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2025-12-10 - 22:34
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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 Dec 10, 2025 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136691216170,36phc2sys0-21swapper/307:08:583
227672206171,24sleep20-21swapper/207:05:332
228912205171,23sleep10-21swapper/107:07:091
228602204169,23sleep00-21swapper/007:06:430
1177821520,6sleep02341199cyclictest11:15:160
2341499723,34cyclictest22353-21cat08:15:013
168122580,5sleep32341499cyclictest08:00:263
6552550,2sleep30-21swapper/312:00:163
290482530,1sleep20-21swapper/207:20:212
102682500,2sleep10-21swapper/107:50:011
136591440,0ptp4l401ktimersoftd/310:35:253
51698430,9rtkit-daemon0-21swapper/111:16:321
51698430,8rtkit-daemon0-21swapper/109:17:191
136591430,0ptp4l401ktimersoftd/312:07:153
23414994236,4cyclictest13633-21cron09:05:003
136591420,0ptp4l401ktimersoftd/311:35:373
136591420,0ptp4l401ktimersoftd/311:32:363
136591410,0ptp4l401ktimersoftd/308:45:333
136591410,0ptp4l401ktimersoftd/308:20:133
23411994033,4cyclictest4083-21cron08:45:000
136591400,4ptp4l0-21swapper/312:29:163
136591400,0ptp4l401ktimersoftd/307:29:223
1366913930,4phc2sys0-21swapper/307:10:003
51698360,2rtkit-daemon0-21swapper/110:31:161
23412993530,3cyclictest25-21ksoftirqd/109:35:191
23411993529,3cyclictest9-21ksoftirqd/009:20:010
23413993429,3cyclictest33-21ksoftirqd/210:05:002
23412993429,3cyclictest25-21ksoftirqd/108:40:171
23412993429,3cyclictest25-21ksoftirqd/108:15:001
23412993428,3cyclictest25-21ksoftirqd/111:40:111
23412993428,3cyclictest25-21ksoftirqd/111:40:101
23412993427,4cyclictest25-21ksoftirqd/112:35:041
23411993428,4cyclictest9-21ksoftirqd/010:09:410
23411993428,3cyclictest9-21ksoftirqd/007:40:000
63792330,6sleep32341499cyclictest07:40:203
23414993327,4cyclictest41-21ksoftirqd/308:56:183
23414993311,19cyclictest10436-21grep11:10:223
2341499330,31cyclictest0-21swapper/311:55:013
23413993328,3cyclictest33-21ksoftirqd/209:40:002
23413993327,4cyclictest33-21ksoftirqd/207:33:412
2341299333,2cyclictest121rcu_preempt08:15:031
23412993328,3cyclictest25-21ksoftirqd/111:00:191
23412993328,3cyclictest25-21ksoftirqd/110:50:201
23412993328,3cyclictest25-21ksoftirqd/107:40:201
23412993327,4cyclictest25-21ksoftirqd/107:19:121
23412993326,5cyclictest25-21ksoftirqd/108:33:171
23412993326,4cyclictest25-21ksoftirqd/108:00:121
23411993327,4cyclictest9-21ksoftirqd/011:27:320
23411993327,4cyclictest9-21ksoftirqd/008:54:380
2341499329,3cyclictest27301-21sed11:45:293
23414993226,4cyclictest41-21ksoftirqd/312:20:383
23414993226,4cyclictest41-21ksoftirqd/312:20:383
23414993226,4cyclictest41-21ksoftirqd/311:42:553
23414993226,4cyclictest41-21ksoftirqd/311:42:553
23414993226,4cyclictest41-21ksoftirqd/308:39:093
23414993210,19cyclictest14771-21sed09:05:183
23413993227,3cyclictest33-21ksoftirqd/208:50:182
23413993221,9cyclictest33-21ksoftirqd/210:50:252
23412993228,2cyclictest25-21ksoftirqd/111:34:591
23412993227,3cyclictest25-21ksoftirqd/111:10:251
23412993227,3cyclictest25-21ksoftirqd/110:00:001
23412993226,4cyclictest25-21ksoftirqd/107:23:001
23412993226,3cyclictest25-21ksoftirqd/109:00:041
23412993226,3cyclictest25-21ksoftirqd/108:29:591
23412993225,5cyclictest25-21ksoftirqd/110:56:161
23412993225,4cyclictest25-21ksoftirqd/108:46:591
23411993227,3cyclictest9-21ksoftirqd/010:15:220
23411993226,4cyclictest9-21ksoftirqd/011:35:340
23411993226,4cyclictest9-21ksoftirqd/011:01:520
23411993226,4cyclictest9-21ksoftirqd/010:35:120
2341499319,20cyclictest18075-21sed12:35:193
2341499318,3cyclictest29784-21df_abs10:45:173
2341499318,3cyclictest28871-21tr07:20:213
2341499315,8cyclictest11726-21df_abs11:15:153
23414993126,3cyclictest41-21ksoftirqd/307:53:363
23414993125,4cyclictest41-21ksoftirqd/310:20:313
23414993125,4cyclictest41-21ksoftirqd/309:33:173
23414993125,4cyclictest41-21ksoftirqd/309:29:563
2341499311,9cyclictest7387-21idleruntime-cro12:15:003
23414993112,16cyclictest22347-21/usr/sbin/munin10:30:193
23414993111,18cyclictest28103-21/usr/sbin/munin09:35:143
23414993111,17cyclictest30400-21/usr/sbin/munin11:55:173
23414993110,3cyclictest1216-21irqrtprio07:30:223
23414993110,18cyclictest15072-21sendmail08:00:003
23413993126,3cyclictest33-21ksoftirqd/212:17:272
23413993126,3cyclictest33-21ksoftirqd/210:24:312
23413993125,4cyclictest33-21ksoftirqd/212:23:092
23413993125,4cyclictest33-21ksoftirqd/212:23:092
23413993125,4cyclictest33-21ksoftirqd/211:32:072
23413993125,4cyclictest33-21ksoftirqd/210:31:052
23413993125,4cyclictest33-21ksoftirqd/209:32:312
23413993125,4cyclictest33-21ksoftirqd/207:54:112
23413993125,4cyclictest33-21ksoftirqd/207:42:152
23413993125,3cyclictest33-21ksoftirqd/211:25:112
23413993124,4cyclictest33-21ksoftirqd/208:30:002
23412993127,2cyclictest25-21ksoftirqd/109:45:201
23412993126,3cyclictest25-21ksoftirqd/112:33:591
23412993126,3cyclictest25-21ksoftirqd/112:05:011
23412993126,3cyclictest25-21ksoftirqd/110:05:161
23412993126,3cyclictest25-21ksoftirqd/108:55:011
23412993126,3cyclictest25-21ksoftirqd/108:40:011
23412993126,2cyclictest25-21ksoftirqd/112:20:011
23412993124,4cyclictest25-21ksoftirqd/110:16:191
23412993122,5cyclictest25-21ksoftirqd/112:05:141
23412993120,9cyclictest25-21ksoftirqd/108:05:251
23412993119,10cyclictest25-21ksoftirqd/111:25:231
2341299310,2cyclictest121rcu_preempt09:11:431
23411993126,3cyclictest9-21ksoftirqd/010:25:540
23411993125,4cyclictest9-21ksoftirqd/010:58:420
23411993125,4cyclictest9-21ksoftirqd/010:42:170
23411993125,4cyclictest9-21ksoftirqd/009:11:360
23411993125,3cyclictest9-21ksoftirqd/009:55:050
2341499308,3cyclictest3646-21irqrtprio09:50:203
2341499308,3cyclictest28742-21sed10:40:293
2341499308,3cyclictest2853-21irqrtprio08:40:223
2341499304,7cyclictest20309-21unixbench_singl09:15:283
23414993026,2cyclictest136591ptp4l07:36:343
23414993024,4cyclictest41-21ksoftirqd/311:09:163
23414993024,4cyclictest41-21ksoftirqd/309:14:103
23414993024,4cyclictest41-21ksoftirqd/308:30:313
23414993011,17cyclictest22409-21/usr/sbin/munin08:15:243
23413993026,3cyclictest33-21ksoftirqd/208:10:202
23413993025,3cyclictest33-21ksoftirqd/212:03:362
23413993025,3cyclictest33-21ksoftirqd/211:07:372
23413993024,4cyclictest33-21ksoftirqd/212:07:532
23413993024,4cyclictest33-21ksoftirqd/211:51:322
23413993024,4cyclictest33-21ksoftirqd/210:44:442
23413993024,4cyclictest33-21ksoftirqd/210:38:342
23413993024,4cyclictest33-21ksoftirqd/210:16:292
23413993024,4cyclictest33-21ksoftirqd/210:12:522
23413993024,4cyclictest33-21ksoftirqd/209:59:562
23413993024,4cyclictest33-21ksoftirqd/208:58:502
23413993015,3cyclictest33-21ksoftirqd/207:13:152
23412993026,3cyclictest25-21ksoftirqd/111:39:311
23412993025,3cyclictest25-21ksoftirqd/112:23:411
23412993025,3cyclictest25-21ksoftirqd/112:23:411
23412993025,3cyclictest25-21ksoftirqd/110:35:151
23412993025,3cyclictest25-21ksoftirqd/107:14:111
23412993024,4cyclictest25-21ksoftirqd/111:55:531
23412993024,4cyclictest25-21ksoftirqd/109:41:461
23412993024,4cyclictest25-21ksoftirqd/109:26:251
23412993024,4cyclictest25-21ksoftirqd/108:21:301
23412993021,7cyclictest25-21ksoftirqd/112:10:191
2341299301,3cyclictest121rcu_preempt10:45:011
23411993026,3cyclictest9-21ksoftirqd/007:40:200
23411993025,3cyclictest9-21ksoftirqd/012:30:140
23411993025,3cyclictest9-21ksoftirqd/011:49:350
23411993025,3cyclictest9-21ksoftirqd/008:15:220
23411993025,3cyclictest9-21ksoftirqd/008:00:190
23411993024,4cyclictest9-21ksoftirqd/011:50:580
23411993024,4cyclictest9-21ksoftirqd/011:40:370
23411993024,4cyclictest9-21ksoftirqd/011:40:360
23411993024,4cyclictest9-21ksoftirqd/011:34:060
23411993024,4cyclictest9-21ksoftirqd/010:54:210
23411993024,4cyclictest9-21ksoftirqd/010:45:420
23411993024,4cyclictest9-21ksoftirqd/009:37:140
2341499299,3cyclictest20996-21/usr/sbin/munin09:20:253
2341499298,4cyclictest2259-21gnome-shell07:16:593
2341499297,3cyclictest6101-21cut09:55:213
23414992923,4cyclictest41-21ksoftirqd/312:31:053
23414992923,4cyclictest41-21ksoftirqd/312:18:023
23414992923,4cyclictest41-21ksoftirqd/311:02:233
23413992924,3cyclictest33-21ksoftirqd/209:19:592
23413992923,4cyclictest33-21ksoftirqd/211:38:492
23413992923,4cyclictest33-21ksoftirqd/211:14:462
23413992923,4cyclictest33-21ksoftirqd/209:51:292
23413992923,4cyclictest33-21ksoftirqd/209:08:572
23413992923,4cyclictest33-21ksoftirqd/208:15:052
23413992923,4cyclictest33-21ksoftirqd/208:02:582
23413992923,3cyclictest33-21ksoftirqd/208:20:192
2341399291,2cyclictest121rcu_preempt09:15:002
23412992925,3cyclictest25-21ksoftirqd/111:50:211
23412992925,3cyclictest25-21ksoftirqd/111:45:211
23412992925,2cyclictest25-21ksoftirqd/110:30:001
23412992924,3cyclictest25-21ksoftirqd/109:10:001
23412992923,4cyclictest25-21ksoftirqd/107:57:431
23412992917,10cyclictest25-21ksoftirqd/110:10:251
2341299291,5cyclictest121rcu_preempt11:05:161
23411992924,3cyclictest9-21ksoftirqd/012:38:480
23411992924,3cyclictest9-21ksoftirqd/010:22:000
23411992924,3cyclictest9-21ksoftirqd/009:24:560
23411992924,3cyclictest9-21ksoftirqd/008:14:490
23411992924,3cyclictest9-21ksoftirqd/007:30:440
23411992924,3cyclictest9-21ksoftirqd/007:12:490
23411992923,4cyclictest9-21ksoftirqd/012:17:090
23411992923,4cyclictest9-21ksoftirqd/011:23:470
23411992923,4cyclictest9-21ksoftirqd/010:32:030
23411992923,4cyclictest9-21ksoftirqd/008:31:040
23411992923,4cyclictest9-21ksoftirqd/008:25:500
23411992923,4cyclictest9-21ksoftirqd/008:07:050
136591290,0ptp4l401ktimersoftd/310:10:153
2341499289,3cyclictest1649-21ls10:55:003
2341499284,4cyclictest2259-21gnome-shell10:17:583
23414992823,3cyclictest41-21ksoftirqd/310:01:593
23414992822,4cyclictest41-21ksoftirqd/311:20:043
23414992822,4cyclictest41-21ksoftirqd/310:58:583
23413992823,3cyclictest33-21ksoftirqd/211:40:132
23413992823,3cyclictest33-21ksoftirqd/211:40:122
23413992823,3cyclictest33-21ksoftirqd/207:27:072
23413992822,4cyclictest33-21ksoftirqd/211:20:082
23413992822,4cyclictest33-21ksoftirqd/211:02:062
23413992822,4cyclictest33-21ksoftirqd/209:22:492
23413992822,4cyclictest33-21ksoftirqd/208:07:432
23413992822,4cyclictest33-21ksoftirqd/207:47:252
23412992823,3cyclictest25-21ksoftirqd/109:50:351
23412992823,3cyclictest25-21ksoftirqd/108:55:171
23412992822,4cyclictest25-21ksoftirqd/107:40:001
23412992822,4cyclictest25-21ksoftirqd/107:26:091
23412992822,3cyclictest25-21ksoftirqd/111:20:191
2341299280,3cyclictest121rcu_preempt09:30:141
23411992824,3cyclictest9-21ksoftirqd/008:35:200
23411992823,3cyclictest9-21ksoftirqd/011:06:460
23411992823,3cyclictest9-21ksoftirqd/009:33:100
23411992823,3cyclictest9-21ksoftirqd/009:00:120
23411992823,3cyclictest9-21ksoftirqd/007:49:550
23411992823,3cyclictest9-21ksoftirqd/007:26:320
23411992822,4cyclictest9-21ksoftirqd/010:02:430
2341499278,2cyclictest20401-21grep10:25:163
2341499272,7cyclictest29419-21ls08:29:593
23414992722,3cyclictest19806-21cron08:10:003
2341499271,11cyclictest16687-21hddtemp_smartct11:25:173
23413992722,3cyclictest33-21ksoftirqd/210:06:322
23413992721,4cyclictest33-21ksoftirqd/212:33:002
23413992721,4cyclictest33-21ksoftirqd/211:45:022
23413992721,4cyclictest33-21ksoftirqd/209:42:462
23413992721,4cyclictest33-21ksoftirqd/209:28:592
23413992721,4cyclictest33-21ksoftirqd/209:03:432
23413992721,4cyclictest33-21ksoftirqd/207:37:222
23413992714,10cyclictest33-21ksoftirqd/207:15:182
23412992723,3cyclictest25-21ksoftirqd/107:55:011
23412992723,2cyclictest25-21ksoftirqd/110:05:001
23412992721,4cyclictest25-21ksoftirqd/112:26:141
23412992721,4cyclictest25-21ksoftirqd/110:46:171
23411992723,2cyclictest9-21ksoftirqd/009:26:000
23411992722,3cyclictest9-21ksoftirqd/008:55:220
23411992721,4cyclictest9-21ksoftirqd/007:23:440
2341499266,2cyclictest0-21swapper/309:45:013
2341499265,3cyclictest2380-21taskset09:46:443
23414992621,3cyclictest41-21ksoftirqd/310:07:483
23414992620,4cyclictest41-21ksoftirqd/308:53:293
23413992622,3cyclictest33-21ksoftirqd/207:55:202
23413992621,3cyclictest33-21ksoftirqd/212:37:022
23413992621,3cyclictest33-21ksoftirqd/212:29:432
23413992621,3cyclictest33-21ksoftirqd/211:57:382
23413992621,3cyclictest33-21ksoftirqd/208:42:552
23413992620,3cyclictest33-21ksoftirqd/210:25:192
23412992622,3cyclictest25-21ksoftirqd/107:30:171
23412992621,3cyclictest25-21ksoftirqd/110:20:131
23411992621,3cyclictest9-21ksoftirqd/012:22:350
23411992621,3cyclictest9-21ksoftirqd/012:22:350
23411992621,3cyclictest9-21ksoftirqd/008:45:210
23411992621,3cyclictest9-21ksoftirqd/007:51:310
23411992620,4cyclictest9-21ksoftirqd/009:54:030
23414992519,4cyclictest41-21ksoftirqd/307:47:343
23413992520,3cyclictest18785-21kworker/2:211:15:272
23412992521,3cyclictest25-21ksoftirqd/109:20:131
23411992520,3cyclictest9-21ksoftirqd/009:50:000
23411992520,3cyclictest9-21ksoftirqd/009:41:440
23411992520,3cyclictest9-21ksoftirqd/009:06:540
23411992520,3cyclictest9-21ksoftirqd/007:18:020
23411992519,3cyclictest9-21ksoftirqd/012:00:150
23413992419,3cyclictest33-21ksoftirqd/208:47:102
23413992419,3cyclictest33-21ksoftirqd/208:35:582
23413992419,3cyclictest33-21ksoftirqd/208:31:252
23411992420,3cyclictest9-21ksoftirqd/010:10:260
23411992419,3cyclictest9-21ksoftirqd/011:14:350
23413992317,4cyclictest33-21ksoftirqd/212:12:102
23411992319,3cyclictest9-21ksoftirqd/007:55:130
23411992319,2cyclictest9-21ksoftirqd/008:20:170
23411992318,3cyclictest9-21ksoftirqd/012:10:470
23411992317,4cyclictest9-21ksoftirqd/012:26:160
23413992216,3cyclictest33-21ksoftirqd/209:45:152
23411992218,3cyclictest9-21ksoftirqd/011:59:590
23413992117,2cyclictest33-21ksoftirqd/210:55:192
23413992117,2cyclictest33-21ksoftirqd/210:45:262
23411992115,3cyclictest2938-21cpuspeed_turbos12:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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