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2026-03-11 - 17:21
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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 Wed Mar 11, 2026 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591234168,22phc2sys0-21swapper/307:07:093
112562229165,23sleep10-21swapper/107:09:281
110832207174,22sleep20-21swapper/207:07:202
111352201168,22sleep00-21swapper/007:07:550
2252921600,5sleep31159199cyclictest07:30:233
139291540,1ptp4l401ktimersoftd/312:15:193
193512530,2sleep00-21swapper/007:25:190
139291470,1ptp4l401ktimersoftd/307:35:593
139291420,1ptp4l401ktimersoftd/311:15:543
139291420,0ptp4l401ktimersoftd/310:33:353
11591994237,2cyclictest41-21ksoftirqd/309:20:003
11591994137,2cyclictest41-21ksoftirqd/311:00:003
11590994035,3cyclictest217-21systemd-journal09:20:002
1159099403,10cyclictest4470-21seq12:30:152
11588994035,3cyclictest9-21ksoftirqd/008:40:010
139291390,0ptp4l401ktimersoftd/311:35:193
11591993933,3cyclictest41-21ksoftirqd/308:55:003
139291380,0ptp4l401ktimersoftd/309:05:153
135291380,1getstats0-21swapper/307:20:003
11591993833,3cyclictest70450irq/143-enp4s0-11:43:453
11591993831,4cyclictest41-21ksoftirqd/309:03:593
11589993833,3cyclictest25-21ksoftirqd/112:20:121
41298370,1rtkit-daemon411-21rtkit-daemon11:09:022
139291370,0ptp4l401ktimersoftd/311:32:443
11591993732,3cyclictest41-21ksoftirqd/311:20:113
11591993731,4cyclictest41-21ksoftirqd/311:07:383
11591993731,4cyclictest41-21ksoftirqd/309:58:383
11591993731,4cyclictest41-21ksoftirqd/308:01:333
11591993731,4cyclictest41-21ksoftirqd/307:10:123
11591993730,4cyclictest41-21ksoftirqd/312:27:353
11590993732,3cyclictest33-21ksoftirqd/211:54:272
11590993732,3cyclictest33-21ksoftirqd/209:04:372
11590993731,4cyclictest33-21ksoftirqd/211:32:092
11590993731,4cyclictest33-21ksoftirqd/210:22:482
11590993731,3cyclictest21356-21cron12:00:002
11589993731,4cyclictest25-21ksoftirqd/108:03:241
11589993731,4cyclictest25-21ksoftirqd/107:22:441
11589993731,3cyclictest25-21ksoftirqd/107:11:591
11588993732,3cyclictest9-21ksoftirqd/009:00:000
11588993731,4cyclictest9-21ksoftirqd/008:12:280
11591993631,3cyclictest41-21ksoftirqd/310:50:113
11591993631,3cyclictest41-21ksoftirqd/309:50:013
11591993631,3cyclictest41-21ksoftirqd/307:58:203
11591993630,4cyclictest41-21ksoftirqd/310:36:373
11591993630,4cyclictest41-21ksoftirqd/308:30:373
11591993630,4cyclictest41-21ksoftirqd/308:15:443
11591993630,3cyclictest41-21ksoftirqd/308:30:003
11590993630,4cyclictest33-21ksoftirqd/212:26:002
11590993630,4cyclictest33-21ksoftirqd/212:13:532
11590993630,4cyclictest33-21ksoftirqd/212:04:222
11590993630,4cyclictest33-21ksoftirqd/211:44:522
11590993630,4cyclictest33-21ksoftirqd/211:35:502
11590993630,4cyclictest33-21ksoftirqd/211:22:022
11590993630,4cyclictest33-21ksoftirqd/209:28:242
11590993630,4cyclictest33-21ksoftirqd/208:54:472
11589993631,3cyclictest25-21ksoftirqd/108:30:591
11589993631,3cyclictest25-21ksoftirqd/108:29:381
11589993630,4cyclictest25-21ksoftirqd/112:34:581
11588993631,3cyclictest9-21ksoftirqd/010:20:090
11588993630,4cyclictest9-21ksoftirqd/007:57:040
139291350,0ptp4l401ktimersoftd/310:08:383
11591993531,2cyclictest41-21ksoftirqd/310:05:003
11591993531,2cyclictest41-21ksoftirqd/308:40:003
11591993530,3cyclictest41-21ksoftirqd/307:20:043
11591993529,4cyclictest41-21ksoftirqd/312:24:133
11591993529,4cyclictest41-21ksoftirqd/311:04:013
11591993529,4cyclictest41-21ksoftirqd/310:47:283
11591993529,4cyclictest41-21ksoftirqd/310:22:093
11591993529,4cyclictest41-21ksoftirqd/308:59:173
11591993529,3cyclictest41-21ksoftirqd/311:55:173
11590993530,3cyclictest33-21ksoftirqd/208:21:532
11590993530,3cyclictest33-21ksoftirqd/207:16:412
11590993529,4cyclictest33-21ksoftirqd/211:46:052
11590993529,4cyclictest33-21ksoftirqd/211:13:592
11590993529,4cyclictest33-21ksoftirqd/208:56:152
11589993530,3cyclictest25-21ksoftirqd/111:19:551
11589993529,4cyclictest25-21ksoftirqd/112:37:181
11589993529,4cyclictest25-21ksoftirqd/111:32:441
11589993529,4cyclictest25-21ksoftirqd/110:33:111
11589993529,4cyclictest25-21ksoftirqd/107:47:101
11588993529,4cyclictest9-21ksoftirqd/011:10:280
1158899351,2cyclictest121rcu_preempt07:24:080
11591993430,2cyclictest41-21ksoftirqd/308:24:593
11591993429,3cyclictest41-21ksoftirqd/311:50:033
11591993429,3cyclictest41-21ksoftirqd/311:26:003
11591993429,3cyclictest41-21ksoftirqd/310:40:103
11591993429,3cyclictest41-21ksoftirqd/310:15:183
11591993429,3cyclictest41-21ksoftirqd/308:40:103
11591993429,3cyclictest41-21ksoftirqd/308:07:593
11591993428,4cyclictest41-21ksoftirqd/312:39:373
11591993428,4cyclictest41-21ksoftirqd/312:12:093
11591993428,4cyclictest41-21ksoftirqd/308:47:463
11591993428,4cyclictest41-21ksoftirqd/308:14:203
11590993429,3cyclictest33-21ksoftirqd/211:02:272
11590993429,3cyclictest33-21ksoftirqd/210:56:562
11590993429,3cyclictest33-21ksoftirqd/210:42:022
11590993429,3cyclictest33-21ksoftirqd/208:14:032
11590993429,3cyclictest33-21ksoftirqd/207:31:372
11590993428,4cyclictest33-21ksoftirqd/210:46:432
11590993428,4cyclictest33-21ksoftirqd/209:52:392
11590993428,4cyclictest33-21ksoftirqd/209:24:522
11590993428,4cyclictest33-21ksoftirqd/209:14:082
11589993429,3cyclictest25-21ksoftirqd/110:14:321
11589993429,3cyclictest25-21ksoftirqd/109:42:151
11589993429,3cyclictest25-21ksoftirqd/109:34:451
11589993429,3cyclictest25-21ksoftirqd/109:34:451
11589993428,4cyclictest25-21ksoftirqd/111:54:541
11589993428,4cyclictest25-21ksoftirqd/110:57:211
11589993428,4cyclictest25-21ksoftirqd/110:05:501
11589993428,4cyclictest25-21ksoftirqd/108:49:041
11589993428,4cyclictest25-21ksoftirqd/107:51:391
11588993428,4cyclictest9-21ksoftirqd/011:52:000
11588993428,4cyclictest9-21ksoftirqd/011:24:040
11588993428,4cyclictest9-21ksoftirqd/010:54:360
11588993428,4cyclictest9-21ksoftirqd/010:32:290
11588993428,4cyclictest9-21ksoftirqd/009:32:480
11588993428,4cyclictest9-21ksoftirqd/009:32:480
11588993428,4cyclictest9-21ksoftirqd/008:53:040
11588993428,4cyclictest9-21ksoftirqd/007:43:290
11588993428,4cyclictest9-21ksoftirqd/007:15:440
11591993328,3cyclictest41-21ksoftirqd/312:02:423
11591993327,4cyclictest41-21ksoftirqd/309:11:573
11591993326,4cyclictest41-21ksoftirqd/311:10:123
11590993328,3cyclictest33-21ksoftirqd/210:36:362
11590993328,3cyclictest33-21ksoftirqd/210:15:082
11590993328,3cyclictest33-21ksoftirqd/209:39:562
11590993328,3cyclictest13756-21ls07:15:002
11590993327,4cyclictest33-21ksoftirqd/212:16:052
11590993327,4cyclictest33-21ksoftirqd/211:26:232
11590993327,4cyclictest33-21ksoftirqd/207:52:162
11590993327,4cyclictest33-21ksoftirqd/207:35:412
11590993327,4cyclictest33-21ksoftirqd/207:29:062
11590993327,4cyclictest33-21ksoftirqd/207:23:242
1158999336,26cyclictest0-21swapper/109:56:151
11589993328,3cyclictest25-21ksoftirqd/111:29:431
11589993328,3cyclictest25-21ksoftirqd/111:09:481
11589993328,3cyclictest25-21ksoftirqd/110:28:051
11589993328,3cyclictest25-21ksoftirqd/108:35:391
11589993328,3cyclictest25-21ksoftirqd/108:06:241
11589993327,4cyclictest25-21ksoftirqd/111:59:111
11589993327,4cyclictest25-21ksoftirqd/111:38:411
11589993327,4cyclictest25-21ksoftirqd/110:24:161
11589993327,4cyclictest25-21ksoftirqd/109:02:131
11589993327,4cyclictest25-21ksoftirqd/108:22:071
11589993327,4cyclictest25-21ksoftirqd/108:11:181
11588993328,3cyclictest9-21ksoftirqd/012:03:120
11588993328,3cyclictest9-21ksoftirqd/010:49:570
11588993328,3cyclictest9-21ksoftirqd/010:35:160
11588993328,3cyclictest9-21ksoftirqd/008:30:500
11588993328,3cyclictest9-21ksoftirqd/007:10:180
11588993327,4cyclictest9-21ksoftirqd/011:44:300
11588993327,4cyclictest9-21ksoftirqd/011:33:510
11588993327,4cyclictest9-21ksoftirqd/011:17:140
11588993327,4cyclictest9-21ksoftirqd/009:36:330
11588993327,4cyclictest9-21ksoftirqd/007:39:320
11591993228,2cyclictest41-21ksoftirqd/310:12:093
11591993227,3cyclictest41-21ksoftirqd/309:50:183
11591993226,4cyclictest41-21ksoftirqd/307:49:293
11590993227,3cyclictest33-21ksoftirqd/210:03:352
11590993227,3cyclictest33-21ksoftirqd/209:49:102
11590993227,3cyclictest33-21ksoftirqd/208:32:212
11590993227,3cyclictest33-21ksoftirqd/208:27:272
11590993226,4cyclictest33-21ksoftirqd/209:59:462
11590993226,4cyclictest33-21ksoftirqd/208:06:292
11590993226,4cyclictest33-21ksoftirqd/207:48:242
1158999324,27cyclictest0-21swapper/107:36:151
11589993227,3cyclictest25-21ksoftirqd/112:09:291
11589993227,3cyclictest25-21ksoftirqd/111:46:281
11589993227,3cyclictest25-21ksoftirqd/109:07:261
11589993227,3cyclictest25-21ksoftirqd/107:55:441
11589993226,4cyclictest25-21ksoftirqd/112:18:131
11589993226,4cyclictest25-21ksoftirqd/111:14:181
11589993226,4cyclictest25-21ksoftirqd/109:48:531
11589993226,4cyclictest25-21ksoftirqd/109:24:501
11588993227,3cyclictest9-21ksoftirqd/012:22:090
11588993227,3cyclictest9-21ksoftirqd/012:07:210
11588993227,3cyclictest9-21ksoftirqd/010:06:420
11588993227,3cyclictest9-21ksoftirqd/009:47:040
11588993227,3cyclictest9-21ksoftirqd/007:50:110
11588993226,4cyclictest9-21ksoftirqd/012:36:490
11588993226,4cyclictest9-21ksoftirqd/012:17:120
11588993226,4cyclictest9-21ksoftirqd/009:00:020
11588993226,4cyclictest9-21ksoftirqd/008:01:450
139291310,0ptp4l401ktimersoftd/309:40:113
11591993126,3cyclictest41-21ksoftirqd/312:30:163
11591993126,3cyclictest41-21ksoftirqd/309:20:563
11591993125,4cyclictest41-21ksoftirqd/307:51:533
11590993127,3cyclictest33-21ksoftirqd/208:36:182
11590993126,3cyclictest33-21ksoftirqd/211:19:492
11590993126,3cyclictest33-21ksoftirqd/210:53:152
11590993126,3cyclictest33-21ksoftirqd/209:40:122
11590993126,3cyclictest33-21ksoftirqd/209:31:352
11590993126,3cyclictest33-21ksoftirqd/209:31:352
11590993126,3cyclictest33-21ksoftirqd/209:08:472
11590993126,3cyclictest33-21ksoftirqd/207:43:212
11590993125,4cyclictest33-21ksoftirqd/208:19:322
11589993126,3cyclictest25-21ksoftirqd/111:42:431
11589993126,3cyclictest25-21ksoftirqd/111:22:051
11589993126,3cyclictest25-21ksoftirqd/110:18:111
11589993126,3cyclictest25-21ksoftirqd/107:41:241
11589993126,3cyclictest25-21ksoftirqd/107:34:571
11589993125,4cyclictest25-21ksoftirqd/112:28:361
11588993126,3cyclictest9-21ksoftirqd/012:10:500
11588993126,3cyclictest9-21ksoftirqd/010:59:330
11588993126,3cyclictest9-21ksoftirqd/010:40:150
11588993126,3cyclictest9-21ksoftirqd/010:19:370
11588993126,3cyclictest9-21ksoftirqd/009:05:130
11588993126,3cyclictest9-21ksoftirqd/008:49:040
11588993125,4cyclictest9-21ksoftirqd/011:45:500
11588993125,4cyclictest9-21ksoftirqd/011:37:040
11588993125,4cyclictest9-21ksoftirqd/011:03:540
11588993125,4cyclictest9-21ksoftirqd/009:53:420
11588993125,4cyclictest9-21ksoftirqd/009:41:020
11588993125,3cyclictest9-21ksoftirqd/012:26:240
11588993124,4cyclictest9-21ksoftirqd/010:12:520
139291300,0ptp4l401ktimersoftd/310:28:243
139291300,0ptp4l401ktimersoftd/307:42:023
139291300,0ptp4l401ktimersoftd/307:28:193
11591993025,3cyclictest41-21ksoftirqd/312:07:563
11590993025,3cyclictest33-21ksoftirqd/212:39:582
11590993024,4cyclictest33-21ksoftirqd/210:32:072
11590993024,4cyclictest33-21ksoftirqd/208:49:462
11589993025,3cyclictest25-21ksoftirqd/112:12:311
11589993025,3cyclictest25-21ksoftirqd/109:53:361
11589993025,3cyclictest25-21ksoftirqd/109:37:181
11589993025,3cyclictest25-21ksoftirqd/109:15:351
11589993025,3cyclictest25-21ksoftirqd/108:53:531
11589993024,4cyclictest25-21ksoftirqd/112:02:441
11589993024,4cyclictest25-21ksoftirqd/110:48:271
11589993024,4cyclictest25-21ksoftirqd/109:26:311
11588993025,3cyclictest9-21ksoftirqd/010:03:570
11588993025,3cyclictest9-21ksoftirqd/008:17:580
11588993025,3cyclictest9-21ksoftirqd/007:32:530
11588993024,4cyclictest9-21ksoftirqd/009:26:070
11588993024,4cyclictest9-21ksoftirqd/008:43:340
1395912923,2phc2sys41-21ksoftirqd/311:45:183
11591992924,2cyclictest41-21ksoftirqd/309:30:183
11591992924,2cyclictest41-21ksoftirqd/309:30:183
11590992924,3cyclictest33-21ksoftirqd/212:23:542
11590992924,3cyclictest33-21ksoftirqd/210:14:372
11590992924,3cyclictest33-21ksoftirqd/207:55:062
1159099291,2cyclictest121rcu_preempt08:40:042
11589992924,3cyclictest25-21ksoftirqd/110:42:251
11589992923,4cyclictest25-21ksoftirqd/111:03:351
11589992923,4cyclictest25-21ksoftirqd/107:16:341
11588992924,3cyclictest9-21ksoftirqd/009:59:270
11588992923,4cyclictest9-21ksoftirqd/011:29:140
11591992823,3cyclictest41-21ksoftirqd/309:38:513
11590992823,3cyclictest33-21ksoftirqd/210:26:052
11590992822,4cyclictest33-21ksoftirqd/212:06:102
11590992822,4cyclictest33-21ksoftirqd/210:06:202
11589992822,4cyclictest25-21ksoftirqd/109:13:191
11589992822,4cyclictest25-21ksoftirqd/107:27:211
11588992824,2cyclictest9-21ksoftirqd/010:25:250
11588992823,3cyclictest9-21ksoftirqd/009:21:210
11588992823,3cyclictest9-21ksoftirqd/008:21:190
11588992823,3cyclictest9-21ksoftirqd/007:45:220
11588992822,4cyclictest9-21ksoftirqd/012:34:240
11589992722,3cyclictest25-21ksoftirqd/110:38:191
11588992721,4cyclictest9-21ksoftirqd/009:11:380
11589992621,3cyclictest25-21ksoftirqd/110:50:171
11589992621,3cyclictest25-21ksoftirqd/110:00:401
11589992621,3cyclictest25-21ksoftirqd/108:59:131
11589992621,3cyclictest25-21ksoftirqd/108:17:391
11588992621,3cyclictest9-21ksoftirqd/008:28:410
11588992620,3cyclictest9-21ksoftirqd/009:15:140
11589992520,3cyclictest25-21ksoftirqd/108:44:381
11588992520,3cyclictest9-21ksoftirqd/011:06:010
11591992318,3cyclictest41-21ksoftirqd/309:29:543
11590992318,3cyclictest33-21ksoftirqd/208:04:002
11588992318,3cyclictest9-21ksoftirqd/008:07:270
11588992317,4cyclictest9-21ksoftirqd/011:56:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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