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2025-12-09 - 08:54
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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 all highest latencies:
System rackdslot2.osadl.org (updated Tue Dec 09, 2025 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66432235169,23sleep10-21swapper/119:06:351
136691211172,28phc2sys0-21swapper/319:07:423
66862204170,23sleep20-21swapper/219:07:042
47862201168,22sleep00-21swapper/019:05:090
1708521700,8sleep2735899cyclictest19:30:142
58422650,2sleep00-21swapper/023:35:160
31402590,3sleep30-21swapper/300:35:253
31402590,3sleep30-21swapper/300:35:253
7358995722,4cyclictest33-21ksoftirqd/220:15:002
7358995720,9cyclictest33-21ksoftirqd/223:50:012
7358995619,4cyclictest33-21ksoftirqd/200:05:282
7358995618,8cyclictest33-21ksoftirqd/219:25:162
281702560,2sleep20-21swapper/221:00:012
7358995524,8cyclictest33-21ksoftirqd/220:45:002
7358995524,8cyclictest33-21ksoftirqd/220:45:002
7358995521,3cyclictest33-21ksoftirqd/221:35:222
7358995423,9cyclictest33-21ksoftirqd/222:15:002
7358995423,9cyclictest33-21ksoftirqd/222:15:002
7358995421,4cyclictest33-21ksoftirqd/200:35:182
7358995421,4cyclictest33-21ksoftirqd/200:35:172
7358995420,3cyclictest33-21ksoftirqd/220:35:172
7358995323,9cyclictest33-21ksoftirqd/220:15:212
7358995322,9cyclictest33-21ksoftirqd/200:00:222
7358995316,4cyclictest33-21ksoftirqd/223:35:122
735899530,20cyclictest26892-21kworker/2:222:25:252
7358995224,9cyclictest33-21ksoftirqd/222:45:262
7358995224,8cyclictest33-21ksoftirqd/200:25:182
7358995222,9cyclictest33-21ksoftirqd/222:20:192
7358995218,4cyclictest33-21ksoftirqd/223:10:002
7358995218,4cyclictest33-21ksoftirqd/221:55:132
7358995218,3cyclictest33-21ksoftirqd/223:15:242
7358995217,4cyclictest33-21ksoftirqd/219:10:182
7358995118,4cyclictest33-21ksoftirqd/219:55:012
7358995117,7cyclictest33-21ksoftirqd/222:15:342
7358995117,4cyclictest33-21ksoftirqd/221:00:292
7358995116,10cyclictest33-21ksoftirqd/220:25:162
7359995019,15cyclictest41-21ksoftirqd/300:25:013
7359995018,4cyclictest41-21ksoftirqd/321:30:253
7358995024,8cyclictest33-21ksoftirqd/221:50:202
7358995021,8cyclictest33-21ksoftirqd/220:05:282
7358995020,7cyclictest33-21ksoftirqd/219:25:022
7358995020,10cyclictest33-21ksoftirqd/223:05:232
7358995015,9cyclictest33-21ksoftirqd/223:30:222
7359994918,4cyclictest41-21ksoftirqd/322:45:133
7358994921,8cyclictest33-21ksoftirqd/221:05:152
7358994916,6cyclictest33-21ksoftirqd/222:40:172
7358994916,6cyclictest33-21ksoftirqd/222:40:172
7358994915,10cyclictest33-21ksoftirqd/219:35:242
7358994822,3cyclictest33-21ksoftirqd/221:20:002
7358994814,9cyclictest33-21ksoftirqd/220:20:172
7358994814,8cyclictest33-21ksoftirqd/223:40:232
7358994814,8cyclictest33-21ksoftirqd/223:40:232
7358994814,4cyclictest33-21ksoftirqd/222:55:242
735899474,6cyclictest33-21ksoftirqd/200:30:252
7358994719,8cyclictest33-21ksoftirqd/223:25:232
7358994718,5cyclictest33-21ksoftirqd/221:47:132
7358994715,9cyclictest33-21ksoftirqd/200:20:152
7358994713,4cyclictest33-21ksoftirqd/219:15:182
7359994620,4cyclictest41-21ksoftirqd/321:15:233
735899466,3cyclictest33-21ksoftirqd/221:10:282
735899466,3cyclictest33-21ksoftirqd/221:10:282
7359994517,4cyclictest41-21ksoftirqd/321:00:163
7359994512,4cyclictest41-21ksoftirqd/300:30:163
735899453,6cyclictest33-21ksoftirqd/220:50:182
735899453,4cyclictest33-21ksoftirqd/223:50:242
7358994526,11cyclictest33-21ksoftirqd/221:30:002
7358994518,8cyclictest33-21ksoftirqd/220:30:242
7358994517,9cyclictest33-21ksoftirqd/200:15:202
7358994511,10cyclictest33-21ksoftirqd/223:55:272
735899450,6cyclictest24120-21idleruntime-cro19:45:002
735999447,7cyclictest41-21ksoftirqd/320:05:283
7359994417,4cyclictest41-21ksoftirqd/300:10:173
7359994415,4cyclictest41-21ksoftirqd/322:20:013
7359994415,4cyclictest41-21ksoftirqd/300:05:133
7359994414,4cyclictest41-21ksoftirqd/323:20:283
735899447,2cyclictest33-21ksoftirqd/220:00:252
735899442,8cyclictest33-21ksoftirqd/223:20:202
7358994413,9cyclictest33-21ksoftirqd/221:20:172
7358994413,10cyclictest33-21ksoftirqd/221:30:182
735999436,8cyclictest41-21ksoftirqd/320:15:163
735899439,9cyclictest33-21ksoftirqd/222:30:222
735899433,9cyclictest33-21ksoftirqd/220:50:002
7359994231,3cyclictest41-21ksoftirqd/322:20:163
7359994214,4cyclictest41-21ksoftirqd/322:55:413
7359994211,4cyclictest41-21ksoftirqd/321:15:003
7359994211,4cyclictest41-21ksoftirqd/321:15:003
7359994211,4cyclictest41-21ksoftirqd/319:50:143
7359994210,7cyclictest41-21ksoftirqd/300:00:153
735899425,7cyclictest33-21ksoftirqd/219:50:132
735899425,3cyclictest33-21ksoftirqd/221:40:152
735899425,3cyclictest33-21ksoftirqd/221:40:152
735899422,4cyclictest33-21ksoftirqd/200:10:182
735899421,8cyclictest33-21ksoftirqd/222:05:232
7358994215,4cyclictest33-21ksoftirqd/222:50:592
136591420,0ptp4l401ktimersoftd/320:50:293
735999419,4cyclictest41-21ksoftirqd/319:45:183
735999413,2cyclictest121rcu_preempt19:25:243
735999411,3cyclictest121rcu_preempt20:40:163
735999411,3cyclictest121rcu_preempt20:40:163
7359994110,4cyclictest41-21ksoftirqd/320:30:013
735899414,8cyclictest33-21ksoftirqd/219:45:242
735899414,10cyclictest33-21ksoftirqd/223:00:142
735899413,2cyclictest121rcu_preempt22:00:272
735999409,4cyclictest41-21ksoftirqd/322:00:003
735999403,2cyclictest121rcu_preempt22:05:003
7359994021,3cyclictest41-21ksoftirqd/320:20:243
7359994010,4cyclictest41-21ksoftirqd/322:40:203
7359994010,4cyclictest41-21ksoftirqd/322:40:203
136591400,0ptp4l401ktimersoftd/323:34:593
735999399,3cyclictest41-21ksoftirqd/322:25:253
735999398,7cyclictest41-21ksoftirqd/320:45:153
735999397,7cyclictest41-21ksoftirqd/323:00:233
735999396,4cyclictest41-21ksoftirqd/323:50:013
735999392,5cyclictest121rcu_preempt23:35:153
7359993925,3cyclictest41-21ksoftirqd/323:10:143
735999392,2cyclictest121rcu_preempt22:05:133
7359993910,4cyclictest41-21ksoftirqd/320:00:183
735999390,3cyclictest121rcu_preempt23:25:263
735999390,3cyclictest121rcu_preempt20:55:193
735899392,2cyclictest121rcu_preempt22:35:162
51698390,4rtkit-daemon26535-21sort19:50:000
735999389,4cyclictest41-21ksoftirqd/321:25:173
735999388,4cyclictest41-21ksoftirqd/323:40:223
735999388,4cyclictest41-21ksoftirqd/323:40:223
735999388,4cyclictest41-21ksoftirqd/321:05:263
735999387,3cyclictest41-21ksoftirqd/319:15:273
735999386,3cyclictest41-21ksoftirqd/323:05:193
735999385,7cyclictest41-21ksoftirqd/300:15:213
735999385,5cyclictest41-21ksoftirqd/321:35:163
735999385,2cyclictest41-21ksoftirqd/323:15:303
7359993829,2cyclictest41-21ksoftirqd/322:40:003
735999382,2cyclictest121rcu_preempt19:10:213
7359993821,4cyclictest41-21ksoftirqd/319:45:013
735999381,2cyclictest121rcu_preempt20:35:103
7359993812,3cyclictest41-21ksoftirqd/321:40:143
7359993812,3cyclictest41-21ksoftirqd/321:40:143
7359993810,3cyclictest41-21ksoftirqd/320:30:263
735799381,35cyclictest23017-21cron23:05:001
735999374,2cyclictest121rcu_preempt22:50:243
7359993725,3cyclictest41-21ksoftirqd/322:10:253
7359993725,3cyclictest41-21ksoftirqd/322:10:253
735999370,3cyclictest121rcu_preempt20:15:003
735999364,3cyclictest41-21ksoftirqd/322:35:003
7359993626,3cyclictest41-21ksoftirqd/323:50:253
735999360,3cyclictest121rcu_preempt21:45:153
51698360,5rtkit-daemon22136-21ps23:00:230
735999351,3cyclictest121rcu_preempt00:27:263
735999351,2cyclictest121rcu_preempt19:37:033
735999351,2cyclictest121rcu_preempt19:20:263
7356993528,4cyclictest9-21ksoftirqd/020:14:580
7359993424,3cyclictest41-21ksoftirqd/321:20:293
735799344,4cyclictest25-21ksoftirqd/100:20:001
7357993429,3cyclictest25-21ksoftirqd/120:20:001
7357993428,4cyclictest25-21ksoftirqd/121:33:421
735799341,3cyclictest121rcu_preempt00:30:211
7356993428,4cyclictest9-21ksoftirqd/023:20:400
7356993428,4cyclictest9-21ksoftirqd/022:25:110
7356993427,4cyclictest9-21ksoftirqd/020:28:590
51698340,2rtkit-daemon0-21swapper/120:08:261
136591340,0ptp4l401ktimersoftd/319:30:153
735999331,2cyclictest121rcu_preempt23:57:033
735999331,2cyclictest0-21swapper/319:55:133
7357993328,3cyclictest25-21ksoftirqd/122:30:341
7357993327,4cyclictest25-21ksoftirqd/123:21:011
7357993327,4cyclictest25-21ksoftirqd/123:09:341
7357993327,4cyclictest25-21ksoftirqd/122:40:331
7357993327,4cyclictest25-21ksoftirqd/122:40:331
7357993327,4cyclictest25-21ksoftirqd/121:29:531
7357993327,4cyclictest25-21ksoftirqd/120:39:541
7356993327,4cyclictest9-21ksoftirqd/022:12:480
7356993327,4cyclictest9-21ksoftirqd/022:12:480
7356993327,4cyclictest9-21ksoftirqd/019:27:050
51698330,2rtkit-daemon0-21swapper/021:00:300
51698330,1rtkit-daemon0-21swapper/022:02:180
735799323,3cyclictest121rcu_preempt21:05:001
7357993228,3cyclictest25-21ksoftirqd/122:05:191
7357993226,4cyclictest25-21ksoftirqd/123:58:161
7357993226,4cyclictest25-21ksoftirqd/123:12:151
7357993226,4cyclictest25-21ksoftirqd/119:42:461
7357993225,5cyclictest25-21ksoftirqd/120:34:561
7356993227,3cyclictest9-21ksoftirqd/023:17:270
7356993227,3cyclictest9-21ksoftirqd/000:17:410
7356993226,4cyclictest9-21ksoftirqd/021:14:270
7356993226,4cyclictest9-21ksoftirqd/021:14:270
7356993226,4cyclictest9-21ksoftirqd/020:16:260
136591320,9ptp4l0-21swapper/321:51:063
7357993127,3cyclictest25-21ksoftirqd/121:05:151
7357993127,3cyclictest25-21ksoftirqd/100:30:001
7357993127,3cyclictest25-21ksoftirqd/100:25:001
7357993126,3cyclictest25-21ksoftirqd/100:00:121
7357993125,4cyclictest25-21ksoftirqd/122:53:481
7357993125,4cyclictest25-21ksoftirqd/122:18:551
7357993125,4cyclictest25-21ksoftirqd/121:19:301
7357993125,4cyclictest25-21ksoftirqd/121:12:401
7357993125,4cyclictest25-21ksoftirqd/121:12:401
7357993125,4cyclictest25-21ksoftirqd/119:54:461
7356993127,3cyclictest9-21ksoftirqd/020:47:060
7356993126,3cyclictest9-21ksoftirqd/021:17:280
7356993126,3cyclictest9-21ksoftirqd/000:06:220
7356993125,4cyclictest9-21ksoftirqd/021:56:150
7357993026,3cyclictest25-21ksoftirqd/121:50:191
7357993025,3cyclictest25-21ksoftirqd/122:55:221
7357993024,4cyclictest25-21ksoftirqd/123:34:321
7357993024,4cyclictest25-21ksoftirqd/123:17:441
7357993024,4cyclictest25-21ksoftirqd/122:13:131
7357993024,4cyclictest25-21ksoftirqd/122:13:131
7357993024,4cyclictest25-21ksoftirqd/120:43:511
7357993024,4cyclictest25-21ksoftirqd/120:43:511
7357993024,4cyclictest25-21ksoftirqd/119:45:111
7357993024,4cyclictest25-21ksoftirqd/119:36:351
7357993024,4cyclictest25-21ksoftirqd/100:07:351
7356993025,3cyclictest9-21ksoftirqd/020:08:530
7356993024,4cyclictest9-21ksoftirqd/023:53:570
7356993024,4cyclictest9-21ksoftirqd/023:49:080
7356993024,4cyclictest9-21ksoftirqd/022:35:030
7356993024,4cyclictest9-21ksoftirqd/021:53:220
7356993024,4cyclictest9-21ksoftirqd/021:44:280
7356993024,4cyclictest9-21ksoftirqd/021:44:280
7356993024,4cyclictest9-21ksoftirqd/021:07:090
7356993024,4cyclictest9-21ksoftirqd/019:43:400
735799296,5cyclictest25-21ksoftirqd/121:45:201
7357992925,3cyclictest25-21ksoftirqd/123:39:591
7357992925,3cyclictest25-21ksoftirqd/121:35:211
7357992924,3cyclictest25-21ksoftirqd/121:45:001
7357992924,3cyclictest25-21ksoftirqd/121:45:001
7357992924,3cyclictest25-21ksoftirqd/120:50:141
7357992924,3cyclictest25-21ksoftirqd/100:37:431
7357992924,3cyclictest25-21ksoftirqd/100:37:431
7357992923,4cyclictest25-21ksoftirqd/121:55:521
7357992923,4cyclictest25-21ksoftirqd/120:55:521
7357992923,4cyclictest25-21ksoftirqd/119:32:501
7356992924,3cyclictest9-21ksoftirqd/000:39:270
7356992924,3cyclictest9-21ksoftirqd/000:39:270
7356992923,4cyclictest9-21ksoftirqd/023:12:010
7356992923,4cyclictest9-21ksoftirqd/022:24:160
7356992923,4cyclictest9-21ksoftirqd/021:33:150
7356992923,4cyclictest9-21ksoftirqd/020:41:330
7356992923,4cyclictest9-21ksoftirqd/020:41:330
7356992923,4cyclictest9-21ksoftirqd/000:26:030
7357992824,3cyclictest25-21ksoftirqd/122:45:191
7357992824,3cyclictest25-21ksoftirqd/120:45:201
7357992823,3cyclictest25-21ksoftirqd/119:55:391
7357992823,3cyclictest25-21ksoftirqd/100:10:211
7357992822,4cyclictest25-21ksoftirqd/123:50:581
7357992822,4cyclictest25-21ksoftirqd/123:26:351
7357992822,4cyclictest25-21ksoftirqd/121:20:421
7357992822,4cyclictest25-21ksoftirqd/120:03:471
7357992822,4cyclictest25-21ksoftirqd/119:27:091
7357992814,4cyclictest25-21ksoftirqd/119:20:191
735799280,4cyclictest10969-21cut23:45:191
7356992823,3cyclictest9-21ksoftirqd/020:32:200
7356992822,4cyclictest9-21ksoftirqd/022:59:260
7356992822,4cyclictest9-21ksoftirqd/022:48:350
7356992822,4cyclictest9-21ksoftirqd/020:03:140
7356992822,4cyclictest9-21ksoftirqd/019:58:530
7357992723,3cyclictest25-21ksoftirqd/122:35:161
7357992723,3cyclictest25-21ksoftirqd/119:15:211
7357992722,3cyclictest25-21ksoftirqd/123:40:121
7357992722,3cyclictest25-21ksoftirqd/123:40:111
7356992722,3cyclictest9-21ksoftirqd/021:35:530
7356992722,3cyclictest9-21ksoftirqd/019:51:020
7356992722,3cyclictest9-21ksoftirqd/019:33:450
7356992721,4cyclictest9-21ksoftirqd/022:44:290
7356992721,4cyclictest9-21ksoftirqd/022:44:290
7356992721,4cyclictest9-21ksoftirqd/022:19:340
7356992721,4cyclictest9-21ksoftirqd/021:21:090
7356992721,4cyclictest9-21ksoftirqd/020:24:490
7356992721,4cyclictest9-21ksoftirqd/000:04:130
7357992621,3cyclictest25-21ksoftirqd/122:25:151
7357992620,3cyclictest25-21ksoftirqd/120:26:321
7356992621,3cyclictest9-21ksoftirqd/000:32:530
7356992621,3cyclictest9-21ksoftirqd/000:20:460
7356992620,4cyclictest9-21ksoftirqd/023:57:550
7356992620,4cyclictest9-21ksoftirqd/020:38:080
7356992620,4cyclictest9-21ksoftirqd/019:19:220
51698260,2rtkit-daemon0-21swapper/119:12:351
7357992521,3cyclictest25-21ksoftirqd/122:20:131
7357992521,3cyclictest25-21ksoftirqd/122:00:251
7356992520,3cyclictest9-21ksoftirqd/023:44:470
7356992520,3cyclictest9-21ksoftirqd/023:44:470
7356992520,3cyclictest9-21ksoftirqd/022:52:520
7356992520,3cyclictest9-21ksoftirqd/022:09:590
7356992519,4cyclictest9-21ksoftirqd/021:46:160
7356992519,4cyclictest9-21ksoftirqd/019:22:350
7357992418,4cyclictest25-21ksoftirqd/120:13:381
7356992420,3cyclictest9-21ksoftirqd/022:31:270
7356992419,3cyclictest9-21ksoftirqd/021:26:150
7356992419,3cyclictest9-21ksoftirqd/019:35:020
7356992419,3cyclictest9-21ksoftirqd/000:11:540
735799230,3cyclictest121rcu_preempt20:25:011
7356992217,3cyclictest9-21ksoftirqd/020:56:550
7356992216,4cyclictest9-21ksoftirqd/019:10:510
51698220,2rtkit-daemon0-21swapper/023:34:430
7356991812,4cyclictest9-21ksoftirqd/023:25:090
7356991712,3cyclictest25210-21sed20:50:270
7356991711,4cyclictest25215-21seq23:07:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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