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2026-05-07 - 23:42
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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 rackdslot4.osadl.org (updated Thu May 07, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3182122100,4sleep30-21swapper/307:05:123
10062202169,22sleep00-21swapper/007:07:030
9462201169,21sleep20-21swapper/207:06:172
11812201167,23sleep10-21swapper/107:09:211
138491660,1ptp4l401ktimersoftd/311:24:493
271412640,2sleep20-21swapper/210:10:182
271412640,2sleep20-21swapper/210:10:182
138491540,1ptp4l401ktimersoftd/310:40:223
50798490,11rtkit-daemon0-21swapper/009:07:270
143582490,2sleep00-21swapper/009:45:130
314212470,2sleep00-21swapper/012:30:120
71942460,1sleep20-21swapper/207:20:172
1549994627,7cyclictest41-21ksoftirqd/311:28:143
138491450,0ptp4l401ktimersoftd/307:13:013
138491420,0ptp4l401ktimersoftd/310:14:573
138491420,0ptp4l401ktimersoftd/310:14:573
138491420,0ptp4l401ktimersoftd/309:19:053
1547994033,5cyclictest25-21ksoftirqd/107:35:121
138491400,0ptp4l401ktimersoftd/312:05:163
1547993932,4cyclictest25-21ksoftirqd/111:35:001
50798380,3rtkit-daemon29400-21hddtemp_smartct10:15:161
1549993731,4cyclictest41-21ksoftirqd/307:32:333
1548993731,4cyclictest33-21ksoftirqd/211:52:112
1548993730,4cyclictest33-21ksoftirqd/209:04:002
1547993732,3cyclictest25-21ksoftirqd/107:50:111
1546993731,4cyclictest9-21ksoftirqd/009:40:310
1546993731,4cyclictest9-21ksoftirqd/009:40:310
1546993731,3cyclictest9861-21irqrtprio09:35:190
1549993631,3cyclictest41-21ksoftirqd/311:05:183
1549993630,4cyclictest41-21ksoftirqd/310:17:173
1549993630,4cyclictest41-21ksoftirqd/309:24:343
1549993630,4cyclictest41-21ksoftirqd/309:05:403
1549993630,4cyclictest41-21ksoftirqd/309:01:023
1549993630,4cyclictest41-21ksoftirqd/308:12:373
1549993630,4cyclictest41-21ksoftirqd/308:12:373
1548993631,3cyclictest33-21ksoftirqd/208:35:112
1548993631,3cyclictest33-21ksoftirqd/208:14:002
1548993631,3cyclictest33-21ksoftirqd/208:14:002
1548993630,4cyclictest33-21ksoftirqd/212:06:562
1548993630,4cyclictest33-21ksoftirqd/211:13:042
1548993630,4cyclictest33-21ksoftirqd/211:13:032
1548993630,4cyclictest33-21ksoftirqd/207:44:522
1548993630,4cyclictest33-21ksoftirqd/207:36:052
1547993630,4cyclictest25-21ksoftirqd/112:20:461
1547993630,4cyclictest25-21ksoftirqd/110:32:151
1547993630,4cyclictest25-21ksoftirqd/109:59:341
1547993630,4cyclictest25-21ksoftirqd/107:21:001
1547993629,4cyclictest25-21ksoftirqd/111:24:351
1546993626,4cyclictest9-21ksoftirqd/010:10:520
1546993626,4cyclictest9-21ksoftirqd/010:10:520
1549993529,4cyclictest41-21ksoftirqd/311:01:253
1549993529,4cyclictest41-21ksoftirqd/310:46:343
1549993529,4cyclictest41-21ksoftirqd/310:21:583
1549993529,4cyclictest41-21ksoftirqd/309:25:343
1549993529,4cyclictest41-21ksoftirqd/308:51:313
1549993529,4cyclictest41-21ksoftirqd/308:19:353
1548993530,3cyclictest33-21ksoftirqd/207:12:332
1548993529,4cyclictest33-21ksoftirqd/211:28:562
1548993529,4cyclictest33-21ksoftirqd/210:18:282
1548993529,4cyclictest33-21ksoftirqd/210:06:092
1548993529,4cyclictest33-21ksoftirqd/208:24:232
1548993529,4cyclictest33-21ksoftirqd/207:26:142
1547993530,3cyclictest25-21ksoftirqd/112:05:051
1547993530,3cyclictest25-21ksoftirqd/110:05:121
1547993529,4cyclictest25-21ksoftirqd/112:31:501
1547993529,4cyclictest25-21ksoftirqd/111:26:511
1547993529,4cyclictest25-21ksoftirqd/109:11:401
1547993529,4cyclictest25-21ksoftirqd/109:11:401
1547993529,3cyclictest1303-21runrttasks08:13:541
1547993529,3cyclictest1303-21runrttasks08:13:531
1546993530,3cyclictest9-21ksoftirqd/011:38:290
1546993530,3cyclictest9-21ksoftirqd/011:15:100
1549993429,3cyclictest41-21ksoftirqd/311:56:333
1549993428,4cyclictest41-21ksoftirqd/309:58:523
1549993428,4cyclictest41-21ksoftirqd/309:37:573
1549993428,4cyclictest41-21ksoftirqd/308:29:383
1549993428,4cyclictest41-21ksoftirqd/307:22:423
1548993429,3cyclictest33-21ksoftirqd/212:28:062
1548993429,3cyclictest33-21ksoftirqd/212:20:102
1548993428,4cyclictest33-21ksoftirqd/210:49:092
1548993428,4cyclictest33-21ksoftirqd/210:41:462
1548993428,4cyclictest33-21ksoftirqd/210:36:492
1548993428,4cyclictest33-21ksoftirqd/210:32:162
1548993428,4cyclictest33-21ksoftirqd/210:27:382
1548993428,3cyclictest33-21ksoftirqd/211:08:592
1547993429,3cyclictest25-21ksoftirqd/110:20:151
1547993429,3cyclictest25-21ksoftirqd/109:55:011
1547993428,4cyclictest25-21ksoftirqd/111:58:331
1547993428,4cyclictest25-21ksoftirqd/111:11:551
1547993428,4cyclictest25-21ksoftirqd/111:11:541
1547993428,3cyclictest25-21ksoftirqd/112:35:191
1547993428,3cyclictest25-21ksoftirqd/111:50:011
1547993427,4cyclictest25-21ksoftirqd/111:42:521
1547993427,4cyclictest25-21ksoftirqd/111:42:521
1547993427,4cyclictest25-21ksoftirqd/108:33:371
1546993428,4cyclictest9-21ksoftirqd/010:40:320
1546993428,4cyclictest9-21ksoftirqd/009:16:070
1546993428,4cyclictest9-21ksoftirqd/009:10:590
1546993428,4cyclictest9-21ksoftirqd/009:10:590
1546993428,4cyclictest9-21ksoftirqd/008:50:290
1546993428,4cyclictest9-21ksoftirqd/008:08:130
1546993428,3cyclictest9-21ksoftirqd/011:00:000
138491340,0ptp4l401ktimersoftd/309:10:133
138491340,0ptp4l401ktimersoftd/309:10:133
138491340,0ptp4l401ktimersoftd/308:00:243
1549993328,3cyclictest41-21ksoftirqd/309:43:113
1549993328,3cyclictest41-21ksoftirqd/309:43:103
1549993327,4cyclictest41-21ksoftirqd/312:33:173
1549993327,4cyclictest41-21ksoftirqd/311:32:553
1549993327,4cyclictest41-21ksoftirqd/311:16:343
1549993327,4cyclictest41-21ksoftirqd/310:31:173
1549993327,4cyclictest41-21ksoftirqd/309:48:533
1549993327,4cyclictest41-21ksoftirqd/308:07:183
1549993326,4cyclictest41-21ksoftirqd/308:20:033
1548993328,3cyclictest33-21ksoftirqd/211:41:322
1548993328,3cyclictest33-21ksoftirqd/211:41:322
1548993328,3cyclictest33-21ksoftirqd/211:33:162
1548993327,4cyclictest33-21ksoftirqd/212:03:352
1548993327,4cyclictest33-21ksoftirqd/211:57:362
1548993327,4cyclictest33-21ksoftirqd/211:39:112
1548993327,4cyclictest33-21ksoftirqd/210:53:192
1548993327,4cyclictest33-21ksoftirqd/210:24:572
1548993327,4cyclictest33-21ksoftirqd/208:54:282
1548993327,4cyclictest33-21ksoftirqd/208:40:112
1548993327,4cyclictest33-21ksoftirqd/207:46:002
1547993328,3cyclictest25-21ksoftirqd/110:41:061
1547993328,3cyclictest25-21ksoftirqd/110:30:001
1547993328,3cyclictest25-21ksoftirqd/107:40:121
1547993327,4cyclictest25-21ksoftirqd/112:17:251
1547993327,4cyclictest25-21ksoftirqd/111:08:131
1547993327,4cyclictest25-21ksoftirqd/110:52:121
1547993327,4cyclictest25-21ksoftirqd/109:08:511
1547993327,4cyclictest25-21ksoftirqd/108:25:551
1547993327,4cyclictest25-21ksoftirqd/108:19:131
1547993326,4cyclictest25-21ksoftirqd/109:17:221
1547993325,6cyclictest25-21ksoftirqd/109:49:031
1546993328,3cyclictest9-21ksoftirqd/008:32:230
1546993328,3cyclictest9-21ksoftirqd/007:52:400
1546993327,4cyclictest9-21ksoftirqd/010:24:240
1546993327,4cyclictest9-21ksoftirqd/009:25:540
1546993327,4cyclictest9-21ksoftirqd/008:40:300
1546993327,4cyclictest9-21ksoftirqd/007:11:000
138491330,0ptp4l401ktimersoftd/307:50:123
1549993227,3cyclictest41-21ksoftirqd/312:20:213
1549993226,4cyclictest41-21ksoftirqd/312:37:503
1549993226,4cyclictest41-21ksoftirqd/308:34:553
1548993227,3cyclictest33-21ksoftirqd/208:16:372
1548993227,3cyclictest33-21ksoftirqd/208:00:192
1548993226,4cyclictest33-21ksoftirqd/212:10:572
1548993226,4cyclictest33-21ksoftirqd/209:53:322
1548993226,4cyclictest33-21ksoftirqd/208:59:092
1548993226,4cyclictest33-21ksoftirqd/207:54:392
1548993218,5cyclictest33-21ksoftirqd/209:22:112
1547993227,3cyclictest25-21ksoftirqd/108:44:121
1547993227,3cyclictest25-21ksoftirqd/108:00:101
1547993226,4cyclictest25-21ksoftirqd/111:38:511
1547993226,4cyclictest25-21ksoftirqd/110:45:351
1547993226,4cyclictest25-21ksoftirqd/109:32:221
1547993226,4cyclictest25-21ksoftirqd/108:35:341
1547993226,4cyclictest25-21ksoftirqd/107:58:231
1547993225,5cyclictest25-21ksoftirqd/109:01:161
1546993227,3cyclictest9-21ksoftirqd/011:01:030
1546993227,3cyclictest9-21ksoftirqd/010:10:000
1546993227,3cyclictest9-21ksoftirqd/007:16:310
1546993226,4cyclictest9-21ksoftirqd/012:27:390
1546993226,4cyclictest9-21ksoftirqd/011:41:030
1546993226,4cyclictest9-21ksoftirqd/011:41:020
1546993226,4cyclictest9-21ksoftirqd/009:33:010
1546993226,4cyclictest9-21ksoftirqd/009:21:290
1546993226,4cyclictest9-21ksoftirqd/008:18:280
1546993226,4cyclictest9-21ksoftirqd/007:38:400
1546993225,4cyclictest9-21ksoftirqd/011:14:030
1546993225,4cyclictest9-21ksoftirqd/011:14:030
154699320,2cyclictest0-21swapper/009:02:130
1549993127,3cyclictest41-21ksoftirqd/308:56:003
1549993125,4cyclictest41-21ksoftirqd/310:38:233
1549993125,4cyclictest41-21ksoftirqd/310:08:423
1549993125,4cyclictest41-21ksoftirqd/307:46:013
1549993125,4cyclictest41-21ksoftirqd/307:16:253
1548993126,3cyclictest33-21ksoftirqd/212:35:392
1548993126,3cyclictest33-21ksoftirqd/211:17:272
1548993126,3cyclictest33-21ksoftirqd/210:01:392
1548993126,3cyclictest33-21ksoftirqd/209:56:472
1548993126,3cyclictest33-21ksoftirqd/209:50:012
1548993126,3cyclictest33-21ksoftirqd/208:45:202
1548993126,3cyclictest33-21ksoftirqd/207:31:082
1548993125,4cyclictest33-21ksoftirqd/211:00:092
1548993125,4cyclictest33-21ksoftirqd/210:59:042
1547993126,3cyclictest25-21ksoftirqd/110:10:171
1547993126,3cyclictest25-21ksoftirqd/110:10:171
1547993126,3cyclictest25-21ksoftirqd/108:59:591
1547993126,3cyclictest25-21ksoftirqd/108:55:011
1547993125,4cyclictest25-21ksoftirqd/112:02:051
1547993125,4cyclictest25-21ksoftirqd/109:41:081
1547993125,4cyclictest25-21ksoftirqd/109:41:081
1547993125,4cyclictest25-21ksoftirqd/109:23:311
1547993125,4cyclictest25-21ksoftirqd/107:28:141
1547993124,5cyclictest25-21ksoftirqd/111:03:521
1547993123,5cyclictest25-21ksoftirqd/107:46:511
1546993126,3cyclictest9-21ksoftirqd/010:32:340
1546993126,3cyclictest9-21ksoftirqd/010:25:440
1546993126,3cyclictest9-21ksoftirqd/008:35:370
1546993125,4cyclictest9-21ksoftirqd/012:14:360
1546993125,4cyclictest9-21ksoftirqd/012:06:260
1546993125,4cyclictest9-21ksoftirqd/011:26:010
1546993125,4cyclictest9-21ksoftirqd/009:00:000
1546993125,4cyclictest9-21ksoftirqd/007:31:540
138491310,0ptp4l401ktimersoftd/311:40:293
138491310,0ptp4l401ktimersoftd/311:40:293
1549993025,3cyclictest41-21ksoftirqd/309:50:253
1549993025,3cyclictest41-21ksoftirqd/309:34:253
1549993024,4cyclictest41-21ksoftirqd/312:04:523
1549993024,4cyclictest41-21ksoftirqd/311:10:103
1549993024,4cyclictest41-21ksoftirqd/311:10:103
1549993024,4cyclictest41-21ksoftirqd/310:50:383
1549993024,4cyclictest41-21ksoftirqd/307:38:313
1548993025,3cyclictest33-21ksoftirqd/211:24:432
1548993025,3cyclictest33-21ksoftirqd/209:20:002
1548993024,4cyclictest33-21ksoftirqd/212:34:072
1548993024,4cyclictest33-21ksoftirqd/207:58:482
1547993025,3cyclictest25-21ksoftirqd/111:53:271
1547993025,3cyclictest25-21ksoftirqd/110:57:361
1547993024,4cyclictest25-21ksoftirqd/112:28:211
1547993024,3cyclictest25-21ksoftirqd/109:27:591
1547993024,3cyclictest25-21ksoftirqd/108:45:481
1546993025,3cyclictest9-21ksoftirqd/011:07:170
1546993025,3cyclictest9-21ksoftirqd/009:53:000
1546993025,3cyclictest9-21ksoftirqd/008:27:250
1546993024,4cyclictest9-21ksoftirqd/012:22:110
1546993024,4cyclictest9-21ksoftirqd/012:02:490
1546993024,4cyclictest9-21ksoftirqd/011:50:520
1546993024,4cyclictest9-21ksoftirqd/011:49:360
1546993024,4cyclictest9-21ksoftirqd/008:24:450
1546993024,4cyclictest9-21ksoftirqd/008:12:300
1546993024,4cyclictest9-21ksoftirqd/008:12:300
1546993024,4cyclictest9-21ksoftirqd/007:56:010
1549992924,3cyclictest41-21ksoftirqd/310:57:093
1549992924,3cyclictest41-21ksoftirqd/310:00:493
1549992924,3cyclictest41-21ksoftirqd/308:45:113
1549992924,3cyclictest41-21ksoftirqd/308:42:293
1549992924,3cyclictest41-21ksoftirqd/307:55:133
1549992923,4cyclictest41-21ksoftirqd/311:39:373
1549992923,4cyclictest41-21ksoftirqd/307:43:573
1548992923,4cyclictest33-21ksoftirqd/209:41:022
1548992923,4cyclictest33-21ksoftirqd/209:41:022
1547992924,3cyclictest25-21ksoftirqd/108:10:001
1547992923,4cyclictest25-21ksoftirqd/110:01:311
1547992923,4cyclictest25-21ksoftirqd/107:33:071
1546992924,3cyclictest9-21ksoftirqd/011:58:550
1546992924,3cyclictest9-21ksoftirqd/009:56:040
1546992923,4cyclictest9-21ksoftirqd/007:41:090
1546992922,4cyclictest9-21ksoftirqd/008:00:100
154699291,3cyclictest121rcu_preempt08:45:240
1549992823,3cyclictest41-21ksoftirqd/312:25:213
1549992822,4cyclictest41-21ksoftirqd/312:10:113
1549992822,4cyclictest41-21ksoftirqd/311:46:433
1548992823,3cyclictest33-21ksoftirqd/212:15:052
1548992823,3cyclictest33-21ksoftirqd/209:36:522
1548992823,3cyclictest33-21ksoftirqd/209:28:022
1547992823,3cyclictest25-21ksoftirqd/112:10:191
1547992823,3cyclictest25-21ksoftirqd/107:10:161
1547992822,4cyclictest25-21ksoftirqd/109:36:151
1546992822,4cyclictest9-21ksoftirqd/011:21:320
1546992822,4cyclictest9-21ksoftirqd/007:20:550
138491280,0ptp4l401ktimersoftd/308:38:193
1549992721,4cyclictest41-21ksoftirqd/311:52:213
1548992722,3cyclictest33-21ksoftirqd/209:05:542
1548992722,3cyclictest33-21ksoftirqd/208:32:332
1548992722,3cyclictest33-21ksoftirqd/208:29:592
1548992722,3cyclictest33-21ksoftirqd/208:08:132
1547992721,3cyclictest25-21ksoftirqd/111:19:531
154799270,25cyclictest0-21swapper/107:19:331
1546992722,3cyclictest9-21ksoftirqd/010:15:380
1546992722,3cyclictest9-21ksoftirqd/007:47:050
1546992722,3cyclictest9-21ksoftirqd/007:27:490
1546992721,4cyclictest9-21ksoftirqd/012:15:330
1549992620,4cyclictest41-21ksoftirqd/307:29:443
1548992621,3cyclictest33-21ksoftirqd/207:16:072
1546992621,3cyclictest9-21ksoftirqd/012:37:020
1546992620,4cyclictest9-21ksoftirqd/010:36:390
1548992520,3cyclictest33-21ksoftirqd/211:48:342
1547992520,3cyclictest25-21ksoftirqd/108:20:281
1546992520,3cyclictest9-21ksoftirqd/010:53:550
138491250,0ptp4l401ktimersoftd/312:15:103
138491250,0ptp4l401ktimersoftd/310:26:193
1548992419,3cyclictest33-21ksoftirqd/209:30:392
1548992418,4cyclictest33-21ksoftirqd/209:12:452
1548992418,4cyclictest33-21ksoftirqd/209:12:452
1547992418,4cyclictest25-21ksoftirqd/110:35:261
1546992419,3cyclictest9-21ksoftirqd/010:47:430
1546992115,4cyclictest9-21ksoftirqd/010:03:170
1546991712,3cyclictest1303-21runrttasks11:30:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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