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2026-06-18 - 09:48
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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 Thu Jun 18, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
181622230164,21sleep10-21swapper/119:09:271
178702207173,22sleep30-21swapper/319:05:393
180192206171,23sleep20-21swapper/219:07:352
179802206172,22sleep00-21swapper/019:07:050
918721740,6sleep21849999cyclictest21:05:132
1820528161,11sleep20-21swapper/219:10:002
128172630,4sleep00-21swapper/021:10:250
101022600,2sleep10-21swapper/123:20:201
158442590,40sleep1231rcuc/121:20:011
46472550,2sleep30-21swapper/300:15:263
18497995043,4cyclictest7640-21cron00:25:000
1395914635,6phc2sys0-21swapper/319:10:003
18497994438,3cyclictest9-21ksoftirqd/000:20:000
18499994323,18cyclictest33-21ksoftirqd/222:50:002
18497994335,5cyclictest27972-21cron21:45:000
139291430,0ptp4l401ktimersoftd/320:16:133
18497994237,2cyclictest9-21ksoftirqd/022:40:000
18497994236,3cyclictest9-21ksoftirqd/023:40:000
139291420,0ptp4l401ktimersoftd/323:03:503
139291420,0ptp4l401ktimersoftd/322:45:373
139291420,0ptp4l401ktimersoftd/320:08:563
18499994136,2cyclictest33-21ksoftirqd/222:15:002
139291410,0ptp4l401ktimersoftd/322:28:483
18499994029,9cyclictest33-21ksoftirqd/221:00:142
18499994029,9cyclictest33-21ksoftirqd/220:34:502
18497994036,2cyclictest9-21ksoftirqd/022:10:000
18497994036,2cyclictest9-21ksoftirqd/022:00:000
18497994035,3cyclictest9-21ksoftirqd/020:50:000
139291400,0ptp4l401ktimersoftd/321:56:163
18500993932,4cyclictest41-21ksoftirqd/300:06:143
18499993932,4cyclictest33-21ksoftirqd/221:56:252
18497993935,2cyclictest9-21ksoftirqd/021:00:000
18497993933,3cyclictest9-21ksoftirqd/022:50:000
18500993833,3cyclictest41-21ksoftirqd/320:25:003
18500993833,3cyclictest41-21ksoftirqd/319:39:593
18500993833,3cyclictest41-21ksoftirqd/300:00:243
18500993833,3cyclictest217-21systemd-journal00:25:003
18499993832,4cyclictest33-21ksoftirqd/200:18:422
18499993831,4cyclictest33-21ksoftirqd/223:44:522
18497993834,2cyclictest9-21ksoftirqd/023:10:000
18497993834,2cyclictest9-21ksoftirqd/019:55:000
18497993833,3cyclictest9-21ksoftirqd/021:25:010
18497993833,3cyclictest9-21ksoftirqd/019:50:000
18497993833,2cyclictest9-21ksoftirqd/020:35:010
139291380,1ptp4l401ktimersoftd/320:44:373
18500993732,3cyclictest41-21ksoftirqd/322:45:003
18500993732,3cyclictest41-21ksoftirqd/320:45:443
18500993731,4cyclictest41-21ksoftirqd/321:43:533
18500993731,4cyclictest41-21ksoftirqd/319:55:423
18500993731,4cyclictest41-21ksoftirqd/300:27:093
18500993731,3cyclictest41-21ksoftirqd/321:50:013
18499993731,4cyclictest33-21ksoftirqd/222:36:562
18499993731,4cyclictest33-21ksoftirqd/220:45:352
18498993732,3cyclictest25-21ksoftirqd/123:50:131
18498993732,3cyclictest25-21ksoftirqd/120:10:401
18498993731,4cyclictest25-21ksoftirqd/122:32:541
18498993730,4cyclictest25-21ksoftirqd/122:10:001
18497993732,3cyclictest9-21ksoftirqd/022:10:060
18497993732,3cyclictest9-21ksoftirqd/019:30:000
18497993731,4cyclictest9-21ksoftirqd/021:08:490
18497993731,3cyclictest9-21ksoftirqd/020:20:000
18497993730,4cyclictest9-21ksoftirqd/000:37:330
139291370,1ptp4l391rcuc/321:05:183
18500993632,3cyclictest41-21ksoftirqd/322:55:003
18500993632,3cyclictest41-21ksoftirqd/322:55:003
18500993631,3cyclictest41-21ksoftirqd/323:19:173
18500993631,3cyclictest41-21ksoftirqd/300:14:123
18500993630,4cyclictest41-21ksoftirqd/323:59:093
18500993630,4cyclictest41-21ksoftirqd/323:23:143
18500993630,4cyclictest41-21ksoftirqd/320:53:103
18499993631,3cyclictest33-21ksoftirqd/223:00:002
18499993630,4cyclictest33-21ksoftirqd/223:24:462
18499993630,4cyclictest33-21ksoftirqd/220:10:532
18498993630,4cyclictest25-21ksoftirqd/123:26:211
18498993630,4cyclictest25-21ksoftirqd/100:16:401
18498993630,3cyclictest25-21ksoftirqd/121:21:121
18498993630,3cyclictest25-21ksoftirqd/100:20:111
18497993630,4cyclictest9-21ksoftirqd/021:18:310
18497993630,4cyclictest9-21ksoftirqd/020:21:060
18497993630,4cyclictest9-21ksoftirqd/000:34:310
18497993630,3cyclictest9-21ksoftirqd/023:49:590
18497993630,3cyclictest9-21ksoftirqd/023:00:120
18497993630,3cyclictest9-21ksoftirqd/022:55:000
18497993630,3cyclictest9-21ksoftirqd/022:54:590
18497993630,3cyclictest9-21ksoftirqd/021:55:000
18497993630,3cyclictest9-21ksoftirqd/021:55:000
18497993630,3cyclictest9-21ksoftirqd/021:30:000
1395913630,3phc2sys41-21ksoftirqd/300:30:153
18500993530,3cyclictest41-21ksoftirqd/323:34:263
18500993530,3cyclictest41-21ksoftirqd/320:00:123
18500993530,3cyclictest41-21ksoftirqd/319:32:343
18500993530,3cyclictest41-21ksoftirqd/319:20:203
18500993530,3cyclictest41-21ksoftirqd/319:15:583
18500993529,4cyclictest41-21ksoftirqd/321:14:053
18499993530,3cyclictest33-21ksoftirqd/223:56:172
18499993530,3cyclictest33-21ksoftirqd/223:50:192
18499993530,3cyclictest33-21ksoftirqd/221:52:162
18499993530,3cyclictest33-21ksoftirqd/221:52:162
18499993530,3cyclictest33-21ksoftirqd/221:20:002
18499993530,3cyclictest33-21ksoftirqd/219:44:572
18499993530,3cyclictest33-21ksoftirqd/200:35:112
18499993529,4cyclictest33-21ksoftirqd/223:46:152
18499993529,4cyclictest33-21ksoftirqd/221:25:352
18499993529,4cyclictest33-21ksoftirqd/221:11:112
18499993529,4cyclictest33-21ksoftirqd/219:55:462
18499993529,4cyclictest33-21ksoftirqd/200:22:112
18499993529,4cyclictest33-21ksoftirqd/200:08:112
18499993529,3cyclictest33-21ksoftirqd/222:20:032
18499993529,3cyclictest33-21ksoftirqd/222:20:032
18499993529,3cyclictest33-21ksoftirqd/222:05:082
18498993530,3cyclictest25-21ksoftirqd/122:10:351
18498993530,3cyclictest25-21ksoftirqd/121:47:241
18498993530,3cyclictest25-21ksoftirqd/120:02:421
18498993530,3cyclictest25-21ksoftirqd/119:46:411
18498993529,4cyclictest25-21ksoftirqd/122:52:031
18498993529,4cyclictest25-21ksoftirqd/122:52:031
18498993529,4cyclictest25-21ksoftirqd/122:43:331
18498993529,4cyclictest25-21ksoftirqd/122:04:091
18498993529,4cyclictest25-21ksoftirqd/121:58:241
18498993529,4cyclictest25-21ksoftirqd/120:35:511
18498993529,4cyclictest25-21ksoftirqd/119:52:231
18498993529,4cyclictest25-21ksoftirqd/119:39:191
18498993529,4cyclictest25-21ksoftirqd/100:07:571
18498993529,3cyclictest25-21ksoftirqd/119:24:461
18498993528,4cyclictest25-21ksoftirqd/120:53:541
18497993531,2cyclictest9-21ksoftirqd/019:20:000
18497993531,2cyclictest9-21ksoftirqd/019:15:000
18497993530,3cyclictest9-21ksoftirqd/022:25:000
18497993530,3cyclictest9-21ksoftirqd/022:25:000
18497993530,3cyclictest9-21ksoftirqd/022:20:000
18497993530,3cyclictest9-21ksoftirqd/019:55:240
18497993529,4cyclictest9-21ksoftirqd/020:28:040
18497993529,3cyclictest9-21ksoftirqd/023:10:140
18497993529,3cyclictest9-21ksoftirqd/022:40:150
18497993529,3cyclictest9-21ksoftirqd/019:40:280
41298340,2rtkit-daemon411-21rtkit-daemon20:55:201
18500993429,3cyclictest41-21ksoftirqd/319:55:003
18500993428,4cyclictest41-21ksoftirqd/322:31:233
18500993428,4cyclictest41-21ksoftirqd/322:16:193
18499993429,3cyclictest33-21ksoftirqd/223:06:452
18499993429,3cyclictest33-21ksoftirqd/223:03:482
18499993429,3cyclictest33-21ksoftirqd/222:30:132
18499993429,3cyclictest33-21ksoftirqd/222:17:002
18499993429,3cyclictest33-21ksoftirqd/219:37:152
18499993428,4cyclictest33-21ksoftirqd/221:33:422
18499993428,4cyclictest33-21ksoftirqd/219:46:542
18499993428,3cyclictest33-21ksoftirqd/223:39:002
18499993422,9cyclictest33-21ksoftirqd/222:00:122
18498993429,3cyclictest25-21ksoftirqd/119:55:311
18498993428,4cyclictest25-21ksoftirqd/121:41:551
18498993428,4cyclictest25-21ksoftirqd/121:07:291
18498993428,4cyclictest25-21ksoftirqd/121:00:151
18498993428,4cyclictest25-21ksoftirqd/120:46:391
18498993428,4cyclictest25-21ksoftirqd/100:00:511
18498993427,4cyclictest25-21ksoftirqd/119:40:071
1849799345,3cyclictest9-21ksoftirqd/021:30:170
18497993430,2cyclictest9-21ksoftirqd/021:50:000
18497993429,3cyclictest9-21ksoftirqd/020:39:200
18497993429,3cyclictest9-21ksoftirqd/000:25:180
18497993428,4cyclictest9-21ksoftirqd/019:39:220
18497993428,3cyclictest9-21ksoftirqd/023:58:300
18497993428,3cyclictest9-21ksoftirqd/023:30:170
18497993428,3cyclictest9-21ksoftirqd/023:20:000
18497993428,3cyclictest9-21ksoftirqd/021:05:000
18497993428,3cyclictest9-21ksoftirqd/000:05:010
18497993428,2cyclictest9-21ksoftirqd/020:05:010
18497993427,5cyclictest9-21ksoftirqd/023:27:000
1849799341,2cyclictest121rcu_preempt22:00:170
18500993329,3cyclictest41-21ksoftirqd/321:25:193
18500993328,3cyclictest41-21ksoftirqd/323:46:223
18500993328,3cyclictest41-21ksoftirqd/320:56:483
18500993328,3cyclictest41-21ksoftirqd/320:30:003
18500993328,3cyclictest41-21ksoftirqd/319:28:473
18500993327,4cyclictest41-21ksoftirqd/323:43:443
18500993327,4cyclictest41-21ksoftirqd/322:11:063
18500993327,4cyclictest41-21ksoftirqd/321:01:293
18500993327,4cyclictest41-21ksoftirqd/320:11:153
18500993327,4cyclictest41-21ksoftirqd/319:42:463
18500993327,3cyclictest41-21ksoftirqd/321:50:173
18500993327,3cyclictest41-21ksoftirqd/321:50:173
18500993322,9cyclictest41-21ksoftirqd/321:35:133
18499993329,3cyclictest33-21ksoftirqd/220:05:112
18499993328,3cyclictest33-21ksoftirqd/222:44:062
18499993328,3cyclictest33-21ksoftirqd/220:19:252
18499993328,3cyclictest33-21ksoftirqd/219:50:522
18499993328,3cyclictest33-21ksoftirqd/219:25:112
18499993328,3cyclictest33-21ksoftirqd/219:24:512
18499993327,4cyclictest33-21ksoftirqd/220:23:012
18499993327,3cyclictest33-21ksoftirqd/221:25:012
18498993329,2cyclictest25-21ksoftirqd/119:20:001
18498993328,3cyclictest25-21ksoftirqd/123:55:591
18498993328,3cyclictest25-21ksoftirqd/123:44:511
18498993328,3cyclictest25-21ksoftirqd/123:12:331
18498993328,3cyclictest25-21ksoftirqd/120:20:391
18498993327,4cyclictest25-21ksoftirqd/123:19:431
18498993327,4cyclictest25-21ksoftirqd/120:28:051
18498993327,4cyclictest25-21ksoftirqd/100:31:241
18498993327,3cyclictest25-21ksoftirqd/119:33:171
18498993327,3cyclictest25-21ksoftirqd/119:27:321
18497993329,2cyclictest9-21ksoftirqd/023:20:190
18497993328,3cyclictest9-21ksoftirqd/021:35:180
18497993328,3cyclictest9-21ksoftirqd/020:40:130
18497993328,3cyclictest9-21ksoftirqd/019:30:090
18497993327,4cyclictest9-21ksoftirqd/022:33:050
18497993327,4cyclictest9-21ksoftirqd/019:23:420
18497993327,3cyclictest9-21ksoftirqd/022:25:260
18500993228,3cyclictest41-21ksoftirqd/323:10:003
18500993228,2cyclictest41-21ksoftirqd/321:20:013
18500993228,2cyclictest41-21ksoftirqd/300:40:013
18500993227,3cyclictest41-21ksoftirqd/323:40:013
18500993227,3cyclictest41-21ksoftirqd/322:38:103
18500993227,3cyclictest41-21ksoftirqd/319:46:513
18499993227,3cyclictest33-21ksoftirqd/220:01:142
18499993227,3cyclictest33-21ksoftirqd/219:20:012
18499993226,4cyclictest33-21ksoftirqd/221:49:422
18499993226,4cyclictest33-21ksoftirqd/220:26:342
18499993226,4cyclictest33-21ksoftirqd/219:31:092
18498993227,4cyclictest25-21ksoftirqd/122:17:171
18498993227,3cyclictest25-21ksoftirqd/122:56:491
18498993227,3cyclictest25-21ksoftirqd/122:27:391
18498993227,3cyclictest25-21ksoftirqd/121:39:421
18498993226,4cyclictest25-21ksoftirqd/120:16:181
18498993226,3cyclictest25-21ksoftirqd/120:32:231
18498993226,3cyclictest13700-21uname20:05:181
18497993227,2cyclictest9-21ksoftirqd/023:50:140
18497993225,4cyclictest9-21ksoftirqd/020:50:270
1849799320,2cyclictest121rcu_preempt23:00:000
18500993126,3cyclictest41-21ksoftirqd/322:58:423
18500993125,4cyclictest41-21ksoftirqd/321:32:263
18500993120,9cyclictest41-21ksoftirqd/323:10:143
18499993127,2cyclictest33-21ksoftirqd/223:30:172
18499993126,3cyclictest33-21ksoftirqd/221:39:462
18499993126,3cyclictest33-21ksoftirqd/200:30:562
18499993126,3cyclictest33-21ksoftirqd/200:01:242
18499993125,4cyclictest33-21ksoftirqd/223:25:572
18499993125,4cyclictest33-21ksoftirqd/200:27:272
18499993125,3cyclictest33-21ksoftirqd/222:50:112
18499993125,3cyclictest33-21ksoftirqd/222:50:112
18498993126,3cyclictest25-21ksoftirqd/122:37:351
18498993125,4cyclictest25-21ksoftirqd/123:45:471
18497993126,3cyclictest9-21ksoftirqd/020:05:170
18497993126,2cyclictest9-21ksoftirqd/023:44:590
18497993125,3cyclictest9-21ksoftirqd/020:15:000
18500993025,3cyclictest41-21ksoftirqd/323:28:583
18499993025,3cyclictest33-21ksoftirqd/223:15:432
18499993025,3cyclictest33-21ksoftirqd/221:42:042
18499993025,3cyclictest33-21ksoftirqd/200:10:122
18499993024,4cyclictest33-21ksoftirqd/220:59:202
18498993023,4cyclictest25-21ksoftirqd/121:50:331
18498993023,4cyclictest25-21ksoftirqd/121:50:331
18497993025,3cyclictest9-21ksoftirqd/000:07:030
139291300,0ptp4l401ktimersoftd/322:03:043
18500992924,3cyclictest41-21ksoftirqd/322:21:353
18500992924,3cyclictest41-21ksoftirqd/322:21:353
18499992923,4cyclictest33-21ksoftirqd/220:52:532
18498992924,3cyclictest25-21ksoftirqd/121:34:001
18498992923,4cyclictest25-21ksoftirqd/123:32:151
18498992923,4cyclictest25-21ksoftirqd/122:45:531
18497992922,4cyclictest9-21ksoftirqd/000:13:020
139291290,0ptp4l401ktimersoftd/323:53:073
18499992823,3cyclictest33-21ksoftirqd/223:11:512
18499992823,3cyclictest33-21ksoftirqd/220:40:322
18498992823,3cyclictest25-21ksoftirqd/121:26:541
18498992823,3cyclictest25-21ksoftirqd/100:13:371
18498992822,3cyclictest25-21ksoftirqd/123:35:351
139291280,0ptp4l401ktimersoftd/322:08:313
139291280,0ptp4l401ktimersoftd/320:34:063
18500992722,3cyclictest41-21ksoftirqd/321:23:353
18499992722,3cyclictest33-21ksoftirqd/220:35:162
18498992722,3cyclictest2637-21grep23:05:191
18498992722,3cyclictest25-21ksoftirqd/119:11:551
18498992722,3cyclictest25-21ksoftirqd/100:35:291
18499992620,3cyclictest33-21ksoftirqd/222:25:122
18498992621,3cyclictest25-21ksoftirqd/122:21:341
18498992621,3cyclictest25-21ksoftirqd/122:21:341
18500992520,3cyclictest41-21ksoftirqd/320:35:183
18498992520,3cyclictest25-21ksoftirqd/121:13:101
18498992419,3cyclictest25-21ksoftirqd/120:41:411
18498992418,4cyclictest25-21ksoftirqd/123:04:231
18498991813,3cyclictest8172-21expr00:25:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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