210:31:502
26790992924,3cyclictest33-21ksoftirqd/207:35:342
26790992923,4cyclictest33-21ksoftirqd/210:24:012
26788992925,3cyclictest9-21ksoftirqd/008:40:000
26788992924,3cyclictest9-21ksoftirqd/009:52:300
139291290,0ptp4l401ktimersoftd/310:47:173
26790992823,3cyclictest33-21ksoftirqd/210:15:222
26790992823,3cyclictest33-21ksoftirqd/209:55:122
26790992822,4cyclictest33-21ksoftirqd/208:26:072
26790992822,3cyclictest33-21ksoftirqd/211:56:382
26788992823,3cyclictest9-21ksoftirqd/010:15:200
26788992822,4cyclictest9-21ksoftirqd/012:28:590
26791992723,3cyclictest41-21ksoftirqd/309:54:093
26791992722,3cyclictest41-21ksoftirqd/311:47:233
26791992722,3cyclictest41-21ksoftirqd/311:47:233
26791992722,3cyclictest41-21ksoftirqd/307:16:463
2679099274,21cyclictest6832-21kworker/2:207:12:162
26790992722,3cyclictest33-21ksoftirqd/212:32:572
26790992721,4cyclictest33-21ksoftirqd/212:22:152
26790992721,4cyclictest33-21ksoftirqd/212:22:152
26790992721,4cyclictest33-21ksoftirqd/210:56:162
26788992722,3cyclictest9-21ksoftirqd/012:15:000
26788992722,3cyclictest9-21ksoftirqd/011:40:530
26790992621,3cyclictest33-21ksoftirqd/209:18:032
26790992619,4cyclictest33-21ksoftirqd/210:29:142
26790992319,3cyclictest33-21ksoftirqd/210:50:262
26790992216,3cyclictest33-21ksoftirqd/212:13:242
26790992115,4cyclictest33-21ksoftirqd/210:05:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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