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2026-05-07 - 00:32
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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 all highest latencies:
System rackdslot2.osadl.org (updated Wed May 06, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308412207173,22sleep30-21swapper/307:05:033
326472205172,22sleep00-21swapper/007:05:470
326892204170,23sleep20-21swapper/207:06:222
3032203170,22sleep10-21swapper/107:07:261
139291860,1ptp4l27766-21if_err_enp1s008:05:163
1395918363,11phc2sys0-21swapper/307:10:013
140642530,2sleep1846-21cyclictest12:05:231
11102520,2sleep10-21swapper/111:40:161
135191510,2getstats0-21swapper/312:00:063
117702470,2sleep20-21swapper/209:45:242
850994432,10cyclictest41-21ksoftirqd/310:00:113
139291430,0ptp4l401ktimersoftd/309:21:313
139291430,0ptp4l401ktimersoftd/308:03:333
139291420,1ptp4l401ktimersoftd/307:48:553
139291420,1ptp4l401ktimersoftd/307:32:063
139291420,0ptp4l401ktimersoftd/307:15:013
139291410,1ptp4l401ktimersoftd/309:37:593
139291400,0ptp4l401ktimersoftd/310:30:273
139291400,0ptp4l401ktimersoftd/309:29:213
139291400,0ptp4l401ktimersoftd/307:20:193
850993933,4cyclictest41-21ksoftirqd/310:55:303
849993929,2cyclictest33-21ksoftirqd/211:05:232
139291390,0ptp4l401ktimersoftd/309:55:203
850993833,3cyclictest41-21ksoftirqd/312:20:003
850993832,4cyclictest41-21ksoftirqd/311:28:563
850993832,4cyclictest41-21ksoftirqd/310:28:053
850993832,4cyclictest41-21ksoftirqd/309:33:173
849993833,3cyclictest33-21ksoftirqd/210:39:592
849993832,4cyclictest33-21ksoftirqd/211:31:142
848993832,4cyclictest25-21ksoftirqd/109:39:091
84799384,3cyclictest121rcu_preempt12:35:160
850993731,4cyclictest41-21ksoftirqd/312:21:063
850993731,4cyclictest41-21ksoftirqd/309:13:193
849993732,3cyclictest33-21ksoftirqd/211:13:532
849993732,3cyclictest33-21ksoftirqd/210:06:502
849993731,4cyclictest33-21ksoftirqd/211:53:452
849993731,4cyclictest33-21ksoftirqd/207:20:462
848993732,3cyclictest25-21ksoftirqd/111:34:261
848993731,4cyclictest25-21ksoftirqd/111:25:561
848993731,4cyclictest25-21ksoftirqd/108:10:561
847993731,4cyclictest9-21ksoftirqd/007:56:580
850993631,3cyclictest41-21ksoftirqd/311:00:173
850993631,3cyclictest41-21ksoftirqd/309:20:003
850993631,3cyclictest41-21ksoftirqd/308:10:143
850993630,4cyclictest41-21ksoftirqd/311:57:193
850993630,4cyclictest41-21ksoftirqd/311:35:543
850993630,4cyclictest41-21ksoftirqd/311:21:533
850993630,4cyclictest41-21ksoftirqd/310:15:573
850993630,4cyclictest41-21ksoftirqd/309:08:263
849993631,3cyclictest33-21ksoftirqd/210:28:052
849993630,4cyclictest33-21ksoftirqd/212:18:082
849993630,4cyclictest33-21ksoftirqd/209:03:272
849993630,4cyclictest33-21ksoftirqd/208:44:022
849993630,4cyclictest33-21ksoftirqd/208:22:282
848993632,3cyclictest25-21ksoftirqd/111:10:001
848993630,4cyclictest25-21ksoftirqd/112:02:471
848993630,4cyclictest25-21ksoftirqd/110:43:191
848993630,4cyclictest25-21ksoftirqd/110:15:511
847993631,3cyclictest9-21ksoftirqd/012:35:000
139291360,0ptp4l401ktimersoftd/310:20:273
139291360,0ptp4l401ktimersoftd/309:50:213
850993529,4cyclictest41-21ksoftirqd/312:32:263
850993529,4cyclictest41-21ksoftirqd/309:47:183
850993529,4cyclictest41-21ksoftirqd/308:34:483
850993529,4cyclictest41-21ksoftirqd/308:16:553
850993525,3cyclictest41-21ksoftirqd/307:25:243
849993530,3cyclictest33-21ksoftirqd/210:53:192
849993530,3cyclictest33-21ksoftirqd/210:03:132
849993530,3cyclictest33-21ksoftirqd/208:03:062
849993529,4cyclictest33-21ksoftirqd/212:09:142
849993529,4cyclictest33-21ksoftirqd/211:00:422
849993529,4cyclictest33-21ksoftirqd/209:25:552
849993529,4cyclictest33-21ksoftirqd/208:34:562
849993529,3cyclictest33-21ksoftirqd/210:12:132
848993530,3cyclictest25-21ksoftirqd/110:55:111
848993529,4cyclictest25-21ksoftirqd/111:56:051
848993529,4cyclictest25-21ksoftirqd/110:13:231
848993529,4cyclictest25-21ksoftirqd/109:41:051
848993529,4cyclictest25-21ksoftirqd/109:11:171
848993529,4cyclictest25-21ksoftirqd/109:02:431
848993529,4cyclictest25-21ksoftirqd/108:51:081
848993529,4cyclictest25-21ksoftirqd/108:51:081
848993529,4cyclictest25-21ksoftirqd/108:49:271
848993529,4cyclictest25-21ksoftirqd/107:29:231
848993529,3cyclictest25-21ksoftirqd/112:23:271
848993529,3cyclictest25-21ksoftirqd/108:15:471
848993513,20cyclictest7234-21sed07:20:241
848993513,20cyclictest25775-21missed_timers08:00:211
848993512,20cyclictest8955-21sed08:35:001
847993529,4cyclictest9-21ksoftirqd/012:26:240
847993529,4cyclictest9-21ksoftirqd/011:43:280
847993529,4cyclictest9-21ksoftirqd/011:07:460
847993529,4cyclictest9-21ksoftirqd/010:53:500
847993529,4cyclictest9-21ksoftirqd/010:37:300
847993529,4cyclictest9-21ksoftirqd/009:28:500
847993529,4cyclictest9-21ksoftirqd/009:09:230
847993529,4cyclictest9-21ksoftirqd/007:17:060
850993429,3cyclictest41-21ksoftirqd/312:05:343
850993429,3cyclictest41-21ksoftirqd/310:40:433
850993428,4cyclictest41-21ksoftirqd/311:40:123
850993428,4cyclictest41-21ksoftirqd/311:08:503
850993428,4cyclictest41-21ksoftirqd/310:46:263
850993427,5cyclictest41-21ksoftirqd/310:51:083
849993429,3cyclictest33-21ksoftirqd/212:00:012
849993429,3cyclictest33-21ksoftirqd/208:25:092
849993428,4cyclictest33-21ksoftirqd/212:27:032
849993428,4cyclictest33-21ksoftirqd/212:05:012
849993428,4cyclictest33-21ksoftirqd/210:31:422
849993428,4cyclictest33-21ksoftirqd/209:32:132
849993428,4cyclictest33-21ksoftirqd/208:15:062
848993430,3cyclictest25-21ksoftirqd/109:22:451
848993429,3cyclictest25-21ksoftirqd/111:21:311
848993429,3cyclictest25-21ksoftirqd/108:00:011
848993429,3cyclictest25-21ksoftirqd/107:41:211
848993428,4cyclictest25-21ksoftirqd/112:16:431
848993428,4cyclictest25-21ksoftirqd/112:13:381
848993428,4cyclictest25-21ksoftirqd/110:54:391
848993428,4cyclictest25-21ksoftirqd/108:57:021
848993414,17cyclictest5374-21apt-get11:50:101
84899340,4cyclictest30995-21grep11:35:171
84899340,4cyclictest20672-21chrt11:13:361
847993429,3cyclictest9-21ksoftirqd/011:27:350
847993429,3cyclictest9-21ksoftirqd/008:00:120
847993428,4cyclictest9-21ksoftirqd/012:14:020
847993428,4cyclictest9-21ksoftirqd/012:06:470
847993428,4cyclictest9-21ksoftirqd/010:17:010
847993426,5cyclictest9-21ksoftirqd/011:55:110
850993328,3cyclictest41-21ksoftirqd/311:53:183
850993328,3cyclictest41-21ksoftirqd/308:55:113
850993327,4cyclictest41-21ksoftirqd/312:25:393
850993327,4cyclictest41-21ksoftirqd/308:54:073
850993327,4cyclictest41-21ksoftirqd/308:54:073
850993327,4cyclictest41-21ksoftirqd/308:48:533
850993327,4cyclictest41-21ksoftirqd/308:39:373
849993328,3cyclictest33-21ksoftirqd/209:13:222
849993328,3cyclictest33-21ksoftirqd/208:58:542
849993328,3cyclictest33-21ksoftirqd/208:46:242
849993328,3cyclictest33-21ksoftirqd/207:59:142
849993328,3cyclictest33-21ksoftirqd/207:18:462
849993327,4cyclictest33-21ksoftirqd/210:41:002
849993327,4cyclictest33-21ksoftirqd/209:41:152
849993327,4cyclictest33-21ksoftirqd/209:07:412
849993327,4cyclictest33-21ksoftirqd/207:51:342
849993326,4cyclictest33-21ksoftirqd/212:30:122
84899339,21cyclictest19733-21latency_hist07:50:001
848993328,3cyclictest25-21ksoftirqd/109:18:101
848993327,4cyclictest25-21ksoftirqd/110:06:021
848993327,4cyclictest25-21ksoftirqd/109:31:471
848993327,4cyclictest25-21ksoftirqd/108:42:361
848993327,4cyclictest25-21ksoftirqd/108:25:511
848993326,4cyclictest25-21ksoftirqd/108:20:301
848993311,19cyclictest3635-21df_abs07:15:161
848993310,21cyclictest29417-21sh10:25:001
84899330,4cyclictest11000-21if_enp4s009:45:161
84899330,3cyclictest22278-21cut07:55:011
84899330,1cyclictest26997-21apt-get12:35:131
847993328,3cyclictest9-21ksoftirqd/010:30:120
847993328,3cyclictest9-21ksoftirqd/008:05:090
847993328,3cyclictest9-21ksoftirqd/007:25:110
847993327,4cyclictest9-21ksoftirqd/012:01:580
847993327,4cyclictest9-21ksoftirqd/011:15:200
847993327,4cyclictest9-21ksoftirqd/009:56:410
847993327,4cyclictest9-21ksoftirqd/009:00:290
847993327,4cyclictest9-21ksoftirqd/008:48:130
847993327,4cyclictest9-21ksoftirqd/007:52:330
847993327,4cyclictest9-21ksoftirqd/007:44:190
847993326,5cyclictest9-21ksoftirqd/011:52:470
139291330,1ptp4l0-21swapper/308:43:583
850993227,3cyclictest41-21ksoftirqd/311:19:213
850993226,4cyclictest41-21ksoftirqd/312:12:393
849993227,3cyclictest33-21ksoftirqd/210:20:452
849993227,3cyclictest33-21ksoftirqd/210:17:112
849993227,3cyclictest33-21ksoftirqd/207:48:142
849993226,4cyclictest33-21ksoftirqd/211:28:302
849993226,4cyclictest33-21ksoftirqd/209:53:102
849993226,4cyclictest33-21ksoftirqd/208:08:312
849993226,4cyclictest33-21ksoftirqd/207:12:152
84899323,26cyclictest10916-21cut07:30:151
848993227,3cyclictest25-21ksoftirqd/111:17:081
848993227,3cyclictest25-21ksoftirqd/107:39:491
848993226,4cyclictest25-21ksoftirqd/112:26:171
848993226,4cyclictest25-21ksoftirqd/109:56:591
848993226,4cyclictest25-21ksoftirqd/108:37:351
848993226,4cyclictest25-21ksoftirqd/108:05:471
848993211,19cyclictest4185-21latency_hist10:39:591
84899320,3cyclictest13062-21df09:50:131
847993228,3cyclictest9-21ksoftirqd/011:14:590
847993227,3cyclictest9-21ksoftirqd/012:15:010
847993227,3cyclictest9-21ksoftirqd/011:23:100
847993227,3cyclictest9-21ksoftirqd/010:43:060
847993227,3cyclictest9-21ksoftirqd/008:43:410
847993227,3cyclictest9-21ksoftirqd/008:37:250
847993227,3cyclictest9-21ksoftirqd/007:30:510
847993227,3cyclictest9-21ksoftirqd/007:24:300
847993226,4cyclictest9-21ksoftirqd/011:33:450
847993226,4cyclictest9-21ksoftirqd/010:55:180
847993226,4cyclictest9-21ksoftirqd/010:07:160
847993226,4cyclictest9-21ksoftirqd/009:44:140
847993226,4cyclictest9-21ksoftirqd/009:15:500
850993126,3cyclictest20553-21irqrtprio10:05:173
850993125,4cyclictest41-21ksoftirqd/312:36:423
850993125,4cyclictest41-21ksoftirqd/311:14:273
850993125,4cyclictest41-21ksoftirqd/308:28:213
850993125,4cyclictest41-21ksoftirqd/308:24:213
849993126,3cyclictest33-21ksoftirqd/211:41:342
849993126,3cyclictest33-21ksoftirqd/208:37:072
849993126,3cyclictest33-21ksoftirqd/208:12:452
849993126,3cyclictest33-21ksoftirqd/207:43:032
849993125,4cyclictest33-21ksoftirqd/212:23:092
849993125,4cyclictest33-21ksoftirqd/211:45:472
849993125,4cyclictest33-21ksoftirqd/211:36:522
849993125,4cyclictest33-21ksoftirqd/211:23:242
849993125,4cyclictest33-21ksoftirqd/211:17:512
849993125,4cyclictest33-21ksoftirqd/210:45:572
849993125,4cyclictest33-21ksoftirqd/209:59:562
849993124,5cyclictest33-21ksoftirqd/208:51:402
849993124,5cyclictest33-21ksoftirqd/208:51:402
84899319,18cyclictest6816-21apt-get10:45:121
848993126,3cyclictest25-21ksoftirqd/111:50:001
848993126,3cyclictest25-21ksoftirqd/110:31:441
848993125,4cyclictest25-21ksoftirqd/109:25:091
84899311,24cyclictest17529-21apt-get10:00:111
84899310,3cyclictest14963-21memory11:00:211
847993126,3cyclictest9-21ksoftirqd/010:20:450
847993126,3cyclictest9-21ksoftirqd/007:39:540
847993125,4cyclictest9-21ksoftirqd/010:01:380
847993125,4cyclictest9-21ksoftirqd/009:33:430
847993125,4cyclictest9-21ksoftirqd/008:26:400
847993125,4cyclictest9-21ksoftirqd/008:24:390
139291310,0ptp4l401ktimersoftd/309:40:143
850993025,3cyclictest41-21ksoftirqd/307:38:143
850993024,4cyclictest41-21ksoftirqd/310:13:413
849993025,3cyclictest33-21ksoftirqd/207:39:442
849993024,4cyclictest33-21ksoftirqd/212:37:062
849993024,4cyclictest33-21ksoftirqd/210:55:522
849993024,4cyclictest33-21ksoftirqd/207:30:322
848993025,3cyclictest25-21ksoftirqd/112:35:011
848993024,4cyclictest25-21ksoftirqd/110:26:231
847993025,3cyclictest9-21ksoftirqd/011:03:230
847993025,3cyclictest9-21ksoftirqd/009:54:480
847993025,3cyclictest9-21ksoftirqd/009:38:040
847993024,4cyclictest9-21ksoftirqd/011:48:500
847993024,4cyclictest9-21ksoftirqd/007:13:010
139291300,0ptp4l401ktimersoftd/311:49:023
850992924,3cyclictest41-21ksoftirqd/307:57:183
850992924,3cyclictest41-21ksoftirqd/307:41:583
849992923,4cyclictest33-21ksoftirqd/209:37:182
84899299,18cyclictest1308-21runrttasks07:11:421
848992911,16cyclictest1308-21runrttasks09:05:201
847992924,3cyclictest9-21ksoftirqd/009:21:560
847992923,4cyclictest9-21ksoftirqd/012:23:520
847992923,4cyclictest9-21ksoftirqd/010:13:580
847992923,3cyclictest9-21ksoftirqd/008:55:310
847992922,4cyclictest9-21ksoftirqd/010:25:100
139291290,0ptp4l401ktimersoftd/307:51:533
850992823,3cyclictest41-21ksoftirqd/310:35:183
847992823,3cyclictest9-21ksoftirqd/008:54:030
847992823,3cyclictest9-21ksoftirqd/008:54:030
847992823,3cyclictest9-21ksoftirqd/008:16:560
847992822,4cyclictest9-21ksoftirqd/008:33:580
849992722,3cyclictest33-21ksoftirqd/212:12:352
849992722,3cyclictest33-21ksoftirqd/207:30:012
849992721,4cyclictest33-21ksoftirqd/209:21:222
847992721,4cyclictest9-21ksoftirqd/011:35:060
850992620,3cyclictest41-21ksoftirqd/311:33:383
847992621,3cyclictest9-21ksoftirqd/007:48:540
850992520,3cyclictest41-21ksoftirqd/309:00:413
847992419,3cyclictest9-21ksoftirqd/010:46:430
847992419,3cyclictest9-21ksoftirqd/009:45:460
849992318,3cyclictest33-21ksoftirqd/209:17:342
847992116,3cyclictest9-21ksoftirqd/009:13:480
847992013,4cyclictest217-21systemd-journal08:14:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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