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2026-03-10 - 05:53
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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 rackdslot4.osadl.org (updated Tue Mar 10, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591208140,23phc2sys0-21swapper/319:06:583
237682203170,21sleep10-21swapper/119:09:041
235372203170,22sleep20-21swapper/219:06:122
237992201167,22sleep00-21swapper/019:09:280
1094221220,2sleep22413499cyclictest19:45:272
2384128562,15sleep10-21swapper/119:10:001
138491570,1ptp4l401ktimersoftd/322:41:103
24135995629,3cyclictest41-21ksoftirqd/322:25:243
138491560,1ptp4l401ktimersoftd/319:55:173
113352540,1sleep30-21swapper/320:55:003
24135995233,10cyclictest41-21ksoftirqd/322:30:243
247442510,2sleep00-21swapper/022:25:190
24134994931,3cyclictest33-21ksoftirqd/223:10:322
24135994817,4cyclictest41-21ksoftirqd/300:05:003
24135994812,9cyclictest41-21ksoftirqd/320:05:183
24135994716,7cyclictest41-21ksoftirqd/300:30:253
107242470,2sleep00-21swapper/021:55:260
2413599452,2cyclictest121rcu_preempt00:25:003
2413599447,8cyclictest41-21ksoftirqd/319:50:003
24135994431,10cyclictest41-21ksoftirqd/321:15:253
2413599441,5cyclictest41-21ksoftirqd/322:24:053
2413599441,5cyclictest41-21ksoftirqd/300:05:063
24135994414,4cyclictest41-21ksoftirqd/321:25:113
2413499440,2cyclictest0-21swapper/223:35:332
138491440,0ptp4l401ktimersoftd/323:04:183
2413599431,4cyclictest41-21ksoftirqd/319:17:513
24135994314,3cyclictest41-21ksoftirqd/322:35:233
24135994313,4cyclictest41-21ksoftirqd/322:55:243
2413599430,5cyclictest41-21ksoftirqd/323:34:333
138491430,0ptp4l401ktimersoftd/319:28:143
24135994237,2cyclictest41-21ksoftirqd/320:40:003
24135994235,4cyclictest41-21ksoftirqd/323:40:003
24135994230,9cyclictest41-21ksoftirqd/323:25:123
24135994226,9cyclictest41-21ksoftirqd/321:55:243
24133994237,3cyclictest25-21ksoftirqd/100:20:001
2413599412,3cyclictest41-21ksoftirqd/321:24:513
2413599411,5cyclictest41-21ksoftirqd/322:48:523
24135994112,6cyclictest41-21ksoftirqd/321:35:233
24135994112,4cyclictest41-21ksoftirqd/320:45:233
2413599410,5cyclictest41-21ksoftirqd/320:28:113
24132994128,4cyclictest9-21ksoftirqd/000:20:010
24135994034,3cyclictest41-21ksoftirqd/320:10:133
24135994030,9cyclictest41-21ksoftirqd/323:05:163
2413599402,10cyclictest41-21ksoftirqd/323:45:223
2413599401,4cyclictest41-21ksoftirqd/322:19:073
24135994014,7cyclictest41-21ksoftirqd/323:55:003
2413599400,5cyclictest41-21ksoftirqd/323:18:373
2413299408,6cyclictest9-21ksoftirqd/020:00:250
2413299408,6cyclictest9-21ksoftirqd/020:00:250
24132994035,2cyclictest9-21ksoftirqd/022:20:010
2413599398,7cyclictest41-21ksoftirqd/319:25:003
2413599397,4cyclictest41-21ksoftirqd/322:10:233
24135993932,4cyclictest41-21ksoftirqd/320:18:383
24135993932,4cyclictest1256-21cron20:35:003
24135993919,8cyclictest41-21ksoftirqd/321:45:203
2413599391,5cyclictest41-21ksoftirqd/300:17:503
24135993913,3cyclictest41-21ksoftirqd/322:05:213
24135993911,6cyclictest41-21ksoftirqd/319:30:243
2413599390,5cyclictest41-21ksoftirqd/300:14:093
2413299398,4cyclictest9-21ksoftirqd/021:15:200
24132993924,5cyclictest9-21ksoftirqd/023:30:180
2413599389,7cyclictest41-21ksoftirqd/323:20:123
2413599381,5cyclictest41-21ksoftirqd/323:41:033
24132993834,3cyclictest9-21ksoftirqd/019:55:190
24132993833,3cyclictest9-21ksoftirqd/021:45:020
24132993833,3cyclictest9-21ksoftirqd/019:20:000
2413599376,4cyclictest41-21ksoftirqd/320:00:163
2413599376,4cyclictest41-21ksoftirqd/320:00:163
2413599375,3cyclictest41-21ksoftirqd/321:05:233
24135993733,2cyclictest41-21ksoftirqd/320:25:013
24135993731,3cyclictest41-21ksoftirqd/321:10:283
24135993730,4cyclictest41-21ksoftirqd/319:38:143
2413599372,3cyclictest41-21ksoftirqd/319:40:163
24134993731,4cyclictest33-21ksoftirqd/219:39:172
2413299378,4cyclictest9-21ksoftirqd/023:00:180
2413299376,3cyclictest9-21ksoftirqd/021:05:130
24132993733,2cyclictest9-21ksoftirqd/021:30:000
24132993732,2cyclictest9-21ksoftirqd/020:35:000
24132993731,3cyclictest9-21ksoftirqd/023:35:190
24132993731,3cyclictest9-21ksoftirqd/000:00:140
2413599369,7cyclictest41-21ksoftirqd/321:45:013
2413599366,4cyclictest41-21ksoftirqd/300:37:263
2413599366,3cyclictest41-21ksoftirqd/323:57:393
2413599361,5cyclictest41-21ksoftirqd/320:59:363
2413599360,5cyclictest41-21ksoftirqd/321:31:333
24134993631,3cyclictest18852-21cron00:25:012
24134993629,5cyclictest33-21ksoftirqd/200:31:262
24134993629,4cyclictest33-21ksoftirqd/220:06:212
24133993631,3cyclictest1303-21runrttasks23:14:211
24133993630,4cyclictest25-21ksoftirqd/123:38:371
24133993630,4cyclictest25-21ksoftirqd/121:07:251
2413299364,3cyclictest121rcu_preempt00:30:220
2413299363,5cyclictest9-21ksoftirqd/023:15:210
24132993632,2cyclictest9-21ksoftirqd/023:00:000
24132993631,2cyclictest9-21ksoftirqd/019:44:590
24132993630,3cyclictest9-21ksoftirqd/023:40:280
2413299362,6cyclictest9-21ksoftirqd/020:55:240
50798350,2rtkit-daemon0-21swapper/121:47:311
24135993531,2cyclictest41-21ksoftirqd/323:10:283
24135993531,2cyclictest41-21ksoftirqd/322:50:193
24135993529,3cyclictest41-21ksoftirqd/300:25:113
24135993523,3cyclictest41-21ksoftirqd/319:10:263
24134993530,3cyclictest33-21ksoftirqd/221:20:142
24134993529,4cyclictest33-21ksoftirqd/220:36:092
24134993528,4cyclictest33-21ksoftirqd/220:59:002
24133993530,3cyclictest25-21ksoftirqd/120:10:001
24133993529,4cyclictest25-21ksoftirqd/123:15:511
24133993529,4cyclictest25-21ksoftirqd/100:30:561
24133993529,3cyclictest25-21ksoftirqd/122:49:181
24133993528,4cyclictest25-21ksoftirqd/122:32:261
2413299356,2cyclictest9-21ksoftirqd/020:05:190
2413299355,3cyclictest9-21ksoftirqd/020:20:190
2413299355,2cyclictest9-21ksoftirqd/020:10:270
2413299354,6cyclictest121rcu_preempt00:20:010
24132993531,2cyclictest9-21ksoftirqd/023:45:140
24132993531,2cyclictest9-21ksoftirqd/022:05:140
24132993530,3cyclictest9-21ksoftirqd/021:10:220
24132993530,3cyclictest9-21ksoftirqd/000:39:180
24132993530,2cyclictest9-21ksoftirqd/021:00:160
24132993530,2cyclictest9-21ksoftirqd/020:40:000
24132993529,3cyclictest9-21ksoftirqd/000:15:000
24132993528,4cyclictest9-21ksoftirqd/019:35:100
2413299352,2cyclictest9-21ksoftirqd/020:50:200
24132993521,7cyclictest9-21ksoftirqd/019:47:060
2413299351,4cyclictest9-21ksoftirqd/019:25:190
50798340,2rtkit-daemon0-21swapper/122:20:171
24135993430,2cyclictest41-21ksoftirqd/322:00:223
24135993428,3cyclictest41-21ksoftirqd/321:50:163
24134993429,3cyclictest33-21ksoftirqd/222:33:182
24134993429,3cyclictest33-21ksoftirqd/222:21:522
24134993429,3cyclictest33-21ksoftirqd/219:15:122
24134993428,4cyclictest33-21ksoftirqd/223:53:152
24134993428,4cyclictest33-21ksoftirqd/223:40:432
24134993428,4cyclictest33-21ksoftirqd/223:20:092
24134993428,4cyclictest33-21ksoftirqd/222:03:232
24134993428,4cyclictest33-21ksoftirqd/221:34:022
24134993428,4cyclictest33-21ksoftirqd/220:19:002
24134993428,4cyclictest33-21ksoftirqd/219:51:332
24134993428,4cyclictest33-21ksoftirqd/200:26:122
24134993427,4cyclictest33-21ksoftirqd/223:05:332
24134993427,4cyclictest33-21ksoftirqd/220:01:362
24134993427,4cyclictest33-21ksoftirqd/220:01:352
24133993430,3cyclictest25-21ksoftirqd/122:00:001
24133993429,3cyclictest25-21ksoftirqd/122:40:141
24133993428,4cyclictest25-21ksoftirqd/123:41:021
24133993428,4cyclictest25-21ksoftirqd/120:00:461
24133993428,4cyclictest25-21ksoftirqd/120:00:461
24133993428,4cyclictest25-21ksoftirqd/119:46:141
24133993428,4cyclictest25-21ksoftirqd/100:21:051
24133993427,4cyclictest25-21ksoftirqd/122:03:141
2413399342,3cyclictest121rcu_preempt21:34:041
2413299344,2cyclictest9-21ksoftirqd/019:20:150
2413299343,3cyclictest9-21ksoftirqd/023:10:230
2413299343,3cyclictest121rcu_preempt22:40:240
2413299343,3cyclictest121rcu_preempt22:20:130
24132993430,3cyclictest9-21ksoftirqd/021:25:000
24132993430,2cyclictest9-21ksoftirqd/000:25:180
24132993429,3cyclictest9-21ksoftirqd/022:50:010
24132993429,2cyclictest9-21ksoftirqd/023:50:180
24132993428,4cyclictest9-21ksoftirqd/021:54:380
2413299342,3cyclictest9-21ksoftirqd/019:50:180
2413299342,2cyclictest9-21ksoftirqd/021:30:230
2413299341,3cyclictest121rcu_preempt23:25:160
2413599334,6cyclictest41-21ksoftirqd/321:00:243
24135993327,3cyclictest41-21ksoftirqd/320:40:163
24134993328,3cyclictest33-21ksoftirqd/219:33:192
24134993328,3cyclictest33-21ksoftirqd/219:22:032
24134993328,3cyclictest3307-21sshd21:42:232
24134993327,4cyclictest33-21ksoftirqd/222:47:152
24134993327,4cyclictest33-21ksoftirqd/221:46:382
24134993327,4cyclictest33-21ksoftirqd/221:27:442
24134993327,4cyclictest33-21ksoftirqd/220:28:432
24134993327,4cyclictest33-21ksoftirqd/219:42:262
24134993327,3cyclictest33-21ksoftirqd/222:27:122
24134993327,3cyclictest11237-21grep20:55:002
24134993326,4cyclictest33-21ksoftirqd/222:50:302
24133993328,3cyclictest25-21ksoftirqd/122:13:411
24133993328,3cyclictest25-21ksoftirqd/121:35:111
24133993328,3cyclictest25-21ksoftirqd/120:25:121
24133993328,3cyclictest25-21ksoftirqd/100:25:111
24133993327,4cyclictest25-21ksoftirqd/123:32:071
24133993327,4cyclictest25-21ksoftirqd/121:52:471
24133993327,4cyclictest25-21ksoftirqd/120:55:541
24133993327,4cyclictest25-21ksoftirqd/120:16:471
24133993327,4cyclictest25-21ksoftirqd/119:59:101
24133993326,5cyclictest25-21ksoftirqd/121:15:001
2413299333,6cyclictest9-21ksoftirqd/021:35:150
24132993329,2cyclictest9-21ksoftirqd/020:15:170
24132993328,3cyclictest9-21ksoftirqd/019:14:300
24132993328,2cyclictest9-21ksoftirqd/019:30:120
2413299332,3cyclictest121rcu_preempt23:05:140
2413299332,2cyclictest121rcu_preempt22:10:140
24132993319,7cyclictest9-21ksoftirqd/022:02:330
2413299331,5cyclictest9-21ksoftirqd/023:20:160
2413299330,3cyclictest121rcu_preempt20:45:200
24135993226,4cyclictest41-21ksoftirqd/319:50:093
24134993226,4cyclictest33-21ksoftirqd/223:27:032
24134993226,4cyclictest33-21ksoftirqd/223:03:322
24134993226,4cyclictest33-21ksoftirqd/221:38:242
24134993226,4cyclictest33-21ksoftirqd/220:20:452
24134993226,4cyclictest33-21ksoftirqd/219:11:142
24134993226,3cyclictest33-21ksoftirqd/200:08:472
24133993227,3cyclictest25-21ksoftirqd/119:39:241
24133993226,4cyclictest25-21ksoftirqd/122:38:481
24133993226,4cyclictest25-21ksoftirqd/122:18:341
24133993226,4cyclictest25-21ksoftirqd/119:27:361
24132993228,2cyclictest9-21ksoftirqd/020:25:140
2413299321,3cyclictest9-21ksoftirqd/023:55:140
2413299321,3cyclictest121rcu_preempt00:05:190
2413299321,2cyclictest121rcu_preempt22:50:280
24134993126,3cyclictest33-21ksoftirqd/223:15:532
24134993126,3cyclictest33-21ksoftirqd/219:28:252
24134993126,3cyclictest33-21ksoftirqd/200:35:112
24134993125,4cyclictest33-21ksoftirqd/222:19:552
24134993125,4cyclictest33-21ksoftirqd/221:16:192
24134993125,4cyclictest33-21ksoftirqd/220:43:122
24134993125,4cyclictest33-21ksoftirqd/220:31:122
24134993125,4cyclictest33-21ksoftirqd/220:14:072
24133993126,3cyclictest25-21ksoftirqd/121:18:281
24133993126,3cyclictest25-21ksoftirqd/120:53:201
24133993126,3cyclictest25-21ksoftirqd/100:10:391
24133993126,3cyclictest25-21ksoftirqd/100:06:001
24133993125,4cyclictest25-21ksoftirqd/123:02:381
24133993125,4cyclictest25-21ksoftirqd/121:27:271
24133993125,4cyclictest25-21ksoftirqd/120:46:551
24132993126,3cyclictest9-21ksoftirqd/021:45:230
2413299311,3cyclictest121rcu_preempt22:35:150
2413299311,2cyclictest121rcu_preempt22:30:220
24134993025,3cyclictest33-21ksoftirqd/221:11:592
24134993025,3cyclictest33-21ksoftirqd/221:05:002
24134993024,4cyclictest33-21ksoftirqd/222:39:572
24134993024,4cyclictest33-21ksoftirqd/221:09:112
24134993024,4cyclictest33-21ksoftirqd/219:55:062
24133993024,4cyclictest25-21ksoftirqd/123:48:191
24133993024,4cyclictest25-21ksoftirqd/123:28:181
24133993024,4cyclictest25-21ksoftirqd/122:58:181
24133993024,4cyclictest25-21ksoftirqd/121:01:201
24133993024,4cyclictest25-21ksoftirqd/119:24:561
2413299301,2cyclictest121rcu_preempt20:40:230
24134992924,3cyclictest33-21ksoftirqd/200:20:002
24134992923,4cyclictest420-21rs:main2
24134992923,4cyclictest33-21ksoftirqd/221:57:372
24134992923,4cyclictest33-21ksoftirqd/220:46:052
24133992924,3cyclictest25-21ksoftirqd/122:52:361
24133992924,3cyclictest25-21ksoftirqd/120:20:251
24133992924,3cyclictest25-21ksoftirqd/100:40:001
24133992924,3cyclictest25-21ksoftirqd/100:03:521
24133992923,4cyclictest25-21ksoftirqd/123:52:001
24133992922,4cyclictest25-21ksoftirqd/123:21:561
24134992822,4cyclictest33-21ksoftirqd/223:57:402
24134992822,4cyclictest33-21ksoftirqd/222:43:142
24134992821,5cyclictest33-21ksoftirqd/200:13:042
24133992823,3cyclictest25-21ksoftirqd/123:58:271
24133992823,3cyclictest25-21ksoftirqd/122:05:291
24133992823,3cyclictest25-21ksoftirqd/120:15:001
24133992822,4cyclictest25-21ksoftirqd/121:41:231
24133992821,4cyclictest25-21ksoftirqd/121:24:501
24134992721,4cyclictest33-21ksoftirqd/223:49:582
24134992721,4cyclictest33-21ksoftirqd/223:32:252
24134992721,4cyclictest33-21ksoftirqd/222:58:312
24133992722,3cyclictest25-21ksoftirqd/120:30:101
24133992721,4cyclictest25-21ksoftirqd/120:39:211
24134992520,3cyclictest33-21ksoftirqd/200:02:292
24133992522,2cyclictest25-21ksoftirqd/119:30:191
24133992520,3cyclictest25-21ksoftirqd/123:06:311
24133992520,3cyclictest25-21ksoftirqd/119:16:491
24133992519,4cyclictest25-21ksoftirqd/119:52:481
2413499244,10cyclictest0-21swapper/221:50:202
24133992419,3cyclictest25-21ksoftirqd/120:41:351
24133992418,4cyclictest25-21ksoftirqd/119:42:261
24133992318,3cyclictest25-21ksoftirqd/122:28:571
24134992217,3cyclictest33-21ksoftirqd/222:07:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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