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2025-08-27 - 19:54
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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 rackdslot3.osadl.org (updated Wed Aug 27, 2025 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191204170,22phc2sys0-21swapper/307:08:303
155312195161,23sleep20-21swapper/207:09:262
156102188156,22sleep00-21swapper/007:09:560
154182150117,22sleep10-21swapper/107:08:411
1780921400,7sleep01592099cyclictest07:11:200
159242710,4sleep2311rcuc/207:10:012
86982650,2sleep31592399cyclictest07:23:433
210202630,6sleep11592199cyclictest08:35:141
177302630,3sleep117662-21execl07:10:341
298242620,4sleep029849-21spawn07:24:290
96912610,3sleep19702-21sh07:30:571
275962590,4sleep327591-21od07:28:323
164602580,4sleep315618-21execl07:10:193
116382570,2sleep30-21swapper/311:35:253
15922995613,9cyclictest33-21ksoftirqd/207:29:372
15922995416,8cyclictest33-21ksoftirqd/207:24:022
15922995413,10cyclictest33-21ksoftirqd/207:30:022
130902510,4sleep310580-1kworker/3:2H11:40:193
97832480,2sleep09746-21sh07:29:470
15922994710,35cyclictest7530-21kworker/2:209:15:272
1592399467,3cyclictest41-21ksoftirqd/307:32:273
59298450,4rtkit-daemon25-21ksoftirqd/107:28:251
15922994432,2cyclictest33-21ksoftirqd/211:35:162
1592299442,4cyclictest33-21ksoftirqd/212:15:212
1592299442,4cyclictest33-21ksoftirqd/212:15:202
15922994338,3cyclictest33-21ksoftirqd/211:20:002
136991430,0ptp4l401ktimersoftd/307:17:173
1592299422,3cyclictest33-21ksoftirqd/207:16:512
1592299416,6cyclictest33-21ksoftirqd/208:55:002
1592299416,3cyclictest33-21ksoftirqd/207:45:002
1592299411,3cyclictest121rcu_preempt07:50:272
59298400,5rtkit-daemon21592-21unixbench_singl09:40:281
15923994036,2cyclictest41-21ksoftirqd/311:00:013
15923994035,3cyclictest29083-21idleruntime-cro07:45:003
1592299408,3cyclictest33-21ksoftirqd/209:50:152
1592299406,4cyclictest33-21ksoftirqd/210:20:212
1592299405,3cyclictest33-21ksoftirqd/207:55:262
1592299402,3cyclictest33-21ksoftirqd/212:15:002
15922994010,3cyclictest33-21ksoftirqd/211:30:012
1592099404,8cyclictest9-21ksoftirqd/007:32:220
136991400,1ptp4l401ktimersoftd/308:55:163
136991400,0ptp4l401ktimersoftd/312:32:063
1592399399,4cyclictest41-21ksoftirqd/308:10:243
1592299394,2cyclictest33-21ksoftirqd/211:50:232
15922993933,3cyclictest33-21ksoftirqd/212:25:002
15922993933,3cyclictest33-21ksoftirqd/211:05:012
1592299390,5cyclictest33-21ksoftirqd/212:25:272
1592299390,10cyclictest33-21ksoftirqd/212:00:202
15921993934,3cyclictest24204-21cron12:05:011
1592399383,2cyclictest121rcu_preempt12:19:013
1592399383,2cyclictest121rcu_preempt12:19:013
15923993824,3cyclictest41-21ksoftirqd/307:55:173
15922993834,2cyclictest33-21ksoftirqd/207:50:012
15922993834,2cyclictest311rcuc/210:00:002
1592299383,3cyclictest33-21ksoftirqd/212:30:242
1592299383,3cyclictest121rcu_preempt10:15:002
1592299382,4cyclictest33-21ksoftirqd/212:08:252
15922993821,3cyclictest33-21ksoftirqd/208:40:152
15923993732,3cyclictest41-21ksoftirqd/308:30:023
15923993731,4cyclictest41-21ksoftirqd/310:55:013
15923993723,3cyclictest41-21ksoftirqd/309:55:163
15923993722,4cyclictest41-21ksoftirqd/309:45:293
15923993722,3cyclictest41-21ksoftirqd/312:05:283
15923993722,3cyclictest41-21ksoftirqd/309:40:223
1592299374,3cyclictest33-21ksoftirqd/207:35:212
1592299373,3cyclictest33-21ksoftirqd/208:30:012
1592299373,3cyclictest121rcu_preempt09:50:002
15922993731,3cyclictest33-21ksoftirqd/209:05:012
15922993731,3cyclictest33-21ksoftirqd/208:55:192
15922993730,4cyclictest33-21ksoftirqd/209:21:282
1592299372,2cyclictest121rcu_preempt10:20:002
1592299372,2cyclictest121rcu_preempt10:20:002
1592299371,4cyclictest33-21ksoftirqd/210:05:292
1592299370,9cyclictest33-21ksoftirqd/208:40:002
15921993731,4cyclictest25-21ksoftirqd/112:24:101
15921993731,4cyclictest25-21ksoftirqd/109:10:521
15920993732,3cyclictest9-21ksoftirqd/012:20:000
15920993732,3cyclictest9-21ksoftirqd/012:20:000
15920993732,3cyclictest9-21ksoftirqd/011:19:590
15920993732,3cyclictest9-21ksoftirqd/010:15:000
15923993631,3cyclictest41-21ksoftirqd/312:30:013
15923993631,3cyclictest41-21ksoftirqd/308:50:003
15923993630,4cyclictest41-21ksoftirqd/311:58:563
15923993630,3cyclictest41-21ksoftirqd/308:15:213
15923993629,3cyclictest41-21ksoftirqd/309:55:013
15923993622,4cyclictest41-21ksoftirqd/309:30:213
15923993622,3cyclictest41-21ksoftirqd/310:15:313
15923993622,3cyclictest41-21ksoftirqd/310:15:313
15923993622,3cyclictest41-21ksoftirqd/309:15:163
15923993621,4cyclictest41-21ksoftirqd/310:30:003
15923993621,3cyclictest41-21ksoftirqd/308:30:143
1592399361,3cyclictest121rcu_preempt08:50:253
1592299365,3cyclictest121rcu_preempt08:45:282
15922993632,3cyclictest33-21ksoftirqd/209:15:002
15922993630,3cyclictest33-21ksoftirqd/209:35:172
15922993630,3cyclictest33-21ksoftirqd/209:05:222
15922993629,4cyclictest33-21ksoftirqd/210:55:082
15922993629,4cyclictest33-21ksoftirqd/209:25:132
1592299361,8cyclictest33-21ksoftirqd/210:35:262
15921993631,3cyclictest25-21ksoftirqd/107:23:381
15921993630,4cyclictest25-21ksoftirqd/110:26:191
15920993631,3cyclictest9-21ksoftirqd/009:50:000
15920993631,3cyclictest11039-21sh08:15:000
15920993630,3cyclictest9915-21cron11:35:010
15923993530,3cyclictest41-21ksoftirqd/311:50:283
15923993530,3cyclictest41-21ksoftirqd/311:15:003
15923993530,3cyclictest41-21ksoftirqd/308:03:013
15923993529,4cyclictest41-21ksoftirqd/309:04:283
15923993529,3cyclictest41-21ksoftirqd/311:00:253
15923993522,3cyclictest41-21ksoftirqd/312:20:163
15923993521,3cyclictest41-21ksoftirqd/311:30:273
15923993520,4cyclictest41-21ksoftirqd/310:10:283
15923993518,6cyclictest41-21ksoftirqd/309:25:183
1592399351,3cyclictest121rcu_preempt12:10:133
1592299357,3cyclictest121rcu_preempt08:10:152
1592299356,9cyclictest33-21ksoftirqd/208:15:282
1592299356,3cyclictest121rcu_preempt12:35:242
1592299355,3cyclictest121rcu_preempt10:45:252
1592299353,3cyclictest33-21ksoftirqd/211:30:162
15922993531,2cyclictest33-21ksoftirqd/209:35:022
15922993530,3cyclictest33-21ksoftirqd/210:30:182
15922993529,4cyclictest33-21ksoftirqd/210:50:472
15922993520,4cyclictest33-21ksoftirqd/208:30:002
1592299351,5cyclictest33-21ksoftirqd/209:45:002
1592299350,5cyclictest33-21ksoftirqd/211:45:142
1592299350,10cyclictest33-21ksoftirqd/210:00:192
15921993530,3cyclictest25-21ksoftirqd/112:33:351
15921993529,4cyclictest25-21ksoftirqd/112:39:021
15921993529,4cyclictest25-21ksoftirqd/111:31:021
15921993529,3cyclictest25-21ksoftirqd/108:17:581
15920993531,3cyclictest9-21ksoftirqd/010:20:000
15920993531,3cyclictest9-21ksoftirqd/010:20:000
15920993530,3cyclictest9-21ksoftirqd/009:55:140
15920993529,4cyclictest9-21ksoftirqd/011:08:180
15920993529,4cyclictest9-21ksoftirqd/008:42:550
15923993429,3cyclictest41-21ksoftirqd/311:05:123
15923993429,3cyclictest41-21ksoftirqd/310:45:243
15923993429,3cyclictest41-21ksoftirqd/310:35:303
15923993429,3cyclictest41-21ksoftirqd/309:05:173
15923993429,3cyclictest41-21ksoftirqd/308:25:003
15923993420,4cyclictest41-21ksoftirqd/312:00:143
15923993420,4cyclictest41-21ksoftirqd/311:20:223
15923993420,3cyclictest41-21ksoftirqd/312:35:253
15923993420,3cyclictest41-21ksoftirqd/310:44:303
15923993418,7cyclictest41-21ksoftirqd/311:30:013
1592399341,3cyclictest121rcu_preempt07:45:153
1592399340,3cyclictest121rcu_preempt09:10:233
1592299345,4cyclictest121rcu_preempt08:05:142
15922993431,2cyclictest33-21ksoftirqd/211:10:002
15922993430,3cyclictest33-21ksoftirqd/211:43:102
15922993429,3cyclictest33-21ksoftirqd/208:00:192
1592299341,7cyclictest33-21ksoftirqd/211:20:112
1592299341,3cyclictest33-21ksoftirqd/211:10:182
1592299341,3cyclictest33-21ksoftirqd/210:40:202
15921993429,3cyclictest25-21ksoftirqd/111:49:381
15921993428,4cyclictest25-21ksoftirqd/109:58:101
15921993428,4cyclictest25-21ksoftirqd/109:53:491
15921993428,4cyclictest25-21ksoftirqd/109:35:321
15921993428,4cyclictest25-21ksoftirqd/108:07:551
15921993428,4cyclictest25-21ksoftirqd/107:49:201
15920993430,2cyclictest9-21ksoftirqd/011:20:180
15920993429,3cyclictest9-21ksoftirqd/008:25:000
15920993428,4cyclictest9-21ksoftirqd/012:26:450
15920993428,4cyclictest9-21ksoftirqd/011:04:050
15920993428,4cyclictest9-21ksoftirqd/010:59:230
15920993428,4cyclictest9-21ksoftirqd/009:12:520
15920993428,4cyclictest9-21ksoftirqd/007:35:510
1592399333,3cyclictest41-21ksoftirqd/311:45:143
15923993329,3cyclictest41-21ksoftirqd/311:15:173
15923993328,3cyclictest41-21ksoftirqd/309:35:143
15923993327,3cyclictest41-21ksoftirqd/310:05:003
15923993319,3cyclictest41-21ksoftirqd/309:20:133
15923993319,3cyclictest41-21ksoftirqd/307:40:013
15923993318,4cyclictest41-21ksoftirqd/310:20:203
15923993318,3cyclictest41-21ksoftirqd/308:35:273
1592399331,3cyclictest41-21ksoftirqd/308:40:283
15922993328,3cyclictest33-21ksoftirqd/208:24:162
15922993327,4cyclictest33-21ksoftirqd/211:55:142
15921993328,3cyclictest25-21ksoftirqd/111:55:001
15921993327,4cyclictest25-21ksoftirqd/111:41:251
15921993327,4cyclictest25-21ksoftirqd/110:06:291
15921993327,4cyclictest25-21ksoftirqd/109:31:061
15921993327,4cyclictest25-21ksoftirqd/108:50:541
15921993327,4cyclictest25-21ksoftirqd/108:49:421
15921993327,4cyclictest25-21ksoftirqd/108:41:361
15921993327,3cyclictest223-21systemd-journal12:14:591
15921993326,5cyclictest25-21ksoftirqd/110:11:341
15920993329,2cyclictest9-21ksoftirqd/007:18:390
15920993327,4cyclictest9-21ksoftirqd/012:10:410
15920993327,4cyclictest9-21ksoftirqd/010:23:450
59298320,2rtkit-daemon0-21swapper/007:50:000
15923993228,3cyclictest41-21ksoftirqd/310:06:323
15923993228,3cyclictest41-21ksoftirqd/308:05:143
15923993227,3cyclictest41-21ksoftirqd/307:50:263
15921993227,3cyclictest25-21ksoftirqd/112:09:111
15921993227,3cyclictest25-21ksoftirqd/111:55:561
15921993227,3cyclictest25-21ksoftirqd/108:31:341
15921993227,3cyclictest25-21ksoftirqd/108:00:471
15921993226,4cyclictest25-21ksoftirqd/111:22:031
15921993226,4cyclictest25-21ksoftirqd/110:22:211
15921993225,4cyclictest25-21ksoftirqd/109:46:281
15920993227,3cyclictest9-21ksoftirqd/010:29:140
15920993227,3cyclictest9-21ksoftirqd/008:55:140
15920993226,4cyclictest9-21ksoftirqd/010:46:440
15920993226,4cyclictest9-21ksoftirqd/010:05:390
15920993226,4cyclictest9-21ksoftirqd/008:16:440
15920993226,4cyclictest9-21ksoftirqd/008:01:350
15920993225,5cyclictest9-21ksoftirqd/009:03:090
15923993117,3cyclictest41-21ksoftirqd/310:30:123
15922993124,3cyclictest33-21ksoftirqd/210:30:012
15921993126,3cyclictest25-21ksoftirqd/111:16:531
15921993126,3cyclictest25-21ksoftirqd/111:11:481
15921993125,4cyclictest25-21ksoftirqd/108:57:251
15921993125,4cyclictest25-21ksoftirqd/108:21:341
15920993126,3cyclictest9-21ksoftirqd/012:36:080
15920993126,3cyclictest9-21ksoftirqd/012:33:190
15920993126,3cyclictest9-21ksoftirqd/012:00:090
15920993126,3cyclictest9-21ksoftirqd/011:26:350
15920993126,3cyclictest9-21ksoftirqd/011:15:000
15920993126,3cyclictest9-21ksoftirqd/009:52:240
15920993126,3cyclictest9-21ksoftirqd/008:32:280
15920993125,4cyclictest9-21ksoftirqd/012:05:110
15920993125,4cyclictest9-21ksoftirqd/009:38:430
15920993125,4cyclictest9-21ksoftirqd/009:15:130
15920993125,4cyclictest9-21ksoftirqd/008:50:570
15920993125,4cyclictest9-21ksoftirqd/007:50:520
15920993125,3cyclictest9-21ksoftirqd/008:05:140
15921993024,4cyclictest25-21ksoftirqd/112:26:061
15921993023,5cyclictest25-21ksoftirqd/108:28:091
15920993026,3cyclictest9-21ksoftirqd/012:20:170
15920993026,2cyclictest9-21ksoftirqd/009:20:230
15920993025,3cyclictest9-21ksoftirqd/011:45:470
15920993025,3cyclictest9-21ksoftirqd/010:40:120
15920993025,3cyclictest9-21ksoftirqd/010:34:000
15920993025,3cyclictest9-21ksoftirqd/008:29:130
15920993024,4cyclictest9-21ksoftirqd/007:41:450
15921992924,3cyclictest25-21ksoftirqd/112:15:131
15921992924,3cyclictest25-21ksoftirqd/112:15:131
15921992924,3cyclictest25-21ksoftirqd/111:02:241
15921992924,3cyclictest25-21ksoftirqd/109:19:461
15921992924,3cyclictest25-21ksoftirqd/109:04:071
15921992924,3cyclictest25-21ksoftirqd/108:13:021
15921992923,4cyclictest25-21ksoftirqd/111:37:361
15921992923,4cyclictest25-21ksoftirqd/110:52:061
15921992923,4cyclictest25-21ksoftirqd/109:06:591
15921992923,4cyclictest25-21ksoftirqd/107:57:341
15920992925,3cyclictest9-21ksoftirqd/007:55:190
15920992924,3cyclictest9-21ksoftirqd/010:40:000
15920992923,4cyclictest9-21ksoftirqd/008:36:250
59298280,2rtkit-daemon0-21swapper/110:36:061
15921992823,3cyclictest25-21ksoftirqd/110:45:281
15921992823,3cyclictest25-21ksoftirqd/110:18:321
15921992823,3cyclictest25-21ksoftirqd/110:18:321
15921992823,3cyclictest25-21ksoftirqd/110:01:581
15921992823,3cyclictest25-21ksoftirqd/109:25:001
15921992822,4cyclictest25-21ksoftirqd/110:44:081
15920992823,3cyclictest23325-21latency_hist10:55:010
15920992822,4cyclictest9-21ksoftirqd/011:36:510
15920992822,4cyclictest9-21ksoftirqd/009:31:090
15921992722,3cyclictest25-21ksoftirqd/107:51:081
15921992721,4cyclictest25-21ksoftirqd/110:34:451
15921992720,5cyclictest25-21ksoftirqd/110:55:031
15920992722,3cyclictest9-21ksoftirqd/008:45:190
15921992621,3cyclictest25-21ksoftirqd/111:27:591
15921992621,3cyclictest25-21ksoftirqd/109:28:351
15921992621,3cyclictest25-21ksoftirqd/107:43:321
15920992621,3cyclictest9-21ksoftirqd/011:50:230
15920992620,4cyclictest9-21ksoftirqd/009:44:130
15921992519,4cyclictest25-21ksoftirqd/107:35:491
15920992520,3cyclictest9-21ksoftirqd/011:59:200
15920992520,3cyclictest9-21ksoftirqd/011:40:210
15920992519,4cyclictest9-21ksoftirqd/009:06:340
59298240,2rtkit-daemon0-21swapper/107:17:031
15920992419,3cyclictest9-21ksoftirqd/010:00:200
15920992217,3cyclictest9-21ksoftirqd/009:25:030
15921992015,3cyclictest25-21ksoftirqd/111:06:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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