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2026-06-27 - 16:44
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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 Sat Jun 27, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591251192,50phc2sys0-21swapper/307:06:593
161692237170,22sleep20-21swapper/207:09:052
160592207167,21sleep00-21swapper/007:07:380
162052206172,22sleep10-21swapper/107:09:331
139291640,1ptp4l401ktimersoftd/308:06:593
318022620,4sleep11653899cyclictest07:40:171
139291560,1ptp4l401ktimersoftd/311:30:443
160142550,3sleep30-21swapper/310:30:003
139291540,1ptp4l401ktimersoftd/308:27:143
139291530,1ptp4l401ktimersoftd/312:01:273
16539994626,18cyclictest33-21ksoftirqd/211:35:002
1653799460,8cyclictest9-21ksoftirqd/009:20:010
1653799458,8cyclictest9-21ksoftirqd/008:50:160
1653799454,3cyclictest121rcu_preempt08:25:280
135191450,7getstats1654099cyclictest08:46:203
1653799444,3cyclictest9-21ksoftirqd/009:20:160
1653799442,9cyclictest9-21ksoftirqd/010:50:190
1653799435,4cyclictest121rcu_preempt11:50:000
1653799431,10cyclictest9-21ksoftirqd/008:45:010
16538994236,3cyclictest25-21ksoftirqd/109:15:011
1653799428,4cyclictest9-21ksoftirqd/009:00:000
1653799426,3cyclictest9-21ksoftirqd/010:25:170
1653799422,7cyclictest9-21ksoftirqd/008:03:570
1653799421,2cyclictest121rcu_preempt09:02:190
1624624232,3sleep00-21swapper/007:10:000
139291420,1ptp4l401ktimersoftd/312:25:063
139291420,0ptp4l401ktimersoftd/309:40:133
16540994136,3cyclictest31313-21awk12:10:003
16540994133,5cyclictest41-21ksoftirqd/309:20:003
16538994136,3cyclictest25-21ksoftirqd/109:20:001
16538994125,4cyclictest25-21ksoftirqd/111:55:261
16538994125,4cyclictest25-21ksoftirqd/110:25:211
16538994125,3cyclictest25-21ksoftirqd/110:15:241
16538994125,3cyclictest25-21ksoftirqd/108:10:261
1653799416,3cyclictest121rcu_preempt09:45:010
1653799416,3cyclictest121rcu_preempt09:30:250
1653799415,3cyclictest9-21ksoftirqd/011:15:150
1653799411,3cyclictest121rcu_preempt07:15:200
139291410,0ptp4l401ktimersoftd/310:55:453
135191410,2getstats0-21swapper/310:11:213
16539994035,3cyclictest33-21ksoftirqd/212:40:012
16539994034,3cyclictest33-21ksoftirqd/211:05:012
16538994035,3cyclictest25-21ksoftirqd/112:40:001
16538994025,4cyclictest25-21ksoftirqd/112:20:231
16538994025,4cyclictest25-21ksoftirqd/111:45:281
16538994025,3cyclictest25-21ksoftirqd/109:35:201
16538994025,3cyclictest25-21ksoftirqd/107:10:281
16538994024,4cyclictest25-21ksoftirqd/110:10:141
1653799406,3cyclictest9-21ksoftirqd/008:05:230
1653799405,2cyclictest121rcu_preempt12:20:170
1653799404,3cyclictest9-21ksoftirqd/011:00:140
1653799403,3cyclictest121rcu_preempt08:10:200
1653799400,7cyclictest9-21ksoftirqd/007:25:170
16540993933,4cyclictest41-21ksoftirqd/308:51:483
16539993926,10cyclictest33-21ksoftirqd/210:15:192
16538993935,2cyclictest25-21ksoftirqd/110:05:011
16538993934,3cyclictest25-21ksoftirqd/111:35:281
16538993933,3cyclictest25-21ksoftirqd/109:35:001
16538993932,4cyclictest25-21ksoftirqd/108:52:051
16538993926,3cyclictest25-21ksoftirqd/108:00:161
16538993925,3cyclictest25-21ksoftirqd/110:05:281
16538993925,3cyclictest25-21ksoftirqd/109:40:201
16538993924,4cyclictest25-21ksoftirqd/110:45:271
16538993924,4cyclictest25-21ksoftirqd/108:30:271
16538993924,3cyclictest25-21ksoftirqd/111:50:201
16538993924,3cyclictest25-21ksoftirqd/109:55:231
16538993924,3cyclictest25-21ksoftirqd/108:05:241
16538993924,3cyclictest25-21ksoftirqd/107:25:241
16538993924,3cyclictest25-21ksoftirqd/107:20:171
1653799394,3cyclictest121rcu_preempt11:15:000
1653799394,3cyclictest121rcu_preempt11:05:320
1653799392,8cyclictest121rcu_preempt10:55:180
1653799392,3cyclictest121rcu_preempt11:55:170
1653799391,3cyclictest9-21ksoftirqd/010:20:120
1653799391,3cyclictest9-21ksoftirqd/010:20:120
1653799390,8cyclictest9-21ksoftirqd/012:30:160
1653799390,2cyclictest121rcu_preempt10:09:060
41298380,23rtkit-daemon19548-21apt-get09:30:102
16540993832,4cyclictest41-21ksoftirqd/311:43:223
16540993832,4cyclictest41-21ksoftirqd/308:04:583
16540993832,4cyclictest41-21ksoftirqd/307:19:243
16539993832,4cyclictest33-21ksoftirqd/212:27:012
16539993830,4cyclictest33-21ksoftirqd/207:55:032
16539993816,14cyclictest33-21ksoftirqd/210:50:192
16538993831,4cyclictest25-21ksoftirqd/112:30:011
16538993824,3cyclictest25-21ksoftirqd/111:20:241
16538993824,3cyclictest25-21ksoftirqd/110:30:191
16538993824,3cyclictest25-21ksoftirqd/110:20:181
16538993824,3cyclictest25-21ksoftirqd/110:20:181
16538993824,3cyclictest25-21ksoftirqd/109:20:261
16538993823,4cyclictest25-21ksoftirqd/112:10:131
16538993823,3cyclictest25-21ksoftirqd/110:35:151
16538993823,3cyclictest25-21ksoftirqd/108:55:151
16538993823,3cyclictest25-21ksoftirqd/108:15:171
16538993823,3cyclictest25-21ksoftirqd/107:45:161
1653799385,2cyclictest121rcu_preempt10:00:130
1653799383,3cyclictest121rcu_preempt10:10:190
16537993833,3cyclictest9-21ksoftirqd/012:25:270
16537993831,4cyclictest9-21ksoftirqd/010:49:590
1653799382,8cyclictest9-21ksoftirqd/007:30:170
1653799380,5cyclictest9-21ksoftirqd/011:25:000
139291380,14ptp4l401ktimersoftd/310:05:353
139291380,0ptp4l401ktimersoftd/307:55:303
16540993731,4cyclictest41-21ksoftirqd/311:45:033
16540993731,4cyclictest41-21ksoftirqd/311:24:373
16540993731,4cyclictest41-21ksoftirqd/309:32:283
16540993731,4cyclictest41-21ksoftirqd/309:29:553
16540993731,3cyclictest41-21ksoftirqd/307:38:243
16539993732,3cyclictest33-21ksoftirqd/207:10:212
16539993731,4cyclictest33-21ksoftirqd/212:21:112
16539993731,4cyclictest33-21ksoftirqd/212:05:392
16539993731,4cyclictest33-21ksoftirqd/210:28:402
16539993731,4cyclictest33-21ksoftirqd/208:32:572
16539993731,3cyclictest33-21ksoftirqd/211:25:212
16538993732,3cyclictest25-21ksoftirqd/110:55:011
16538993724,4cyclictest25-21ksoftirqd/112:34:591
16538993723,3cyclictest25-21ksoftirqd/112:00:231
16538993723,3cyclictest25-21ksoftirqd/111:30:171
16538993723,3cyclictest25-21ksoftirqd/110:55:241
16538993723,3cyclictest25-21ksoftirqd/108:40:151
16538993723,3cyclictest25-21ksoftirqd/108:25:231
16538993722,4cyclictest25-21ksoftirqd/112:15:201
16538993722,4cyclictest25-21ksoftirqd/109:25:171
16538993722,4cyclictest25-21ksoftirqd/108:45:221
16538993722,4cyclictest25-21ksoftirqd/107:50:151
16538993722,3cyclictest25-21ksoftirqd/111:40:241
16538993722,3cyclictest25-21ksoftirqd/111:00:221
16538993721,4cyclictest25-21ksoftirqd/108:20:171
1653799375,3cyclictest121rcu_preempt09:05:190
1653799374,2cyclictest121rcu_preempt09:55:170
16537993731,3cyclictest9-21ksoftirqd/012:20:010
16537993730,4cyclictest9-21ksoftirqd/010:32:230
1653799372,3cyclictest121rcu_preempt07:35:180
1653799372,2cyclictest121rcu_preempt11:30:370
16537993720,6cyclictest9-21ksoftirqd/009:25:160
1653799371,7cyclictest9-21ksoftirqd/008:20:270
1653799371,3cyclictest121rcu_preempt09:37:440
16540993631,3cyclictest41-21ksoftirqd/311:26:173
16540993631,3cyclictest41-21ksoftirqd/308:12:133
16540993631,3cyclictest41-21ksoftirqd/307:14:163
16540993630,4cyclictest41-21ksoftirqd/309:12:063
16540993630,4cyclictest41-21ksoftirqd/309:03:283
16540993630,4cyclictest41-21ksoftirqd/308:31:183
16540993629,4cyclictest41-21ksoftirqd/311:54:103
1653999369,9cyclictest33-21ksoftirqd/211:05:192
16539993631,3cyclictest33-21ksoftirqd/209:40:192
16539993631,3cyclictest33-21ksoftirqd/208:10:202
16539993630,4cyclictest33-21ksoftirqd/211:50:512
16539993630,4cyclictest33-21ksoftirqd/211:46:452
16539993630,4cyclictest33-21ksoftirqd/210:40:142
16539993630,4cyclictest33-21ksoftirqd/209:14:382
16539993630,4cyclictest33-21ksoftirqd/207:42:232
1653999361,7cyclictest0-21swapper/208:25:252
16538993632,2cyclictest25-21ksoftirqd/107:35:011
16538993630,4cyclictest25-21ksoftirqd/107:38:171
16538993630,3cyclictest25-21ksoftirqd/112:10:001
16538993630,3cyclictest25-21ksoftirqd/107:55:171
16538993622,3cyclictest25-21ksoftirqd/111:15:241
16538993622,3cyclictest25-21ksoftirqd/107:15:241
16538993621,4cyclictest25-21ksoftirqd/111:25:241
16538993621,4cyclictest25-21ksoftirqd/110:40:141
16538993621,3cyclictest25-21ksoftirqd/109:00:181
16538993620,3cyclictest25-21ksoftirqd/108:35:171
1653799364,3cyclictest121rcu_preempt07:50:170
16537993631,3cyclictest9-21ksoftirqd/011:30:000
16537993631,3cyclictest9-21ksoftirqd/008:30:260
16537993630,3cyclictest9-21ksoftirqd/012:35:280
16537993629,4cyclictest9-21ksoftirqd/010:16:060
16537993629,4cyclictest9-21ksoftirqd/008:38:080
1653799362,3cyclictest121rcu_preempt07:45:250
1653799361,3cyclictest121rcu_preempt12:15:010
16540993530,3cyclictest41-21ksoftirqd/312:21:053
16539993531,3cyclictest33-21ksoftirqd/209:35:192
16539993530,3cyclictest33-21ksoftirqd/212:15:012
16539993530,3cyclictest33-21ksoftirqd/210:35:202
16539993530,3cyclictest33-21ksoftirqd/207:55:002
16539993529,4cyclictest33-21ksoftirqd/210:14:432
16539993529,4cyclictest33-21ksoftirqd/208:05:292
16539993529,4cyclictest33-21ksoftirqd/207:37:442
16538993529,4cyclictest25-21ksoftirqd/111:12:351
1653799353,3cyclictest121rcu_preempt08:20:010
16537993530,3cyclictest9-21ksoftirqd/010:35:150
16537993529,4cyclictest9-21ksoftirqd/007:43:440
16540993429,3cyclictest41-21ksoftirqd/311:19:033
16540993429,3cyclictest41-21ksoftirqd/311:03:383
16540993429,3cyclictest41-21ksoftirqd/310:40:003
16540993428,4cyclictest41-21ksoftirqd/309:24:463
16540993428,4cyclictest41-21ksoftirqd/307:22:173
1653999345,20cyclictest33-21ksoftirqd/211:15:002
16539993429,3cyclictest33-21ksoftirqd/211:19:592
16539993428,4cyclictest33-21ksoftirqd/212:16:192
16539993428,4cyclictest33-21ksoftirqd/209:21:442
16539993428,3cyclictest33-21ksoftirqd/210:10:002
16539993422,10cyclictest33-21ksoftirqd/210:45:242
1653999341,7cyclictest121rcu_preempt10:30:252
1653899343,8cyclictest25-21ksoftirqd/109:50:001
16538993429,3cyclictest25-21ksoftirqd/111:07:091
16538993428,4cyclictest25-21ksoftirqd/109:05:541
1653799345,5cyclictest9-21ksoftirqd/009:10:250
16537993429,3cyclictest9-21ksoftirqd/011:40:000
1653799340,7cyclictest9-21ksoftirqd/010:40:140
16540993328,3cyclictest41-21ksoftirqd/312:36:533
16540993327,4cyclictest41-21ksoftirqd/312:10:413
16540993327,4cyclictest41-21ksoftirqd/308:41:163
16540993326,4cyclictest41-21ksoftirqd/311:38:093
16539993329,3cyclictest33-21ksoftirqd/207:45:132
16539993328,3cyclictest33-21ksoftirqd/212:04:042
16539993328,3cyclictest33-21ksoftirqd/210:24:592
16539993328,3cyclictest33-21ksoftirqd/210:24:592
16539993328,3cyclictest33-21ksoftirqd/209:55:182
16539993328,3cyclictest33-21ksoftirqd/209:53:012
16539993328,3cyclictest33-21ksoftirqd/209:20:012
16539993328,3cyclictest33-21ksoftirqd/208:50:212
16539993328,3cyclictest33-21ksoftirqd/208:45:252
16539993328,3cyclictest33-21ksoftirqd/208:40:202
16539993328,3cyclictest33-21ksoftirqd/208:40:002
16539993328,3cyclictest33-21ksoftirqd/208:21:562
16539993327,4cyclictest33-21ksoftirqd/209:25:122
16539993327,4cyclictest33-21ksoftirqd/207:31:402
16539993327,4cyclictest33-21ksoftirqd/207:16:432
16539993327,3cyclictest33-21ksoftirqd/212:30:152
16539993327,3cyclictest33-21ksoftirqd/211:35:192
16538993328,3cyclictest25-21ksoftirqd/109:50:271
1653799336,3cyclictest121rcu_preempt12:05:260
1653799335,3cyclictest121rcu_preempt12:00:230
1653799335,3cyclictest121rcu_preempt07:20:150
1653799333,2cyclictest121rcu_preempt09:50:230
16537993318,4cyclictest9-21ksoftirqd/007:55:000
16540993227,3cyclictest41-21ksoftirqd/310:46:503
16540993227,3cyclictest41-21ksoftirqd/309:09:463
16540993227,3cyclictest41-21ksoftirqd/308:35:143
16540993227,3cyclictest41-21ksoftirqd/307:41:483
16540993226,4cyclictest41-21ksoftirqd/310:41:563
1653999328,17cyclictest33-21ksoftirqd/208:00:122
16539993228,3cyclictest33-21ksoftirqd/207:25:002
16539993227,3cyclictest33-21ksoftirqd/211:41:392
16539993226,4cyclictest33-21ksoftirqd/209:01:372
16537993226,4cyclictest9-21ksoftirqd/011:50:040
16537993226,4cyclictest9-21ksoftirqd/011:41:140
16537993226,3cyclictest9-21ksoftirqd/008:45:220
139291320,0ptp4l401ktimersoftd/311:56:193
139291320,0ptp4l401ktimersoftd/309:55:063
139291320,0ptp4l401ktimersoftd/309:47:213
16540993126,3cyclictest41-21ksoftirqd/309:55:013
16540993126,3cyclictest41-21ksoftirqd/307:45:323
16540993125,4cyclictest41-21ksoftirqd/310:34:453
16539993126,3cyclictest33-21ksoftirqd/210:59:042
16539993126,3cyclictest33-21ksoftirqd/208:20:002
16539993125,3cyclictest33-21ksoftirqd/211:25:002
1653799315,3cyclictest121rcu_preempt09:45:200
139291310,0ptp4l401ktimersoftd/309:35:143
139291310,0ptp4l401ktimersoftd/308:18:443
16540993025,3cyclictest41-21ksoftirqd/312:19:413
16540993025,3cyclictest41-21ksoftirqd/310:20:253
16540993025,3cyclictest41-21ksoftirqd/310:20:253
16539993025,3cyclictest33-21ksoftirqd/210:03:072
16539993025,3cyclictest33-21ksoftirqd/209:45:082
16539993025,3cyclictest33-21ksoftirqd/207:25:192
16539993024,4cyclictest33-21ksoftirqd/211:57:512
139291300,0ptp4l401ktimersoftd/312:31:543
139291300,0ptp4l401ktimersoftd/308:57:363
16540992924,3cyclictest41-21ksoftirqd/310:00:183
16540992924,3cyclictest41-21ksoftirqd/308:22:363
16540992823,3cyclictest41-21ksoftirqd/307:54:013
16540992722,3cyclictest41-21ksoftirqd/307:30:193
16540992721,4cyclictest41-21ksoftirqd/310:52:153
16539992724,2cyclictest33-21ksoftirqd/208:55:242
16539992722,3cyclictest33-21ksoftirqd/209:06:322
16540992621,3cyclictest41-21ksoftirqd/311:09:123
16540992621,3cyclictest41-21ksoftirqd/307:25:193
139291240,0ptp4l401ktimersoftd/311:10:143
139291230,0ptp4l401ktimersoftd/310:15:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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